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+ buildConfigurations = ( + 291B5673248D5AB800A49B48 /* Debug */, + 291B5674248D5AB800A49B48 /* Release */, + ); + defaultConfigurationIsVisible = 0; + defaultConfigurationName = Release; + }; + 291B5675248D5AB800A49B48 /* Build configuration list for PBXNativeTarget "GitIssues" */ = { + isa = XCConfigurationList; + buildConfigurations = ( + 291B5676248D5AB800A49B48 /* Debug */, + 291B5677248D5AB800A49B48 /* Release */, + ); + defaultConfigurationIsVisible = 0; + defaultConfigurationName = Release; + }; +/* End XCConfigurationList section */ + }; + rootObject = 291B5659248D5AB500A49B48 /* Project object */; +} diff --git a/GitIssues.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/GitIssues.xcodeproj/project.xcworkspace/contents.xcworkspacedata new file mode 100644 index 0000000..07161cc --- /dev/null +++ b/GitIssues.xcodeproj/project.xcworkspace/contents.xcworkspacedata @@ -0,0 +1,7 @@ + + + + + diff --git a/GitIssues.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/GitIssues.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist new file mode 100644 index 0000000..18d9810 --- /dev/null +++ b/GitIssues.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist @@ -0,0 +1,8 @@ + + + + + IDEDidComputeMac32BitWarning + + + diff --git a/GitIssues.xcodeproj/project.xcworkspace/xcuserdata/brenner.xcuserdatad/UserInterfaceState.xcuserstate b/GitIssues.xcodeproj/project.xcworkspace/xcuserdata/brenner.xcuserdatad/UserInterfaceState.xcuserstate new file mode 100644 index 0000000..9d9dcab Binary files /dev/null and b/GitIssues.xcodeproj/project.xcworkspace/xcuserdata/brenner.xcuserdatad/UserInterfaceState.xcuserstate differ diff --git a/GitIssues.xcodeproj/xcuserdata/brenner.xcuserdatad/xcschemes/xcschememanagement.plist b/GitIssues.xcodeproj/xcuserdata/brenner.xcuserdatad/xcschemes/xcschememanagement.plist new file mode 100644 index 0000000..6095e2d --- /dev/null +++ b/GitIssues.xcodeproj/xcuserdata/brenner.xcuserdatad/xcschemes/xcschememanagement.plist @@ -0,0 +1,14 @@ + + + + + SchemeUserState + + GitIssues.xcscheme_^#shared#^_ + + orderHint + 3 + + + + diff --git a/GitIssues.xcworkspace/contents.xcworkspacedata b/GitIssues.xcworkspace/contents.xcworkspacedata new file mode 100644 index 0000000..9a5b0e4 --- /dev/null +++ b/GitIssues.xcworkspace/contents.xcworkspacedata @@ -0,0 +1,10 @@ + + + + + + + diff --git a/GitIssues.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/GitIssues.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist new file mode 100644 index 0000000..18d9810 --- /dev/null +++ b/GitIssues.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist @@ -0,0 +1,8 @@ + + + + + IDEDidComputeMac32BitWarning + + + diff --git a/GitIssues.xcworkspace/xcuserdata/brenner.xcuserdatad/UserInterfaceState.xcuserstate b/GitIssues.xcworkspace/xcuserdata/brenner.xcuserdatad/UserInterfaceState.xcuserstate new file mode 100644 index 0000000..64e1c38 Binary files /dev/null and b/GitIssues.xcworkspace/xcuserdata/brenner.xcuserdatad/UserInterfaceState.xcuserstate differ diff --git a/GitIssues/.DS_Store b/GitIssues/.DS_Store new file mode 100644 index 0000000..0bdd4d5 Binary files /dev/null and b/GitIssues/.DS_Store differ diff --git a/GitIssues/AppDelegate.swift b/GitIssues/AppDelegate.swift new file mode 100644 index 0000000..182578b --- /dev/null +++ b/GitIssues/AppDelegate.swift @@ -0,0 +1,37 @@ +// +// AppDelegate.swift +// GitIssues +// +// Created by Brenner on 07/06/20. +// Copyright © 2020 Brenner. All rights reserved. +// + +import UIKit + +@UIApplicationMain +class AppDelegate: UIResponder, UIApplicationDelegate { + + + + func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool { + // Override point for customization after application launch. + return true + } + + // MARK: UISceneSession Lifecycle + + func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration { + // Called when a new scene session is being created. + // Use this method to select a configuration to create the new scene with. + return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role) + } + + func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set) { + // Called when the user discards a scene session. + // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions. + // Use this method to release any resources that were specific to the discarded scenes, as they will not return. + } + + +} + diff --git a/GitIssues/Assets.xcassets/AppIcon.appiconset/Contents.json b/GitIssues/Assets.xcassets/AppIcon.appiconset/Contents.json new file mode 100644 index 0000000..9221b9b --- /dev/null +++ b/GitIssues/Assets.xcassets/AppIcon.appiconset/Contents.json @@ -0,0 +1,98 @@ +{ + "images" : [ + { + "idiom" : "iphone", + "scale" : "2x", + "size" : "20x20" + }, + { + "idiom" : "iphone", + "scale" : "3x", + "size" : "20x20" + }, + { + "idiom" : "iphone", + "scale" : "2x", + "size" : "29x29" + }, + { + "idiom" : "iphone", + "scale" : "3x", + "size" : "29x29" + }, + { + "idiom" : "iphone", + "scale" : "2x", + "size" : "40x40" + }, + { + "idiom" : "iphone", + "scale" : "3x", + "size" : "40x40" + }, + { + "idiom" : "iphone", + "scale" : "2x", + "size" : "60x60" + }, + { + "idiom" : "iphone", + "scale" : "3x", + "size" : "60x60" + }, + { + "idiom" : "ipad", + "scale" : "1x", + "size" : "20x20" + }, + { + "idiom" : "ipad", + "scale" : "2x", + "size" : "20x20" + }, + { + "idiom" : "ipad", + "scale" : "1x", + "size" : "29x29" + }, + { + "idiom" : "ipad", + "scale" : "2x", + "size" : "29x29" + }, + { + "idiom" : "ipad", + "scale" : "1x", + "size" : "40x40" + }, + { + "idiom" : "ipad", + "scale" : "2x", + "size" : "40x40" + }, + { + "idiom" : "ipad", + "scale" : "1x", + "size" : "76x76" + }, + { + "idiom" : "ipad", + "scale" : "2x", + "size" : "76x76" + }, + { + "idiom" : "ipad", + "scale" : "2x", + "size" : "83.5x83.5" + }, + { + "idiom" : "ios-marketing", + "scale" : "1x", + "size" : "1024x1024" + } + ], + "info" : { + "author" : "xcode", + "version" : 1 + } +} diff --git a/GitIssues/Assets.xcassets/Contents.json b/GitIssues/Assets.xcassets/Contents.json new file mode 100644 index 0000000..73c0059 --- /dev/null +++ b/GitIssues/Assets.xcassets/Contents.json @@ -0,0 +1,6 @@ +{ + "info" : { + "author" : "xcode", + "version" : 1 + } +} diff --git a/GitIssues/Assets.xcassets/gitHub - logo.imageset/Contents.json b/GitIssues/Assets.xcassets/gitHub - logo.imageset/Contents.json new file mode 100644 index 0000000..897cbe0 --- /dev/null +++ b/GitIssues/Assets.xcassets/gitHub - logo.imageset/Contents.json @@ -0,0 +1,21 @@ +{ + "images" : [ + { + "filename" : "b15eedbdafbbdbca3249e3942f4faf3b.png", + "idiom" : "universal", + "scale" : "1x" + }, + { + "idiom" : "universal", + "scale" : "2x" + }, + { + "idiom" : "universal", + "scale" : "3x" + } + ], + "info" : { + "author" : "xcode", + "version" : 1 + } +} diff --git a/GitIssues/Assets.xcassets/gitHub - logo.imageset/b15eedbdafbbdbca3249e3942f4faf3b.png b/GitIssues/Assets.xcassets/gitHub - logo.imageset/b15eedbdafbbdbca3249e3942f4faf3b.png new file mode 100644 index 0000000..4378e1f Binary files /dev/null and b/GitIssues/Assets.xcassets/gitHub - logo.imageset/b15eedbdafbbdbca3249e3942f4faf3b.png differ diff --git a/GitIssues/Assets.xcassets/github-issues.imageset/Contents.json b/GitIssues/Assets.xcassets/github-issues.imageset/Contents.json new file mode 100644 index 0000000..1beac39 --- /dev/null +++ b/GitIssues/Assets.xcassets/github-issues.imageset/Contents.json @@ -0,0 +1,21 @@ +{ + "images" : [ + { + "filename" : "github-issues.jpeg", + "idiom" : "universal", + "scale" : "1x" + }, + { + "idiom" : "universal", + "scale" : "2x" + }, + { + "idiom" : "universal", + "scale" : "3x" + } + ], + "info" : { + "author" : "xcode", + "version" : 1 + } +} diff --git a/GitIssues/Assets.xcassets/github-issues.imageset/github-issues.jpeg b/GitIssues/Assets.xcassets/github-issues.imageset/github-issues.jpeg new file mode 100644 index 0000000..14ca731 Binary files /dev/null and b/GitIssues/Assets.xcassets/github-issues.imageset/github-issues.jpeg differ diff --git a/GitIssues/Base.lproj/.DS_Store b/GitIssues/Base.lproj/.DS_Store new file mode 100644 index 0000000..9fdad6b Binary files /dev/null and b/GitIssues/Base.lproj/.DS_Store differ diff --git a/GitIssues/Base.lproj/GitIssuesDetailsViewController.swift b/GitIssues/Base.lproj/GitIssuesDetailsViewController.swift new file mode 100644 index 0000000..f099cc6 --- /dev/null +++ b/GitIssues/Base.lproj/GitIssuesDetailsViewController.swift @@ -0,0 +1,71 @@ +// +// GitIssuesDetailsViewController.swift +// Challenge_GitIssues +// +// Created by Brenner on 06/06/20. +// Copyright © 2020 Brenner. All rights reserved. +// + +import UIKit + + +class GitIssuesDetailsViewController: UIViewController { + + @IBOutlet weak var ivAvatar: UIImageView! + @IBOutlet weak var lbTitle: UILabel! + @IBOutlet weak var lbCreatedAt: UILabel! + @IBOutlet weak var lbBy: UILabel! + @IBOutlet weak var tvDescription: UITextView! + @IBOutlet weak var aiLoading: UIActivityIndicatorView! + + var userHtmlUrl: String! + var issueHtmlUrl: String! + var issue: Issue! + let alamofireServices = AlamofireServices() + + override func viewDidLoad() { + super.viewDidLoad() + renderDetails() + } + + + @IBAction func openOnNavigator(_ sender: Any) { + UIApplication.shared.open(URL(string: issue.htmlUrl)!, options: [:], completionHandler: nil) + } + + @IBAction func goAuthorProfile(_ sender: Any) { + UIApplication.shared.open(URL(string: issue.user.htmlUrl)!, options: [:], completionHandler: nil) + + } + + func formatDate(date: String) -> String { + let formatter = DateFormatter() + formatter.locale = Locale(identifier: "en_US_POSIX") // set locale to reliable US_POSIX + formatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ssZ" + let date = formatter.date(from: date)! + formatter.dateFormat = "dd/MM/yyyy" + formatter.locale = Locale(identifier: "pt-BR") // reset the locale + let dateString = formatter.string(from: date) + return dateString + } + + func loadAvatar(){ + aiLoading.startAnimating() + alamofireServices.loadAvatar(imageUrl: issue.user.avatarUrl) { (image) in + DispatchQueue.main.async { + self.ivAvatar.image = image + self.aiLoading.stopAnimating() + self.aiLoading.isHidden = true + } + } + } + private func renderDetails(){ + loadAvatar() + lbTitle.text = issue.title + tvDescription.text = issue.body + lbBy.text = "By " + issue.user.login + lbCreatedAt.text = "Created at: " + formatDate(date: issue.createdAt) + } + + +} diff --git a/GitIssues/Base.lproj/GitIssuesTableViewController.swift b/GitIssues/Base.lproj/GitIssuesTableViewController.swift new file mode 100644 index 0000000..4ed12b1 --- /dev/null +++ b/GitIssues/Base.lproj/GitIssuesTableViewController.swift @@ -0,0 +1,75 @@ +// +// GitIssuesTableViewController.swift +// Challenge_GitIssues +// +// Created by Brenner on 06/06/20. +// Copyright © 2020 Brenner. All rights reserved. +// + +import UIKit + + +class GitIssuesTableViewController: UITableViewController { + + let alamofireServices = AlamofireServices() + + var issues: [Issue] = [] + + let spinner = UIActivityIndicatorView(style: .medium) + + override func viewDidLoad() { + super.viewDidLoad() + } + override func viewWillAppear(_ animated: Bool) { + super.viewWillAppear(animated) + + self.spinner.startAnimating() + self.tableView.backgroundView = self.spinner + + alamofireServices.loadIssues(onSuccess: { (issues) in + self.issues = issues + DispatchQueue.main.async { + self.tableView.reloadData() + self.spinner.stopAnimating() + self.spinner.isHidden = true + } + }) { (error) in + let alert = UIAlertController(title: "Something happened :(", message: "Restart the application and try again!", preferredStyle: .alert) + let doneButton = UIAlertAction(title: "Ok!", style: .default, handler: nil) + alert.addAction(doneButton) + self.present(alert, animated: true, completion: nil) + } + } + + // MARK: - Table view data source + + override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int { + // #warning Incomplete implementation, return the number of rows + return issues.count + } + + + override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell { + let cell = tableView.dequeueReusableCell(withIdentifier: "reuseCell", for: indexPath) + + let issue = issues[indexPath.row] + cell.textLabel?.text = issue.title + if IssueStatus.closed.rawValue == issue.state{ + cell.detailTextLabel?.textColor = #colorLiteral(red: 1, green: 0, blue: 0, alpha: 1) + } else{ + cell.detailTextLabel?.textColor = #colorLiteral(red: 0.1960784346, green: 0.3411764801, blue: 0.1019607857, alpha: 1) + + } + cell.detailTextLabel?.text = issue.state.uppercased() + + return cell + } + override func prepare(for segue: UIStoryboardSegue, sender: Any?) { + if segue.identifier == "detailsPage" { + + let vc = segue.destination as! GitIssuesDetailsViewController + vc.issue = issues[tableView.indexPathForSelectedRow!.row] + + } + } +} diff --git a/GitIssues/Base.lproj/LaunchScreen.storyboard b/GitIssues/Base.lproj/LaunchScreen.storyboard new file mode 100644 index 0000000..7c0bcb2 --- /dev/null +++ b/GitIssues/Base.lproj/LaunchScreen.storyboard @@ -0,0 +1,40 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/GitIssues/Base.lproj/Main.storyboard b/GitIssues/Base.lproj/Main.storyboard new file mode 100644 index 0000000..a6c80c7 --- /dev/null +++ b/GitIssues/Base.lproj/Main.storyboard @@ -0,0 +1,237 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/GitIssues/Base.lproj/Models/.DS_Store b/GitIssues/Base.lproj/Models/.DS_Store new file mode 100644 index 0000000..91e9717 Binary files /dev/null and b/GitIssues/Base.lproj/Models/.DS_Store differ diff --git a/GitIssues/Base.lproj/Models/AlamofireServices.swift b/GitIssues/Base.lproj/Models/AlamofireServices.swift new file mode 100644 index 0000000..adda431 --- /dev/null +++ b/GitIssues/Base.lproj/Models/AlamofireServices.swift @@ -0,0 +1,49 @@ +// +// AlamofireServices.swift +// Challenge_GitIssues +// +// Created by Brenner on 06/06/20. +// Copyright © 2020 Brenner. All rights reserved. +// +import Foundation +import Alamofire +import AlamofireImage + + +class AlamofireServices: AlamofireServicesProtocol { + + func loadIssues(onSuccess: @escaping ([Issue]) -> Void, onError: @escaping (DataError) -> Void) { + + let basePath = "https://api.github.com/repos/apple/swift/issues" + + AF.request(basePath).responseJSON { (response) in + guard let urlResponse = response.response else { + onError(.noData) + return + } + if urlResponse.statusCode == 200 { + guard let data = response.data else { + onError(.responseStatusCode(code: urlResponse.statusCode)) + return + } + do { + let issuesData = try JSONDecoder().decode([Issue].self, from: data) + onSuccess(issuesData) + }catch{ + print(error.localizedDescription) + onError(.invalidJSON) + } + } + } + } + + func loadAvatar(imageUrl: String, onSuccess: @escaping (UIImage) -> Void){ + AF.request(imageUrl).responseImage { (response) in + if let data = response.data { + let image = UIImage(data: data)! + onSuccess(image) + } + } + } + +} diff --git a/GitIssues/Base.lproj/Models/AlamofireServicesProtocol.swift b/GitIssues/Base.lproj/Models/AlamofireServicesProtocol.swift new file mode 100644 index 0000000..e243c37 --- /dev/null +++ b/GitIssues/Base.lproj/Models/AlamofireServicesProtocol.swift @@ -0,0 +1,15 @@ +// +// AlamofireServicesProtocol.swift +// Challenge_GitIssues +// +// Created by Brenner on 06/06/20. +// Copyright © 2020 Brenner. All rights reserved. +// + +import Foundation +import UIKit + +protocol AlamofireServicesProtocol { + func loadIssues(onSuccess: @escaping ([Issue]) -> Void, onError: @escaping (DataError) -> Void) + func loadAvatar(imageUrl: String,onSuccess: @escaping (UIImage) -> Void) +} diff --git a/GitIssues/Base.lproj/Models/DataError.swift b/GitIssues/Base.lproj/Models/DataError.swift new file mode 100644 index 0000000..6f50f77 --- /dev/null +++ b/GitIssues/Base.lproj/Models/DataError.swift @@ -0,0 +1,16 @@ +// +// DataError.swift +// Challenge_GitIssues +// +// Created by Brenner on 06/06/20. +// Copyright © 2020 Brenner. All rights reserved. +// + +import Foundation +enum DataError { + case url + case noResponse + case noData + case responseStatusCode(code: Int) + case invalidJSON +} diff --git a/GitIssues/Base.lproj/Models/IssueData.swift b/GitIssues/Base.lproj/Models/IssueData.swift new file mode 100644 index 0000000..687f422 --- /dev/null +++ b/GitIssues/Base.lproj/Models/IssueData.swift @@ -0,0 +1,29 @@ +// +// IssueData.swift +// Challenge_GitIssues +// +// Created by Brenner on 06/06/20. +// Copyright © 2020 Brenner. All rights reserved. +// + +import Foundation + +struct Issue: Codable { + let htmlUrl: String + let title: String + let user: User + let state: String + let createdAt: String + let body: String + + enum CodingKeys: String, CodingKey { + case htmlUrl = "html_url" + case title + case user + case state + case createdAt = "created_at" + case body + } +} + + diff --git a/GitIssues/Base.lproj/Models/IssueStatus.swift b/GitIssues/Base.lproj/Models/IssueStatus.swift new file mode 100644 index 0000000..e328ec7 --- /dev/null +++ b/GitIssues/Base.lproj/Models/IssueStatus.swift @@ -0,0 +1,14 @@ +// +// IssueStatus.swift +// Challenge_GitIssues +// +// Created by Brenner on 06/06/20. +// Copyright © 2020 Brenner. All rights reserved. +// + +import Foundation + +enum IssueStatus: String { + case closed = "closed" + case open = "open" +} diff --git a/GitIssues/Base.lproj/Models/UserData.swift b/GitIssues/Base.lproj/Models/UserData.swift new file mode 100644 index 0000000..b907705 --- /dev/null +++ b/GitIssues/Base.lproj/Models/UserData.swift @@ -0,0 +1,22 @@ +// +// UserData.swift +// Challenge_GitIssues +// +// Created by Brenner on 06/06/20. +// Copyright © 2020 Brenner. All rights reserved. +// + +import Foundation + +struct User: Codable { + let login: String + let avatarUrl: String + let htmlUrl: String + + enum CodingKeys: String, CodingKey { + case login + case avatarUrl = "avatar_url" + case htmlUrl = "html_url" + } +} + diff --git a/GitIssues/Info.plist b/GitIssues/Info.plist new file mode 100644 index 0000000..385690d --- /dev/null +++ b/GitIssues/Info.plist @@ -0,0 +1,66 @@ + + + + + UIUserInterfaceStyle + Light + CFBundleDevelopmentRegion + $(DEVELOPMENT_LANGUAGE) + CFBundleExecutable + $(EXECUTABLE_NAME) + CFBundleIdentifier + $(PRODUCT_BUNDLE_IDENTIFIER) + CFBundleInfoDictionaryVersion + 6.0 + CFBundleName + $(PRODUCT_NAME) + CFBundlePackageType + $(PRODUCT_BUNDLE_PACKAGE_TYPE) + CFBundleShortVersionString + 1.0 + CFBundleVersion + 1 + LSRequiresIPhoneOS + + UIApplicationSceneManifest + + UIApplicationSupportsMultipleScenes + + UISceneConfigurations + + UIWindowSceneSessionRoleApplication + + + UISceneConfigurationName + Default Configuration + UISceneDelegateClassName + $(PRODUCT_MODULE_NAME).SceneDelegate + UISceneStoryboardFile + Main + + + + + UILaunchStoryboardName + LaunchScreen + UIMainStoryboardFile + Main + UIRequiredDeviceCapabilities + + armv7 + + UISupportedInterfaceOrientations + + UIInterfaceOrientationPortrait + UIInterfaceOrientationLandscapeLeft + UIInterfaceOrientationLandscapeRight + + UISupportedInterfaceOrientations~ipad + + UIInterfaceOrientationPortrait + UIInterfaceOrientationPortraitUpsideDown + UIInterfaceOrientationLandscapeLeft + UIInterfaceOrientationLandscapeRight + + + diff --git a/GitIssues/SceneDelegate.swift b/GitIssues/SceneDelegate.swift new file mode 100644 index 0000000..756a91b --- /dev/null +++ b/GitIssues/SceneDelegate.swift @@ -0,0 +1,53 @@ +// +// SceneDelegate.swift +// GitIssues +// +// Created by Brenner on 07/06/20. +// Copyright © 2020 Brenner. All rights reserved. +// + +import UIKit + +class SceneDelegate: UIResponder, UIWindowSceneDelegate { + + var window: UIWindow? + + + func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) { + // Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`. + // If using a storyboard, the `window` property will automatically be initialized and attached to the scene. + // This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead). + guard let _ = (scene as? UIWindowScene) else { return } + } + + func sceneDidDisconnect(_ scene: UIScene) { + // Called as the scene is being released by the system. + // This occurs shortly after the scene enters the background, or when its session is discarded. + // Release any resources associated with this scene that can be re-created the next time the scene connects. + // The scene may re-connect later, as its session was not neccessarily discarded (see `application:didDiscardSceneSessions` instead). + } + + func sceneDidBecomeActive(_ scene: UIScene) { + // Called when the scene has moved from an inactive state to an active state. + // Use this method to restart any tasks that were paused (or not yet started) when the scene was inactive. + } + + func sceneWillResignActive(_ scene: UIScene) { + // Called when the scene will move from an active state to an inactive state. + // This may occur due to temporary interruptions (ex. an incoming phone call). + } + + func sceneWillEnterForeground(_ scene: UIScene) { + // Called as the scene transitions from the background to the foreground. + // Use this method to undo the changes made on entering the background. + } + + func sceneDidEnterBackground(_ scene: UIScene) { + // Called as the scene transitions from the foreground to the background. + // Use this method to save data, release shared resources, and store enough scene-specific state information + // to restore the scene back to its current state. + } + + +} + diff --git a/Podfile b/Podfile new file mode 100644 index 0000000..8f2513c --- /dev/null +++ b/Podfile @@ -0,0 +1,13 @@ +# Uncomment the next line to define a global platform for your project +# platform :ios, '9.0' + +target 'GitIssues' do + # Comment the next line if you don't want to use dynamic frameworks + use_frameworks! + + # Pods for GitIssues + pod 'Alamofire', '~> 5.2' + pod 'AlamofireImage', '~> 4.1' + + +end diff --git a/Podfile.lock b/Podfile.lock new file mode 100644 index 0000000..a76c1d0 --- /dev/null +++ b/Podfile.lock @@ -0,0 +1,21 @@ +PODS: + - Alamofire (5.2.0) + - AlamofireImage (4.1.0): + - Alamofire (~> 5.1) + +DEPENDENCIES: + - Alamofire (~> 5.2) + - AlamofireImage (~> 4.1) + +SPEC REPOS: + trunk: + - Alamofire + - AlamofireImage + +SPEC CHECKSUMS: + Alamofire: c1ca147559e730bfb2182c8c7aafbdd90a867987 + AlamofireImage: c4a2ba349885fb3064feb74d2e547bd42ce9be10 + +PODFILE CHECKSUM: 400959b3ab582d7f2aa0726381241dbe16dcd78d + +COCOAPODS: 1.8.4 diff --git a/Pods/Alamofire/LICENSE b/Pods/Alamofire/LICENSE new file mode 100644 index 0000000..ccafad5 --- /dev/null +++ b/Pods/Alamofire/LICENSE @@ -0,0 +1,19 @@ +Copyright (c) 2014-2020 Alamofire Software Foundation (http://alamofire.org/) + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/Pods/Alamofire/README.md b/Pods/Alamofire/README.md new file mode 100644 index 0000000..449e7cc --- /dev/null +++ b/Pods/Alamofire/README.md @@ -0,0 +1,206 @@ +![Alamofire: Elegant Networking in Swift](https://raw.githubusercontent.com/Alamofire/Alamofire/master/alamofire.png) + +[![Build Status](https://github.com/Alamofire/Alamofire/workflows/Alamofire%20CI/badge.svg?branch=master)](https://github.com/Alamofire/Alamofire/actions) +[![CocoaPods Compatible](https://img.shields.io/cocoapods/v/Alamofire.svg)](https://img.shields.io/cocoapods/v/Alamofire.svg) +[![Carthage Compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage) +[![Platform](https://img.shields.io/cocoapods/p/Alamofire.svg?style=flat)](https://alamofire.github.io/Alamofire) +[![Twitter](https://img.shields.io/badge/twitter-@AlamofireSF-blue.svg?style=flat)](https://twitter.com/AlamofireSF) +[![Gitter](https://badges.gitter.im/Alamofire/Alamofire.svg)](https://gitter.im/Alamofire/Alamofire?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge) +[![Open Source Helpers](https://www.codetriage.com/alamofire/alamofire/badges/users.svg)](https://www.codetriage.com/alamofire/alamofire) + +Alamofire is an HTTP networking library written in Swift. + +- [Features](#features) +- [Component Libraries](#component-libraries) +- [Requirements](#requirements) +- [Migration Guides](#migration-guides) +- [Communication](#communication) +- [Installation](#installation) +- [Usage](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#using-alamofire) + - [**Introduction -**](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#introduction) [Making Requests](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#making-requests), [Response Handling](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#response-handling), [Response Validation](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#response-validation), [Response Caching](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#response-caching) + - **HTTP -** [HTTP Methods](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#http-methods), [Parameters and Parameter Encoder](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md##request-parameters-and-parameter-encoders), [HTTP Headers](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#http-headers), [Authentication](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#authentication) + - **Large Data -** [Downloading Data to a File](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#downloading-data-to-a-file), [Uploading Data to a Server](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#uploading-data-to-a-server) + - **Tools -** [Statistical Metrics](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#statistical-metrics), [cURL Command Output](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#curl-command-output) +- [Advanced Usage](https://github.com/Alamofire/Alamofire/blob/master/Documentation/AdvancedUsage.md) + - **URL Session -** [Session Manager](https://github.com/Alamofire/Alamofire/blob/master/Documentation/AdvancedUsage.md#session), [Session Delegate](https://github.com/Alamofire/Alamofire/blob/master/Documentation/AdvancedUsage.md#sessiondelegate), [Request](https://github.com/Alamofire/Alamofire/blob/master/Documentation/AdvancedUsage.md#request) + - **Routing -** [Routing Requests](https://github.com/Alamofire/Alamofire/blob/master/Documentation/AdvancedUsage.md#routing-requests), [Adapting and Retrying Requests](https://github.com/Alamofire/Alamofire/blob/master/Documentation/AdvancedUsage.md#adapting-and-retrying-requests-with-requestinterceptor) + - **Model Objects -** [Custom Response Serialization](https://github.com/Alamofire/Alamofire/blob/master/Documentation/AdvancedUsage.md#custom-response-serialization) + - **Connection -** [Security](https://github.com/Alamofire/Alamofire/blob/master/Documentation/AdvancedUsage.md#security), [Network Reachability](https://github.com/Alamofire/Alamofire/blob/master/Documentation/AdvancedUsage.md#network-reachability) +- [Open Radars](#open-radars) +- [FAQ](#faq) +- [Credits](#credits) +- [Donations](#donations) +- [License](#license) + +## Features + +- [x] Chainable Request / Response Methods +- [x] Combine Support +- [x] URL / JSON Parameter Encoding +- [x] Upload File / Data / Stream / MultipartFormData +- [x] Download File using Request or Resume Data +- [x] Authentication with `URLCredential` +- [x] HTTP Response Validation +- [x] Upload and Download Progress Closures with Progress +- [x] cURL Command Output +- [x] Dynamically Adapt and Retry Requests +- [x] TLS Certificate and Public Key Pinning +- [x] Network Reachability +- [x] Comprehensive Unit and Integration Test Coverage +- [x] [Complete Documentation](https://alamofire.github.io/Alamofire) + +## Component Libraries + +In order to keep Alamofire focused specifically on core networking implementations, additional component libraries have been created by the [Alamofire Software Foundation](https://github.com/Alamofire/Foundation) to bring additional functionality to the Alamofire ecosystem. + +- [AlamofireImage](https://github.com/Alamofire/AlamofireImage) - An image library including image response serializers, `UIImage` and `UIImageView` extensions, custom image filters, an auto-purging in-memory cache and a priority-based image downloading system. +- [AlamofireNetworkActivityIndicator](https://github.com/Alamofire/AlamofireNetworkActivityIndicator) - Controls the visibility of the network activity indicator on iOS using Alamofire. It contains configurable delay timers to help mitigate flicker and can support `URLSession` instances not managed by Alamofire. + +## Requirements + +- iOS 10.0+ / macOS 10.12+ / tvOS 10.0+ / watchOS 3.0+ +- Xcode 11+ +- Swift 5.1+ + +## Migration Guides + +- [Alamofire 5.0 Migration Guide](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Alamofire%205.0%20Migration%20Guide.md) +- [Alamofire 4.0 Migration Guide](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Alamofire%204.0%20Migration%20Guide.md) +- [Alamofire 3.0 Migration Guide](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Alamofire%203.0%20Migration%20Guide.md) +- [Alamofire 2.0 Migration Guide](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Alamofire%202.0%20Migration%20Guide.md) + +## Communication +- If you **need help with making network requests** using Alamofire, use [Stack Overflow](https://stackoverflow.com/questions/tagged/alamofire) and tag `alamofire`. +- If you need to **find or understand an API**, check [our documentation](http://alamofire.github.io/Alamofire/) or [Apple's documentation for `URLSession`](https://developer.apple.com/documentation/foundation/url_loading_system), on top of which Alamofire is built. +- If you need **help with an Alamofire feature**, use [our forum on swift.org](https://forums.swift.org/c/related-projects/alamofire). +- If you'd like to **discuss Alamofire best practices**, use [our forum on swift.org](https://forums.swift.org/c/related-projects/alamofire). +- If you'd like to **discuss a feature request**, use [our forum on swift.org](https://forums.swift.org/c/related-projects/alamofire). +- If you **found a bug**, open an issue here on GitHub and follow the guide. The more detail the better! +- If you **want to contribute**, submit a pull request! + +## Installation + +### CocoaPods + +[CocoaPods](https://cocoapods.org) is a dependency manager for Cocoa projects. For usage and installation instructions, visit their website. To integrate Alamofire into your Xcode project using CocoaPods, specify it in your `Podfile`: + +```ruby +pod 'Alamofire', '~> 5.2' +``` + +### Carthage + +[Carthage](https://github.com/Carthage/Carthage) is a decentralized dependency manager that builds your dependencies and provides you with binary frameworks. To integrate Alamofire into your Xcode project using Carthage, specify it in your `Cartfile`: + +```ogdl +github "Alamofire/Alamofire" ~> 5.2 +``` + +### Swift Package Manager + +The [Swift Package Manager](https://swift.org/package-manager/) is a tool for automating the distribution of Swift code and is integrated into the `swift` compiler. It is in early development, but Alamofire does support its use on supported platforms. + +Once you have your Swift package set up, adding Alamofire as a dependency is as easy as adding it to the `dependencies` value of your `Package.swift`. + +```swift +dependencies: [ + .package(url: "https://github.com/Alamofire/Alamofire.git", .upToNextMajor(from: "5.2.0")) +] +``` + +### Manually + +If you prefer not to use any of the aforementioned dependency managers, you can integrate Alamofire into your project manually. + +#### Embedded Framework + +- Open up Terminal, `cd` into your top-level project directory, and run the following command "if" your project is not initialized as a git repository: + + ```bash + $ git init + ``` + +- Add Alamofire as a git [submodule](https://git-scm.com/docs/git-submodule) by running the following command: + + ```bash + $ git submodule add https://github.com/Alamofire/Alamofire.git + ``` + +- Open the new `Alamofire` folder, and drag the `Alamofire.xcodeproj` into the Project Navigator of your application's Xcode project. + + > It should appear nested underneath your application's blue project icon. Whether it is above or below all the other Xcode groups does not matter. + +- Select the `Alamofire.xcodeproj` in the Project Navigator and verify the deployment target matches that of your application target. +- Next, select your application project in the Project Navigator (blue project icon) to navigate to the target configuration window and select the application target under the "Targets" heading in the sidebar. +- In the tab bar at the top of that window, open the "General" panel. +- Click on the `+` button under the "Embedded Binaries" section. +- You will see two different `Alamofire.xcodeproj` folders each with two different versions of the `Alamofire.framework` nested inside a `Products` folder. + + > It does not matter which `Products` folder you choose from, but it does matter whether you choose the top or bottom `Alamofire.framework`. + +- Select the top `Alamofire.framework` for iOS and the bottom one for macOS. + + > You can verify which one you selected by inspecting the build log for your project. The build target for `Alamofire` will be listed as either `Alamofire iOS`, `Alamofire macOS`, `Alamofire tvOS` or `Alamofire watchOS`. + +- And that's it! + + > The `Alamofire.framework` is automagically added as a target dependency, linked framework and embedded framework in a copy files build phase which is all you need to build on the simulator and a device. + +## Open Radars + +The following radars have some effect on the current implementation of Alamofire. + +- [`rdar://21349340`](http://www.openradar.me/radar?id=5517037090635776) - Compiler throwing warning due to toll-free bridging issue in test case +- `rdar://26870455` - Background URL Session Configurations do not work in the simulator +- `rdar://26849668` - Some URLProtocol APIs do not properly handle `URLRequest` +- `FB7624529` - `urlSession(_:task:didFinishCollecting:)` never called on watchOS + +## Resolved Radars + +The following radars have been resolved over time after being filed against the Alamofire project. + +- [`rdar://26761490`](http://www.openradar.me/radar?id=5010235949318144) - Swift string interpolation causing memory leak with common usage. + - (Resolved): 9/1/17 in Xcode 9 beta 6. +- [`rdar://36082113`](http://openradar.appspot.com/radar?id=4942308441063424) - `URLSessionTaskMetrics` failing to link on watchOS 3.0+ + - (Resolved): Just add `CFNetwork` to your linked frameworks. + +## Workarounds + +- Collection of `URLSessionTaskMetrics` is currently disabled on watchOS due to `FB7624529`. + +## FAQ + +### What's the origin of the name Alamofire? + +Alamofire is named after the [Alamo Fire flower](https://aggie-horticulture.tamu.edu/wildseed/alamofire.html), a hybrid variant of the Bluebonnet, the official state flower of Texas. + +## Credits + +Alamofire is owned and maintained by the [Alamofire Software Foundation](http://alamofire.org). You can follow them on Twitter at [@AlamofireSF](https://twitter.com/AlamofireSF) for project updates and releases. + +### Security Disclosure + +If you believe you have identified a security vulnerability with Alamofire, you should report it as soon as possible via email to security@alamofire.org. Please do not post it to a public issue tracker. + +## Donations + +The [ASF](https://github.com/Alamofire/Foundation#members) is looking to raise money to officially stay registered as a federal non-profit organization. +Registering will allow us members to gain some legal protections and also allow us to put donations to use, tax-free. +Donating to the ASF will enable us to: + +- Pay our yearly legal fees to keep the non-profit in good status +- Pay for our mail servers to help us stay on top of all questions and security issues +- Potentially fund test servers to make it easier for us to test the edge cases +- Potentially fund developers to work on one of our projects full-time + +The community adoption of the ASF libraries has been amazing. +We are greatly humbled by your enthusiasm around the projects and want to continue to do everything we can to move the needle forward. +With your continued support, the ASF will be able to improve its reach and also provide better legal safety for the core members. +If you use any of our libraries for work, see if your employers would be interested in donating. +Any amount you can donate today to help us reach our goal would be greatly appreciated. + +[![paypal](https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=W34WPEE74APJQ) + +## License + +Alamofire is released under the MIT license. [See LICENSE](https://github.com/Alamofire/Alamofire/blob/master/LICENSE) for details. diff --git a/Pods/Alamofire/Source/AFError.swift b/Pods/Alamofire/Source/AFError.swift new file mode 100644 index 0000000..59c8deb --- /dev/null +++ b/Pods/Alamofire/Source/AFError.swift @@ -0,0 +1,840 @@ +// +// AFError.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +/// `AFError` is the error type returned by Alamofire. It encompasses a few different types of errors, each with +/// their own associated reasons. +public enum AFError: Error { + /// The underlying reason the `.multipartEncodingFailed` error occurred. + public enum MultipartEncodingFailureReason { + /// The `fileURL` provided for reading an encodable body part isn't a file `URL`. + case bodyPartURLInvalid(url: URL) + /// The filename of the `fileURL` provided has either an empty `lastPathComponent` or `pathExtension. + case bodyPartFilenameInvalid(in: URL) + /// The file at the `fileURL` provided was not reachable. + case bodyPartFileNotReachable(at: URL) + /// Attempting to check the reachability of the `fileURL` provided threw an error. + case bodyPartFileNotReachableWithError(atURL: URL, error: Error) + /// The file at the `fileURL` provided is actually a directory. + case bodyPartFileIsDirectory(at: URL) + /// The size of the file at the `fileURL` provided was not returned by the system. + case bodyPartFileSizeNotAvailable(at: URL) + /// The attempt to find the size of the file at the `fileURL` provided threw an error. + case bodyPartFileSizeQueryFailedWithError(forURL: URL, error: Error) + /// An `InputStream` could not be created for the provided `fileURL`. + case bodyPartInputStreamCreationFailed(for: URL) + /// An `OutputStream` could not be created when attempting to write the encoded data to disk. + case outputStreamCreationFailed(for: URL) + /// The encoded body data could not be written to disk because a file already exists at the provided `fileURL`. + case outputStreamFileAlreadyExists(at: URL) + /// The `fileURL` provided for writing the encoded body data to disk is not a file `URL`. + case outputStreamURLInvalid(url: URL) + /// The attempt to write the encoded body data to disk failed with an underlying error. + case outputStreamWriteFailed(error: Error) + /// The attempt to read an encoded body part `InputStream` failed with underlying system error. + case inputStreamReadFailed(error: Error) + } + + /// The underlying reason the `.parameterEncodingFailed` error occurred. + public enum ParameterEncodingFailureReason { + /// The `URLRequest` did not have a `URL` to encode. + case missingURL + /// JSON serialization failed with an underlying system error during the encoding process. + case jsonEncodingFailed(error: Error) + /// Custom parameter encoding failed due to the associated `Error`. + case customEncodingFailed(error: Error) + } + + /// The underlying reason the `.parameterEncoderFailed` error occurred. + public enum ParameterEncoderFailureReason { + /// Possible missing components. + public enum RequiredComponent { + /// The `URL` was missing or unable to be extracted from the passed `URLRequest` or during encoding. + case url + /// The `HTTPMethod` could not be extracted from the passed `URLRequest`. + case httpMethod(rawValue: String) + } + + /// A `RequiredComponent` was missing during encoding. + case missingRequiredComponent(RequiredComponent) + /// The underlying encoder failed with the associated error. + case encoderFailed(error: Error) + } + + /// The underlying reason the `.responseValidationFailed` error occurred. + public enum ResponseValidationFailureReason { + /// The data file containing the server response did not exist. + case dataFileNil + /// The data file containing the server response at the associated `URL` could not be read. + case dataFileReadFailed(at: URL) + /// The response did not contain a `Content-Type` and the `acceptableContentTypes` provided did not contain a + /// wildcard type. + case missingContentType(acceptableContentTypes: [String]) + /// The response `Content-Type` did not match any type in the provided `acceptableContentTypes`. + case unacceptableContentType(acceptableContentTypes: [String], responseContentType: String) + /// The response status code was not acceptable. + case unacceptableStatusCode(code: Int) + /// Custom response validation failed due to the associated `Error`. + case customValidationFailed(error: Error) + } + + /// The underlying reason the response serialization error occurred. + public enum ResponseSerializationFailureReason { + /// The server response contained no data or the data was zero length. + case inputDataNilOrZeroLength + /// The file containing the server response did not exist. + case inputFileNil + /// The file containing the server response could not be read from the associated `URL`. + case inputFileReadFailed(at: URL) + /// String serialization failed using the provided `String.Encoding`. + case stringSerializationFailed(encoding: String.Encoding) + /// JSON serialization failed with an underlying system error. + case jsonSerializationFailed(error: Error) + /// A `DataDecoder` failed to decode the response due to the associated `Error`. + case decodingFailed(error: Error) + /// A custom response serializer failed due to the associated `Error`. + case customSerializationFailed(error: Error) + /// Generic serialization failed for an empty response that wasn't type `Empty` but instead the associated type. + case invalidEmptyResponse(type: String) + } + + /// Underlying reason a server trust evaluation error occurred. + public enum ServerTrustFailureReason { + /// The output of a server trust evaluation. + public struct Output { + /// The host for which the evaluation was performed. + public let host: String + /// The `SecTrust` value which was evaluated. + public let trust: SecTrust + /// The `OSStatus` of evaluation operation. + public let status: OSStatus + /// The result of the evaluation operation. + public let result: SecTrustResultType + + /// Creates an `Output` value from the provided values. + init(_ host: String, _ trust: SecTrust, _ status: OSStatus, _ result: SecTrustResultType) { + self.host = host + self.trust = trust + self.status = status + self.result = result + } + } + + /// No `ServerTrustEvaluator` was found for the associated host. + case noRequiredEvaluator(host: String) + /// No certificates were found with which to perform the trust evaluation. + case noCertificatesFound + /// No public keys were found with which to perform the trust evaluation. + case noPublicKeysFound + /// During evaluation, application of the associated `SecPolicy` failed. + case policyApplicationFailed(trust: SecTrust, policy: SecPolicy, status: OSStatus) + /// During evaluation, setting the associated anchor certificates failed. + case settingAnchorCertificatesFailed(status: OSStatus, certificates: [SecCertificate]) + /// During evaluation, creation of the revocation policy failed. + case revocationPolicyCreationFailed + /// `SecTrust` evaluation failed with the associated `Error`, if one was produced. + case trustEvaluationFailed(error: Error?) + /// Default evaluation failed with the associated `Output`. + case defaultEvaluationFailed(output: Output) + /// Host validation failed with the associated `Output`. + case hostValidationFailed(output: Output) + /// Revocation check failed with the associated `Output` and options. + case revocationCheckFailed(output: Output, options: RevocationTrustEvaluator.Options) + /// Certificate pinning failed. + case certificatePinningFailed(host: String, trust: SecTrust, pinnedCertificates: [SecCertificate], serverCertificates: [SecCertificate]) + /// Public key pinning failed. + case publicKeyPinningFailed(host: String, trust: SecTrust, pinnedKeys: [SecKey], serverKeys: [SecKey]) + /// Custom server trust evaluation failed due to the associated `Error`. + case customEvaluationFailed(error: Error) + } + + /// The underlying reason the `.urlRequestValidationFailed` + public enum URLRequestValidationFailureReason { + /// URLRequest with GET method had body data. + case bodyDataInGETRequest(Data) + } + + /// `UploadableConvertible` threw an error in `createUploadable()`. + case createUploadableFailed(error: Error) + /// `URLRequestConvertible` threw an error in `asURLRequest()`. + case createURLRequestFailed(error: Error) + /// `SessionDelegate` threw an error while attempting to move downloaded file to destination URL. + case downloadedFileMoveFailed(error: Error, source: URL, destination: URL) + /// `Request` was explicitly cancelled. + case explicitlyCancelled + /// `URLConvertible` type failed to create a valid `URL`. + case invalidURL(url: URLConvertible) + /// Multipart form encoding failed. + case multipartEncodingFailed(reason: MultipartEncodingFailureReason) + /// `ParameterEncoding` threw an error during the encoding process. + case parameterEncodingFailed(reason: ParameterEncodingFailureReason) + /// `ParameterEncoder` threw an error while running the encoder. + case parameterEncoderFailed(reason: ParameterEncoderFailureReason) + /// `RequestAdapter` threw an error during adaptation. + case requestAdaptationFailed(error: Error) + /// `RequestRetrier` threw an error during the request retry process. + case requestRetryFailed(retryError: Error, originalError: Error) + /// Response validation failed. + case responseValidationFailed(reason: ResponseValidationFailureReason) + /// Response serialization failed. + case responseSerializationFailed(reason: ResponseSerializationFailureReason) + /// `ServerTrustEvaluating` instance threw an error during trust evaluation. + case serverTrustEvaluationFailed(reason: ServerTrustFailureReason) + /// `Session` which issued the `Request` was deinitialized, most likely because its reference went out of scope. + case sessionDeinitialized + /// `Session` was explicitly invalidated, possibly with the `Error` produced by the underlying `URLSession`. + case sessionInvalidated(error: Error?) + /// `URLSessionTask` completed with error. + case sessionTaskFailed(error: Error) + /// `URLRequest` failed validation. + case urlRequestValidationFailed(reason: URLRequestValidationFailureReason) +} + +extension Error { + /// Returns the instance cast as an `AFError`. + public var asAFError: AFError? { + self as? AFError + } + + /// Returns the instance cast as an `AFError`. If casting fails, a `fatalError` with the specified `message` is thrown. + public func asAFError(orFailWith message: @autoclosure () -> String, file: StaticString = #file, line: UInt = #line) -> AFError { + guard let afError = self as? AFError else { + fatalError(message(), file: file, line: line) + } + return afError + } + + /// Casts the instance as `AFError` or returns `defaultAFError` + func asAFError(or defaultAFError: @autoclosure () -> AFError) -> AFError { + self as? AFError ?? defaultAFError() + } +} + +// MARK: - Error Booleans + +extension AFError { + /// Returns whether the instance is `.sessionDeinitialized`. + public var isSessionDeinitializedError: Bool { + if case .sessionDeinitialized = self { return true } + return false + } + + /// Returns whether the instance is `.sessionInvalidated`. + public var isSessionInvalidatedError: Bool { + if case .sessionInvalidated = self { return true } + return false + } + + /// Returns whether the instance is `.explicitlyCancelled`. + public var isExplicitlyCancelledError: Bool { + if case .explicitlyCancelled = self { return true } + return false + } + + /// Returns whether the instance is `.invalidURL`. + public var isInvalidURLError: Bool { + if case .invalidURL = self { return true } + return false + } + + /// Returns whether the instance is `.parameterEncodingFailed`. When `true`, the `underlyingError` property will + /// contain the associated value. + public var isParameterEncodingError: Bool { + if case .parameterEncodingFailed = self { return true } + return false + } + + /// Returns whether the instance is `.parameterEncoderFailed`. When `true`, the `underlyingError` property will + /// contain the associated value. + public var isParameterEncoderError: Bool { + if case .parameterEncoderFailed = self { return true } + return false + } + + /// Returns whether the instance is `.multipartEncodingFailed`. When `true`, the `url` and `underlyingError` + /// properties will contain the associated values. + public var isMultipartEncodingError: Bool { + if case .multipartEncodingFailed = self { return true } + return false + } + + /// Returns whether the instance is `.requestAdaptationFailed`. When `true`, the `underlyingError` property will + /// contain the associated value. + public var isRequestAdaptationError: Bool { + if case .requestAdaptationFailed = self { return true } + return false + } + + /// Returns whether the instance is `.responseValidationFailed`. When `true`, the `acceptableContentTypes`, + /// `responseContentType`, `responseCode`, and `underlyingError` properties will contain the associated values. + public var isResponseValidationError: Bool { + if case .responseValidationFailed = self { return true } + return false + } + + /// Returns whether the instance is `.responseSerializationFailed`. When `true`, the `failedStringEncoding` and + /// `underlyingError` properties will contain the associated values. + public var isResponseSerializationError: Bool { + if case .responseSerializationFailed = self { return true } + return false + } + + /// Returns whether the instance is `.serverTrustEvaluationFailed`. When `true`, the `underlyingError` property will + /// contain the associated value. + public var isServerTrustEvaluationError: Bool { + if case .serverTrustEvaluationFailed = self { return true } + return false + } + + /// Returns whether the instance is `requestRetryFailed`. When `true`, the `underlyingError` property will + /// contain the associated value. + public var isRequestRetryError: Bool { + if case .requestRetryFailed = self { return true } + return false + } + + /// Returns whether the instance is `createUploadableFailed`. When `true`, the `underlyingError` property will + /// contain the associated value. + public var isCreateUploadableError: Bool { + if case .createUploadableFailed = self { return true } + return false + } + + /// Returns whether the instance is `createURLRequestFailed`. When `true`, the `underlyingError` property will + /// contain the associated value. + public var isCreateURLRequestError: Bool { + if case .createURLRequestFailed = self { return true } + return false + } + + /// Returns whether the instance is `downloadedFileMoveFailed`. When `true`, the `destination` and `underlyingError` properties will + /// contain the associated values. + public var isDownloadedFileMoveError: Bool { + if case .downloadedFileMoveFailed = self { return true } + return false + } + + /// Returns whether the instance is `createURLRequestFailed`. When `true`, the `underlyingError` property will + /// contain the associated value. + public var isSessionTaskError: Bool { + if case .sessionTaskFailed = self { return true } + return false + } +} + +// MARK: - Convenience Properties + +extension AFError { + /// The `URLConvertible` associated with the error. + public var urlConvertible: URLConvertible? { + guard case let .invalidURL(url) = self else { return nil } + return url + } + + /// The `URL` associated with the error. + public var url: URL? { + guard case let .multipartEncodingFailed(reason) = self else { return nil } + return reason.url + } + + /// The underlying `Error` responsible for generating the failure associated with `.sessionInvalidated`, + /// `.parameterEncodingFailed`, `.parameterEncoderFailed`, `.multipartEncodingFailed`, `.requestAdaptationFailed`, + /// `.responseSerializationFailed`, `.requestRetryFailed` errors. + public var underlyingError: Error? { + switch self { + case let .multipartEncodingFailed(reason): + return reason.underlyingError + case let .parameterEncodingFailed(reason): + return reason.underlyingError + case let .parameterEncoderFailed(reason): + return reason.underlyingError + case let .requestAdaptationFailed(error): + return error + case let .requestRetryFailed(retryError, _): + return retryError + case let .responseValidationFailed(reason): + return reason.underlyingError + case let .responseSerializationFailed(reason): + return reason.underlyingError + case let .serverTrustEvaluationFailed(reason): + return reason.underlyingError + case let .sessionInvalidated(error): + return error + case let .createUploadableFailed(error): + return error + case let .createURLRequestFailed(error): + return error + case let .downloadedFileMoveFailed(error, _, _): + return error + case let .sessionTaskFailed(error): + return error + case .explicitlyCancelled, + .invalidURL, + .sessionDeinitialized, + .urlRequestValidationFailed: + return nil + } + } + + /// The acceptable `Content-Type`s of a `.responseValidationFailed` error. + public var acceptableContentTypes: [String]? { + guard case let .responseValidationFailed(reason) = self else { return nil } + return reason.acceptableContentTypes + } + + /// The response `Content-Type` of a `.responseValidationFailed` error. + public var responseContentType: String? { + guard case let .responseValidationFailed(reason) = self else { return nil } + return reason.responseContentType + } + + /// The response code of a `.responseValidationFailed` error. + public var responseCode: Int? { + guard case let .responseValidationFailed(reason) = self else { return nil } + return reason.responseCode + } + + /// The `String.Encoding` associated with a failed `.stringResponse()` call. + public var failedStringEncoding: String.Encoding? { + guard case let .responseSerializationFailed(reason) = self else { return nil } + return reason.failedStringEncoding + } + + /// The `source` URL of a `.downloadedFileMoveFailed` error. + public var sourceURL: URL? { + guard case let .downloadedFileMoveFailed(_, source, _) = self else { return nil } + return source + } + + /// The `destination` URL of a `.downloadedFileMoveFailed` error. + public var destinationURL: URL? { + guard case let .downloadedFileMoveFailed(_, _, destination) = self else { return nil } + return destination + } +} + +extension AFError.ParameterEncodingFailureReason { + var underlyingError: Error? { + switch self { + case let .jsonEncodingFailed(error), + let .customEncodingFailed(error): + return error + case .missingURL: + return nil + } + } +} + +extension AFError.ParameterEncoderFailureReason { + var underlyingError: Error? { + switch self { + case let .encoderFailed(error): + return error + case .missingRequiredComponent: + return nil + } + } +} + +extension AFError.MultipartEncodingFailureReason { + var url: URL? { + switch self { + case let .bodyPartURLInvalid(url), + let .bodyPartFilenameInvalid(url), + let .bodyPartFileNotReachable(url), + let .bodyPartFileIsDirectory(url), + let .bodyPartFileSizeNotAvailable(url), + let .bodyPartInputStreamCreationFailed(url), + let .outputStreamCreationFailed(url), + let .outputStreamFileAlreadyExists(url), + let .outputStreamURLInvalid(url), + let .bodyPartFileNotReachableWithError(url, _), + let .bodyPartFileSizeQueryFailedWithError(url, _): + return url + case .outputStreamWriteFailed, + .inputStreamReadFailed: + return nil + } + } + + var underlyingError: Error? { + switch self { + case let .bodyPartFileNotReachableWithError(_, error), + let .bodyPartFileSizeQueryFailedWithError(_, error), + let .outputStreamWriteFailed(error), + let .inputStreamReadFailed(error): + return error + case .bodyPartURLInvalid, + .bodyPartFilenameInvalid, + .bodyPartFileNotReachable, + .bodyPartFileIsDirectory, + .bodyPartFileSizeNotAvailable, + .bodyPartInputStreamCreationFailed, + .outputStreamCreationFailed, + .outputStreamFileAlreadyExists, + .outputStreamURLInvalid: + return nil + } + } +} + +extension AFError.ResponseValidationFailureReason { + var acceptableContentTypes: [String]? { + switch self { + case let .missingContentType(types), + let .unacceptableContentType(types, _): + return types + case .dataFileNil, + .dataFileReadFailed, + .unacceptableStatusCode, + .customValidationFailed: + return nil + } + } + + var responseContentType: String? { + switch self { + case let .unacceptableContentType(_, responseType): + return responseType + case .dataFileNil, + .dataFileReadFailed, + .missingContentType, + .unacceptableStatusCode, + .customValidationFailed: + return nil + } + } + + var responseCode: Int? { + switch self { + case let .unacceptableStatusCode(code): + return code + case .dataFileNil, + .dataFileReadFailed, + .missingContentType, + .unacceptableContentType, + .customValidationFailed: + return nil + } + } + + var underlyingError: Error? { + switch self { + case let .customValidationFailed(error): + return error + case .dataFileNil, + .dataFileReadFailed, + .missingContentType, + .unacceptableContentType, + .unacceptableStatusCode: + return nil + } + } +} + +extension AFError.ResponseSerializationFailureReason { + var failedStringEncoding: String.Encoding? { + switch self { + case let .stringSerializationFailed(encoding): + return encoding + case .inputDataNilOrZeroLength, + .inputFileNil, + .inputFileReadFailed(_), + .jsonSerializationFailed(_), + .decodingFailed(_), + .customSerializationFailed(_), + .invalidEmptyResponse: + return nil + } + } + + var underlyingError: Error? { + switch self { + case let .jsonSerializationFailed(error), + let .decodingFailed(error), + let .customSerializationFailed(error): + return error + case .inputDataNilOrZeroLength, + .inputFileNil, + .inputFileReadFailed, + .stringSerializationFailed, + .invalidEmptyResponse: + return nil + } + } +} + +extension AFError.ServerTrustFailureReason { + var output: AFError.ServerTrustFailureReason.Output? { + switch self { + case let .defaultEvaluationFailed(output), + let .hostValidationFailed(output), + let .revocationCheckFailed(output, _): + return output + case .noRequiredEvaluator, + .noCertificatesFound, + .noPublicKeysFound, + .policyApplicationFailed, + .settingAnchorCertificatesFailed, + .revocationPolicyCreationFailed, + .trustEvaluationFailed, + .certificatePinningFailed, + .publicKeyPinningFailed, + .customEvaluationFailed: + return nil + } + } + + var underlyingError: Error? { + switch self { + case let .customEvaluationFailed(error): + return error + case let .trustEvaluationFailed(error): + return error + case .noRequiredEvaluator, + .noCertificatesFound, + .noPublicKeysFound, + .policyApplicationFailed, + .settingAnchorCertificatesFailed, + .revocationPolicyCreationFailed, + .defaultEvaluationFailed, + .hostValidationFailed, + .revocationCheckFailed, + .certificatePinningFailed, + .publicKeyPinningFailed: + return nil + } + } +} + +// MARK: - Error Descriptions + +extension AFError: LocalizedError { + public var errorDescription: String? { + switch self { + case .explicitlyCancelled: + return "Request explicitly cancelled." + case let .invalidURL(url): + return "URL is not valid: \(url)" + case let .parameterEncodingFailed(reason): + return reason.localizedDescription + case let .parameterEncoderFailed(reason): + return reason.localizedDescription + case let .multipartEncodingFailed(reason): + return reason.localizedDescription + case let .requestAdaptationFailed(error): + return "Request adaption failed with error: \(error.localizedDescription)" + case let .responseValidationFailed(reason): + return reason.localizedDescription + case let .responseSerializationFailed(reason): + return reason.localizedDescription + case let .requestRetryFailed(retryError, originalError): + return """ + Request retry failed with retry error: \(retryError.localizedDescription), \ + original error: \(originalError.localizedDescription) + """ + case .sessionDeinitialized: + return """ + Session was invalidated without error, so it was likely deinitialized unexpectedly. \ + Be sure to retain a reference to your Session for the duration of your requests. + """ + case let .sessionInvalidated(error): + return "Session was invalidated with error: \(error?.localizedDescription ?? "No description.")" + case let .serverTrustEvaluationFailed(reason): + return "Server trust evaluation failed due to reason: \(reason.localizedDescription)" + case let .urlRequestValidationFailed(reason): + return "URLRequest validation failed due to reason: \(reason.localizedDescription)" + case let .createUploadableFailed(error): + return "Uploadable creation failed with error: \(error.localizedDescription)" + case let .createURLRequestFailed(error): + return "URLRequest creation failed with error: \(error.localizedDescription)" + case let .downloadedFileMoveFailed(error, source, destination): + return "Moving downloaded file from: \(source) to: \(destination) failed with error: \(error.localizedDescription)" + case let .sessionTaskFailed(error): + return "URLSessionTask failed with error: \(error.localizedDescription)" + } + } +} + +extension AFError.ParameterEncodingFailureReason { + var localizedDescription: String { + switch self { + case .missingURL: + return "URL request to encode was missing a URL" + case let .jsonEncodingFailed(error): + return "JSON could not be encoded because of error:\n\(error.localizedDescription)" + case let .customEncodingFailed(error): + return "Custom parameter encoder failed with error: \(error.localizedDescription)" + } + } +} + +extension AFError.ParameterEncoderFailureReason { + var localizedDescription: String { + switch self { + case let .missingRequiredComponent(component): + return "Encoding failed due to a missing request component: \(component)" + case let .encoderFailed(error): + return "The underlying encoder failed with the error: \(error)" + } + } +} + +extension AFError.MultipartEncodingFailureReason { + var localizedDescription: String { + switch self { + case let .bodyPartURLInvalid(url): + return "The URL provided is not a file URL: \(url)" + case let .bodyPartFilenameInvalid(url): + return "The URL provided does not have a valid filename: \(url)" + case let .bodyPartFileNotReachable(url): + return "The URL provided is not reachable: \(url)" + case let .bodyPartFileNotReachableWithError(url, error): + return """ + The system returned an error while checking the provided URL for reachability. + URL: \(url) + Error: \(error) + """ + case let .bodyPartFileIsDirectory(url): + return "The URL provided is a directory: \(url)" + case let .bodyPartFileSizeNotAvailable(url): + return "Could not fetch the file size from the provided URL: \(url)" + case let .bodyPartFileSizeQueryFailedWithError(url, error): + return """ + The system returned an error while attempting to fetch the file size from the provided URL. + URL: \(url) + Error: \(error) + """ + case let .bodyPartInputStreamCreationFailed(url): + return "Failed to create an InputStream for the provided URL: \(url)" + case let .outputStreamCreationFailed(url): + return "Failed to create an OutputStream for URL: \(url)" + case let .outputStreamFileAlreadyExists(url): + return "A file already exists at the provided URL: \(url)" + case let .outputStreamURLInvalid(url): + return "The provided OutputStream URL is invalid: \(url)" + case let .outputStreamWriteFailed(error): + return "OutputStream write failed with error: \(error)" + case let .inputStreamReadFailed(error): + return "InputStream read failed with error: \(error)" + } + } +} + +extension AFError.ResponseSerializationFailureReason { + var localizedDescription: String { + switch self { + case .inputDataNilOrZeroLength: + return "Response could not be serialized, input data was nil or zero length." + case .inputFileNil: + return "Response could not be serialized, input file was nil." + case let .inputFileReadFailed(url): + return "Response could not be serialized, input file could not be read: \(url)." + case let .stringSerializationFailed(encoding): + return "String could not be serialized with encoding: \(encoding)." + case let .jsonSerializationFailed(error): + return "JSON could not be serialized because of error:\n\(error.localizedDescription)" + case let .invalidEmptyResponse(type): + return """ + Empty response could not be serialized to type: \(type). \ + Use Empty as the expected type for such responses. + """ + case let .decodingFailed(error): + return "Response could not be decoded because of error:\n\(error.localizedDescription)" + case let .customSerializationFailed(error): + return "Custom response serializer failed with error:\n\(error.localizedDescription)" + } + } +} + +extension AFError.ResponseValidationFailureReason { + var localizedDescription: String { + switch self { + case .dataFileNil: + return "Response could not be validated, data file was nil." + case let .dataFileReadFailed(url): + return "Response could not be validated, data file could not be read: \(url)." + case let .missingContentType(types): + return """ + Response Content-Type was missing and acceptable content types \ + (\(types.joined(separator: ","))) do not match "*/*". + """ + case let .unacceptableContentType(acceptableTypes, responseType): + return """ + Response Content-Type "\(responseType)" does not match any acceptable types: \ + \(acceptableTypes.joined(separator: ",")). + """ + case let .unacceptableStatusCode(code): + return "Response status code was unacceptable: \(code)." + case let .customValidationFailed(error): + return "Custom response validation failed with error: \(error.localizedDescription)" + } + } +} + +extension AFError.ServerTrustFailureReason { + var localizedDescription: String { + switch self { + case let .noRequiredEvaluator(host): + return "A ServerTrustEvaluating value is required for host \(host) but none was found." + case .noCertificatesFound: + return "No certificates were found or provided for evaluation." + case .noPublicKeysFound: + return "No public keys were found or provided for evaluation." + case .policyApplicationFailed: + return "Attempting to set a SecPolicy failed." + case .settingAnchorCertificatesFailed: + return "Attempting to set the provided certificates as anchor certificates failed." + case .revocationPolicyCreationFailed: + return "Attempting to create a revocation policy failed." + case let .trustEvaluationFailed(error): + return "SecTrust evaluation failed with error: \(error?.localizedDescription ?? "None")" + case let .defaultEvaluationFailed(output): + return "Default evaluation failed for host \(output.host)." + case let .hostValidationFailed(output): + return "Host validation failed for host \(output.host)." + case let .revocationCheckFailed(output, _): + return "Revocation check failed for host \(output.host)." + case let .certificatePinningFailed(host, _, _, _): + return "Certificate pinning failed for host \(host)." + case let .publicKeyPinningFailed(host, _, _, _): + return "Public key pinning failed for host \(host)." + case let .customEvaluationFailed(error): + return "Custom trust evaluation failed with error: \(error.localizedDescription)" + } + } +} + +extension AFError.URLRequestValidationFailureReason { + var localizedDescription: String { + switch self { + case let .bodyDataInGETRequest(data): + return """ + Invalid URLRequest: Requests with GET method cannot have body data: + \(String(decoding: data, as: UTF8.self)) + """ + } + } +} diff --git a/Pods/Alamofire/Source/Alamofire.swift b/Pods/Alamofire/Source/Alamofire.swift new file mode 100644 index 0000000..21166ad --- /dev/null +++ b/Pods/Alamofire/Source/Alamofire.swift @@ -0,0 +1,29 @@ +// +// Alamofire.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +/// Reference to `Session.default` for quick bootstrapping and examples. +public let AF = Session.default + +/// Current Alamofire version. Necessary since SPM doesn't use dynamic libraries. Plus this will be more accurate. +let version = "5.1.0" diff --git a/Pods/Alamofire/Source/AlamofireExtended.swift b/Pods/Alamofire/Source/AlamofireExtended.swift new file mode 100644 index 0000000..f1a281d --- /dev/null +++ b/Pods/Alamofire/Source/AlamofireExtended.swift @@ -0,0 +1,61 @@ +// +// AlamofireExtended.swift +// +// Copyright (c) 2019 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +/// Type that acts as a generic extension point for all `AlamofireExtended` types. +public struct AlamofireExtension { + /// Stores the type or meta-type of any extended type. + public private(set) var type: ExtendedType + + /// Create an instance from the provided value. + /// + /// - Parameter type: Instance being extended. + public init(_ type: ExtendedType) { + self.type = type + } +} + +/// Protocol describing the `af` extension points for Alamofire extended types. +public protocol AlamofireExtended { + /// Type being extended. + associatedtype ExtendedType + + /// Static Alamofire extension point. + static var af: AlamofireExtension.Type { get set } + /// Instance Alamofire extension point. + var af: AlamofireExtension { get set } +} + +public extension AlamofireExtended { + /// Static Alamofire extension point. + static var af: AlamofireExtension.Type { + get { AlamofireExtension.self } + set {} + } + + /// Instance Alamofire extension point. + var af: AlamofireExtension { + get { AlamofireExtension(self) } + set {} + } +} diff --git a/Pods/Alamofire/Source/AuthenticationInterceptor.swift b/Pods/Alamofire/Source/AuthenticationInterceptor.swift new file mode 100644 index 0000000..8dfab23 --- /dev/null +++ b/Pods/Alamofire/Source/AuthenticationInterceptor.swift @@ -0,0 +1,402 @@ +// +// AuthenticationInterceptor.swift +// +// Copyright (c) 2020 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +/// Types adopting the `AuthenticationCredential` protocol can be used to authenticate `URLRequest`s. +/// +/// One common example of an `AuthenticationCredential` is an OAuth2 credential containing an access token used to +/// authenticate all requests on behalf of a user. The access token generally has an expiration window of 60 minutes +/// which will then require a refresh of the credential using the refresh token to generate a new access token. +public protocol AuthenticationCredential { + /// Whether the credential requires a refresh. This property should always return `true` when the credential is + /// expired. It is also wise to consider returning `true` when the credential will expire in several seconds or + /// minutes depending on the expiration window of the credential. + /// + /// For example, if the credential is valid for 60 minutes, then it would be wise to return `true` when the + /// credential is only valid for 5 minutes or less. That ensures the credential will not expire as it is passed + /// around backend services. + var requiresRefresh: Bool { get } +} + +// MARK: - + +/// Types adopting the `Authenticator` protocol can be used to authenticate `URLRequest`s with an +/// `AuthenticationCredential` as well as refresh the `AuthenticationCredential` when required. +public protocol Authenticator: AnyObject { + /// The type of credential associated with the `Authenticator` instance. + associatedtype Credential: AuthenticationCredential + + /// Applies the `Credential` to the `URLRequest`. + /// + /// In the case of OAuth2, the access token of the `Credential` would be added to the `URLRequest` as a Bearer + /// token to the `Authorization` header. + /// + /// - Parameters: + /// - credential: The `Credential`. + /// - urlRequest: The `URLRequest`. + func apply(_ credential: Credential, to urlRequest: inout URLRequest) + + /// Refreshes the `Credential` and executes the `completion` closure with the `Result` once complete. + /// + /// Refresh can be called in one of two ways. It can be called before the `Request` is actually executed due to + /// a `requiresRefresh` returning `true` during the adapt portion of the `Request` creation process. It can also + /// be triggered by a failed `Request` where the authentication server denied access due to an expired or + /// invalidated access token. + /// + /// In the case of OAuth2, this method would use the refresh token of the `Credential` to generate a new + /// `Credential` using the authentication service. Once complete, the `completion` closure should be called with + /// the new `Credential`, or the error that occurred. + /// + /// In general, if the refresh call fails with certain status codes from the authentication server (commonly a 401), + /// the refresh token in the `Credential` can no longer be used to generate a valid `Credential`. In these cases, + /// you will need to reauthenticate the user with their username / password. + /// + /// Please note, these are just general examples of common use cases. They are not meant to solve your specific + /// authentication server challenges. Please work with your authentication server team to ensure your + /// `Authenticator` logic matches their expectations. + /// + /// - Parameters: + /// - credential: The `Credential` to refresh. + /// - session: The `Session` requiring the refresh. + /// - completion: The closure to be executed once the refresh is complete. + func refresh(_ credential: Credential, for session: Session, completion: @escaping (Result) -> Void) + + /// Determines whether the `URLRequest` failed due to an authentication error based on the `HTTPURLResponse`. + /// + /// If the authentication server **CANNOT** invalidate credentials after they are issued, then simply return `false` + /// for this method. If the authentication server **CAN** invalidate credentials due to security breaches, then you + /// will need to work with your authentication server team to understand how to identify when this occurs. + /// + /// In the case of OAuth2, where an authentication server can invalidate credentials, you will need to inspect the + /// `HTTPURLResponse` or possibly the `Error` for when this occurs. This is commonly handled by the authentication + /// server returning a 401 status code and some additional header to indicate an OAuth2 failure occurred. + /// + /// It is very important to understand how your authentication server works to be able to implement this correctly. + /// For example, if your authentication server returns a 401 when an OAuth2 error occurs, and your downstream + /// service also returns a 401 when you are not authorized to perform that operation, how do you know which layer + /// of the backend returned you a 401? You do not want to trigger a refresh unless you know your authentication + /// server is actually the layer rejecting the request. Again, work with your authentication server team to understand + /// how to identify an OAuth2 401 error vs. a downstream 401 error to avoid endless refresh loops. + /// + /// - Parameters: + /// - urlRequest: The `URLRequest`. + /// - response: The `HTTPURLResponse`. + /// - error: The `Error`. + /// + /// - Returns: `true` if the `URLRequest` failed due to an authentication error, `false` otherwise. + func didRequest(_ urlRequest: URLRequest, with response: HTTPURLResponse, failDueToAuthenticationError error: Error) -> Bool + + /// Determines whether the `URLRequest` is authenticated with the `Credential`. + /// + /// If the authentication server **CANNOT** invalidate credentials after they are issued, then simply return `true` + /// for this method. If the authentication server **CAN** invalidate credentials due to security breaches, then + /// read on. + /// + /// When an authentication server can invalidate credentials, it means that you may have a non-expired credential + /// that appears to be valid, but will be rejected by the authentication server when used. Generally when this + /// happens, a number of requests are all sent when the application is foregrounded, and all of them will be + /// rejected by the authentication server in the order they are received. The first failed request will trigger a + /// refresh internally, which will update the credential, and then retry all the queued requests with the new + /// credential. However, it is possible that some of the original requests will not return from the authentication + /// server until the refresh has completed. This is where this method comes in. + /// + /// When the authentication server rejects a credential, we need to check to make sure we haven't refreshed the + /// credential while the request was in flight. If it has already refreshed, then we don't need to trigger an + /// additional refresh. If it hasn't refreshed, then we need to refresh. + /// + /// Now that it is understood how the result of this method is used in the refresh lifecyle, let's walk through how + /// to implement it. You should return `true` in this method if the `URLRequest` is authenticated in a way that + /// matches the values in the `Credential`. In the case of OAuth2, this would mean that the Bearer token in the + /// `Authorization` header of the `URLRequest` matches the access token in the `Credential`. If it matches, then we + /// know the `Credential` was used to authenticate the `URLRequest` and should return `true`. If the Bearer token + /// did not match the access token, then you should return `false`. + /// + /// - Parameters: + /// - urlRequest: The `URLRequest`. + /// - credential: The `Credential`. + /// + /// - Returns: `true` if the `URLRequest` is authenticated with the `Credential`, `false` otherwise. + func isRequest(_ urlRequest: URLRequest, authenticatedWith credential: Credential) -> Bool +} + +// MARK: - + +/// Represents various authentication failures that occur when using the `AuthenticationInterceptor`. All errors are +/// still vended from Alamofire as `AFError` types. The `AuthenticationError` instances will be embedded within +/// `AFError` `.requestAdaptationFailed` or `.requestRetryFailed` cases. +public enum AuthenticationError: Error { + /// The credential was missing so the request could not be authenticated. + case missingCredential + /// The credential was refreshed too many times within the `RefreshWindow`. + case excessiveRefresh +} + +// MARK: - + +/// The `AuthenticationInterceptor` class manages the queuing and threading complexity of authenticating requests. +/// It relies on an `Authenticator` type to handle the actual `URLRequest` authentication and `Credential` refresh. +public class AuthenticationInterceptor: RequestInterceptor where AuthenticatorType: Authenticator { + // MARK: Typealiases + + /// Type of credential used to authenticate requests. + public typealias Credential = AuthenticatorType.Credential + + // MARK: Helper Types + + /// Type that defines a time window used to identify excessive refresh calls. When enabled, prior to executing a + /// refresh, the `AuthenticationInterceptor` compares the timestamp history of previous refresh calls against the + /// `RefreshWindow`. If more refreshes have occurred within the refresh window than allowed, the refresh is + /// cancelled and an `AuthorizationError.excessiveRefresh` error is thrown. + public struct RefreshWindow { + /// `TimeInterval` defining the duration of the time window before the current time in which the number of + /// refresh attempts is compared against `maximumAttempts`. For example, if `interval` is 30 seconds, then the + /// `RefreshWindow` represents the past 30 seconds. If more attempts occurred in the past 30 seconds than + /// `maximumAttempts`, an `.excessiveRefresh` error will be thrown. + public let interval: TimeInterval + + /// Total refresh attempts allowed within `interval` before throwing an `.excessiveRefresh` error. + public let maximumAttempts: Int + + /// Creates a `RefreshWindow` instance from the specified `interval` and `maximumAttempts`. + /// + /// - Parameters: + /// - interval: `TimeInterval` defining the duration of the time window before the current time. + /// - maximumAttempts: The maximum attempts allowed within the `TimeInterval`. + public init(interval: TimeInterval = 30.0, maximumAttempts: Int = 5) { + self.interval = interval + self.maximumAttempts = maximumAttempts + } + } + + private struct AdaptOperation { + let urlRequest: URLRequest + let session: Session + let completion: (Result) -> Void + } + + private enum AdaptResult { + case adapt(Credential) + case doNotAdapt(AuthenticationError) + case adaptDeferred + } + + private struct MutableState { + var credential: Credential? + + var isRefreshing = false + var refreshTimestamps: [TimeInterval] = [] + var refreshWindow: RefreshWindow? + + var adaptOperations: [AdaptOperation] = [] + var requestsToRetry: [(Alamofire.RetryResult) -> Void] = [] + } + + // MARK: Properties + + /// The `Credential` used to authenticate requests. + public var credential: Credential? { + get { mutableState.credential } + set { mutableState.credential = newValue } + } + + let authenticator: AuthenticatorType + let queue = DispatchQueue(label: "org.alamofire.authentication.inspector") + + @Protected + private var mutableState = MutableState() + + // MARK: Initialization + + /// Creates an `AuthenticationInterceptor` instance from the specified parameters. + /// + /// A `nil` `RefreshWindow` will result in the `AuthenticationInterceptor` not checking for excessive refresh calls. + /// It is recommended to always use a `RefreshWindow` to avoid endless refresh cycles. + /// + /// - Parameters: + /// - authenticator: The `Authenticator` type. + /// - credential: The `Credential` if it exists. `nil` by default. + /// - refreshWindow: The `RefreshWindow` used to identify excessive refresh calls. `RefreshWindow()` by default. + public init(authenticator: AuthenticatorType, + credential: Credential? = nil, + refreshWindow: RefreshWindow? = RefreshWindow()) { + self.authenticator = authenticator + mutableState.credential = credential + mutableState.refreshWindow = refreshWindow + } + + // MARK: Adapt + + public func adapt(_ urlRequest: URLRequest, for session: Session, completion: @escaping (Result) -> Void) { + let adaptResult: AdaptResult = $mutableState.write { mutableState in + // Queue the adapt operation if a refresh is already in place. + guard !mutableState.isRefreshing else { + let operation = AdaptOperation(urlRequest: urlRequest, session: session, completion: completion) + mutableState.adaptOperations.append(operation) + return .adaptDeferred + } + + // Throw missing credential error is the credential is missing. + guard let credential = mutableState.credential else { + let error = AuthenticationError.missingCredential + return .doNotAdapt(error) + } + + // Queue the adapt operation and trigger refresh operation if credential requires refresh. + guard !credential.requiresRefresh else { + let operation = AdaptOperation(urlRequest: urlRequest, session: session, completion: completion) + mutableState.adaptOperations.append(operation) + refresh(credential, for: session, insideLock: &mutableState) + return .adaptDeferred + } + + return .adapt(credential) + } + + switch adaptResult { + case let .adapt(credential): + var authenticatedRequest = urlRequest + authenticator.apply(credential, to: &authenticatedRequest) + completion(.success(authenticatedRequest)) + + case let .doNotAdapt(adaptError): + completion(.failure(adaptError)) + + case .adaptDeferred: + // No-op: adapt operation captured during refresh. + break + } + } + + // MARK: Retry + + public func retry(_ request: Request, for session: Session, dueTo error: Error, completion: @escaping (RetryResult) -> Void) { + // Do not attempt retry if there was not an original request and response from the server. + guard let urlRequest = request.request, let response = request.response else { + completion(.doNotRetry) + return + } + + // Do not attempt retry unless the `Authenticator` verifies failure was due to authentication error (i.e. 401 status code). + guard authenticator.didRequest(urlRequest, with: response, failDueToAuthenticationError: error) else { + completion(.doNotRetry) + return + } + + // Do not attempt retry if there is no credential. + guard let credential = credential else { + let error = AuthenticationError.missingCredential + completion(.doNotRetryWithError(error)) + return + } + + // Retry the request if the `Authenticator` verifies it was authenticated with a previous credential. + guard authenticator.isRequest(urlRequest, authenticatedWith: credential) else { + completion(.retry) + return + } + + $mutableState.write { mutableState in + mutableState.requestsToRetry.append(completion) + + guard !mutableState.isRefreshing else { return } + + refresh(credential, for: session, insideLock: &mutableState) + } + } + + // MARK: Refresh + + private func refresh(_ credential: Credential, for session: Session, insideLock mutableState: inout MutableState) { + guard !isRefreshExcessive(insideLock: &mutableState) else { + let error = AuthenticationError.excessiveRefresh + handleRefreshFailure(error, insideLock: &mutableState) + return + } + + mutableState.refreshTimestamps.append(ProcessInfo.processInfo.systemUptime) + mutableState.isRefreshing = true + + authenticator.refresh(credential, for: session) { result in + self.$mutableState.write { mutableState in + switch result { + case let .success(credential): + self.handleRefreshSuccess(credential, insideLock: &mutableState) + + case let .failure(error): + self.handleRefreshFailure(error, insideLock: &mutableState) + } + } + } + } + + private func isRefreshExcessive(insideLock mutableState: inout MutableState) -> Bool { + guard let refreshWindow = mutableState.refreshWindow else { return false } + + let refreshWindowMin = ProcessInfo.processInfo.systemUptime - refreshWindow.interval + + let refreshAttemptsWithinWindow = mutableState.refreshTimestamps.reduce(into: 0) { attempts, refreshTimestamp in + guard refreshWindowMin <= refreshTimestamp else { return } + attempts += 1 + } + + let isRefreshExcessive = refreshAttemptsWithinWindow >= refreshWindow.maximumAttempts + + return isRefreshExcessive + } + + private func handleRefreshSuccess(_ credential: Credential, insideLock mutableState: inout MutableState) { + mutableState.credential = credential + + let adaptOperations = mutableState.adaptOperations + let requestsToRetry = mutableState.requestsToRetry + + mutableState.adaptOperations.removeAll() + mutableState.requestsToRetry.removeAll() + + mutableState.isRefreshing = false + + // Dispatch to queue to hop out of the mutable state lock + queue.async { + adaptOperations.forEach { self.adapt($0.urlRequest, for: $0.session, completion: $0.completion) } + requestsToRetry.forEach { $0(.retry) } + } + } + + private func handleRefreshFailure(_ error: Error, insideLock mutableState: inout MutableState) { + let adaptOperations = mutableState.adaptOperations + let requestsToRetry = mutableState.requestsToRetry + + mutableState.adaptOperations.removeAll() + mutableState.requestsToRetry.removeAll() + + mutableState.isRefreshing = false + + // Dispatch to queue to hop out of the mutable state lock + queue.async { + adaptOperations.forEach { $0.completion(.failure(error)) } + requestsToRetry.forEach { $0(.doNotRetryWithError(error)) } + } + } +} diff --git a/Pods/Alamofire/Source/CachedResponseHandler.swift b/Pods/Alamofire/Source/CachedResponseHandler.swift new file mode 100644 index 0000000..b6e0d4b --- /dev/null +++ b/Pods/Alamofire/Source/CachedResponseHandler.swift @@ -0,0 +1,91 @@ +// +// CachedResponseHandler.swift +// +// Copyright (c) 2019 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +/// A type that handles whether the data task should store the HTTP response in the cache. +public protocol CachedResponseHandler { + /// Determines whether the HTTP response should be stored in the cache. + /// + /// The `completion` closure should be passed one of three possible options: + /// + /// 1. The cached response provided by the server (this is the most common use case). + /// 2. A modified version of the cached response (you may want to modify it in some way before caching). + /// 3. A `nil` value to prevent the cached response from being stored in the cache. + /// + /// - Parameters: + /// - task: The data task whose request resulted in the cached response. + /// - response: The cached response to potentially store in the cache. + /// - completion: The closure to execute containing cached response, a modified response, or `nil`. + func dataTask(_ task: URLSessionDataTask, + willCacheResponse response: CachedURLResponse, + completion: @escaping (CachedURLResponse?) -> Void) +} + +// MARK: - + +/// `ResponseCacher` is a convenience `CachedResponseHandler` making it easy to cache, not cache, or modify a cached +/// response. +public struct ResponseCacher { + /// Defines the behavior of the `ResponseCacher` type. + public enum Behavior { + /// Stores the cached response in the cache. + case cache + /// Prevents the cached response from being stored in the cache. + case doNotCache + /// Modifies the cached response before storing it in the cache. + case modify((URLSessionDataTask, CachedURLResponse) -> CachedURLResponse?) + } + + /// Returns a `ResponseCacher` with a follow `Behavior`. + public static let cache = ResponseCacher(behavior: .cache) + /// Returns a `ResponseCacher` with a do not follow `Behavior`. + public static let doNotCache = ResponseCacher(behavior: .doNotCache) + + /// The `Behavior` of the `ResponseCacher`. + public let behavior: Behavior + + /// Creates a `ResponseCacher` instance from the `Behavior`. + /// + /// - Parameter behavior: The `Behavior`. + public init(behavior: Behavior) { + self.behavior = behavior + } +} + +extension ResponseCacher: CachedResponseHandler { + public func dataTask(_ task: URLSessionDataTask, + willCacheResponse response: CachedURLResponse, + completion: @escaping (CachedURLResponse?) -> Void) { + switch behavior { + case .cache: + completion(response) + case .doNotCache: + completion(nil) + case let .modify(closure): + let response = closure(task, response) + completion(response) + } + } +} diff --git a/Pods/Alamofire/Source/Combine.swift b/Pods/Alamofire/Source/Combine.swift new file mode 100644 index 0000000..658d1a7 --- /dev/null +++ b/Pods/Alamofire/Source/Combine.swift @@ -0,0 +1,610 @@ +// +// Combine.swift +// +// Copyright (c) 2020 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +#if canImport(Combine) + +import Combine +import Dispatch +import Foundation + +// MARK: - DataRequest / UploadRequest + +/// A Combine `Publisher` that publishes the `DataResponse` of the provided `DataRequest`. +@available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) +public struct DataResponsePublisher: Publisher { + public typealias Output = DataResponse + public typealias Failure = Never + + private typealias Handler = (@escaping (_ response: DataResponse) -> Void) -> DataRequest + + private let request: DataRequest + private let responseHandler: Handler + + /// Creates an instance which will serialize responses using the provided `ResponseSerializer`. + /// + /// - Parameters: + /// - request: `DataRequest` for which to publish the response. + /// - queue: `DispatchQueue` on which the `DataResponse` value will be published. `.main` by default. + /// - serializer: `ResponseSerializer` used to produce the published `DataResponse`. + public init(_ request: DataRequest, queue: DispatchQueue, serializer: Serializer) + where Value == Serializer.SerializedObject { + self.request = request + responseHandler = { request.response(queue: queue, responseSerializer: serializer, completionHandler: $0) } + } + + /// Creates an instance which will serialize responses using the provided `DataResponseSerializerProtocol`. + /// + /// - Parameters: + /// - request: `DataRequest` for which to publish the response. + /// - queue: `DispatchQueue` on which the `DataResponse` value will be published. `.main` by default. + /// - serializer: `DataResponseSerializerProtocol` used to produce the published `DataResponse`. + public init(_ request: DataRequest, + queue: DispatchQueue, + serializer: Serializer) + where Value == Serializer.SerializedObject { + self.request = request + responseHandler = { request.response(queue: queue, responseSerializer: serializer, completionHandler: $0) } + } + + /// Publishes only the `Result` of the `DataResponse` value. + /// + /// - Returns: The `AnyPublisher` publishing the `Result` value. + public func result() -> AnyPublisher, Never> { + map { $0.result }.eraseToAnyPublisher() + } + + /// Publishes the `Result` of the `DataResponse` as a single `Value` or fail with the `AFError` instance. + /// + /// - Returns: The `AnyPublisher` publishing the stream. + public func value() -> AnyPublisher { + setFailureType(to: AFError.self).flatMap { $0.result.publisher }.eraseToAnyPublisher() + } + + public func receive(subscriber: S) where S: Subscriber, DataResponsePublisher.Failure == S.Failure, DataResponsePublisher.Output == S.Input { + subscriber.receive(subscription: Inner(request: request, + responseHandler: responseHandler, + downstream: subscriber)) + } + + private final class Inner: Subscription, Cancellable + where Downstream.Input == Output { + typealias Failure = Downstream.Failure + + @Protected + private var downstream: Downstream? + private let request: DataRequest + private let responseHandler: Handler + + init(request: DataRequest, responseHandler: @escaping Handler, downstream: Downstream) { + self.request = request + self.responseHandler = responseHandler + self.downstream = downstream + } + + func request(_ demand: Subscribers.Demand) { + assert(demand > 0) + + guard let downstream = downstream else { return } + + self.downstream = nil + responseHandler { response in + _ = downstream.receive(response) + downstream.receive(completion: .finished) + }.resume() + } + + func cancel() { + request.cancel() + downstream = nil + } + } +} + +@available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) +extension DataResponsePublisher where Value == Data? { + /// Creates an instance which publishes a `DataResponse` value without serialization. + @available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) + public init(_ request: DataRequest, queue: DispatchQueue) { + self.request = request + responseHandler = { request.response(queue: queue, completionHandler: $0) } + } +} + +extension DataRequest { + /// Creates a `DataResponsePublisher` for this instance using the given `ResponseSerializer` and `DispatchQueue`. + /// + /// - Parameters: + /// - serializer: `ResponseSerializer` used to serialize response `Data`. + /// - queue: `DispatchQueue` on which the `DataResponse` will be published. `.main` by default. + /// + /// - Returns: The `DataResponsePublisher`. + @available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) + public func publishResponse(using serializer: Serializer, on queue: DispatchQueue = .main) -> DataResponsePublisher + where Serializer.SerializedObject == T { + DataResponsePublisher(self, queue: queue, serializer: serializer) + } + + /// Creates a `DataResponsePublisher` for this instance and uses a `DataResponseSerializer` to serialize the + /// response. + /// + /// - Parameters: + /// - queue: `DispatchQueue` on which the `DataResponse` will be published. `.main` by default. + /// - preprocessor: `DataPreprocessor` which filters the `Data` before serialization. `PassthroughPreprocessor()` + /// by default. + /// - emptyResponseCodes: `Set` of HTTP status codes for which empty responses are allowed. `[204, 205]` by + /// default. + /// - emptyRequestMethods: `Set` of `HTTPMethod`s for which empty responses are allowed, regardless of + /// status code. `[.head]` by default. + /// - Returns: The `DataResponsePublisher`. + @available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) + public func publishData(queue: DispatchQueue = .main, + preprocessor: DataPreprocessor = DataResponseSerializer.defaultDataPreprocessor, + emptyResponseCodes: Set = DataResponseSerializer.defaultEmptyResponseCodes, + emptyRequestMethods: Set = DataResponseSerializer.defaultEmptyRequestMethods) -> DataResponsePublisher { + publishResponse(using: DataResponseSerializer(dataPreprocessor: preprocessor, + emptyResponseCodes: emptyResponseCodes, + emptyRequestMethods: emptyRequestMethods), + on: queue) + } + + /// Creates a `DataResponsePublisher` for this instance and uses a `StringResponseSerializer` to serialize the + /// response. + /// + /// - Parameters: + /// - queue: `DispatchQueue` on which the `DataResponse` will be published. `.main` by default. + /// - preprocessor: `DataPreprocessor` which filters the `Data` before serialization. `PassthroughPreprocessor()` + /// by default. + /// - encoding: `String.Encoding` to parse the response. `nil` by default, in which case the encoding + /// will be determined by the server response, falling back to the default HTTP character + /// set, `ISO-8859-1`. + /// - emptyResponseCodes: `Set` of HTTP status codes for which empty responses are allowed. `[204, 205]` by + /// default. + /// - emptyRequestMethods: `Set` of `HTTPMethod`s for which empty responses are allowed, regardless of + /// status code. `[.head]` by default. + /// + /// - Returns: The `DataResponsePublisher`. + @available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) + public func publishString(queue: DispatchQueue = .main, + preprocessor: DataPreprocessor = StringResponseSerializer.defaultDataPreprocessor, + encoding: String.Encoding? = nil, + emptyResponseCodes: Set = StringResponseSerializer.defaultEmptyResponseCodes, + emptyRequestMethods: Set = StringResponseSerializer.defaultEmptyRequestMethods) -> DataResponsePublisher { + publishResponse(using: StringResponseSerializer(dataPreprocessor: preprocessor, + encoding: encoding, + emptyResponseCodes: emptyResponseCodes, + emptyRequestMethods: emptyRequestMethods), + on: queue) + } + + /// Creates a `DataResponsePublisher` for this instance and uses a `DecodableResponseSerializer` to serialize the + /// response. + /// + /// - Parameters: + /// - type: `Decodable` type to which to decode response `Data`. Inferred from the context by default. + /// - queue: `DispatchQueue` on which the `DataResponse` will be published. `.main` by default. + /// - preprocessor: `DataPreprocessor` which filters the `Data` before serialization. `PassthroughPreprocessor()` + /// by default. + /// - decoder: `DataDecoder` instance used to decode response `Data`. `JSONDecoder()` by default. + /// - emptyResponseCodes: `Set` of HTTP status codes for which empty responses are allowed. `[204, 205]` by + /// default. + /// - emptyRequestMethods: `Set` of `HTTPMethod`s for which empty responses are allowed, regardless of + /// status code. `[.head]` by default. + /// + /// - Returns: The `DataResponsePublisher`. + @available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) + public func publishDecodable(type: T.Type = T.self, + queue: DispatchQueue = .main, + preprocessor: DataPreprocessor = DecodableResponseSerializer.defaultDataPreprocessor, + decoder: DataDecoder = JSONDecoder(), + emptyResponseCodes: Set = DecodableResponseSerializer.defaultEmptyResponseCodes, + emptyResponseMethods: Set = DecodableResponseSerializer.defaultEmptyRequestMethods) -> DataResponsePublisher { + publishResponse(using: DecodableResponseSerializer(dataPreprocessor: preprocessor, + decoder: decoder, + emptyResponseCodes: emptyResponseCodes, + emptyRequestMethods: emptyResponseMethods), + on: queue) + } + + /// Creates a `DataResponsePublisher` for this instance which does not serialize the response before publishing. + /// + /// - queue: `DispatchQueue` on which the `DataResponse` will be published. `.main` by default. + /// + /// - Returns: The `DataResponsePublisher`. + @available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) + public func publishUnserialized(queue: DispatchQueue = .main) -> DataResponsePublisher { + DataResponsePublisher(self, queue: queue) + } +} + +// A Combine `Publisher` that publishes a sequence of `Stream` values received by the provided `DataStreamRequest`. +@available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) +public struct DataStreamPublisher: Publisher { + public typealias Output = DataStreamRequest.Stream + public typealias Failure = Never + + private typealias Handler = (@escaping DataStreamRequest.Handler) -> DataStreamRequest + + private let request: DataStreamRequest + private let streamHandler: Handler + + /// Creates an instance which will serialize responses using the provided `DataStreamSerializer`. + /// + /// - Parameters: + /// - request: `DataStreamRequest` for which to publish the response. + /// - queue: `DispatchQueue` on which the `Stream` values will be published. `.main` by + /// default. + /// - serializer: `DataStreamSerializer` used to produce the published `Stream` values. + public init(_ request: DataStreamRequest, queue: DispatchQueue, serializer: Serializer) + where Value == Serializer.SerializedObject { + self.request = request + streamHandler = { request.responseStream(using: serializer, on: queue, stream: $0) } + } + + /// Publishes only the `Result` of the `DataStreamRequest.Stream`'s `Event`s. + /// + /// - Returns: The `AnyPublisher` publishing the `Result` value. + public func result() -> AnyPublisher, Never> { + compactMap { stream in + switch stream.event { + case let .stream(result): + return result + // If the stream has completed with an error, send the error value downstream as a `.failure`. + case let .complete(completion): + return completion.error.map(Result.failure) + } + } + .eraseToAnyPublisher() + } + + /// Publishes the streamed values of the `DataStreamRequest.Stream` as a sequence of `Value` or fail with the + /// `AFError` instance. + /// + /// - Returns: The `AnyPublisher` publishing the stream. + public func value() -> AnyPublisher { + result().setFailureType(to: AFError.self).flatMap { $0.publisher }.eraseToAnyPublisher() + } + + public func receive(subscriber: S) where S: Subscriber, DataStreamPublisher.Failure == S.Failure, DataStreamPublisher.Output == S.Input { + subscriber.receive(subscription: Inner(request: request, + streamHandler: streamHandler, + downstream: subscriber)) + } + + private final class Inner: Subscription, Cancellable + where Downstream.Input == Output { + typealias Failure = Downstream.Failure + + @Protected + private var downstream: Downstream? + private let request: DataStreamRequest + private let streamHandler: Handler + + init(request: DataStreamRequest, streamHandler: @escaping Handler, downstream: Downstream) { + self.request = request + self.streamHandler = streamHandler + self.downstream = downstream + } + + func request(_ demand: Subscribers.Demand) { + assert(demand > 0) + + guard let downstream = downstream else { return } + + self.downstream = nil + streamHandler { stream in + _ = downstream.receive(stream) + if case .complete = stream.event { + downstream.receive(completion: .finished) + } + }.resume() + } + + func cancel() { + request.cancel() + downstream = nil + } + } +} + +extension DataStreamRequest { + /// Creates a `DataStreamPublisher` for this instance using the given `DataStreamSerializer` and `DispatchQueue`. + /// + /// - Parameters: + /// - serializer: `DataStreamSerializer` used to serialize the streamed `Data`. + /// - queue: `DispatchQueue` on which the `DataRequest.Stream` values will be published. `.main` by default. + /// - Returns: The `DataStreamPublisher`. + @available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) + public func publishStream(using serializer: Serializer, + on queue: DispatchQueue = .main) -> DataStreamPublisher { + DataStreamPublisher(self, queue: queue, serializer: serializer) + } + + /// Creates a `DataStreamPublisher` for this instance which uses a `PassthroughStreamSerializer` to stream `Data` + /// unserialized. + /// + /// - Parameters: + /// - queue: `DispatchQueue` on which the `DataRequest.Stream` values will be published. `.main` by default. + /// - Returns: The `DataStreamPublisher`. + @available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) + public func publishData(queue: DispatchQueue = .main) -> DataStreamPublisher { + publishStream(using: PassthroughStreamSerializer(), on: queue) + } + + /// Creates a `DataStreamPublisher` for this instance which uses a `StringStreamSerializer` to serialize stream + /// `Data` values into `String` values. + /// + /// - Parameters: + /// - queue: `DispatchQueue` on which the `DataRequest.Stream` values will be published. `.main` by default. + /// - Returns: The `DataStreamPublisher`. + @available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) + public func publishString(queue: DispatchQueue = .main) -> DataStreamPublisher { + publishStream(using: StringStreamSerializer(), on: queue) + } + + /// Creates a `DataStreamPublisher` for this instance which uses a `DecodableStreamSerializer` with the provided + /// parameters to serialize stream `Data` values into the provided type. + /// + /// - Parameters: + /// - type: `Decodable` type to which to decode stream `Data`. Inferred from the context by default. + /// - queue: `DispatchQueue` on which the `DataRequest.Stream` values will be published. `.main` by default. + /// - decoder: `DataDecoder` instance used to decode stream `Data`. `JSONDecoder()` by default. + /// - preprocessor: `DataPreprocessor` which filters incoming stream `Data` before serialization. + /// `PassthroughPreprocessor()` by default. + /// - Returns: The `DataStreamPublisher`. + @available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) + public func publishDecodable(type: T.Type = T.self, + queue: DispatchQueue = .main, + decoder: DataDecoder = JSONDecoder(), + preprocessor: DataPreprocessor = PassthroughPreprocessor()) -> DataStreamPublisher { + publishStream(using: DecodableStreamSerializer(decoder: decoder, + dataPreprocessor: preprocessor), + on: queue) + } +} + +/// A Combine `Publisher` that publishes the `DownloadResponse` of the provided `DownloadRequest`. +@available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) +public struct DownloadResponsePublisher: Publisher { + public typealias Output = DownloadResponse + public typealias Failure = Never + + private typealias Handler = (@escaping (_ response: DownloadResponse) -> Void) -> DownloadRequest + + private let request: DownloadRequest + private let responseHandler: Handler + + /// Creates an instance which will serialize responses using the provided `ResponseSerializer`. + /// + /// - Parameters: + /// - request: `DownloadRequest` for which to publish the response. + /// - queue: `DispatchQueue` on which the `DownloadResponse` value will be published. `.main` by default. + /// - serializer: `ResponseSerializer` used to produce the published `DownloadResponse`. + public init(_ request: DownloadRequest, queue: DispatchQueue, serializer: Serializer) + where Value == Serializer.SerializedObject { + self.request = request + responseHandler = { request.response(queue: queue, responseSerializer: serializer, completionHandler: $0) } + } + + /// Creates an instance which will serialize responses using the provided `DownloadResponseSerializerProtocol` value. + /// + /// - Parameters: + /// - request: `DownloadRequest` for which to publish the response. + /// - queue: `DispatchQueue` on which the `DataResponse` value will be published. `.main` by default. + /// - serializer: `DownloadResponseSerializerProtocol` used to produce the published `DownloadResponse`. + @available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) + public init(_ request: DownloadRequest, + queue: DispatchQueue, + serializer: Serializer) + where Value == Serializer.SerializedObject { + self.request = request + responseHandler = { request.response(queue: queue, responseSerializer: serializer, completionHandler: $0) } + } + + /// Publishes only the `Result` of the `DownloadResponse` value. + /// + /// - Returns: The `AnyPublisher` publishing the `Result` value. + public func result() -> AnyPublisher, Never> { + map { $0.result }.eraseToAnyPublisher() + } + + /// Publishes the `Result` of the `DownloadResponse` as a single `Value` or fail with the `AFError` instance. + /// + /// - Returns: The `AnyPublisher` publishing the stream. + public func value() -> AnyPublisher { + setFailureType(to: AFError.self).flatMap { $0.result.publisher }.eraseToAnyPublisher() + } + + public func receive(subscriber: S) where S: Subscriber, DownloadResponsePublisher.Failure == S.Failure, DownloadResponsePublisher.Output == S.Input { + subscriber.receive(subscription: Inner(request: request, + responseHandler: responseHandler, + downstream: subscriber)) + } + + private final class Inner: Subscription, Cancellable + where Downstream.Input == Output { + typealias Failure = Downstream.Failure + + @Protected + private var downstream: Downstream? + private let request: DownloadRequest + private let responseHandler: Handler + + init(request: DownloadRequest, responseHandler: @escaping Handler, downstream: Downstream) { + self.request = request + self.responseHandler = responseHandler + self.downstream = downstream + } + + func request(_ demand: Subscribers.Demand) { + assert(demand > 0) + + guard let downstream = downstream else { return } + + self.downstream = nil + responseHandler { response in + _ = downstream.receive(response) + downstream.receive(completion: .finished) + }.resume() + } + + func cancel() { + request.cancel() + downstream = nil + } + } +} + +extension DownloadRequest { + /// Creates a `DownloadResponsePublisher` for this instance using the given `ResponseSerializer` and `DispatchQueue`. + /// + /// - Parameters: + /// - serializer: `ResponseSerializer` used to serialize the response `Data` from disk. + /// - queue: `DispatchQueue` on which the `DownloadResponse` will be published.`.main` by default. + /// + /// - Returns: The `DownloadResponsePublisher`. + @available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) + public func publishResponse(using serializer: Serializer, on queue: DispatchQueue = .main) -> DownloadResponsePublisher + where Serializer.SerializedObject == T { + DownloadResponsePublisher(self, queue: queue, serializer: serializer) + } + + /// Creates a `DownloadResponsePublisher` for this instance using the given `DownloadResponseSerializerProtocol` and + /// `DispatchQueue`. + /// + /// - Parameters: + /// - serializer: `DownloadResponseSerializer` used to serialize the response `Data` from disk. + /// - queue: `DispatchQueue` on which the `DownloadResponse` will be published.`.main` by default. + /// + /// - Returns: The `DownloadResponsePublisher`. + @available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) + public func publishResponse(using serializer: Serializer, on queue: DispatchQueue = .main) -> DownloadResponsePublisher + where Serializer.SerializedObject == T { + DownloadResponsePublisher(self, queue: queue, serializer: serializer) + } + + /// Creates a `DataResponsePublisher` for this instance and uses a `DataResponseSerializer` to serialize the + /// response. + /// + /// - Parameters: + /// - queue: `DispatchQueue` on which the `DataResponse` will be published. `.main` by default. + /// - preprocessor: `DataPreprocessor` which filters the `Data` before serialization. `PassthroughPreprocessor()` + /// by default. + /// - emptyResponseCodes: `Set` of HTTP status codes for which empty responses are allowed. `[204, 205]` by + /// default. + /// - emptyRequestMethods: `Set` of `HTTPMethod`s for which empty responses are allowed, regardless of + /// status code. `[.head]` by default. + /// - Returns: The `DownloadResponsePublisher`. + @available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) + public func publishData(queue: DispatchQueue = .main, + preprocessor: DataPreprocessor = DataResponseSerializer.defaultDataPreprocessor, + emptyResponseCodes: Set = DataResponseSerializer.defaultEmptyResponseCodes, + emptyRequestMethods: Set = DataResponseSerializer.defaultEmptyRequestMethods) -> DownloadResponsePublisher { + publishResponse(using: DataResponseSerializer(dataPreprocessor: preprocessor, + emptyResponseCodes: emptyResponseCodes, + emptyRequestMethods: emptyRequestMethods), + on: queue) + } + + /// Creates a `DataResponsePublisher` for this instance and uses a `StringResponseSerializer` to serialize the + /// response. + /// + /// - Parameters: + /// - queue: `DispatchQueue` on which the `DataResponse` will be published. `.main` by default. + /// - preprocessor: `DataPreprocessor` which filters the `Data` before serialization. `PassthroughPreprocessor()` + /// by default. + /// - encoding: `String.Encoding` to parse the response. `nil` by default, in which case the encoding + /// will be determined by the server response, falling back to the default HTTP character + /// set, `ISO-8859-1`. + /// - emptyResponseCodes: `Set` of HTTP status codes for which empty responses are allowed. `[204, 205]` by + /// default. + /// - emptyRequestMethods: `Set` of `HTTPMethod`s for which empty responses are allowed, regardless of + /// status code. `[.head]` by default. + /// + /// - Returns: The `DownloadResponsePublisher`. + @available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) + public func publishString(queue: DispatchQueue = .main, + preprocessor: DataPreprocessor = StringResponseSerializer.defaultDataPreprocessor, + encoding: String.Encoding? = nil, + emptyResponseCodes: Set = StringResponseSerializer.defaultEmptyResponseCodes, + emptyRequestMethods: Set = StringResponseSerializer.defaultEmptyRequestMethods) -> DownloadResponsePublisher { + publishResponse(using: StringResponseSerializer(dataPreprocessor: preprocessor, + encoding: encoding, + emptyResponseCodes: emptyResponseCodes, + emptyRequestMethods: emptyRequestMethods), + on: queue) + } + + /// Creates a `DataResponsePublisher` for this instance and uses a `DecodableResponseSerializer` to serialize the + /// response. + /// + /// - Parameters: + /// - type: `Decodable` type to which to decode response `Data`. Inferred from the context by default. + /// - queue: `DispatchQueue` on which the `DataResponse` will be published. `.main` by default. + /// - preprocessor: `DataPreprocessor` which filters the `Data` before serialization. `PassthroughPreprocessor()` + /// by default. + /// - decoder: `DataDecoder` instance used to decode response `Data`. `JSONDecoder()` by default. + /// - emptyResponseCodes: `Set` of HTTP status codes for which empty responses are allowed. `[204, 205]` by + /// default. + /// - emptyRequestMethods: `Set` of `HTTPMethod`s for which empty responses are allowed, regardless of + /// status code. `[.head]` by default. + /// + /// - Returns: The `DownloadResponsePublisher`. + @available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) + public func publishDecodable(type: T.Type = T.self, + queue: DispatchQueue = .main, + preprocessor: DataPreprocessor = DecodableResponseSerializer.defaultDataPreprocessor, + decoder: DataDecoder = JSONDecoder(), + emptyResponseCodes: Set = DecodableResponseSerializer.defaultEmptyResponseCodes, + emptyResponseMethods: Set = DecodableResponseSerializer.defaultEmptyRequestMethods) -> DownloadResponsePublisher { + publishResponse(using: DecodableResponseSerializer(dataPreprocessor: preprocessor, + decoder: decoder, + emptyResponseCodes: emptyResponseCodes, + emptyRequestMethods: emptyResponseMethods), + on: queue) + } +} + +@available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) +extension DownloadResponsePublisher where Value == URL? { + /// Creates an instance which publishes a `DownloadResponse` value without serialization. + @available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) + public init(_ request: DownloadRequest, queue: DispatchQueue) { + self.request = request + responseHandler = { request.response(queue: queue, completionHandler: $0) } + } +} + +extension DownloadRequest { + /// Creates a `DownloadResponsePublisher` for this instance which does not serialize the response before publishing. + /// + /// - Parameter queue: `DispatchQueue` on which the `DownloadResponse` will be published. `.main` by default. + /// + /// - Returns: The `DownloadResponsePublisher`. + @available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *) + public func publishUnserialized(on queue: DispatchQueue = .main) -> DownloadResponsePublisher { + DownloadResponsePublisher(self, queue: queue) + } +} + +#endif diff --git a/Pods/Alamofire/Source/DispatchQueue+Alamofire.swift b/Pods/Alamofire/Source/DispatchQueue+Alamofire.swift new file mode 100644 index 0000000..10cd273 --- /dev/null +++ b/Pods/Alamofire/Source/DispatchQueue+Alamofire.swift @@ -0,0 +1,37 @@ +// +// DispatchQueue+Alamofire.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Dispatch +import Foundation + +extension DispatchQueue { + /// Execute the provided closure after a `TimeInterval`. + /// + /// - Parameters: + /// - delay: `TimeInterval` to delay execution. + /// - closure: Closure to execute. + func after(_ delay: TimeInterval, execute closure: @escaping () -> Void) { + asyncAfter(deadline: .now() + delay, execute: closure) + } +} diff --git a/Pods/Alamofire/Source/EventMonitor.swift b/Pods/Alamofire/Source/EventMonitor.swift new file mode 100644 index 0000000..3a6c777 --- /dev/null +++ b/Pods/Alamofire/Source/EventMonitor.swift @@ -0,0 +1,892 @@ +// +// EventMonitor.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +/// Protocol outlining the lifetime events inside Alamofire. It includes both events received from the various +/// `URLSession` delegate protocols as well as various events from the lifetime of `Request` and its subclasses. +public protocol EventMonitor { + /// The `DispatchQueue` onto which Alamofire's root `CompositeEventMonitor` will dispatch events. `.main` by default. + var queue: DispatchQueue { get } + + // MARK: - URLSession Events + + // MARK: URLSessionDelegate Events + + /// Event called during `URLSessionDelegate`'s `urlSession(_:didBecomeInvalidWithError:)` method. + func urlSession(_ session: URLSession, didBecomeInvalidWithError error: Error?) + + // MARK: URLSessionTaskDelegate Events + + /// Event called during `URLSessionTaskDelegate`'s `urlSession(_:task:didReceive:completionHandler:)` method. + func urlSession(_ session: URLSession, task: URLSessionTask, didReceive challenge: URLAuthenticationChallenge) + + /// Event called during `URLSessionTaskDelegate`'s `urlSession(_:task:didSendBodyData:totalBytesSent:totalBytesExpectedToSend:)` method. + func urlSession(_ session: URLSession, + task: URLSessionTask, + didSendBodyData bytesSent: Int64, + totalBytesSent: Int64, + totalBytesExpectedToSend: Int64) + + /// Event called during `URLSessionTaskDelegate`'s `urlSession(_:task:needNewBodyStream:)` method. + func urlSession(_ session: URLSession, taskNeedsNewBodyStream task: URLSessionTask) + + /// Event called during `URLSessionTaskDelegate`'s `urlSession(_:task:willPerformHTTPRedirection:newRequest:completionHandler:)` method. + func urlSession(_ session: URLSession, + task: URLSessionTask, + willPerformHTTPRedirection response: HTTPURLResponse, + newRequest request: URLRequest) + + /// Event called during `URLSessionTaskDelegate`'s `urlSession(_:task:didFinishCollecting:)` method. + func urlSession(_ session: URLSession, task: URLSessionTask, didFinishCollecting metrics: URLSessionTaskMetrics) + + /// Event called during `URLSessionTaskDelegate`'s `urlSession(_:task:didCompleteWithError:)` method. + func urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?) + + /// Event called during `URLSessionTaskDelegate`'s `urlSession(_:taskIsWaitingForConnectivity:)` method. + @available(macOS 10.13, iOS 11.0, tvOS 11.0, watchOS 4.0, *) + func urlSession(_ session: URLSession, taskIsWaitingForConnectivity task: URLSessionTask) + + // MARK: URLSessionDataDelegate Events + + /// Event called during `URLSessionDataDelegate`'s `urlSession(_:dataTask:didReceive:)` method. + func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive data: Data) + + /// Event called during `URLSessionDataDelegate`'s `urlSession(_:dataTask:willCacheResponse:completionHandler:)` method. + func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, willCacheResponse proposedResponse: CachedURLResponse) + + // MARK: URLSessionDownloadDelegate Events + + /// Event called during `URLSessionDownloadDelegate`'s `urlSession(_:downloadTask:didResumeAtOffset:expectedTotalBytes:)` method. + func urlSession(_ session: URLSession, + downloadTask: URLSessionDownloadTask, + didResumeAtOffset fileOffset: Int64, + expectedTotalBytes: Int64) + + /// Event called during `URLSessionDownloadDelegate`'s `urlSession(_:downloadTask:didWriteData:totalBytesWritten:totalBytesExpectedToWrite:)` method. + func urlSession(_ session: URLSession, + downloadTask: URLSessionDownloadTask, + didWriteData bytesWritten: Int64, + totalBytesWritten: Int64, + totalBytesExpectedToWrite: Int64) + + /// Event called during `URLSessionDownloadDelegate`'s `urlSession(_:downloadTask:didFinishDownloadingTo:)` method. + func urlSession(_ session: URLSession, downloadTask: URLSessionDownloadTask, didFinishDownloadingTo location: URL) + + // MARK: - Request Events + + /// Event called when a `URLRequest` is first created for a `Request`. If a `RequestAdapter` is active, the + /// `URLRequest` will be adapted before being issued. + func request(_ request: Request, didCreateInitialURLRequest urlRequest: URLRequest) + + /// Event called when the attempt to create a `URLRequest` from a `Request`'s original `URLRequestConvertible` value fails. + func request(_ request: Request, didFailToCreateURLRequestWithError error: AFError) + + /// Event called when a `RequestAdapter` adapts the `Request`'s initial `URLRequest`. + func request(_ request: Request, didAdaptInitialRequest initialRequest: URLRequest, to adaptedRequest: URLRequest) + + /// Event called when a `RequestAdapter` fails to adapt the `Request`'s initial `URLRequest`. + func request(_ request: Request, didFailToAdaptURLRequest initialRequest: URLRequest, withError error: AFError) + + /// Event called when a final `URLRequest` is created for a `Request`. + func request(_ request: Request, didCreateURLRequest urlRequest: URLRequest) + + /// Event called when a `URLSessionTask` subclass instance is created for a `Request`. + func request(_ request: Request, didCreateTask task: URLSessionTask) + + /// Event called when a `Request` receives a `URLSessionTaskMetrics` value. + func request(_ request: Request, didGatherMetrics metrics: URLSessionTaskMetrics) + + /// Event called when a `Request` fails due to an error created by Alamofire. e.g. When certificate pinning fails. + func request(_ request: Request, didFailTask task: URLSessionTask, earlyWithError error: AFError) + + /// Event called when a `Request`'s task completes, possibly with an error. A `Request` may receive this event + /// multiple times if it is retried. + func request(_ request: Request, didCompleteTask task: URLSessionTask, with error: AFError?) + + /// Event called when a `Request` is about to be retried. + func requestIsRetrying(_ request: Request) + + /// Event called when a `Request` finishes and response serializers are being called. + func requestDidFinish(_ request: Request) + + /// Event called when a `Request` receives a `resume` call. + func requestDidResume(_ request: Request) + + /// Event called when a `Request`'s associated `URLSessionTask` is resumed. + func request(_ request: Request, didResumeTask task: URLSessionTask) + + /// Event called when a `Request` receives a `suspend` call. + func requestDidSuspend(_ request: Request) + + /// Event called when a `Request`'s associated `URLSessionTask` is suspended. + func request(_ request: Request, didSuspendTask task: URLSessionTask) + + /// Event called when a `Request` receives a `cancel` call. + func requestDidCancel(_ request: Request) + + /// Event called when a `Request`'s associated `URLSessionTask` is cancelled. + func request(_ request: Request, didCancelTask task: URLSessionTask) + + // MARK: DataRequest Events + + /// Event called when a `DataRequest` calls a `Validation`. + func request(_ request: DataRequest, + didValidateRequest urlRequest: URLRequest?, + response: HTTPURLResponse, + data: Data?, + withResult result: Request.ValidationResult) + + /// Event called when a `DataRequest` creates a `DataResponse` value without calling a `ResponseSerializer`. + func request(_ request: DataRequest, didParseResponse response: DataResponse) + + /// Event called when a `DataRequest` calls a `ResponseSerializer` and creates a generic `DataResponse`. + func request(_ request: DataRequest, didParseResponse response: DataResponse) + + // MARK: DataStreamRequest Events + + /// Event called when a `DataStreamRequest` calls a `Validation` closure. + /// + /// - Parameters: + /// - request: `DataStreamRequest` which is calling the `Validation`. + /// - urlRequest: `URLRequest` of the request being validated. + /// - response: `HTTPURLResponse` of the request being validated. + /// - result: Produced `ValidationResult`. + func request(_ request: DataStreamRequest, + didValidateRequest urlRequest: URLRequest?, + response: HTTPURLResponse, + withResult result: Request.ValidationResult) + + /// Event called when a `DataStreamSerializer` produces a value from streamed `Data`. + /// + /// - Parameters: + /// - request: `DataStreamRequest` for which the value was serialized. + /// - result: `Result` of the serialization attempt. + func request(_ request: DataStreamRequest, didParseStream result: Result) + + // MARK: UploadRequest Events + + /// Event called when an `UploadRequest` creates its `Uploadable` value, indicating the type of upload it represents. + func request(_ request: UploadRequest, didCreateUploadable uploadable: UploadRequest.Uploadable) + + /// Event called when an `UploadRequest` failed to create its `Uploadable` value due to an error. + func request(_ request: UploadRequest, didFailToCreateUploadableWithError error: AFError) + + /// Event called when an `UploadRequest` provides the `InputStream` from its `Uploadable` value. This only occurs if + /// the `InputStream` does not wrap a `Data` value or file `URL`. + func request(_ request: UploadRequest, didProvideInputStream stream: InputStream) + + // MARK: DownloadRequest Events + + /// Event called when a `DownloadRequest`'s `URLSessionDownloadTask` finishes and the temporary file has been moved. + func request(_ request: DownloadRequest, didFinishDownloadingUsing task: URLSessionTask, with result: Result) + + /// Event called when a `DownloadRequest`'s `Destination` closure is called and creates the destination URL the + /// downloaded file will be moved to. + func request(_ request: DownloadRequest, didCreateDestinationURL url: URL) + + /// Event called when a `DownloadRequest` calls a `Validation`. + func request(_ request: DownloadRequest, + didValidateRequest urlRequest: URLRequest?, + response: HTTPURLResponse, + fileURL: URL?, + withResult result: Request.ValidationResult) + + /// Event called when a `DownloadRequest` creates a `DownloadResponse` without calling a `ResponseSerializer`. + func request(_ request: DownloadRequest, didParseResponse response: DownloadResponse) + + /// Event called when a `DownloadRequest` calls a `DownloadResponseSerializer` and creates a generic `DownloadResponse` + func request(_ request: DownloadRequest, didParseResponse response: DownloadResponse) +} + +extension EventMonitor { + /// The default queue on which `CompositeEventMonitor`s will call the `EventMonitor` methods. `.main` by default. + public var queue: DispatchQueue { .main } + + // MARK: Default Implementations + + public func urlSession(_ session: URLSession, didBecomeInvalidWithError error: Error?) {} + public func urlSession(_ session: URLSession, + task: URLSessionTask, + didReceive challenge: URLAuthenticationChallenge) {} + public func urlSession(_ session: URLSession, + task: URLSessionTask, + didSendBodyData bytesSent: Int64, + totalBytesSent: Int64, + totalBytesExpectedToSend: Int64) {} + public func urlSession(_ session: URLSession, taskNeedsNewBodyStream task: URLSessionTask) {} + public func urlSession(_ session: URLSession, + task: URLSessionTask, + willPerformHTTPRedirection response: HTTPURLResponse, + newRequest request: URLRequest) {} + public func urlSession(_ session: URLSession, + task: URLSessionTask, + didFinishCollecting metrics: URLSessionTaskMetrics) {} + public func urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?) {} + public func urlSession(_ session: URLSession, taskIsWaitingForConnectivity task: URLSessionTask) {} + public func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive data: Data) {} + public func urlSession(_ session: URLSession, + dataTask: URLSessionDataTask, + willCacheResponse proposedResponse: CachedURLResponse) {} + public func urlSession(_ session: URLSession, + downloadTask: URLSessionDownloadTask, + didResumeAtOffset fileOffset: Int64, + expectedTotalBytes: Int64) {} + public func urlSession(_ session: URLSession, + downloadTask: URLSessionDownloadTask, + didWriteData bytesWritten: Int64, + totalBytesWritten: Int64, + totalBytesExpectedToWrite: Int64) {} + public func urlSession(_ session: URLSession, + downloadTask: URLSessionDownloadTask, + didFinishDownloadingTo location: URL) {} + public func request(_ request: Request, didCreateInitialURLRequest urlRequest: URLRequest) {} + public func request(_ request: Request, didFailToCreateURLRequestWithError error: AFError) {} + public func request(_ request: Request, + didAdaptInitialRequest initialRequest: URLRequest, + to adaptedRequest: URLRequest) {} + public func request(_ request: Request, + didFailToAdaptURLRequest initialRequest: URLRequest, + withError error: AFError) {} + public func request(_ request: Request, didCreateURLRequest urlRequest: URLRequest) {} + public func request(_ request: Request, didCreateTask task: URLSessionTask) {} + public func request(_ request: Request, didGatherMetrics metrics: URLSessionTaskMetrics) {} + public func request(_ request: Request, didFailTask task: URLSessionTask, earlyWithError error: AFError) {} + public func request(_ request: Request, didCompleteTask task: URLSessionTask, with error: AFError?) {} + public func requestIsRetrying(_ request: Request) {} + public func requestDidFinish(_ request: Request) {} + public func requestDidResume(_ request: Request) {} + public func request(_ request: Request, didResumeTask task: URLSessionTask) {} + public func requestDidSuspend(_ request: Request) {} + public func request(_ request: Request, didSuspendTask task: URLSessionTask) {} + public func requestDidCancel(_ request: Request) {} + public func request(_ request: Request, didCancelTask task: URLSessionTask) {} + public func request(_ request: DataRequest, + didValidateRequest urlRequest: URLRequest?, + response: HTTPURLResponse, + data: Data?, + withResult result: Request.ValidationResult) {} + public func request(_ request: DataRequest, didParseResponse response: DataResponse) {} + public func request(_ request: DataRequest, didParseResponse response: DataResponse) {} + public func request(_ request: DataStreamRequest, + didValidateRequest urlRequest: URLRequest?, + response: HTTPURLResponse, + withResult result: Request.ValidationResult) {} + public func request(_ request: DataStreamRequest, didParseStream result: Result) {} + public func request(_ request: UploadRequest, didCreateUploadable uploadable: UploadRequest.Uploadable) {} + public func request(_ request: UploadRequest, didFailToCreateUploadableWithError error: AFError) {} + public func request(_ request: UploadRequest, didProvideInputStream stream: InputStream) {} + public func request(_ request: DownloadRequest, didFinishDownloadingUsing task: URLSessionTask, with result: Result) {} + public func request(_ request: DownloadRequest, didCreateDestinationURL url: URL) {} + public func request(_ request: DownloadRequest, + didValidateRequest urlRequest: URLRequest?, + response: HTTPURLResponse, + fileURL: URL?, + withResult result: Request.ValidationResult) {} + public func request(_ request: DownloadRequest, didParseResponse response: DownloadResponse) {} + public func request(_ request: DownloadRequest, didParseResponse response: DownloadResponse) {} +} + +/// An `EventMonitor` which can contain multiple `EventMonitor`s and calls their methods on their queues. +public final class CompositeEventMonitor: EventMonitor { + public let queue = DispatchQueue(label: "org.alamofire.compositeEventMonitor", qos: .background) + + let monitors: [EventMonitor] + + init(monitors: [EventMonitor]) { + self.monitors = monitors + } + + func performEvent(_ event: @escaping (EventMonitor) -> Void) { + queue.async { + for monitor in self.monitors { + monitor.queue.async { event(monitor) } + } + } + } + + public func urlSession(_ session: URLSession, didBecomeInvalidWithError error: Error?) { + performEvent { $0.urlSession(session, didBecomeInvalidWithError: error) } + } + + public func urlSession(_ session: URLSession, + task: URLSessionTask, + didReceive challenge: URLAuthenticationChallenge) { + performEvent { $0.urlSession(session, task: task, didReceive: challenge) } + } + + public func urlSession(_ session: URLSession, + task: URLSessionTask, + didSendBodyData bytesSent: Int64, + totalBytesSent: Int64, + totalBytesExpectedToSend: Int64) { + performEvent { + $0.urlSession(session, + task: task, + didSendBodyData: bytesSent, + totalBytesSent: totalBytesSent, + totalBytesExpectedToSend: totalBytesExpectedToSend) + } + } + + public func urlSession(_ session: URLSession, taskNeedsNewBodyStream task: URLSessionTask) { + performEvent { + $0.urlSession(session, taskNeedsNewBodyStream: task) + } + } + + public func urlSession(_ session: URLSession, + task: URLSessionTask, + willPerformHTTPRedirection response: HTTPURLResponse, + newRequest request: URLRequest) { + performEvent { + $0.urlSession(session, + task: task, + willPerformHTTPRedirection: response, + newRequest: request) + } + } + + public func urlSession(_ session: URLSession, task: URLSessionTask, didFinishCollecting metrics: URLSessionTaskMetrics) { + performEvent { $0.urlSession(session, task: task, didFinishCollecting: metrics) } + } + + public func urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?) { + performEvent { $0.urlSession(session, task: task, didCompleteWithError: error) } + } + + @available(macOS 10.13, iOS 11.0, tvOS 11.0, watchOS 4.0, *) + public func urlSession(_ session: URLSession, taskIsWaitingForConnectivity task: URLSessionTask) { + performEvent { $0.urlSession(session, taskIsWaitingForConnectivity: task) } + } + + public func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive data: Data) { + performEvent { $0.urlSession(session, dataTask: dataTask, didReceive: data) } + } + + public func urlSession(_ session: URLSession, + dataTask: URLSessionDataTask, + willCacheResponse proposedResponse: CachedURLResponse) { + performEvent { $0.urlSession(session, dataTask: dataTask, willCacheResponse: proposedResponse) } + } + + public func urlSession(_ session: URLSession, + downloadTask: URLSessionDownloadTask, + didResumeAtOffset fileOffset: Int64, + expectedTotalBytes: Int64) { + performEvent { + $0.urlSession(session, + downloadTask: downloadTask, + didResumeAtOffset: fileOffset, + expectedTotalBytes: expectedTotalBytes) + } + } + + public func urlSession(_ session: URLSession, + downloadTask: URLSessionDownloadTask, + didWriteData bytesWritten: Int64, + totalBytesWritten: Int64, + totalBytesExpectedToWrite: Int64) { + performEvent { + $0.urlSession(session, + downloadTask: downloadTask, + didWriteData: bytesWritten, + totalBytesWritten: totalBytesWritten, + totalBytesExpectedToWrite: totalBytesExpectedToWrite) + } + } + + public func urlSession(_ session: URLSession, + downloadTask: URLSessionDownloadTask, + didFinishDownloadingTo location: URL) { + performEvent { $0.urlSession(session, downloadTask: downloadTask, didFinishDownloadingTo: location) } + } + + public func request(_ request: Request, didCreateInitialURLRequest urlRequest: URLRequest) { + performEvent { $0.request(request, didCreateInitialURLRequest: urlRequest) } + } + + public func request(_ request: Request, didFailToCreateURLRequestWithError error: AFError) { + performEvent { $0.request(request, didFailToCreateURLRequestWithError: error) } + } + + public func request(_ request: Request, didAdaptInitialRequest initialRequest: URLRequest, to adaptedRequest: URLRequest) { + performEvent { $0.request(request, didAdaptInitialRequest: initialRequest, to: adaptedRequest) } + } + + public func request(_ request: Request, didFailToAdaptURLRequest initialRequest: URLRequest, withError error: AFError) { + performEvent { $0.request(request, didFailToAdaptURLRequest: initialRequest, withError: error) } + } + + public func request(_ request: Request, didCreateURLRequest urlRequest: URLRequest) { + performEvent { $0.request(request, didCreateURLRequest: urlRequest) } + } + + public func request(_ request: Request, didCreateTask task: URLSessionTask) { + performEvent { $0.request(request, didCreateTask: task) } + } + + public func request(_ request: Request, didGatherMetrics metrics: URLSessionTaskMetrics) { + performEvent { $0.request(request, didGatherMetrics: metrics) } + } + + public func request(_ request: Request, didFailTask task: URLSessionTask, earlyWithError error: AFError) { + performEvent { $0.request(request, didFailTask: task, earlyWithError: error) } + } + + public func request(_ request: Request, didCompleteTask task: URLSessionTask, with error: AFError?) { + performEvent { $0.request(request, didCompleteTask: task, with: error) } + } + + public func requestIsRetrying(_ request: Request) { + performEvent { $0.requestIsRetrying(request) } + } + + public func requestDidFinish(_ request: Request) { + performEvent { $0.requestDidFinish(request) } + } + + public func requestDidResume(_ request: Request) { + performEvent { $0.requestDidResume(request) } + } + + public func request(_ request: Request, didResumeTask task: URLSessionTask) { + performEvent { $0.request(request, didResumeTask: task) } + } + + public func requestDidSuspend(_ request: Request) { + performEvent { $0.requestDidSuspend(request) } + } + + public func request(_ request: Request, didSuspendTask task: URLSessionTask) { + performEvent { $0.request(request, didSuspendTask: task) } + } + + public func requestDidCancel(_ request: Request) { + performEvent { $0.requestDidCancel(request) } + } + + public func request(_ request: Request, didCancelTask task: URLSessionTask) { + performEvent { $0.request(request, didCancelTask: task) } + } + + public func request(_ request: DataRequest, + didValidateRequest urlRequest: URLRequest?, + response: HTTPURLResponse, + data: Data?, + withResult result: Request.ValidationResult) { + performEvent { $0.request(request, + didValidateRequest: urlRequest, + response: response, + data: data, + withResult: result) + } + } + + public func request(_ request: DataRequest, didParseResponse response: DataResponse) { + performEvent { $0.request(request, didParseResponse: response) } + } + + public func request(_ request: DataRequest, didParseResponse response: DataResponse) { + performEvent { $0.request(request, didParseResponse: response) } + } + + public func request(_ request: DataStreamRequest, + didValidateRequest urlRequest: URLRequest?, + response: HTTPURLResponse, + withResult result: Request.ValidationResult) { + performEvent { $0.request(request, + didValidateRequest: urlRequest, + response: response, + withResult: result) + } + } + + public func request(_ request: DataStreamRequest, didParseStream result: Result) { + performEvent { $0.request(request, didParseStream: result) } + } + + public func request(_ request: UploadRequest, didCreateUploadable uploadable: UploadRequest.Uploadable) { + performEvent { $0.request(request, didCreateUploadable: uploadable) } + } + + public func request(_ request: UploadRequest, didFailToCreateUploadableWithError error: AFError) { + performEvent { $0.request(request, didFailToCreateUploadableWithError: error) } + } + + public func request(_ request: UploadRequest, didProvideInputStream stream: InputStream) { + performEvent { $0.request(request, didProvideInputStream: stream) } + } + + public func request(_ request: DownloadRequest, didFinishDownloadingUsing task: URLSessionTask, with result: Result) { + performEvent { $0.request(request, didFinishDownloadingUsing: task, with: result) } + } + + public func request(_ request: DownloadRequest, didCreateDestinationURL url: URL) { + performEvent { $0.request(request, didCreateDestinationURL: url) } + } + + public func request(_ request: DownloadRequest, + didValidateRequest urlRequest: URLRequest?, + response: HTTPURLResponse, + fileURL: URL?, + withResult result: Request.ValidationResult) { + performEvent { $0.request(request, + didValidateRequest: urlRequest, + response: response, + fileURL: fileURL, + withResult: result) } + } + + public func request(_ request: DownloadRequest, didParseResponse response: DownloadResponse) { + performEvent { $0.request(request, didParseResponse: response) } + } + + public func request(_ request: DownloadRequest, didParseResponse response: DownloadResponse) { + performEvent { $0.request(request, didParseResponse: response) } + } +} + +/// `EventMonitor` that allows optional closures to be set to receive events. +open class ClosureEventMonitor: EventMonitor { + /// Closure called on the `urlSession(_:didBecomeInvalidWithError:)` event. + open var sessionDidBecomeInvalidWithError: ((URLSession, Error?) -> Void)? + + /// Closure called on the `urlSession(_:task:didReceive:completionHandler:)`. + open var taskDidReceiveChallenge: ((URLSession, URLSessionTask, URLAuthenticationChallenge) -> Void)? + + /// Closure that receives `urlSession(_:task:didSendBodyData:totalBytesSent:totalBytesExpectedToSend:)` event. + open var taskDidSendBodyData: ((URLSession, URLSessionTask, Int64, Int64, Int64) -> Void)? + + /// Closure called on the `urlSession(_:task:needNewBodyStream:)` event. + open var taskNeedNewBodyStream: ((URLSession, URLSessionTask) -> Void)? + + /// Closure called on the `urlSession(_:task:willPerformHTTPRedirection:newRequest:completionHandler:)` event. + open var taskWillPerformHTTPRedirection: ((URLSession, URLSessionTask, HTTPURLResponse, URLRequest) -> Void)? + + /// Closure called on the `urlSession(_:task:didFinishCollecting:)` event. + open var taskDidFinishCollectingMetrics: ((URLSession, URLSessionTask, URLSessionTaskMetrics) -> Void)? + + /// Closure called on the `urlSession(_:task:didCompleteWithError:)` event. + open var taskDidComplete: ((URLSession, URLSessionTask, Error?) -> Void)? + + /// Closure called on the `urlSession(_:taskIsWaitingForConnectivity:)` event. + open var taskIsWaitingForConnectivity: ((URLSession, URLSessionTask) -> Void)? + + /// Closure that receives the `urlSession(_:dataTask:didReceive:)` event. + open var dataTaskDidReceiveData: ((URLSession, URLSessionDataTask, Data) -> Void)? + + /// Closure called on the `urlSession(_:dataTask:willCacheResponse:completionHandler:)` event. + open var dataTaskWillCacheResponse: ((URLSession, URLSessionDataTask, CachedURLResponse) -> Void)? + + /// Closure called on the `urlSession(_:downloadTask:didFinishDownloadingTo:)` event. + open var downloadTaskDidFinishDownloadingToURL: ((URLSession, URLSessionDownloadTask, URL) -> Void)? + + /// Closure called on the `urlSession(_:downloadTask:didWriteData:totalBytesWritten:totalBytesExpectedToWrite:)` + /// event. + open var downloadTaskDidWriteData: ((URLSession, URLSessionDownloadTask, Int64, Int64, Int64) -> Void)? + + /// Closure called on the `urlSession(_:downloadTask:didResumeAtOffset:expectedTotalBytes:)` event. + open var downloadTaskDidResumeAtOffset: ((URLSession, URLSessionDownloadTask, Int64, Int64) -> Void)? + + // MARK: - Request Events + + /// Closure called on the `request(_:didCreateInitialURLRequest:)` event. + open var requestDidCreateInitialURLRequest: ((Request, URLRequest) -> Void)? + + /// Closure called on the `request(_:didFailToCreateURLRequestWithError:)` event. + open var requestDidFailToCreateURLRequestWithError: ((Request, AFError) -> Void)? + + /// Closure called on the `request(_:didAdaptInitialRequest:to:)` event. + open var requestDidAdaptInitialRequestToAdaptedRequest: ((Request, URLRequest, URLRequest) -> Void)? + + /// Closure called on the `request(_:didFailToAdaptURLRequest:withError:)` event. + open var requestDidFailToAdaptURLRequestWithError: ((Request, URLRequest, AFError) -> Void)? + + /// Closure called on the `request(_:didCreateURLRequest:)` event. + open var requestDidCreateURLRequest: ((Request, URLRequest) -> Void)? + + /// Closure called on the `request(_:didCreateTask:)` event. + open var requestDidCreateTask: ((Request, URLSessionTask) -> Void)? + + /// Closure called on the `request(_:didGatherMetrics:)` event. + open var requestDidGatherMetrics: ((Request, URLSessionTaskMetrics) -> Void)? + + /// Closure called on the `request(_:didFailTask:earlyWithError:)` event. + open var requestDidFailTaskEarlyWithError: ((Request, URLSessionTask, AFError) -> Void)? + + /// Closure called on the `request(_:didCompleteTask:with:)` event. + open var requestDidCompleteTaskWithError: ((Request, URLSessionTask, AFError?) -> Void)? + + /// Closure called on the `requestIsRetrying(_:)` event. + open var requestIsRetrying: ((Request) -> Void)? + + /// Closure called on the `requestDidFinish(_:)` event. + open var requestDidFinish: ((Request) -> Void)? + + /// Closure called on the `requestDidResume(_:)` event. + open var requestDidResume: ((Request) -> Void)? + + /// Closure called on the `request(_:didResumeTask:)` event. + open var requestDidResumeTask: ((Request, URLSessionTask) -> Void)? + + /// Closure called on the `requestDidSuspend(_:)` event. + open var requestDidSuspend: ((Request) -> Void)? + + /// Closure called on the `request(_:didSuspendTask:)` event. + open var requestDidSuspendTask: ((Request, URLSessionTask) -> Void)? + + /// Closure called on the `requestDidCancel(_:)` event. + open var requestDidCancel: ((Request) -> Void)? + + /// Closure called on the `request(_:didCancelTask:)` event. + open var requestDidCancelTask: ((Request, URLSessionTask) -> Void)? + + /// Closure called on the `request(_:didValidateRequest:response:data:withResult:)` event. + open var requestDidValidateRequestResponseDataWithResult: ((DataRequest, URLRequest?, HTTPURLResponse, Data?, Request.ValidationResult) -> Void)? + + /// Closure called on the `request(_:didParseResponse:)` event. + open var requestDidParseResponse: ((DataRequest, DataResponse) -> Void)? + + /// Closure called on the `request(_:didValidateRequest:response:withResult:)` event. + open var requestDidValidateRequestResponseWithResult: ((DataStreamRequest, URLRequest?, HTTPURLResponse, Request.ValidationResult) -> Void)? + + /// Closure called on the `request(_:didCreateUploadable:)` event. + open var requestDidCreateUploadable: ((UploadRequest, UploadRequest.Uploadable) -> Void)? + + /// Closure called on the `request(_:didFailToCreateUploadableWithError:)` event. + open var requestDidFailToCreateUploadableWithError: ((UploadRequest, AFError) -> Void)? + + /// Closure called on the `request(_:didProvideInputStream:)` event. + open var requestDidProvideInputStream: ((UploadRequest, InputStream) -> Void)? + + /// Closure called on the `request(_:didFinishDownloadingUsing:with:)` event. + open var requestDidFinishDownloadingUsingTaskWithResult: ((DownloadRequest, URLSessionTask, Result) -> Void)? + + /// Closure called on the `request(_:didCreateDestinationURL:)` event. + open var requestDidCreateDestinationURL: ((DownloadRequest, URL) -> Void)? + + /// Closure called on the `request(_:didValidateRequest:response:temporaryURL:destinationURL:withResult:)` event. + open var requestDidValidateRequestResponseFileURLWithResult: ((DownloadRequest, URLRequest?, HTTPURLResponse, URL?, Request.ValidationResult) -> Void)? + + /// Closure called on the `request(_:didParseResponse:)` event. + open var requestDidParseDownloadResponse: ((DownloadRequest, DownloadResponse) -> Void)? + + public let queue: DispatchQueue + + /// Creates an instance using the provided queue. + /// + /// - Parameter queue: `DispatchQueue` on which events will fired. `.main` by default. + public init(queue: DispatchQueue = .main) { + self.queue = queue + } + + open func urlSession(_ session: URLSession, didBecomeInvalidWithError error: Error?) { + sessionDidBecomeInvalidWithError?(session, error) + } + + open func urlSession(_ session: URLSession, task: URLSessionTask, didReceive challenge: URLAuthenticationChallenge) { + taskDidReceiveChallenge?(session, task, challenge) + } + + open func urlSession(_ session: URLSession, + task: URLSessionTask, + didSendBodyData bytesSent: Int64, + totalBytesSent: Int64, + totalBytesExpectedToSend: Int64) { + taskDidSendBodyData?(session, task, bytesSent, totalBytesSent, totalBytesExpectedToSend) + } + + open func urlSession(_ session: URLSession, taskNeedsNewBodyStream task: URLSessionTask) { + taskNeedNewBodyStream?(session, task) + } + + open func urlSession(_ session: URLSession, + task: URLSessionTask, + willPerformHTTPRedirection response: HTTPURLResponse, + newRequest request: URLRequest) { + taskWillPerformHTTPRedirection?(session, task, response, request) + } + + open func urlSession(_ session: URLSession, task: URLSessionTask, didFinishCollecting metrics: URLSessionTaskMetrics) { + taskDidFinishCollectingMetrics?(session, task, metrics) + } + + open func urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?) { + taskDidComplete?(session, task, error) + } + + open func urlSession(_ session: URLSession, taskIsWaitingForConnectivity task: URLSessionTask) { + taskIsWaitingForConnectivity?(session, task) + } + + open func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive data: Data) { + dataTaskDidReceiveData?(session, dataTask, data) + } + + open func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, willCacheResponse proposedResponse: CachedURLResponse) { + dataTaskWillCacheResponse?(session, dataTask, proposedResponse) + } + + open func urlSession(_ session: URLSession, + downloadTask: URLSessionDownloadTask, + didResumeAtOffset fileOffset: Int64, + expectedTotalBytes: Int64) { + downloadTaskDidResumeAtOffset?(session, downloadTask, fileOffset, expectedTotalBytes) + } + + open func urlSession(_ session: URLSession, + downloadTask: URLSessionDownloadTask, + didWriteData bytesWritten: Int64, + totalBytesWritten: Int64, + totalBytesExpectedToWrite: Int64) { + downloadTaskDidWriteData?(session, downloadTask, bytesWritten, totalBytesWritten, totalBytesExpectedToWrite) + } + + open func urlSession(_ session: URLSession, downloadTask: URLSessionDownloadTask, didFinishDownloadingTo location: URL) { + downloadTaskDidFinishDownloadingToURL?(session, downloadTask, location) + } + + // MARK: Request Events + + open func request(_ request: Request, didCreateInitialURLRequest urlRequest: URLRequest) { + requestDidCreateInitialURLRequest?(request, urlRequest) + } + + open func request(_ request: Request, didFailToCreateURLRequestWithError error: AFError) { + requestDidFailToCreateURLRequestWithError?(request, error) + } + + open func request(_ request: Request, didAdaptInitialRequest initialRequest: URLRequest, to adaptedRequest: URLRequest) { + requestDidAdaptInitialRequestToAdaptedRequest?(request, initialRequest, adaptedRequest) + } + + open func request(_ request: Request, didFailToAdaptURLRequest initialRequest: URLRequest, withError error: AFError) { + requestDidFailToAdaptURLRequestWithError?(request, initialRequest, error) + } + + open func request(_ request: Request, didCreateURLRequest urlRequest: URLRequest) { + requestDidCreateURLRequest?(request, urlRequest) + } + + open func request(_ request: Request, didCreateTask task: URLSessionTask) { + requestDidCreateTask?(request, task) + } + + open func request(_ request: Request, didGatherMetrics metrics: URLSessionTaskMetrics) { + requestDidGatherMetrics?(request, metrics) + } + + open func request(_ request: Request, didFailTask task: URLSessionTask, earlyWithError error: AFError) { + requestDidFailTaskEarlyWithError?(request, task, error) + } + + open func request(_ request: Request, didCompleteTask task: URLSessionTask, with error: AFError?) { + requestDidCompleteTaskWithError?(request, task, error) + } + + open func requestIsRetrying(_ request: Request) { + requestIsRetrying?(request) + } + + open func requestDidFinish(_ request: Request) { + requestDidFinish?(request) + } + + open func requestDidResume(_ request: Request) { + requestDidResume?(request) + } + + public func request(_ request: Request, didResumeTask task: URLSessionTask) { + requestDidResumeTask?(request, task) + } + + open func requestDidSuspend(_ request: Request) { + requestDidSuspend?(request) + } + + public func request(_ request: Request, didSuspendTask task: URLSessionTask) { + requestDidSuspendTask?(request, task) + } + + open func requestDidCancel(_ request: Request) { + requestDidCancel?(request) + } + + public func request(_ request: Request, didCancelTask task: URLSessionTask) { + requestDidCancelTask?(request, task) + } + + open func request(_ request: DataRequest, + didValidateRequest urlRequest: URLRequest?, + response: HTTPURLResponse, + data: Data?, + withResult result: Request.ValidationResult) { + requestDidValidateRequestResponseDataWithResult?(request, urlRequest, response, data, result) + } + + open func request(_ request: DataRequest, didParseResponse response: DataResponse) { + requestDidParseResponse?(request, response) + } + + public func request(_ request: DataStreamRequest, didValidateRequest urlRequest: URLRequest?, response: HTTPURLResponse, withResult result: Request.ValidationResult) { + requestDidValidateRequestResponseWithResult?(request, urlRequest, response, result) + } + + open func request(_ request: UploadRequest, didCreateUploadable uploadable: UploadRequest.Uploadable) { + requestDidCreateUploadable?(request, uploadable) + } + + open func request(_ request: UploadRequest, didFailToCreateUploadableWithError error: AFError) { + requestDidFailToCreateUploadableWithError?(request, error) + } + + open func request(_ request: UploadRequest, didProvideInputStream stream: InputStream) { + requestDidProvideInputStream?(request, stream) + } + + open func request(_ request: DownloadRequest, didFinishDownloadingUsing task: URLSessionTask, with result: Result) { + requestDidFinishDownloadingUsingTaskWithResult?(request, task, result) + } + + open func request(_ request: DownloadRequest, didCreateDestinationURL url: URL) { + requestDidCreateDestinationURL?(request, url) + } + + open func request(_ request: DownloadRequest, + didValidateRequest urlRequest: URLRequest?, + response: HTTPURLResponse, + fileURL: URL?, + withResult result: Request.ValidationResult) { + requestDidValidateRequestResponseFileURLWithResult?(request, + urlRequest, + response, + fileURL, + result) + } + + open func request(_ request: DownloadRequest, didParseResponse response: DownloadResponse) { + requestDidParseDownloadResponse?(request, response) + } +} diff --git a/Pods/Alamofire/Source/HTTPHeaders.swift b/Pods/Alamofire/Source/HTTPHeaders.swift new file mode 100644 index 0000000..4c32704 --- /dev/null +++ b/Pods/Alamofire/Source/HTTPHeaders.swift @@ -0,0 +1,442 @@ +// +// HTTPHeaders.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +/// An order-preserving and case-insensitive representation of HTTP headers. +public struct HTTPHeaders { + private var headers: [HTTPHeader] = [] + + /// Creates an empty instance. + public init() {} + + /// Creates an instance from an array of `HTTPHeader`s. Duplicate case-insensitive names are collapsed into the last + /// name and value encountered. + public init(_ headers: [HTTPHeader]) { + self.init() + + headers.forEach { update($0) } + } + + /// Creates an instance from a `[String: String]`. Duplicate case-insensitive names are collapsed into the last name + /// and value encountered. + public init(_ dictionary: [String: String]) { + self.init() + + dictionary.forEach { update(HTTPHeader(name: $0.key, value: $0.value)) } + } + + /// Case-insensitively updates or appends an `HTTPHeader` into the instance using the provided `name` and `value`. + /// + /// - Parameters: + /// - name: The `HTTPHeader` name. + /// - value: The `HTTPHeader value. + public mutating func add(name: String, value: String) { + update(HTTPHeader(name: name, value: value)) + } + + /// Case-insensitively updates or appends the provided `HTTPHeader` into the instance. + /// + /// - Parameter header: The `HTTPHeader` to update or append. + public mutating func add(_ header: HTTPHeader) { + update(header) + } + + /// Case-insensitively updates or appends an `HTTPHeader` into the instance using the provided `name` and `value`. + /// + /// - Parameters: + /// - name: The `HTTPHeader` name. + /// - value: The `HTTPHeader value. + public mutating func update(name: String, value: String) { + update(HTTPHeader(name: name, value: value)) + } + + /// Case-insensitively updates or appends the provided `HTTPHeader` into the instance. + /// + /// - Parameter header: The `HTTPHeader` to update or append. + public mutating func update(_ header: HTTPHeader) { + guard let index = headers.index(of: header.name) else { + headers.append(header) + return + } + + headers.replaceSubrange(index...index, with: [header]) + } + + /// Case-insensitively removes an `HTTPHeader`, if it exists, from the instance. + /// + /// - Parameter name: The name of the `HTTPHeader` to remove. + public mutating func remove(name: String) { + guard let index = headers.index(of: name) else { return } + + headers.remove(at: index) + } + + /// Sort the current instance by header name. + public mutating func sort() { + headers.sort { $0.name < $1.name } + } + + /// Returns an instance sorted by header name. + /// + /// - Returns: A copy of the current instance sorted by name. + public func sorted() -> HTTPHeaders { + HTTPHeaders(headers.sorted { $0.name < $1.name }) + } + + /// Case-insensitively find a header's value by name. + /// + /// - Parameter name: The name of the header to search for, case-insensitively. + /// + /// - Returns: The value of header, if it exists. + public func value(for name: String) -> String? { + guard let index = headers.index(of: name) else { return nil } + + return headers[index].value + } + + /// Case-insensitively access the header with the given name. + /// + /// - Parameter name: The name of the header. + public subscript(_ name: String) -> String? { + get { value(for: name) } + set { + if let value = newValue { + update(name: name, value: value) + } else { + remove(name: name) + } + } + } + + /// The dictionary representation of all headers. + /// + /// This representation does not preserve the current order of the instance. + public var dictionary: [String: String] { + let namesAndValues = headers.map { ($0.name, $0.value) } + + return Dictionary(namesAndValues, uniquingKeysWith: { _, last in last }) + } +} + +extension HTTPHeaders: ExpressibleByDictionaryLiteral { + public init(dictionaryLiteral elements: (String, String)...) { + self.init() + + elements.forEach { update(name: $0.0, value: $0.1) } + } +} + +extension HTTPHeaders: ExpressibleByArrayLiteral { + public init(arrayLiteral elements: HTTPHeader...) { + self.init(elements) + } +} + +extension HTTPHeaders: Sequence { + public func makeIterator() -> IndexingIterator<[HTTPHeader]> { + headers.makeIterator() + } +} + +extension HTTPHeaders: Collection { + public var startIndex: Int { + headers.startIndex + } + + public var endIndex: Int { + headers.endIndex + } + + public subscript(position: Int) -> HTTPHeader { + headers[position] + } + + public func index(after i: Int) -> Int { + headers.index(after: i) + } +} + +extension HTTPHeaders: CustomStringConvertible { + public var description: String { + headers.map { $0.description } + .joined(separator: "\n") + } +} + +// MARK: - HTTPHeader + +/// A representation of a single HTTP header's name / value pair. +public struct HTTPHeader: Hashable { + /// Name of the header. + public let name: String + + /// Value of the header. + public let value: String + + /// Creates an instance from the given `name` and `value`. + /// + /// - Parameters: + /// - name: The name of the header. + /// - value: The value of the header. + public init(name: String, value: String) { + self.name = name + self.value = value + } +} + +extension HTTPHeader: CustomStringConvertible { + public var description: String { + "\(name): \(value)" + } +} + +extension HTTPHeader { + /// Returns an `Accept` header. + /// + /// - Parameter value: The `Accept` value. + /// - Returns: The header. + public static func accept(_ value: String) -> HTTPHeader { + HTTPHeader(name: "Accept", value: value) + } + + /// Returns an `Accept-Charset` header. + /// + /// - Parameter value: The `Accept-Charset` value. + /// - Returns: The header. + public static func acceptCharset(_ value: String) -> HTTPHeader { + HTTPHeader(name: "Accept-Charset", value: value) + } + + /// Returns an `Accept-Language` header. + /// + /// Alamofire offers a default Accept-Language header that accumulates and encodes the system's preferred languages. + /// Use `HTTPHeader.defaultAcceptLanguage`. + /// + /// - Parameter value: The `Accept-Language` value. + /// + /// - Returns: The header. + public static func acceptLanguage(_ value: String) -> HTTPHeader { + HTTPHeader(name: "Accept-Language", value: value) + } + + /// Returns an `Accept-Encoding` header. + /// + /// Alamofire offers a default accept encoding value that provides the most common values. Use + /// `HTTPHeader.defaultAcceptEncoding`. + /// + /// - Parameter value: The `Accept-Encoding` value. + /// + /// - Returns: The header + public static func acceptEncoding(_ value: String) -> HTTPHeader { + HTTPHeader(name: "Accept-Encoding", value: value) + } + + /// Returns a `Basic` `Authorization` header using the `username` and `password` provided. + /// + /// - Parameters: + /// - username: The username of the header. + /// - password: The password of the header. + /// + /// - Returns: The header. + public static func authorization(username: String, password: String) -> HTTPHeader { + let credential = Data("\(username):\(password)".utf8).base64EncodedString() + + return authorization("Basic \(credential)") + } + + /// Returns a `Bearer` `Authorization` header using the `bearerToken` provided + /// + /// - Parameter bearerToken: The bearer token. + /// + /// - Returns: The header. + public static func authorization(bearerToken: String) -> HTTPHeader { + authorization("Bearer \(bearerToken)") + } + + /// Returns an `Authorization` header. + /// + /// Alamofire provides built-in methods to produce `Authorization` headers. For a Basic `Authorization` header use + /// `HTTPHeader.authorization(username:password:)`. For a Bearer `Authorization` header, use + /// `HTTPHeader.authorization(bearerToken:)`. + /// + /// - Parameter value: The `Authorization` value. + /// + /// - Returns: The header. + public static func authorization(_ value: String) -> HTTPHeader { + HTTPHeader(name: "Authorization", value: value) + } + + /// Returns a `Content-Disposition` header. + /// + /// - Parameter value: The `Content-Disposition` value. + /// + /// - Returns: The header. + public static func contentDisposition(_ value: String) -> HTTPHeader { + HTTPHeader(name: "Content-Disposition", value: value) + } + + /// Returns a `Content-Type` header. + /// + /// All Alamofire `ParameterEncoding`s and `ParameterEncoder`s set the `Content-Type` of the request, so it may not be necessary to manually + /// set this value. + /// + /// - Parameter value: The `Content-Type` value. + /// + /// - Returns: The header. + public static func contentType(_ value: String) -> HTTPHeader { + HTTPHeader(name: "Content-Type", value: value) + } + + /// Returns a `User-Agent` header. + /// + /// - Parameter value: The `User-Agent` value. + /// + /// - Returns: The header. + public static func userAgent(_ value: String) -> HTTPHeader { + HTTPHeader(name: "User-Agent", value: value) + } +} + +extension Array where Element == HTTPHeader { + /// Case-insensitively finds the index of an `HTTPHeader` with the provided name, if it exists. + func index(of name: String) -> Int? { + let lowercasedName = name.lowercased() + return firstIndex { $0.name.lowercased() == lowercasedName } + } +} + +// MARK: - Defaults + +public extension HTTPHeaders { + /// The default set of `HTTPHeaders` used by Alamofire. Includes `Accept-Encoding`, `Accept-Language`, and + /// `User-Agent`. + static let `default`: HTTPHeaders = [.defaultAcceptEncoding, + .defaultAcceptLanguage, + .defaultUserAgent] +} + +extension HTTPHeader { + /// Returns Alamofire's default `Accept-Encoding` header, appropriate for the encodings supported by particular OS + /// versions. + /// + /// See the [Accept-Encoding HTTP header documentation](https://tools.ietf.org/html/rfc7230#section-4.2.3) . + public static let defaultAcceptEncoding: HTTPHeader = { + let encodings: [String] + if #available(iOS 11.0, macOS 10.13, tvOS 11.0, watchOS 4.0, *) { + encodings = ["br", "gzip", "deflate"] + } else { + encodings = ["gzip", "deflate"] + } + + return .acceptEncoding(encodings.qualityEncoded()) + }() + + /// Returns Alamofire's default `Accept-Language` header, generated by querying `Locale` for the user's + /// `preferredLanguages`. + /// + /// See the [Accept-Language HTTP header documentation](https://tools.ietf.org/html/rfc7231#section-5.3.5). + public static let defaultAcceptLanguage: HTTPHeader = { + .acceptLanguage(Locale.preferredLanguages.prefix(6).qualityEncoded()) + }() + + /// Returns Alamofire's default `User-Agent` header. + /// + /// See the [User-Agent header documentation](https://tools.ietf.org/html/rfc7231#section-5.5.3). + /// + /// Example: `iOS Example/1.0 (org.alamofire.iOS-Example; build:1; iOS 13.0.0) Alamofire/5.0.0` + public static let defaultUserAgent: HTTPHeader = { + let info = Bundle.main.infoDictionary + let executable = (info?[kCFBundleExecutableKey as String] as? String) ?? + (ProcessInfo.processInfo.arguments.first?.split(separator: "/").last.map(String.init)) ?? + "Unknown" + let bundle = info?[kCFBundleIdentifierKey as String] as? String ?? "Unknown" + let appVersion = info?["CFBundleShortVersionString"] as? String ?? "Unknown" + let appBuild = info?[kCFBundleVersionKey as String] as? String ?? "Unknown" + + let osNameVersion: String = { + let version = ProcessInfo.processInfo.operatingSystemVersion + let versionString = "\(version.majorVersion).\(version.minorVersion).\(version.patchVersion)" + let osName: String = { + #if os(iOS) + return "iOS" + #elseif os(watchOS) + return "watchOS" + #elseif os(tvOS) + return "tvOS" + #elseif os(macOS) + return "macOS" + #elseif os(Linux) + return "Linux" + #elseif os(Windows) + return "Windows" + #else + return "Unknown" + #endif + }() + + return "\(osName) \(versionString)" + }() + + let alamofireVersion = "Alamofire/\(version)" + + let userAgent = "\(executable)/\(appVersion) (\(bundle); build:\(appBuild); \(osNameVersion)) \(alamofireVersion)" + + return .userAgent(userAgent) + }() +} + +extension Collection where Element == String { + func qualityEncoded() -> String { + enumerated().map { index, encoding in + let quality = 1.0 - (Double(index) * 0.1) + return "\(encoding);q=\(quality)" + }.joined(separator: ", ") + } +} + +// MARK: - System Type Extensions + +extension URLRequest { + /// Returns `allHTTPHeaderFields` as `HTTPHeaders`. + public var headers: HTTPHeaders { + get { allHTTPHeaderFields.map(HTTPHeaders.init) ?? HTTPHeaders() } + set { allHTTPHeaderFields = newValue.dictionary } + } +} + +extension HTTPURLResponse { + /// Returns `allHeaderFields` as `HTTPHeaders`. + public var headers: HTTPHeaders { + (allHeaderFields as? [String: String]).map(HTTPHeaders.init) ?? HTTPHeaders() + } +} + +public extension URLSessionConfiguration { + /// Returns `httpAdditionalHeaders` as `HTTPHeaders`. + var headers: HTTPHeaders { + get { (httpAdditionalHeaders as? [String: String]).map(HTTPHeaders.init) ?? HTTPHeaders() } + set { httpAdditionalHeaders = newValue.dictionary } + } +} diff --git a/Pods/Alamofire/Source/HTTPMethod.swift b/Pods/Alamofire/Source/HTTPMethod.swift new file mode 100644 index 0000000..4867c1e --- /dev/null +++ b/Pods/Alamofire/Source/HTTPMethod.swift @@ -0,0 +1,54 @@ +// +// HTTPMethod.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +/// Type representing HTTP methods. Raw `String` value is stored and compared case-sensitively, so +/// `HTTPMethod.get != HTTPMethod(rawValue: "get")`. +/// +/// See https://tools.ietf.org/html/rfc7231#section-4.3 +public struct HTTPMethod: RawRepresentable, Equatable, Hashable { + /// `CONNECT` method. + public static let connect = HTTPMethod(rawValue: "CONNECT") + /// `DELETE` method. + public static let delete = HTTPMethod(rawValue: "DELETE") + /// `GET` method. + public static let get = HTTPMethod(rawValue: "GET") + /// `HEAD` method. + public static let head = HTTPMethod(rawValue: "HEAD") + /// `OPTIONS` method. + public static let options = HTTPMethod(rawValue: "OPTIONS") + /// `PATCH` method. + public static let patch = HTTPMethod(rawValue: "PATCH") + /// `POST` method. + public static let post = HTTPMethod(rawValue: "POST") + /// `PUT` method. + public static let put = HTTPMethod(rawValue: "PUT") + /// `TRACE` method. + public static let trace = HTTPMethod(rawValue: "TRACE") + + public let rawValue: String + + public init(rawValue: String) { + self.rawValue = rawValue + } +} diff --git a/Pods/Alamofire/Source/MultipartFormData.swift b/Pods/Alamofire/Source/MultipartFormData.swift new file mode 100644 index 0000000..e9ef6a6 --- /dev/null +++ b/Pods/Alamofire/Source/MultipartFormData.swift @@ -0,0 +1,547 @@ +// +// MultipartFormData.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +#if os(iOS) || os(watchOS) || os(tvOS) +import MobileCoreServices +#elseif os(macOS) +import CoreServices +#endif + +/// Constructs `multipart/form-data` for uploads within an HTTP or HTTPS body. There are currently two ways to encode +/// multipart form data. The first way is to encode the data directly in memory. This is very efficient, but can lead +/// to memory issues if the dataset is too large. The second way is designed for larger datasets and will write all the +/// data to a single file on disk with all the proper boundary segmentation. The second approach MUST be used for +/// larger datasets such as video content, otherwise your app may run out of memory when trying to encode the dataset. +/// +/// For more information on `multipart/form-data` in general, please refer to the RFC-2388 and RFC-2045 specs as well +/// and the w3 form documentation. +/// +/// - https://www.ietf.org/rfc/rfc2388.txt +/// - https://www.ietf.org/rfc/rfc2045.txt +/// - https://www.w3.org/TR/html401/interact/forms.html#h-17.13 +open class MultipartFormData { + // MARK: - Helper Types + + struct EncodingCharacters { + static let crlf = "\r\n" + } + + struct BoundaryGenerator { + enum BoundaryType { + case initial, encapsulated, final + } + + static func randomBoundary() -> String { + let first = UInt32.random(in: UInt32.min...UInt32.max) + let second = UInt32.random(in: UInt32.min...UInt32.max) + + return String(format: "alamofire.boundary.%08x%08x", first, second) + } + + static func boundaryData(forBoundaryType boundaryType: BoundaryType, boundary: String) -> Data { + let boundaryText: String + + switch boundaryType { + case .initial: + boundaryText = "--\(boundary)\(EncodingCharacters.crlf)" + case .encapsulated: + boundaryText = "\(EncodingCharacters.crlf)--\(boundary)\(EncodingCharacters.crlf)" + case .final: + boundaryText = "\(EncodingCharacters.crlf)--\(boundary)--\(EncodingCharacters.crlf)" + } + + return Data(boundaryText.utf8) + } + } + + class BodyPart { + let headers: HTTPHeaders + let bodyStream: InputStream + let bodyContentLength: UInt64 + var hasInitialBoundary = false + var hasFinalBoundary = false + + init(headers: HTTPHeaders, bodyStream: InputStream, bodyContentLength: UInt64) { + self.headers = headers + self.bodyStream = bodyStream + self.bodyContentLength = bodyContentLength + } + } + + // MARK: - Properties + + /// Default memory threshold used when encoding `MultipartFormData`, in bytes. + public static let encodingMemoryThreshold: UInt64 = 10_000_000 + + /// The `Content-Type` header value containing the boundary used to generate the `multipart/form-data`. + open lazy var contentType: String = "multipart/form-data; boundary=\(self.boundary)" + + /// The content length of all body parts used to generate the `multipart/form-data` not including the boundaries. + public var contentLength: UInt64 { bodyParts.reduce(0) { $0 + $1.bodyContentLength } } + + /// The boundary used to separate the body parts in the encoded form data. + public let boundary: String + + let fileManager: FileManager + + private var bodyParts: [BodyPart] + private var bodyPartError: AFError? + private let streamBufferSize: Int + + // MARK: - Lifecycle + + /// Creates an instance. + /// + /// - Parameters: + /// - fileManager: `FileManager` to use for file operations, if needed. + /// - boundary: Boundary `String` used to separate body parts. + public init(fileManager: FileManager = .default, boundary: String? = nil) { + self.fileManager = fileManager + self.boundary = boundary ?? BoundaryGenerator.randomBoundary() + bodyParts = [] + + // + // The optimal read/write buffer size in bytes for input and output streams is 1024 (1KB). For more + // information, please refer to the following article: + // - https://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/Streams/Articles/ReadingInputStreams.html + // + streamBufferSize = 1024 + } + + // MARK: - Body Parts + + /// Creates a body part from the data and appends it to the instance. + /// + /// The body part data will be encoded using the following format: + /// + /// - `Content-Disposition: form-data; name=#{name}; filename=#{filename}` (HTTP Header) + /// - `Content-Type: #{mimeType}` (HTTP Header) + /// - Encoded file data + /// - Multipart form boundary + /// + /// - Parameters: + /// - data: `Data` to encoding into the instance. + /// - name: Name to associate with the `Data` in the `Content-Disposition` HTTP header. + /// - fileName: Filename to associate with the `Data` in the `Content-Disposition` HTTP header. + /// - mimeType: MIME type to associate with the data in the `Content-Type` HTTP header. + public func append(_ data: Data, withName name: String, fileName: String? = nil, mimeType: String? = nil) { + let headers = contentHeaders(withName: name, fileName: fileName, mimeType: mimeType) + let stream = InputStream(data: data) + let length = UInt64(data.count) + + append(stream, withLength: length, headers: headers) + } + + /// Creates a body part from the file and appends it to the instance. + /// + /// The body part data will be encoded using the following format: + /// + /// - `Content-Disposition: form-data; name=#{name}; filename=#{generated filename}` (HTTP Header) + /// - `Content-Type: #{generated mimeType}` (HTTP Header) + /// - Encoded file data + /// - Multipart form boundary + /// + /// The filename in the `Content-Disposition` HTTP header is generated from the last path component of the + /// `fileURL`. The `Content-Type` HTTP header MIME type is generated by mapping the `fileURL` extension to the + /// system associated MIME type. + /// + /// - Parameters: + /// - fileURL: `URL` of the file whose content will be encoded into the instance. + /// - name: Name to associate with the file content in the `Content-Disposition` HTTP header. + public func append(_ fileURL: URL, withName name: String) { + let fileName = fileURL.lastPathComponent + let pathExtension = fileURL.pathExtension + + if !fileName.isEmpty && !pathExtension.isEmpty { + let mime = mimeType(forPathExtension: pathExtension) + append(fileURL, withName: name, fileName: fileName, mimeType: mime) + } else { + setBodyPartError(withReason: .bodyPartFilenameInvalid(in: fileURL)) + } + } + + /// Creates a body part from the file and appends it to the instance. + /// + /// The body part data will be encoded using the following format: + /// + /// - Content-Disposition: form-data; name=#{name}; filename=#{filename} (HTTP Header) + /// - Content-Type: #{mimeType} (HTTP Header) + /// - Encoded file data + /// - Multipart form boundary + /// + /// - Parameters: + /// - fileURL: `URL` of the file whose content will be encoded into the instance. + /// - name: Name to associate with the file content in the `Content-Disposition` HTTP header. + /// - fileName: Filename to associate with the file content in the `Content-Disposition` HTTP header. + /// - mimeType: MIME type to associate with the file content in the `Content-Type` HTTP header. + public func append(_ fileURL: URL, withName name: String, fileName: String, mimeType: String) { + let headers = contentHeaders(withName: name, fileName: fileName, mimeType: mimeType) + + //============================================================ + // Check 1 - is file URL? + //============================================================ + + guard fileURL.isFileURL else { + setBodyPartError(withReason: .bodyPartURLInvalid(url: fileURL)) + return + } + + //============================================================ + // Check 2 - is file URL reachable? + //============================================================ + + do { + let isReachable = try fileURL.checkPromisedItemIsReachable() + guard isReachable else { + setBodyPartError(withReason: .bodyPartFileNotReachable(at: fileURL)) + return + } + } catch { + setBodyPartError(withReason: .bodyPartFileNotReachableWithError(atURL: fileURL, error: error)) + return + } + + //============================================================ + // Check 3 - is file URL a directory? + //============================================================ + + var isDirectory: ObjCBool = false + let path = fileURL.path + + guard fileManager.fileExists(atPath: path, isDirectory: &isDirectory) && !isDirectory.boolValue else { + setBodyPartError(withReason: .bodyPartFileIsDirectory(at: fileURL)) + return + } + + //============================================================ + // Check 4 - can the file size be extracted? + //============================================================ + + let bodyContentLength: UInt64 + + do { + guard let fileSize = try fileManager.attributesOfItem(atPath: path)[.size] as? NSNumber else { + setBodyPartError(withReason: .bodyPartFileSizeNotAvailable(at: fileURL)) + return + } + + bodyContentLength = fileSize.uint64Value + } catch { + setBodyPartError(withReason: .bodyPartFileSizeQueryFailedWithError(forURL: fileURL, error: error)) + return + } + + //============================================================ + // Check 5 - can a stream be created from file URL? + //============================================================ + + guard let stream = InputStream(url: fileURL) else { + setBodyPartError(withReason: .bodyPartInputStreamCreationFailed(for: fileURL)) + return + } + + append(stream, withLength: bodyContentLength, headers: headers) + } + + /// Creates a body part from the stream and appends it to the instance. + /// + /// The body part data will be encoded using the following format: + /// + /// - `Content-Disposition: form-data; name=#{name}; filename=#{filename}` (HTTP Header) + /// - `Content-Type: #{mimeType}` (HTTP Header) + /// - Encoded stream data + /// - Multipart form boundary + /// + /// - Parameters: + /// - stream: `InputStream` to encode into the instance. + /// - length: Length, in bytes, of the stream. + /// - name: Name to associate with the stream content in the `Content-Disposition` HTTP header. + /// - fileName: Filename to associate with the stream content in the `Content-Disposition` HTTP header. + /// - mimeType: MIME type to associate with the stream content in the `Content-Type` HTTP header. + public func append(_ stream: InputStream, + withLength length: UInt64, + name: String, + fileName: String, + mimeType: String) { + let headers = contentHeaders(withName: name, fileName: fileName, mimeType: mimeType) + append(stream, withLength: length, headers: headers) + } + + /// Creates a body part with the stream, length, and headers and appends it to the instance. + /// + /// The body part data will be encoded using the following format: + /// + /// - HTTP headers + /// - Encoded stream data + /// - Multipart form boundary + /// + /// - Parameters: + /// - stream: `InputStream` to encode into the instance. + /// - length: Length, in bytes, of the stream. + /// - headers: `HTTPHeaders` for the body part. + public func append(_ stream: InputStream, withLength length: UInt64, headers: HTTPHeaders) { + let bodyPart = BodyPart(headers: headers, bodyStream: stream, bodyContentLength: length) + bodyParts.append(bodyPart) + } + + // MARK: - Data Encoding + + /// Encodes all appended body parts into a single `Data` value. + /// + /// - Note: This method will load all the appended body parts into memory all at the same time. This method should + /// only be used when the encoded data will have a small memory footprint. For large data cases, please use + /// the `writeEncodedData(to:))` method. + /// + /// - Returns: The encoded `Data`, if encoding is successful. + /// - Throws: An `AFError` if encoding encounters an error. + public func encode() throws -> Data { + if let bodyPartError = bodyPartError { + throw bodyPartError + } + + var encoded = Data() + + bodyParts.first?.hasInitialBoundary = true + bodyParts.last?.hasFinalBoundary = true + + for bodyPart in bodyParts { + let encodedData = try encode(bodyPart) + encoded.append(encodedData) + } + + return encoded + } + + /// Writes all appended body parts to the given file `URL`. + /// + /// This process is facilitated by reading and writing with input and output streams, respectively. Thus, + /// this approach is very memory efficient and should be used for large body part data. + /// + /// - Parameter fileURL: File `URL` to which to write the form data. + /// - Throws: An `AFError` if encoding encounters an error. + public func writeEncodedData(to fileURL: URL) throws { + if let bodyPartError = bodyPartError { + throw bodyPartError + } + + if fileManager.fileExists(atPath: fileURL.path) { + throw AFError.multipartEncodingFailed(reason: .outputStreamFileAlreadyExists(at: fileURL)) + } else if !fileURL.isFileURL { + throw AFError.multipartEncodingFailed(reason: .outputStreamURLInvalid(url: fileURL)) + } + + guard let outputStream = OutputStream(url: fileURL, append: false) else { + throw AFError.multipartEncodingFailed(reason: .outputStreamCreationFailed(for: fileURL)) + } + + outputStream.open() + defer { outputStream.close() } + + bodyParts.first?.hasInitialBoundary = true + bodyParts.last?.hasFinalBoundary = true + + for bodyPart in bodyParts { + try write(bodyPart, to: outputStream) + } + } + + // MARK: - Private - Body Part Encoding + + private func encode(_ bodyPart: BodyPart) throws -> Data { + var encoded = Data() + + let initialData = bodyPart.hasInitialBoundary ? initialBoundaryData() : encapsulatedBoundaryData() + encoded.append(initialData) + + let headerData = encodeHeaders(for: bodyPart) + encoded.append(headerData) + + let bodyStreamData = try encodeBodyStream(for: bodyPart) + encoded.append(bodyStreamData) + + if bodyPart.hasFinalBoundary { + encoded.append(finalBoundaryData()) + } + + return encoded + } + + private func encodeHeaders(for bodyPart: BodyPart) -> Data { + let headerText = bodyPart.headers.map { "\($0.name): \($0.value)\(EncodingCharacters.crlf)" } + .joined() + + EncodingCharacters.crlf + + return Data(headerText.utf8) + } + + private func encodeBodyStream(for bodyPart: BodyPart) throws -> Data { + let inputStream = bodyPart.bodyStream + inputStream.open() + defer { inputStream.close() } + + var encoded = Data() + + while inputStream.hasBytesAvailable { + var buffer = [UInt8](repeating: 0, count: streamBufferSize) + let bytesRead = inputStream.read(&buffer, maxLength: streamBufferSize) + + if let error = inputStream.streamError { + throw AFError.multipartEncodingFailed(reason: .inputStreamReadFailed(error: error)) + } + + if bytesRead > 0 { + encoded.append(buffer, count: bytesRead) + } else { + break + } + } + + return encoded + } + + // MARK: - Private - Writing Body Part to Output Stream + + private func write(_ bodyPart: BodyPart, to outputStream: OutputStream) throws { + try writeInitialBoundaryData(for: bodyPart, to: outputStream) + try writeHeaderData(for: bodyPart, to: outputStream) + try writeBodyStream(for: bodyPart, to: outputStream) + try writeFinalBoundaryData(for: bodyPart, to: outputStream) + } + + private func writeInitialBoundaryData(for bodyPart: BodyPart, to outputStream: OutputStream) throws { + let initialData = bodyPart.hasInitialBoundary ? initialBoundaryData() : encapsulatedBoundaryData() + return try write(initialData, to: outputStream) + } + + private func writeHeaderData(for bodyPart: BodyPart, to outputStream: OutputStream) throws { + let headerData = encodeHeaders(for: bodyPart) + return try write(headerData, to: outputStream) + } + + private func writeBodyStream(for bodyPart: BodyPart, to outputStream: OutputStream) throws { + let inputStream = bodyPart.bodyStream + + inputStream.open() + defer { inputStream.close() } + + while inputStream.hasBytesAvailable { + var buffer = [UInt8](repeating: 0, count: streamBufferSize) + let bytesRead = inputStream.read(&buffer, maxLength: streamBufferSize) + + if let streamError = inputStream.streamError { + throw AFError.multipartEncodingFailed(reason: .inputStreamReadFailed(error: streamError)) + } + + if bytesRead > 0 { + if buffer.count != bytesRead { + buffer = Array(buffer[0.. 0, outputStream.hasSpaceAvailable { + let bytesWritten = outputStream.write(buffer, maxLength: bytesToWrite) + + if let error = outputStream.streamError { + throw AFError.multipartEncodingFailed(reason: .outputStreamWriteFailed(error: error)) + } + + bytesToWrite -= bytesWritten + + if bytesToWrite > 0 { + buffer = Array(buffer[bytesWritten.. String { + if + let id = UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, pathExtension as CFString, nil)?.takeRetainedValue(), + let contentType = UTTypeCopyPreferredTagWithClass(id, kUTTagClassMIMEType)?.takeRetainedValue() { + return contentType as String + } + + return "application/octet-stream" + } + + // MARK: - Private - Content Headers + + private func contentHeaders(withName name: String, fileName: String? = nil, mimeType: String? = nil) -> HTTPHeaders { + var disposition = "form-data; name=\"\(name)\"" + if let fileName = fileName { disposition += "; filename=\"\(fileName)\"" } + + var headers: HTTPHeaders = [.contentDisposition(disposition)] + if let mimeType = mimeType { headers.add(.contentType(mimeType)) } + + return headers + } + + // MARK: - Private - Boundary Encoding + + private func initialBoundaryData() -> Data { + BoundaryGenerator.boundaryData(forBoundaryType: .initial, boundary: boundary) + } + + private func encapsulatedBoundaryData() -> Data { + BoundaryGenerator.boundaryData(forBoundaryType: .encapsulated, boundary: boundary) + } + + private func finalBoundaryData() -> Data { + BoundaryGenerator.boundaryData(forBoundaryType: .final, boundary: boundary) + } + + // MARK: - Private - Errors + + private func setBodyPartError(withReason reason: AFError.MultipartEncodingFailureReason) { + guard bodyPartError == nil else { return } + bodyPartError = AFError.multipartEncodingFailed(reason: reason) + } +} diff --git a/Pods/Alamofire/Source/MultipartUpload.swift b/Pods/Alamofire/Source/MultipartUpload.swift new file mode 100644 index 0000000..ff129be --- /dev/null +++ b/Pods/Alamofire/Source/MultipartUpload.swift @@ -0,0 +1,87 @@ +// +// MultipartUpload.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +/// Internal type which encapsulates a `MultipartFormData` upload. +final class MultipartUpload { + lazy var result = Result { try build() } + + let isInBackgroundSession: Bool + let multipartFormData: MultipartFormData + let encodingMemoryThreshold: UInt64 + let request: URLRequestConvertible + let fileManager: FileManager + + init(isInBackgroundSession: Bool, + encodingMemoryThreshold: UInt64, + request: URLRequestConvertible, + multipartFormData: MultipartFormData) { + self.isInBackgroundSession = isInBackgroundSession + self.encodingMemoryThreshold = encodingMemoryThreshold + self.request = request + fileManager = multipartFormData.fileManager + self.multipartFormData = multipartFormData + } + + func build() throws -> (request: URLRequest, uploadable: UploadRequest.Uploadable) { + var urlRequest = try request.asURLRequest() + urlRequest.setValue(multipartFormData.contentType, forHTTPHeaderField: "Content-Type") + + let uploadable: UploadRequest.Uploadable + if multipartFormData.contentLength < encodingMemoryThreshold && !isInBackgroundSession { + let data = try multipartFormData.encode() + + uploadable = .data(data) + } else { + let tempDirectoryURL = fileManager.temporaryDirectory + let directoryURL = tempDirectoryURL.appendingPathComponent("org.alamofire.manager/multipart.form.data") + let fileName = UUID().uuidString + let fileURL = directoryURL.appendingPathComponent(fileName) + + try fileManager.createDirectory(at: directoryURL, withIntermediateDirectories: true, attributes: nil) + + do { + try multipartFormData.writeEncodedData(to: fileURL) + } catch { + // Cleanup after attempted write if it fails. + try? fileManager.removeItem(at: fileURL) + } + + uploadable = .file(fileURL, shouldRemove: true) + } + + return (request: urlRequest, uploadable: uploadable) + } +} + +extension MultipartUpload: UploadConvertible { + func asURLRequest() throws -> URLRequest { + try result.get().request + } + + func createUploadable() throws -> UploadRequest.Uploadable { + try result.get().uploadable + } +} diff --git a/Pods/Alamofire/Source/NetworkReachabilityManager.swift b/Pods/Alamofire/Source/NetworkReachabilityManager.swift new file mode 100644 index 0000000..b97b62f --- /dev/null +++ b/Pods/Alamofire/Source/NetworkReachabilityManager.swift @@ -0,0 +1,267 @@ +// +// NetworkReachabilityManager.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +#if !(os(watchOS) || os(Linux)) + +import Foundation +import SystemConfiguration + +/// The `NetworkReachabilityManager` class listens for reachability changes of hosts and addresses for both cellular and +/// WiFi network interfaces. +/// +/// Reachability can be used to determine background information about why a network operation failed, or to retry +/// network requests when a connection is established. It should not be used to prevent a user from initiating a network +/// request, as it's possible that an initial request may be required to establish reachability. +open class NetworkReachabilityManager { + /// Defines the various states of network reachability. + public enum NetworkReachabilityStatus { + /// It is unknown whether the network is reachable. + case unknown + /// The network is not reachable. + case notReachable + /// The network is reachable on the associated `ConnectionType`. + case reachable(ConnectionType) + + init(_ flags: SCNetworkReachabilityFlags) { + guard flags.isActuallyReachable else { self = .notReachable; return } + + var networkStatus: NetworkReachabilityStatus = .reachable(.ethernetOrWiFi) + + if flags.isCellular { networkStatus = .reachable(.cellular) } + + self = networkStatus + } + + /// Defines the various connection types detected by reachability flags. + public enum ConnectionType { + /// The connection type is either over Ethernet or WiFi. + case ethernetOrWiFi + /// The connection type is a cellular connection. + case cellular + } + } + + /// A closure executed when the network reachability status changes. The closure takes a single argument: the + /// network reachability status. + public typealias Listener = (NetworkReachabilityStatus) -> Void + + /// Default `NetworkReachabilityManager` for the zero address and a `listenerQueue` of `.main`. + public static let `default` = NetworkReachabilityManager() + + // MARK: - Properties + + /// Whether the network is currently reachable. + open var isReachable: Bool { isReachableOnCellular || isReachableOnEthernetOrWiFi } + + /// Whether the network is currently reachable over the cellular interface. + /// + /// - Note: Using this property to decide whether to make a high or low bandwidth request is not recommended. + /// Instead, set the `allowsCellularAccess` on any `URLRequest`s being issued. + /// + open var isReachableOnCellular: Bool { status == .reachable(.cellular) } + + /// Whether the network is currently reachable over Ethernet or WiFi interface. + open var isReachableOnEthernetOrWiFi: Bool { status == .reachable(.ethernetOrWiFi) } + + /// `DispatchQueue` on which reachability will update. + public let reachabilityQueue = DispatchQueue(label: "org.alamofire.reachabilityQueue") + + /// Flags of the current reachability type, if any. + open var flags: SCNetworkReachabilityFlags? { + var flags = SCNetworkReachabilityFlags() + + return (SCNetworkReachabilityGetFlags(reachability, &flags)) ? flags : nil + } + + /// The current network reachability status. + open var status: NetworkReachabilityStatus { + flags.map(NetworkReachabilityStatus.init) ?? .unknown + } + + /// Mutable state storage. + struct MutableState { + /// A closure executed when the network reachability status changes. + var listener: Listener? + /// `DispatchQueue` on which listeners will be called. + var listenerQueue: DispatchQueue? + /// Previously calculated status. + var previousStatus: NetworkReachabilityStatus? + } + + /// `SCNetworkReachability` instance providing notifications. + private let reachability: SCNetworkReachability + + /// Protected storage for mutable state. + @Protected + private var mutableState = MutableState() + + // MARK: - Initialization + + /// Creates an instance with the specified host. + /// + /// - Note: The `host` value must *not* contain a scheme, just the hostname. + /// + /// - Parameters: + /// - host: Host used to evaluate network reachability. Must *not* include the scheme (e.g. `https`). + public convenience init?(host: String) { + guard let reachability = SCNetworkReachabilityCreateWithName(nil, host) else { return nil } + + self.init(reachability: reachability) + } + + /// Creates an instance that monitors the address 0.0.0.0. + /// + /// Reachability treats the 0.0.0.0 address as a special token that causes it to monitor the general routing + /// status of the device, both IPv4 and IPv6. + public convenience init?() { + var zero = sockaddr() + zero.sa_len = UInt8(MemoryLayout.size) + zero.sa_family = sa_family_t(AF_INET) + + guard let reachability = SCNetworkReachabilityCreateWithAddress(nil, &zero) else { return nil } + + self.init(reachability: reachability) + } + + private init(reachability: SCNetworkReachability) { + self.reachability = reachability + } + + deinit { + stopListening() + } + + // MARK: - Listening + + /// Starts listening for changes in network reachability status. + /// + /// - Note: Stops and removes any existing listener. + /// + /// - Parameters: + /// - queue: `DispatchQueue` on which to call the `listener` closure. `.main` by default. + /// - listener: `Listener` closure called when reachability changes. + /// + /// - Returns: `true` if listening was started successfully, `false` otherwise. + @discardableResult + open func startListening(onQueue queue: DispatchQueue = .main, + onUpdatePerforming listener: @escaping Listener) -> Bool { + stopListening() + + $mutableState.write { state in + state.listenerQueue = queue + state.listener = listener + } + + var context = SCNetworkReachabilityContext(version: 0, + info: Unmanaged.passUnretained(self).toOpaque(), + retain: nil, + release: nil, + copyDescription: nil) + let callback: SCNetworkReachabilityCallBack = { _, flags, info in + guard let info = info else { return } + + let instance = Unmanaged.fromOpaque(info).takeUnretainedValue() + instance.notifyListener(flags) + } + + let queueAdded = SCNetworkReachabilitySetDispatchQueue(reachability, reachabilityQueue) + let callbackAdded = SCNetworkReachabilitySetCallback(reachability, callback, &context) + + // Manually call listener to give initial state, since the framework may not. + if let currentFlags = flags { + reachabilityQueue.async { + self.notifyListener(currentFlags) + } + } + + return callbackAdded && queueAdded + } + + /// Stops listening for changes in network reachability status. + open func stopListening() { + SCNetworkReachabilitySetCallback(reachability, nil, nil) + SCNetworkReachabilitySetDispatchQueue(reachability, nil) + $mutableState.write { state in + state.listener = nil + state.listenerQueue = nil + state.previousStatus = nil + } + } + + // MARK: - Internal - Listener Notification + + /// Calls the `listener` closure of the `listenerQueue` if the computed status hasn't changed. + /// + /// - Note: Should only be called from the `reachabilityQueue`. + /// + /// - Parameter flags: `SCNetworkReachabilityFlags` to use to calculate the status. + func notifyListener(_ flags: SCNetworkReachabilityFlags) { + let newStatus = NetworkReachabilityStatus(flags) + + $mutableState.write { state in + guard state.previousStatus != newStatus else { return } + + state.previousStatus = newStatus + + let listener = state.listener + state.listenerQueue?.async { listener?(newStatus) } + } + } +} + +// MARK: - + +extension NetworkReachabilityManager.NetworkReachabilityStatus: Equatable {} + +extension SCNetworkReachabilityFlags { + var isReachable: Bool { contains(.reachable) } + var isConnectionRequired: Bool { contains(.connectionRequired) } + var canConnectAutomatically: Bool { contains(.connectionOnDemand) || contains(.connectionOnTraffic) } + var canConnectWithoutUserInteraction: Bool { canConnectAutomatically && !contains(.interventionRequired) } + var isActuallyReachable: Bool { isReachable && (!isConnectionRequired || canConnectWithoutUserInteraction) } + var isCellular: Bool { + #if os(iOS) || os(tvOS) + return contains(.isWWAN) + #else + return false + #endif + } + + /// Human readable `String` for all states, to help with debugging. + var readableDescription: String { + let W = isCellular ? "W" : "-" + let R = isReachable ? "R" : "-" + let c = isConnectionRequired ? "c" : "-" + let t = contains(.transientConnection) ? "t" : "-" + let i = contains(.interventionRequired) ? "i" : "-" + let C = contains(.connectionOnTraffic) ? "C" : "-" + let D = contains(.connectionOnDemand) ? "D" : "-" + let l = contains(.isLocalAddress) ? "l" : "-" + let d = contains(.isDirect) ? "d" : "-" + let a = contains(.connectionAutomatic) ? "a" : "-" + + return "\(W)\(R) \(c)\(t)\(i)\(C)\(D)\(l)\(d)\(a)" + } +} +#endif diff --git a/Pods/Alamofire/Source/Notifications.swift b/Pods/Alamofire/Source/Notifications.swift new file mode 100644 index 0000000..3c0f192 --- /dev/null +++ b/Pods/Alamofire/Source/Notifications.swift @@ -0,0 +1,115 @@ +// +// Notifications.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +public extension Request { + /// Posted when a `Request` is resumed. The `Notification` contains the resumed `Request`. + static let didResumeNotification = Notification.Name(rawValue: "org.alamofire.notification.name.request.didResume") + /// Posted when a `Request` is suspended. The `Notification` contains the suspended `Request`. + static let didSuspendNotification = Notification.Name(rawValue: "org.alamofire.notification.name.request.didSuspend") + /// Posted when a `Request` is cancelled. The `Notification` contains the cancelled `Request`. + static let didCancelNotification = Notification.Name(rawValue: "org.alamofire.notification.name.request.didCancel") + /// Posted when a `Request` is finished. The `Notification` contains the completed `Request`. + static let didFinishNotification = Notification.Name(rawValue: "org.alamofire.notification.name.request.didFinish") + + /// Posted when a `URLSessionTask` is resumed. The `Notification` contains the `Request` associated with the `URLSessionTask`. + static let didResumeTaskNotification = Notification.Name(rawValue: "org.alamofire.notification.name.request.didResumeTask") + /// Posted when a `URLSessionTask` is suspended. The `Notification` contains the `Request` associated with the `URLSessionTask`. + static let didSuspendTaskNotification = Notification.Name(rawValue: "org.alamofire.notification.name.request.didSuspendTask") + /// Posted when a `URLSessionTask` is cancelled. The `Notification` contains the `Request` associated with the `URLSessionTask`. + static let didCancelTaskNotification = Notification.Name(rawValue: "org.alamofire.notification.name.request.didCancelTask") + /// Posted when a `URLSessionTask` is completed. The `Notification` contains the `Request` associated with the `URLSessionTask`. + static let didCompleteTaskNotification = Notification.Name(rawValue: "org.alamofire.notification.name.request.didCompleteTask") +} + +// MARK: - + +extension Notification { + /// The `Request` contained by the instance's `userInfo`, `nil` otherwise. + public var request: Request? { + userInfo?[String.requestKey] as? Request + } + + /// Convenience initializer for a `Notification` containing a `Request` payload. + /// + /// - Parameters: + /// - name: The name of the notification. + /// - request: The `Request` payload. + init(name: Notification.Name, request: Request) { + self.init(name: name, object: nil, userInfo: [String.requestKey: request]) + } +} + +extension NotificationCenter { + /// Convenience function for posting notifications with `Request` payloads. + /// + /// - Parameters: + /// - name: The name of the notification. + /// - request: The `Request` payload. + func postNotification(named name: Notification.Name, with request: Request) { + let notification = Notification(name: name, request: request) + post(notification) + } +} + +extension String { + /// User info dictionary key representing the `Request` associated with the notification. + fileprivate static let requestKey = "org.alamofire.notification.key.request" +} + +/// `EventMonitor` that provides Alamofire's notifications. +public final class AlamofireNotifications: EventMonitor { + public func requestDidResume(_ request: Request) { + NotificationCenter.default.postNotification(named: Request.didResumeNotification, with: request) + } + + public func requestDidSuspend(_ request: Request) { + NotificationCenter.default.postNotification(named: Request.didSuspendNotification, with: request) + } + + public func requestDidCancel(_ request: Request) { + NotificationCenter.default.postNotification(named: Request.didCancelNotification, with: request) + } + + public func requestDidFinish(_ request: Request) { + NotificationCenter.default.postNotification(named: Request.didFinishNotification, with: request) + } + + public func request(_ request: Request, didResumeTask task: URLSessionTask) { + NotificationCenter.default.postNotification(named: Request.didResumeTaskNotification, with: request) + } + + public func request(_ request: Request, didSuspendTask task: URLSessionTask) { + NotificationCenter.default.postNotification(named: Request.didSuspendTaskNotification, with: request) + } + + public func request(_ request: Request, didCancelTask task: URLSessionTask) { + NotificationCenter.default.postNotification(named: Request.didCancelTaskNotification, with: request) + } + + public func request(_ request: Request, didCompleteTask task: URLSessionTask, with error: AFError?) { + NotificationCenter.default.postNotification(named: Request.didCompleteTaskNotification, with: request) + } +} diff --git a/Pods/Alamofire/Source/OperationQueue+Alamofire.swift b/Pods/Alamofire/Source/OperationQueue+Alamofire.swift new file mode 100644 index 0000000..b06a0cc --- /dev/null +++ b/Pods/Alamofire/Source/OperationQueue+Alamofire.swift @@ -0,0 +1,49 @@ +// +// OperationQueue+Alamofire.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +extension OperationQueue { + /// Creates an instance using the provided parameters. + /// + /// - Parameters: + /// - qualityOfService: `QualityOfService` to be applied to the queue. `.default` by default. + /// - maxConcurrentOperationCount: Maximum concurrent operations. + /// `OperationQueue.defaultMaxConcurrentOperationCount` by default. + /// - underlyingQueue: Underlying `DispatchQueue`. `nil` by default. + /// - name: Name for the queue. `nil` by default. + /// - startSuspended: Whether the queue starts suspended. `false` by default. + convenience init(qualityOfService: QualityOfService = .default, + maxConcurrentOperationCount: Int = OperationQueue.defaultMaxConcurrentOperationCount, + underlyingQueue: DispatchQueue? = nil, + name: String? = nil, + startSuspended: Bool = false) { + self.init() + self.qualityOfService = qualityOfService + self.maxConcurrentOperationCount = maxConcurrentOperationCount + self.underlyingQueue = underlyingQueue + self.name = name + isSuspended = startSuspended + } +} diff --git a/Pods/Alamofire/Source/ParameterEncoder.swift b/Pods/Alamofire/Source/ParameterEncoder.swift new file mode 100644 index 0000000..94f09bf --- /dev/null +++ b/Pods/Alamofire/Source/ParameterEncoder.swift @@ -0,0 +1,184 @@ +// +// ParameterEncoder.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +/// A type that can encode any `Encodable` type into a `URLRequest`. +public protocol ParameterEncoder { + /// Encode the provided `Encodable` parameters into `request`. + /// + /// - Parameters: + /// - parameters: The `Encodable` parameter value. + /// - request: The `URLRequest` into which to encode the parameters. + /// + /// - Returns: A `URLRequest` with the result of the encoding. + /// - Throws: An `Error` when encoding fails. For Alamofire provided encoders, this will be an instance of + /// `AFError.parameterEncoderFailed` with an associated `ParameterEncoderFailureReason`. + func encode(_ parameters: Parameters?, into request: URLRequest) throws -> URLRequest +} + +/// A `ParameterEncoder` that encodes types as JSON body data. +/// +/// If no `Content-Type` header is already set on the provided `URLRequest`s, it's set to `application/json`. +open class JSONParameterEncoder: ParameterEncoder { + /// Returns an encoder with default parameters. + public static var `default`: JSONParameterEncoder { JSONParameterEncoder() } + + /// Returns an encoder with `JSONEncoder.outputFormatting` set to `.prettyPrinted`. + public static var prettyPrinted: JSONParameterEncoder { + let encoder = JSONEncoder() + encoder.outputFormatting = .prettyPrinted + + return JSONParameterEncoder(encoder: encoder) + } + + /// Returns an encoder with `JSONEncoder.outputFormatting` set to `.sortedKeys`. + @available(macOS 10.13, iOS 11.0, tvOS 11.0, watchOS 4.0, *) + public static var sortedKeys: JSONParameterEncoder { + let encoder = JSONEncoder() + encoder.outputFormatting = .sortedKeys + + return JSONParameterEncoder(encoder: encoder) + } + + /// `JSONEncoder` used to encode parameters. + public let encoder: JSONEncoder + + /// Creates an instance with the provided `JSONEncoder`. + /// + /// - Parameter encoder: The `JSONEncoder`. `JSONEncoder()` by default. + public init(encoder: JSONEncoder = JSONEncoder()) { + self.encoder = encoder + } + + open func encode(_ parameters: Parameters?, + into request: URLRequest) throws -> URLRequest { + guard let parameters = parameters else { return request } + + var request = request + + do { + let data = try encoder.encode(parameters) + request.httpBody = data + if request.headers["Content-Type"] == nil { + request.headers.update(.contentType("application/json")) + } + } catch { + throw AFError.parameterEncodingFailed(reason: .jsonEncodingFailed(error: error)) + } + + return request + } +} + +/// A `ParameterEncoder` that encodes types as URL-encoded query strings to be set on the URL or as body data, depending +/// on the `Destination` set. +/// +/// If no `Content-Type` header is already set on the provided `URLRequest`s, it will be set to +/// `application/x-www-form-urlencoded; charset=utf-8`. +/// +/// Encoding behavior can be customized by passing an instance of `URLEncodedFormEncoder` to the initializer. +open class URLEncodedFormParameterEncoder: ParameterEncoder { + /// Defines where the URL-encoded string should be set for each `URLRequest`. + public enum Destination { + /// Applies the encoded query string to any existing query string for `.get`, `.head`, and `.delete` request. + /// Sets it to the `httpBody` for all other methods. + case methodDependent + /// Applies the encoded query string to any existing query string from the `URLRequest`. + case queryString + /// Applies the encoded query string to the `httpBody` of the `URLRequest`. + case httpBody + + /// Determines whether the URL-encoded string should be applied to the `URLRequest`'s `url`. + /// + /// - Parameter method: The `HTTPMethod`. + /// + /// - Returns: Whether the URL-encoded string should be applied to a `URL`. + func encodesParametersInURL(for method: HTTPMethod) -> Bool { + switch self { + case .methodDependent: return [.get, .head, .delete].contains(method) + case .queryString: return true + case .httpBody: return false + } + } + } + + /// Returns an encoder with default parameters. + public static var `default`: URLEncodedFormParameterEncoder { URLEncodedFormParameterEncoder() } + + /// The `URLEncodedFormEncoder` to use. + public let encoder: URLEncodedFormEncoder + + /// The `Destination` for the URL-encoded string. + public let destination: Destination + + /// Creates an instance with the provided `URLEncodedFormEncoder` instance and `Destination` value. + /// + /// - Parameters: + /// - encoder: The `URLEncodedFormEncoder`. `URLEncodedFormEncoder()` by default. + /// - destination: The `Destination`. `.methodDependent` by default. + public init(encoder: URLEncodedFormEncoder = URLEncodedFormEncoder(), destination: Destination = .methodDependent) { + self.encoder = encoder + self.destination = destination + } + + open func encode(_ parameters: Parameters?, + into request: URLRequest) throws -> URLRequest { + guard let parameters = parameters else { return request } + + var request = request + + guard let url = request.url else { + throw AFError.parameterEncoderFailed(reason: .missingRequiredComponent(.url)) + } + + guard let method = request.method else { + let rawValue = request.method?.rawValue ?? "nil" + throw AFError.parameterEncoderFailed(reason: .missingRequiredComponent(.httpMethod(rawValue: rawValue))) + } + + if destination.encodesParametersInURL(for: method), + var components = URLComponents(url: url, resolvingAgainstBaseURL: false) { + let query: String = try Result { try encoder.encode(parameters) } + .mapError { AFError.parameterEncoderFailed(reason: .encoderFailed(error: $0)) }.get() + let newQueryString = [components.percentEncodedQuery, query].compactMap { $0 }.joinedWithAmpersands() + components.percentEncodedQuery = newQueryString.isEmpty ? nil : newQueryString + + guard let newURL = components.url else { + throw AFError.parameterEncoderFailed(reason: .missingRequiredComponent(.url)) + } + + request.url = newURL + } else { + if request.headers["Content-Type"] == nil { + request.headers.update(.contentType("application/x-www-form-urlencoded; charset=utf-8")) + } + + request.httpBody = try Result { try encoder.encode(parameters) } + .mapError { AFError.parameterEncoderFailed(reason: .encoderFailed(error: $0)) }.get() + } + + return request + } +} diff --git a/Pods/Alamofire/Source/ParameterEncoding.swift b/Pods/Alamofire/Source/ParameterEncoding.swift new file mode 100644 index 0000000..32fd061 --- /dev/null +++ b/Pods/Alamofire/Source/ParameterEncoding.swift @@ -0,0 +1,318 @@ +// +// ParameterEncoding.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +/// A dictionary of parameters to apply to a `URLRequest`. +public typealias Parameters = [String: Any] + +/// A type used to define how a set of parameters are applied to a `URLRequest`. +public protocol ParameterEncoding { + /// Creates a `URLRequest` by encoding parameters and applying them on the passed request. + /// + /// - Parameters: + /// - urlRequest: `URLRequestConvertible` value onto which parameters will be encoded. + /// - parameters: `Parameters` to encode onto the request. + /// + /// - Returns: The encoded `URLRequest`. + /// - Throws: Any `Error` produced during parameter encoding. + func encode(_ urlRequest: URLRequestConvertible, with parameters: Parameters?) throws -> URLRequest +} + +// MARK: - + +/// Creates a url-encoded query string to be set as or appended to any existing URL query string or set as the HTTP +/// body of the URL request. Whether the query string is set or appended to any existing URL query string or set as +/// the HTTP body depends on the destination of the encoding. +/// +/// The `Content-Type` HTTP header field of an encoded request with HTTP body is set to +/// `application/x-www-form-urlencoded; charset=utf-8`. +/// +/// There is no published specification for how to encode collection types. By default the convention of appending +/// `[]` to the key for array values (`foo[]=1&foo[]=2`), and appending the key surrounded by square brackets for +/// nested dictionary values (`foo[bar]=baz`) is used. Optionally, `ArrayEncoding` can be used to omit the +/// square brackets appended to array keys. +/// +/// `BoolEncoding` can be used to configure how boolean values are encoded. The default behavior is to encode +/// `true` as 1 and `false` as 0. +public struct URLEncoding: ParameterEncoding { + // MARK: Helper Types + + /// Defines whether the url-encoded query string is applied to the existing query string or HTTP body of the + /// resulting URL request. + public enum Destination { + /// Applies encoded query string result to existing query string for `GET`, `HEAD` and `DELETE` requests and + /// sets as the HTTP body for requests with any other HTTP method. + case methodDependent + /// Sets or appends encoded query string result to existing query string. + case queryString + /// Sets encoded query string result as the HTTP body of the URL request. + case httpBody + + func encodesParametersInURL(for method: HTTPMethod) -> Bool { + switch self { + case .methodDependent: return [.get, .head, .delete].contains(method) + case .queryString: return true + case .httpBody: return false + } + } + } + + /// Configures how `Array` parameters are encoded. + public enum ArrayEncoding { + /// An empty set of square brackets is appended to the key for every value. This is the default behavior. + case brackets + /// No brackets are appended. The key is encoded as is. + case noBrackets + + func encode(key: String) -> String { + switch self { + case .brackets: + return "\(key)[]" + case .noBrackets: + return key + } + } + } + + /// Configures how `Bool` parameters are encoded. + public enum BoolEncoding { + /// Encode `true` as `1` and `false` as `0`. This is the default behavior. + case numeric + /// Encode `true` and `false` as string literals. + case literal + + func encode(value: Bool) -> String { + switch self { + case .numeric: + return value ? "1" : "0" + case .literal: + return value ? "true" : "false" + } + } + } + + // MARK: Properties + + /// Returns a default `URLEncoding` instance with a `.methodDependent` destination. + public static var `default`: URLEncoding { URLEncoding() } + + /// Returns a `URLEncoding` instance with a `.queryString` destination. + public static var queryString: URLEncoding { URLEncoding(destination: .queryString) } + + /// Returns a `URLEncoding` instance with an `.httpBody` destination. + public static var httpBody: URLEncoding { URLEncoding(destination: .httpBody) } + + /// The destination defining where the encoded query string is to be applied to the URL request. + public let destination: Destination + + /// The encoding to use for `Array` parameters. + public let arrayEncoding: ArrayEncoding + + /// The encoding to use for `Bool` parameters. + public let boolEncoding: BoolEncoding + + // MARK: Initialization + + /// Creates an instance using the specified parameters. + /// + /// - Parameters: + /// - destination: `Destination` defining where the encoded query string will be applied. `.methodDependent` by + /// default. + /// - arrayEncoding: `ArrayEncoding` to use. `.brackets` by default. + /// - boolEncoding: `BoolEncoding` to use. `.numeric` by default. + public init(destination: Destination = .methodDependent, + arrayEncoding: ArrayEncoding = .brackets, + boolEncoding: BoolEncoding = .numeric) { + self.destination = destination + self.arrayEncoding = arrayEncoding + self.boolEncoding = boolEncoding + } + + // MARK: Encoding + + public func encode(_ urlRequest: URLRequestConvertible, with parameters: Parameters?) throws -> URLRequest { + var urlRequest = try urlRequest.asURLRequest() + + guard let parameters = parameters else { return urlRequest } + + if let method = urlRequest.method, destination.encodesParametersInURL(for: method) { + guard let url = urlRequest.url else { + throw AFError.parameterEncodingFailed(reason: .missingURL) + } + + if var urlComponents = URLComponents(url: url, resolvingAgainstBaseURL: false), !parameters.isEmpty { + let percentEncodedQuery = (urlComponents.percentEncodedQuery.map { $0 + "&" } ?? "") + query(parameters) + urlComponents.percentEncodedQuery = percentEncodedQuery + urlRequest.url = urlComponents.url + } + } else { + if urlRequest.value(forHTTPHeaderField: "Content-Type") == nil { + urlRequest.setValue("application/x-www-form-urlencoded; charset=utf-8", forHTTPHeaderField: "Content-Type") + } + + urlRequest.httpBody = Data(query(parameters).utf8) + } + + return urlRequest + } + + /// Creates a percent-escaped, URL encoded query string components from the given key-value pair recursively. + /// + /// - Parameters: + /// - key: Key of the query component. + /// - value: Value of the query component. + /// + /// - Returns: The percent-escaped, URL encoded query string components. + public func queryComponents(fromKey key: String, value: Any) -> [(String, String)] { + var components: [(String, String)] = [] + + if let dictionary = value as? [String: Any] { + for (nestedKey, value) in dictionary { + components += queryComponents(fromKey: "\(key)[\(nestedKey)]", value: value) + } + } else if let array = value as? [Any] { + for value in array { + components += queryComponents(fromKey: arrayEncoding.encode(key: key), value: value) + } + } else if let value = value as? NSNumber { + if value.isBool { + components.append((escape(key), escape(boolEncoding.encode(value: value.boolValue)))) + } else { + components.append((escape(key), escape("\(value)"))) + } + } else if let bool = value as? Bool { + components.append((escape(key), escape(boolEncoding.encode(value: bool)))) + } else { + components.append((escape(key), escape("\(value)"))) + } + + return components + } + + /// Creates a percent-escaped string following RFC 3986 for a query string key or value. + /// + /// - Parameter string: `String` to be percent-escaped. + /// + /// - Returns: The percent-escaped `String`. + public func escape(_ string: String) -> String { + string.addingPercentEncoding(withAllowedCharacters: .afURLQueryAllowed) ?? string + } + + private func query(_ parameters: [String: Any]) -> String { + var components: [(String, String)] = [] + + for key in parameters.keys.sorted(by: <) { + let value = parameters[key]! + components += queryComponents(fromKey: key, value: value) + } + return components.map { "\($0)=\($1)" }.joined(separator: "&") + } +} + +// MARK: - + +/// Uses `JSONSerialization` to create a JSON representation of the parameters object, which is set as the body of the +/// request. The `Content-Type` HTTP header field of an encoded request is set to `application/json`. +public struct JSONEncoding: ParameterEncoding { + // MARK: Properties + + /// Returns a `JSONEncoding` instance with default writing options. + public static var `default`: JSONEncoding { JSONEncoding() } + + /// Returns a `JSONEncoding` instance with `.prettyPrinted` writing options. + public static var prettyPrinted: JSONEncoding { JSONEncoding(options: .prettyPrinted) } + + /// The options for writing the parameters as JSON data. + public let options: JSONSerialization.WritingOptions + + // MARK: Initialization + + /// Creates an instance using the specified `WritingOptions`. + /// + /// - Parameter options: `JSONSerialization.WritingOptions` to use. + public init(options: JSONSerialization.WritingOptions = []) { + self.options = options + } + + // MARK: Encoding + + public func encode(_ urlRequest: URLRequestConvertible, with parameters: Parameters?) throws -> URLRequest { + var urlRequest = try urlRequest.asURLRequest() + + guard let parameters = parameters else { return urlRequest } + + do { + let data = try JSONSerialization.data(withJSONObject: parameters, options: options) + + if urlRequest.value(forHTTPHeaderField: "Content-Type") == nil { + urlRequest.setValue("application/json", forHTTPHeaderField: "Content-Type") + } + + urlRequest.httpBody = data + } catch { + throw AFError.parameterEncodingFailed(reason: .jsonEncodingFailed(error: error)) + } + + return urlRequest + } + + /// Encodes any JSON compatible object into a `URLRequest`. + /// + /// - Parameters: + /// - urlRequest: `URLRequestConvertible` value into which the object will be encoded. + /// - jsonObject: `Any` value (must be JSON compatible` to be encoded into the `URLRequest`. `nil` by default. + /// + /// - Returns: The encoded `URLRequest`. + /// - Throws: Any `Error` produced during encoding. + public func encode(_ urlRequest: URLRequestConvertible, withJSONObject jsonObject: Any? = nil) throws -> URLRequest { + var urlRequest = try urlRequest.asURLRequest() + + guard let jsonObject = jsonObject else { return urlRequest } + + do { + let data = try JSONSerialization.data(withJSONObject: jsonObject, options: options) + + if urlRequest.value(forHTTPHeaderField: "Content-Type") == nil { + urlRequest.setValue("application/json", forHTTPHeaderField: "Content-Type") + } + + urlRequest.httpBody = data + } catch { + throw AFError.parameterEncodingFailed(reason: .jsonEncodingFailed(error: error)) + } + + return urlRequest + } +} + +// MARK: - + +extension NSNumber { + fileprivate var isBool: Bool { + // Use Obj-C type encoding to check whether the underlying type is a `Bool`, as it's guaranteed as part of + // swift-corelibs-foundation, per [this discussion on the Swift forums](https://forums.swift.org/t/alamofire-on-linux-possible-but-not-release-ready/34553/22). + String(cString: objCType) == "c" + } +} diff --git a/Pods/Alamofire/Source/Protected.swift b/Pods/Alamofire/Source/Protected.swift new file mode 100644 index 0000000..6288205 --- /dev/null +++ b/Pods/Alamofire/Source/Protected.swift @@ -0,0 +1,224 @@ +// +// Protected.swift +// +// Copyright (c) 2014-2020 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +private protocol Lock { + func lock() + func unlock() +} + +extension Lock { + /// Executes a closure returning a value while acquiring the lock. + /// + /// - Parameter closure: The closure to run. + /// + /// - Returns: The value the closure generated. + func around(_ closure: () -> T) -> T { + lock(); defer { unlock() } + return closure() + } + + /// Execute a closure while acquiring the lock. + /// + /// - Parameter closure: The closure to run. + func around(_ closure: () -> Void) { + lock(); defer { unlock() } + closure() + } +} + +#if os(Linux) +/// A `pthread_mutex_t` wrapper. +final class MutexLock: Lock { + private var mutex: UnsafeMutablePointer + + init() { + mutex = .allocate(capacity: 1) + + var attr = pthread_mutexattr_t() + pthread_mutexattr_init(&attr) + pthread_mutexattr_settype(&attr, .init(PTHREAD_MUTEX_ERRORCHECK)) + + let error = pthread_mutex_init(mutex, &attr) + precondition(error == 0, "Failed to create pthread_mutex") + } + + deinit { + let error = pthread_mutex_destroy(mutex) + precondition(error == 0, "Failed to destroy pthread_mutex") + } + + fileprivate func lock() { + let error = pthread_mutex_lock(mutex) + precondition(error == 0, "Failed to lock pthread_mutex") + } + + fileprivate func unlock() { + let error = pthread_mutex_unlock(mutex) + precondition(error == 0, "Failed to unlock pthread_mutex") + } +} +#endif + +#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS) +/// An `os_unfair_lock` wrapper. +final class UnfairLock: Lock { + private let unfairLock: os_unfair_lock_t + + init() { + unfairLock = .allocate(capacity: 1) + unfairLock.initialize(to: os_unfair_lock()) + } + + deinit { + unfairLock.deinitialize(count: 1) + unfairLock.deallocate() + } + + fileprivate func lock() { + os_unfair_lock_lock(unfairLock) + } + + fileprivate func unlock() { + os_unfair_lock_unlock(unfairLock) + } +} +#endif + +/// A thread-safe wrapper around a value. +@propertyWrapper +@dynamicMemberLookup +final class Protected { + #if os(macOS) || os(iOS) || os(watchOS) || os(tvOS) + private let lock = UnfairLock() + #elseif os(Linux) + private let lock = MutexLock() + #endif + private var value: T + + init(_ value: T) { + self.value = value + } + + /// The contained value. Unsafe for anything more than direct read or write. + var wrappedValue: T { + get { lock.around { value } } + set { lock.around { value = newValue } } + } + + var projectedValue: Protected { self } + + init(wrappedValue: T) { + value = wrappedValue + } + + /// Synchronously read or transform the contained value. + /// + /// - Parameter closure: The closure to execute. + /// + /// - Returns: The return value of the closure passed. + func read(_ closure: (T) -> U) -> U { + lock.around { closure(self.value) } + } + + /// Synchronously modify the protected value. + /// + /// - Parameter closure: The closure to execute. + /// + /// - Returns: The modified value. + @discardableResult + func write(_ closure: (inout T) -> U) -> U { + lock.around { closure(&self.value) } + } + + subscript(dynamicMember keyPath: WritableKeyPath) -> Property { + get { lock.around { value[keyPath: keyPath] } } + set { lock.around { value[keyPath: keyPath] = newValue } } + } +} + +extension Protected where T: RangeReplaceableCollection { + /// Adds a new element to the end of this protected collection. + /// + /// - Parameter newElement: The `Element` to append. + func append(_ newElement: T.Element) { + write { (ward: inout T) in + ward.append(newElement) + } + } + + /// Adds the elements of a sequence to the end of this protected collection. + /// + /// - Parameter newElements: The `Sequence` to append. + func append(contentsOf newElements: S) where S.Element == T.Element { + write { (ward: inout T) in + ward.append(contentsOf: newElements) + } + } + + /// Add the elements of a collection to the end of the protected collection. + /// + /// - Parameter newElements: The `Collection` to append. + func append(contentsOf newElements: C) where C.Element == T.Element { + write { (ward: inout T) in + ward.append(contentsOf: newElements) + } + } +} + +extension Protected where T == Data? { + /// Adds the contents of a `Data` value to the end of the protected `Data`. + /// + /// - Parameter data: The `Data` to be appended. + func append(_ data: Data) { + write { (ward: inout T) in + ward?.append(data) + } + } +} + +extension Protected where T == Request.MutableState { + /// Attempts to transition to the passed `State`. + /// + /// - Parameter state: The `State` to attempt transition to. + /// + /// - Returns: Whether the transition occurred. + func attemptToTransitionTo(_ state: Request.State) -> Bool { + lock.around { + guard value.state.canTransitionTo(state) else { return false } + + value.state = state + + return true + } + } + + /// Perform a closure while locked with the provided `Request.State`. + /// + /// - Parameter perform: The closure to perform while locked. + func withState(perform: (Request.State) -> Void) { + lock.around { perform(value.state) } + } +} diff --git a/Pods/Alamofire/Source/RedirectHandler.swift b/Pods/Alamofire/Source/RedirectHandler.swift new file mode 100644 index 0000000..b6c069c --- /dev/null +++ b/Pods/Alamofire/Source/RedirectHandler.swift @@ -0,0 +1,95 @@ +// +// RedirectHandler.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +/// A type that handles how an HTTP redirect response from a remote server should be redirected to the new request. +public protocol RedirectHandler { + /// Determines how the HTTP redirect response should be redirected to the new request. + /// + /// The `completion` closure should be passed one of three possible options: + /// + /// 1. The new request specified by the redirect (this is the most common use case). + /// 2. A modified version of the new request (you may want to route it somewhere else). + /// 3. A `nil` value to deny the redirect request and return the body of the redirect response. + /// + /// - Parameters: + /// - task: The `URLSessionTask` whose request resulted in a redirect. + /// - request: The `URLRequest` to the new location specified by the redirect response. + /// - response: The `HTTPURLResponse` containing the server's response to the original request. + /// - completion: The closure to execute containing the new `URLRequest`, a modified `URLRequest`, or `nil`. + func task(_ task: URLSessionTask, + willBeRedirectedTo request: URLRequest, + for response: HTTPURLResponse, + completion: @escaping (URLRequest?) -> Void) +} + +// MARK: - + +/// `Redirector` is a convenience `RedirectHandler` making it easy to follow, not follow, or modify a redirect. +public struct Redirector { + /// Defines the behavior of the `Redirector` type. + public enum Behavior { + /// Follow the redirect as defined in the response. + case follow + /// Do not follow the redirect defined in the response. + case doNotFollow + /// Modify the redirect request defined in the response. + case modify((URLSessionTask, URLRequest, HTTPURLResponse) -> URLRequest?) + } + + /// Returns a `Redirector` with a `.follow` `Behavior`. + public static let follow = Redirector(behavior: .follow) + /// Returns a `Redirector` with a `.doNotFollow` `Behavior`. + public static let doNotFollow = Redirector(behavior: .doNotFollow) + + /// The `Behavior` of the `Redirector`. + public let behavior: Behavior + + /// Creates a `Redirector` instance from the `Behavior`. + /// + /// - Parameter behavior: The `Behavior`. + public init(behavior: Behavior) { + self.behavior = behavior + } +} + +// MARK: - + +extension Redirector: RedirectHandler { + public func task(_ task: URLSessionTask, + willBeRedirectedTo request: URLRequest, + for response: HTTPURLResponse, + completion: @escaping (URLRequest?) -> Void) { + switch behavior { + case .follow: + completion(request) + case .doNotFollow: + completion(nil) + case let .modify(closure): + let request = closure(task, request, response) + completion(request) + } + } +} diff --git a/Pods/Alamofire/Source/Request.swift b/Pods/Alamofire/Source/Request.swift new file mode 100644 index 0000000..b03fb4d --- /dev/null +++ b/Pods/Alamofire/Source/Request.swift @@ -0,0 +1,1764 @@ +// +// Request.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +/// `Request` is the common superclass of all Alamofire request types and provides common state, delegate, and callback +/// handling. +public class Request { + /// State of the `Request`, with managed transitions between states set when calling `resume()`, `suspend()`, or + /// `cancel()` on the `Request`. + public enum State { + /// Initial state of the `Request`. + case initialized + /// `State` set when `resume()` is called. Any tasks created for the `Request` will have `resume()` called on + /// them in this state. + case resumed + /// `State` set when `suspend()` is called. Any tasks created for the `Request` will have `suspend()` called on + /// them in this state. + case suspended + /// `State` set when `cancel()` is called. Any tasks created for the `Request` will have `cancel()` called on + /// them. Unlike `resumed` or `suspended`, once in the `cancelled` state, the `Request` can no longer transition + /// to any other state. + case cancelled + /// `State` set when all response serialization completion closures have been cleared on the `Request` and + /// enqueued on their respective queues. + case finished + + /// Determines whether `self` can be transitioned to the provided `State`. + func canTransitionTo(_ state: State) -> Bool { + switch (self, state) { + case (.initialized, _): + return true + case (_, .initialized), (.cancelled, _), (.finished, _): + return false + case (.resumed, .cancelled), (.suspended, .cancelled), (.resumed, .suspended), (.suspended, .resumed): + return true + case (.suspended, .suspended), (.resumed, .resumed): + return false + case (_, .finished): + return true + } + } + } + + // MARK: - Initial State + + /// `UUID` providing a unique identifier for the `Request`, used in the `Hashable` and `Equatable` conformances. + public let id: UUID + /// The serial queue for all internal async actions. + public let underlyingQueue: DispatchQueue + /// The queue used for all serialization actions. By default it's a serial queue that targets `underlyingQueue`. + public let serializationQueue: DispatchQueue + /// `EventMonitor` used for event callbacks. + public let eventMonitor: EventMonitor? + /// The `Request`'s interceptor. + public let interceptor: RequestInterceptor? + /// The `Request`'s delegate. + public private(set) weak var delegate: RequestDelegate? + + // MARK: - Mutable State + + /// Type encapsulating all mutable state that may need to be accessed from anything other than the `underlyingQueue`. + struct MutableState { + /// State of the `Request`. + var state: State = .initialized + /// `ProgressHandler` and `DispatchQueue` provided for upload progress callbacks. + var uploadProgressHandler: (handler: ProgressHandler, queue: DispatchQueue)? + /// `ProgressHandler` and `DispatchQueue` provided for download progress callbacks. + var downloadProgressHandler: (handler: ProgressHandler, queue: DispatchQueue)? + /// `RedirectHandler` provided for to handle request redirection. + var redirectHandler: RedirectHandler? + /// `CachedResponseHandler` provided to handle response caching. + var cachedResponseHandler: CachedResponseHandler? + /// Closure called when the `Request` is able to create a cURL description of itself. + var cURLHandler: ((String) -> Void)? + /// Response serialization closures that handle response parsing. + var responseSerializers: [() -> Void] = [] + /// Response serialization completion closures executed once all response serializers are complete. + var responseSerializerCompletions: [() -> Void] = [] + /// Whether response serializer processing is finished. + var responseSerializerProcessingFinished = false + /// `URLCredential` used for authentication challenges. + var credential: URLCredential? + /// All `URLRequest`s created by Alamofire on behalf of the `Request`. + var requests: [URLRequest] = [] + /// All `URLSessionTask`s created by Alamofire on behalf of the `Request`. + var tasks: [URLSessionTask] = [] + /// All `URLSessionTaskMetrics` values gathered by Alamofire on behalf of the `Request`. Should correspond + /// exactly the the `tasks` created. + var metrics: [URLSessionTaskMetrics] = [] + /// Number of times any retriers provided retried the `Request`. + var retryCount = 0 + /// Final `AFError` for the `Request`, whether from various internal Alamofire calls or as a result of a `task`. + var error: AFError? + /// Whether the instance has had `finish()` called and is running the serializers. Should be replaced with a + /// representation in the state machine in the future. + var isFinishing = false + } + + /// Protected `MutableState` value that provides thread-safe access to state values. + @Protected + fileprivate var mutableState = MutableState() + + /// `State` of the `Request`. + public var state: State { mutableState.state } + /// Returns whether `state` is `.initialized`. + public var isInitialized: Bool { state == .initialized } + /// Returns whether `state is `.resumed`. + public var isResumed: Bool { state == .resumed } + /// Returns whether `state` is `.suspended`. + public var isSuspended: Bool { state == .suspended } + /// Returns whether `state` is `.cancelled`. + public var isCancelled: Bool { state == .cancelled } + /// Returns whether `state` is `.finished`. + public var isFinished: Bool { state == .finished } + + // MARK: Progress + + /// Closure type executed when monitoring the upload or download progress of a request. + public typealias ProgressHandler = (Progress) -> Void + + /// `Progress` of the upload of the body of the executed `URLRequest`. Reset to `0` if the `Request` is retried. + public let uploadProgress = Progress(totalUnitCount: 0) + /// `Progress` of the download of any response data. Reset to `0` if the `Request` is retried. + public let downloadProgress = Progress(totalUnitCount: 0) + /// `ProgressHandler` called when `uploadProgress` is updated, on the provided `DispatchQueue`. + fileprivate var uploadProgressHandler: (handler: ProgressHandler, queue: DispatchQueue)? { + get { mutableState.uploadProgressHandler } + set { mutableState.uploadProgressHandler = newValue } + } + + /// `ProgressHandler` called when `downloadProgress` is updated, on the provided `DispatchQueue`. + fileprivate var downloadProgressHandler: (handler: ProgressHandler, queue: DispatchQueue)? { + get { mutableState.downloadProgressHandler } + set { mutableState.downloadProgressHandler = newValue } + } + + // MARK: Redirect Handling + + /// `RedirectHandler` set on the instance. + public private(set) var redirectHandler: RedirectHandler? { + get { mutableState.redirectHandler } + set { mutableState.redirectHandler = newValue } + } + + // MARK: Cached Response Handling + + /// `CachedResponseHandler` set on the instance. + public private(set) var cachedResponseHandler: CachedResponseHandler? { + get { mutableState.cachedResponseHandler } + set { mutableState.cachedResponseHandler = newValue } + } + + // MARK: URLCredential + + /// `URLCredential` used for authentication challenges. Created by calling one of the `authenticate` methods. + public private(set) var credential: URLCredential? { + get { mutableState.credential } + set { mutableState.credential = newValue } + } + + // MARK: Validators + + /// `Validator` callback closures that store the validation calls enqueued. + @Protected + fileprivate var validators: [() -> Void] = [] + + // MARK: URLRequests + + /// All `URLRequests` created on behalf of the `Request`, including original and adapted requests. + public var requests: [URLRequest] { mutableState.requests } + /// First `URLRequest` created on behalf of the `Request`. May not be the first one actually executed. + public var firstRequest: URLRequest? { requests.first } + /// Last `URLRequest` created on behalf of the `Request`. + public var lastRequest: URLRequest? { requests.last } + /// Current `URLRequest` created on behalf of the `Request`. + public var request: URLRequest? { lastRequest } + + /// `URLRequest`s from all of the `URLSessionTask`s executed on behalf of the `Request`. May be different from + /// `requests` due to `URLSession` manipulation. + public var performedRequests: [URLRequest] { $mutableState.read { $0.tasks.compactMap { $0.currentRequest } } } + + // MARK: HTTPURLResponse + + /// `HTTPURLResponse` received from the server, if any. If the `Request` was retried, this is the response of the + /// last `URLSessionTask`. + public var response: HTTPURLResponse? { lastTask?.response as? HTTPURLResponse } + + // MARK: Tasks + + /// All `URLSessionTask`s created on behalf of the `Request`. + public var tasks: [URLSessionTask] { mutableState.tasks } + /// First `URLSessionTask` created on behalf of the `Request`. + public var firstTask: URLSessionTask? { tasks.first } + /// Last `URLSessionTask` crated on behalf of the `Request`. + public var lastTask: URLSessionTask? { tasks.last } + /// Current `URLSessionTask` created on behalf of the `Request`. + public var task: URLSessionTask? { lastTask } + + // MARK: Metrics + + /// All `URLSessionTaskMetrics` gathered on behalf of the `Request`. Should correspond to the `tasks` created. + public var allMetrics: [URLSessionTaskMetrics] { mutableState.metrics } + /// First `URLSessionTaskMetrics` gathered on behalf of the `Request`. + public var firstMetrics: URLSessionTaskMetrics? { allMetrics.first } + /// Last `URLSessionTaskMetrics` gathered on behalf of the `Request`. + public var lastMetrics: URLSessionTaskMetrics? { allMetrics.last } + /// Current `URLSessionTaskMetrics` gathered on behalf of the `Request`. + public var metrics: URLSessionTaskMetrics? { lastMetrics } + + // MARK: Retry Count + + /// Number of times the `Request` has been retried. + public var retryCount: Int { mutableState.retryCount } + + // MARK: Error + + /// `Error` returned from Alamofire internally, from the network request directly, or any validators executed. + public fileprivate(set) var error: AFError? { + get { mutableState.error } + set { mutableState.error = newValue } + } + + /// Default initializer for the `Request` superclass. + /// + /// - Parameters: + /// - id: `UUID` used for the `Hashable` and `Equatable` implementations. `UUID()` by default. + /// - underlyingQueue: `DispatchQueue` on which all internal `Request` work is performed. + /// - serializationQueue: `DispatchQueue` on which all serialization work is performed. By default targets + /// `underlyingQueue`, but can be passed another queue from a `Session`. + /// - eventMonitor: `EventMonitor` called for event callbacks from internal `Request` actions. + /// - interceptor: `RequestInterceptor` used throughout the request lifecycle. + /// - delegate: `RequestDelegate` that provides an interface to actions not performed by the `Request`. + init(id: UUID = UUID(), + underlyingQueue: DispatchQueue, + serializationQueue: DispatchQueue, + eventMonitor: EventMonitor?, + interceptor: RequestInterceptor?, + delegate: RequestDelegate) { + self.id = id + self.underlyingQueue = underlyingQueue + self.serializationQueue = serializationQueue + self.eventMonitor = eventMonitor + self.interceptor = interceptor + self.delegate = delegate + } + + // MARK: - Internal Event API + + // All API must be called from underlyingQueue. + + /// Called when an initial `URLRequest` has been created on behalf of the instance. If a `RequestAdapter` is active, + /// the `URLRequest` will be adapted before being issued. + /// + /// - Parameter request: The `URLRequest` created. + func didCreateInitialURLRequest(_ request: URLRequest) { + dispatchPrecondition(condition: .onQueue(underlyingQueue)) + + $mutableState.write { $0.requests.append(request) } + + eventMonitor?.request(self, didCreateInitialURLRequest: request) + } + + /// Called when initial `URLRequest` creation has failed, typically through a `URLRequestConvertible`. + /// + /// - Note: Triggers retry. + /// + /// - Parameter error: `AFError` thrown from the failed creation. + func didFailToCreateURLRequest(with error: AFError) { + dispatchPrecondition(condition: .onQueue(underlyingQueue)) + + self.error = error + + eventMonitor?.request(self, didFailToCreateURLRequestWithError: error) + + callCURLHandlerIfNecessary() + + retryOrFinish(error: error) + } + + /// Called when a `RequestAdapter` has successfully adapted a `URLRequest`. + /// + /// - Parameters: + /// - initialRequest: The `URLRequest` that was adapted. + /// - adaptedRequest: The `URLRequest` returned by the `RequestAdapter`. + func didAdaptInitialRequest(_ initialRequest: URLRequest, to adaptedRequest: URLRequest) { + dispatchPrecondition(condition: .onQueue(underlyingQueue)) + + $mutableState.write { $0.requests.append(adaptedRequest) } + + eventMonitor?.request(self, didAdaptInitialRequest: initialRequest, to: adaptedRequest) + } + + /// Called when a `RequestAdapter` fails to adapt a `URLRequest`. + /// + /// - Note: Triggers retry. + /// + /// - Parameters: + /// - request: The `URLRequest` the adapter was called with. + /// - error: The `AFError` returned by the `RequestAdapter`. + func didFailToAdaptURLRequest(_ request: URLRequest, withError error: AFError) { + dispatchPrecondition(condition: .onQueue(underlyingQueue)) + + self.error = error + + eventMonitor?.request(self, didFailToAdaptURLRequest: request, withError: error) + + callCURLHandlerIfNecessary() + + retryOrFinish(error: error) + } + + /// Final `URLRequest` has been created for the instance. + /// + /// - Parameter request: The `URLRequest` created. + func didCreateURLRequest(_ request: URLRequest) { + dispatchPrecondition(condition: .onQueue(underlyingQueue)) + + eventMonitor?.request(self, didCreateURLRequest: request) + + callCURLHandlerIfNecessary() + } + + /// Asynchronously calls any stored `cURLHandler` and then removes it from `mutableState`. + private func callCURLHandlerIfNecessary() { + $mutableState.write { mutableState in + guard let cURLHandler = mutableState.cURLHandler else { return } + + self.underlyingQueue.async { cURLHandler(self.cURLDescription()) } + mutableState.cURLHandler = nil + } + } + + /// Called when a `URLSessionTask` is created on behalf of the instance. + /// + /// - Parameter task: The `URLSessionTask` created. + func didCreateTask(_ task: URLSessionTask) { + dispatchPrecondition(condition: .onQueue(underlyingQueue)) + + $mutableState.write { $0.tasks.append(task) } + + eventMonitor?.request(self, didCreateTask: task) + } + + /// Called when resumption is completed. + func didResume() { + dispatchPrecondition(condition: .onQueue(underlyingQueue)) + + eventMonitor?.requestDidResume(self) + } + + /// Called when a `URLSessionTask` is resumed on behalf of the instance. + /// + /// - Parameter task: The `URLSessionTask` resumed. + func didResumeTask(_ task: URLSessionTask) { + dispatchPrecondition(condition: .onQueue(underlyingQueue)) + + eventMonitor?.request(self, didResumeTask: task) + } + + /// Called when suspension is completed. + func didSuspend() { + dispatchPrecondition(condition: .onQueue(underlyingQueue)) + + eventMonitor?.requestDidSuspend(self) + } + + /// Called when a `URLSessionTask` is suspended on behalf of the instance. + /// + /// - Parameter task: The `URLSessionTask` suspended. + func didSuspendTask(_ task: URLSessionTask) { + dispatchPrecondition(condition: .onQueue(underlyingQueue)) + + eventMonitor?.request(self, didSuspendTask: task) + } + + /// Called when cancellation is completed, sets `error` to `AFError.explicitlyCancelled`. + func didCancel() { + dispatchPrecondition(condition: .onQueue(underlyingQueue)) + + error = error ?? AFError.explicitlyCancelled + + eventMonitor?.requestDidCancel(self) + } + + /// Called when a `URLSessionTask` is cancelled on behalf of the instance. + /// + /// - Parameter task: The `URLSessionTask` cancelled. + func didCancelTask(_ task: URLSessionTask) { + dispatchPrecondition(condition: .onQueue(underlyingQueue)) + + eventMonitor?.request(self, didCancelTask: task) + } + + /// Called when a `URLSessionTaskMetrics` value is gathered on behalf of the instance. + /// + /// - Parameter metrics: The `URLSessionTaskMetrics` gathered. + func didGatherMetrics(_ metrics: URLSessionTaskMetrics) { + dispatchPrecondition(condition: .onQueue(underlyingQueue)) + + $mutableState.write { $0.metrics.append(metrics) } + + eventMonitor?.request(self, didGatherMetrics: metrics) + } + + /// Called when a `URLSessionTask` fails before it is finished, typically during certificate pinning. + /// + /// - Parameters: + /// - task: The `URLSessionTask` which failed. + /// - error: The early failure `AFError`. + func didFailTask(_ task: URLSessionTask, earlyWithError error: AFError) { + dispatchPrecondition(condition: .onQueue(underlyingQueue)) + + self.error = error + + // Task will still complete, so didCompleteTask(_:with:) will handle retry. + eventMonitor?.request(self, didFailTask: task, earlyWithError: error) + } + + /// Called when a `URLSessionTask` completes. All tasks will eventually call this method. + /// + /// - Note: Response validation is synchronously triggered in this step. + /// + /// - Parameters: + /// - task: The `URLSessionTask` which completed. + /// - error: The `AFError` `task` may have completed with. If `error` has already been set on the instance, this + /// value is ignored. + func didCompleteTask(_ task: URLSessionTask, with error: AFError?) { + dispatchPrecondition(condition: .onQueue(underlyingQueue)) + + self.error = self.error ?? error + + validators.forEach { $0() } + + eventMonitor?.request(self, didCompleteTask: task, with: error) + + retryOrFinish(error: self.error) + } + + /// Called when the `RequestDelegate` is going to retry this `Request`. Calls `reset()`. + func prepareForRetry() { + dispatchPrecondition(condition: .onQueue(underlyingQueue)) + + $mutableState.write { $0.retryCount += 1 } + + reset() + + eventMonitor?.requestIsRetrying(self) + } + + /// Called to determine whether retry will be triggered for the particular error, or whether the instance should + /// call `finish()`. + /// + /// - Parameter error: The possible `AFError` which may trigger retry. + func retryOrFinish(error: AFError?) { + dispatchPrecondition(condition: .onQueue(underlyingQueue)) + + guard let error = error, let delegate = delegate else { finish(); return } + + delegate.retryResult(for: self, dueTo: error) { retryResult in + switch retryResult { + case .doNotRetry: + self.finish() + case let .doNotRetryWithError(retryError): + self.finish(error: retryError.asAFError(orFailWith: "Received retryError was not already AFError")) + case .retry, .retryWithDelay: + delegate.retryRequest(self, withDelay: retryResult.delay) + } + } + } + + /// Finishes this `Request` and starts the response serializers. + /// + /// - Parameter error: The possible `Error` with which the instance will finish. + func finish(error: AFError? = nil) { + dispatchPrecondition(condition: .onQueue(underlyingQueue)) + + guard !mutableState.isFinishing else { return } + + mutableState.isFinishing = true + + if let error = error { self.error = error } + + // Start response handlers + processNextResponseSerializer() + + eventMonitor?.requestDidFinish(self) + } + + /// Appends the response serialization closure to the instance. + /// + /// - Note: This method will also `resume` the instance if `delegate.startImmediately` returns `true`. + /// + /// - Parameter closure: The closure containing the response serialization call. + func appendResponseSerializer(_ closure: @escaping () -> Void) { + $mutableState.write { mutableState in + mutableState.responseSerializers.append(closure) + + if mutableState.state == .finished { + mutableState.state = .resumed + } + + if mutableState.responseSerializerProcessingFinished { + underlyingQueue.async { self.processNextResponseSerializer() } + } + + if mutableState.state.canTransitionTo(.resumed) { + underlyingQueue.async { if self.delegate?.startImmediately == true { self.resume() } } + } + } + } + + /// Returns the next response serializer closure to execute if there's one left. + /// + /// - Returns: The next response serialization closure, if there is one. + func nextResponseSerializer() -> (() -> Void)? { + var responseSerializer: (() -> Void)? + + $mutableState.write { mutableState in + let responseSerializerIndex = mutableState.responseSerializerCompletions.count + + if responseSerializerIndex < mutableState.responseSerializers.count { + responseSerializer = mutableState.responseSerializers[responseSerializerIndex] + } + } + + return responseSerializer + } + + /// Processes the next response serializer and calls all completions if response serialization is complete. + func processNextResponseSerializer() { + guard let responseSerializer = nextResponseSerializer() else { + // Execute all response serializer completions and clear them + var completions: [() -> Void] = [] + + $mutableState.write { mutableState in + completions = mutableState.responseSerializerCompletions + + // Clear out all response serializers and response serializer completions in mutable state since the + // request is complete. It's important to do this prior to calling the completion closures in case + // the completions call back into the request triggering a re-processing of the response serializers. + // An example of how this can happen is by calling cancel inside a response completion closure. + mutableState.responseSerializers.removeAll() + mutableState.responseSerializerCompletions.removeAll() + + if mutableState.state.canTransitionTo(.finished) { + mutableState.state = .finished + } + + mutableState.responseSerializerProcessingFinished = true + mutableState.isFinishing = false + } + + completions.forEach { $0() } + + // Cleanup the request + cleanup() + + return + } + + serializationQueue.async { responseSerializer() } + } + + /// Notifies the `Request` that the response serializer is complete. + /// + /// - Parameter completion: The completion handler provided with the response serializer, called when all serializers + /// are complete. + func responseSerializerDidComplete(completion: @escaping () -> Void) { + $mutableState.write { $0.responseSerializerCompletions.append(completion) } + processNextResponseSerializer() + } + + /// Resets all task and response serializer related state for retry. + func reset() { + error = nil + + uploadProgress.totalUnitCount = 0 + uploadProgress.completedUnitCount = 0 + downloadProgress.totalUnitCount = 0 + downloadProgress.completedUnitCount = 0 + + $mutableState.write { state in + state.isFinishing = false + state.responseSerializerCompletions = [] + } + } + + /// Called when updating the upload progress. + /// + /// - Parameters: + /// - totalBytesSent: Total bytes sent so far. + /// - totalBytesExpectedToSend: Total bytes expected to send. + func updateUploadProgress(totalBytesSent: Int64, totalBytesExpectedToSend: Int64) { + uploadProgress.totalUnitCount = totalBytesExpectedToSend + uploadProgress.completedUnitCount = totalBytesSent + + uploadProgressHandler?.queue.async { self.uploadProgressHandler?.handler(self.uploadProgress) } + } + + /// Perform a closure on the current `state` while locked. + /// + /// - Parameter perform: The closure to perform. + func withState(perform: (State) -> Void) { + $mutableState.withState(perform: perform) + } + + // MARK: Task Creation + + /// Called when creating a `URLSessionTask` for this `Request`. Subclasses must override. + /// + /// - Parameters: + /// - request: `URLRequest` to use to create the `URLSessionTask`. + /// - session: `URLSession` which creates the `URLSessionTask`. + /// + /// - Returns: The `URLSessionTask` created. + func task(for request: URLRequest, using session: URLSession) -> URLSessionTask { + fatalError("Subclasses must override.") + } + + // MARK: - Public API + + // These APIs are callable from any queue. + + // MARK: State + + /// Cancels the instance. Once cancelled, a `Request` can no longer be resumed or suspended. + /// + /// - Returns: The instance. + @discardableResult + public func cancel() -> Self { + $mutableState.write { mutableState in + guard mutableState.state.canTransitionTo(.cancelled) else { return } + + mutableState.state = .cancelled + + underlyingQueue.async { self.didCancel() } + + guard let task = mutableState.tasks.last, task.state != .completed else { + underlyingQueue.async { self.finish() } + return + } + + // Resume to ensure metrics are gathered. + task.resume() + task.cancel() + underlyingQueue.async { self.didCancelTask(task) } + } + + return self + } + + /// Suspends the instance. + /// + /// - Returns: The instance. + @discardableResult + public func suspend() -> Self { + $mutableState.write { mutableState in + guard mutableState.state.canTransitionTo(.suspended) else { return } + + mutableState.state = .suspended + + underlyingQueue.async { self.didSuspend() } + + guard let task = mutableState.tasks.last, task.state != .completed else { return } + + task.suspend() + underlyingQueue.async { self.didSuspendTask(task) } + } + + return self + } + + /// Resumes the instance. + /// + /// - Returns: The instance. + @discardableResult + public func resume() -> Self { + $mutableState.write { mutableState in + guard mutableState.state.canTransitionTo(.resumed) else { return } + + mutableState.state = .resumed + + underlyingQueue.async { self.didResume() } + + guard let task = mutableState.tasks.last, task.state != .completed else { return } + + task.resume() + underlyingQueue.async { self.didResumeTask(task) } + } + + return self + } + + // MARK: - Closure API + + /// Associates a credential using the provided values with the instance. + /// + /// - Parameters: + /// - username: The username. + /// - password: The password. + /// - persistence: The `URLCredential.Persistence` for the created `URLCredential`. `.forSession` by default. + /// + /// - Returns: The instance. + @discardableResult + public func authenticate(username: String, password: String, persistence: URLCredential.Persistence = .forSession) -> Self { + let credential = URLCredential(user: username, password: password, persistence: persistence) + + return authenticate(with: credential) + } + + /// Associates the provided credential with the instance. + /// + /// - Parameter credential: The `URLCredential`. + /// + /// - Returns: The instance. + @discardableResult + public func authenticate(with credential: URLCredential) -> Self { + mutableState.credential = credential + + return self + } + + /// Sets a closure to be called periodically during the lifecycle of the instance as data is read from the server. + /// + /// - Note: Only the last closure provided is used. + /// + /// - Parameters: + /// - queue: The `DispatchQueue` to execute the closure on. `.main` by default. + /// - closure: The closure to be executed periodically as data is read from the server. + /// + /// - Returns: The instance. + @discardableResult + public func downloadProgress(queue: DispatchQueue = .main, closure: @escaping ProgressHandler) -> Self { + mutableState.downloadProgressHandler = (handler: closure, queue: queue) + + return self + } + + /// Sets a closure to be called periodically during the lifecycle of the instance as data is sent to the server. + /// + /// - Note: Only the last closure provided is used. + /// + /// - Parameters: + /// - queue: The `DispatchQueue` to execute the closure on. `.main` by default. + /// - closure: The closure to be executed periodically as data is sent to the server. + /// + /// - Returns: The instance. + @discardableResult + public func uploadProgress(queue: DispatchQueue = .main, closure: @escaping ProgressHandler) -> Self { + mutableState.uploadProgressHandler = (handler: closure, queue: queue) + + return self + } + + // MARK: Redirects + + /// Sets the redirect handler for the instance which will be used if a redirect response is encountered. + /// + /// - Note: Attempting to set the redirect handler more than once is a logic error and will crash. + /// + /// - Parameter handler: The `RedirectHandler`. + /// + /// - Returns: The instance. + @discardableResult + public func redirect(using handler: RedirectHandler) -> Self { + $mutableState.write { mutableState in + precondition(mutableState.redirectHandler == nil, "Redirect handler has already been set.") + mutableState.redirectHandler = handler + } + + return self + } + + // MARK: Cached Responses + + /// Sets the cached response handler for the `Request` which will be used when attempting to cache a response. + /// + /// - Note: Attempting to set the cache handler more than once is a logic error and will crash. + /// + /// - Parameter handler: The `CachedResponseHandler`. + /// + /// - Returns: The instance. + @discardableResult + public func cacheResponse(using handler: CachedResponseHandler) -> Self { + $mutableState.write { mutableState in + precondition(mutableState.cachedResponseHandler == nil, "Cached response handler has already been set.") + mutableState.cachedResponseHandler = handler + } + + return self + } + + /// Sets a handler to be called when the cURL description of the request is available. + /// + /// - Note: When waiting for a `Request`'s `URLRequest` to be created, only the last `handler` will be called. + /// + /// - Parameter handler: Closure to be called when the cURL description is available. + /// + /// - Returns: The instance. + @discardableResult + public func cURLDescription(calling handler: @escaping (String) -> Void) -> Self { + $mutableState.write { mutableState in + if mutableState.requests.last != nil { + underlyingQueue.async { handler(self.cURLDescription()) } + } else { + mutableState.cURLHandler = handler + } + } + + return self + } + + // MARK: Cleanup + + /// Final cleanup step executed when the instance finishes response serialization. + func cleanup() { + delegate?.cleanup(after: self) + // No-op: override in subclass + } +} + +// MARK: - Protocol Conformances + +extension Request: Equatable { + public static func ==(lhs: Request, rhs: Request) -> Bool { + lhs.id == rhs.id + } +} + +extension Request: Hashable { + public func hash(into hasher: inout Hasher) { + hasher.combine(id) + } +} + +extension Request: CustomStringConvertible { + /// A textual representation of this instance, including the `HTTPMethod` and `URL` if the `URLRequest` has been + /// created, as well as the response status code, if a response has been received. + public var description: String { + guard let request = performedRequests.last ?? lastRequest, + let url = request.url, + let method = request.httpMethod else { return "No request created yet." } + + let requestDescription = "\(method) \(url.absoluteString)" + + return response.map { "\(requestDescription) (\($0.statusCode))" } ?? requestDescription + } +} + +extension Request { + /// cURL representation of the instance. + /// + /// - Returns: The cURL equivalent of the instance. + public func cURLDescription() -> String { + guard + let request = lastRequest, + let url = request.url, + let host = url.host, + let method = request.httpMethod else { return "$ curl command could not be created" } + + var components = ["$ curl -v"] + + components.append("-X \(method)") + + if let credentialStorage = delegate?.sessionConfiguration.urlCredentialStorage { + let protectionSpace = URLProtectionSpace(host: host, + port: url.port ?? 0, + protocol: url.scheme, + realm: host, + authenticationMethod: NSURLAuthenticationMethodHTTPBasic) + + if let credentials = credentialStorage.credentials(for: protectionSpace)?.values { + for credential in credentials { + guard let user = credential.user, let password = credential.password else { continue } + components.append("-u \(user):\(password)") + } + } else { + if let credential = credential, let user = credential.user, let password = credential.password { + components.append("-u \(user):\(password)") + } + } + } + + if let configuration = delegate?.sessionConfiguration, configuration.httpShouldSetCookies { + if + let cookieStorage = configuration.httpCookieStorage, + let cookies = cookieStorage.cookies(for: url), !cookies.isEmpty { + let allCookies = cookies.map { "\($0.name)=\($0.value)" }.joined(separator: ";") + + components.append("-b \"\(allCookies)\"") + } + } + + var headers = HTTPHeaders() + + if let sessionHeaders = delegate?.sessionConfiguration.headers { + for header in sessionHeaders where header.name != "Cookie" { + headers[header.name] = header.value + } + } + + for header in request.headers where header.name != "Cookie" { + headers[header.name] = header.value + } + + for header in headers { + let escapedValue = header.value.replacingOccurrences(of: "\"", with: "\\\"") + components.append("-H \"\(header.name): \(escapedValue)\"") + } + + if let httpBodyData = request.httpBody { + let httpBody = String(decoding: httpBodyData, as: UTF8.self) + var escapedBody = httpBody.replacingOccurrences(of: "\\\"", with: "\\\\\"") + escapedBody = escapedBody.replacingOccurrences(of: "\"", with: "\\\"") + + components.append("-d \"\(escapedBody)\"") + } + + components.append("\"\(url.absoluteString)\"") + + return components.joined(separator: " \\\n\t") + } +} + +/// Protocol abstraction for `Request`'s communication back to the `SessionDelegate`. +public protocol RequestDelegate: AnyObject { + /// `URLSessionConfiguration` used to create the underlying `URLSessionTask`s. + var sessionConfiguration: URLSessionConfiguration { get } + + /// Determines whether the `Request` should automatically call `resume()` when adding the first response handler. + var startImmediately: Bool { get } + + /// Notifies the delegate the `Request` has reached a point where it needs cleanup. + /// + /// - Parameter request: The `Request` to cleanup after. + func cleanup(after request: Request) + + /// Asynchronously ask the delegate whether a `Request` will be retried. + /// + /// - Parameters: + /// - request: `Request` which failed. + /// - error: `Error` which produced the failure. + /// - completion: Closure taking the `RetryResult` for evaluation. + func retryResult(for request: Request, dueTo error: AFError, completion: @escaping (RetryResult) -> Void) + + /// Asynchronously retry the `Request`. + /// + /// - Parameters: + /// - request: `Request` which will be retried. + /// - timeDelay: `TimeInterval` after which the retry will be triggered. + func retryRequest(_ request: Request, withDelay timeDelay: TimeInterval?) +} + +// MARK: - Subclasses + +// MARK: - DataRequest + +/// `Request` subclass which handles in-memory `Data` download using `URLSessionDataTask`. +public class DataRequest: Request { + /// `URLRequestConvertible` value used to create `URLRequest`s for this instance. + public let convertible: URLRequestConvertible + /// `Data` read from the server so far. + public var data: Data? { mutableData } + + /// Protected storage for the `Data` read by the instance. + @Protected + private var mutableData: Data? = nil + + /// Creates a `DataRequest` using the provided parameters. + /// + /// - Parameters: + /// - id: `UUID` used for the `Hashable` and `Equatable` implementations. `UUID()` by default. + /// - convertible: `URLRequestConvertible` value used to create `URLRequest`s for this instance. + /// - underlyingQueue: `DispatchQueue` on which all internal `Request` work is performed. + /// - serializationQueue: `DispatchQueue` on which all serialization work is performed. By default targets + /// `underlyingQueue`, but can be passed another queue from a `Session`. + /// - eventMonitor: `EventMonitor` called for event callbacks from internal `Request` actions. + /// - interceptor: `RequestInterceptor` used throughout the request lifecycle. + /// - delegate: `RequestDelegate` that provides an interface to actions not performed by the `Request`. + init(id: UUID = UUID(), + convertible: URLRequestConvertible, + underlyingQueue: DispatchQueue, + serializationQueue: DispatchQueue, + eventMonitor: EventMonitor?, + interceptor: RequestInterceptor?, + delegate: RequestDelegate) { + self.convertible = convertible + + super.init(id: id, + underlyingQueue: underlyingQueue, + serializationQueue: serializationQueue, + eventMonitor: eventMonitor, + interceptor: interceptor, + delegate: delegate) + } + + override func reset() { + super.reset() + + mutableData = nil + } + + /// Called when `Data` is received by this instance. + /// + /// - Note: Also calls `updateDownloadProgress`. + /// + /// - Parameter data: The `Data` received. + func didReceive(data: Data) { + if self.data == nil { + mutableData = data + } else { + $mutableData.write { $0?.append(data) } + } + + updateDownloadProgress() + } + + override func task(for request: URLRequest, using session: URLSession) -> URLSessionTask { + let copiedRequest = request + return session.dataTask(with: copiedRequest) + } + + /// Called to updated the `downloadProgress` of the instance. + func updateDownloadProgress() { + let totalBytesReceived = Int64(data?.count ?? 0) + let totalBytesExpected = task?.response?.expectedContentLength ?? NSURLSessionTransferSizeUnknown + + downloadProgress.totalUnitCount = totalBytesExpected + downloadProgress.completedUnitCount = totalBytesReceived + + downloadProgressHandler?.queue.async { self.downloadProgressHandler?.handler(self.downloadProgress) } + } + + /// Validates the request, using the specified closure. + /// + /// - Note: If validation fails, subsequent calls to response handlers will have an associated error. + /// + /// - Parameter validation: `Validation` closure used to validate the response. + /// + /// - Returns: The instance. + @discardableResult + public func validate(_ validation: @escaping Validation) -> Self { + let validator: () -> Void = { [unowned self] in + guard self.error == nil, let response = self.response else { return } + + let result = validation(self.request, response, self.data) + + if case let .failure(error) = result { self.error = error.asAFError(or: .responseValidationFailed(reason: .customValidationFailed(error: error))) } + + self.eventMonitor?.request(self, + didValidateRequest: self.request, + response: response, + data: self.data, + withResult: result) + } + + $validators.write { $0.append(validator) } + + return self + } +} + +// MARK: - DataStreamRequest + +/// `Request` subclass which streams HTTP response `Data` through a `Handler` closure. +public final class DataStreamRequest: Request { + /// Closure type handling `DataStreamRequest.Stream` values. + public typealias Handler = (Stream) throws -> Void + + /// Type encapsulating an `Event` as it flows through the stream, as well as a `CancellationToken` which can be used + /// to stop the stream at any time. + public struct Stream { + /// Latest `Event` from the stream. + public let event: Event + /// Token used to cancel the stream. + public let token: CancellationToken + + /// Cancel the ongoing stream by canceling the underlying `DataStreamRequest`. + public func cancel() { + token.cancel() + } + } + + /// Type representing an event flowing through the stream. Contains either the `Result` of processing streamed + /// `Data` or the completion of the stream. + public enum Event { + /// Output produced every time the instance receives additional `Data`. The associated value contains the + /// `Result` of processing the incoming `Data`. + case stream(Result) + /// Output produced when the instance has completed, whether due to stream end, cancellation, or an error. + /// Associated `Completion` value contains the final state. + case complete(Completion) + } + + /// Value containing the state of a `DataStreamRequest` when the stream was completed. + public struct Completion { + /// Last `URLRequest` issued by the instance. + public let request: URLRequest? + /// Last `HTTPURLResponse` received by the instance. + public let response: HTTPURLResponse? + /// Last `URLSessionTaskMetrics` produced for the instance. + public let metrics: URLSessionTaskMetrics? + /// `AFError` produced for the instance, if any. + public let error: AFError? + } + + /// Type used to cancel an ongoing stream. + public struct CancellationToken { + let request: DataStreamRequest + + init(_ request: DataStreamRequest) { + self.request = request + } + + /// Cancel the ongoing stream by canceling the underlying `DataStreamRequest`. + public func cancel() { + request.cancel() + } + } + + /// `URLRequestConvertible` value used to create `URLRequest`s for this instance. + public let convertible: URLRequestConvertible + /// Whether or not the instance will be cancelled if stream parsing encounters an error. + public let automaticallyCancelOnStreamError: Bool + + /// Internal mutable state specific to this type. + struct StreamMutableState { + /// `OutputStream` bound to the `InputStream` produced by `asInputStream`, if it has been called. + var outputStream: OutputStream? + /// `DispatchQueue`s and stream closures associated called as `Data` is received. + var streams: [(queue: DispatchQueue, stream: (_ data: Data) -> Void)] = [] + } + + @Protected + var streamMutableState = StreamMutableState() + + /// Creates a `DataStreamRequest` using the provided parameters. + /// + /// - Parameters: + /// - id: `UUID` used for the `Hashable` and `Equatable` implementations. `UUID()` + /// by default. + /// - convertible: `URLRequestConvertible` value used to create `URLRequest`s for this + /// instance. + /// - automaticallyCancelOnStreamError: `Bool` indicating whether the instance will be cancelled when an `Error` + /// is thrown while serializing stream `Data`. + /// - underlyingQueue: `DispatchQueue` on which all internal `Request` work is performed. + /// - serializationQueue: `DispatchQueue` on which all serialization work is performed. By default + /// targets + /// `underlyingQueue`, but can be passed another queue from a `Session`. + /// - eventMonitor: `EventMonitor` called for event callbacks from internal `Request` actions. + /// - interceptor: `RequestInterceptor` used throughout the request lifecycle. + /// - delegate: `RequestDelegate` that provides an interface to actions not performed by + /// the `Request`. + init(id: UUID = UUID(), + convertible: URLRequestConvertible, + automaticallyCancelOnStreamError: Bool, + underlyingQueue: DispatchQueue, + serializationQueue: DispatchQueue, + eventMonitor: EventMonitor?, + interceptor: RequestInterceptor?, + delegate: RequestDelegate) { + self.convertible = convertible + self.automaticallyCancelOnStreamError = automaticallyCancelOnStreamError + + super.init(id: id, + underlyingQueue: underlyingQueue, + serializationQueue: serializationQueue, + eventMonitor: eventMonitor, + interceptor: interceptor, + delegate: delegate) + } + + override func task(for request: URLRequest, using session: URLSession) -> URLSessionTask { + let copiedRequest = request + return session.dataTask(with: copiedRequest) + } + + override func finish(error: AFError? = nil) { + $streamMutableState.write { state in + state.outputStream?.close() + } + + super.finish(error: error) + } + + func didReceive(data: Data) { + $streamMutableState.read { state in + if let stream = state.outputStream { + underlyingQueue.async { + var bytes = Array(data) + stream.write(&bytes, maxLength: bytes.count) + } + } + + underlyingQueue.async { state.streams.forEach { stream in stream.queue.async { stream.stream(data) } } } + } + } + + /// Validates the `URLRequest` and `HTTPURLResponse` received for the instance using the provided `Validation` closure. + /// + /// - Parameter validation: `Validation` closure used to validate the request and response. + /// + /// - Returns: The `DataStreamRequest`. + @discardableResult + public func validate(_ validation: @escaping Validation) -> Self { + let validator: () -> Void = { [unowned self] in + guard self.error == nil, let response = self.response else { return } + + let result = validation(self.request, response) + + if case let .failure(error) = result { + self.error = error.asAFError(or: .responseValidationFailed(reason: .customValidationFailed(error: error))) + } + + self.eventMonitor?.request(self, + didValidateRequest: self.request, + response: response, + withResult: result) + } + + $validators.write { $0.append(validator) } + + return self + } + + /// Produces an `InputStream` that receives the `Data` received by the instance. + /// + /// - Note: The `InputStream` produced by this method must have `open()` called before being able to read `Data`. + /// Additionally, this method will automatically call `resume()` on the instance, regardless of whether or + /// not the creating session has `startRequestsImmediately` set to `true`. + /// + /// - Parameter bufferSize: Size, in bytes, of the buffer between the `OutputStream` and `InputStream`. + /// + /// - Returns: The `InputStream` bound to the internal `OutboundStream`. + public func asInputStream(bufferSize: Int = 1024) -> InputStream? { + defer { resume() } + + var inputStream: InputStream? + $streamMutableState.write { state in + Foundation.Stream.getBoundStreams(withBufferSize: bufferSize, + inputStream: &inputStream, + outputStream: &state.outputStream) + state.outputStream?.open() + } + + return inputStream + } + + func capturingError(from closure: () throws -> Void) { + do { + try closure() + } catch { + self.error = error.asAFError(or: .responseSerializationFailed(reason: .customSerializationFailed(error: error))) + cancel() + } + } + + func appendStreamCompletion(on queue: DispatchQueue, + stream: @escaping Handler) { + appendResponseSerializer { + self.underlyingQueue.async { + self.responseSerializerDidComplete { + queue.async { + do { + let completion = Completion(request: self.request, + response: self.response, + metrics: self.metrics, + error: self.error) + try stream(.init(event: .complete(completion), token: .init(self))) + } catch { + // Ignore error, as errors on Completion can't be handled anyway. + } + } + } + } + } + } +} + +extension DataStreamRequest.Stream { + /// Incoming `Result` values from `Event.stream`. + public var result: Result? { + guard case let .stream(result) = event else { return nil } + + return result + } + + /// `Success` value of the instance, if any. + public var value: Success? { + guard case let .success(value) = result else { return nil } + + return value + } + + /// `Failure` value of the instance, if any. + public var error: Failure? { + guard case let .failure(error) = result else { return nil } + + return error + } + + /// `Completion` value of the instance, if any. + public var completion: DataStreamRequest.Completion? { + guard case let .complete(completion) = event else { return nil } + + return completion + } +} + +// MARK: - DownloadRequest + +/// `Request` subclass which downloads `Data` to a file on disk using `URLSessionDownloadTask`. +public class DownloadRequest: Request { + /// A set of options to be executed prior to moving a downloaded file from the temporary `URL` to the destination + /// `URL`. + public struct Options: OptionSet { + /// Specifies that intermediate directories for the destination URL should be created. + public static let createIntermediateDirectories = Options(rawValue: 1 << 0) + /// Specifies that any previous file at the destination `URL` should be removed. + public static let removePreviousFile = Options(rawValue: 1 << 1) + + public let rawValue: Int + + public init(rawValue: Int) { + self.rawValue = rawValue + } + } + + // MARK: Destination + + /// A closure executed once a `DownloadRequest` has successfully completed in order to determine where to move the + /// temporary file written to during the download process. The closure takes two arguments: the temporary file URL + /// and the URL response, and returns a two arguments: the file URL where the temporary file should be moved and + /// the options defining how the file should be moved. + public typealias Destination = (_ temporaryURL: URL, + _ response: HTTPURLResponse) -> (destinationURL: URL, options: Options) + + /// Creates a download file destination closure which uses the default file manager to move the temporary file to a + /// file URL in the first available directory with the specified search path directory and search path domain mask. + /// + /// - Parameters: + /// - directory: The search path directory. `.documentDirectory` by default. + /// - domain: The search path domain mask. `.userDomainMask` by default. + /// - options: `DownloadRequest.Options` used when moving the downloaded file to its destination. None by + /// default. + /// - Returns: The `Destination` closure. + public class func suggestedDownloadDestination(for directory: FileManager.SearchPathDirectory = .documentDirectory, + in domain: FileManager.SearchPathDomainMask = .userDomainMask, + options: Options = []) -> Destination { + { temporaryURL, response in + let directoryURLs = FileManager.default.urls(for: directory, in: domain) + let url = directoryURLs.first?.appendingPathComponent(response.suggestedFilename!) ?? temporaryURL + + return (url, options) + } + } + + /// Default `Destination` used by Alamofire to ensure all downloads persist. This `Destination` prepends + /// `Alamofire_` to the automatically generated download name and moves it within the temporary directory. Files + /// with this destination must be additionally moved if they should survive the system reclamation of temporary + /// space. + static let defaultDestination: Destination = { url, _ in + let filename = "Alamofire_\(url.lastPathComponent)" + let destination = url.deletingLastPathComponent().appendingPathComponent(filename) + + return (destination, []) + } + + // MARK: Downloadable + + /// Type describing the source used to create the underlying `URLSessionDownloadTask`. + public enum Downloadable { + /// Download should be started from the `URLRequest` produced by the associated `URLRequestConvertible` value. + case request(URLRequestConvertible) + /// Download should be started from the associated resume `Data` value. + case resumeData(Data) + } + + // MARK: Mutable State + + /// Type containing all mutable state for `DownloadRequest` instances. + private struct DownloadRequestMutableState { + /// Possible resume `Data` produced when cancelling the instance. + var resumeData: Data? + /// `URL` to which `Data` is being downloaded. + var fileURL: URL? + } + + /// Protected mutable state specific to `DownloadRequest`. + @Protected + private var mutableDownloadState = DownloadRequestMutableState() + + /// If the download is resumable and eventually cancelled, this value may be used to resume the download using the + /// `download(resumingWith data:)` API. + /// + /// - Note: For more information about `resumeData`, see [Apple's documentation](https://developer.apple.com/documentation/foundation/urlsessiondownloadtask/1411634-cancel). + public var resumeData: Data? { mutableDownloadState.resumeData } + /// If the download is successful, the `URL` where the file was downloaded. + public var fileURL: URL? { mutableDownloadState.fileURL } + + // MARK: Initial State + + /// `Downloadable` value used for this instance. + public let downloadable: Downloadable + /// The `Destination` to which the downloaded file is moved. + let destination: Destination + + /// Creates a `DownloadRequest` using the provided parameters. + /// + /// - Parameters: + /// - id: `UUID` used for the `Hashable` and `Equatable` implementations. `UUID()` by default. + /// - downloadable: `Downloadable` value used to create `URLSessionDownloadTasks` for the instance. + /// - underlyingQueue: `DispatchQueue` on which all internal `Request` work is performed. + /// - serializationQueue: `DispatchQueue` on which all serialization work is performed. By default targets + /// `underlyingQueue`, but can be passed another queue from a `Session`. + /// - eventMonitor: `EventMonitor` called for event callbacks from internal `Request` actions. + /// - interceptor: `RequestInterceptor` used throughout the request lifecycle. + /// - delegate: `RequestDelegate` that provides an interface to actions not performed by the `Request` + /// - destination: `Destination` closure used to move the downloaded file to its final location. + init(id: UUID = UUID(), + downloadable: Downloadable, + underlyingQueue: DispatchQueue, + serializationQueue: DispatchQueue, + eventMonitor: EventMonitor?, + interceptor: RequestInterceptor?, + delegate: RequestDelegate, + destination: @escaping Destination) { + self.downloadable = downloadable + self.destination = destination + + super.init(id: id, + underlyingQueue: underlyingQueue, + serializationQueue: serializationQueue, + eventMonitor: eventMonitor, + interceptor: interceptor, + delegate: delegate) + } + + override func reset() { + super.reset() + + $mutableDownloadState.write { + $0.resumeData = nil + $0.fileURL = nil + } + } + + /// Called when a download has finished. + /// + /// - Parameters: + /// - task: `URLSessionTask` that finished the download. + /// - result: `Result` of the automatic move to `destination`. + func didFinishDownloading(using task: URLSessionTask, with result: Result) { + eventMonitor?.request(self, didFinishDownloadingUsing: task, with: result) + + switch result { + case let .success(url): mutableDownloadState.fileURL = url + case let .failure(error): self.error = error + } + } + + /// Updates the `downloadProgress` using the provided values. + /// + /// - Parameters: + /// - bytesWritten: Total bytes written so far. + /// - totalBytesExpectedToWrite: Total bytes expected to write. + func updateDownloadProgress(bytesWritten: Int64, totalBytesExpectedToWrite: Int64) { + downloadProgress.totalUnitCount = totalBytesExpectedToWrite + downloadProgress.completedUnitCount += bytesWritten + + downloadProgressHandler?.queue.async { self.downloadProgressHandler?.handler(self.downloadProgress) } + } + + override func task(for request: URLRequest, using session: URLSession) -> URLSessionTask { + session.downloadTask(with: request) + } + + /// Creates a `URLSessionTask` from the provided resume data. + /// + /// - Parameters: + /// - data: `Data` used to resume the download. + /// - session: `URLSession` used to create the `URLSessionTask`. + /// + /// - Returns: The `URLSessionTask` created. + public func task(forResumeData data: Data, using session: URLSession) -> URLSessionTask { + session.downloadTask(withResumeData: data) + } + + /// Cancels the instance. Once cancelled, a `DownloadRequest` can no longer be resumed or suspended. + /// + /// - Note: This method will NOT produce resume data. If you wish to cancel and produce resume data, use + /// `cancel(producingResumeData:)` or `cancel(byProducingResumeData:)`. + /// + /// - Returns: The instance. + @discardableResult + override public func cancel() -> Self { + cancel(producingResumeData: false) + } + + /// Cancels the instance, optionally producing resume data. Once cancelled, a `DownloadRequest` can no longer be + /// resumed or suspended. + /// + /// - Note: If `producingResumeData` is `true`, the `resumeData` property will be populated with any resume data, if + /// available. + /// + /// - Returns: The instance. + @discardableResult + public func cancel(producingResumeData shouldProduceResumeData: Bool) -> Self { + cancel(optionallyProducingResumeData: shouldProduceResumeData ? { _ in } : nil) + } + + /// Cancels the instance while producing resume data. Once cancelled, a `DownloadRequest` can no longer be resumed + /// or suspended. + /// + /// - Note: The resume data passed to the completion handler will also be available on the instance's `resumeData` + /// property. + /// + /// - Parameter completionHandler: The completion handler that is called when the download has been successfully + /// cancelled. It is not guaranteed to be called on a particular queue, so you may + /// want use an appropriate queue to perform your work. + /// + /// - Returns: The instance. + @discardableResult + public func cancel(byProducingResumeData completionHandler: @escaping (_ data: Data?) -> Void) -> Self { + cancel(optionallyProducingResumeData: completionHandler) + } + + /// Internal implementation of cancellation that optionally takes a resume data handler. If no handler is passed, + /// cancellation is performed without producing resume data. + /// + /// - Parameter completionHandler: Optional resume data handler. + /// + /// - Returns: The instance. + private func cancel(optionallyProducingResumeData completionHandler: ((_ resumeData: Data?) -> Void)?) -> Self { + $mutableState.write { mutableState in + guard mutableState.state.canTransitionTo(.cancelled) else { return } + + mutableState.state = .cancelled + + underlyingQueue.async { self.didCancel() } + + guard let task = mutableState.tasks.last as? URLSessionDownloadTask, task.state != .completed else { + underlyingQueue.async { self.finish() } + return + } + + if let completionHandler = completionHandler { + // Resume to ensure metrics are gathered. + task.resume() + task.cancel { resumeData in + self.mutableDownloadState.resumeData = resumeData + self.underlyingQueue.async { self.didCancelTask(task) } + completionHandler(resumeData) + } + } else { + // Resume to ensure metrics are gathered. + task.resume() + task.cancel(byProducingResumeData: { _ in }) + self.underlyingQueue.async { self.didCancelTask(task) } + } + } + + return self + } + + /// Validates the request, using the specified closure. + /// + /// - Note: If validation fails, subsequent calls to response handlers will have an associated error. + /// + /// - Parameter validation: `Validation` closure to validate the response. + /// + /// - Returns: The instance. + @discardableResult + public func validate(_ validation: @escaping Validation) -> Self { + let validator: () -> Void = { [unowned self] in + guard self.error == nil, let response = self.response else { return } + + let result = validation(self.request, response, self.fileURL) + + if case let .failure(error) = result { self.error = error.asAFError(or: .responseValidationFailed(reason: .customValidationFailed(error: error))) } + + self.eventMonitor?.request(self, + didValidateRequest: self.request, + response: response, + fileURL: self.fileURL, + withResult: result) + } + + $validators.write { $0.append(validator) } + + return self + } +} + +// MARK: - UploadRequest + +/// `DataRequest` subclass which handles `Data` upload from memory, file, or stream using `URLSessionUploadTask`. +public class UploadRequest: DataRequest { + /// Type describing the origin of the upload, whether `Data`, file, or stream. + public enum Uploadable { + /// Upload from the provided `Data` value. + case data(Data) + /// Upload from the provided file `URL`, as well as a `Bool` determining whether the source file should be + /// automatically removed once uploaded. + case file(URL, shouldRemove: Bool) + /// Upload from the provided `InputStream`. + case stream(InputStream) + } + + // MARK: Initial State + + /// The `UploadableConvertible` value used to produce the `Uploadable` value for this instance. + public let upload: UploadableConvertible + + /// `FileManager` used to perform cleanup tasks, including the removal of multipart form encoded payloads written + /// to disk. + public let fileManager: FileManager + + // MARK: Mutable State + + /// `Uploadable` value used by the instance. + public var uploadable: Uploadable? + + /// Creates an `UploadRequest` using the provided parameters. + /// + /// - Parameters: + /// - id: `UUID` used for the `Hashable` and `Equatable` implementations. `UUID()` by default. + /// - convertible: `UploadConvertible` value used to determine the type of upload to be performed. + /// - underlyingQueue: `DispatchQueue` on which all internal `Request` work is performed. + /// - serializationQueue: `DispatchQueue` on which all serialization work is performed. By default targets + /// `underlyingQueue`, but can be passed another queue from a `Session`. + /// - eventMonitor: `EventMonitor` called for event callbacks from internal `Request` actions. + /// - interceptor: `RequestInterceptor` used throughout the request lifecycle. + /// - delegate: `RequestDelegate` that provides an interface to actions not performed by the `Request`. + init(id: UUID = UUID(), + convertible: UploadConvertible, + underlyingQueue: DispatchQueue, + serializationQueue: DispatchQueue, + eventMonitor: EventMonitor?, + interceptor: RequestInterceptor?, + fileManager: FileManager, + delegate: RequestDelegate) { + upload = convertible + self.fileManager = fileManager + + super.init(id: id, + convertible: convertible, + underlyingQueue: underlyingQueue, + serializationQueue: serializationQueue, + eventMonitor: eventMonitor, + interceptor: interceptor, + delegate: delegate) + } + + /// Called when the `Uploadable` value has been created from the `UploadConvertible`. + /// + /// - Parameter uploadable: The `Uploadable` that was created. + func didCreateUploadable(_ uploadable: Uploadable) { + self.uploadable = uploadable + + eventMonitor?.request(self, didCreateUploadable: uploadable) + } + + /// Called when the `Uploadable` value could not be created. + /// + /// - Parameter error: `AFError` produced by the failure. + func didFailToCreateUploadable(with error: AFError) { + self.error = error + + eventMonitor?.request(self, didFailToCreateUploadableWithError: error) + + retryOrFinish(error: error) + } + + override func task(for request: URLRequest, using session: URLSession) -> URLSessionTask { + guard let uploadable = uploadable else { + fatalError("Attempting to create a URLSessionUploadTask when Uploadable value doesn't exist.") + } + + switch uploadable { + case let .data(data): return session.uploadTask(with: request, from: data) + case let .file(url, _): return session.uploadTask(with: request, fromFile: url) + case .stream: return session.uploadTask(withStreamedRequest: request) + } + } + + override func reset() { + // Uploadable must be recreated on every retry. + uploadable = nil + + super.reset() + } + + /// Produces the `InputStream` from `uploadable`, if it can. + /// + /// - Note: Calling this method with a non-`.stream` `Uploadable` is a logic error and will crash. + /// + /// - Returns: The `InputStream`. + func inputStream() -> InputStream { + guard let uploadable = uploadable else { + fatalError("Attempting to access the input stream but the uploadable doesn't exist.") + } + + guard case let .stream(stream) = uploadable else { + fatalError("Attempted to access the stream of an UploadRequest that wasn't created with one.") + } + + eventMonitor?.request(self, didProvideInputStream: stream) + + return stream + } + + override public func cleanup() { + defer { super.cleanup() } + + guard + let uploadable = self.uploadable, + case let .file(url, shouldRemove) = uploadable, + shouldRemove + else { return } + + try? fileManager.removeItem(at: url) + } +} + +/// A type that can produce an `UploadRequest.Uploadable` value. +public protocol UploadableConvertible { + /// Produces an `UploadRequest.Uploadable` value from the instance. + /// + /// - Returns: The `UploadRequest.Uploadable`. + /// - Throws: Any `Error` produced during creation. + func createUploadable() throws -> UploadRequest.Uploadable +} + +extension UploadRequest.Uploadable: UploadableConvertible { + public func createUploadable() throws -> UploadRequest.Uploadable { + self + } +} + +/// A type that can be converted to an upload, whether from an `UploadRequest.Uploadable` or `URLRequestConvertible`. +public protocol UploadConvertible: UploadableConvertible & URLRequestConvertible {} diff --git a/Pods/Alamofire/Source/RequestInterceptor.swift b/Pods/Alamofire/Source/RequestInterceptor.swift new file mode 100644 index 0000000..1912e9c --- /dev/null +++ b/Pods/Alamofire/Source/RequestInterceptor.swift @@ -0,0 +1,244 @@ +// +// RequestInterceptor.swift +// +// Copyright (c) 2019 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +/// A type that can inspect and optionally adapt a `URLRequest` in some manner if necessary. +public protocol RequestAdapter { + /// Inspects and adapts the specified `URLRequest` in some manner and calls the completion handler with the Result. + /// + /// - Parameters: + /// - urlRequest: The `URLRequest` to adapt. + /// - session: The `Session` that will execute the `URLRequest`. + /// - completion: The completion handler that must be called when adaptation is complete. + func adapt(_ urlRequest: URLRequest, for session: Session, completion: @escaping (Result) -> Void) +} + +// MARK: - + +/// Outcome of determination whether retry is necessary. +public enum RetryResult { + /// Retry should be attempted immediately. + case retry + /// Retry should be attempted after the associated `TimeInterval`. + case retryWithDelay(TimeInterval) + /// Do not retry. + case doNotRetry + /// Do not retry due to the associated `Error`. + case doNotRetryWithError(Error) +} + +extension RetryResult { + var retryRequired: Bool { + switch self { + case .retry, .retryWithDelay: return true + default: return false + } + } + + var delay: TimeInterval? { + switch self { + case let .retryWithDelay(delay): return delay + default: return nil + } + } + + var error: Error? { + guard case let .doNotRetryWithError(error) = self else { return nil } + return error + } +} + +/// A type that determines whether a request should be retried after being executed by the specified session manager +/// and encountering an error. +public protocol RequestRetrier { + /// Determines whether the `Request` should be retried by calling the `completion` closure. + /// + /// This operation is fully asynchronous. Any amount of time can be taken to determine whether the request needs + /// to be retried. The one requirement is that the completion closure is called to ensure the request is properly + /// cleaned up after. + /// + /// - Parameters: + /// - request: `Request` that failed due to the provided `Error`. + /// - session: `Session` that produced the `Request`. + /// - error: `Error` encountered while executing the `Request`. + /// - completion: Completion closure to be executed when a retry decision has been determined. + func retry(_ request: Request, for session: Session, dueTo error: Error, completion: @escaping (RetryResult) -> Void) +} + +// MARK: - + +/// Type that provides both `RequestAdapter` and `RequestRetrier` functionality. +public protocol RequestInterceptor: RequestAdapter, RequestRetrier {} + +extension RequestInterceptor { + public func adapt(_ urlRequest: URLRequest, for session: Session, completion: @escaping (Result) -> Void) { + completion(.success(urlRequest)) + } + + public func retry(_ request: Request, + for session: Session, + dueTo error: Error, + completion: @escaping (RetryResult) -> Void) { + completion(.doNotRetry) + } +} + +/// `RequestAdapter` closure definition. +public typealias AdaptHandler = (URLRequest, Session, _ completion: @escaping (Result) -> Void) -> Void +/// `RequestRetrier` closure definition. +public typealias RetryHandler = (Request, Session, Error, _ completion: @escaping (RetryResult) -> Void) -> Void + +// MARK: - + +/// Closure-based `RequestAdapter`. +open class Adapter: RequestInterceptor { + private let adaptHandler: AdaptHandler + + /// Creates an instance using the provided closure. + /// + /// - Parameter adaptHandler: `AdaptHandler` closure to be executed when handling request adaptation. + public init(_ adaptHandler: @escaping AdaptHandler) { + self.adaptHandler = adaptHandler + } + + open func adapt(_ urlRequest: URLRequest, for session: Session, completion: @escaping (Result) -> Void) { + adaptHandler(urlRequest, session, completion) + } +} + +// MARK: - + +/// Closure-based `RequestRetrier`. +open class Retrier: RequestInterceptor { + private let retryHandler: RetryHandler + + /// Creates an instance using the provided closure. + /// + /// - Parameter retryHandler: `RetryHandler` closure to be executed when handling request retry. + public init(_ retryHandler: @escaping RetryHandler) { + self.retryHandler = retryHandler + } + + open func retry(_ request: Request, + for session: Session, + dueTo error: Error, + completion: @escaping (RetryResult) -> Void) { + retryHandler(request, session, error, completion) + } +} + +// MARK: - + +/// `RequestInterceptor` which can use multiple `RequestAdapter` and `RequestRetrier` values. +open class Interceptor: RequestInterceptor { + /// All `RequestAdapter`s associated with the instance. These adapters will be run until one fails. + public let adapters: [RequestAdapter] + /// All `RequestRetrier`s associated with the instance. These retriers will be run one at a time until one triggers retry. + public let retriers: [RequestRetrier] + + /// Creates an instance from `AdaptHandler` and `RetryHandler` closures. + /// + /// - Parameters: + /// - adaptHandler: `AdaptHandler` closure to be used. + /// - retryHandler: `RetryHandler` closure to be used. + public init(adaptHandler: @escaping AdaptHandler, retryHandler: @escaping RetryHandler) { + adapters = [Adapter(adaptHandler)] + retriers = [Retrier(retryHandler)] + } + + /// Creates an instance from `RequestAdapter` and `RequestRetrier` values. + /// + /// - Parameters: + /// - adapter: `RequestAdapter` value to be used. + /// - retrier: `RequestRetrier` value to be used. + public init(adapter: RequestAdapter, retrier: RequestRetrier) { + adapters = [adapter] + retriers = [retrier] + } + + /// Creates an instance from the arrays of `RequestAdapter` and `RequestRetrier` values. + /// + /// - Parameters: + /// - adapters: `RequestAdapter` values to be used. + /// - retriers: `RequestRetrier` values to be used. + /// - interceptors: `RequestInterceptor`s to be used. + public init(adapters: [RequestAdapter] = [], retriers: [RequestRetrier] = [], interceptors: [RequestInterceptor] = []) { + self.adapters = adapters + interceptors + self.retriers = retriers + interceptors + } + + open func adapt(_ urlRequest: URLRequest, for session: Session, completion: @escaping (Result) -> Void) { + adapt(urlRequest, for: session, using: adapters, completion: completion) + } + + private func adapt(_ urlRequest: URLRequest, + for session: Session, + using adapters: [RequestAdapter], + completion: @escaping (Result) -> Void) { + var pendingAdapters = adapters + + guard !pendingAdapters.isEmpty else { completion(.success(urlRequest)); return } + + let adapter = pendingAdapters.removeFirst() + + adapter.adapt(urlRequest, for: session) { result in + switch result { + case let .success(urlRequest): + self.adapt(urlRequest, for: session, using: pendingAdapters, completion: completion) + case .failure: + completion(result) + } + } + } + + open func retry(_ request: Request, + for session: Session, + dueTo error: Error, + completion: @escaping (RetryResult) -> Void) { + retry(request, for: session, dueTo: error, using: retriers, completion: completion) + } + + private func retry(_ request: Request, + for session: Session, + dueTo error: Error, + using retriers: [RequestRetrier], + completion: @escaping (RetryResult) -> Void) { + var pendingRetriers = retriers + + guard !pendingRetriers.isEmpty else { completion(.doNotRetry); return } + + let retrier = pendingRetriers.removeFirst() + + retrier.retry(request, for: session, dueTo: error) { result in + switch result { + case .retry, .retryWithDelay, .doNotRetryWithError: + completion(result) + case .doNotRetry: + // Only continue to the next retrier if retry was not triggered and no error was encountered + self.retry(request, for: session, dueTo: error, using: pendingRetriers, completion: completion) + } + } + } +} diff --git a/Pods/Alamofire/Source/RequestTaskMap.swift b/Pods/Alamofire/Source/RequestTaskMap.swift new file mode 100644 index 0000000..617536d --- /dev/null +++ b/Pods/Alamofire/Source/RequestTaskMap.swift @@ -0,0 +1,142 @@ +// +// RequestTaskMap.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +/// A type that maintains a two way, one to one map of `URLSessionTask`s to `Request`s. +struct RequestTaskMap { + private typealias Events = (completed: Bool, metricsGathered: Bool) + + private var tasksToRequests: [URLSessionTask: Request] + private var requestsToTasks: [Request: URLSessionTask] + private var taskEvents: [URLSessionTask: Events] + + var requests: [Request] { + Array(tasksToRequests.values) + } + + init(tasksToRequests: [URLSessionTask: Request] = [:], + requestsToTasks: [Request: URLSessionTask] = [:], + taskEvents: [URLSessionTask: (completed: Bool, metricsGathered: Bool)] = [:]) { + self.tasksToRequests = tasksToRequests + self.requestsToTasks = requestsToTasks + self.taskEvents = taskEvents + } + + subscript(_ request: Request) -> URLSessionTask? { + get { requestsToTasks[request] } + set { + guard let newValue = newValue else { + guard let task = requestsToTasks[request] else { + fatalError("RequestTaskMap consistency error: no task corresponding to request found.") + } + + requestsToTasks.removeValue(forKey: request) + tasksToRequests.removeValue(forKey: task) + taskEvents.removeValue(forKey: task) + + return + } + + requestsToTasks[request] = newValue + tasksToRequests[newValue] = request + taskEvents[newValue] = (completed: false, metricsGathered: false) + } + } + + subscript(_ task: URLSessionTask) -> Request? { + get { tasksToRequests[task] } + set { + guard let newValue = newValue else { + guard let request = tasksToRequests[task] else { + fatalError("RequestTaskMap consistency error: no request corresponding to task found.") + } + + tasksToRequests.removeValue(forKey: task) + requestsToTasks.removeValue(forKey: request) + taskEvents.removeValue(forKey: task) + + return + } + + tasksToRequests[task] = newValue + requestsToTasks[newValue] = task + taskEvents[task] = (completed: false, metricsGathered: false) + } + } + + var count: Int { + precondition(tasksToRequests.count == requestsToTasks.count, + "RequestTaskMap.count invalid, requests.count: \(tasksToRequests.count) != tasks.count: \(requestsToTasks.count)") + + return tasksToRequests.count + } + + var eventCount: Int { + precondition(taskEvents.count == count, "RequestTaskMap.eventCount invalid, count: \(count) != taskEvents.count: \(taskEvents.count)") + + return taskEvents.count + } + + var isEmpty: Bool { + precondition(tasksToRequests.isEmpty == requestsToTasks.isEmpty, + "RequestTaskMap.isEmpty invalid, requests.isEmpty: \(tasksToRequests.isEmpty) != tasks.isEmpty: \(requestsToTasks.isEmpty)") + + return tasksToRequests.isEmpty + } + + var isEventsEmpty: Bool { + precondition(taskEvents.isEmpty == isEmpty, "RequestTaskMap.isEventsEmpty invalid, isEmpty: \(isEmpty) != taskEvents.isEmpty: \(taskEvents.isEmpty)") + + return taskEvents.isEmpty + } + + mutating func disassociateIfNecessaryAfterGatheringMetricsForTask(_ task: URLSessionTask) -> Bool { + guard let events = taskEvents[task] else { + fatalError("RequestTaskMap consistency error: no events corresponding to task found.") + } + + switch (events.completed, events.metricsGathered) { + case (_, true): fatalError("RequestTaskMap consistency error: duplicate metricsGatheredForTask call.") + case (false, false): taskEvents[task] = (completed: false, metricsGathered: true); return false + case (true, false): self[task] = nil; return true + } + } + + mutating func disassociateIfNecessaryAfterCompletingTask(_ task: URLSessionTask) -> Bool { + guard let events = taskEvents[task] else { + fatalError("RequestTaskMap consistency error: no events corresponding to task found.") + } + + switch (events.completed, events.metricsGathered) { + case (true, _): fatalError("RequestTaskMap consistency error: duplicate completionReceivedForTask call.") + #if os(watchOS) // watchOS doesn't gather metrics, so unconditionally remove the reference and return true. + default: self[task] = nil; return true + #else + case (false, false): taskEvents[task] = (completed: true, metricsGathered: false); return false + case (false, true): self[task] = nil; return true + #endif + } + } +} diff --git a/Pods/Alamofire/Source/Response.swift b/Pods/Alamofire/Source/Response.swift new file mode 100644 index 0000000..530fc4e --- /dev/null +++ b/Pods/Alamofire/Source/Response.swift @@ -0,0 +1,405 @@ +// +// Response.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +/// Default type of `DataResponse` returned by Alamofire, with an `AFError` `Failure` type. +public typealias AFDataResponse = DataResponse +/// Default type of `DownloadResponse` returned by Alamofire, with an `AFError` `Failure` type. +public typealias AFDownloadResponse = DownloadResponse + +/// Type used to store all values associated with a serialized response of a `DataRequest` or `UploadRequest`. +public struct DataResponse { + /// The URL request sent to the server. + public let request: URLRequest? + + /// The server's response to the URL request. + public let response: HTTPURLResponse? + + /// The data returned by the server. + public let data: Data? + + /// The final metrics of the response. + /// + /// - Note: Due to `FB7624529`, collection of `URLSessionTaskMetrics` on watchOS is currently disabled.` + /// + public let metrics: URLSessionTaskMetrics? + + /// The time taken to serialize the response. + public let serializationDuration: TimeInterval + + /// The result of response serialization. + public let result: Result + + /// Returns the associated value of the result if it is a success, `nil` otherwise. + public var value: Success? { result.success } + + /// Returns the associated error value if the result if it is a failure, `nil` otherwise. + public var error: Failure? { result.failure } + + /// Creates a `DataResponse` instance with the specified parameters derived from the response serialization. + /// + /// - Parameters: + /// - request: The `URLRequest` sent to the server. + /// - response: The `HTTPURLResponse` from the server. + /// - data: The `Data` returned by the server. + /// - metrics: The `URLSessionTaskMetrics` of the `DataRequest` or `UploadRequest`. + /// - serializationDuration: The duration taken by serialization. + /// - result: The `Result` of response serialization. + public init(request: URLRequest?, + response: HTTPURLResponse?, + data: Data?, + metrics: URLSessionTaskMetrics?, + serializationDuration: TimeInterval, + result: Result) { + self.request = request + self.response = response + self.data = data + self.metrics = metrics + self.serializationDuration = serializationDuration + self.result = result + } +} + +// MARK: - + +extension DataResponse: CustomStringConvertible, CustomDebugStringConvertible { + /// The textual representation used when written to an output stream, which includes whether the result was a + /// success or failure. + public var description: String { + "\(result)" + } + + /// The debug textual representation used when written to an output stream, which includes the URL request, the URL + /// response, the server data, the duration of the network and serialization actions, and the response serialization + /// result. + public var debugDescription: String { + let requestDescription = request.map { "\($0.httpMethod!) \($0)" } ?? "nil" + let requestBody = request?.httpBody.map { String(decoding: $0, as: UTF8.self) } ?? "None" + let responseDescription = response.map { response in + let sortedHeaders = response.headers.sorted() + + return """ + [Status Code]: \(response.statusCode) + [Headers]: + \(sortedHeaders) + """ + } ?? "nil" + let responseBody = data.map { String(decoding: $0, as: UTF8.self) } ?? "None" + let metricsDescription = metrics.map { "\($0.taskInterval.duration)s" } ?? "None" + + return """ + [Request]: \(requestDescription) + [Request Body]: \n\(requestBody) + [Response]: \n\(responseDescription) + [Response Body]: \n\(responseBody) + [Data]: \(data?.description ?? "None") + [Network Duration]: \(metricsDescription) + [Serialization Duration]: \(serializationDuration)s + [Result]: \(result) + """ + } +} + +// MARK: - + +extension DataResponse { + /// Evaluates the specified closure when the result of this `DataResponse` is a success, passing the unwrapped + /// result value as a parameter. + /// + /// Use the `map` method with a closure that does not throw. For example: + /// + /// let possibleData: DataResponse = ... + /// let possibleInt = possibleData.map { $0.count } + /// + /// - parameter transform: A closure that takes the success value of the instance's result. + /// + /// - returns: A `DataResponse` whose result wraps the value returned by the given closure. If this instance's + /// result is a failure, returns a response wrapping the same failure. + public func map(_ transform: (Success) -> NewSuccess) -> DataResponse { + DataResponse(request: request, + response: response, + data: data, + metrics: metrics, + serializationDuration: serializationDuration, + result: result.map(transform)) + } + + /// Evaluates the given closure when the result of this `DataResponse` is a success, passing the unwrapped result + /// value as a parameter. + /// + /// Use the `tryMap` method with a closure that may throw an error. For example: + /// + /// let possibleData: DataResponse = ... + /// let possibleObject = possibleData.tryMap { + /// try JSONSerialization.jsonObject(with: $0) + /// } + /// + /// - parameter transform: A closure that takes the success value of the instance's result. + /// + /// - returns: A success or failure `DataResponse` depending on the result of the given closure. If this instance's + /// result is a failure, returns the same failure. + public func tryMap(_ transform: (Success) throws -> NewSuccess) -> DataResponse { + DataResponse(request: request, + response: response, + data: data, + metrics: metrics, + serializationDuration: serializationDuration, + result: result.tryMap(transform)) + } + + /// Evaluates the specified closure when the `DataResponse` is a failure, passing the unwrapped error as a parameter. + /// + /// Use the `mapError` function with a closure that does not throw. For example: + /// + /// let possibleData: DataResponse = ... + /// let withMyError = possibleData.mapError { MyError.error($0) } + /// + /// - Parameter transform: A closure that takes the error of the instance. + /// + /// - Returns: A `DataResponse` instance containing the result of the transform. + public func mapError(_ transform: (Failure) -> NewFailure) -> DataResponse { + DataResponse(request: request, + response: response, + data: data, + metrics: metrics, + serializationDuration: serializationDuration, + result: result.mapError(transform)) + } + + /// Evaluates the specified closure when the `DataResponse` is a failure, passing the unwrapped error as a parameter. + /// + /// Use the `tryMapError` function with a closure that may throw an error. For example: + /// + /// let possibleData: DataResponse = ... + /// let possibleObject = possibleData.tryMapError { + /// try someFailableFunction(taking: $0) + /// } + /// + /// - Parameter transform: A throwing closure that takes the error of the instance. + /// + /// - Returns: A `DataResponse` instance containing the result of the transform. + public func tryMapError(_ transform: (Failure) throws -> NewFailure) -> DataResponse { + DataResponse(request: request, + response: response, + data: data, + metrics: metrics, + serializationDuration: serializationDuration, + result: result.tryMapError(transform)) + } +} + +// MARK: - + +/// Used to store all data associated with a serialized response of a download request. +public struct DownloadResponse { + /// The URL request sent to the server. + public let request: URLRequest? + + /// The server's response to the URL request. + public let response: HTTPURLResponse? + + /// The final destination URL of the data returned from the server after it is moved. + public let fileURL: URL? + + /// The resume data generated if the request was cancelled. + public let resumeData: Data? + + /// The final metrics of the response. + /// + /// - Note: Due to `FB7624529`, collection of `URLSessionTaskMetrics` on watchOS is currently disabled.` + /// + public let metrics: URLSessionTaskMetrics? + + /// The time taken to serialize the response. + public let serializationDuration: TimeInterval + + /// The result of response serialization. + public let result: Result + + /// Returns the associated value of the result if it is a success, `nil` otherwise. + public var value: Success? { result.success } + + /// Returns the associated error value if the result if it is a failure, `nil` otherwise. + public var error: Failure? { result.failure } + + /// Creates a `DownloadResponse` instance with the specified parameters derived from response serialization. + /// + /// - Parameters: + /// - request: The `URLRequest` sent to the server. + /// - response: The `HTTPURLResponse` from the server. + /// - temporaryURL: The temporary destination `URL` of the data returned from the server. + /// - destinationURL: The final destination `URL` of the data returned from the server, if it was moved. + /// - resumeData: The resume `Data` generated if the request was cancelled. + /// - metrics: The `URLSessionTaskMetrics` of the `DownloadRequest`. + /// - serializationDuration: The duration taken by serialization. + /// - result: The `Result` of response serialization. + public init(request: URLRequest?, + response: HTTPURLResponse?, + fileURL: URL?, + resumeData: Data?, + metrics: URLSessionTaskMetrics?, + serializationDuration: TimeInterval, + result: Result) { + self.request = request + self.response = response + self.fileURL = fileURL + self.resumeData = resumeData + self.metrics = metrics + self.serializationDuration = serializationDuration + self.result = result + } +} + +// MARK: - + +extension DownloadResponse: CustomStringConvertible, CustomDebugStringConvertible { + /// The textual representation used when written to an output stream, which includes whether the result was a + /// success or failure. + public var description: String { + "\(result)" + } + + /// The debug textual representation used when written to an output stream, which includes the URL request, the URL + /// response, the temporary and destination URLs, the resume data, the durations of the network and serialization + /// actions, and the response serialization result. + public var debugDescription: String { + let requestDescription = request.map { "\($0.httpMethod!) \($0)" } ?? "nil" + let requestBody = request?.httpBody.map { String(decoding: $0, as: UTF8.self) } ?? "None" + let responseDescription = response.map { response in + let sortedHeaders = response.headers.sorted() + + return """ + [Status Code]: \(response.statusCode) + [Headers]: + \(sortedHeaders) + """ + } ?? "nil" + let metricsDescription = metrics.map { "\($0.taskInterval.duration)s" } ?? "None" + let resumeDataDescription = resumeData.map { "\($0)" } ?? "None" + + return """ + [Request]: \(requestDescription) + [Request Body]: \n\(requestBody) + [Response]: \n\(responseDescription) + [File URL]: \(fileURL?.path ?? "nil") + [ResumeData]: \(resumeDataDescription) + [Network Duration]: \(metricsDescription) + [Serialization Duration]: \(serializationDuration)s + [Result]: \(result) + """ + } +} + +// MARK: - + +extension DownloadResponse { + /// Evaluates the given closure when the result of this `DownloadResponse` is a success, passing the unwrapped + /// result value as a parameter. + /// + /// Use the `map` method with a closure that does not throw. For example: + /// + /// let possibleData: DownloadResponse = ... + /// let possibleInt = possibleData.map { $0.count } + /// + /// - parameter transform: A closure that takes the success value of the instance's result. + /// + /// - returns: A `DownloadResponse` whose result wraps the value returned by the given closure. If this instance's + /// result is a failure, returns a response wrapping the same failure. + public func map(_ transform: (Success) -> NewSuccess) -> DownloadResponse { + DownloadResponse(request: request, + response: response, + fileURL: fileURL, + resumeData: resumeData, + metrics: metrics, + serializationDuration: serializationDuration, + result: result.map(transform)) + } + + /// Evaluates the given closure when the result of this `DownloadResponse` is a success, passing the unwrapped + /// result value as a parameter. + /// + /// Use the `tryMap` method with a closure that may throw an error. For example: + /// + /// let possibleData: DownloadResponse = ... + /// let possibleObject = possibleData.tryMap { + /// try JSONSerialization.jsonObject(with: $0) + /// } + /// + /// - parameter transform: A closure that takes the success value of the instance's result. + /// + /// - returns: A success or failure `DownloadResponse` depending on the result of the given closure. If this + /// instance's result is a failure, returns the same failure. + public func tryMap(_ transform: (Success) throws -> NewSuccess) -> DownloadResponse { + DownloadResponse(request: request, + response: response, + fileURL: fileURL, + resumeData: resumeData, + metrics: metrics, + serializationDuration: serializationDuration, + result: result.tryMap(transform)) + } + + /// Evaluates the specified closure when the `DownloadResponse` is a failure, passing the unwrapped error as a parameter. + /// + /// Use the `mapError` function with a closure that does not throw. For example: + /// + /// let possibleData: DownloadResponse = ... + /// let withMyError = possibleData.mapError { MyError.error($0) } + /// + /// - Parameter transform: A closure that takes the error of the instance. + /// + /// - Returns: A `DownloadResponse` instance containing the result of the transform. + public func mapError(_ transform: (Failure) -> NewFailure) -> DownloadResponse { + DownloadResponse(request: request, + response: response, + fileURL: fileURL, + resumeData: resumeData, + metrics: metrics, + serializationDuration: serializationDuration, + result: result.mapError(transform)) + } + + /// Evaluates the specified closure when the `DownloadResponse` is a failure, passing the unwrapped error as a parameter. + /// + /// Use the `tryMapError` function with a closure that may throw an error. For example: + /// + /// let possibleData: DownloadResponse = ... + /// let possibleObject = possibleData.tryMapError { + /// try someFailableFunction(taking: $0) + /// } + /// + /// - Parameter transform: A throwing closure that takes the error of the instance. + /// + /// - Returns: A `DownloadResponse` instance containing the result of the transform. + public func tryMapError(_ transform: (Failure) throws -> NewFailure) -> DownloadResponse { + DownloadResponse(request: request, + response: response, + fileURL: fileURL, + resumeData: resumeData, + metrics: metrics, + serializationDuration: serializationDuration, + result: result.tryMapError(transform)) + } +} diff --git a/Pods/Alamofire/Source/ResponseSerialization.swift b/Pods/Alamofire/Source/ResponseSerialization.swift new file mode 100644 index 0000000..fcb7a41 --- /dev/null +++ b/Pods/Alamofire/Source/ResponseSerialization.swift @@ -0,0 +1,1052 @@ +// +// ResponseSerialization.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +// MARK: Protocols + +/// The type to which all data response serializers must conform in order to serialize a response. +public protocol DataResponseSerializerProtocol { + /// The type of serialized object to be created. + associatedtype SerializedObject + + /// Serialize the response `Data` into the provided type.. + /// + /// - Parameters: + /// - request: `URLRequest` which was used to perform the request, if any. + /// - response: `HTTPURLResponse` received from the server, if any. + /// - data: `Data` returned from the server, if any. + /// - error: `Error` produced by Alamofire or the underlying `URLSession` during the request. + /// + /// - Returns: The `SerializedObject`. + /// - Throws: Any `Error` produced during serialization. + func serialize(request: URLRequest?, response: HTTPURLResponse?, data: Data?, error: Error?) throws -> SerializedObject +} + +/// The type to which all download response serializers must conform in order to serialize a response. +public protocol DownloadResponseSerializerProtocol { + /// The type of serialized object to be created. + associatedtype SerializedObject + + /// Serialize the downloaded response `Data` from disk into the provided type.. + /// + /// - Parameters: + /// - request: `URLRequest` which was used to perform the request, if any. + /// - response: `HTTPURLResponse` received from the server, if any. + /// - fileURL: File `URL` to which the response data was downloaded. + /// - error: `Error` produced by Alamofire or the underlying `URLSession` during the request. + /// + /// - Returns: The `SerializedObject`. + /// - Throws: Any `Error` produced during serialization. + func serializeDownload(request: URLRequest?, response: HTTPURLResponse?, fileURL: URL?, error: Error?) throws -> SerializedObject +} + +/// A serializer that can handle both data and download responses. +public protocol ResponseSerializer: DataResponseSerializerProtocol & DownloadResponseSerializerProtocol { + /// `DataPreprocessor` used to prepare incoming `Data` for serialization. + var dataPreprocessor: DataPreprocessor { get } + /// `HTTPMethod`s for which empty response bodies are considered appropriate. + var emptyRequestMethods: Set { get } + /// HTTP response codes for which empty response bodies are considered appropriate. + var emptyResponseCodes: Set { get } +} + +/// Type used to preprocess `Data` before it handled by a serializer. +public protocol DataPreprocessor { + /// Process `Data` before it's handled by a serializer. + /// - Parameter data: The raw `Data` to process. + func preprocess(_ data: Data) throws -> Data +} + +/// `DataPreprocessor` that returns passed `Data` without any transform. +public struct PassthroughPreprocessor: DataPreprocessor { + public init() {} + + public func preprocess(_ data: Data) throws -> Data { data } +} + +/// `DataPreprocessor` that trims Google's typical `)]}',\n` XSSI JSON header. +public struct GoogleXSSIPreprocessor: DataPreprocessor { + public init() {} + + public func preprocess(_ data: Data) throws -> Data { + (data.prefix(6) == Data(")]}',\n".utf8)) ? data.dropFirst(6) : data + } +} + +extension ResponseSerializer { + /// Default `DataPreprocessor`. `PassthroughPreprocessor` by default. + public static var defaultDataPreprocessor: DataPreprocessor { PassthroughPreprocessor() } + /// Default `HTTPMethod`s for which empty response bodies are considered appropriate. `[.head]` by default. + public static var defaultEmptyRequestMethods: Set { [.head] } + /// HTTP response codes for which empty response bodies are considered appropriate. `[204, 205]` by default. + public static var defaultEmptyResponseCodes: Set { [204, 205] } + + public var dataPreprocessor: DataPreprocessor { Self.defaultDataPreprocessor } + public var emptyRequestMethods: Set { Self.defaultEmptyRequestMethods } + public var emptyResponseCodes: Set { Self.defaultEmptyResponseCodes } + + /// Determines whether the `request` allows empty response bodies, if `request` exists. + /// + /// - Parameter request: `URLRequest` to evaluate. + /// + /// - Returns: `Bool` representing the outcome of the evaluation, or `nil` if `request` was `nil`. + public func requestAllowsEmptyResponseData(_ request: URLRequest?) -> Bool? { + request.flatMap { $0.httpMethod } + .flatMap(HTTPMethod.init) + .map { emptyRequestMethods.contains($0) } + } + + /// Determines whether the `response` allows empty response bodies, if `response` exists`. + /// + /// - Parameter response: `HTTPURLResponse` to evaluate. + /// + /// - Returns: `Bool` representing the outcome of the evaluation, or `nil` if `response` was `nil`. + public func responseAllowsEmptyResponseData(_ response: HTTPURLResponse?) -> Bool? { + response.flatMap { $0.statusCode } + .map { emptyResponseCodes.contains($0) } + } + + /// Determines whether `request` and `response` allow empty response bodies. + /// + /// - Parameters: + /// - request: `URLRequest` to evaluate. + /// - response: `HTTPURLResponse` to evaluate. + /// + /// - Returns: `true` if `request` or `response` allow empty bodies, `false` otherwise. + public func emptyResponseAllowed(forRequest request: URLRequest?, response: HTTPURLResponse?) -> Bool { + (requestAllowsEmptyResponseData(request) == true) || (responseAllowsEmptyResponseData(response) == true) + } +} + +/// By default, any serializer declared to conform to both types will get file serialization for free, as it just feeds +/// the data read from disk into the data response serializer. +public extension DownloadResponseSerializerProtocol where Self: DataResponseSerializerProtocol { + func serializeDownload(request: URLRequest?, response: HTTPURLResponse?, fileURL: URL?, error: Error?) throws -> Self.SerializedObject { + guard error == nil else { throw error! } + + guard let fileURL = fileURL else { + throw AFError.responseSerializationFailed(reason: .inputFileNil) + } + + let data: Data + do { + data = try Data(contentsOf: fileURL) + } catch { + throw AFError.responseSerializationFailed(reason: .inputFileReadFailed(at: fileURL)) + } + + do { + return try serialize(request: request, response: response, data: data, error: error) + } catch { + throw error + } + } +} + +// MARK: - Default + +extension DataRequest { + /// Adds a handler to be called once the request has finished. + /// + /// - Parameters: + /// - queue: The queue on which the completion handler is dispatched. `.main` by default. + /// - completionHandler: The code to be executed once the request has finished. + /// + /// - Returns: The request. + @discardableResult + public func response(queue: DispatchQueue = .main, completionHandler: @escaping (AFDataResponse) -> Void) -> Self { + appendResponseSerializer { + // Start work that should be on the serialization queue. + let result = AFResult(value: self.data, error: self.error) + // End work that should be on the serialization queue. + + self.underlyingQueue.async { + let response = DataResponse(request: self.request, + response: self.response, + data: self.data, + metrics: self.metrics, + serializationDuration: 0, + result: result) + + self.eventMonitor?.request(self, didParseResponse: response) + + self.responseSerializerDidComplete { queue.async { completionHandler(response) } } + } + } + + return self + } + + /// Adds a handler to be called once the request has finished. + /// + /// - Parameters: + /// - queue: The queue on which the completion handler is dispatched. `.main` by default + /// - responseSerializer: The response serializer responsible for serializing the request, response, and data. + /// - completionHandler: The code to be executed once the request has finished. + /// + /// - Returns: The request. + @discardableResult + public func response(queue: DispatchQueue = .main, + responseSerializer: Serializer, + completionHandler: @escaping (AFDataResponse) -> Void) + -> Self { + appendResponseSerializer { + // Start work that should be on the serialization queue. + let start = ProcessInfo.processInfo.systemUptime + let result: AFResult = Result { + try responseSerializer.serialize(request: self.request, + response: self.response, + data: self.data, + error: self.error) + }.mapError { error in + error.asAFError(or: .responseSerializationFailed(reason: .customSerializationFailed(error: error))) + } + + let end = ProcessInfo.processInfo.systemUptime + // End work that should be on the serialization queue. + + self.underlyingQueue.async { + let response = DataResponse(request: self.request, + response: self.response, + data: self.data, + metrics: self.metrics, + serializationDuration: end - start, + result: result) + + self.eventMonitor?.request(self, didParseResponse: response) + + guard let serializerError = result.failure, let delegate = self.delegate else { + self.responseSerializerDidComplete { queue.async { completionHandler(response) } } + return + } + + delegate.retryResult(for: self, dueTo: serializerError) { retryResult in + var didComplete: (() -> Void)? + + defer { + if let didComplete = didComplete { + self.responseSerializerDidComplete { queue.async { didComplete() } } + } + } + + switch retryResult { + case .doNotRetry: + didComplete = { completionHandler(response) } + + case let .doNotRetryWithError(retryError): + let result: AFResult = .failure(retryError.asAFError(orFailWith: "Received retryError was not already AFError")) + + let response = DataResponse(request: self.request, + response: self.response, + data: self.data, + metrics: self.metrics, + serializationDuration: end - start, + result: result) + + didComplete = { completionHandler(response) } + + case .retry, .retryWithDelay: + delegate.retryRequest(self, withDelay: retryResult.delay) + } + } + } + } + + return self + } +} + +extension DownloadRequest { + /// Adds a handler to be called once the request has finished. + /// + /// - Parameters: + /// - queue: The queue on which the completion handler is dispatched. `.main` by default. + /// - completionHandler: The code to be executed once the request has finished. + /// + /// - Returns: The request. + @discardableResult + public func response(queue: DispatchQueue = .main, + completionHandler: @escaping (AFDownloadResponse) -> Void) + -> Self { + appendResponseSerializer { + // Start work that should be on the serialization queue. + let result = AFResult(value: self.fileURL, error: self.error) + // End work that should be on the serialization queue. + + self.underlyingQueue.async { + let response = DownloadResponse(request: self.request, + response: self.response, + fileURL: self.fileURL, + resumeData: self.resumeData, + metrics: self.metrics, + serializationDuration: 0, + result: result) + + self.eventMonitor?.request(self, didParseResponse: response) + + self.responseSerializerDidComplete { queue.async { completionHandler(response) } } + } + } + + return self + } + + /// Adds a handler to be called once the request has finished. + /// + /// - Parameters: + /// - queue: The queue on which the completion handler is dispatched. `.main` by default. + /// - responseSerializer: The response serializer responsible for serializing the request, response, and data + /// contained in the destination `URL`. + /// - completionHandler: The code to be executed once the request has finished. + /// + /// - Returns: The request. + @discardableResult + public func response(queue: DispatchQueue = .main, + responseSerializer: Serializer, + completionHandler: @escaping (AFDownloadResponse) -> Void) + -> Self { + appendResponseSerializer { + // Start work that should be on the serialization queue. + let start = ProcessInfo.processInfo.systemUptime + let result: AFResult = Result { + try responseSerializer.serializeDownload(request: self.request, + response: self.response, + fileURL: self.fileURL, + error: self.error) + }.mapError { error in + error.asAFError(or: .responseSerializationFailed(reason: .customSerializationFailed(error: error))) + } + let end = ProcessInfo.processInfo.systemUptime + // End work that should be on the serialization queue. + + self.underlyingQueue.async { + let response = DownloadResponse(request: self.request, + response: self.response, + fileURL: self.fileURL, + resumeData: self.resumeData, + metrics: self.metrics, + serializationDuration: end - start, + result: result) + + self.eventMonitor?.request(self, didParseResponse: response) + + guard let serializerError = result.failure, let delegate = self.delegate else { + self.responseSerializerDidComplete { queue.async { completionHandler(response) } } + return + } + + delegate.retryResult(for: self, dueTo: serializerError) { retryResult in + var didComplete: (() -> Void)? + + defer { + if let didComplete = didComplete { + self.responseSerializerDidComplete { queue.async { didComplete() } } + } + } + + switch retryResult { + case .doNotRetry: + didComplete = { completionHandler(response) } + + case let .doNotRetryWithError(retryError): + let result: AFResult = .failure(retryError.asAFError(orFailWith: "Received retryError was not already AFError")) + + let response = DownloadResponse(request: self.request, + response: self.response, + fileURL: self.fileURL, + resumeData: self.resumeData, + metrics: self.metrics, + serializationDuration: end - start, + result: result) + + didComplete = { completionHandler(response) } + + case .retry, .retryWithDelay: + delegate.retryRequest(self, withDelay: retryResult.delay) + } + } + } + } + + return self + } +} + +// MARK: - Data + +/// A `ResponseSerializer` that performs minimal response checking and returns any response `Data` as-is. By default, a +/// request returning `nil` or no data is considered an error. However, if the request has an `HTTPMethod` or the +/// response has an HTTP status code valid for empty responses, then an empty `Data` value is returned. +public final class DataResponseSerializer: ResponseSerializer { + public let dataPreprocessor: DataPreprocessor + public let emptyResponseCodes: Set + public let emptyRequestMethods: Set + + /// Creates an instance using the provided values. + /// + /// - Parameters: + /// - dataPreprocessor: `DataPreprocessor` used to prepare the received `Data` for serialization. + /// - emptyResponseCodes: The HTTP response codes for which empty responses are allowed. `[204, 205]` by default. + /// - emptyRequestMethods: The HTTP request methods for which empty responses are allowed. `[.head]` by default. + public init(dataPreprocessor: DataPreprocessor = DataResponseSerializer.defaultDataPreprocessor, + emptyResponseCodes: Set = DataResponseSerializer.defaultEmptyResponseCodes, + emptyRequestMethods: Set = DataResponseSerializer.defaultEmptyRequestMethods) { + self.dataPreprocessor = dataPreprocessor + self.emptyResponseCodes = emptyResponseCodes + self.emptyRequestMethods = emptyRequestMethods + } + + public func serialize(request: URLRequest?, response: HTTPURLResponse?, data: Data?, error: Error?) throws -> Data { + guard error == nil else { throw error! } + + guard var data = data, !data.isEmpty else { + guard emptyResponseAllowed(forRequest: request, response: response) else { + throw AFError.responseSerializationFailed(reason: .inputDataNilOrZeroLength) + } + + return Data() + } + + data = try dataPreprocessor.preprocess(data) + + return data + } +} + +extension DataRequest { + /// Adds a handler using a `DataResponseSerializer` to be called once the request has finished. + /// + /// - Parameters: + /// - queue: The queue on which the completion handler is called. `.main` by default. + /// - dataPreprocessor: `DataPreprocessor` which processes the received `Data` before calling the + /// `completionHandler`. `PassthroughPreprocessor()` by default. + /// - emptyResponseCodes: HTTP status codes for which empty responses are always valid. `[204, 205]` by default. + /// - emptyRequestMethods: `HTTPMethod`s for which empty responses are always valid. `[.head]` by default. + /// - completionHandler: A closure to be executed once the request has finished. + /// + /// - Returns: The request. + @discardableResult + public func responseData(queue: DispatchQueue = .main, + dataPreprocessor: DataPreprocessor = DataResponseSerializer.defaultDataPreprocessor, + emptyResponseCodes: Set = DataResponseSerializer.defaultEmptyResponseCodes, + emptyRequestMethods: Set = DataResponseSerializer.defaultEmptyRequestMethods, + completionHandler: @escaping (AFDataResponse) -> Void) -> Self { + response(queue: queue, + responseSerializer: DataResponseSerializer(dataPreprocessor: dataPreprocessor, + emptyResponseCodes: emptyResponseCodes, + emptyRequestMethods: emptyRequestMethods), + completionHandler: completionHandler) + } +} + +extension DownloadRequest { + /// Adds a handler using a `DataResponseSerializer` to be called once the request has finished. + /// + /// - Parameters: + /// - queue: The queue on which the completion handler is called. `.main` by default. + /// - dataPreprocessor: `DataPreprocessor` which processes the received `Data` before calling the + /// `completionHandler`. `PassthroughPreprocessor()` by default. + /// - emptyResponseCodes: HTTP status codes for which empty responses are always valid. `[204, 205]` by default. + /// - emptyRequestMethods: `HTTPMethod`s for which empty responses are always valid. `[.head]` by default. + /// - completionHandler: A closure to be executed once the request has finished. + /// + /// - Returns: The request. + @discardableResult + public func responseData(queue: DispatchQueue = .main, + dataPreprocessor: DataPreprocessor = DataResponseSerializer.defaultDataPreprocessor, + emptyResponseCodes: Set = DataResponseSerializer.defaultEmptyResponseCodes, + emptyRequestMethods: Set = DataResponseSerializer.defaultEmptyRequestMethods, + completionHandler: @escaping (AFDownloadResponse) -> Void) -> Self { + response(queue: queue, + responseSerializer: DataResponseSerializer(dataPreprocessor: dataPreprocessor, + emptyResponseCodes: emptyResponseCodes, + emptyRequestMethods: emptyRequestMethods), + completionHandler: completionHandler) + } +} + +// MARK: - String + +/// A `ResponseSerializer` that decodes the response data as a `String`. By default, a request returning `nil` or no +/// data is considered an error. However, if the request has an `HTTPMethod` or the response has an HTTP status code +/// valid for empty responses, then an empty `String` is returned. +public final class StringResponseSerializer: ResponseSerializer { + public let dataPreprocessor: DataPreprocessor + /// Optional string encoding used to validate the response. + public let encoding: String.Encoding? + public let emptyResponseCodes: Set + public let emptyRequestMethods: Set + + /// Creates an instance with the provided values. + /// + /// - Parameters: + /// - dataPreprocessor: `DataPreprocessor` used to prepare the received `Data` for serialization. + /// - encoding: A string encoding. Defaults to `nil`, in which case the encoding will be determined + /// from the server response, falling back to the default HTTP character set, `ISO-8859-1`. + /// - emptyResponseCodes: The HTTP response codes for which empty responses are allowed. `[204, 205]` by default. + /// - emptyRequestMethods: The HTTP request methods for which empty responses are allowed. `[.head]` by default. + public init(dataPreprocessor: DataPreprocessor = StringResponseSerializer.defaultDataPreprocessor, + encoding: String.Encoding? = nil, + emptyResponseCodes: Set = StringResponseSerializer.defaultEmptyResponseCodes, + emptyRequestMethods: Set = StringResponseSerializer.defaultEmptyRequestMethods) { + self.dataPreprocessor = dataPreprocessor + self.encoding = encoding + self.emptyResponseCodes = emptyResponseCodes + self.emptyRequestMethods = emptyRequestMethods + } + + public func serialize(request: URLRequest?, response: HTTPURLResponse?, data: Data?, error: Error?) throws -> String { + guard error == nil else { throw error! } + + guard var data = data, !data.isEmpty else { + guard emptyResponseAllowed(forRequest: request, response: response) else { + throw AFError.responseSerializationFailed(reason: .inputDataNilOrZeroLength) + } + + return "" + } + + data = try dataPreprocessor.preprocess(data) + + var convertedEncoding = encoding + + if let encodingName = response?.textEncodingName, convertedEncoding == nil { + convertedEncoding = String.Encoding(ianaCharsetName: encodingName) + } + + let actualEncoding = convertedEncoding ?? .isoLatin1 + + guard let string = String(data: data, encoding: actualEncoding) else { + throw AFError.responseSerializationFailed(reason: .stringSerializationFailed(encoding: actualEncoding)) + } + + return string + } +} + +extension DataRequest { + /// Adds a handler using a `StringResponseSerializer` to be called once the request has finished. + /// + /// - Parameters: + /// - queue: The queue on which the completion handler is dispatched. `.main` by default. + /// - dataPreprocessor: `DataPreprocessor` which processes the received `Data` before calling the + /// `completionHandler`. `PassthroughPreprocessor()` by default. + /// - encoding: The string encoding. Defaults to `nil`, in which case the encoding will be determined + /// from the server response, falling back to the default HTTP character set, `ISO-8859-1`. + /// - emptyResponseCodes: HTTP status codes for which empty responses are always valid. `[204, 205]` by default. + /// - emptyRequestMethods: `HTTPMethod`s for which empty responses are always valid. `[.head]` by default. + /// - completionHandler: A closure to be executed once the request has finished. + /// + /// - Returns: The request. + @discardableResult + public func responseString(queue: DispatchQueue = .main, + dataPreprocessor: DataPreprocessor = StringResponseSerializer.defaultDataPreprocessor, + encoding: String.Encoding? = nil, + emptyResponseCodes: Set = StringResponseSerializer.defaultEmptyResponseCodes, + emptyRequestMethods: Set = StringResponseSerializer.defaultEmptyRequestMethods, + completionHandler: @escaping (AFDataResponse) -> Void) -> Self { + response(queue: queue, + responseSerializer: StringResponseSerializer(dataPreprocessor: dataPreprocessor, + encoding: encoding, + emptyResponseCodes: emptyResponseCodes, + emptyRequestMethods: emptyRequestMethods), + completionHandler: completionHandler) + } +} + +extension DownloadRequest { + /// Adds a handler using a `StringResponseSerializer` to be called once the request has finished. + /// + /// - Parameters: + /// - queue: The queue on which the completion handler is dispatched. `.main` by default. + /// - dataPreprocessor: `DataPreprocessor` which processes the received `Data` before calling the + /// `completionHandler`. `PassthroughPreprocessor()` by default. + /// - encoding: The string encoding. Defaults to `nil`, in which case the encoding will be determined + /// from the server response, falling back to the default HTTP character set, `ISO-8859-1`. + /// - emptyResponseCodes: HTTP status codes for which empty responses are always valid. `[204, 205]` by default. + /// - emptyRequestMethods: `HTTPMethod`s for which empty responses are always valid. `[.head]` by default. + /// - completionHandler: A closure to be executed once the request has finished. + /// + /// - Returns: The request. + @discardableResult + public func responseString(queue: DispatchQueue = .main, + dataPreprocessor: DataPreprocessor = StringResponseSerializer.defaultDataPreprocessor, + encoding: String.Encoding? = nil, + emptyResponseCodes: Set = StringResponseSerializer.defaultEmptyResponseCodes, + emptyRequestMethods: Set = StringResponseSerializer.defaultEmptyRequestMethods, + completionHandler: @escaping (AFDownloadResponse) -> Void) -> Self { + response(queue: queue, + responseSerializer: StringResponseSerializer(dataPreprocessor: dataPreprocessor, + encoding: encoding, + emptyResponseCodes: emptyResponseCodes, + emptyRequestMethods: emptyRequestMethods), + completionHandler: completionHandler) + } +} + +// MARK: - JSON + +/// A `ResponseSerializer` that decodes the response data using `JSONSerialization`. By default, a request returning +/// `nil` or no data is considered an error. However, if the request has an `HTTPMethod` or the response has an +/// HTTP status code valid for empty responses, then an `NSNull` value is returned. +public final class JSONResponseSerializer: ResponseSerializer { + public let dataPreprocessor: DataPreprocessor + public let emptyResponseCodes: Set + public let emptyRequestMethods: Set + /// `JSONSerialization.ReadingOptions` used when serializing a response. + public let options: JSONSerialization.ReadingOptions + + /// Creates an instance with the provided values. + /// + /// - Parameters: + /// - dataPreprocessor: `DataPreprocessor` used to prepare the received `Data` for serialization. + /// - emptyResponseCodes: The HTTP response codes for which empty responses are allowed. `[204, 205]` by default. + /// - emptyRequestMethods: The HTTP request methods for which empty responses are allowed. `[.head]` by default. + /// - options: The options to use. `.allowFragments` by default. + public init(dataPreprocessor: DataPreprocessor = JSONResponseSerializer.defaultDataPreprocessor, + emptyResponseCodes: Set = JSONResponseSerializer.defaultEmptyResponseCodes, + emptyRequestMethods: Set = JSONResponseSerializer.defaultEmptyRequestMethods, + options: JSONSerialization.ReadingOptions = .allowFragments) { + self.dataPreprocessor = dataPreprocessor + self.emptyResponseCodes = emptyResponseCodes + self.emptyRequestMethods = emptyRequestMethods + self.options = options + } + + public func serialize(request: URLRequest?, response: HTTPURLResponse?, data: Data?, error: Error?) throws -> Any { + guard error == nil else { throw error! } + + guard var data = data, !data.isEmpty else { + guard emptyResponseAllowed(forRequest: request, response: response) else { + throw AFError.responseSerializationFailed(reason: .inputDataNilOrZeroLength) + } + + return NSNull() + } + + data = try dataPreprocessor.preprocess(data) + + do { + return try JSONSerialization.jsonObject(with: data, options: options) + } catch { + throw AFError.responseSerializationFailed(reason: .jsonSerializationFailed(error: error)) + } + } +} + +extension DataRequest { + /// Adds a handler using a `JSONResponseSerializer` to be called once the request has finished. + /// + /// - Parameters: + /// - queue: The queue on which the completion handler is dispatched. `.main` by default. + /// - dataPreprocessor: `DataPreprocessor` which processes the received `Data` before calling the + /// `completionHandler`. `PassthroughPreprocessor()` by default. + /// - encoding: The string encoding. Defaults to `nil`, in which case the encoding will be determined + /// from the server response, falling back to the default HTTP character set, `ISO-8859-1`. + /// - emptyResponseCodes: HTTP status codes for which empty responses are always valid. `[204, 205]` by default. + /// - emptyRequestMethods: `HTTPMethod`s for which empty responses are always valid. `[.head]` by default. + /// - options: `JSONSerialization.ReadingOptions` used when parsing the response. `.allowFragments` + /// by default. + /// - completionHandler: A closure to be executed once the request has finished. + /// + /// - Returns: The request. + @discardableResult + public func responseJSON(queue: DispatchQueue = .main, + dataPreprocessor: DataPreprocessor = JSONResponseSerializer.defaultDataPreprocessor, + emptyResponseCodes: Set = JSONResponseSerializer.defaultEmptyResponseCodes, + emptyRequestMethods: Set = JSONResponseSerializer.defaultEmptyRequestMethods, + options: JSONSerialization.ReadingOptions = .allowFragments, + completionHandler: @escaping (AFDataResponse) -> Void) -> Self { + response(queue: queue, + responseSerializer: JSONResponseSerializer(dataPreprocessor: dataPreprocessor, + emptyResponseCodes: emptyResponseCodes, + emptyRequestMethods: emptyRequestMethods, + options: options), + completionHandler: completionHandler) + } +} + +extension DownloadRequest { + /// Adds a handler using a `JSONResponseSerializer` to be called once the request has finished. + /// + /// - Parameters: + /// - queue: The queue on which the completion handler is dispatched. `.main` by default. + /// - dataPreprocessor: `DataPreprocessor` which processes the received `Data` before calling the + /// `completionHandler`. `PassthroughPreprocessor()` by default. + /// - encoding: The string encoding. Defaults to `nil`, in which case the encoding will be determined + /// from the server response, falling back to the default HTTP character set, `ISO-8859-1`. + /// - emptyResponseCodes: HTTP status codes for which empty responses are always valid. `[204, 205]` by default. + /// - emptyRequestMethods: `HTTPMethod`s for which empty responses are always valid. `[.head]` by default. + /// - options: `JSONSerialization.ReadingOptions` used when parsing the response. `.allowFragments` + /// by default. + /// - completionHandler: A closure to be executed once the request has finished. + /// + /// - Returns: The request. + @discardableResult + public func responseJSON(queue: DispatchQueue = .main, + dataPreprocessor: DataPreprocessor = JSONResponseSerializer.defaultDataPreprocessor, + emptyResponseCodes: Set = JSONResponseSerializer.defaultEmptyResponseCodes, + emptyRequestMethods: Set = JSONResponseSerializer.defaultEmptyRequestMethods, + options: JSONSerialization.ReadingOptions = .allowFragments, + completionHandler: @escaping (AFDownloadResponse) -> Void) -> Self { + response(queue: queue, + responseSerializer: JSONResponseSerializer(dataPreprocessor: dataPreprocessor, + emptyResponseCodes: emptyResponseCodes, + emptyRequestMethods: emptyRequestMethods, + options: options), + completionHandler: completionHandler) + } +} + +// MARK: - Empty + +/// Protocol representing an empty response. Use `T.emptyValue()` to get an instance. +public protocol EmptyResponse { + /// Empty value for the conforming type. + /// + /// - Returns: Value of `Self` to use for empty values. + static func emptyValue() -> Self +} + +/// Type representing an empty value. Use `Empty.value` to get the static instance. +public struct Empty: Codable { + /// Static `Empty` instance used for all `Empty` responses. + public static let value = Empty() +} + +extension Empty: EmptyResponse { + public static func emptyValue() -> Empty { + value + } +} + +// MARK: - DataDecoder Protocol + +/// Any type which can decode `Data` into a `Decodable` type. +public protocol DataDecoder { + /// Decode `Data` into the provided type. + /// + /// - Parameters: + /// - type: The `Type` to be decoded. + /// - data: The `Data` to be decoded. + /// + /// - Returns: The decoded value of type `D`. + /// - Throws: Any error that occurs during decode. + func decode(_ type: D.Type, from data: Data) throws -> D +} + +/// `JSONDecoder` automatically conforms to `DataDecoder`. +extension JSONDecoder: DataDecoder {} +/// `PropertyListDecoder` automatically conforms to `DataDecoder`. +extension PropertyListDecoder: DataDecoder {} + +// MARK: - Decodable + +/// A `ResponseSerializer` that decodes the response data as a generic value using any type that conforms to +/// `DataDecoder`. By default, this is an instance of `JSONDecoder`. Additionally, a request returning `nil` or no data +/// is considered an error. However, if the request has an `HTTPMethod` or the response has an HTTP status code valid +/// for empty responses then an empty value will be returned. If the decoded type conforms to `EmptyResponse`, the +/// type's `emptyValue()` will be returned. If the decoded type is `Empty`, the `.value` instance is returned. If the +/// decoded type *does not* conform to `EmptyResponse` and isn't `Empty`, an error will be produced. +public final class DecodableResponseSerializer: ResponseSerializer { + public let dataPreprocessor: DataPreprocessor + /// The `DataDecoder` instance used to decode responses. + public let decoder: DataDecoder + public let emptyResponseCodes: Set + public let emptyRequestMethods: Set + + /// Creates an instance using the values provided. + /// + /// - Parameters: + /// - dataPreprocessor: `DataPreprocessor` used to prepare the received `Data` for serialization. + /// - decoder: The `DataDecoder`. `JSONDecoder()` by default. + /// - emptyResponseCodes: The HTTP response codes for which empty responses are allowed. `[204, 205]` by default. + /// - emptyRequestMethods: The HTTP request methods for which empty responses are allowed. `[.head]` by default. + public init(dataPreprocessor: DataPreprocessor = DecodableResponseSerializer.defaultDataPreprocessor, + decoder: DataDecoder = JSONDecoder(), + emptyResponseCodes: Set = DecodableResponseSerializer.defaultEmptyResponseCodes, + emptyRequestMethods: Set = DecodableResponseSerializer.defaultEmptyRequestMethods) { + self.dataPreprocessor = dataPreprocessor + self.decoder = decoder + self.emptyResponseCodes = emptyResponseCodes + self.emptyRequestMethods = emptyRequestMethods + } + + public func serialize(request: URLRequest?, response: HTTPURLResponse?, data: Data?, error: Error?) throws -> T { + guard error == nil else { throw error! } + + guard var data = data, !data.isEmpty else { + guard emptyResponseAllowed(forRequest: request, response: response) else { + throw AFError.responseSerializationFailed(reason: .inputDataNilOrZeroLength) + } + + guard let emptyResponseType = T.self as? EmptyResponse.Type, let emptyValue = emptyResponseType.emptyValue() as? T else { + throw AFError.responseSerializationFailed(reason: .invalidEmptyResponse(type: "\(T.self)")) + } + + return emptyValue + } + + data = try dataPreprocessor.preprocess(data) + + do { + return try decoder.decode(T.self, from: data) + } catch { + throw AFError.responseSerializationFailed(reason: .decodingFailed(error: error)) + } + } +} + +extension DataRequest { + /// Adds a handler using a `DecodableResponseSerializer` to be called once the request has finished. + /// + /// - Parameters: + /// - type: `Decodable` type to decode from response data. + /// - queue: The queue on which the completion handler is dispatched. `.main` by default. + /// - dataPreprocessor: `DataPreprocessor` which processes the received `Data` before calling the + /// `completionHandler`. `PassthroughPreprocessor()` by default. + /// - decoder: `DataDecoder` to use to decode the response. `JSONDecoder()` by default. + /// - encoding: The string encoding. Defaults to `nil`, in which case the encoding will be determined + /// from the server response, falling back to the default HTTP character set, `ISO-8859-1`. + /// - emptyResponseCodes: HTTP status codes for which empty responses are always valid. `[204, 205]` by default. + /// - emptyRequestMethods: `HTTPMethod`s for which empty responses are always valid. `[.head]` by default. + /// - options: `JSONSerialization.ReadingOptions` used when parsing the response. `.allowFragments` + /// by default. + /// - completionHandler: A closure to be executed once the request has finished. + /// + /// - Returns: The request. + @discardableResult + public func responseDecodable(of type: T.Type = T.self, + queue: DispatchQueue = .main, + dataPreprocessor: DataPreprocessor = DecodableResponseSerializer.defaultDataPreprocessor, + decoder: DataDecoder = JSONDecoder(), + emptyResponseCodes: Set = DecodableResponseSerializer.defaultEmptyResponseCodes, + emptyRequestMethods: Set = DecodableResponseSerializer.defaultEmptyRequestMethods, + completionHandler: @escaping (AFDataResponse) -> Void) -> Self { + response(queue: queue, + responseSerializer: DecodableResponseSerializer(dataPreprocessor: dataPreprocessor, + decoder: decoder, + emptyResponseCodes: emptyResponseCodes, + emptyRequestMethods: emptyRequestMethods), + completionHandler: completionHandler) + } +} + +extension DownloadRequest { + /// Adds a handler using a `DecodableResponseSerializer` to be called once the request has finished. + /// + /// - Parameters: + /// - type: `Decodable` type to decode from response data. + /// - queue: The queue on which the completion handler is dispatched. `.main` by default. + /// - dataPreprocessor: `DataPreprocessor` which processes the received `Data` before calling the + /// `completionHandler`. `PassthroughPreprocessor()` by default. + /// - decoder: `DataDecoder` to use to decode the response. `JSONDecoder()` by default. + /// - encoding: The string encoding. Defaults to `nil`, in which case the encoding will be determined + /// from the server response, falling back to the default HTTP character set, `ISO-8859-1`. + /// - emptyResponseCodes: HTTP status codes for which empty responses are always valid. `[204, 205]` by default. + /// - emptyRequestMethods: `HTTPMethod`s for which empty responses are always valid. `[.head]` by default. + /// - options: `JSONSerialization.ReadingOptions` used when parsing the response. `.allowFragments` + /// by default. + /// - completionHandler: A closure to be executed once the request has finished. + /// + /// - Returns: The request. + @discardableResult + public func responseDecodable(of type: T.Type = T.self, + queue: DispatchQueue = .main, + dataPreprocessor: DataPreprocessor = DecodableResponseSerializer.defaultDataPreprocessor, + decoder: DataDecoder = JSONDecoder(), + emptyResponseCodes: Set = DecodableResponseSerializer.defaultEmptyResponseCodes, + emptyRequestMethods: Set = DecodableResponseSerializer.defaultEmptyRequestMethods, + completionHandler: @escaping (AFDownloadResponse) -> Void) -> Self { + response(queue: queue, + responseSerializer: DecodableResponseSerializer(dataPreprocessor: dataPreprocessor, + decoder: decoder, + emptyResponseCodes: emptyResponseCodes, + emptyRequestMethods: emptyRequestMethods), + completionHandler: completionHandler) + } +} + +// MARK: - DataStreamRequest + +/// A type which can serialize incoming `Data`. +public protocol DataStreamSerializer { + /// Type produced from the serialized `Data`. + associatedtype SerializedObject + + /// Serializes incoming `Data` into a `SerializedObject` value. + /// + /// - Parameter data: `Data` to be serialized. + /// + /// - Throws: Any error produced during serialization. + func serialize(_ data: Data) throws -> SerializedObject +} + +/// `DataStreamSerializer` which uses the provided `DataPreprocessor` and `DataDecoder` to serialize the incoming `Data`. +public struct DecodableStreamSerializer: DataStreamSerializer { + /// `DataDecoder` used to decode incoming `Data`. + public let decoder: DataDecoder + /// `DataPreprocessor` incoming `Data` is passed through before being passed to the `DataDecoder`. + public let dataPreprocessor: DataPreprocessor + + /// Creates an instance with the provided `DataDecoder` and `DataPreprocessor`. + /// - Parameters: + /// - decoder: ` DataDecoder` used to decode incoming `Data`. + /// - dataPreprocessor: `DataPreprocessor` used to process incoming `Data` before it's passed through the `decoder`. + public init(decoder: DataDecoder = JSONDecoder(), dataPreprocessor: DataPreprocessor = PassthroughPreprocessor()) { + self.decoder = decoder + self.dataPreprocessor = dataPreprocessor + } + + public func serialize(_ data: Data) throws -> T { + let processedData = try dataPreprocessor.preprocess(data) + do { + return try decoder.decode(T.self, from: processedData) + } catch { + throw AFError.responseSerializationFailed(reason: .decodingFailed(error: error)) + } + } +} + +/// `DataStreamSerializer` which performs no serialization on incoming `Data`. +public struct PassthroughStreamSerializer: DataStreamSerializer { + public func serialize(_ data: Data) throws -> Data { data } +} + +/// `DataStreamSerializer` which serializes incoming stream `Data` into `UTF8`-decoded `String` values. +public struct StringStreamSerializer: DataStreamSerializer { + public func serialize(_ data: Data) throws -> String { + String(decoding: data, as: UTF8.self) + } +} + +extension DataStreamRequest { + /// Adds a `StreamHandler` which performs no parsing on incoming `Data`. + /// + /// - Parameters: + /// - queue: `DispatchQueue` on which to perform `StreamHandler` closure. + /// - stream: `StreamHandler` closure called as `Data` is received. May be called multiple times. + /// + /// - Returns: The `DataStreamRequest`. + @discardableResult + public func responseStream(on queue: DispatchQueue = .main, stream: @escaping Handler) -> Self { + $streamMutableState.write { state in + let capture = (queue, { data in + self.capturingError { + try stream(.init(event: .stream(.success(data)), token: .init(self))) + } + }) + state.streams.append(capture) + } + appendStreamCompletion(on: queue, stream: stream) + + return self + } + + /// Adds a `StreamHandler` which uses the provided `DataStreamSerializer` to process incoming `Data`. + /// + /// - Parameters: + /// - serializer: `DataStreamSerializer` used to process incoming `Data`. Its work is done on the `serializationQueue`. + /// - queue: `DispatchQueue` on which to perform `StreamHandler` closure. + /// - stream: `StreamHandler` closure called as `Data` is received. May be called multiple times. + /// + /// - Returns: The `DataStreamRequest`. + @discardableResult + public func responseStream(using serializer: Serializer, + on queue: DispatchQueue = .main, + stream: @escaping Handler) -> Self { + let parser = { (data: Data) in + self.serializationQueue.async { + // Start work on serialization queue. + let result = Result { try serializer.serialize(data) } + .mapError { $0.asAFError(or: .responseSerializationFailed(reason: .customSerializationFailed(error: $0))) } + // End work on serialization queue. + queue.async { + self.eventMonitor?.request(self, didParseStream: result) + if result.isFailure, self.automaticallyCancelOnStreamError { + queue.async { self.cancel() } + } + self.capturingError { + try stream(.init(event: .stream(result), token: .init(self))) + } + } + } + } + + $streamMutableState.write { $0.streams.append((queue, parser)) } + appendStreamCompletion(on: queue, stream: stream) + + return self + } + + /// Adds a `StreamHandler` which parses incoming `Data` as a UTF8 `String`. + /// + /// - Parameters: + /// - queue: `DispatchQueue` on which to perform `StreamHandler` closure. + /// - stream: `StreamHandler` closure called as `Data` is received. May be called multiple times. + /// + /// - Returns: The `DataStreamRequest`. + @discardableResult + public func responseStreamString(on queue: DispatchQueue = .main, + stream: @escaping Handler) -> Self { + let parser = { (data: Data) in + self.serializationQueue.async { + // Start work on serialization queue. + let string = String(decoding: data, as: UTF8.self) + // End work on serialization queue. + queue.async { + self.capturingError { + try stream(.init(event: .stream(.success(string)), token: .init(self))) + } + } + } + } + + $streamMutableState.write { $0.streams.append((queue, parser)) } + appendStreamCompletion(on: queue, stream: stream) + + return self + } + + /// Adds a `StreamHandler` which parses incoming `Data` using the provided `DataDecoder`. + /// + /// - Parameters: + /// - type: `Decodable` type to parse incoming `Data` into. + /// - queue: `DispatchQueue` on which to perform `StreamHandler` closure. + /// - decoder: `DataDecoder` used to decode the incoming `Data`. + /// - preprocessor: `DataPreprocessor` used to process the incoming `Data` before it's passed to the `decoder`. + /// - stream: `StreamHandler` closure called as `Data` is received. May be called multiple times. + /// + /// - Returns: The `DataStreamRequest`. + @discardableResult + public func responseStreamDecodable(of type: T.Type = T.self, + on queue: DispatchQueue = .main, + using decoder: DataDecoder = JSONDecoder(), + preprocessor: DataPreprocessor = PassthroughPreprocessor(), + stream: @escaping Handler) -> Self { + responseStream(using: DecodableStreamSerializer(decoder: decoder, dataPreprocessor: preprocessor), + stream: stream) + } +} diff --git a/Pods/Alamofire/Source/Result+Alamofire.swift b/Pods/Alamofire/Source/Result+Alamofire.swift new file mode 100644 index 0000000..39ac286 --- /dev/null +++ b/Pods/Alamofire/Source/Result+Alamofire.swift @@ -0,0 +1,120 @@ +// +// Result+Alamofire.swift +// +// Copyright (c) 2019 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +/// Default type of `Result` returned by Alamofire, with an `AFError` `Failure` type. +public typealias AFResult = Result + +// MARK: - Internal APIs + +extension Result { + /// Returns whether the instance is `.success`. + var isSuccess: Bool { + guard case .success = self else { return false } + return true + } + + /// Returns whether the instance is `.failure`. + var isFailure: Bool { + !isSuccess + } + + /// Returns the associated value if the result is a success, `nil` otherwise. + var success: Success? { + guard case let .success(value) = self else { return nil } + return value + } + + /// Returns the associated error value if the result is a failure, `nil` otherwise. + var failure: Failure? { + guard case let .failure(error) = self else { return nil } + return error + } + + /// Initializes a `Result` from value or error. Returns `.failure` if the error is non-nil, `.success` otherwise. + /// + /// - Parameters: + /// - value: A value. + /// - error: An `Error`. + init(value: Success, error: Failure?) { + if let error = error { + self = .failure(error) + } else { + self = .success(value) + } + } + + /// Evaluates the specified closure when the `Result` is a success, passing the unwrapped value as a parameter. + /// + /// Use the `tryMap` method with a closure that may throw an error. For example: + /// + /// let possibleData: Result = .success(Data(...)) + /// let possibleObject = possibleData.tryMap { + /// try JSONSerialization.jsonObject(with: $0) + /// } + /// + /// - parameter transform: A closure that takes the success value of the instance. + /// + /// - returns: A `Result` containing the result of the given closure. If this instance is a failure, returns the + /// same failure. + func tryMap(_ transform: (Success) throws -> NewSuccess) -> Result { + switch self { + case let .success(value): + do { + return try .success(transform(value)) + } catch { + return .failure(error) + } + case let .failure(error): + return .failure(error) + } + } + + /// Evaluates the specified closure when the `Result` is a failure, passing the unwrapped error as a parameter. + /// + /// Use the `tryMapError` function with a closure that may throw an error. For example: + /// + /// let possibleData: Result = .success(Data(...)) + /// let possibleObject = possibleData.tryMapError { + /// try someFailableFunction(taking: $0) + /// } + /// + /// - Parameter transform: A throwing closure that takes the error of the instance. + /// + /// - Returns: A `Result` instance containing the result of the transform. If this instance is a success, returns + /// the same success. + func tryMapError(_ transform: (Failure) throws -> NewFailure) -> Result { + switch self { + case let .failure(error): + do { + return try .failure(transform(error)) + } catch { + return .failure(error) + } + case let .success(value): + return .success(value) + } + } +} diff --git a/Pods/Alamofire/Source/RetryPolicy.swift b/Pods/Alamofire/Source/RetryPolicy.swift new file mode 100644 index 0000000..988342b --- /dev/null +++ b/Pods/Alamofire/Source/RetryPolicy.swift @@ -0,0 +1,367 @@ +// +// RetryPolicy.swift +// +// Copyright (c) 2019 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +/// A retry policy that retries requests using an exponential backoff for allowed HTTP methods and HTTP status codes +/// as well as certain types of networking errors. +open class RetryPolicy: RequestInterceptor { + /// The default retry limit for retry policies. + public static let defaultRetryLimit: UInt = 2 + + /// The default exponential backoff base for retry policies (must be a minimum of 2). + public static let defaultExponentialBackoffBase: UInt = 2 + + /// The default exponential backoff scale for retry policies. + public static let defaultExponentialBackoffScale: Double = 0.5 + + /// The default HTTP methods to retry. + /// See [RFC 2616 - Section 9.1.2](https://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html) for more information. + public static let defaultRetryableHTTPMethods: Set = [.delete, // [Delete](https://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.7) - not always idempotent + .get, // [GET](https://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.3) - generally idempotent + .head, // [HEAD](https://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.4) - generally idempotent + .options, // [OPTIONS](https://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.2) - inherently idempotent + .put, // [PUT](https://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.6) - not always idempotent + .trace // [TRACE](https://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.8) - inherently idempotent + ] + + /// The default HTTP status codes to retry. + /// See [RFC 2616 - Section 10](https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10) for more information. + public static let defaultRetryableHTTPStatusCodes: Set = [408, // [Request Timeout](https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.9) + 500, // [Internal Server Error](https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.1) + 502, // [Bad Gateway](https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.3) + 503, // [Service Unavailable](https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.4) + 504 // [Gateway Timeout](https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.5) + ] + + /// The default URL error codes to retry. + public static let defaultRetryableURLErrorCodes: Set = [// [Security] App Transport Security disallowed a connection because there is no secure network connection. + // - [Disabled] ATS settings do not change at runtime. + // .appTransportSecurityRequiresSecureConnection, + + // [System] An app or app extension attempted to connect to a background session that is already connected to a + // process. + // - [Enabled] The other process could release the background session. + .backgroundSessionInUseByAnotherProcess, + + // [System] The shared container identifier of the URL session configuration is needed but has not been set. + // - [Disabled] Cannot change at runtime. + // .backgroundSessionRequiresSharedContainer, + + // [System] The app is suspended or exits while a background data task is processing. + // - [Enabled] App can be foregrounded or launched to recover. + .backgroundSessionWasDisconnected, + + // [Network] The URL Loading system received bad data from the server. + // - [Enabled] Server could return valid data when retrying. + .badServerResponse, + + // [Resource] A malformed URL prevented a URL request from being initiated. + // - [Disabled] URL was most likely constructed incorrectly. + // .badURL, + + // [System] A connection was attempted while a phone call is active on a network that does not support + // simultaneous phone and data communication (EDGE or GPRS). + // - [Enabled] Phone call could be ended to allow request to recover. + .callIsActive, + + // [Client] An asynchronous load has been canceled. + // - [Disabled] Request was cancelled by the client. + // .cancelled, + + // [File System] A download task couldn’t close the downloaded file on disk. + // - [Disabled] File system error is unlikely to recover with retry. + // .cannotCloseFile, + + // [Network] An attempt to connect to a host failed. + // - [Enabled] Server or DNS lookup could recover during retry. + .cannotConnectToHost, + + // [File System] A download task couldn’t create the downloaded file on disk because of an I/O failure. + // - [Disabled] File system error is unlikely to recover with retry. + // .cannotCreateFile, + + // [Data] Content data received during a connection request had an unknown content encoding. + // - [Disabled] Server is unlikely to modify the content encoding during a retry. + // .cannotDecodeContentData, + + // [Data] Content data received during a connection request could not be decoded for a known content encoding. + // - [Disabled] Server is unlikely to modify the content encoding during a retry. + // .cannotDecodeRawData, + + // [Network] The host name for a URL could not be resolved. + // - [Enabled] Server or DNS lookup could recover during retry. + .cannotFindHost, + + // [Network] A request to load an item only from the cache could not be satisfied. + // - [Enabled] Cache could be populated during a retry. + .cannotLoadFromNetwork, + + // [File System] A download task was unable to move a downloaded file on disk. + // - [Disabled] File system error is unlikely to recover with retry. + // .cannotMoveFile, + + // [File System] A download task was unable to open the downloaded file on disk. + // - [Disabled] File system error is unlikely to recover with retry. + // .cannotOpenFile, + + // [Data] A task could not parse a response. + // - [Disabled] Invalid response is unlikely to recover with retry. + // .cannotParseResponse, + + // [File System] A download task was unable to remove a downloaded file from disk. + // - [Disabled] File system error is unlikely to recover with retry. + // .cannotRemoveFile, + + // [File System] A download task was unable to write to the downloaded file on disk. + // - [Disabled] File system error is unlikely to recover with retry. + // .cannotWriteToFile, + + // [Security] A client certificate was rejected. + // - [Disabled] Client certificate is unlikely to change with retry. + // .clientCertificateRejected, + + // [Security] A client certificate was required to authenticate an SSL connection during a request. + // - [Disabled] Client certificate is unlikely to be provided with retry. + // .clientCertificateRequired, + + // [Data] The length of the resource data exceeds the maximum allowed. + // - [Disabled] Resource will likely still exceed the length maximum on retry. + // .dataLengthExceedsMaximum, + + // [System] The cellular network disallowed a connection. + // - [Enabled] WiFi connection could be established during retry. + .dataNotAllowed, + + // [Network] The host address could not be found via DNS lookup. + // - [Enabled] DNS lookup could succeed during retry. + .dnsLookupFailed, + + // [Data] A download task failed to decode an encoded file during the download. + // - [Enabled] Server could correct the decoding issue with retry. + .downloadDecodingFailedMidStream, + + // [Data] A download task failed to decode an encoded file after downloading. + // - [Enabled] Server could correct the decoding issue with retry. + .downloadDecodingFailedToComplete, + + // [File System] A file does not exist. + // - [Disabled] File system error is unlikely to recover with retry. + // .fileDoesNotExist, + + // [File System] A request for an FTP file resulted in the server responding that the file is not a plain file, + // but a directory. + // - [Disabled] FTP directory is not likely to change to a file during a retry. + // .fileIsDirectory, + + // [Network] A redirect loop has been detected or the threshold for number of allowable redirects has been + // exceeded (currently 16). + // - [Disabled] The redirect loop is unlikely to be resolved within the retry window. + // .httpTooManyRedirects, + + // [System] The attempted connection required activating a data context while roaming, but international roaming + // is disabled. + // - [Enabled] WiFi connection could be established during retry. + .internationalRoamingOff, + + // [Connectivity] A client or server connection was severed in the middle of an in-progress load. + // - [Enabled] A network connection could be established during retry. + .networkConnectionLost, + + // [File System] A resource couldn’t be read because of insufficient permissions. + // - [Disabled] Permissions are unlikely to be granted during retry. + // .noPermissionsToReadFile, + + // [Connectivity] A network resource was requested, but an internet connection has not been established and + // cannot be established automatically. + // - [Enabled] A network connection could be established during retry. + .notConnectedToInternet, + + // [Resource] A redirect was specified by way of server response code, but the server did not accompany this + // code with a redirect URL. + // - [Disabled] The redirect URL is unlikely to be supplied during a retry. + // .redirectToNonExistentLocation, + + // [Client] A body stream is needed but the client did not provide one. + // - [Disabled] The client will be unlikely to supply a body stream during retry. + // .requestBodyStreamExhausted, + + // [Resource] A requested resource couldn’t be retrieved. + // - [Disabled] The resource is unlikely to become available during the retry window. + // .resourceUnavailable, + + // [Security] An attempt to establish a secure connection failed for reasons that can’t be expressed more + // specifically. + // - [Enabled] The secure connection could be established during a retry given the lack of specificity + // provided by the error. + .secureConnectionFailed, + + // [Security] A server certificate had a date which indicates it has expired, or is not yet valid. + // - [Enabled] The server certificate could become valid within the retry window. + .serverCertificateHasBadDate, + + // [Security] A server certificate was not signed by any root server. + // - [Disabled] The server certificate is unlikely to change during the retry window. + // .serverCertificateHasUnknownRoot, + + // [Security] A server certificate is not yet valid. + // - [Enabled] The server certificate could become valid within the retry window. + .serverCertificateNotYetValid, + + // [Security] A server certificate was signed by a root server that isn’t trusted. + // - [Disabled] The server certificate is unlikely to become trusted within the retry window. + // .serverCertificateUntrusted, + + // [Network] An asynchronous operation timed out. + // - [Enabled] The request timed out for an unknown reason and should be retried. + .timedOut + + // [System] The URL Loading System encountered an error that it can’t interpret. + // - [Disabled] The error could not be interpreted and is unlikely to be recovered from during a retry. + // .unknown, + + // [Resource] A properly formed URL couldn’t be handled by the framework. + // - [Disabled] The URL is unlikely to change during a retry. + // .unsupportedURL, + + // [Client] Authentication is required to access a resource. + // - [Disabled] The user authentication is unlikely to be provided by retrying. + // .userAuthenticationRequired, + + // [Client] An asynchronous request for authentication has been canceled by the user. + // - [Disabled] The user cancelled authentication and explicitly took action to not retry. + // .userCancelledAuthentication, + + // [Resource] A server reported that a URL has a non-zero content length, but terminated the network connection + // gracefully without sending any data. + // - [Disabled] The server is unlikely to provide data during the retry window. + // .zeroByteResource, + ] + + /// The total number of times the request is allowed to be retried. + public let retryLimit: UInt + + /// The base of the exponential backoff policy (should always be greater than or equal to 2). + public let exponentialBackoffBase: UInt + + /// The scale of the exponential backoff. + public let exponentialBackoffScale: Double + + /// The HTTP methods that are allowed to be retried. + public let retryableHTTPMethods: Set + + /// The HTTP status codes that are automatically retried by the policy. + public let retryableHTTPStatusCodes: Set + + /// The URL error codes that are automatically retried by the policy. + public let retryableURLErrorCodes: Set + + /// Creates an `ExponentialBackoffRetryPolicy` from the specified parameters. + /// + /// - Parameters: + /// - retryLimit: The total number of times the request is allowed to be retried. `2` by default. + /// - exponentialBackoffBase: The base of the exponential backoff policy. `2` by default. + /// - exponentialBackoffScale: The scale of the exponential backoff. `0.5` by default. + /// - retryableHTTPMethods: The HTTP methods that are allowed to be retried. + /// `RetryPolicy.defaultRetryableHTTPMethods` by default. + /// - retryableHTTPStatusCodes: The HTTP status codes that are automatically retried by the policy. + /// `RetryPolicy.defaultRetryableHTTPStatusCodes` by default. + /// - retryableURLErrorCodes: The URL error codes that are automatically retried by the policy. + /// `RetryPolicy.defaultRetryableURLErrorCodes` by default. + public init(retryLimit: UInt = RetryPolicy.defaultRetryLimit, + exponentialBackoffBase: UInt = RetryPolicy.defaultExponentialBackoffBase, + exponentialBackoffScale: Double = RetryPolicy.defaultExponentialBackoffScale, + retryableHTTPMethods: Set = RetryPolicy.defaultRetryableHTTPMethods, + retryableHTTPStatusCodes: Set = RetryPolicy.defaultRetryableHTTPStatusCodes, + retryableURLErrorCodes: Set = RetryPolicy.defaultRetryableURLErrorCodes) { + precondition(exponentialBackoffBase >= 2, "The `exponentialBackoffBase` must be a minimum of 2.") + + self.retryLimit = retryLimit + self.exponentialBackoffBase = exponentialBackoffBase + self.exponentialBackoffScale = exponentialBackoffScale + self.retryableHTTPMethods = retryableHTTPMethods + self.retryableHTTPStatusCodes = retryableHTTPStatusCodes + self.retryableURLErrorCodes = retryableURLErrorCodes + } + + open func retry(_ request: Request, + for session: Session, + dueTo error: Error, + completion: @escaping (RetryResult) -> Void) { + if + request.retryCount < retryLimit, + let httpMethod = request.request?.method, + retryableHTTPMethods.contains(httpMethod), + shouldRetry(response: request.response, error: error) { + let timeDelay = pow(Double(exponentialBackoffBase), Double(request.retryCount)) * exponentialBackoffScale + completion(.retryWithDelay(timeDelay)) + } else { + completion(.doNotRetry) + } + } + + private func shouldRetry(response: HTTPURLResponse?, error: Error) -> Bool { + if let statusCode = response?.statusCode, retryableHTTPStatusCodes.contains(statusCode) { + return true + } else { + let errorCode = (error as? URLError)?.code + let afErrorCode = (error.asAFError?.underlyingError as? URLError)?.code + if let code = errorCode ?? afErrorCode, retryableURLErrorCodes.contains(code) { + return true + } else { + return false + } + } + } +} + +// MARK: - + +/// A retry policy that automatically retries idempotent requests for network connection lost errors. For more +/// information about retrying network connection lost errors, please refer to Apple's +/// [technical document](https://developer.apple.com/library/content/qa/qa1941/_index.html). +open class ConnectionLostRetryPolicy: RetryPolicy { + /// Creates a `ConnectionLostRetryPolicy` instance from the specified parameters. + /// + /// - Parameters: + /// - retryLimit: The total number of times the request is allowed to be retried. + /// `RetryPolicy.defaultRetryLimit` by default. + /// - exponentialBackoffBase: The base of the exponential backoff policy. + /// `RetryPolicy.defaultExponentialBackoffBase` by default. + /// - exponentialBackoffScale: The scale of the exponential backoff. + /// `RetryPolicy.defaultExponentialBackoffScale` by default. + /// - retryableHTTPMethods: The idempotent http methods to retry. + /// `RetryPolicy.defaultRetryableHTTPMethods` by default. + public init(retryLimit: UInt = RetryPolicy.defaultRetryLimit, + exponentialBackoffBase: UInt = RetryPolicy.defaultExponentialBackoffBase, + exponentialBackoffScale: Double = RetryPolicy.defaultExponentialBackoffScale, + retryableHTTPMethods: Set = RetryPolicy.defaultRetryableHTTPMethods) { + super.init(retryLimit: retryLimit, + exponentialBackoffBase: exponentialBackoffBase, + exponentialBackoffScale: exponentialBackoffScale, + retryableHTTPMethods: retryableHTTPMethods, + retryableHTTPStatusCodes: [], + retryableURLErrorCodes: [.networkConnectionLost]) + } +} diff --git a/Pods/Alamofire/Source/ServerTrustEvaluation.swift b/Pods/Alamofire/Source/ServerTrustEvaluation.swift new file mode 100644 index 0000000..4ebef4e --- /dev/null +++ b/Pods/Alamofire/Source/ServerTrustEvaluation.swift @@ -0,0 +1,619 @@ +// +// ServerTrustPolicy.swift +// +// Copyright (c) 2014-2016 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +/// Responsible for managing the mapping of `ServerTrustEvaluating` values to given hosts. +open class ServerTrustManager { + /// Determines whether all hosts for this `ServerTrustManager` must be evaluated. `true` by default. + public let allHostsMustBeEvaluated: Bool + + /// The dictionary of policies mapped to a particular host. + public let evaluators: [String: ServerTrustEvaluating] + + /// Initializes the `ServerTrustManager` instance with the given evaluators. + /// + /// Since different servers and web services can have different leaf certificates, intermediate and even root + /// certificates, it is important to have the flexibility to specify evaluation policies on a per host basis. This + /// allows for scenarios such as using default evaluation for host1, certificate pinning for host2, public key + /// pinning for host3 and disabling evaluation for host4. + /// + /// - Parameters: + /// - allHostsMustBeEvaluated: The value determining whether all hosts for this instance must be evaluated. `true` + /// by default. + /// - evaluators: A dictionary of evaluators mapped to hosts. + public init(allHostsMustBeEvaluated: Bool = true, evaluators: [String: ServerTrustEvaluating]) { + self.allHostsMustBeEvaluated = allHostsMustBeEvaluated + self.evaluators = evaluators + } + + /// Returns the `ServerTrustEvaluating` value for the given host, if one is set. + /// + /// By default, this method will return the policy that perfectly matches the given host. Subclasses could override + /// this method and implement more complex mapping implementations such as wildcards. + /// + /// - Parameter host: The host to use when searching for a matching policy. + /// + /// - Returns: The `ServerTrustEvaluating` value for the given host if found, `nil` otherwise. + /// - Throws: `AFError.serverTrustEvaluationFailed` if `allHostsMustBeEvaluated` is `true` and no matching + /// evaluators are found. + open func serverTrustEvaluator(forHost host: String) throws -> ServerTrustEvaluating? { + guard let evaluator = evaluators[host] else { + if allHostsMustBeEvaluated { + throw AFError.serverTrustEvaluationFailed(reason: .noRequiredEvaluator(host: host)) + } + + return nil + } + + return evaluator + } +} + +/// A protocol describing the API used to evaluate server trusts. +public protocol ServerTrustEvaluating { + #if os(Linux) + // Implement this once Linux has API for evaluating server trusts. + #else + /// Evaluates the given `SecTrust` value for the given `host`. + /// + /// - Parameters: + /// - trust: The `SecTrust` value to evaluate. + /// - host: The host for which to evaluate the `SecTrust` value. + /// + /// - Returns: A `Bool` indicating whether the evaluator considers the `SecTrust` value valid for `host`. + func evaluate(_ trust: SecTrust, forHost host: String) throws + #endif +} + +// MARK: - Server Trust Evaluators + +/// An evaluator which uses the default server trust evaluation while allowing you to control whether to validate the +/// host provided by the challenge. Applications are encouraged to always validate the host in production environments +/// to guarantee the validity of the server's certificate chain. +public final class DefaultTrustEvaluator: ServerTrustEvaluating { + private let validateHost: Bool + + /// Creates a `DefaultTrustEvaluator`. + /// + /// - Parameter validateHost: Determines whether or not the evaluator should validate the host. `true` by default. + public init(validateHost: Bool = true) { + self.validateHost = validateHost + } + + public func evaluate(_ trust: SecTrust, forHost host: String) throws { + if validateHost { + try trust.af.performValidation(forHost: host) + } + + try trust.af.performDefaultValidation(forHost: host) + } +} + +/// An evaluator which Uses the default and revoked server trust evaluations allowing you to control whether to validate +/// the host provided by the challenge as well as specify the revocation flags for testing for revoked certificates. +/// Apple platforms did not start testing for revoked certificates automatically until iOS 10.1, macOS 10.12 and tvOS +/// 10.1 which is demonstrated in our TLS tests. Applications are encouraged to always validate the host in production +/// environments to guarantee the validity of the server's certificate chain. +public final class RevocationTrustEvaluator: ServerTrustEvaluating { + /// Represents the options to be use when evaluating the status of a certificate. + /// Only Revocation Policy Constants are valid, and can be found in [Apple's documentation](https://developer.apple.com/documentation/security/certificate_key_and_trust_services/policies/1563600-revocation_policy_constants). + public struct Options: OptionSet { + /// Perform revocation checking using the CRL (Certification Revocation List) method. + public static let crl = Options(rawValue: kSecRevocationCRLMethod) + /// Consult only locally cached replies; do not use network access. + public static let networkAccessDisabled = Options(rawValue: kSecRevocationNetworkAccessDisabled) + /// Perform revocation checking using OCSP (Online Certificate Status Protocol). + public static let ocsp = Options(rawValue: kSecRevocationOCSPMethod) + /// Prefer CRL revocation checking over OCSP; by default, OCSP is preferred. + public static let preferCRL = Options(rawValue: kSecRevocationPreferCRL) + /// Require a positive response to pass the policy. If the flag is not set, revocation checking is done on a + /// "best attempt" basis, where failure to reach the server is not considered fatal. + public static let requirePositiveResponse = Options(rawValue: kSecRevocationRequirePositiveResponse) + /// Perform either OCSP or CRL checking. The checking is performed according to the method(s) specified in the + /// certificate and the value of `preferCRL`. + public static let any = Options(rawValue: kSecRevocationUseAnyAvailableMethod) + + /// The raw value of the option. + public let rawValue: CFOptionFlags + + /// Creates an `Options` value with the given `CFOptionFlags`. + /// + /// - Parameter rawValue: The `CFOptionFlags` value to initialize with. + public init(rawValue: CFOptionFlags) { + self.rawValue = rawValue + } + } + + private let performDefaultValidation: Bool + private let validateHost: Bool + private let options: Options + + /// Creates a `RevocationTrustEvaluator`. + /// + /// - Note: Default and host validation will fail when using this evaluator with self-signed certificates. Use + /// `PinnedCertificatesTrustEvaluator` if you need to use self-signed certificates. + /// + /// - Parameters: + /// - performDefaultValidation: Determines whether default validation should be performed in addition to + /// evaluating the pinned certificates. `true` by default. + /// - validateHost: Determines whether or not the evaluator should validate the host, in addition + /// to performing the default evaluation, even if `performDefaultValidation` is + /// `false`. `true` by default. + /// - options: The `Options` to use to check the revocation status of the certificate. `.any` + /// by default. + public init(performDefaultValidation: Bool = true, validateHost: Bool = true, options: Options = .any) { + self.performDefaultValidation = performDefaultValidation + self.validateHost = validateHost + self.options = options + } + + public func evaluate(_ trust: SecTrust, forHost host: String) throws { + if performDefaultValidation { + try trust.af.performDefaultValidation(forHost: host) + } + + if validateHost { + try trust.af.performValidation(forHost: host) + } + + if #available(iOS 12, macOS 10.14, tvOS 12, watchOS 5, *) { + try trust.af.evaluate(afterApplying: SecPolicy.af.revocation(options: options)) + } else { + try trust.af.validate(policy: SecPolicy.af.revocation(options: options)) { status, result in + AFError.serverTrustEvaluationFailed(reason: .revocationCheckFailed(output: .init(host, trust, status, result), options: options)) + } + } + } +} + +/// Uses the pinned certificates to validate the server trust. The server trust is considered valid if one of the pinned +/// certificates match one of the server certificates. By validating both the certificate chain and host, certificate +/// pinning provides a very secure form of server trust validation mitigating most, if not all, MITM attacks. +/// Applications are encouraged to always validate the host and require a valid certificate chain in production +/// environments. +public final class PinnedCertificatesTrustEvaluator: ServerTrustEvaluating { + private let certificates: [SecCertificate] + private let acceptSelfSignedCertificates: Bool + private let performDefaultValidation: Bool + private let validateHost: Bool + + /// Creates a `PinnedCertificatesTrustEvaluator`. + /// + /// - Parameters: + /// - certificates: The certificates to use to evaluate the trust. All `cer`, `crt`, and `der` + /// certificates in `Bundle.main` by default. + /// - acceptSelfSignedCertificates: Adds the provided certificates as anchors for the trust evaluation, allowing + /// self-signed certificates to pass. `false` by default. THIS SETTING SHOULD BE + /// FALSE IN PRODUCTION! + /// - performDefaultValidation: Determines whether default validation should be performed in addition to + /// evaluating the pinned certificates. `true` by default. + /// - validateHost: Determines whether or not the evaluator should validate the host, in addition + /// to performing the default evaluation, even if `performDefaultValidation` is + /// `false`. `true` by default. + public init(certificates: [SecCertificate] = Bundle.main.af.certificates, + acceptSelfSignedCertificates: Bool = false, + performDefaultValidation: Bool = true, + validateHost: Bool = true) { + self.certificates = certificates + self.acceptSelfSignedCertificates = acceptSelfSignedCertificates + self.performDefaultValidation = performDefaultValidation + self.validateHost = validateHost + } + + public func evaluate(_ trust: SecTrust, forHost host: String) throws { + guard !certificates.isEmpty else { + throw AFError.serverTrustEvaluationFailed(reason: .noCertificatesFound) + } + + if acceptSelfSignedCertificates { + try trust.af.setAnchorCertificates(certificates) + } + + if performDefaultValidation { + try trust.af.performDefaultValidation(forHost: host) + } + + if validateHost { + try trust.af.performValidation(forHost: host) + } + + let serverCertificatesData = Set(trust.af.certificateData) + let pinnedCertificatesData = Set(certificates.af.data) + let pinnedCertificatesInServerData = !serverCertificatesData.isDisjoint(with: pinnedCertificatesData) + if !pinnedCertificatesInServerData { + throw AFError.serverTrustEvaluationFailed(reason: .certificatePinningFailed(host: host, + trust: trust, + pinnedCertificates: certificates, + serverCertificates: trust.af.certificates)) + } + } +} + +/// Uses the pinned public keys to validate the server trust. The server trust is considered valid if one of the pinned +/// public keys match one of the server certificate public keys. By validating both the certificate chain and host, +/// public key pinning provides a very secure form of server trust validation mitigating most, if not all, MITM attacks. +/// Applications are encouraged to always validate the host and require a valid certificate chain in production +/// environments. +public final class PublicKeysTrustEvaluator: ServerTrustEvaluating { + private let keys: [SecKey] + private let performDefaultValidation: Bool + private let validateHost: Bool + + /// Creates a `PublicKeysTrustEvaluator`. + /// + /// - Note: Default and host validation will fail when using this evaluator with self-signed certificates. Use + /// `PinnedCertificatesTrustEvaluator` if you need to use self-signed certificates. + /// + /// - Parameters: + /// - keys: The `SecKey`s to use to validate public keys. Defaults to the public keys of all + /// certificates included in the main bundle. + /// - performDefaultValidation: Determines whether default validation should be performed in addition to + /// evaluating the pinned certificates. `true` by default. + /// - validateHost: Determines whether or not the evaluator should validate the host, in addition to + /// performing the default evaluation, even if `performDefaultValidation` is `false`. + /// `true` by default. + public init(keys: [SecKey] = Bundle.main.af.publicKeys, + performDefaultValidation: Bool = true, + validateHost: Bool = true) { + self.keys = keys + self.performDefaultValidation = performDefaultValidation + self.validateHost = validateHost + } + + public func evaluate(_ trust: SecTrust, forHost host: String) throws { + guard !keys.isEmpty else { + throw AFError.serverTrustEvaluationFailed(reason: .noPublicKeysFound) + } + + if performDefaultValidation { + try trust.af.performDefaultValidation(forHost: host) + } + + if validateHost { + try trust.af.performValidation(forHost: host) + } + + let pinnedKeysInServerKeys: Bool = { + for serverPublicKey in trust.af.publicKeys { + for pinnedPublicKey in keys { + if serverPublicKey == pinnedPublicKey { + return true + } + } + } + return false + }() + + if !pinnedKeysInServerKeys { + throw AFError.serverTrustEvaluationFailed(reason: .publicKeyPinningFailed(host: host, + trust: trust, + pinnedKeys: keys, + serverKeys: trust.af.publicKeys)) + } + } +} + +/// Uses the provided evaluators to validate the server trust. The trust is only considered valid if all of the +/// evaluators consider it valid. +public final class CompositeTrustEvaluator: ServerTrustEvaluating { + private let evaluators: [ServerTrustEvaluating] + + /// Creates a `CompositeTrustEvaluator`. + /// + /// - Parameter evaluators: The `ServerTrustEvaluating` values used to evaluate the server trust. + public init(evaluators: [ServerTrustEvaluating]) { + self.evaluators = evaluators + } + + public func evaluate(_ trust: SecTrust, forHost host: String) throws { + try evaluators.evaluate(trust, forHost: host) + } +} + +/// Disables all evaluation which in turn will always consider any server trust as valid. +/// +/// - Note: Instead of disabling server trust evaluation, it's a better idea to configure systems to properly trust test +/// certificates, as outlined in [this Apple tech note](https://developer.apple.com/library/archive/qa/qa1948/_index.html). +/// +/// **THIS EVALUATOR SHOULD NEVER BE USED IN PRODUCTION!** +@available(*, deprecated, renamed: "DisabledTrustEvaluator", message: "DisabledEvaluator has been renamed DisabledTrustEvaluator.") +public typealias DisabledEvaluator = DisabledTrustEvaluator + +/// Disables all evaluation which in turn will always consider any server trust as valid. +/// +/// +/// - Note: Instead of disabling server trust evaluation, it's a better idea to configure systems to properly trust test +/// certificates, as outlined in [this Apple tech note](https://developer.apple.com/library/archive/qa/qa1948/_index.html). +/// +/// **THIS EVALUATOR SHOULD NEVER BE USED IN PRODUCTION!** +public final class DisabledTrustEvaluator: ServerTrustEvaluating { + /// Creates an instance. + public init() {} + + public func evaluate(_ trust: SecTrust, forHost host: String) throws {} +} + +// MARK: - Extensions + +public extension Array where Element == ServerTrustEvaluating { + #if os(Linux) + // Add this same convenience method for Linux. + #else + /// Evaluates the given `SecTrust` value for the given `host`. + /// + /// - Parameters: + /// - trust: The `SecTrust` value to evaluate. + /// - host: The host for which to evaluate the `SecTrust` value. + /// + /// - Returns: Whether or not the evaluator considers the `SecTrust` value valid for `host`. + func evaluate(_ trust: SecTrust, forHost host: String) throws { + for evaluator in self { + try evaluator.evaluate(trust, forHost: host) + } + } + #endif +} + +extension Bundle: AlamofireExtended {} +public extension AlamofireExtension where ExtendedType: Bundle { + /// Returns all valid `cer`, `crt`, and `der` certificates in the bundle. + var certificates: [SecCertificate] { + paths(forResourcesOfTypes: [".cer", ".CER", ".crt", ".CRT", ".der", ".DER"]).compactMap { path in + guard + let certificateData = try? Data(contentsOf: URL(fileURLWithPath: path)) as CFData, + let certificate = SecCertificateCreateWithData(nil, certificateData) else { return nil } + + return certificate + } + } + + /// Returns all public keys for the valid certificates in the bundle. + var publicKeys: [SecKey] { + certificates.af.publicKeys + } + + /// Returns all pathnames for the resources identified by the provided file extensions. + /// + /// - Parameter types: The filename extensions locate. + /// + /// - Returns: All pathnames for the given filename extensions. + func paths(forResourcesOfTypes types: [String]) -> [String] { + Array(Set(types.flatMap { type.paths(forResourcesOfType: $0, inDirectory: nil) })) + } +} + +extension SecTrust: AlamofireExtended {} +public extension AlamofireExtension where ExtendedType == SecTrust { + /// Evaluates `self` after applying the `SecPolicy` value provided. + /// + /// - Parameter policy: The `SecPolicy` to apply to `self` before evaluation. + /// + /// - Throws: Any `Error` from applying the `SecPolicy` or from evaluation. + @available(iOS 12, macOS 10.14, tvOS 12, watchOS 5, *) + func evaluate(afterApplying policy: SecPolicy) throws { + try apply(policy: policy).af.evaluate() + } + + /// Attempts to validate `self` using the `SecPolicy` provided and transforming any error produced using the closure passed. + /// + /// - Parameters: + /// - policy: The `SecPolicy` used to evaluate `self`. + /// - errorProducer: The closure used transform the failed `OSStatus` and `SecTrustResultType`. + /// - Throws: Any `Error` from applying the `policy`, or the result of `errorProducer` if validation fails. + @available(iOS, introduced: 10, deprecated: 12, renamed: "evaluate(afterApplying:)") + @available(macOS, introduced: 10.12, deprecated: 10.14, renamed: "evaluate(afterApplying:)") + @available(tvOS, introduced: 10, deprecated: 12, renamed: "evaluate(afterApplying:)") + @available(watchOS, introduced: 3, deprecated: 5, renamed: "evaluate(afterApplying:)") + func validate(policy: SecPolicy, errorProducer: (_ status: OSStatus, _ result: SecTrustResultType) -> Error) throws { + try apply(policy: policy).af.validate(errorProducer: errorProducer) + } + + /// Applies a `SecPolicy` to `self`, throwing if it fails. + /// + /// - Parameter policy: The `SecPolicy`. + /// + /// - Returns: `self`, with the policy applied. + /// - Throws: An `AFError.serverTrustEvaluationFailed` instance with a `.policyApplicationFailed` reason. + func apply(policy: SecPolicy) throws -> SecTrust { + let status = SecTrustSetPolicies(type, policy) + + guard status.af.isSuccess else { + throw AFError.serverTrustEvaluationFailed(reason: .policyApplicationFailed(trust: type, + policy: policy, + status: status)) + } + + return type + } + + /// Evaluate `self`, throwing an `Error` if evaluation fails. + /// + /// - Throws: `AFError.serverTrustEvaluationFailed` with reason `.trustValidationFailed` and associated error from + /// the underlying evaluation. + @available(iOS 12, macOS 10.14, tvOS 12, watchOS 5, *) + func evaluate() throws { + var error: CFError? + let evaluationSucceeded = SecTrustEvaluateWithError(type, &error) + + if !evaluationSucceeded { + throw AFError.serverTrustEvaluationFailed(reason: .trustEvaluationFailed(error: error)) + } + } + + /// Validate `self`, passing any failure values through `errorProducer`. + /// + /// - Parameter errorProducer: The closure used to transform the failed `OSStatus` and `SecTrustResultType` into an + /// `Error`. + /// - Throws: The `Error` produced by the `errorProducer` closure. + @available(iOS, introduced: 10, deprecated: 12, renamed: "evaluate()") + @available(macOS, introduced: 10.12, deprecated: 10.14, renamed: "evaluate()") + @available(tvOS, introduced: 10, deprecated: 12, renamed: "evaluate()") + @available(watchOS, introduced: 3, deprecated: 5, renamed: "evaluate()") + func validate(errorProducer: (_ status: OSStatus, _ result: SecTrustResultType) -> Error) throws { + var result = SecTrustResultType.invalid + let status = SecTrustEvaluate(type, &result) + + guard status.af.isSuccess && result.af.isSuccess else { + throw errorProducer(status, result) + } + } + + /// Sets a custom certificate chain on `self`, allowing full validation of a self-signed certificate and its chain. + /// + /// - Parameter certificates: The `SecCertificate`s to add to the chain. + /// - Throws: Any error produced when applying the new certificate chain. + func setAnchorCertificates(_ certificates: [SecCertificate]) throws { + // Add additional anchor certificates. + let status = SecTrustSetAnchorCertificates(type, certificates as CFArray) + guard status.af.isSuccess else { + throw AFError.serverTrustEvaluationFailed(reason: .settingAnchorCertificatesFailed(status: status, + certificates: certificates)) + } + + // Trust only the set anchor certs. + let onlyStatus = SecTrustSetAnchorCertificatesOnly(type, true) + guard onlyStatus.af.isSuccess else { + throw AFError.serverTrustEvaluationFailed(reason: .settingAnchorCertificatesFailed(status: onlyStatus, + certificates: certificates)) + } + } + + /// The public keys contained in `self`. + var publicKeys: [SecKey] { + certificates.af.publicKeys + } + + /// The `SecCertificate`s contained i `self`. + var certificates: [SecCertificate] { + (0.. SecPolicy { + SecPolicyCreateSSL(true, hostname as CFString) + } + + /// Creates a `SecPolicy` which checks the revocation of certificates. + /// + /// - Parameter options: The `RevocationTrustEvaluator.Options` for evaluation. + /// + /// - Returns: The `SecPolicy`. + /// - Throws: An `AFError.serverTrustEvaluationFailed` error with reason `.revocationPolicyCreationFailed` + /// if the policy cannot be created. + static func revocation(options: RevocationTrustEvaluator.Options) throws -> SecPolicy { + guard let policy = SecPolicyCreateRevocation(options.rawValue) else { + throw AFError.serverTrustEvaluationFailed(reason: .revocationPolicyCreationFailed) + } + + return policy + } +} + +extension Array: AlamofireExtended {} +public extension AlamofireExtension where ExtendedType == [SecCertificate] { + /// All `Data` values for the contained `SecCertificate`s. + var data: [Data] { + type.map { SecCertificateCopyData($0) as Data } + } + + /// All public `SecKey` values for the contained `SecCertificate`s. + var publicKeys: [SecKey] { + type.compactMap { $0.af.publicKey } + } +} + +extension SecCertificate: AlamofireExtended {} +public extension AlamofireExtension where ExtendedType == SecCertificate { + /// The public key for `self`, if it can be extracted. + var publicKey: SecKey? { + let policy = SecPolicyCreateBasicX509() + var trust: SecTrust? + let trustCreationStatus = SecTrustCreateWithCertificates(type, policy, &trust) + + guard let createdTrust = trust, trustCreationStatus == errSecSuccess else { return nil } + + return SecTrustCopyPublicKey(createdTrust) + } +} + +extension OSStatus: AlamofireExtended {} +public extension AlamofireExtension where ExtendedType == OSStatus { + /// Returns whether `self` is `errSecSuccess`. + var isSuccess: Bool { type == errSecSuccess } +} + +extension SecTrustResultType: AlamofireExtended {} +public extension AlamofireExtension where ExtendedType == SecTrustResultType { + /// Returns whether `self is `.unspecified` or `.proceed`. + var isSuccess: Bool { + (type == .unspecified || type == .proceed) + } +} diff --git a/Pods/Alamofire/Source/Session.swift b/Pods/Alamofire/Source/Session.swift new file mode 100644 index 0000000..f130522 --- /dev/null +++ b/Pods/Alamofire/Source/Session.swift @@ -0,0 +1,1236 @@ +// +// Session.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +/// `Session` creates and manages Alamofire's `Request` types during their lifetimes. It also provides common +/// functionality for all `Request`s, including queuing, interception, trust management, redirect handling, and response +/// cache handling. +open class Session { + /// Shared singleton instance used by all `AF.request` APIs. Cannot be modified. + public static let `default` = Session() + + /// Underlying `URLSession` used to create `URLSessionTasks` for this instance, and for which this instance's + /// `delegate` handles `URLSessionDelegate` callbacks. + /// + /// - Note: This instance should **NOT** be used to interact with the underlying `URLSessionTask`s. Doing so will + /// break internal Alamofire logic that tracks those tasks. + /// + public let session: URLSession + /// Instance's `SessionDelegate`, which handles the `URLSessionDelegate` methods and `Request` interaction. + public let delegate: SessionDelegate + /// Root `DispatchQueue` for all internal callbacks and state update. **MUST** be a serial queue. + public let rootQueue: DispatchQueue + /// Value determining whether this instance automatically calls `resume()` on all created `Request`s. + public let startRequestsImmediately: Bool + /// `DispatchQueue` on which `URLRequest`s are created asynchronously. By default this queue uses `rootQueue` as its + /// `target`, but a separate queue can be used if request creation is determined to be a bottleneck. Always profile + /// and test before introducing an additional queue. + public let requestQueue: DispatchQueue + /// `DispatchQueue` passed to all `Request`s on which they perform their response serialization. By default this + /// queue uses `rootQueue` as its `target` but a separate queue can be used if response serialization is determined + /// to be a bottleneck. Always profile and test before introducing an additional queue. + public let serializationQueue: DispatchQueue + /// `RequestInterceptor` used for all `Request` created by the instance. `RequestInterceptor`s can also be set on a + /// per-`Request` basis, in which case the `Request`'s interceptor takes precedence over this value. + public let interceptor: RequestInterceptor? + /// `ServerTrustManager` instance used to evaluate all trust challenges and provide certificate and key pinning. + public let serverTrustManager: ServerTrustManager? + /// `RedirectHandler` instance used to provide customization for request redirection. + public let redirectHandler: RedirectHandler? + /// `CachedResponseHandler` instance used to provide customization of cached response handling. + public let cachedResponseHandler: CachedResponseHandler? + /// `CompositeEventMonitor` used to compose Alamofire's `defaultEventMonitors` and any passed `EventMonitor`s. + public let eventMonitor: CompositeEventMonitor + /// `EventMonitor`s included in all instances. `[AlamofireNotifications()]` by default. + public let defaultEventMonitors: [EventMonitor] = [AlamofireNotifications()] + + /// Internal map between `Request`s and any `URLSessionTasks` that may be in flight for them. + var requestTaskMap = RequestTaskMap() + /// `Set` of currently active `Request`s. + var activeRequests: Set = [] + /// Completion events awaiting `URLSessionTaskMetrics`. + var waitingCompletions: [URLSessionTask: () -> Void] = [:] + + /// Creates a `Session` from a `URLSession` and other parameters. + /// + /// - Note: When passing a `URLSession`, you must create the `URLSession` with a specific `delegateQueue` value and + /// pass the `delegateQueue`'s `underlyingQueue` as the `rootQueue` parameter of this initializer. + /// + /// - Parameters: + /// - session: Underlying `URLSession` for this instance. + /// - delegate: `SessionDelegate` that handles `session`'s delegate callbacks as well as `Request` + /// interaction. + /// - rootQueue: Root `DispatchQueue` for all internal callbacks and state updates. **MUST** be a + /// serial queue. + /// - startRequestsImmediately: Determines whether this instance will automatically start all `Request`s. `true` + /// by default. If set to `false`, all `Request`s created must have `.resume()` called. + /// on them for them to start. + /// - requestQueue: `DispatchQueue` on which to perform `URLRequest` creation. By default this queue + /// will use the `rootQueue` as its `target`. A separate queue can be used if it's + /// determined request creation is a bottleneck, but that should only be done after + /// careful testing and profiling. `nil` by default. + /// - serializationQueue: `DispatchQueue` on which to perform all response serialization. By default this + /// queue will use the `rootQueue` as its `target`. A separate queue can be used if + /// it's determined response serialization is a bottleneck, but that should only be + /// done after careful testing and profiling. `nil` by default. + /// - interceptor: `RequestInterceptor` to be used for all `Request`s created by this instance. `nil` + /// by default. + /// - serverTrustManager: `ServerTrustManager` to be used for all trust evaluations by this instance. `nil` + /// by default. + /// - redirectHandler: `RedirectHandler` to be used by all `Request`s created by this instance. `nil` by + /// default. + /// - cachedResponseHandler: `CachedResponseHandler` to be used by all `Request`s created by this instance. + /// `nil` by default. + /// - eventMonitors: Additional `EventMonitor`s used by the instance. Alamofire always adds a + /// `AlamofireNotifications` `EventMonitor` to the array passed here. `[]` by default. + public init(session: URLSession, + delegate: SessionDelegate, + rootQueue: DispatchQueue, + startRequestsImmediately: Bool = true, + requestQueue: DispatchQueue? = nil, + serializationQueue: DispatchQueue? = nil, + interceptor: RequestInterceptor? = nil, + serverTrustManager: ServerTrustManager? = nil, + redirectHandler: RedirectHandler? = nil, + cachedResponseHandler: CachedResponseHandler? = nil, + eventMonitors: [EventMonitor] = []) { + precondition(session.configuration.identifier == nil, + "Alamofire does not support background URLSessionConfigurations.") + precondition(session.delegateQueue.underlyingQueue === rootQueue, + "Session(session:) initializer must be passed the DispatchQueue used as the delegateQueue's underlyingQueue as rootQueue.") + + self.session = session + self.delegate = delegate + self.rootQueue = rootQueue + self.startRequestsImmediately = startRequestsImmediately + self.requestQueue = requestQueue ?? DispatchQueue(label: "\(rootQueue.label).requestQueue", target: rootQueue) + self.serializationQueue = serializationQueue ?? DispatchQueue(label: "\(rootQueue.label).serializationQueue", target: rootQueue) + self.interceptor = interceptor + self.serverTrustManager = serverTrustManager + self.redirectHandler = redirectHandler + self.cachedResponseHandler = cachedResponseHandler + eventMonitor = CompositeEventMonitor(monitors: defaultEventMonitors + eventMonitors) + delegate.eventMonitor = eventMonitor + delegate.stateProvider = self + } + + /// Creates a `Session` from a `URLSessionConfiguration`. + /// + /// - Note: This initializer lets Alamofire handle the creation of the underlying `URLSession` and its + /// `delegateQueue`, and is the recommended initializer for most uses. + /// + /// - Parameters: + /// - configuration: `URLSessionConfiguration` to be used to create the underlying `URLSession`. Changes + /// to this value after being passed to this initializer will have no effect. + /// `URLSessionConfiguration.af.default` by default. + /// - delegate: `SessionDelegate` that handles `session`'s delegate callbacks as well as `Request` + /// interaction. `SessionDelegate()` by default. + /// - rootQueue: Root `DispatchQueue` for all internal callbacks and state updates. **MUST** be a + /// serial queue. `DispatchQueue(label: "org.alamofire.session.rootQueue")` by default. + /// - startRequestsImmediately: Determines whether this instance will automatically start all `Request`s. `true` + /// by default. If set to `false`, all `Request`s created must have `.resume()` called. + /// on them for them to start. + /// - requestQueue: `DispatchQueue` on which to perform `URLRequest` creation. By default this queue + /// will use the `rootQueue` as its `target`. A separate queue can be used if it's + /// determined request creation is a bottleneck, but that should only be done after + /// careful testing and profiling. `nil` by default. + /// - serializationQueue: `DispatchQueue` on which to perform all response serialization. By default this + /// queue will use the `rootQueue` as its `target`. A separate queue can be used if + /// it's determined response serialization is a bottleneck, but that should only be + /// done after careful testing and profiling. `nil` by default. + /// - interceptor: `RequestInterceptor` to be used for all `Request`s created by this instance. `nil` + /// by default. + /// - serverTrustManager: `ServerTrustManager` to be used for all trust evaluations by this instance. `nil` + /// by default. + /// - redirectHandler: `RedirectHandler` to be used by all `Request`s created by this instance. `nil` by + /// default. + /// - cachedResponseHandler: `CachedResponseHandler` to be used by all `Request`s created by this instance. + /// `nil` by default. + /// - eventMonitors: Additional `EventMonitor`s used by the instance. Alamofire always adds a + /// `AlamofireNotifications` `EventMonitor` to the array passed here. `[]` by default. + public convenience init(configuration: URLSessionConfiguration = URLSessionConfiguration.af.default, + delegate: SessionDelegate = SessionDelegate(), + rootQueue: DispatchQueue = DispatchQueue(label: "org.alamofire.session.rootQueue"), + startRequestsImmediately: Bool = true, + requestQueue: DispatchQueue? = nil, + serializationQueue: DispatchQueue? = nil, + interceptor: RequestInterceptor? = nil, + serverTrustManager: ServerTrustManager? = nil, + redirectHandler: RedirectHandler? = nil, + cachedResponseHandler: CachedResponseHandler? = nil, + eventMonitors: [EventMonitor] = []) { + precondition(configuration.identifier == nil, "Alamofire does not support background URLSessionConfigurations.") + + let delegateQueue = OperationQueue(maxConcurrentOperationCount: 1, underlyingQueue: rootQueue, name: "org.alamofire.session.sessionDelegateQueue") + let session = URLSession(configuration: configuration, delegate: delegate, delegateQueue: delegateQueue) + + self.init(session: session, + delegate: delegate, + rootQueue: rootQueue, + startRequestsImmediately: startRequestsImmediately, + requestQueue: requestQueue, + serializationQueue: serializationQueue, + interceptor: interceptor, + serverTrustManager: serverTrustManager, + redirectHandler: redirectHandler, + cachedResponseHandler: cachedResponseHandler, + eventMonitors: eventMonitors) + } + + deinit { + finishRequestsForDeinit() + session.invalidateAndCancel() + } + + // MARK: - Cancellation + + /// Cancel all active `Request`s, optionally calling a completion handler when complete. + /// + /// - Note: This is an asynchronous operation and does not block the creation of future `Request`s. Cancelled + /// `Request`s may not cancel immediately due internal work, and may not cancel at all if they are close to + /// completion when cancelled. + /// + /// - Parameters: + /// - queue: `DispatchQueue` on which the completion handler is run. `.main` by default. + /// - completion: Closure to be called when all `Request`s have been cancelled. + public func cancelAllRequests(completingOnQueue queue: DispatchQueue = .main, completion: (() -> Void)? = nil) { + rootQueue.async { + self.activeRequests.forEach { $0.cancel() } + queue.async { completion?() } + } + } + + // MARK: - DataRequest + + /// Closure which provides a `URLRequest` for mutation. + public typealias RequestModifier = (inout URLRequest) throws -> Void + + struct RequestConvertible: URLRequestConvertible { + let url: URLConvertible + let method: HTTPMethod + let parameters: Parameters? + let encoding: ParameterEncoding + let headers: HTTPHeaders? + let requestModifier: RequestModifier? + + func asURLRequest() throws -> URLRequest { + var request = try URLRequest(url: url, method: method, headers: headers) + try requestModifier?(&request) + + return try encoding.encode(request, with: parameters) + } + } + + /// Creates a `DataRequest` from a `URLRequest` created using the passed components and a `RequestInterceptor`. + /// + /// - Parameters: + /// - convertible: `URLConvertible` value to be used as the `URLRequest`'s `URL`. + /// - method: `HTTPMethod` for the `URLRequest`. `.get` by default. + /// - parameters: `Parameters` (a.k.a. `[String: Any]`) value to be encoded into the `URLRequest`. `nil` by + /// default. + /// - encoding: `ParameterEncoding` to be used to encode the `parameters` value into the `URLRequest`. + /// `URLEncoding.default` by default. + /// - headers: `HTTPHeaders` value to be added to the `URLRequest`. `nil` by default. + /// - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default. + /// - requestModifier: `RequestModifier` which will be applied to the `URLRequest` created from the provided + /// parameters. `nil` by default. + /// + /// - Returns: The created `DataRequest`. + open func request(_ convertible: URLConvertible, + method: HTTPMethod = .get, + parameters: Parameters? = nil, + encoding: ParameterEncoding = URLEncoding.default, + headers: HTTPHeaders? = nil, + interceptor: RequestInterceptor? = nil, + requestModifier: RequestModifier? = nil) -> DataRequest { + let convertible = RequestConvertible(url: convertible, + method: method, + parameters: parameters, + encoding: encoding, + headers: headers, + requestModifier: requestModifier) + + return request(convertible, interceptor: interceptor) + } + + struct RequestEncodableConvertible: URLRequestConvertible { + let url: URLConvertible + let method: HTTPMethod + let parameters: Parameters? + let encoder: ParameterEncoder + let headers: HTTPHeaders? + let requestModifier: RequestModifier? + + func asURLRequest() throws -> URLRequest { + var request = try URLRequest(url: url, method: method, headers: headers) + try requestModifier?(&request) + + return try parameters.map { try encoder.encode($0, into: request) } ?? request + } + } + + /// Creates a `DataRequest` from a `URLRequest` created using the passed components, `Encodable` parameters, and a + /// `RequestInterceptor`. + /// + /// - Parameters: + /// - convertible: `URLConvertible` value to be used as the `URLRequest`'s `URL`. + /// - method: `HTTPMethod` for the `URLRequest`. `.get` by default. + /// - parameters: `Encodable` value to be encoded into the `URLRequest`. `nil` by default. + /// - encoder: `ParameterEncoder` to be used to encode the `parameters` value into the `URLRequest`. + /// `URLEncodedFormParameterEncoder.default` by default. + /// - headers: `HTTPHeaders` value to be added to the `URLRequest`. `nil` by default. + /// - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default. + /// + /// - Returns: The created `DataRequest`. + open func request(_ convertible: URLConvertible, + method: HTTPMethod = .get, + parameters: Parameters? = nil, + encoder: ParameterEncoder = URLEncodedFormParameterEncoder.default, + headers: HTTPHeaders? = nil, + interceptor: RequestInterceptor? = nil, + requestModifier: RequestModifier? = nil) -> DataRequest { + let convertible = RequestEncodableConvertible(url: convertible, + method: method, + parameters: parameters, + encoder: encoder, + headers: headers, + requestModifier: requestModifier) + + return request(convertible, interceptor: interceptor) + } + + /// Creates a `DataRequest` from a `URLRequestConvertible` value and a `RequestInterceptor`. + /// + /// - Parameters: + /// - convertible: `URLRequestConvertible` value to be used to create the `URLRequest`. + /// - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default. + /// + /// - Returns: The created `DataRequest`. + open func request(_ convertible: URLRequestConvertible, interceptor: RequestInterceptor? = nil) -> DataRequest { + let request = DataRequest(convertible: convertible, + underlyingQueue: rootQueue, + serializationQueue: serializationQueue, + eventMonitor: eventMonitor, + interceptor: interceptor, + delegate: self) + + perform(request) + + return request + } + + // MARK: - DataStreamRequest + + /// Creates a `DataStreamRequest` from the passed components, `Encodable` parameters, and `RequestInterceptor`. + /// + /// - Parameters: + /// - convertible: `URLConvertible` value to be used as the `URLRequest`'s `URL`. + /// - method: `HTTPMethod` for the `URLRequest`. `.get` by default. + /// - parameters: `Encodable` value to be encoded into the `URLRequest`. `nil` by default. + /// - encoder: `ParameterEncoder` to be used to encode the `parameters` value into the + /// `URLRequest`. + /// `URLEncodedFormParameterEncoder.default` by default. + /// - headers: `HTTPHeaders` value to be added to the `URLRequest`. `nil` by default. + /// - automaticallyCancelOnStreamError: `Bool` indicating whether the instance should be canceled when an `Error` + /// is thrown while serializing stream `Data`. `false` by default. + /// - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` + /// by default. + /// - requestModifier: `RequestModifier` which will be applied to the `URLRequest` created from + /// the provided parameters. `nil` by default. + /// + /// - Returns: The created `DataStream` request. + open func streamRequest(_ convertible: URLConvertible, + method: HTTPMethod = .get, + parameters: Parameters? = nil, + encoder: ParameterEncoder = URLEncodedFormParameterEncoder.default, + headers: HTTPHeaders? = nil, + automaticallyCancelOnStreamError: Bool = false, + interceptor: RequestInterceptor? = nil, + requestModifier: RequestModifier? = nil) -> DataStreamRequest { + let convertible = RequestEncodableConvertible(url: convertible, + method: method, + parameters: parameters, + encoder: encoder, + headers: headers, + requestModifier: requestModifier) + + return streamRequest(convertible, + automaticallyCancelOnStreamError: automaticallyCancelOnStreamError, + interceptor: interceptor) + } + + /// Creates a `DataStreamRequest` from the passed components and `RequestInterceptor`. + /// + /// - Parameters: + /// - convertible: `URLConvertible` value to be used as the `URLRequest`'s `URL`. + /// - method: `HTTPMethod` for the `URLRequest`. `.get` by default. + /// - headers: `HTTPHeaders` value to be added to the `URLRequest`. `nil` by default. + /// - automaticallyCancelOnStreamError: `Bool` indicating whether the instance should be canceled when an `Error` + /// is thrown while serializing stream `Data`. `false` by default. + /// - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` + /// by default. + /// - requestModifier: `RequestModifier` which will be applied to the `URLRequest` created from + /// the provided parameters. `nil` by default. + /// + /// - Returns: The created `DataStream` request. + open func streamRequest(_ convertible: URLConvertible, + method: HTTPMethod = .get, + headers: HTTPHeaders? = nil, + automaticallyCancelOnStreamError: Bool = false, + interceptor: RequestInterceptor? = nil, + requestModifier: RequestModifier? = nil) -> DataStreamRequest { + let convertible = RequestEncodableConvertible(url: convertible, + method: method, + parameters: Optional.none, + encoder: URLEncodedFormParameterEncoder.default, + headers: headers, + requestModifier: requestModifier) + + return streamRequest(convertible, + automaticallyCancelOnStreamError: automaticallyCancelOnStreamError, + interceptor: interceptor) + } + + /// Creates a `DataStreamRequest` from the passed `URLRequestConvertible` value and `RequestInterceptor`. + /// + /// - Parameters: + /// - convertible: `URLRequestConvertible` value to be used to create the `URLRequest`. + /// - automaticallyCancelOnStreamError: `Bool` indicating whether the instance should be canceled when an `Error` + /// is thrown while serializing stream `Data`. `false` by default. + /// - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` + /// by default. + /// + /// - Returns: The created `DataStreamRequest`. + open func streamRequest(_ convertible: URLRequestConvertible, + automaticallyCancelOnStreamError: Bool = false, + interceptor: RequestInterceptor? = nil) -> DataStreamRequest { + let request = DataStreamRequest(convertible: convertible, + automaticallyCancelOnStreamError: automaticallyCancelOnStreamError, + underlyingQueue: rootQueue, + serializationQueue: serializationQueue, + eventMonitor: eventMonitor, + interceptor: interceptor, + delegate: self) + + perform(request) + + return request + } + + // MARK: - DownloadRequest + + /// Creates a `DownloadRequest` using a `URLRequest` created using the passed components, `RequestInterceptor`, and + /// `Destination`. + /// + /// - Parameters: + /// - convertible: `URLConvertible` value to be used as the `URLRequest`'s `URL`. + /// - method: `HTTPMethod` for the `URLRequest`. `.get` by default. + /// - parameters: `Parameters` (a.k.a. `[String: Any]`) value to be encoded into the `URLRequest`. `nil` by + /// default. + /// - encoding: `ParameterEncoding` to be used to encode the `parameters` value into the `URLRequest`. + /// Defaults to `URLEncoding.default`. + /// - headers: `HTTPHeaders` value to be added to the `URLRequest`. `nil` by default. + /// - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default. + /// - requestModifier: `RequestModifier` which will be applied to the `URLRequest` created from the provided + /// parameters. `nil` by default. + /// - destination: `DownloadRequest.Destination` closure used to determine how and where the downloaded file + /// should be moved. `nil` by default. + /// + /// - Returns: The created `DownloadRequest`. + open func download(_ convertible: URLConvertible, + method: HTTPMethod = .get, + parameters: Parameters? = nil, + encoding: ParameterEncoding = URLEncoding.default, + headers: HTTPHeaders? = nil, + interceptor: RequestInterceptor? = nil, + requestModifier: RequestModifier? = nil, + to destination: DownloadRequest.Destination? = nil) -> DownloadRequest { + let convertible = RequestConvertible(url: convertible, + method: method, + parameters: parameters, + encoding: encoding, + headers: headers, + requestModifier: requestModifier) + + return download(convertible, interceptor: interceptor, to: destination) + } + + /// Creates a `DownloadRequest` from a `URLRequest` created using the passed components, `Encodable` parameters, and + /// a `RequestInterceptor`. + /// + /// - Parameters: + /// - convertible: `URLConvertible` value to be used as the `URLRequest`'s `URL`. + /// - method: `HTTPMethod` for the `URLRequest`. `.get` by default. + /// - parameters: Value conforming to `Encodable` to be encoded into the `URLRequest`. `nil` by default. + /// - encoder: `ParameterEncoder` to be used to encode the `parameters` value into the `URLRequest`. + /// Defaults to `URLEncodedFormParameterEncoder.default`. + /// - headers: `HTTPHeaders` value to be added to the `URLRequest`. `nil` by default. + /// - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default. + /// - requestModifier: `RequestModifier` which will be applied to the `URLRequest` created from the provided + /// parameters. `nil` by default. + /// - destination: `DownloadRequest.Destination` closure used to determine how and where the downloaded file + /// should be moved. `nil` by default. + /// + /// - Returns: The created `DownloadRequest`. + open func download(_ convertible: URLConvertible, + method: HTTPMethod = .get, + parameters: Parameters? = nil, + encoder: ParameterEncoder = URLEncodedFormParameterEncoder.default, + headers: HTTPHeaders? = nil, + interceptor: RequestInterceptor? = nil, + requestModifier: RequestModifier? = nil, + to destination: DownloadRequest.Destination? = nil) -> DownloadRequest { + let convertible = RequestEncodableConvertible(url: convertible, + method: method, + parameters: parameters, + encoder: encoder, + headers: headers, + requestModifier: requestModifier) + + return download(convertible, interceptor: interceptor, to: destination) + } + + /// Creates a `DownloadRequest` from a `URLRequestConvertible` value, a `RequestInterceptor`, and a `Destination`. + /// + /// - Parameters: + /// - convertible: `URLRequestConvertible` value to be used to create the `URLRequest`. + /// - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default. + /// - destination: `DownloadRequest.Destination` closure used to determine how and where the downloaded file + /// should be moved. `nil` by default. + /// + /// - Returns: The created `DownloadRequest`. + open func download(_ convertible: URLRequestConvertible, + interceptor: RequestInterceptor? = nil, + to destination: DownloadRequest.Destination? = nil) -> DownloadRequest { + let request = DownloadRequest(downloadable: .request(convertible), + underlyingQueue: rootQueue, + serializationQueue: serializationQueue, + eventMonitor: eventMonitor, + interceptor: interceptor, + delegate: self, + destination: destination ?? DownloadRequest.defaultDestination) + + perform(request) + + return request + } + + /// Creates a `DownloadRequest` from the `resumeData` produced from a previously cancelled `DownloadRequest`, as + /// well as a `RequestInterceptor`, and a `Destination`. + /// + /// - Note: If `destination` is not specified, the download will be moved to a temporary location determined by + /// Alamofire. The file will not be deleted until the system purges the temporary files. + /// + /// - Note: On some versions of all Apple platforms (iOS 10 - 10.2, macOS 10.12 - 10.12.2, tvOS 10 - 10.1, watchOS 3 - 3.1.1), + /// `resumeData` is broken on background URL session configurations. There's an underlying bug in the `resumeData` + /// generation logic where the data is written incorrectly and will always fail to resume the download. For more + /// information about the bug and possible workarounds, please refer to the [this Stack Overflow post](http://stackoverflow.com/a/39347461/1342462). + /// + /// - Parameters: + /// - data: The resume data from a previously cancelled `DownloadRequest` or `URLSessionDownloadTask`. + /// - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default. + /// - destination: `DownloadRequest.Destination` closure used to determine how and where the downloaded file + /// should be moved. `nil` by default. + /// + /// - Returns: The created `DownloadRequest`. + open func download(resumingWith data: Data, + interceptor: RequestInterceptor? = nil, + to destination: DownloadRequest.Destination? = nil) -> DownloadRequest { + let request = DownloadRequest(downloadable: .resumeData(data), + underlyingQueue: rootQueue, + serializationQueue: serializationQueue, + eventMonitor: eventMonitor, + interceptor: interceptor, + delegate: self, + destination: destination ?? DownloadRequest.defaultDestination) + + perform(request) + + return request + } + + // MARK: - UploadRequest + + struct ParameterlessRequestConvertible: URLRequestConvertible { + let url: URLConvertible + let method: HTTPMethod + let headers: HTTPHeaders? + let requestModifier: RequestModifier? + + func asURLRequest() throws -> URLRequest { + var request = try URLRequest(url: url, method: method, headers: headers) + try requestModifier?(&request) + + return request + } + } + + struct Upload: UploadConvertible { + let request: URLRequestConvertible + let uploadable: UploadableConvertible + + func createUploadable() throws -> UploadRequest.Uploadable { + try uploadable.createUploadable() + } + + func asURLRequest() throws -> URLRequest { + try request.asURLRequest() + } + } + + // MARK: Data + + /// Creates an `UploadRequest` for the given `Data`, `URLRequest` components, and `RequestInterceptor`. + /// + /// - Parameters: + /// - data: The `Data` to upload. + /// - convertible: `URLConvertible` value to be used as the `URLRequest`'s `URL`. + /// - method: `HTTPMethod` for the `URLRequest`. `.post` by default. + /// - headers: `HTTPHeaders` value to be added to the `URLRequest`. `nil` by default. + /// - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default. + /// - fileManager: `FileManager` instance to be used by the returned `UploadRequest`. `.default` instance by + /// default. + /// - requestModifier: `RequestModifier` which will be applied to the `URLRequest` created from the provided + /// parameters. `nil` by default. + /// + /// - Returns: The created `UploadRequest`. + open func upload(_ data: Data, + to convertible: URLConvertible, + method: HTTPMethod = .post, + headers: HTTPHeaders? = nil, + interceptor: RequestInterceptor? = nil, + fileManager: FileManager = .default, + requestModifier: RequestModifier? = nil) -> UploadRequest { + let convertible = ParameterlessRequestConvertible(url: convertible, + method: method, + headers: headers, + requestModifier: requestModifier) + + return upload(data, with: convertible, interceptor: interceptor, fileManager: fileManager) + } + + /// Creates an `UploadRequest` for the given `Data` using the `URLRequestConvertible` value and `RequestInterceptor`. + /// + /// - Parameters: + /// - data: The `Data` to upload. + /// - convertible: `URLRequestConvertible` value to be used to create the `URLRequest`. + /// - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default. + /// - fileManager: `FileManager` instance to be used by the returned `UploadRequest`. `.default` instance by + /// default. + /// + /// - Returns: The created `UploadRequest`. + open func upload(_ data: Data, + with convertible: URLRequestConvertible, + interceptor: RequestInterceptor? = nil, + fileManager: FileManager = .default) -> UploadRequest { + upload(.data(data), with: convertible, interceptor: interceptor, fileManager: fileManager) + } + + // MARK: File + + /// Creates an `UploadRequest` for the file at the given file `URL`, using a `URLRequest` from the provided + /// components and `RequestInterceptor`. + /// + /// - Parameters: + /// - fileURL: The `URL` of the file to upload. + /// - convertible: `URLConvertible` value to be used as the `URLRequest`'s `URL`. + /// - method: `HTTPMethod` for the `URLRequest`. `.post` by default. + /// - headers: `HTTPHeaders` value to be added to the `URLRequest`. `nil` by default. + /// - interceptor: `RequestInterceptor` value to be used by the returned `UploadRequest`. `nil` by default. + /// - fileManager: `FileManager` instance to be used by the returned `UploadRequest`. `.default` instance by + /// default. + /// - requestModifier: `RequestModifier` which will be applied to the `URLRequest` created from the provided + /// parameters. `nil` by default. + /// + /// - Returns: The created `UploadRequest`. + open func upload(_ fileURL: URL, + to convertible: URLConvertible, + method: HTTPMethod = .post, + headers: HTTPHeaders? = nil, + interceptor: RequestInterceptor? = nil, + fileManager: FileManager = .default, + requestModifier: RequestModifier? = nil) -> UploadRequest { + let convertible = ParameterlessRequestConvertible(url: convertible, + method: method, + headers: headers, + requestModifier: requestModifier) + + return upload(fileURL, with: convertible, interceptor: interceptor, fileManager: fileManager) + } + + /// Creates an `UploadRequest` for the file at the given file `URL` using the `URLRequestConvertible` value and + /// `RequestInterceptor`. + /// + /// - Parameters: + /// - fileURL: The `URL` of the file to upload. + /// - convertible: `URLRequestConvertible` value to be used to create the `URLRequest`. + /// - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default. + /// - fileManager: `FileManager` instance to be used by the returned `UploadRequest`. `.default` instance by + /// default. + /// + /// - Returns: The created `UploadRequest`. + open func upload(_ fileURL: URL, + with convertible: URLRequestConvertible, + interceptor: RequestInterceptor? = nil, + fileManager: FileManager = .default) -> UploadRequest { + upload(.file(fileURL, shouldRemove: false), with: convertible, interceptor: interceptor, fileManager: fileManager) + } + + // MARK: InputStream + + /// Creates an `UploadRequest` from the `InputStream` provided using a `URLRequest` from the provided components and + /// `RequestInterceptor`. + /// + /// - Parameters: + /// - stream: The `InputStream` that provides the data to upload. + /// - convertible: `URLConvertible` value to be used as the `URLRequest`'s `URL`. + /// - method: `HTTPMethod` for the `URLRequest`. `.post` by default. + /// - headers: `HTTPHeaders` value to be added to the `URLRequest`. `nil` by default. + /// - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default. + /// - fileManager: `FileManager` instance to be used by the returned `UploadRequest`. `.default` instance by + /// default. + /// - requestModifier: `RequestModifier` which will be applied to the `URLRequest` created from the provided + /// parameters. `nil` by default. + /// + /// - Returns: The created `UploadRequest`. + open func upload(_ stream: InputStream, + to convertible: URLConvertible, + method: HTTPMethod = .post, + headers: HTTPHeaders? = nil, + interceptor: RequestInterceptor? = nil, + fileManager: FileManager = .default, + requestModifier: RequestModifier? = nil) -> UploadRequest { + let convertible = ParameterlessRequestConvertible(url: convertible, + method: method, + headers: headers, + requestModifier: requestModifier) + + return upload(stream, with: convertible, interceptor: interceptor, fileManager: fileManager) + } + + /// Creates an `UploadRequest` from the provided `InputStream` using the `URLRequestConvertible` value and + /// `RequestInterceptor`. + /// + /// - Parameters: + /// - stream: The `InputStream` that provides the data to upload. + /// - convertible: `URLRequestConvertible` value to be used to create the `URLRequest`. + /// - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default. + /// - fileManager: `FileManager` instance to be used by the returned `UploadRequest`. `.default` instance by + /// default. + /// + /// - Returns: The created `UploadRequest`. + open func upload(_ stream: InputStream, + with convertible: URLRequestConvertible, + interceptor: RequestInterceptor? = nil, + fileManager: FileManager = .default) -> UploadRequest { + upload(.stream(stream), with: convertible, interceptor: interceptor, fileManager: fileManager) + } + + // MARK: MultipartFormData + + /// Creates an `UploadRequest` for the multipart form data built using a closure and sent using the provided + /// `URLRequest` components and `RequestInterceptor`. + /// + /// It is important to understand the memory implications of uploading `MultipartFormData`. If the cumulative + /// payload is small, encoding the data in-memory and directly uploading to a server is the by far the most + /// efficient approach. However, if the payload is too large, encoding the data in-memory could cause your app to + /// be terminated. Larger payloads must first be written to disk using input and output streams to keep the memory + /// footprint low, then the data can be uploaded as a stream from the resulting file. Streaming from disk MUST be + /// used for larger payloads such as video content. + /// + /// The `encodingMemoryThreshold` parameter allows Alamofire to automatically determine whether to encode in-memory + /// or stream from disk. If the content length of the `MultipartFormData` is below the `encodingMemoryThreshold`, + /// encoding takes place in-memory. If the content length exceeds the threshold, the data is streamed to disk + /// during the encoding process. Then the result is uploaded as data or as a stream depending on which encoding + /// technique was used. + /// + /// - Parameters: + /// - multipartFormData: `MultipartFormData` building closure. + /// - convertible: `URLConvertible` value to be used as the `URLRequest`'s `URL`. + /// - encodingMemoryThreshold: Byte threshold used to determine whether the form data is encoded into memory or + /// onto disk before being uploaded. `MultipartFormData.encodingMemoryThreshold` by + /// default. + /// - method: `HTTPMethod` for the `URLRequest`. `.post` by default. + /// - headers: `HTTPHeaders` value to be added to the `URLRequest`. `nil` by default. + /// - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default. + /// - fileManager: `FileManager` to be used if the form data exceeds the memory threshold and is + /// written to disk before being uploaded. `.default` instance by default. + /// - requestModifier: `RequestModifier` which will be applied to the `URLRequest` created from the + /// provided parameters. `nil` by default. + /// + /// - Returns: The created `UploadRequest`. + open func upload(multipartFormData: @escaping (MultipartFormData) -> Void, + to url: URLConvertible, + usingThreshold encodingMemoryThreshold: UInt64 = MultipartFormData.encodingMemoryThreshold, + method: HTTPMethod = .post, + headers: HTTPHeaders? = nil, + interceptor: RequestInterceptor? = nil, + fileManager: FileManager = .default, + requestModifier: RequestModifier? = nil) -> UploadRequest { + let convertible = ParameterlessRequestConvertible(url: url, + method: method, + headers: headers, + requestModifier: requestModifier) + + let formData = MultipartFormData(fileManager: fileManager) + multipartFormData(formData) + + return upload(multipartFormData: formData, + with: convertible, + usingThreshold: encodingMemoryThreshold, + interceptor: interceptor, + fileManager: fileManager) + } + + /// Creates an `UploadRequest` using a `MultipartFormData` building closure, the provided `URLRequestConvertible` + /// value, and a `RequestInterceptor`. + /// + /// It is important to understand the memory implications of uploading `MultipartFormData`. If the cumulative + /// payload is small, encoding the data in-memory and directly uploading to a server is the by far the most + /// efficient approach. However, if the payload is too large, encoding the data in-memory could cause your app to + /// be terminated. Larger payloads must first be written to disk using input and output streams to keep the memory + /// footprint low, then the data can be uploaded as a stream from the resulting file. Streaming from disk MUST be + /// used for larger payloads such as video content. + /// + /// The `encodingMemoryThreshold` parameter allows Alamofire to automatically determine whether to encode in-memory + /// or stream from disk. If the content length of the `MultipartFormData` is below the `encodingMemoryThreshold`, + /// encoding takes place in-memory. If the content length exceeds the threshold, the data is streamed to disk + /// during the encoding process. Then the result is uploaded as data or as a stream depending on which encoding + /// technique was used. + /// + /// - Parameters: + /// - multipartFormData: `MultipartFormData` building closure. + /// - request: `URLRequestConvertible` value to be used to create the `URLRequest`. + /// - encodingMemoryThreshold: Byte threshold used to determine whether the form data is encoded into memory or + /// onto disk before being uploaded. `MultipartFormData.encodingMemoryThreshold` by + /// default. + /// - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default. + /// - fileManager: `FileManager` to be used if the form data exceeds the memory threshold and is + /// written to disk before being uploaded. `.default` instance by default. + /// + /// - Returns: The created `UploadRequest`. + open func upload(multipartFormData: @escaping (MultipartFormData) -> Void, + with request: URLRequestConvertible, + usingThreshold encodingMemoryThreshold: UInt64 = MultipartFormData.encodingMemoryThreshold, + interceptor: RequestInterceptor? = nil, + fileManager: FileManager = .default) -> UploadRequest { + let formData = MultipartFormData(fileManager: fileManager) + multipartFormData(formData) + + return upload(multipartFormData: formData, + with: request, + usingThreshold: encodingMemoryThreshold, + interceptor: interceptor, + fileManager: fileManager) + } + + /// Creates an `UploadRequest` for the prebuilt `MultipartFormData` value using the provided `URLRequest` components + /// and `RequestInterceptor`. + /// + /// It is important to understand the memory implications of uploading `MultipartFormData`. If the cumulative + /// payload is small, encoding the data in-memory and directly uploading to a server is the by far the most + /// efficient approach. However, if the payload is too large, encoding the data in-memory could cause your app to + /// be terminated. Larger payloads must first be written to disk using input and output streams to keep the memory + /// footprint low, then the data can be uploaded as a stream from the resulting file. Streaming from disk MUST be + /// used for larger payloads such as video content. + /// + /// The `encodingMemoryThreshold` parameter allows Alamofire to automatically determine whether to encode in-memory + /// or stream from disk. If the content length of the `MultipartFormData` is below the `encodingMemoryThreshold`, + /// encoding takes place in-memory. If the content length exceeds the threshold, the data is streamed to disk + /// during the encoding process. Then the result is uploaded as data or as a stream depending on which encoding + /// technique was used. + /// + /// - Parameters: + /// - multipartFormData: `MultipartFormData` instance to upload. + /// - url: `URLConvertible` value to be used as the `URLRequest`'s `URL`. + /// - encodingMemoryThreshold: Byte threshold used to determine whether the form data is encoded into memory or + /// onto disk before being uploaded. `MultipartFormData.encodingMemoryThreshold` by + /// default. + /// - method: `HTTPMethod` for the `URLRequest`. `.post` by default. + /// - headers: `HTTPHeaders` value to be added to the `URLRequest`. `nil` by default. + /// - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default. + /// - fileManager: `FileManager` to be used if the form data exceeds the memory threshold and is + /// written to disk before being uploaded. `.default` instance by default. + /// - requestModifier: `RequestModifier` which will be applied to the `URLRequest` created from the + /// provided parameters. `nil` by default. + /// + /// - Returns: The created `UploadRequest`. + open func upload(multipartFormData: MultipartFormData, + to url: URLConvertible, + usingThreshold encodingMemoryThreshold: UInt64 = MultipartFormData.encodingMemoryThreshold, + method: HTTPMethod = .post, + headers: HTTPHeaders? = nil, + interceptor: RequestInterceptor? = nil, + fileManager: FileManager = .default, + requestModifier: RequestModifier? = nil) -> UploadRequest { + let convertible = ParameterlessRequestConvertible(url: url, + method: method, + headers: headers, + requestModifier: requestModifier) + + let multipartUpload = MultipartUpload(isInBackgroundSession: session.configuration.identifier != nil, + encodingMemoryThreshold: encodingMemoryThreshold, + request: convertible, + multipartFormData: multipartFormData) + + return upload(multipartUpload, interceptor: interceptor, fileManager: fileManager) + } + + /// Creates an `UploadRequest` for the prebuilt `MultipartFormData` value using the providing `URLRequestConvertible` + /// value and `RequestInterceptor`. + /// + /// It is important to understand the memory implications of uploading `MultipartFormData`. If the cumulative + /// payload is small, encoding the data in-memory and directly uploading to a server is the by far the most + /// efficient approach. However, if the payload is too large, encoding the data in-memory could cause your app to + /// be terminated. Larger payloads must first be written to disk using input and output streams to keep the memory + /// footprint low, then the data can be uploaded as a stream from the resulting file. Streaming from disk MUST be + /// used for larger payloads such as video content. + /// + /// The `encodingMemoryThreshold` parameter allows Alamofire to automatically determine whether to encode in-memory + /// or stream from disk. If the content length of the `MultipartFormData` is below the `encodingMemoryThreshold`, + /// encoding takes place in-memory. If the content length exceeds the threshold, the data is streamed to disk + /// during the encoding process. Then the result is uploaded as data or as a stream depending on which encoding + /// technique was used. + /// + /// - Parameters: + /// - multipartFormData: `MultipartFormData` instance to upload. + /// - request: `URLRequestConvertible` value to be used to create the `URLRequest`. + /// - encodingMemoryThreshold: Byte threshold used to determine whether the form data is encoded into memory or + /// onto disk before being uploaded. `MultipartFormData.encodingMemoryThreshold` by + /// default. + /// - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default. + /// - fileManager: `FileManager` instance to be used by the returned `UploadRequest`. `.default` instance by + /// default. + /// + /// - Returns: The created `UploadRequest`. + open func upload(multipartFormData: MultipartFormData, + with request: URLRequestConvertible, + usingThreshold encodingMemoryThreshold: UInt64 = MultipartFormData.encodingMemoryThreshold, + interceptor: RequestInterceptor? = nil, + fileManager: FileManager = .default) -> UploadRequest { + let multipartUpload = MultipartUpload(isInBackgroundSession: session.configuration.identifier != nil, + encodingMemoryThreshold: encodingMemoryThreshold, + request: request, + multipartFormData: multipartFormData) + + return upload(multipartUpload, interceptor: interceptor, fileManager: fileManager) + } + + // MARK: - Internal API + + // MARK: Uploadable + + func upload(_ uploadable: UploadRequest.Uploadable, + with convertible: URLRequestConvertible, + interceptor: RequestInterceptor?, + fileManager: FileManager) -> UploadRequest { + let uploadable = Upload(request: convertible, uploadable: uploadable) + + return upload(uploadable, interceptor: interceptor, fileManager: fileManager) + } + + func upload(_ upload: UploadConvertible, interceptor: RequestInterceptor?, fileManager: FileManager) -> UploadRequest { + let request = UploadRequest(convertible: upload, + underlyingQueue: rootQueue, + serializationQueue: serializationQueue, + eventMonitor: eventMonitor, + interceptor: interceptor, + fileManager: fileManager, + delegate: self) + + perform(request) + + return request + } + + // MARK: Perform + + /// Starts performing the provided `Request`. + /// + /// - Parameter request: The `Request` to perform. + func perform(_ request: Request) { + rootQueue.async { + guard !request.isCancelled else { return } + + self.activeRequests.insert(request) + + self.requestQueue.async { + // Leaf types must come first, otherwise they will cast as their superclass. + switch request { + case let r as UploadRequest: self.performUploadRequest(r) // UploadRequest must come before DataRequest due to subtype relationship. + case let r as DataRequest: self.performDataRequest(r) + case let r as DownloadRequest: self.performDownloadRequest(r) + case let r as DataStreamRequest: self.performDataStreamRequest(r) + default: fatalError("Attempted to perform unsupported Request subclass: \(type(of: request))") + } + } + } + } + + func performDataRequest(_ request: DataRequest) { + dispatchPrecondition(condition: .onQueue(requestQueue)) + + performSetupOperations(for: request, convertible: request.convertible) + } + + func performDataStreamRequest(_ request: DataStreamRequest) { + dispatchPrecondition(condition: .onQueue(requestQueue)) + + performSetupOperations(for: request, convertible: request.convertible) + } + + func performUploadRequest(_ request: UploadRequest) { + dispatchPrecondition(condition: .onQueue(requestQueue)) + + do { + let uploadable = try request.upload.createUploadable() + rootQueue.async { request.didCreateUploadable(uploadable) } + + performSetupOperations(for: request, convertible: request.convertible) + } catch { + rootQueue.async { request.didFailToCreateUploadable(with: error.asAFError(or: .createUploadableFailed(error: error))) } + } + } + + func performDownloadRequest(_ request: DownloadRequest) { + dispatchPrecondition(condition: .onQueue(requestQueue)) + + switch request.downloadable { + case let .request(convertible): + performSetupOperations(for: request, convertible: convertible) + case let .resumeData(resumeData): + rootQueue.async { self.didReceiveResumeData(resumeData, for: request) } + } + } + + func performSetupOperations(for request: Request, convertible: URLRequestConvertible) { + dispatchPrecondition(condition: .onQueue(requestQueue)) + + let initialRequest: URLRequest + + do { + initialRequest = try convertible.asURLRequest() + try initialRequest.validate() + } catch { + rootQueue.async { request.didFailToCreateURLRequest(with: error.asAFError(or: .createURLRequestFailed(error: error))) } + return + } + + rootQueue.async { request.didCreateInitialURLRequest(initialRequest) } + + guard !request.isCancelled else { return } + + guard let adapter = adapter(for: request) else { + rootQueue.async { self.didCreateURLRequest(initialRequest, for: request) } + return + } + + adapter.adapt(initialRequest, for: self) { result in + do { + let adaptedRequest = try result.get() + try adaptedRequest.validate() + + self.rootQueue.async { + request.didAdaptInitialRequest(initialRequest, to: adaptedRequest) + self.didCreateURLRequest(adaptedRequest, for: request) + } + } catch { + self.rootQueue.async { request.didFailToAdaptURLRequest(initialRequest, withError: .requestAdaptationFailed(error: error)) } + } + } + } + + // MARK: - Task Handling + + func didCreateURLRequest(_ urlRequest: URLRequest, for request: Request) { + dispatchPrecondition(condition: .onQueue(rootQueue)) + + request.didCreateURLRequest(urlRequest) + + guard !request.isCancelled else { return } + + let task = request.task(for: urlRequest, using: session) + requestTaskMap[request] = task + request.didCreateTask(task) + + updateStatesForTask(task, request: request) + } + + func didReceiveResumeData(_ data: Data, for request: DownloadRequest) { + dispatchPrecondition(condition: .onQueue(rootQueue)) + + guard !request.isCancelled else { return } + + let task = request.task(forResumeData: data, using: session) + requestTaskMap[request] = task + request.didCreateTask(task) + + updateStatesForTask(task, request: request) + } + + func updateStatesForTask(_ task: URLSessionTask, request: Request) { + dispatchPrecondition(condition: .onQueue(rootQueue)) + + request.withState { state in + switch state { + case .initialized, .finished: + // Do nothing. + break + case .resumed: + task.resume() + rootQueue.async { request.didResumeTask(task) } + case .suspended: + task.suspend() + rootQueue.async { request.didSuspendTask(task) } + case .cancelled: + // Resume to ensure metrics are gathered. + task.resume() + task.cancel() + rootQueue.async { request.didCancelTask(task) } + } + } + } + + // MARK: - Adapters and Retriers + + func adapter(for request: Request) -> RequestAdapter? { + if let requestInterceptor = request.interceptor, let sessionInterceptor = interceptor { + return Interceptor(adapters: [requestInterceptor, sessionInterceptor]) + } else { + return request.interceptor ?? interceptor + } + } + + func retrier(for request: Request) -> RequestRetrier? { + if let requestInterceptor = request.interceptor, let sessionInterceptor = interceptor { + return Interceptor(retriers: [requestInterceptor, sessionInterceptor]) + } else { + return request.interceptor ?? interceptor + } + } + + // MARK: - Invalidation + + func finishRequestsForDeinit() { + requestTaskMap.requests.forEach { request in + rootQueue.async { + request.finish(error: AFError.sessionDeinitialized) + } + } + } +} + +// MARK: - RequestDelegate + +extension Session: RequestDelegate { + public var sessionConfiguration: URLSessionConfiguration { + session.configuration + } + + public var startImmediately: Bool { startRequestsImmediately } + + public func cleanup(after request: Request) { + activeRequests.remove(request) + } + + public func retryResult(for request: Request, dueTo error: AFError, completion: @escaping (RetryResult) -> Void) { + guard let retrier = retrier(for: request) else { + rootQueue.async { completion(.doNotRetry) } + return + } + + retrier.retry(request, for: self, dueTo: error) { retryResult in + self.rootQueue.async { + guard let retryResultError = retryResult.error else { completion(retryResult); return } + + let retryError = AFError.requestRetryFailed(retryError: retryResultError, originalError: error) + completion(.doNotRetryWithError(retryError)) + } + } + } + + public func retryRequest(_ request: Request, withDelay timeDelay: TimeInterval?) { + rootQueue.async { + let retry: () -> Void = { + guard !request.isCancelled else { return } + + request.prepareForRetry() + self.perform(request) + } + + if let retryDelay = timeDelay { + self.rootQueue.after(retryDelay) { retry() } + } else { + retry() + } + } + } +} + +// MARK: - SessionStateProvider + +extension Session: SessionStateProvider { + func request(for task: URLSessionTask) -> Request? { + dispatchPrecondition(condition: .onQueue(rootQueue)) + + return requestTaskMap[task] + } + + func didGatherMetricsForTask(_ task: URLSessionTask) { + dispatchPrecondition(condition: .onQueue(rootQueue)) + + let didDisassociate = requestTaskMap.disassociateIfNecessaryAfterGatheringMetricsForTask(task) + + if didDisassociate { + waitingCompletions[task]?() + waitingCompletions[task] = nil + } + } + + func didCompleteTask(_ task: URLSessionTask, completion: @escaping () -> Void) { + dispatchPrecondition(condition: .onQueue(rootQueue)) + + let didDisassociate = requestTaskMap.disassociateIfNecessaryAfterCompletingTask(task) + + if didDisassociate { + completion() + } else { + waitingCompletions[task] = completion + } + } + + func credential(for task: URLSessionTask, in protectionSpace: URLProtectionSpace) -> URLCredential? { + dispatchPrecondition(condition: .onQueue(rootQueue)) + + return requestTaskMap[task]?.credential ?? + session.configuration.urlCredentialStorage?.defaultCredential(for: protectionSpace) + } + + func cancelRequestsForSessionInvalidation(with error: Error?) { + dispatchPrecondition(condition: .onQueue(rootQueue)) + + requestTaskMap.requests.forEach { $0.finish(error: AFError.sessionInvalidated(error: error)) } + } +} diff --git a/Pods/Alamofire/Source/SessionDelegate.swift b/Pods/Alamofire/Source/SessionDelegate.swift new file mode 100644 index 0000000..7e6604c --- /dev/null +++ b/Pods/Alamofire/Source/SessionDelegate.swift @@ -0,0 +1,328 @@ +// +// SessionDelegate.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +/// Class which implements the various `URLSessionDelegate` methods to connect various Alamofire features. +open class SessionDelegate: NSObject { + private let fileManager: FileManager + + weak var stateProvider: SessionStateProvider? + var eventMonitor: EventMonitor? + + /// Creates an instance from the given `FileManager`. + /// + /// - Parameter fileManager: `FileManager` to use for underlying file management, such as moving downloaded files. + /// `.default` by default. + public init(fileManager: FileManager = .default) { + self.fileManager = fileManager + } + + /// Internal method to find and cast requests while maintaining some integrity checking. + /// + /// - Parameters: + /// - task: The `URLSessionTask` for which to find the associated `Request`. + /// - type: The `Request` subclass type to cast any `Request` associate with `task`. + func request(for task: URLSessionTask, as type: R.Type) -> R? { + guard let provider = stateProvider else { + assertionFailure("StateProvider is nil.") + return nil + } + + return provider.request(for: task) as? R + } +} + +/// Type which provides various `Session` state values. +protocol SessionStateProvider: AnyObject { + var serverTrustManager: ServerTrustManager? { get } + var redirectHandler: RedirectHandler? { get } + var cachedResponseHandler: CachedResponseHandler? { get } + + func request(for task: URLSessionTask) -> Request? + func didGatherMetricsForTask(_ task: URLSessionTask) + func didCompleteTask(_ task: URLSessionTask, completion: @escaping () -> Void) + func credential(for task: URLSessionTask, in protectionSpace: URLProtectionSpace) -> URLCredential? + func cancelRequestsForSessionInvalidation(with error: Error?) +} + +// MARK: URLSessionDelegate + +extension SessionDelegate: URLSessionDelegate { + open func urlSession(_ session: URLSession, didBecomeInvalidWithError error: Error?) { + eventMonitor?.urlSession(session, didBecomeInvalidWithError: error) + + stateProvider?.cancelRequestsForSessionInvalidation(with: error) + } +} + +// MARK: URLSessionTaskDelegate + +extension SessionDelegate: URLSessionTaskDelegate { + /// Result of a `URLAuthenticationChallenge` evaluation. + typealias ChallengeEvaluation = (disposition: URLSession.AuthChallengeDisposition, credential: URLCredential?, error: AFError?) + + open func urlSession(_ session: URLSession, + task: URLSessionTask, + didReceive challenge: URLAuthenticationChallenge, + completionHandler: @escaping (URLSession.AuthChallengeDisposition, URLCredential?) -> Void) { + eventMonitor?.urlSession(session, task: task, didReceive: challenge) + + let evaluation: ChallengeEvaluation + switch challenge.protectionSpace.authenticationMethod { + case NSURLAuthenticationMethodServerTrust: + evaluation = attemptServerTrustAuthentication(with: challenge) + case NSURLAuthenticationMethodHTTPBasic, NSURLAuthenticationMethodHTTPDigest, NSURLAuthenticationMethodNTLM, + NSURLAuthenticationMethodNegotiate, NSURLAuthenticationMethodClientCertificate: + evaluation = attemptCredentialAuthentication(for: challenge, belongingTo: task) + default: + evaluation = (.performDefaultHandling, nil, nil) + } + + if let error = evaluation.error { + stateProvider?.request(for: task)?.didFailTask(task, earlyWithError: error) + } + + completionHandler(evaluation.disposition, evaluation.credential) + } + + /// Evaluates the server trust `URLAuthenticationChallenge` received. + /// + /// - Parameter challenge: The `URLAuthenticationChallenge`. + /// + /// - Returns: The `ChallengeEvaluation`. + func attemptServerTrustAuthentication(with challenge: URLAuthenticationChallenge) -> ChallengeEvaluation { + let host = challenge.protectionSpace.host + + guard challenge.protectionSpace.authenticationMethod == NSURLAuthenticationMethodServerTrust, + let trust = challenge.protectionSpace.serverTrust + else { + return (.performDefaultHandling, nil, nil) + } + + do { + guard let evaluator = try stateProvider?.serverTrustManager?.serverTrustEvaluator(forHost: host) else { + return (.performDefaultHandling, nil, nil) + } + + try evaluator.evaluate(trust, forHost: host) + + return (.useCredential, URLCredential(trust: trust), nil) + } catch { + return (.cancelAuthenticationChallenge, nil, error.asAFError(or: .serverTrustEvaluationFailed(reason: .customEvaluationFailed(error: error)))) + } + } + + /// Evaluates the credential-based authentication `URLAuthenticationChallenge` received for `task`. + /// + /// - Parameters: + /// - challenge: The `URLAuthenticationChallenge`. + /// - task: The `URLSessionTask` which received the challenge. + /// + /// - Returns: The `ChallengeEvaluation`. + func attemptCredentialAuthentication(for challenge: URLAuthenticationChallenge, + belongingTo task: URLSessionTask) -> ChallengeEvaluation { + guard challenge.previousFailureCount == 0 else { + return (.rejectProtectionSpace, nil, nil) + } + + guard let credential = stateProvider?.credential(for: task, in: challenge.protectionSpace) else { + return (.performDefaultHandling, nil, nil) + } + + return (.useCredential, credential, nil) + } + + open func urlSession(_ session: URLSession, + task: URLSessionTask, + didSendBodyData bytesSent: Int64, + totalBytesSent: Int64, + totalBytesExpectedToSend: Int64) { + eventMonitor?.urlSession(session, + task: task, + didSendBodyData: bytesSent, + totalBytesSent: totalBytesSent, + totalBytesExpectedToSend: totalBytesExpectedToSend) + + stateProvider?.request(for: task)?.updateUploadProgress(totalBytesSent: totalBytesSent, + totalBytesExpectedToSend: totalBytesExpectedToSend) + } + + open func urlSession(_ session: URLSession, + task: URLSessionTask, + needNewBodyStream completionHandler: @escaping (InputStream?) -> Void) { + eventMonitor?.urlSession(session, taskNeedsNewBodyStream: task) + + guard let request = request(for: task, as: UploadRequest.self) else { + assertionFailure("needNewBodyStream did not find UploadRequest.") + completionHandler(nil) + return + } + + completionHandler(request.inputStream()) + } + + open func urlSession(_ session: URLSession, + task: URLSessionTask, + willPerformHTTPRedirection response: HTTPURLResponse, + newRequest request: URLRequest, + completionHandler: @escaping (URLRequest?) -> Void) { + eventMonitor?.urlSession(session, task: task, willPerformHTTPRedirection: response, newRequest: request) + + if let redirectHandler = stateProvider?.request(for: task)?.redirectHandler ?? stateProvider?.redirectHandler { + redirectHandler.task(task, willBeRedirectedTo: request, for: response, completion: completionHandler) + } else { + completionHandler(request) + } + } + + open func urlSession(_ session: URLSession, task: URLSessionTask, didFinishCollecting metrics: URLSessionTaskMetrics) { + eventMonitor?.urlSession(session, task: task, didFinishCollecting: metrics) + + stateProvider?.request(for: task)?.didGatherMetrics(metrics) + + stateProvider?.didGatherMetricsForTask(task) + } + + open func urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?) { + eventMonitor?.urlSession(session, task: task, didCompleteWithError: error) + + let request = stateProvider?.request(for: task) + + stateProvider?.didCompleteTask(task) { + request?.didCompleteTask(task, with: error.map { $0.asAFError(or: .sessionTaskFailed(error: $0)) }) + } + } + + @available(macOS 10.13, iOS 11.0, tvOS 11.0, watchOS 4.0, *) + open func urlSession(_ session: URLSession, taskIsWaitingForConnectivity task: URLSessionTask) { + eventMonitor?.urlSession(session, taskIsWaitingForConnectivity: task) + } +} + +// MARK: URLSessionDataDelegate + +extension SessionDelegate: URLSessionDataDelegate { + open func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive data: Data) { + eventMonitor?.urlSession(session, dataTask: dataTask, didReceive: data) + + if let request = request(for: dataTask, as: DataRequest.self) { + request.didReceive(data: data) + } else if let request = request(for: dataTask, as: DataStreamRequest.self) { + request.didReceive(data: data) + } else { + assertionFailure("dataTask did not find DataRequest or DataStreamRequest in didReceive") + return + } + } + + open func urlSession(_ session: URLSession, + dataTask: URLSessionDataTask, + willCacheResponse proposedResponse: CachedURLResponse, + completionHandler: @escaping (CachedURLResponse?) -> Void) { + eventMonitor?.urlSession(session, dataTask: dataTask, willCacheResponse: proposedResponse) + + if let handler = stateProvider?.request(for: dataTask)?.cachedResponseHandler ?? stateProvider?.cachedResponseHandler { + handler.dataTask(dataTask, willCacheResponse: proposedResponse, completion: completionHandler) + } else { + completionHandler(proposedResponse) + } + } +} + +// MARK: URLSessionDownloadDelegate + +extension SessionDelegate: URLSessionDownloadDelegate { + open func urlSession(_ session: URLSession, + downloadTask: URLSessionDownloadTask, + didResumeAtOffset fileOffset: Int64, + expectedTotalBytes: Int64) { + eventMonitor?.urlSession(session, + downloadTask: downloadTask, + didResumeAtOffset: fileOffset, + expectedTotalBytes: expectedTotalBytes) + guard let downloadRequest = request(for: downloadTask, as: DownloadRequest.self) else { + assertionFailure("downloadTask did not find DownloadRequest.") + return + } + + downloadRequest.updateDownloadProgress(bytesWritten: fileOffset, + totalBytesExpectedToWrite: expectedTotalBytes) + } + + open func urlSession(_ session: URLSession, + downloadTask: URLSessionDownloadTask, + didWriteData bytesWritten: Int64, + totalBytesWritten: Int64, + totalBytesExpectedToWrite: Int64) { + eventMonitor?.urlSession(session, + downloadTask: downloadTask, + didWriteData: bytesWritten, + totalBytesWritten: totalBytesWritten, + totalBytesExpectedToWrite: totalBytesExpectedToWrite) + guard let downloadRequest = request(for: downloadTask, as: DownloadRequest.self) else { + assertionFailure("downloadTask did not find DownloadRequest.") + return + } + + downloadRequest.updateDownloadProgress(bytesWritten: bytesWritten, + totalBytesExpectedToWrite: totalBytesExpectedToWrite) + } + + open func urlSession(_ session: URLSession, downloadTask: URLSessionDownloadTask, didFinishDownloadingTo location: URL) { + eventMonitor?.urlSession(session, downloadTask: downloadTask, didFinishDownloadingTo: location) + + guard let request = request(for: downloadTask, as: DownloadRequest.self) else { + assertionFailure("downloadTask did not find DownloadRequest.") + return + } + + guard let response = request.response else { + fatalError("URLSessionDownloadTask finished downloading with no response.") + } + + let (destination, options) = (request.destination)(location, response) + + eventMonitor?.request(request, didCreateDestinationURL: destination) + + do { + if options.contains(.removePreviousFile), fileManager.fileExists(atPath: destination.path) { + try fileManager.removeItem(at: destination) + } + + if options.contains(.createIntermediateDirectories) { + let directory = destination.deletingLastPathComponent() + try fileManager.createDirectory(at: directory, withIntermediateDirectories: true) + } + + try fileManager.moveItem(at: location, to: destination) + + request.didFinishDownloading(using: downloadTask, with: .success(destination)) + } catch { + request.didFinishDownloading(using: downloadTask, with: .failure(.downloadedFileMoveFailed(error: error, + source: location, + destination: destination))) + } + } +} diff --git a/Pods/Alamofire/Source/StringEncoding+Alamofire.swift b/Pods/Alamofire/Source/StringEncoding+Alamofire.swift new file mode 100644 index 0000000..8fa6133 --- /dev/null +++ b/Pods/Alamofire/Source/StringEncoding+Alamofire.swift @@ -0,0 +1,55 @@ +// +// StringEncoding+Alamofire.swift +// +// Copyright (c) 2020 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +extension String.Encoding { + /// Creates an encoding from the IANA charset name. + /// + /// - Notes: These mappings match those [provided by CoreFoundation](https://opensource.apple.com/source/CF/CF-476.18/CFStringUtilities.c.auto.html) + /// + /// - Parameter name: IANA charset name. + init?(ianaCharsetName name: String) { + switch name.lowercased() { + case "utf-8": + self = .utf8 + case "iso-8859-1": + self = .isoLatin1 + case "unicode-1-1", "iso-10646-ucs-2", "utf-16": + self = .utf16 + case "utf-16be": + self = .utf16BigEndian + case "utf-16le": + self = .utf16LittleEndian + case "utf-32": + self = .utf32 + case "utf-32be": + self = .utf32BigEndian + case "utf-32le": + self = .utf32LittleEndian + default: + return nil + } + } +} diff --git a/Pods/Alamofire/Source/URLConvertible+URLRequestConvertible.swift b/Pods/Alamofire/Source/URLConvertible+URLRequestConvertible.swift new file mode 100644 index 0000000..455c4bc --- /dev/null +++ b/Pods/Alamofire/Source/URLConvertible+URLRequestConvertible.swift @@ -0,0 +1,105 @@ +// +// URLConvertible+URLRequestConvertible.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +/// Types adopting the `URLConvertible` protocol can be used to construct `URL`s, which can then be used to construct +/// `URLRequests`. +public protocol URLConvertible { + /// Returns a `URL` from the conforming instance or throws. + /// + /// - Returns: The `URL` created from the instance. + /// - Throws: Any error thrown while creating the `URL`. + func asURL() throws -> URL +} + +extension String: URLConvertible { + /// Returns a `URL` if `self` can be used to initialize a `URL` instance, otherwise throws. + /// + /// - Returns: The `URL` initialized with `self`. + /// - Throws: An `AFError.invalidURL` instance. + public func asURL() throws -> URL { + guard let url = URL(string: self) else { throw AFError.invalidURL(url: self) } + + return url + } +} + +extension URL: URLConvertible { + /// Returns `self`. + public func asURL() throws -> URL { self } +} + +extension URLComponents: URLConvertible { + /// Returns a `URL` if the `self`'s `url` is not nil, otherwise throws. + /// + /// - Returns: The `URL` from the `url` property. + /// - Throws: An `AFError.invalidURL` instance. + public func asURL() throws -> URL { + guard let url = url else { throw AFError.invalidURL(url: self) } + + return url + } +} + +// MARK: - + +/// Types adopting the `URLRequestConvertible` protocol can be used to safely construct `URLRequest`s. +public protocol URLRequestConvertible { + /// Returns a `URLRequest` or throws if an `Error` was encountered. + /// + /// - Returns: A `URLRequest`. + /// - Throws: Any error thrown while constructing the `URLRequest`. + func asURLRequest() throws -> URLRequest +} + +extension URLRequestConvertible { + /// The `URLRequest` returned by discarding any `Error` encountered. + public var urlRequest: URLRequest? { try? asURLRequest() } +} + +extension URLRequest: URLRequestConvertible { + /// Returns `self`. + public func asURLRequest() throws -> URLRequest { self } +} + +// MARK: - + +extension URLRequest { + /// Creates an instance with the specified `url`, `method`, and `headers`. + /// + /// - Parameters: + /// - url: The `URLConvertible` value. + /// - method: The `HTTPMethod`. + /// - headers: The `HTTPHeaders`, `nil` by default. + /// - Throws: Any error thrown while converting the `URLConvertible` to a `URL`. + public init(url: URLConvertible, method: HTTPMethod, headers: HTTPHeaders? = nil) throws { + let url = try url.asURL() + + self.init(url: url) + + httpMethod = method.rawValue + allHTTPHeaderFields = headers?.dictionary + } +} diff --git a/Pods/Alamofire/Source/URLEncodedFormEncoder.swift b/Pods/Alamofire/Source/URLEncodedFormEncoder.swift new file mode 100644 index 0000000..c990895 --- /dev/null +++ b/Pods/Alamofire/Source/URLEncodedFormEncoder.swift @@ -0,0 +1,976 @@ +// +// URLEncodedFormEncoder.swift +// +// Copyright (c) 2019 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +/// An object that encodes instances into URL-encoded query strings. +/// +/// There is no published specification for how to encode collection types. By default, the convention of appending +/// `[]` to the key for array values (`foo[]=1&foo[]=2`), and appending the key surrounded by square brackets for +/// nested dictionary values (`foo[bar]=baz`) is used. Optionally, `ArrayEncoding` can be used to omit the +/// square brackets appended to array keys. +/// +/// `BoolEncoding` can be used to configure how `Bool` values are encoded. The default behavior is to encode +/// `true` as 1 and `false` as 0. +/// +/// `DateEncoding` can be used to configure how `Date` values are encoded. By default, the `.deferredToDate` +/// strategy is used, which formats dates from their structure. +/// +/// `SpaceEncoding` can be used to configure how spaces are encoded. Modern encodings use percent replacement (`%20`), +/// while older encodings may expect spaces to be replaced with `+`. +/// +/// This type is largely based on Vapor's [`url-encoded-form`](https://github.com/vapor/url-encoded-form) project. +public final class URLEncodedFormEncoder { + /// Encoding to use for `Array` values. + public enum ArrayEncoding { + /// An empty set of square brackets ("[]") are appended to the key for every value. This is the default encoding. + case brackets + /// No brackets are appended to the key and the key is encoded as is. + case noBrackets + + /// Encodes the key according to the encoding. + /// + /// - Parameter key: The `key` to encode. + /// - Returns: The encoded key. + func encode(_ key: String) -> String { + switch self { + case .brackets: return "\(key)[]" + case .noBrackets: return key + } + } + } + + /// Encoding to use for `Bool` values. + public enum BoolEncoding { + /// Encodes `true` as `1`, `false` as `0`. + case numeric + /// Encodes `true` as "true", `false` as "false". This is the default encoding. + case literal + + /// Encodes the given `Bool` as a `String`. + /// + /// - Parameter value: The `Bool` to encode. + /// + /// - Returns: The encoded `String`. + func encode(_ value: Bool) -> String { + switch self { + case .numeric: return value ? "1" : "0" + case .literal: return value ? "true" : "false" + } + } + } + + /// Encoding to use for `Data` values. + public enum DataEncoding { + /// Defers encoding to the `Data` type. + case deferredToData + /// Encodes `Data` as a Base64-encoded string. This is the default encoding. + case base64 + /// Encode the `Data` as a custom value encoded by the given closure. + case custom((Data) throws -> String) + + /// Encodes `Data` according to the encoding. + /// + /// - Parameter data: The `Data` to encode. + /// + /// - Returns: The encoded `String`, or `nil` if the `Data` should be encoded according to its + /// `Encodable` implementation. + func encode(_ data: Data) throws -> String? { + switch self { + case .deferredToData: return nil + case .base64: return data.base64EncodedString() + case let .custom(encoding): return try encoding(data) + } + } + } + + /// Encoding to use for `Date` values. + public enum DateEncoding { + /// ISO8601 and RFC3339 formatter. + private static let iso8601Formatter: ISO8601DateFormatter = { + let formatter = ISO8601DateFormatter() + formatter.formatOptions = .withInternetDateTime + return formatter + }() + + /// Defers encoding to the `Date` type. This is the default encoding. + case deferredToDate + /// Encodes `Date`s as seconds since midnight UTC on January 1, 1970. + case secondsSince1970 + /// Encodes `Date`s as milliseconds since midnight UTC on January 1, 1970. + case millisecondsSince1970 + /// Encodes `Date`s according to the ISO8601 and RFC3339 standards. + case iso8601 + /// Encodes `Date`s using the given `DateFormatter`. + case formatted(DateFormatter) + /// Encodes `Date`s using the given closure. + case custom((Date) throws -> String) + + /// Encodes the date according to the encoding. + /// + /// - Parameter date: The `Date` to encode. + /// + /// - Returns: The encoded `String`, or `nil` if the `Date` should be encoded according to its + /// `Encodable` implementation. + func encode(_ date: Date) throws -> String? { + switch self { + case .deferredToDate: + return nil + case .secondsSince1970: + return String(date.timeIntervalSince1970) + case .millisecondsSince1970: + return String(date.timeIntervalSince1970 * 1000.0) + case .iso8601: + return DateEncoding.iso8601Formatter.string(from: date) + case let .formatted(formatter): + return formatter.string(from: date) + case let .custom(closure): + return try closure(date) + } + } + } + + /// Encoding to use for keys. + /// + /// This type is derived from [`JSONEncoder`'s `KeyEncodingStrategy`](https://github.com/apple/swift/blob/6aa313b8dd5f05135f7f878eccc1db6f9fbe34ff/stdlib/public/Darwin/Foundation/JSONEncoder.swift#L128) + /// and [`XMLEncoder`s `KeyEncodingStrategy`](https://github.com/MaxDesiatov/XMLCoder/blob/master/Sources/XMLCoder/Encoder/XMLEncoder.swift#L102). + public enum KeyEncoding { + /// Use the keys specified by each type. This is the default encoding. + case useDefaultKeys + /// Convert from "camelCaseKeys" to "snake_case_keys" before writing a key. + /// + /// Capital characters are determined by testing membership in + /// `CharacterSet.uppercaseLetters` and `CharacterSet.lowercaseLetters` + /// (Unicode General Categories Lu and Lt). + /// The conversion to lower case uses `Locale.system`, also known as + /// the ICU "root" locale. This means the result is consistent + /// regardless of the current user's locale and language preferences. + /// + /// Converting from camel case to snake case: + /// 1. Splits words at the boundary of lower-case to upper-case + /// 2. Inserts `_` between words + /// 3. Lowercases the entire string + /// 4. Preserves starting and ending `_`. + /// + /// For example, `oneTwoThree` becomes `one_two_three`. `_oneTwoThree_` becomes `_one_two_three_`. + /// + /// - Note: Using a key encoding strategy has a nominal performance cost, as each string key has to be converted. + case convertToSnakeCase + /// Same as convertToSnakeCase, but using `-` instead of `_`. + /// For example `oneTwoThree` becomes `one-two-three`. + case convertToKebabCase + /// Capitalize the first letter only. + /// For example `oneTwoThree` becomes `OneTwoThree`. + case capitalized + /// Uppercase all letters. + /// For example `oneTwoThree` becomes `ONETWOTHREE`. + case uppercased + /// Lowercase all letters. + /// For example `oneTwoThree` becomes `onetwothree`. + case lowercased + /// A custom encoding using the provided closure. + case custom((String) -> String) + + func encode(_ key: String) -> String { + switch self { + case .useDefaultKeys: return key + case .convertToSnakeCase: return convertToSnakeCase(key) + case .convertToKebabCase: return convertToKebabCase(key) + case .capitalized: return String(key.prefix(1).uppercased() + key.dropFirst()) + case .uppercased: return key.uppercased() + case .lowercased: return key.lowercased() + case let .custom(encoding): return encoding(key) + } + } + + private func convertToSnakeCase(_ key: String) -> String { + convert(key, usingSeparator: "_") + } + + private func convertToKebabCase(_ key: String) -> String { + convert(key, usingSeparator: "-") + } + + private func convert(_ key: String, usingSeparator separator: String) -> String { + guard !key.isEmpty else { return key } + + var words: [Range] = [] + // The general idea of this algorithm is to split words on + // transition from lower to upper case, then on transition of >1 + // upper case characters to lowercase + // + // myProperty -> my_property + // myURLProperty -> my_url_property + // + // It is assumed, per Swift naming conventions, that the first character of the key is lowercase. + var wordStart = key.startIndex + var searchRange = key.index(after: wordStart)..1 capital letters. Turn those into a word, stopping at the capital before the lower case character. + let beforeLowerIndex = key.index(before: lowerCaseRange.lowerBound) + words.append(upperCaseRange.lowerBound.. String { + switch self { + case .percentEscaped: return string.replacingOccurrences(of: " ", with: "%20") + case .plusReplaced: return string.replacingOccurrences(of: " ", with: "+") + } + } + } + + /// `URLEncodedFormEncoder` error. + public enum Error: Swift.Error { + /// An invalid root object was created by the encoder. Only keyed values are valid. + case invalidRootObject(String) + + var localizedDescription: String { + switch self { + case let .invalidRootObject(object): + return "URLEncodedFormEncoder requires keyed root object. Received \(object) instead." + } + } + } + + /// Whether or not to sort the encoded key value pairs. + /// + /// - Note: This setting ensures a consistent ordering for all encodings of the same parameters. When set to `false`, + /// encoded `Dictionary` values may have a different encoded order each time they're encoded due to + /// ` Dictionary`'s random storage order, but `Encodable` types will maintain their encoded order. + public let alphabetizeKeyValuePairs: Bool + /// The `ArrayEncoding` to use. + public let arrayEncoding: ArrayEncoding + /// The `BoolEncoding` to use. + public let boolEncoding: BoolEncoding + /// THe `DataEncoding` to use. + public let dataEncoding: DataEncoding + /// The `DateEncoding` to use. + public let dateEncoding: DateEncoding + /// The `KeyEncoding` to use. + public let keyEncoding: KeyEncoding + /// The `SpaceEncoding` to use. + public let spaceEncoding: SpaceEncoding + /// The `CharacterSet` of allowed (non-escaped) characters. + public var allowedCharacters: CharacterSet + + /// Creates an instance from the supplied parameters. + /// + /// - Parameters: + /// - alphabetizeKeyValuePairs: Whether or not to sort the encoded key value pairs. `true` by default. + /// - arrayEncoding: The `ArrayEncoding` to use. `.brackets` by default. + /// - boolEncoding: The `BoolEncoding` to use. `.numeric` by default. + /// - dataEncoding: The `DataEncoding` to use. `.base64` by default. + /// - dateEncoding: The `DateEncoding` to use. `.deferredToDate` by default. + /// - keyEncoding: The `KeyEncoding` to use. `.useDefaultKeys` by default. + /// - spaceEncoding: The `SpaceEncoding` to use. `.percentEscaped` by default. + /// - allowedCharacters: The `CharacterSet` of allowed (non-escaped) characters. `.afURLQueryAllowed` by + /// default. + public init(alphabetizeKeyValuePairs: Bool = true, + arrayEncoding: ArrayEncoding = .brackets, + boolEncoding: BoolEncoding = .numeric, + dataEncoding: DataEncoding = .base64, + dateEncoding: DateEncoding = .deferredToDate, + keyEncoding: KeyEncoding = .useDefaultKeys, + spaceEncoding: SpaceEncoding = .percentEscaped, + allowedCharacters: CharacterSet = .afURLQueryAllowed) { + self.alphabetizeKeyValuePairs = alphabetizeKeyValuePairs + self.arrayEncoding = arrayEncoding + self.boolEncoding = boolEncoding + self.dataEncoding = dataEncoding + self.dateEncoding = dateEncoding + self.keyEncoding = keyEncoding + self.spaceEncoding = spaceEncoding + self.allowedCharacters = allowedCharacters + } + + func encode(_ value: Encodable) throws -> URLEncodedFormComponent { + let context = URLEncodedFormContext(.object([])) + let encoder = _URLEncodedFormEncoder(context: context, + boolEncoding: boolEncoding, + dataEncoding: dataEncoding, + dateEncoding: dateEncoding) + try value.encode(to: encoder) + + return context.component + } + + /// Encodes the `value` as a URL form encoded `String`. + /// + /// - Parameter value: The `Encodable` value.` + /// + /// - Returns: The encoded `String`. + /// - Throws: An `Error` or `EncodingError` instance if encoding fails. + public func encode(_ value: Encodable) throws -> String { + let component: URLEncodedFormComponent = try encode(value) + + guard case let .object(object) = component else { + throw Error.invalidRootObject("\(component)") + } + + let serializer = URLEncodedFormSerializer(alphabetizeKeyValuePairs: alphabetizeKeyValuePairs, + arrayEncoding: arrayEncoding, + keyEncoding: keyEncoding, + spaceEncoding: spaceEncoding, + allowedCharacters: allowedCharacters) + let query = serializer.serialize(object) + + return query + } + + /// Encodes the value as `Data`. This is performed by first creating an encoded `String` and then returning the + /// `.utf8` data. + /// + /// - Parameter value: The `Encodable` value. + /// + /// - Returns: The encoded `Data`. + /// + /// - Throws: An `Error` or `EncodingError` instance if encoding fails. + public func encode(_ value: Encodable) throws -> Data { + let string: String = try encode(value) + + return Data(string.utf8) + } +} + +final class _URLEncodedFormEncoder { + var codingPath: [CodingKey] + // Returns an empty dictionary, as this encoder doesn't support userInfo. + var userInfo: [CodingUserInfoKey: Any] { [:] } + + let context: URLEncodedFormContext + + private let boolEncoding: URLEncodedFormEncoder.BoolEncoding + private let dataEncoding: URLEncodedFormEncoder.DataEncoding + private let dateEncoding: URLEncodedFormEncoder.DateEncoding + + init(context: URLEncodedFormContext, + codingPath: [CodingKey] = [], + boolEncoding: URLEncodedFormEncoder.BoolEncoding, + dataEncoding: URLEncodedFormEncoder.DataEncoding, + dateEncoding: URLEncodedFormEncoder.DateEncoding) { + self.context = context + self.codingPath = codingPath + self.boolEncoding = boolEncoding + self.dataEncoding = dataEncoding + self.dateEncoding = dateEncoding + } +} + +extension _URLEncodedFormEncoder: Encoder { + func container(keyedBy type: Key.Type) -> KeyedEncodingContainer where Key: CodingKey { + let container = _URLEncodedFormEncoder.KeyedContainer(context: context, + codingPath: codingPath, + boolEncoding: boolEncoding, + dataEncoding: dataEncoding, + dateEncoding: dateEncoding) + return KeyedEncodingContainer(container) + } + + func unkeyedContainer() -> UnkeyedEncodingContainer { + _URLEncodedFormEncoder.UnkeyedContainer(context: context, + codingPath: codingPath, + boolEncoding: boolEncoding, + dataEncoding: dataEncoding, + dateEncoding: dateEncoding) + } + + func singleValueContainer() -> SingleValueEncodingContainer { + _URLEncodedFormEncoder.SingleValueContainer(context: context, + codingPath: codingPath, + boolEncoding: boolEncoding, + dataEncoding: dataEncoding, + dateEncoding: dateEncoding) + } +} + +final class URLEncodedFormContext { + var component: URLEncodedFormComponent + + init(_ component: URLEncodedFormComponent) { + self.component = component + } +} + +enum URLEncodedFormComponent { + typealias Object = [(key: String, value: URLEncodedFormComponent)] + + case string(String) + case array([URLEncodedFormComponent]) + case object(Object) + + /// Converts self to an `[URLEncodedFormData]` or returns `nil` if not convertible. + var array: [URLEncodedFormComponent]? { + switch self { + case let .array(array): return array + default: return nil + } + } + + /// Converts self to an `Object` or returns `nil` if not convertible. + var object: Object? { + switch self { + case let .object(object): return object + default: return nil + } + } + + /// Sets self to the supplied value at a given path. + /// + /// data.set(to: "hello", at: ["path", "to", "value"]) + /// + /// - parameters: + /// - value: Value of `Self` to set at the supplied path. + /// - path: `CodingKey` path to update with the supplied value. + public mutating func set(to value: URLEncodedFormComponent, at path: [CodingKey]) { + set(&self, to: value, at: path) + } + + /// Recursive backing method to `set(to:at:)`. + private func set(_ context: inout URLEncodedFormComponent, to value: URLEncodedFormComponent, at path: [CodingKey]) { + guard path.count >= 1 else { + context = value + return + } + + let end = path[0] + var child: URLEncodedFormComponent + switch path.count { + case 1: + child = value + case 2...: + if let index = end.intValue { + let array = context.array ?? [] + if array.count > index { + child = array[index] + } else { + child = .array([]) + } + set(&child, to: value, at: Array(path[1...])) + } else { + child = context.object?.first { $0.key == end.stringValue }?.value ?? .object(.init()) + set(&child, to: value, at: Array(path[1...])) + } + default: fatalError("Unreachable") + } + + if let index = end.intValue { + if var array = context.array { + if array.count > index { + array[index] = child + } else { + array.append(child) + } + context = .array(array) + } else { + context = .array([child]) + } + } else { + if var object = context.object { + if let index = object.firstIndex(where: { $0.key == end.stringValue }) { + object[index] = (key: end.stringValue, value: child) + } else { + object.append((key: end.stringValue, value: child)) + } + context = .object(object) + } else { + context = .object([(key: end.stringValue, value: child)]) + } + } + } +} + +struct AnyCodingKey: CodingKey, Hashable { + let stringValue: String + let intValue: Int? + + init?(stringValue: String) { + self.stringValue = stringValue + intValue = nil + } + + init?(intValue: Int) { + stringValue = "\(intValue)" + self.intValue = intValue + } + + init(_ base: Key) where Key: CodingKey { + if let intValue = base.intValue { + self.init(intValue: intValue)! + } else { + self.init(stringValue: base.stringValue)! + } + } +} + +extension _URLEncodedFormEncoder { + final class KeyedContainer where Key: CodingKey { + var codingPath: [CodingKey] + + private let context: URLEncodedFormContext + private let boolEncoding: URLEncodedFormEncoder.BoolEncoding + private let dataEncoding: URLEncodedFormEncoder.DataEncoding + private let dateEncoding: URLEncodedFormEncoder.DateEncoding + + init(context: URLEncodedFormContext, + codingPath: [CodingKey], + boolEncoding: URLEncodedFormEncoder.BoolEncoding, + dataEncoding: URLEncodedFormEncoder.DataEncoding, + dateEncoding: URLEncodedFormEncoder.DateEncoding) { + self.context = context + self.codingPath = codingPath + self.boolEncoding = boolEncoding + self.dataEncoding = dataEncoding + self.dateEncoding = dateEncoding + } + + private func nestedCodingPath(for key: CodingKey) -> [CodingKey] { + codingPath + [key] + } + } +} + +extension _URLEncodedFormEncoder.KeyedContainer: KeyedEncodingContainerProtocol { + func encodeNil(forKey key: Key) throws { + let context = EncodingError.Context(codingPath: codingPath, + debugDescription: "URLEncodedFormEncoder cannot encode nil values.") + throw EncodingError.invalidValue("\(key): nil", context) + } + + func encode(_ value: T, forKey key: Key) throws where T: Encodable { + var container = nestedSingleValueEncoder(for: key) + try container.encode(value) + } + + func nestedSingleValueEncoder(for key: Key) -> SingleValueEncodingContainer { + let container = _URLEncodedFormEncoder.SingleValueContainer(context: context, + codingPath: nestedCodingPath(for: key), + boolEncoding: boolEncoding, + dataEncoding: dataEncoding, + dateEncoding: dateEncoding) + + return container + } + + func nestedUnkeyedContainer(forKey key: Key) -> UnkeyedEncodingContainer { + let container = _URLEncodedFormEncoder.UnkeyedContainer(context: context, + codingPath: nestedCodingPath(for: key), + boolEncoding: boolEncoding, + dataEncoding: dataEncoding, + dateEncoding: dateEncoding) + + return container + } + + func nestedContainer(keyedBy keyType: NestedKey.Type, forKey key: Key) -> KeyedEncodingContainer where NestedKey: CodingKey { + let container = _URLEncodedFormEncoder.KeyedContainer(context: context, + codingPath: nestedCodingPath(for: key), + boolEncoding: boolEncoding, + dataEncoding: dataEncoding, + dateEncoding: dateEncoding) + + return KeyedEncodingContainer(container) + } + + func superEncoder() -> Encoder { + _URLEncodedFormEncoder(context: context, + codingPath: codingPath, + boolEncoding: boolEncoding, + dataEncoding: dataEncoding, + dateEncoding: dateEncoding) + } + + func superEncoder(forKey key: Key) -> Encoder { + _URLEncodedFormEncoder(context: context, + codingPath: nestedCodingPath(for: key), + boolEncoding: boolEncoding, + dataEncoding: dataEncoding, + dateEncoding: dateEncoding) + } +} + +extension _URLEncodedFormEncoder { + final class SingleValueContainer { + var codingPath: [CodingKey] + + private var canEncodeNewValue = true + + private let context: URLEncodedFormContext + private let boolEncoding: URLEncodedFormEncoder.BoolEncoding + private let dataEncoding: URLEncodedFormEncoder.DataEncoding + private let dateEncoding: URLEncodedFormEncoder.DateEncoding + + init(context: URLEncodedFormContext, + codingPath: [CodingKey], + boolEncoding: URLEncodedFormEncoder.BoolEncoding, + dataEncoding: URLEncodedFormEncoder.DataEncoding, + dateEncoding: URLEncodedFormEncoder.DateEncoding) { + self.context = context + self.codingPath = codingPath + self.boolEncoding = boolEncoding + self.dataEncoding = dataEncoding + self.dateEncoding = dateEncoding + } + + private func checkCanEncode(value: Any?) throws { + guard canEncodeNewValue else { + let context = EncodingError.Context(codingPath: codingPath, + debugDescription: "Attempt to encode value through single value container when previously value already encoded.") + throw EncodingError.invalidValue(value as Any, context) + } + } + } +} + +extension _URLEncodedFormEncoder.SingleValueContainer: SingleValueEncodingContainer { + func encodeNil() throws { + try checkCanEncode(value: nil) + defer { canEncodeNewValue = false } + + let context = EncodingError.Context(codingPath: codingPath, + debugDescription: "URLEncodedFormEncoder cannot encode nil values.") + throw EncodingError.invalidValue("nil", context) + } + + func encode(_ value: Bool) throws { + try encode(value, as: String(boolEncoding.encode(value))) + } + + func encode(_ value: String) throws { + try encode(value, as: value) + } + + func encode(_ value: Double) throws { + try encode(value, as: String(value)) + } + + func encode(_ value: Float) throws { + try encode(value, as: String(value)) + } + + func encode(_ value: Int) throws { + try encode(value, as: String(value)) + } + + func encode(_ value: Int8) throws { + try encode(value, as: String(value)) + } + + func encode(_ value: Int16) throws { + try encode(value, as: String(value)) + } + + func encode(_ value: Int32) throws { + try encode(value, as: String(value)) + } + + func encode(_ value: Int64) throws { + try encode(value, as: String(value)) + } + + func encode(_ value: UInt) throws { + try encode(value, as: String(value)) + } + + func encode(_ value: UInt8) throws { + try encode(value, as: String(value)) + } + + func encode(_ value: UInt16) throws { + try encode(value, as: String(value)) + } + + func encode(_ value: UInt32) throws { + try encode(value, as: String(value)) + } + + func encode(_ value: UInt64) throws { + try encode(value, as: String(value)) + } + + private func encode(_ value: T, as string: String) throws where T: Encodable { + try checkCanEncode(value: value) + defer { canEncodeNewValue = false } + + context.component.set(to: .string(string), at: codingPath) + } + + func encode(_ value: T) throws where T: Encodable { + switch value { + case let date as Date: + guard let string = try dateEncoding.encode(date) else { + try attemptToEncode(value) + return + } + + try encode(value, as: string) + case let data as Data: + guard let string = try dataEncoding.encode(data) else { + try attemptToEncode(value) + return + } + + try encode(value, as: string) + case let decimal as Decimal: + // Decimal's `Encodable` implementation returns an object, not a single value, so override it. + try encode(value, as: String(describing: decimal)) + default: + try attemptToEncode(value) + } + } + + private func attemptToEncode(_ value: T) throws where T: Encodable { + try checkCanEncode(value: value) + defer { canEncodeNewValue = false } + + let encoder = _URLEncodedFormEncoder(context: context, + codingPath: codingPath, + boolEncoding: boolEncoding, + dataEncoding: dataEncoding, + dateEncoding: dateEncoding) + try value.encode(to: encoder) + } +} + +extension _URLEncodedFormEncoder { + final class UnkeyedContainer { + var codingPath: [CodingKey] + + var count = 0 + var nestedCodingPath: [CodingKey] { + codingPath + [AnyCodingKey(intValue: count)!] + } + + private let context: URLEncodedFormContext + private let boolEncoding: URLEncodedFormEncoder.BoolEncoding + private let dataEncoding: URLEncodedFormEncoder.DataEncoding + private let dateEncoding: URLEncodedFormEncoder.DateEncoding + + init(context: URLEncodedFormContext, + codingPath: [CodingKey], + boolEncoding: URLEncodedFormEncoder.BoolEncoding, + dataEncoding: URLEncodedFormEncoder.DataEncoding, + dateEncoding: URLEncodedFormEncoder.DateEncoding) { + self.context = context + self.codingPath = codingPath + self.boolEncoding = boolEncoding + self.dataEncoding = dataEncoding + self.dateEncoding = dateEncoding + } + } +} + +extension _URLEncodedFormEncoder.UnkeyedContainer: UnkeyedEncodingContainer { + func encodeNil() throws { + let context = EncodingError.Context(codingPath: codingPath, + debugDescription: "URLEncodedFormEncoder cannot encode nil values.") + throw EncodingError.invalidValue("nil", context) + } + + func encode(_ value: T) throws where T: Encodable { + var container = nestedSingleValueContainer() + try container.encode(value) + } + + func nestedSingleValueContainer() -> SingleValueEncodingContainer { + defer { count += 1 } + + return _URLEncodedFormEncoder.SingleValueContainer(context: context, + codingPath: nestedCodingPath, + boolEncoding: boolEncoding, + dataEncoding: dataEncoding, + dateEncoding: dateEncoding) + } + + func nestedContainer(keyedBy keyType: NestedKey.Type) -> KeyedEncodingContainer where NestedKey: CodingKey { + defer { count += 1 } + let container = _URLEncodedFormEncoder.KeyedContainer(context: context, + codingPath: nestedCodingPath, + boolEncoding: boolEncoding, + dataEncoding: dataEncoding, + dateEncoding: dateEncoding) + + return KeyedEncodingContainer(container) + } + + func nestedUnkeyedContainer() -> UnkeyedEncodingContainer { + defer { count += 1 } + + return _URLEncodedFormEncoder.UnkeyedContainer(context: context, + codingPath: nestedCodingPath, + boolEncoding: boolEncoding, + dataEncoding: dataEncoding, + dateEncoding: dateEncoding) + } + + func superEncoder() -> Encoder { + defer { count += 1 } + + return _URLEncodedFormEncoder(context: context, + codingPath: codingPath, + boolEncoding: boolEncoding, + dataEncoding: dataEncoding, + dateEncoding: dateEncoding) + } +} + +final class URLEncodedFormSerializer { + private let alphabetizeKeyValuePairs: Bool + private let arrayEncoding: URLEncodedFormEncoder.ArrayEncoding + private let keyEncoding: URLEncodedFormEncoder.KeyEncoding + private let spaceEncoding: URLEncodedFormEncoder.SpaceEncoding + private let allowedCharacters: CharacterSet + + init(alphabetizeKeyValuePairs: Bool, + arrayEncoding: URLEncodedFormEncoder.ArrayEncoding, + keyEncoding: URLEncodedFormEncoder.KeyEncoding, + spaceEncoding: URLEncodedFormEncoder.SpaceEncoding, + allowedCharacters: CharacterSet) { + self.alphabetizeKeyValuePairs = alphabetizeKeyValuePairs + self.arrayEncoding = arrayEncoding + self.keyEncoding = keyEncoding + self.spaceEncoding = spaceEncoding + self.allowedCharacters = allowedCharacters + } + + func serialize(_ object: URLEncodedFormComponent.Object) -> String { + var output: [String] = [] + for (key, component) in object { + let value = serialize(component, forKey: key) + output.append(value) + } + output = alphabetizeKeyValuePairs ? output.sorted() : output + + return output.joinedWithAmpersands() + } + + func serialize(_ component: URLEncodedFormComponent, forKey key: String) -> String { + switch component { + case let .string(string): return "\(escape(keyEncoding.encode(key)))=\(escape(string))" + case let .array(array): return serialize(array, forKey: key) + case let .object(object): return serialize(object, forKey: key) + } + } + + func serialize(_ object: URLEncodedFormComponent.Object, forKey key: String) -> String { + var segments: [String] = object.map { subKey, value in + let keyPath = "[\(subKey)]" + return serialize(value, forKey: key + keyPath) + } + segments = alphabetizeKeyValuePairs ? segments.sorted() : segments + + return segments.joinedWithAmpersands() + } + + func serialize(_ array: [URLEncodedFormComponent], forKey key: String) -> String { + var segments: [String] = array.map { component in + let keyPath = arrayEncoding.encode(key) + return serialize(component, forKey: keyPath) + } + segments = alphabetizeKeyValuePairs ? segments.sorted() : segments + + return segments.joinedWithAmpersands() + } + + func escape(_ query: String) -> String { + var allowedCharactersWithSpace = allowedCharacters + allowedCharactersWithSpace.insert(charactersIn: " ") + let escapedQuery = query.addingPercentEncoding(withAllowedCharacters: allowedCharactersWithSpace) ?? query + let spaceEncodedQuery = spaceEncoding.encode(escapedQuery) + + return spaceEncodedQuery + } +} + +extension Array where Element == String { + func joinedWithAmpersands() -> String { + joined(separator: "&") + } +} + +public extension CharacterSet { + /// Creates a CharacterSet from RFC 3986 allowed characters. + /// + /// RFC 3986 states that the following characters are "reserved" characters. + /// + /// - General Delimiters: ":", "#", "[", "]", "@", "?", "/" + /// - Sub-Delimiters: "!", "$", "&", "'", "(", ")", "*", "+", ",", ";", "=" + /// + /// In RFC 3986 - Section 3.4, it states that the "?" and "/" characters should not be escaped to allow + /// query strings to include a URL. Therefore, all "reserved" characters with the exception of "?" and "/" + /// should be percent-escaped in the query string. + static let afURLQueryAllowed: CharacterSet = { + let generalDelimitersToEncode = ":#[]@" // does not include "?" or "/" due to RFC 3986 - Section 3.4 + let subDelimitersToEncode = "!$&'()*+,;=" + let encodableDelimiters = CharacterSet(charactersIn: "\(generalDelimitersToEncode)\(subDelimitersToEncode)") + + return CharacterSet.urlQueryAllowed.subtracting(encodableDelimiters) + }() +} diff --git a/Pods/Alamofire/Source/URLRequest+Alamofire.swift b/Pods/Alamofire/Source/URLRequest+Alamofire.swift new file mode 100644 index 0000000..e5e6f61 --- /dev/null +++ b/Pods/Alamofire/Source/URLRequest+Alamofire.swift @@ -0,0 +1,39 @@ +// +// URLRequest+Alamofire.swift +// +// Copyright (c) 2019 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +public extension URLRequest { + /// Returns the `httpMethod` as Alamofire's `HTTPMethod` type. + var method: HTTPMethod? { + get { httpMethod.flatMap(HTTPMethod.init) } + set { httpMethod = newValue?.rawValue } + } + + func validate() throws { + if method == .get, let bodyData = httpBody { + throw AFError.urlRequestValidationFailed(reason: .bodyDataInGETRequest(bodyData)) + } + } +} diff --git a/Pods/Alamofire/Source/URLSessionConfiguration+Alamofire.swift b/Pods/Alamofire/Source/URLSessionConfiguration+Alamofire.swift new file mode 100644 index 0000000..de3e290 --- /dev/null +++ b/Pods/Alamofire/Source/URLSessionConfiguration+Alamofire.swift @@ -0,0 +1,37 @@ +// +// URLSessionConfiguration+Alamofire.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +extension URLSessionConfiguration: AlamofireExtended {} +extension AlamofireExtension where ExtendedType: URLSessionConfiguration { + /// Alamofire's default configuration. Same as `URLSessionConfiguration.default` but adds Alamofire default + /// `Accept-Language`, `Accept-Encoding`, and `User-Agent` headers. + public static var `default`: URLSessionConfiguration { + let configuration = URLSessionConfiguration.default + configuration.headers = .default + + return configuration + } +} diff --git a/Pods/Alamofire/Source/Validation.swift b/Pods/Alamofire/Source/Validation.swift new file mode 100644 index 0000000..1e307bf --- /dev/null +++ b/Pods/Alamofire/Source/Validation.swift @@ -0,0 +1,299 @@ +// +// Validation.swift +// +// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +extension Request { + // MARK: Helper Types + + fileprivate typealias ErrorReason = AFError.ResponseValidationFailureReason + + /// Used to represent whether a validation succeeded or failed. + public typealias ValidationResult = Result + + fileprivate struct MIMEType { + let type: String + let subtype: String + + var isWildcard: Bool { type == "*" && subtype == "*" } + + init?(_ string: String) { + let components: [String] = { + let stripped = string.trimmingCharacters(in: .whitespacesAndNewlines) + let split = stripped[..<(stripped.range(of: ";")?.lowerBound ?? stripped.endIndex)] + + return split.components(separatedBy: "/") + }() + + if let type = components.first, let subtype = components.last { + self.type = type + self.subtype = subtype + } else { + return nil + } + } + + func matches(_ mime: MIMEType) -> Bool { + switch (type, subtype) { + case (mime.type, mime.subtype), (mime.type, "*"), ("*", mime.subtype), ("*", "*"): + return true + default: + return false + } + } + } + + // MARK: Properties + + fileprivate var acceptableStatusCodes: Range { 200..<300 } + + fileprivate var acceptableContentTypes: [String] { + if let accept = request?.value(forHTTPHeaderField: "Accept") { + return accept.components(separatedBy: ",") + } + + return ["*/*"] + } + + // MARK: Status Code + + fileprivate func validate(statusCode acceptableStatusCodes: S, + response: HTTPURLResponse) + -> ValidationResult + where S.Iterator.Element == Int { + if acceptableStatusCodes.contains(response.statusCode) { + return .success(Void()) + } else { + let reason: ErrorReason = .unacceptableStatusCode(code: response.statusCode) + return .failure(AFError.responseValidationFailed(reason: reason)) + } + } + + // MARK: Content Type + + fileprivate func validate(contentType acceptableContentTypes: S, + response: HTTPURLResponse, + data: Data?) + -> ValidationResult + where S.Iterator.Element == String { + guard let data = data, !data.isEmpty else { return .success(Void()) } + + return validate(contentType: acceptableContentTypes, response: response) + } + + fileprivate func validate(contentType acceptableContentTypes: S, + response: HTTPURLResponse) + -> ValidationResult + where S.Iterator.Element == String { + guard + let responseContentType = response.mimeType, + let responseMIMEType = MIMEType(responseContentType) + else { + for contentType in acceptableContentTypes { + if let mimeType = MIMEType(contentType), mimeType.isWildcard { + return .success(Void()) + } + } + + let error: AFError = { + let reason: ErrorReason = .missingContentType(acceptableContentTypes: Array(acceptableContentTypes)) + return AFError.responseValidationFailed(reason: reason) + }() + + return .failure(error) + } + + for contentType in acceptableContentTypes { + if let acceptableMIMEType = MIMEType(contentType), acceptableMIMEType.matches(responseMIMEType) { + return .success(Void()) + } + } + + let error: AFError = { + let reason: ErrorReason = .unacceptableContentType(acceptableContentTypes: Array(acceptableContentTypes), + responseContentType: responseContentType) + + return AFError.responseValidationFailed(reason: reason) + }() + + return .failure(error) + } +} + +// MARK: - + +extension DataRequest { + /// A closure used to validate a request that takes a URL request, a URL response and data, and returns whether the + /// request was valid. + public typealias Validation = (URLRequest?, HTTPURLResponse, Data?) -> ValidationResult + + /// Validates that the response has a status code in the specified sequence. + /// + /// If validation fails, subsequent calls to response handlers will have an associated error. + /// + /// - Parameter statusCode: `Sequence` of acceptable response status codes. + /// + /// - Returns: The instance. + @discardableResult + public func validate(statusCode acceptableStatusCodes: S) -> Self where S.Iterator.Element == Int { + return validate { [unowned self] _, response, _ in + self.validate(statusCode: acceptableStatusCodes, response: response) + } + } + + /// Validates that the response has a content type in the specified sequence. + /// + /// If validation fails, subsequent calls to response handlers will have an associated error. + /// + /// - parameter contentType: The acceptable content types, which may specify wildcard types and/or subtypes. + /// + /// - returns: The request. + @discardableResult + public func validate(contentType acceptableContentTypes: @escaping @autoclosure () -> S) -> Self where S.Iterator.Element == String { + return validate { [unowned self] _, response, data in + self.validate(contentType: acceptableContentTypes(), response: response, data: data) + } + } + + /// Validates that the response has a status code in the default acceptable range of 200...299, and that the content + /// type matches any specified in the Accept HTTP header field. + /// + /// If validation fails, subsequent calls to response handlers will have an associated error. + /// + /// - returns: The request. + @discardableResult + public func validate() -> Self { + let contentTypes: () -> [String] = { [unowned self] in + self.acceptableContentTypes + } + return validate(statusCode: acceptableStatusCodes).validate(contentType: contentTypes()) + } +} + +extension DataStreamRequest { + /// A closure used to validate a request that takes a `URLRequest` and `HTTPURLResponse` and returns whether the + /// request was valid. + public typealias Validation = (_ request: URLRequest?, _ response: HTTPURLResponse) -> ValidationResult + + /// Validates that the response has a status code in the specified sequence. + /// + /// If validation fails, subsequent calls to response handlers will have an associated error. + /// + /// - Parameter statusCode: `Sequence` of acceptable response status codes. + /// + /// - Returns: The instance. + @discardableResult + public func validate(statusCode acceptableStatusCodes: S) -> Self where S.Iterator.Element == Int { + return validate { [unowned self] _, response in + self.validate(statusCode: acceptableStatusCodes, response: response) + } + } + + /// Validates that the response has a content type in the specified sequence. + /// + /// If validation fails, subsequent calls to response handlers will have an associated error. + /// + /// - parameter contentType: The acceptable content types, which may specify wildcard types and/or subtypes. + /// + /// - returns: The request. + @discardableResult + public func validate(contentType acceptableContentTypes: @escaping @autoclosure () -> S) -> Self where S.Iterator.Element == String { + return validate { [unowned self] _, response in + self.validate(contentType: acceptableContentTypes(), response: response) + } + } + + /// Validates that the response has a status code in the default acceptable range of 200...299, and that the content + /// type matches any specified in the Accept HTTP header field. + /// + /// If validation fails, subsequent calls to response handlers will have an associated error. + /// + /// - Returns: The instance. + @discardableResult + public func validate() -> Self { + validate(statusCode: acceptableStatusCodes).validate(contentType: self.acceptableContentTypes) + } +} + +// MARK: - + +extension DownloadRequest { + /// A closure used to validate a request that takes a URL request, a URL response, a temporary URL and a + /// destination URL, and returns whether the request was valid. + public typealias Validation = (_ request: URLRequest?, + _ response: HTTPURLResponse, + _ fileURL: URL?) + -> ValidationResult + + /// Validates that the response has a status code in the specified sequence. + /// + /// If validation fails, subsequent calls to response handlers will have an associated error. + /// + /// - Parameter statusCode: `Sequence` of acceptable response status codes. + /// + /// - Returns: The instance. + @discardableResult + public func validate(statusCode acceptableStatusCodes: S) -> Self where S.Iterator.Element == Int { + return validate { [unowned self] _, response, _ in + self.validate(statusCode: acceptableStatusCodes, response: response) + } + } + + /// Validates that the response has a content type in the specified sequence. + /// + /// If validation fails, subsequent calls to response handlers will have an associated error. + /// + /// - parameter contentType: The acceptable content types, which may specify wildcard types and/or subtypes. + /// + /// - returns: The request. + @discardableResult + public func validate(contentType acceptableContentTypes: @escaping @autoclosure () -> S) -> Self where S.Iterator.Element == String { + return validate { [unowned self] _, response, fileURL in + guard let validFileURL = fileURL else { + return .failure(AFError.responseValidationFailed(reason: .dataFileNil)) + } + + do { + let data = try Data(contentsOf: validFileURL) + return self.validate(contentType: acceptableContentTypes(), response: response, data: data) + } catch { + return .failure(AFError.responseValidationFailed(reason: .dataFileReadFailed(at: validFileURL))) + } + } + } + + /// Validates that the response has a status code in the default acceptable range of 200...299, and that the content + /// type matches any specified in the Accept HTTP header field. + /// + /// If validation fails, subsequent calls to response handlers will have an associated error. + /// + /// - returns: The request. + @discardableResult + public func validate() -> Self { + let contentTypes = { [unowned self] in + self.acceptableContentTypes + } + return validate(statusCode: acceptableStatusCodes).validate(contentType: contentTypes()) + } +} diff --git a/Pods/AlamofireImage/LICENSE b/Pods/AlamofireImage/LICENSE new file mode 100644 index 0000000..8ab04a2 --- /dev/null +++ b/Pods/AlamofireImage/LICENSE @@ -0,0 +1,19 @@ +Copyright (c) 2015 Alamofire Software Foundation (http://alamofire.org/) + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/Pods/AlamofireImage/README.md b/Pods/AlamofireImage/README.md new file mode 100644 index 0000000..d07526d --- /dev/null +++ b/Pods/AlamofireImage/README.md @@ -0,0 +1,575 @@ +# AlamofireImage + +[![Build Status](https://travis-ci.org/Alamofire/AlamofireImage.svg?branch=master)](https://travis-ci.org/Alamofire/AlamofireImage) +[![CocoaPods Compatible](https://img.shields.io/cocoapods/v/AlamofireImage.svg)](https://img.shields.io/cocoapods/v/AlamofireImage.svg) +[![Carthage Compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage) +[![Platform](https://img.shields.io/cocoapods/p/AlamofireImage.svg?style=flat)](http://cocoadocs.org/docsets/AlamofireImage) +[![Twitter](https://img.shields.io/badge/twitter-@AlamofireSF-blue.svg?style=flat)](http://twitter.com/AlamofireSF) +[![Gitter](https://badges.gitter.im/Alamofire/Alamofire.svg)](https://gitter.im/Alamofire/Alamofire?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge) + +AlamofireImage is an image component library for Alamofire. + +## Features + +- [x] Image Response Serializers +- [x] UIImage Extensions for Inflation / Scaling / Rounding / CoreImage +- [x] Single and Multi-Pass Image Filters +- [x] Auto-Purging In-Memory Image Cache +- [x] Prioritized Queue Order Image Downloading +- [x] Authentication with URLCredential +- [x] UIImageView Async Remote Downloads with Placeholders +- [x] UIImageView Filters and Transitions +- [x] Comprehensive Test Coverage +- [x] [Complete Documentation](https://alamofire.github.io/AlamofireImage/) + +## Requirements + +- iOS 10.0+ / macOS 10.12+ / tvOS 10.0+ / watchOS 3.0+ +- Xcode 11+ +- Swift 5.1+ + +## Migration Guides + +- [AlamofireImage 2.0 Migration Guide](https://github.com/Alamofire/AlamofireImage/blob/master/Documentation/AlamofireImage%202.0%20Migration%20Guide.md) +- [AlamofireImage 3.0 Migration Guide](https://github.com/Alamofire/AlamofireImage/blob/master/Documentation/AlamofireImage%203.0%20Migration%20Guide.md) +- [AlamofireImage 4.0 Migration Guide](https://github.com/Alamofire/AlamofireImage/blob/master/Documentation/AlamofireImage%204.0%20Migration%20Guide.md) + +## Dependencies + +- [Alamofire 5.1+](https://github.com/Alamofire/Alamofire) + +## Communication + +- If you need to **find or understand an API**, check [our documentation](https://alamofire.github.io/AlamofireImage/). +- If you need **help with an AlamofireImage feature**, use [our forum on swift.org](https://forums.swift.org/c/related-projects/alamofire). +- If you'd like to **discuss AlamofireImage best practices**, use [our forum on swift.org](https://forums.swift.org/c/related-projects/alamofire). +- If you'd like to **discuss a feature request**, use [our forum on swift.org](https://forums.swift.org/c/related-projects/alamofire). +- If you **found a bug**, open an issue and follow the guide. The more detail the better! +- If you **want to contribute**, submit a pull request. + +## Installation + +### CocoaPods + +[CocoaPods](https://cocoapods.org) is a dependency manager for Cocoa projects. For usage and installation instructions, visit their website. To integrate AlamofireImage into your Xcode project using CocoaPods, specify it in your `Podfile`: + +```ruby +pod 'AlamofireImage', '~> 4.1' +``` + +### Carthage + +[Carthage](https://github.com/Carthage/Carthage) is a decentralized dependency manager that builds your dependencies and provides you with binary frameworks. To integrate AlamofireImage into your Xcode project using Carthage, specify it in your `Cartfile`: + +```ogdl +github "Alamofire/AlamofireImage" ~> 4.1 +``` + +### Swift Package Manager + +The [Swift Package Manager](https://swift.org/package-manager/) is a tool for automating the distribution of Swift code and is integrated into the `swift` compiler. It is in early development, but AlamofireImage does support its use on supported platforms. + +Once you have your Swift package set up, adding AlamofireImage as a dependency is as easy as adding it to the `dependencies` value of your `Package.swift`. + +```swift +dependencies: [ + .package(url: "https://github.com/Alamofire/AlamofireImage.git", .upToNextMajor(from: "4.1.0")) +] +``` + +### Manually + +If you prefer not to use either of the aforementioned dependency managers, you can integrate AlamofireImage into your project manually. + +#### Embedded Framework + +- Open up Terminal, `cd` into your top-level project directory, and run the following command "if" your project is not initialized as a git repository: + +```bash +$ git init +``` + +- Add AlamofireImage as a git [submodule](http://git-scm.com/docs/git-submodule) by running the following command: + +```bash +$ git submodule add https://github.com/Alamofire/AlamofireImage.git +``` + +- Open the new `AlamofireImage` folder, and drag the `AlamofireImage.xcodeproj` into the Project Navigator of your application's Xcode project. + + > It should appear nested underneath your application's blue project icon. Whether it is above or below all the other Xcode groups does not matter. + +- Select the `AlamofireImage.xcodeproj` in the Project Navigator and verify the deployment target matches that of your application target. +- Next, select your application project in the Project Navigator (blue project icon) to navigate to the target configuration window and select the application target under the "Targets" heading in the sidebar. +- In the tab bar at the top of that window, open the "General" panel. +- Click on the `+` button under the "Embedded Binaries" section. +- You will see two different `AlamofireImage.xcodeproj` folders each with two different versions of the `AlamofireImage.framework` nested inside a `Products` folder. + + > It does not matter which `Products` folder you choose from, but it does matter whether you choose the top or bottom `AlamofireImage.framework`. + +- Select the top `AlamofireImage.framework` for iOS and the bottom one for OS X. + + > You can verify which one you selected by inspecting the build log for your project. The build target for `AlamofireImage` will be listed as either `AlamofireImage iOS`, `AlamofireImage macOS`, `AlamofireImage tvOS` or `AlamofireImage watchOS`. + +- And that's it! + + > The `AlamofireImage.framework` is automagically added as a target dependency, linked framework and embedded framework in a copy files build phase which is all you need to build on the simulator and a device. + +--- + +## Usage + +### Image Response Serializers + +```swift +import Alamofire +import AlamofireImage + +Alamofire.request("https://httpbin.org/image/png").responseImage { response in + debugPrint(response) + + print(response.request) + print(response.response) + debugPrint(response.result) + + if case .success(let image) = response.result { + print("image downloaded: \(image)") + } +} +``` + +The AlamofireImage response image serializers support a wide range of image types including: + + +- `image/png` +- `image/jpeg` +- `image/tiff` +- `image/gif` +- `image/ico` +- `image/x-icon` +- `image/bmp` +- `image/x-bmp` +- `image/x-xbitmap` +- `image/x-ms-bmp` +- `image/x-win-bitmap` +- `application/octet-stream` (added for iOS 13 support) + +> If the image you are attempting to download is an invalid MIME type not in the list, you can add custom acceptable content types using the `addAcceptableImageContentTypes` extension on the `DataRequest` type. + +### UIImage Extensions + +There are several `UIImage` extensions designed to make the common image manipulation operations as simple as possible. + +#### Inflation + +```swift +let url = Bundle.main.url(forResource: "unicorn", withExtension: "png")! +let data = try! Data(contentsOf: url) +let image = UIImage(data: data, scale: UIScreen.main.scale)! + +image.af.inflate() +``` + +> Inflating compressed image formats (such as PNG or JPEG) in a background queue can significantly improve drawing performance on the main thread. + +#### Scaling + +```swift +let image = UIImage(named: "unicorn")! +let size = CGSize(width: 100.0, height: 100.0) + +// Scale image to size disregarding aspect ratio +let scaledImage = image.af.imageScaled(to: size) + +// Scale image to fit within specified size while maintaining aspect ratio +let aspectScaledToFitImage = image.af.imageAspectScaled(toFit: size) + +// Scale image to fill specified size while maintaining aspect ratio +let aspectScaledToFillImage = image.af.imageAspectScaled(toFill: size) +``` + +#### Rounded Corners + +```swift +let image = UIImage(named: "unicorn")! +let radius: CGFloat = 20.0 + +let roundedImage = image.af.imageRounded(withCornerRadius: radius) +let circularImage = image.af.imageRoundedIntoCircle() +``` + +#### Core Image Filters + +```swift +let image = UIImage(named: "unicorn")! + +let sepiaImage = image.af.imageFiltered(withCoreImageFilter: "CISepiaTone") + +let blurredImage = image.af.imageFiltered( + withCoreImageFilter: "CIGaussianBlur", + parameters: ["inputRadius": 25] +) +``` + +### Image Filters + +The `ImageFilter` protocol was designed to make it easy to apply a filter operation and cache the result after an image finished downloading. It defines two properties to facilitate this functionality. + +```swift +public protocol ImageFilter { + var filter: Image -> Image { get } + var identifier: String { get } +} +``` + +The `filter` closure contains the operation used to create a modified version of the specified image. The `identifier` property is a string used to uniquely identify the filter operation. This is useful when adding filtered versions of an image to a cache. All identifier properties inside AlamofireImage are implemented using protocol extensions. + +#### Single Pass + +The single pass image filters only perform a single operation on the specified image. + +```swift +let image = UIImage(named: "unicorn")! +let imageFilter = RoundedCornersFilter(radius: 10.0) + +let roundedImage = imageFilter.filter(image) +``` + +The current list of single pass image filters includes: + +- `ScaledToSizeFilter` - Scales an image to a specified size. +- `AspectScaledToFitSizeFilter` - Scales an image from the center while maintaining the aspect ratio to fit within a specified size. +- `AspectScaledToFillSizeFilter` - Scales an image from the center while maintaining the aspect ratio to fill a specified size. Any pixels that fall outside the specified size are clipped. +- `RoundedCornersFilter` - Rounds the corners of an image to the specified radius. +- `CircleFilter` - Rounds the corners of an image into a circle. +- `BlurFilter` - Blurs an image using a `CIGaussianBlur` filter with the specified blur radius. + +> Each image filter is built ontop of the `UIImage` extensions. + +#### Multi-Pass + +The multi-pass image filters perform multiple operations on the specified image. + +```swift +let image = UIImage(named: "avatar")! +let size = CGSize(width: 100.0, height: 100.0) +let imageFilter = AspectScaledToFillSizeCircleFilter(size: size) + +let avatarImage = imageFilter.filter(image) +``` + +The current list of multi-pass image filters includes: + +- `ScaledToSizeWithRoundedCornersFilter` - Scales an image to a specified size, then rounds the corners to the specified radius. +- `AspectScaledToFillSizeWithRoundedCornersFilter` - Scales an image from the center while maintaining the aspect ratio to fit within a specified size, then rounds the corners to the specified radius. +- `ScaledToSizeCircleFilter` - Scales an image to a specified size, then rounds the corners into a circle. +- `AspectScaledToFillSizeCircleFilter` - Scales an image from the center while maintaining the aspect ratio to fit within a specified size, then rounds the corners into a circle. + +### Image Cache + +Image caching can become complicated when it comes to network images. `URLCache` is quite powerful and does a great job reasoning through the various cache policies and `Cache-Control` headers. However, it is not equipped to handle caching multiple modified versions of those images. + +For example, let's say you need to download an album of images. Your app needs to display both the thumbnail version as well as the full size version at various times. Due to performance issues, you want to scale down the thumbnails to a reasonable size before rendering them on-screen. You also need to apply a global CoreImage filter to the full size images when displayed. While `URLCache` can easily handle storing the original downloaded image, it cannot store these different variants. What you really need is another caching layer designed to handle these different variants. + +```swift +let imageCache = AutoPurgingImageCache( + memoryCapacity: 100_000_000, + preferredMemoryUsageAfterPurge: 60_000_000 +) +``` + +The `AutoPurgingImageCache` in AlamofireImage fills the role of that additional caching layer. It is an in-memory image cache used to store images up to a given memory capacity. When the memory capacity is reached, the image cache is sorted by last access date, then the oldest image is continuously purged until the preferred memory usage after purge is met. Each time an image is accessed through the cache, the internal access date of the image is updated. + +#### Add / Remove / Fetch Images + +Interacting with the `ImageCache` protocol APIs is very straightforward. + +```swift +let imageCache = AutoPurgingImageCache() +let avatarImage = UIImage(data: data)! + +// Add +imageCache.add(avatarImage, withIdentifier: "avatar") + +// Fetch +let cachedAvatar = imageCache.image(withIdentifier: "avatar") + +// Remove +imageCache.removeImage(withIdentifier: "avatar") +``` + +#### URL Requests + +The `ImageRequestCache` protocol extends the `ImageCache` protocol by adding support for `URLRequest` caching. This allows a `URLRequest` and an additional identifier to generate the unique identifier for the image in the cache. + +```swift +let imageCache = AutoPurgingImageCache() + +let urlRequest = URLRequest(url: URL(string: "https://httpbin.org/image/png")!) +let avatarImage = UIImage(named: "avatar")!.af.imageRoundedIntoCircle() + +// Add +imageCache.add(avatarImage, for: urlRequest, withIdentifier: "circle") + +// Fetch +let cachedAvatarImage = imageCache.image(for: urlRequest, withIdentifier: "circle") + +// Remove +imageCache.removeImage(for: urlRequest, withIdentifier: "circle") +``` + +#### Auto-Purging + +Each time an image is fetched from the cache, the cache internally updates the last access date for that image. + +```swift +let avatar = imageCache.image(withIdentifier: "avatar") +let circularAvatar = imageCache.image(for: urlRequest, withIdentifier: "circle") +``` + +By updating the last access date for each image, the image cache can make more informed decisions about which images to purge when the memory capacity is reached. The `AutoPurgingImageCache` automatically evicts images from the cache in order from oldest last access date to newest until the memory capacity drops below the `preferredMemoryCapacityAfterPurge`. + +> It is important to set reasonable default values for the `memoryCapacity` and `preferredMemoryCapacityAfterPurge` when you are initializing your image cache. By default, the `memoryCapacity` equals 100 MB and the `preferredMemoryCapacityAfterPurge` equals 60 MB. + +#### Memory Warnings + +The `AutoPurgingImageCache` also listens for memory warnings from your application and will purge all images from the cache if a memory warning is observed. + +### Image Downloader + +The `ImageDownloader` class is responsible for downloading images in parallel on a prioritized queue. It uses an internal Alamofire `SessionManager` instance to handle all the downloading and response image serialization. By default, the initialization of an `ImageDownloader` uses a default `URLSessionConfiguration` with the most common parameter values. + +```swift +let imageDownloader = ImageDownloader( + configuration: ImageDownloader.defaultURLSessionConfiguration(), + downloadPrioritization: .fifo, + maximumActiveDownloads: 4, + imageCache: AutoPurgingImageCache() +) +``` + +> If you need to customize the `URLSessionConfiguration` type or parameters, then simply provide your own rather than using the default. + +#### Downloading an Image + +```swift +let downloader = ImageDownloader() +let urlRequest = URLRequest(url: URL(string: "https://httpbin.org/image/jpeg")!) + +downloader.download(urlRequest) { response in + print(response.request) + print(response.response) + debugPrint(response.result) + + if case .success(let image) = response.result { + print(image) + } +} +``` + +> Make sure to keep a strong reference to the `ImageDownloader` instance, otherwise the `completion` closure will not be called because the `downloader` reference will go out of scope before the `completion` closure can be called. + +#### Applying an ImageFilter + +```swift +let downloader = ImageDownloader() +let urlRequest = URLRequest(url: URL(string: "https://httpbin.org/image/jpeg")!) +let filter = AspectScaledToFillSizeCircleFilter(size: CGSize(width: 100.0, height: 100.0)) + +downloader.download(urlRequest, filter: filter) { response in + print(response.request) + print(response.response) + debugPrint(response.result) + + if case .success(let image) = response.result { + print(image) + } +} +``` + +#### Authentication + +If your images are behind HTTP Basic Auth, you can append the `user:password:` or the `credential` to the `ImageDownloader` instance. The credentials will be applied to all future download requests. + +```swift +let downloader = ImageDownloader() +downloader.addAuthentication(user: "username", password: "password") +``` + +#### Download Prioritization + +The `ImageDownloader` maintains an internal queue of pending download requests. Depending on your situation, you may want incoming downloads to be inserted at the front or the back of the queue. The `DownloadPrioritization` enumeration allows you to specify which behavior you would prefer. + +```swift +public enum DownloadPrioritization { + case fifo, lifo +} +``` + +> The `ImageDownloader` is initialized with a `.fifo` queue by default. + +#### Image Caching + +The `ImageDownloader` uses a combination of an `URLCache` and `AutoPurgingImageCache` to create a very robust, high performance image caching system. + +##### URLCache + +The `URLCache` is used to cache all the original image content downloaded from the server. By default, it is initialized with a memory capacity of 20 MB and a disk capacity of 150 MB. This allows up to 150 MB of original image data to be stored on disk at any given time. While these defaults have been carefully set, it is very important to consider your application's needs and performance requirements and whether these values are right for you. + +> If you wish to disable this caching layer, create a custom `URLSessionConfiguration` with the `urlCache` property set to `nil` and use that configuration when initializing the `ImageDownloader`. + +##### Image Cache + +The `ImageCache` is used to cache all the potentially filtered image content after it has been downloaded from the server. This allows multiple variants of the same image to also be cached, rather than having to re-apply the image filters to the original image each time it is required. By default, an `AutoPurgingImageCache` is initialized with a memory capacity of 100 MB and a preferred memory usage after purge limit of 60 MB. This allows up to 100 MB of most recently accessed filtered image content to be stored in-memory at a given time. + +##### Setting Ideal Capacity Limits + +Determining the ideal the in-memory and on-disk capacity limits of the `URLCache` and `AutoPurgingImageCache` requires a bit of forethought. You must carefully consider your application's needs, and tailor the limits accordingly. By default, the combination of caches offers the following storage capacities: + +- 150 MB of on-disk storage (original image only) +- 20 MB of in-memory original image data storage (original image only) +- 100 MB of in-memory storage of filtered image content (filtered image if using filters, otherwise original image) +- 60 MB preferred memory capacity after purge of filtered image content + +> If you do not use image filters, it is advised to set the memory capacity of the `URLCache` to zero. Otherwise, you will be storing the original image data in both the URLCache's in-memory store as well as the AlamofireImage in-memory store. + +#### Duplicate Downloads + +Sometimes application logic can end up attempting to download an image more than once before the initial download request is complete. Most often, this results in the image being downloaded more than once. AlamofireImage handles this case elegantly by merging the duplicate downloads. The image will only be downloaded once, yet both completion handlers will be called. + +##### Image Filter Reuse + +In addition to merging duplicate downloads, AlamofireImage can also merge duplicate image filters. If two image filters with the same identifier are attached to the same download, the image filter is only executed once and both completion handlers are called with the same resulting image. This can save large amounts of time and resources for computationally expensive filters such as ones leveraging CoreImage. + +##### Request Receipts + +Sometimes it is necessary to cancel an image download for various reasons. AlamofireImage can intelligently handle cancellation logic in the `ImageDownloader` by leveraging the `RequestReceipt` type along with the `cancelRequestForRequestReceipt` method. Each download request vends a `RequestReceipt` which can be later used to cancel the request. + +By cancelling the request through the `ImageDownloader` using the `RequestReceipt`, AlamofireImage is able to determine how to best handle the cancellation. The cancelled download will always receive a cancellation error, while duplicate downloads are allowed to complete. If the download is already active, it is allowed to complete even though the completion handler will be called with a cancellation error. This greatly improves performance of table and collection views displaying large amounts of images. + +> It is NOT recommended to directly call `cancel` on the `request` in the `RequestReceipt`. Doing so can lead to issues such as duplicate downloads never being allowed to complete. + +### UIImageView Extension + +The [UIImage Extensions](#uiimage-extensions), [Image Filters](#image-filters), [Image Cache](#image-cache) and [Image Downloader](#image-downloader) were all designed to be flexible and standalone, yet also to provide the foundation of the `UIImageView` extension. Due to the powerful support of these classes, protocols and extensions, the `UIImageView` APIs are concise, easy to use and contain a large amount of functionality. + +#### Setting Image with URL + +Setting the image with a URL will asynchronously download the image and set it once the request is finished. + +```swift +let imageView = UIImageView(frame: frame) +let url = URL(string: "https://httpbin.org/image/png")! + +imageView.af.setImage(withURL: url) +``` + +> If the image is cached locally, the image is set immediately. + +#### Placeholder Images + +By specifying a placeholder image, the image view uses the placeholder image until the remote image is downloaded. + +```swift +let imageView = UIImageView(frame: frame) +let url = URL(string: "https://httpbin.org/image/png")! +let placeholderImage = UIImage(named: "placeholder")! + +imageView.af.setImage(withURL: url, placeholderImage: placeholderImage) +``` + +> If the remote image is cached locally, the placeholder image is never set. + +#### Image Filters + +If an image filter is specified, it is applied asynchronously after the remote image is downloaded. Once the filter execution is complete, the resulting image is set on the image view. + +```swift +let imageView = UIImageView(frame: frame) + +let url = URL(string: "https://httpbin.org/image/png")! +let placeholderImage = UIImage(named: "placeholder")! + +let filter = AspectScaledToFillSizeWithRoundedCornersFilter( + size: imageView.frame.size, + radius: 20.0 +) + +imageView.af.setImage( + withURL: url, + placeholderImage: placeholderImage, + filter: filter +) +``` + +> If the remote image with the applied filter is cached locally, the image is set immediately. + +#### Image Transitions + +By default, there is no image transition animation when setting the image on the image view. If you wish to add a cross dissolve or flip-from-bottom animation, then specify an `ImageTransition` with the preferred duration. + +```swift +let imageView = UIImageView(frame: frame) + +let url = URL(string: "https://httpbin.org/image/png")! +let placeholderImage = UIImage(named: "placeholder")! + +let filter = AspectScaledToFillSizeWithRoundedCornersFilter( + size: imageView.frame.size, + radius: 20.0 +) + +imageView.af.setImage( + withURL: url, + placeholderImage: placeholderImage, + filter: filter, + imageTransition: .crossDissolve(0.2) +) +``` + +> If the remote image is cached locally, the image transition is ignored. + +#### Image Downloader + +The `UIImageView` extension is powered by the default `ImageDownloader` instance. To customize cache capacities, download priorities, request cache policies, timeout durations, etc., please refer to the [Image Downloader](#image-downloader) documentation. + +##### Authentication + +If an image requires and authentication credential from the `UIImageView` extension, it can be provided as follows: + +```swift +ImageDownloader.default.addAuthentication(user: "user", password: "password") +``` + +--- + +## Credits + +Alamofire is owned and maintained by the [Alamofire Software Foundation](http://alamofire.org). You can follow them on Twitter at [@AlamofireSF](https://twitter.com/AlamofireSF) for project updates and releases. + +### Security Disclosure + +If you believe you have identified a security vulnerability with AlamofireImage, you should report it as soon as possible via email to security@alamofire.org. Please do not post it to a public issue tracker. + +## Donations + +The [ASF](https://github.com/Alamofire/Foundation#members) is looking to raise money to officially stay registered as a federal non-profit organization. +Registering will allow us members to gain some legal protections and also allow us to put donations to use, tax free. +Donating to the ASF will enable us to: + +- Pay our yearly legal fees to keep the non-profit in good status +- Pay for our mail servers to help us stay on top of all questions and security issues +- Potentially fund test servers to make it easier for us to test the edge cases +- Potentially fund developers to work on one of our projects full-time + +The community adoption of the ASF libraries has been amazing. +We are greatly humbled by your enthusiasm around the projects, and want to continue to do everything we can to move the needle forward. +With your continued support, the ASF will be able to improve its reach and also provide better legal safety for the core members. +If you use any of our libraries for work, see if your employers would be interested in donating. +Any amount you can donate today to help us reach our goal would be greatly appreciated. + +[![paypal](https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=W34WPEE74APJQ) + +## License + +AlamofireImage is released under the MIT license. [See LICENSE](https://github.com/Alamofire/AlamofireImage/blob/master/LICENSE) for details. diff --git a/Pods/AlamofireImage/Source/AFIError.swift b/Pods/AlamofireImage/Source/AFIError.swift new file mode 100644 index 0000000..a9fc607 --- /dev/null +++ b/Pods/AlamofireImage/Source/AFIError.swift @@ -0,0 +1,72 @@ +// +// AFIError.swift +// +// Copyright (c) 2015 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Alamofire +import Foundation + +/// `AFIError` is the error type returned by AlamofireImage. +/// +/// - requestCancelled: The request was explicitly cancelled. +/// - imageSerializationFailed: Response data could not be serialized into an image. +public enum AFIError: Error { + case requestCancelled + case imageSerializationFailed + case alamofireError(AFError) +} + +// MARK: - Error Booleans + +extension AFIError { + /// Returns `true` if the `AFIError` is a request cancellation error, `false` otherwise. + public var isRequestCancelledError: Bool { + if case .requestCancelled = self { return true } + return false + } + + /// Returns `true` if the `AFIError` is an image serialization error, `false` otherwise. + public var isImageSerializationFailedError: Bool { + if case .imageSerializationFailed = self { return true } + return false + } + + public var isAlamofireError: Bool { + if case .alamofireError = self { return true } + return false + } +} + +// MARK: - Error Descriptions + +extension AFIError: LocalizedError { + public var errorDescription: String? { + switch self { + case .requestCancelled: + return "The request was explicitly cancelled." + case .imageSerializationFailed: + return "Response data could not be serialized into an image." + case let .alamofireError(error): + return "Request failed due to an underlying Alamofire error: \(error.localizedDescription)" + } + } +} diff --git a/Pods/AlamofireImage/Source/Image.swift b/Pods/AlamofireImage/Source/Image.swift new file mode 100644 index 0000000..75cedb8 --- /dev/null +++ b/Pods/AlamofireImage/Source/Image.swift @@ -0,0 +1,33 @@ +// +// Image.swift +// +// Copyright (c) 2015 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +#if os(iOS) || os(tvOS) || os(watchOS) +import UIKit +public typealias Image = UIImage +#elseif os(macOS) +import Cocoa +public typealias Image = NSImage +#endif diff --git a/Pods/AlamofireImage/Source/ImageCache.swift b/Pods/AlamofireImage/Source/ImageCache.swift new file mode 100644 index 0000000..4db88a7 --- /dev/null +++ b/Pods/AlamofireImage/Source/ImageCache.swift @@ -0,0 +1,343 @@ +// +// ImageCache.swift +// +// Copyright (c) 2015 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Alamofire +import Foundation + +#if os(iOS) || os(tvOS) || os(watchOS) +import UIKit +#elseif os(macOS) +import Cocoa +#endif + +// MARK: ImageCache + +/// The `ImageCache` protocol defines a set of APIs for adding, removing and fetching images from a cache. +public protocol ImageCache { + /// Adds the image to the cache with the given identifier. + func add(_ image: Image, withIdentifier identifier: String) + + /// Removes the image from the cache matching the given identifier. + func removeImage(withIdentifier identifier: String) -> Bool + + /// Removes all images stored in the cache. + @discardableResult + func removeAllImages() -> Bool + + /// Returns the image in the cache associated with the given identifier. + func image(withIdentifier identifier: String) -> Image? +} + +/// The `ImageRequestCache` protocol extends the `ImageCache` protocol by adding methods for adding, removing and +/// fetching images from a cache given an `URLRequest` and additional identifier. +public protocol ImageRequestCache: ImageCache { + /// Adds the image to the cache using an identifier created from the request and identifier. + func add(_ image: Image, for request: URLRequest, withIdentifier identifier: String?) + + /// Removes the image from the cache using an identifier created from the request and identifier. + func removeImage(for request: URLRequest, withIdentifier identifier: String?) -> Bool + + /// Returns the image from the cache associated with an identifier created from the request and identifier. + func image(for request: URLRequest, withIdentifier identifier: String?) -> Image? +} + +// MARK: - + +/// The `AutoPurgingImageCache` in an in-memory image cache used to store images up to a given memory capacity. When +/// the memory capacity is reached, the image cache is sorted by last access date, then the oldest image is continuously +/// purged until the preferred memory usage after purge is met. Each time an image is accessed through the cache, the +/// internal access date of the image is updated. +open class AutoPurgingImageCache: ImageRequestCache { + class CachedImage { + let image: Image + let identifier: String + let totalBytes: UInt64 + var lastAccessDate: Date + + init(_ image: Image, identifier: String) { + self.image = image + self.identifier = identifier + lastAccessDate = Date() + + totalBytes = { + #if os(iOS) || os(tvOS) || os(watchOS) + let size = CGSize(width: image.size.width * image.scale, height: image.size.height * image.scale) + #elseif os(macOS) + let size = CGSize(width: image.size.width, height: image.size.height) + #endif + + let bytesPerPixel: CGFloat = 4.0 + let bytesPerRow = size.width * bytesPerPixel + let totalBytes = UInt64(bytesPerRow) * UInt64(size.height) + + return totalBytes + }() + } + + func accessImage() -> Image { + lastAccessDate = Date() + return image + } + } + + // MARK: Properties + + /// The current total memory usage in bytes of all images stored within the cache. + open var memoryUsage: UInt64 { + var memoryUsage: UInt64 = 0 + synchronizationQueue.sync(flags: [.barrier]) { memoryUsage = self.currentMemoryUsage } + + return memoryUsage + } + + /// The total memory capacity of the cache in bytes. + public let memoryCapacity: UInt64 + + /// The preferred memory usage after purge in bytes. During a purge, images will be purged until the memory + /// capacity drops below this limit. + public let preferredMemoryUsageAfterPurge: UInt64 + + private let synchronizationQueue: DispatchQueue + private var cachedImages: [String: CachedImage] + private var currentMemoryUsage: UInt64 + + // MARK: Initialization + + /// Initializes the `AutoPurgingImageCache` instance with the given memory capacity and preferred memory usage + /// after purge limit. + /// + /// Please note, the memory capacity must always be greater than or equal to the preferred memory usage after purge. + /// + /// - parameter memoryCapacity: The total memory capacity of the cache in bytes. `100 MB` by default. + /// - parameter preferredMemoryUsageAfterPurge: The preferred memory usage after purge in bytes. `60 MB` by default. + /// + /// - returns: The new `AutoPurgingImageCache` instance. + public init(memoryCapacity: UInt64 = 100_000_000, preferredMemoryUsageAfterPurge: UInt64 = 60_000_000) { + self.memoryCapacity = memoryCapacity + self.preferredMemoryUsageAfterPurge = preferredMemoryUsageAfterPurge + + precondition(memoryCapacity >= preferredMemoryUsageAfterPurge, + "The `memoryCapacity` must be greater than or equal to `preferredMemoryUsageAfterPurge`") + + cachedImages = [:] + currentMemoryUsage = 0 + + synchronizationQueue = { + let name = String(format: "org.alamofire.autopurgingimagecache-%08x%08x", arc4random(), arc4random()) + return DispatchQueue(label: name, attributes: .concurrent) + }() + + #if os(iOS) || os(tvOS) + let notification = UIApplication.didReceiveMemoryWarningNotification + + NotificationCenter.default.addObserver(self, + selector: #selector(AutoPurgingImageCache.removeAllImages), + name: notification, + object: nil) + #endif + } + + deinit { + NotificationCenter.default.removeObserver(self) + } + + // MARK: Add Image to Cache + + /// Adds the image to the cache using an identifier created from the request and optional identifier. + /// + /// - parameter image: The image to add to the cache. + /// - parameter request: The request used to generate the image's unique identifier. + /// - parameter identifier: The additional identifier to append to the image's unique identifier. + open func add(_ image: Image, for request: URLRequest, withIdentifier identifier: String? = nil) { + let requestIdentifier = imageCacheKey(for: request, withIdentifier: identifier) + add(image, withIdentifier: requestIdentifier) + } + + /// Adds the image to the cache with the given identifier. + /// + /// - parameter image: The image to add to the cache. + /// - parameter identifier: The identifier to use to uniquely identify the image. + open func add(_ image: Image, withIdentifier identifier: String) { + synchronizationQueue.async(flags: [.barrier]) { + let cachedImage = CachedImage(image, identifier: identifier) + + if let previousCachedImage = self.cachedImages[identifier] { + self.currentMemoryUsage -= previousCachedImage.totalBytes + } + + self.cachedImages[identifier] = cachedImage + self.currentMemoryUsage += cachedImage.totalBytes + } + + synchronizationQueue.async(flags: [.barrier]) { + if self.currentMemoryUsage > self.memoryCapacity { + let bytesToPurge = self.currentMemoryUsage - self.preferredMemoryUsageAfterPurge + + var sortedImages = self.cachedImages.map { $1 } + + sortedImages.sort { + let date1 = $0.lastAccessDate + let date2 = $1.lastAccessDate + + return date1.timeIntervalSince(date2) < 0.0 + } + + var bytesPurged = UInt64(0) + + for cachedImage in sortedImages { + self.cachedImages.removeValue(forKey: cachedImage.identifier) + bytesPurged += cachedImage.totalBytes + + if bytesPurged >= bytesToPurge { + break + } + } + + self.currentMemoryUsage -= bytesPurged + } + } + } + + // MARK: Remove Image from Cache + + /// Removes the image from the cache using an identifier created from the request and optional identifier. + /// + /// - parameter request: The request used to generate the image's unique identifier. + /// - parameter identifier: The additional identifier to append to the image's unique identifier. + /// + /// - returns: `true` if the image was removed, `false` otherwise. + @discardableResult + open func removeImage(for request: URLRequest, withIdentifier identifier: String?) -> Bool { + let requestIdentifier = imageCacheKey(for: request, withIdentifier: identifier) + return removeImage(withIdentifier: requestIdentifier) + } + + /// Removes all images from the cache created from the request. + /// + /// - parameter request: The request used to generate the image's unique identifier. + /// + /// - returns: `true` if any images were removed, `false` otherwise. + @discardableResult + open func removeImages(matching request: URLRequest) -> Bool { + let requestIdentifier = imageCacheKey(for: request, withIdentifier: nil) + var removed = false + + synchronizationQueue.sync(flags: [.barrier]) { + for key in self.cachedImages.keys where key.hasPrefix(requestIdentifier) { + if let cachedImage = self.cachedImages.removeValue(forKey: key) { + self.currentMemoryUsage -= cachedImage.totalBytes + removed = true + } + } + } + + return removed + } + + /// Removes the image from the cache matching the given identifier. + /// + /// - parameter identifier: The unique identifier for the image. + /// + /// - returns: `true` if the image was removed, `false` otherwise. + @discardableResult + open func removeImage(withIdentifier identifier: String) -> Bool { + var removed = false + + synchronizationQueue.sync(flags: [.barrier]) { + if let cachedImage = self.cachedImages.removeValue(forKey: identifier) { + self.currentMemoryUsage -= cachedImage.totalBytes + removed = true + } + } + + return removed + } + + /// Removes all images stored in the cache. + /// + /// - returns: `true` if images were removed from the cache, `false` otherwise. + @discardableResult @objc + open func removeAllImages() -> Bool { + var removed = false + + synchronizationQueue.sync(flags: [.barrier]) { + if !self.cachedImages.isEmpty { + self.cachedImages.removeAll() + self.currentMemoryUsage = 0 + + removed = true + } + } + + return removed + } + + // MARK: Fetch Image from Cache + + /// Returns the image from the cache associated with an identifier created from the request and optional identifier. + /// + /// - parameter request: The request used to generate the image's unique identifier. + /// - parameter identifier: The additional identifier to append to the image's unique identifier. + /// + /// - returns: The image if it is stored in the cache, `nil` otherwise. + open func image(for request: URLRequest, withIdentifier identifier: String? = nil) -> Image? { + let requestIdentifier = imageCacheKey(for: request, withIdentifier: identifier) + return image(withIdentifier: requestIdentifier) + } + + /// Returns the image in the cache associated with the given identifier. + /// + /// - parameter identifier: The unique identifier for the image. + /// + /// - returns: The image if it is stored in the cache, `nil` otherwise. + open func image(withIdentifier identifier: String) -> Image? { + var image: Image? + + synchronizationQueue.sync(flags: [.barrier]) { + if let cachedImage = self.cachedImages[identifier] { + image = cachedImage.accessImage() + } + } + + return image + } + + // MARK: Image Cache Keys + + /// Returns the unique image cache key for the specified request and additional identifier. + /// + /// - parameter request: The request. + /// - parameter identifier: The additional identifier. + /// + /// - returns: The unique image cache key. + open func imageCacheKey(for request: URLRequest, withIdentifier identifier: String?) -> String { + var key = request.url?.absoluteString ?? "" + + if let identifier = identifier { + key += "-\(identifier)" + } + + return key + } +} diff --git a/Pods/AlamofireImage/Source/ImageDownloader.swift b/Pods/AlamofireImage/Source/ImageDownloader.swift new file mode 100644 index 0000000..e874589 --- /dev/null +++ b/Pods/AlamofireImage/Source/ImageDownloader.swift @@ -0,0 +1,578 @@ +// +// ImageDownloader.swift +// +// Copyright (c) 2015 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Alamofire +import Foundation + +#if os(iOS) || os(tvOS) || os(watchOS) +import UIKit +#elseif os(macOS) +import Cocoa +#endif + +/// Alias for `DataResponse`. +public typealias AFIDataResponse = DataResponse + +/// Alias for `Result`. +public typealias AFIResult = Result + +/// The `RequestReceipt` is an object vended by the `ImageDownloader` when starting a download request. It can be used +/// to cancel active requests running on the `ImageDownloader` session. As a general rule, image download requests +/// should be cancelled using the `RequestReceipt` instead of calling `cancel` directly on the `request` itself. The +/// `ImageDownloader` is optimized to handle duplicate request scenarios as well as pending versus active downloads. +open class RequestReceipt { + /// The download request created by the `ImageDownloader`. + public let request: DataRequest + + /// The unique identifier for the image filters and completion handlers when duplicate requests are made. + public let receiptID: String + + init(request: DataRequest, receiptID: String) { + self.request = request + self.receiptID = receiptID + } +} + +// MARK: - + +/// The `ImageDownloader` class is responsible for downloading images in parallel on a prioritized queue. Incoming +/// downloads are added to the front or back of the queue depending on the download prioritization. Each downloaded +/// image is cached in the underlying `NSURLCache` as well as the in-memory image cache that supports image filters. +/// By default, any download request with a cached image equivalent in the image cache will automatically be served the +/// cached image representation. Additional advanced features include supporting multiple image filters and completion +/// handlers for a single request. +open class ImageDownloader { + /// The completion handler closure used when an image download completes. + public typealias CompletionHandler = (AFIDataResponse) -> Void + + /// The progress handler closure called periodically during an image download. + public typealias ProgressHandler = DataRequest.ProgressHandler + + // MARK: Helper Types + + /// Defines the order prioritization of incoming download requests being inserted into the queue. + /// + /// - fifo: All incoming downloads are added to the back of the queue. + /// - lifo: All incoming downloads are added to the front of the queue. + public enum DownloadPrioritization { + case fifo, lifo + } + + class ResponseHandler { + let urlID: String + let handlerID: String + let request: DataRequest + var operations: [(receiptID: String, filter: ImageFilter?, completion: CompletionHandler?)] + + init(request: DataRequest, + handlerID: String, + receiptID: String, + filter: ImageFilter?, + completion: CompletionHandler?) { + self.request = request + urlID = ImageDownloader.urlIdentifier(for: request.convertible) + self.handlerID = handlerID + operations = [(receiptID: receiptID, filter: filter, completion: completion)] + } + } + + // MARK: Properties + + /// The image cache used to store all downloaded images in. + public let imageCache: ImageRequestCache? + + /// The credential used for authenticating each download request. + open private(set) var credential: URLCredential? + + /// Response serializer used to convert the image data to UIImage. + public var imageResponseSerializer = ImageResponseSerializer() + + /// The underlying Alamofire `Session` instance used to handle all download requests. + public let session: Session + + let downloadPrioritization: DownloadPrioritization + let maximumActiveDownloads: Int + + var activeRequestCount = 0 + var queuedRequests: [Request] = [] + var responseHandlers: [String: ResponseHandler] = [:] + + private let synchronizationQueue: DispatchQueue = { + let name = String(format: "org.alamofire.imagedownloader.synchronizationqueue-%08x%08x", arc4random(), arc4random()) + return DispatchQueue(label: name) + }() + + private let responseQueue: DispatchQueue = { + let name = String(format: "org.alamofire.imagedownloader.responsequeue-%08x%08x", arc4random(), arc4random()) + return DispatchQueue(label: name, attributes: .concurrent) + }() + + // MARK: Initialization + + /// The default instance of `ImageDownloader` initialized with default values. + public static let `default` = ImageDownloader() + + /// Creates a default `URLSessionConfiguration` with common usage parameter values. + /// + /// - returns: The default `URLSessionConfiguration` instance. + open class func defaultURLSessionConfiguration() -> URLSessionConfiguration { + let configuration = URLSessionConfiguration.default + + configuration.headers = .default + configuration.httpShouldSetCookies = true + configuration.httpShouldUsePipelining = false + + configuration.requestCachePolicy = .useProtocolCachePolicy + configuration.allowsCellularAccess = true + configuration.timeoutIntervalForRequest = 60 + + configuration.urlCache = ImageDownloader.defaultURLCache() + + return configuration + } + + /// Creates a default `URLCache` with common usage parameter values. + /// + /// - returns: The default `URLCache` instance. + open class func defaultURLCache() -> URLCache { + let memoryCapacity = 20 * 1024 * 1024 + let diskCapacity = 150 * 1024 * 1024 + let cacheDirectory = FileManager.default.urls(for: .cachesDirectory, in: .userDomainMask).first + let imageDownloaderPath = "org.alamofire.imagedownloader" + + #if targetEnvironment(macCatalyst) + return URLCache(memoryCapacity: memoryCapacity, + diskCapacity: diskCapacity, + directory: cacheDirectory?.appendingPathComponent(imageDownloaderPath)) + #else + #if os(macOS) + return URLCache(memoryCapacity: memoryCapacity, + diskCapacity: diskCapacity, + diskPath: cacheDirectory?.appendingPathComponent(imageDownloaderPath).absoluteString) + #else + return URLCache(memoryCapacity: memoryCapacity, + diskCapacity: diskCapacity, + diskPath: imageDownloaderPath) + #endif + #endif + } + + /// Initializes the `ImageDownloader` instance with the given configuration, download prioritization, maximum active + /// download count and image cache. + /// + /// - parameter configuration: The `URLSessionConfiguration` to use to create the underlying Alamofire + /// `SessionManager` instance. + /// - parameter downloadPrioritization: The download prioritization of the download queue. `.fifo` by default. + /// - parameter maximumActiveDownloads: The maximum number of active downloads allowed at any given time. + /// - parameter imageCache: The image cache used to store all downloaded images in. + /// + /// - returns: The new `ImageDownloader` instance. + public init(configuration: URLSessionConfiguration = ImageDownloader.defaultURLSessionConfiguration(), + downloadPrioritization: DownloadPrioritization = .fifo, + maximumActiveDownloads: Int = 4, + imageCache: ImageRequestCache? = AutoPurgingImageCache()) { + session = Session(configuration: configuration, startRequestsImmediately: false) + self.downloadPrioritization = downloadPrioritization + self.maximumActiveDownloads = maximumActiveDownloads + self.imageCache = imageCache + } + + /// Initializes the `ImageDownloader` instance with the given session manager, download prioritization, maximum + /// active download count and image cache. + /// + /// - parameter session: The Alamofire `Session` instance to handle all download requests. + /// - parameter downloadPrioritization: The download prioritization of the download queue. `.fifo` by default. + /// - parameter maximumActiveDownloads: The maximum number of active downloads allowed at any given time. + /// - parameter imageCache: The image cache used to store all downloaded images in. + /// + /// - returns: The new `ImageDownloader` instance. + public init(session: Session, + downloadPrioritization: DownloadPrioritization = .fifo, + maximumActiveDownloads: Int = 4, + imageCache: ImageRequestCache? = AutoPurgingImageCache()) { + precondition(!session.startRequestsImmediately, "Session must set `startRequestsImmediately` to `false`.") + + self.session = session + self.downloadPrioritization = downloadPrioritization + self.maximumActiveDownloads = maximumActiveDownloads + self.imageCache = imageCache + } + + // MARK: Authentication + + /// Associates an HTTP Basic Auth credential with all future download requests. + /// + /// - parameter user: The user. + /// - parameter password: The password. + /// - parameter persistence: The URL credential persistence. `.forSession` by default. + open func addAuthentication(user: String, + password: String, + persistence: URLCredential.Persistence = .forSession) { + let credential = URLCredential(user: user, password: password, persistence: persistence) + addAuthentication(usingCredential: credential) + } + + /// Associates the specified credential with all future download requests. + /// + /// - parameter credential: The credential. + open func addAuthentication(usingCredential credential: URLCredential) { + synchronizationQueue.sync { + self.credential = credential + } + } + + // MARK: Download + + /// Creates a download request using the internal Alamofire `SessionManager` instance for the specified URL request. + /// + /// If the same download request is already in the queue or currently being downloaded, the filter and completion + /// handler are appended to the already existing request. Once the request completes, all filters and completion + /// handlers attached to the request are executed in the order they were added. Additionally, any filters attached + /// to the request with the same identifiers are only executed once. The resulting image is then passed into each + /// completion handler paired with the filter. + /// + /// You should not attempt to directly cancel the `request` inside the request receipt since other callers may be + /// relying on the completion of that request. Instead, you should call `cancelRequestForRequestReceipt` with the + /// returned request receipt to allow the `ImageDownloader` to optimize the cancellation on behalf of all active + /// callers. + /// + /// - parameter urlRequest: The URL request. + /// - parameter cacheKey: An optional key used to identify the image in the cache. Defaults to `nil`. + /// - parameter receiptID: The `identifier` for the `RequestReceipt` returned. Defaults to a new, randomly + /// generated UUID. + /// - parameter serializer: Image response serializer used to convert the image data to `UIImage`. Defaults + /// to `nil` which will fall back to the instance `imageResponseSerializer`. + /// - parameter filter: The image filter to apply to the image after the download is complete. Defaults + /// to `nil`. + /// - parameter progress: The closure to be executed periodically during the lifecycle of the request. + /// Defaults to `nil`. + /// - parameter progressQueue: The dispatch queue to call the progress closure on. Defaults to the main queue. + /// - parameter completion: The closure called when the download request is complete. Defaults to `nil`. + /// + /// - returns: The request receipt for the download request if available. `nil` if the image is stored in the image + /// cache and the URL request cache policy allows the cache to be used. + @discardableResult + open func download(_ urlRequest: URLRequestConvertible, + cacheKey: String? = nil, + receiptID: String = UUID().uuidString, + serializer: ImageResponseSerializer? = nil, + filter: ImageFilter? = nil, + progress: ProgressHandler? = nil, + progressQueue: DispatchQueue = DispatchQueue.main, + completion: CompletionHandler? = nil) + -> RequestReceipt? { + var queuedRequest: DataRequest? + + synchronizationQueue.sync { + // 1) Append the filter and completion handler to a pre-existing request if it already exists + let urlID = ImageDownloader.urlIdentifier(for: urlRequest) + + if let responseHandler = self.responseHandlers[urlID] { + responseHandler.operations.append((receiptID: receiptID, filter: filter, completion: completion)) + queuedRequest = responseHandler.request + return + } + + // 2) Attempt to load the image from the image cache if the cache policy allows it + if let nonNilURLRequest = urlRequest.urlRequest { + switch nonNilURLRequest.cachePolicy { + case .useProtocolCachePolicy, .returnCacheDataElseLoad, .returnCacheDataDontLoad: + let cachedImage: Image? + + if let cacheKey = cacheKey { + cachedImage = self.imageCache?.image(withIdentifier: cacheKey) + } else { + cachedImage = self.imageCache?.image(for: nonNilURLRequest, withIdentifier: filter?.identifier) + } + + if let image = cachedImage { + DispatchQueue.main.async { + let response = AFIDataResponse(request: urlRequest.urlRequest, + response: nil, + data: nil, + metrics: nil, + serializationDuration: 0.0, + result: .success(image)) + + completion?(response) + } + + return + } + default: + break + } + } + + // 3) Create the request and set up authentication, validation and response serialization + let request = self.session.request(urlRequest) + queuedRequest = request + + if let credential = self.credential { + request.authenticate(with: credential) + } + + request.validate() + + if let progress = progress { + request.downloadProgress(queue: progressQueue, closure: progress) + } + + // Generate a unique handler id to check whether the active request has changed while downloading + let handlerID = UUID().uuidString + + request.response(queue: self.responseQueue, + responseSerializer: serializer ?? imageResponseSerializer, + completionHandler: { response in + defer { + self.safelyDecrementActiveRequestCount() + self.safelyStartNextRequestIfNecessary() + } + + // Early out if the request has changed out from under us + guard + let handler = self.safelyFetchResponseHandler(withURLIdentifier: urlID), + handler.handlerID == handlerID, + let responseHandler = self.safelyRemoveResponseHandler(withURLIdentifier: urlID) + else { + return + } + + switch response.result { + case let .success(image): + var filteredImages: [String: Image] = [:] + + for (_, filter, completion) in responseHandler.operations { + var filteredImage: Image + + if let filter = filter { + if let alreadyFilteredImage = filteredImages[filter.identifier] { + filteredImage = alreadyFilteredImage + } else { + filteredImage = filter.filter(image) + filteredImages[filter.identifier] = filteredImage + } + } else { + filteredImage = image + } + + if let cacheKey = cacheKey { + self.imageCache?.add(filteredImage, withIdentifier: cacheKey) + } else if let request = response.request { + self.imageCache?.add(filteredImage, for: request, withIdentifier: filter?.identifier) + } + + DispatchQueue.main.async { + let response = AFIDataResponse(request: response.request, + response: response.response, + data: response.data, + metrics: response.metrics, + serializationDuration: response.serializationDuration, + result: .success(filteredImage)) + + completion?(response) + } + } + case .failure: + for (_, _, completion) in responseHandler.operations { + DispatchQueue.main.async { completion?(response.mapError { AFIError.alamofireError($0) }) } + } + } + }) + + // 4) Store the response handler for use when the request completes + let responseHandler = ResponseHandler(request: request, + handlerID: handlerID, + receiptID: receiptID, + filter: filter, + completion: completion) + + self.responseHandlers[urlID] = responseHandler + + // 5) Either start the request or enqueue it depending on the current active request count + if self.isActiveRequestCountBelowMaximumLimit() { + self.start(request) + } else { + self.enqueue(request) + } + } + + if let request = queuedRequest { + return RequestReceipt(request: request, receiptID: receiptID) + } + + return nil + } + + /// Creates a download request using the internal Alamofire `SessionManager` instance for each specified URL request. + /// + /// For each request, if the same download request is already in the queue or currently being downloaded, the + /// filter and completion handler are appended to the already existing request. Once the request completes, all + /// filters and completion handlers attached to the request are executed in the order they were added. + /// Additionally, any filters attached to the request with the same identifiers are only executed once. The + /// resulting image is then passed into each completion handler paired with the filter. + /// + /// You should not attempt to directly cancel any of the `request`s inside the request receipts array since other + /// callers may be relying on the completion of that request. Instead, you should call + /// `cancelRequestForRequestReceipt` with the returned request receipt to allow the `ImageDownloader` to optimize + /// the cancellation on behalf of all active callers. + /// + /// - parameter urlRequests: The URL requests. + /// - parameter filter The image filter to apply to the image after each download is complete. + /// - parameter progress: The closure to be executed periodically during the lifecycle of the request. Defaults + /// to `nil`. + /// - parameter progressQueue: The dispatch queue to call the progress closure on. Defaults to the main queue. + /// - parameter completion: The closure called when each download request is complete. + /// + /// - returns: The request receipts for the download requests if available. If an image is stored in the image + /// cache and the URL request cache policy allows the cache to be used, a receipt will not be returned + /// for that request. + @discardableResult + open func download(_ urlRequests: [URLRequestConvertible], + filter: ImageFilter? = nil, + progress: ProgressHandler? = nil, + progressQueue: DispatchQueue = DispatchQueue.main, + completion: CompletionHandler? = nil) + -> [RequestReceipt] { + urlRequests.compactMap { + download($0, filter: filter, progress: progress, progressQueue: progressQueue, completion: completion) + } + } + + /// Cancels the request contained inside the receipt calls the completion handler with a request cancelled error. + /// + /// - Parameter requestReceipt: The request receipt to cancel. + open func cancelRequest(with requestReceipt: RequestReceipt) { + synchronizationQueue.sync { + let urlID = ImageDownloader.urlIdentifier(for: requestReceipt.request.convertible) + guard let responseHandler = self.responseHandlers[urlID] else { return } + + let index = responseHandler.operations.firstIndex { $0.receiptID == requestReceipt.receiptID } + + if let index = index { + let operation = responseHandler.operations.remove(at: index) + + let response: AFIDataResponse = { + let urlRequest = requestReceipt.request.request + let error = AFIError.requestCancelled + + return DataResponse(request: urlRequest, + response: nil, + data: nil, + metrics: nil, + serializationDuration: 0.0, + result: .failure(error)) + }() + + DispatchQueue.main.async { operation.completion?(response) } + } + + if responseHandler.operations.isEmpty { + requestReceipt.request.cancel() + self.responseHandlers.removeValue(forKey: urlID) + } + } + } + + // MARK: Internal - Thread-Safe Request Methods + + func safelyFetchResponseHandler(withURLIdentifier urlIdentifier: String) -> ResponseHandler? { + var responseHandler: ResponseHandler? + + synchronizationQueue.sync { + responseHandler = self.responseHandlers[urlIdentifier] + } + + return responseHandler + } + + func safelyRemoveResponseHandler(withURLIdentifier identifier: String) -> ResponseHandler? { + var responseHandler: ResponseHandler? + + synchronizationQueue.sync { + responseHandler = self.responseHandlers.removeValue(forKey: identifier) + } + + return responseHandler + } + + func safelyStartNextRequestIfNecessary() { + synchronizationQueue.sync { + guard self.isActiveRequestCountBelowMaximumLimit() else { return } + + guard let request = self.dequeue() else { return } + + self.start(request) + } + } + + func safelyDecrementActiveRequestCount() { + synchronizationQueue.sync { + self.activeRequestCount -= 1 + } + } + + // MARK: Internal - Non Thread-Safe Request Methods + + func start(_ request: Request) { + request.resume() + activeRequestCount += 1 + } + + func enqueue(_ request: Request) { + switch downloadPrioritization { + case .fifo: + queuedRequests.append(request) + case .lifo: + queuedRequests.insert(request, at: 0) + } + } + + @discardableResult + func dequeue() -> Request? { + var request: Request? + + if !queuedRequests.isEmpty { + request = queuedRequests.removeFirst() + } + + return request + } + + func isActiveRequestCountBelowMaximumLimit() -> Bool { + activeRequestCount < maximumActiveDownloads + } + + static func urlIdentifier(for urlRequest: URLRequestConvertible) -> String { + var urlID: String? + + do { + urlID = try urlRequest.asURLRequest().url?.absoluteString + } catch { + // No-op + } + + return urlID ?? "" + } +} diff --git a/Pods/AlamofireImage/Source/ImageFilter.swift b/Pods/AlamofireImage/Source/ImageFilter.swift new file mode 100644 index 0000000..e856f35 --- /dev/null +++ b/Pods/AlamofireImage/Source/ImageFilter.swift @@ -0,0 +1,417 @@ +// +// ImageFilter.swift +// +// Copyright (c) 2015 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Foundation + +#if os(iOS) || os(tvOS) || os(watchOS) +import UIKit +#elseif os(macOS) +import Cocoa +#endif + +// MARK: ImageFilter + +/// The `ImageFilter` protocol defines properties for filtering an image as well as identification of the filter. +public protocol ImageFilter { + /// A closure used to create an alternative representation of the given image. + var filter: (Image) -> Image { get } + + /// The string used to uniquely identify the filter operation. + var identifier: String { get } +} + +extension ImageFilter { + /// The unique identifier for any `ImageFilter` type. + public var identifier: String { "\(type(of: self))" } +} + +// MARK: - Sizable + +/// The `Sizable` protocol defines a size property intended for use with `ImageFilter` types. +public protocol Sizable { + /// The size of the type. + var size: CGSize { get } +} + +extension ImageFilter where Self: Sizable { + /// The unique idenitifier for an `ImageFilter` conforming to the `Sizable` protocol. + public var identifier: String { + let width = Int64(size.width.rounded()) + let height = Int64(size.height.rounded()) + + return "\(type(of: self))-size:(\(width)x\(height))" + } +} + +// MARK: - Roundable + +/// The `Roundable` protocol defines a radius property intended for use with `ImageFilter` types. +public protocol Roundable { + /// The radius of the type. + var radius: CGFloat { get } +} + +extension ImageFilter where Self: Roundable { + /// The unique idenitifier for an `ImageFilter` conforming to the `Roundable` protocol. + public var identifier: String { + let radius = Int64(self.radius.rounded()) + return "\(type(of: self))-radius:(\(radius))" + } +} + +// MARK: - DynamicImageFilter + +/// The `DynamicImageFilter` class simplifies custom image filter creation by using a trailing closure initializer. +public struct DynamicImageFilter: ImageFilter { + /// The string used to uniquely identify the image filter operation. + public let identifier: String + + /// A closure used to create an alternative representation of the given image. + public let filter: (Image) -> Image + + /// Initializes the `DynamicImageFilter` instance with the specified identifier and filter closure. + /// + /// - parameter identifier: The unique identifier of the filter. + /// - parameter filter: A closure used to create an alternative representation of the given image. + /// + /// - returns: The new `DynamicImageFilter` instance. + public init(_ identifier: String, filter: @escaping (Image) -> Image) { + self.identifier = identifier + self.filter = filter + } +} + +// MARK: - CompositeImageFilter + +/// The `CompositeImageFilter` protocol defines an additional `filters` property to support multiple composite filters. +public protocol CompositeImageFilter: ImageFilter { + /// The image filters to apply to the image in sequential order. + var filters: [ImageFilter] { get } +} + +public extension CompositeImageFilter { + /// The unique idenitifier for any `CompositeImageFilter` type. + var identifier: String { + filters.map { $0.identifier }.joined(separator: "_") + } + + /// The filter closure for any `CompositeImageFilter` type. + var filter: (Image) -> Image { + { image in + self.filters.reduce(image) { $1.filter($0) } + } + } +} + +// MARK: - DynamicCompositeImageFilter + +/// The `DynamicCompositeImageFilter` class is a composite image filter based on a specified array of filters. +public struct DynamicCompositeImageFilter: CompositeImageFilter { + /// The image filters to apply to the image in sequential order. + public let filters: [ImageFilter] + + /// Initializes the `DynamicCompositeImageFilter` instance with the given filters. + /// + /// - parameter filters: The filters taking part in the composite image filter. + /// + /// - returns: The new `DynamicCompositeImageFilter` instance. + public init(_ filters: [ImageFilter]) { + self.filters = filters + } + + /// Initializes the `DynamicCompositeImageFilter` instance with the given filters. + /// + /// - parameter filters: The filters taking part in the composite image filter. + /// + /// - returns: The new `DynamicCompositeImageFilter` instance. + public init(_ filters: ImageFilter...) { + self.init(filters) + } +} + +#if os(iOS) || os(tvOS) || os(watchOS) + +// MARK: - Single Pass Image Filters (iOS, tvOS and watchOS only) - + +/// Scales an image to a specified size. +public struct ScaledToSizeFilter: ImageFilter, Sizable { + /// The size of the filter. + public let size: CGSize + + /// Initializes the `ScaledToSizeFilter` instance with the given size. + /// + /// - parameter size: The size. + /// + /// - returns: The new `ScaledToSizeFilter` instance. + public init(size: CGSize) { + self.size = size + } + + /// The filter closure used to create the modified representation of the given image. + public var filter: (Image) -> Image { + { image in + image.af.imageScaled(to: self.size) + } + } +} + +// MARK: - + +/// Scales an image from the center while maintaining the aspect ratio to fit within a specified size. +public struct AspectScaledToFitSizeFilter: ImageFilter, Sizable { + /// The size of the filter. + public let size: CGSize + + /// Initializes the `AspectScaledToFitSizeFilter` instance with the given size. + /// + /// - parameter size: The size. + /// + /// - returns: The new `AspectScaledToFitSizeFilter` instance. + public init(size: CGSize) { + self.size = size + } + + /// The filter closure used to create the modified representation of the given image. + public var filter: (Image) -> Image { + { image in + image.af.imageAspectScaled(toFit: self.size) + } + } +} + +// MARK: - + +/// Scales an image from the center while maintaining the aspect ratio to fill a specified size. Any pixels that fall +/// outside the specified size are clipped. +public struct AspectScaledToFillSizeFilter: ImageFilter, Sizable { + /// The size of the filter. + public let size: CGSize + + /// Initializes the `AspectScaledToFillSizeFilter` instance with the given size. + /// + /// - parameter size: The size. + /// + /// - returns: The new `AspectScaledToFillSizeFilter` instance. + public init(size: CGSize) { + self.size = size + } + + /// The filter closure used to create the modified representation of the given image. + public var filter: (Image) -> Image { + { image in + image.af.imageAspectScaled(toFill: self.size) + } + } +} + +// MARK: - + +/// Rounds the corners of an image to the specified radius. +public struct RoundedCornersFilter: ImageFilter, Roundable { + /// The radius of the filter. + public let radius: CGFloat + + /// Whether to divide the radius by the image scale. + public let divideRadiusByImageScale: Bool + + /// Initializes the `RoundedCornersFilter` instance with the given radius. + /// + /// - parameter radius: The radius. + /// - parameter divideRadiusByImageScale: Whether to divide the radius by the image scale. Set to `true` when the + /// image has the same resolution for all screen scales such as @1x, @2x and + /// @3x (i.e. single image from web server). Set to `false` for images loaded + /// from an asset catalog with varying resolutions for each screen scale. + /// `false` by default. + /// + /// - returns: The new `RoundedCornersFilter` instance. + public init(radius: CGFloat, divideRadiusByImageScale: Bool = false) { + self.radius = radius + self.divideRadiusByImageScale = divideRadiusByImageScale + } + + /// The filter closure used to create the modified representation of the given image. + public var filter: (Image) -> Image { + { image in + image.af.imageRounded(withCornerRadius: self.radius, + divideRadiusByImageScale: self.divideRadiusByImageScale) + } + } + + /// The unique idenitifier for an `ImageFilter` conforming to the `Roundable` protocol. + public var identifier: String { + let radius = Int64(self.radius.rounded()) + return "\(type(of: self))-radius:(\(radius))-divided:(\(divideRadiusByImageScale))" + } +} + +// MARK: - + +/// Rounds the corners of an image into a circle. +public struct CircleFilter: ImageFilter { + /// Initializes the `CircleFilter` instance. + /// + /// - returns: The new `CircleFilter` instance. + public init() {} + + /// The filter closure used to create the modified representation of the given image. + public var filter: (Image) -> Image { + { image in + image.af.imageRoundedIntoCircle() + } + } +} + +// MARK: - + +#if os(iOS) || os(tvOS) + +/// The `CoreImageFilter` protocol defines `parameters`, `filterName` properties used by CoreImage. +@available(iOS 9.0, *) +public protocol CoreImageFilter: ImageFilter { + /// The filter name of the CoreImage filter. + var filterName: String { get } + + /// The image filter parameters passed to CoreImage. + var parameters: [String: Any] { get } +} + +@available(iOS 9.0, *) +public extension ImageFilter where Self: CoreImageFilter { + /// The filter closure used to create the modified representation of the given image. + var filter: (Image) -> Image { + { image in + image.af.imageFiltered(withCoreImageFilter: self.filterName, parameters: self.parameters) ?? image + } + } + + /// The unique idenitifier for an `ImageFilter` conforming to the `CoreImageFilter` protocol. + var identifier: String { "\(type(of: self))-parameters:(\(parameters))" } +} + +/// Blurs an image using a `CIGaussianBlur` filter with the specified blur radius. +@available(iOS 9.0, *) +public struct BlurFilter: ImageFilter, CoreImageFilter { + /// The filter name. + public let filterName = "CIGaussianBlur" + + /// The image filter parameters passed to CoreImage. + public let parameters: [String: Any] + + /// Initializes the `BlurFilter` instance with the given blur radius. + /// + /// - parameter blurRadius: The blur radius. + /// + /// - returns: The new `BlurFilter` instance. + public init(blurRadius: UInt = 10) { + parameters = ["inputRadius": blurRadius] + } +} + +#endif + +// MARK: - Composite Image Filters (iOS, tvOS and watchOS only) - + +/// Scales an image to a specified size, then rounds the corners to the specified radius. +public struct ScaledToSizeWithRoundedCornersFilter: CompositeImageFilter { + /// Initializes the `ScaledToSizeWithRoundedCornersFilter` instance with the given size and radius. + /// + /// - parameter size: The size. + /// - parameter radius: The radius. + /// - parameter divideRadiusByImageScale: Whether to divide the radius by the image scale. Set to `true` when the + /// image has the same resolution for all screen scales such as @1x, @2x and + /// @3x (i.e. single image from web server). Set to `false` for images loaded + /// from an asset catalog with varying resolutions for each screen scale. + /// `false` by default. + /// + /// - returns: The new `ScaledToSizeWithRoundedCornersFilter` instance. + public init(size: CGSize, radius: CGFloat, divideRadiusByImageScale: Bool = false) { + filters = [ScaledToSizeFilter(size: size), + RoundedCornersFilter(radius: radius, divideRadiusByImageScale: divideRadiusByImageScale)] + } + + /// The image filters to apply to the image in sequential order. + public let filters: [ImageFilter] +} + +// MARK: - + +/// Scales an image from the center while maintaining the aspect ratio to fit within a specified size, then rounds the +/// corners to the specified radius. +public struct AspectScaledToFillSizeWithRoundedCornersFilter: CompositeImageFilter { + /// Initializes the `AspectScaledToFillSizeWithRoundedCornersFilter` instance with the given size and radius. + /// + /// - parameter size: The size. + /// - parameter radius: The radius. + /// - parameter divideRadiusByImageScale: Whether to divide the radius by the image scale. Set to `true` when the + /// image has the same resolution for all screen scales such as @1x, @2x and + /// @3x (i.e. single image from web server). Set to `false` for images loaded + /// from an asset catalog with varying resolutions for each screen scale. + /// `false` by default. + /// + /// - returns: The new `AspectScaledToFillSizeWithRoundedCornersFilter` instance. + public init(size: CGSize, radius: CGFloat, divideRadiusByImageScale: Bool = false) { + filters = [AspectScaledToFillSizeFilter(size: size), + RoundedCornersFilter(radius: radius, divideRadiusByImageScale: divideRadiusByImageScale)] + } + + /// The image filters to apply to the image in sequential order. + public let filters: [ImageFilter] +} + +// MARK: - + +/// Scales an image to a specified size, then rounds the corners into a circle. +public struct ScaledToSizeCircleFilter: CompositeImageFilter { + /// Initializes the `ScaledToSizeCircleFilter` instance with the given size. + /// + /// - parameter size: The size. + /// + /// - returns: The new `ScaledToSizeCircleFilter` instance. + public init(size: CGSize) { + filters = [ScaledToSizeFilter(size: size), CircleFilter()] + } + + /// The image filters to apply to the image in sequential order. + public let filters: [ImageFilter] +} + +// MARK: - + +/// Scales an image from the center while maintaining the aspect ratio to fit within a specified size, then rounds the +/// corners into a circle. +public struct AspectScaledToFillSizeCircleFilter: CompositeImageFilter { + /// Initializes the `AspectScaledToFillSizeCircleFilter` instance with the given size. + /// + /// - parameter size: The size. + /// + /// - returns: The new `AspectScaledToFillSizeCircleFilter` instance. + public init(size: CGSize) { + filters = [AspectScaledToFillSizeFilter(size: size), CircleFilter()] + } + + /// The image filters to apply to the image in sequential order. + public let filters: [ImageFilter] +} + +#endif diff --git a/Pods/AlamofireImage/Source/Request+AlamofireImage.swift b/Pods/AlamofireImage/Source/Request+AlamofireImage.swift new file mode 100644 index 0000000..ec926db --- /dev/null +++ b/Pods/AlamofireImage/Source/Request+AlamofireImage.swift @@ -0,0 +1,220 @@ +// +// Request+AlamofireImage.swift +// +// Copyright (c) 2015 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Alamofire +import Foundation + +#if os(iOS) || os(tvOS) +import UIKit +#elseif os(watchOS) +import UIKit +import WatchKit +#elseif os(macOS) +import Cocoa +#endif + +public final class ImageResponseSerializer: ResponseSerializer { + // MARK: Properties + + public static var deviceScreenScale: CGFloat { DataRequest.imageScale } + + public let imageScale: CGFloat + public let inflateResponseImage: Bool + public let emptyResponseCodes: Set + public let emptyRequestMethods: Set + + static var acceptableImageContentTypes: Set = ["application/octet-stream", + "image/tiff", + "image/jpeg", + "image/gif", + "image/png", + "image/ico", + "image/x-icon", + "image/bmp", + "image/x-bmp", + "image/x-xbitmap", + "image/x-ms-bmp", + "image/x-win-bitmap"] + + static let streamImageInitialBytePattern = Data([255, 216]) // 0xffd8 + + // MARK: Initialization + + public init(imageScale: CGFloat = ImageResponseSerializer.deviceScreenScale, + inflateResponseImage: Bool = true, + emptyResponseCodes: Set = ImageResponseSerializer.defaultEmptyResponseCodes, + emptyRequestMethods: Set = ImageResponseSerializer.defaultEmptyRequestMethods) { + self.imageScale = imageScale + self.inflateResponseImage = inflateResponseImage + self.emptyResponseCodes = emptyResponseCodes + self.emptyRequestMethods = emptyRequestMethods + } + + // MARK: Serialization + + public func serialize(request: URLRequest?, response: HTTPURLResponse?, data: Data?, error: Error?) throws -> Image { + guard error == nil else { throw error! } + + guard let data = data, !data.isEmpty else { + guard emptyResponseAllowed(forRequest: request, response: response) else { + throw AFError.responseSerializationFailed(reason: .inputDataNilOrZeroLength) + } + + print("Returning empty image!") + return Image() + } + + try validateContentType(for: request, response: response) + let image = try serializeImage(from: data) + + return image + } + + public func serializeImage(from data: Data) throws -> Image { + guard !data.isEmpty else { + throw AFError.responseSerializationFailed(reason: .inputDataNilOrZeroLength) + } + + #if os(iOS) || os(tvOS) || os(watchOS) + guard let image = UIImage.af.threadSafeImage(with: data, scale: imageScale) else { + throw AFIError.imageSerializationFailed + } + + if inflateResponseImage { image.af.inflate() } + #elseif os(macOS) + guard let bitmapImage = NSBitmapImageRep(data: data) else { + throw AFIError.imageSerializationFailed + } + + let image = NSImage(size: NSSize(width: bitmapImage.pixelsWide, height: bitmapImage.pixelsHigh)) + image.addRepresentation(bitmapImage) + #endif + + return image + } + + // MARK: Content Type Validation + + /// Adds the content types specified to the list of acceptable images content types for validation. + /// + /// - parameter contentTypes: The additional content types. + public class func addAcceptableImageContentTypes(_ contentTypes: Set) { + ImageResponseSerializer.acceptableImageContentTypes.formUnion(contentTypes) + } + + public func validateContentType(for request: URLRequest?, response: HTTPURLResponse?) throws { + if let url = request?.url, url.isFileURL { return } + + guard let mimeType = response?.mimeType else { + let contentTypes = Array(ImageResponseSerializer.acceptableImageContentTypes) + throw AFError.responseValidationFailed(reason: .missingContentType(acceptableContentTypes: contentTypes)) + } + + guard ImageResponseSerializer.acceptableImageContentTypes.contains(mimeType) else { + let contentTypes = Array(ImageResponseSerializer.acceptableImageContentTypes) + + throw AFError.responseValidationFailed( + reason: .unacceptableContentType(acceptableContentTypes: contentTypes, responseContentType: mimeType) + ) + } + } +} + +// MARK: - Image Scale + +extension DataRequest { + public class var imageScale: CGFloat { + #if os(iOS) || os(tvOS) + return UIScreen.main.scale + #elseif os(watchOS) + return WKInterfaceDevice.current().screenScale + #elseif os(macOS) + return 1.0 + #endif + } +} + +// MARK: - iOS, tvOS, and watchOS + +#if os(iOS) || os(tvOS) || os(watchOS) + +extension DataRequest { + /// Adds a response handler to be called once the request has finished. + /// + /// - parameter imageScale: The scale factor used when interpreting the image data to construct + /// `responseImage`. Specifying a scale factor of 1.0 results in an image whose + /// size matches the pixel-based dimensions of the image. Applying a different + /// scale factor changes the size of the image as reported by the size property. + /// This is set to the value of scale of the main screen by default, which + /// automatically scales images for retina displays, for instance. + /// `Screen.scale` by default. + /// - parameter inflateResponseImage: Whether to automatically inflate response image data for compressed formats + /// (such as PNG or JPEG). Enabling this can significantly improve drawing + /// performance as it allows a bitmap representation to be constructed in the + /// background rather than on the main thread. `true` by default. + /// - parameter queue: The queue on which the completion handler is dispatched. `.main` by default. + /// - parameter completionHandler: A closure to be executed once the request has finished. The closure takes 4 + /// arguments: the URL request, the URL response, if one was received, the image, + /// if one could be created from the URL response and data, and any error produced + /// while creating the image. + /// + /// - returns: The request. + @discardableResult + public func responseImage(imageScale: CGFloat = DataRequest.imageScale, + inflateResponseImage: Bool = true, + queue: DispatchQueue = .main, + completionHandler: @escaping (AFDataResponse) -> Void) + -> Self { + response(queue: queue, + responseSerializer: ImageResponseSerializer(imageScale: imageScale, + inflateResponseImage: inflateResponseImage), + completionHandler: completionHandler) + } +} + +// MARK: - macOS + +#elseif os(macOS) + +extension DataRequest { + /// Adds a response handler to be called once the request has finished. + /// + /// - Parameters: + /// - queue: The queue on which the completion handler is dispatched. `.main` by default. + /// - completionHandler: A closure to be executed once the request has finished. The closure takes 4 arguments: + /// the URL request, the URL response, if one was received, the image, if one could be + /// created from the URL response and data, and any error produced while creating the image. + /// + /// - returns: The request. + @discardableResult + public func responseImage(queue: DispatchQueue = .main, + completionHandler: @escaping (AFDataResponse) -> Void) + -> Self { + response(queue: queue, + responseSerializer: ImageResponseSerializer(inflateResponseImage: false), + completionHandler: completionHandler) + } +} + +#endif diff --git a/Pods/AlamofireImage/Source/UIButton+AlamofireImage.swift b/Pods/AlamofireImage/Source/UIButton+AlamofireImage.swift new file mode 100644 index 0000000..8802b3a --- /dev/null +++ b/Pods/AlamofireImage/Source/UIButton+AlamofireImage.swift @@ -0,0 +1,617 @@ +// +// UIButton+AlamofireImage.swift +// +// Copyright (c) 2015 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Alamofire +import Foundation + +#if os(iOS) || os(tvOS) + +import UIKit + +public typealias ControlState = UIControl.State + +extension UIButton: AlamofireExtended {} +extension AlamofireExtension where ExtendedType: UIButton { + // MARK: - Properties + + /// The instance image downloader used to download all images. If this property is `nil`, the `UIButton` will + /// fallback on the `sharedImageDownloader` for all downloads. The most common use case for needing to use a + /// custom instance image downloader is when images are behind different basic auth credentials. + public var imageDownloader: ImageDownloader? { + get { + objc_getAssociatedObject(type, &AssociatedKeys.imageDownloader) as? ImageDownloader + } + nonmutating set { + objc_setAssociatedObject(type, &AssociatedKeys.imageDownloader, newValue, .OBJC_ASSOCIATION_RETAIN_NONATOMIC) + } + } + + /// The shared image downloader used to download all images. By default, this is the default `ImageDownloader` + /// instance backed with an `AutoPurgingImageCache` which automatically evicts images from the cache when the memory + /// capacity is reached or memory warning notifications occur. The shared image downloader is only used if the + /// `imageDownloader` is `nil`. + public static var sharedImageDownloader: ImageDownloader { + get { + guard let + downloader = objc_getAssociatedObject(UIButton.self, &AssociatedKeys.sharedImageDownloader) as? ImageDownloader + else { return ImageDownloader.default } + + return downloader + } + set { + objc_setAssociatedObject(UIButton.self, &AssociatedKeys.sharedImageDownloader, newValue, .OBJC_ASSOCIATION_RETAIN_NONATOMIC) + } + } + + private var imageRequestReceipts: [UInt: RequestReceipt] { + get { + guard let + receipts = objc_getAssociatedObject(type, &AssociatedKeys.imageReceipts) as? [UInt: RequestReceipt] + else { return [:] } + + return receipts + } + nonmutating set { + objc_setAssociatedObject(type, &AssociatedKeys.imageReceipts, newValue, .OBJC_ASSOCIATION_RETAIN_NONATOMIC) + } + } + + private var backgroundImageRequestReceipts: [UInt: RequestReceipt] { + get { + guard let + receipts = objc_getAssociatedObject(type, &AssociatedKeys.backgroundImageReceipts) as? [UInt: RequestReceipt] + else { return [:] } + + return receipts + } + nonmutating set { + objc_setAssociatedObject(type, &AssociatedKeys.backgroundImageReceipts, newValue, .OBJC_ASSOCIATION_RETAIN_NONATOMIC) + } + } + + // MARK: - Image Downloads + + /// Asynchronously downloads an image from the specified URL and sets it once the request is finished. + /// + /// If the image is cached locally, the image is set immediately. Otherwise the specified placeholder image will be + /// set immediately, and then the remote image will be set once the image request is finished. + /// + /// - parameter state: The control state of the button to set the image on. + /// - parameter url: The URL used for your image request. + /// - parameter cacheKey: An optional key used to identify the image in the cache. Defaults to `nil`. + /// - parameter placeholderImage: The image to be set initially until the image request finished. If `nil`, the + /// image will not change its image until the image request finishes. Defaults + /// to `nil`. + /// - parameter serializer: Image response serializer used to convert the image data to `UIImage`. Defaults + /// to `nil` which will fall back to the instance `imageResponseSerializer` set on + /// the `ImageDownloader`. + /// - parameter filter: The image filter applied to the image after the image request is finished. + /// Defaults to `nil`. + /// - parameter progress: The closure to be executed periodically during the lifecycle of the request. + /// Defaults to `nil`. + /// - parameter progressQueue: The dispatch queue to call the progress closure on. Defaults to the main queue. + /// - parameter completion: A closure to be executed when the image request finishes. The closure takes a + /// single response value containing either the image or the error that occurred. If + /// the image was returned from the image cache, the response will be `nil`. Defaults + /// to `nil`. + public func setImage(for state: ControlState, + url: URL, + cacheKey: String? = nil, + placeholderImage: UIImage? = nil, + serializer: ImageResponseSerializer? = nil, + filter: ImageFilter? = nil, + progress: ImageDownloader.ProgressHandler? = nil, + progressQueue: DispatchQueue = DispatchQueue.main, + completion: ((AFIDataResponse) -> Void)? = nil) { + setImage(for: state, + urlRequest: urlRequest(with: url), + cacheKey: cacheKey, + placeholderImage: placeholderImage, + serializer: serializer, + filter: filter, + progress: progress, + progressQueue: progressQueue, + completion: completion) + } + + /// Asynchronously downloads an image from the specified URL and sets it once the request is finished. + /// + /// If the image is cached locally, the image is set immediately. Otherwise the specified placeholder image will be + /// set immediately, and then the remote image will be set once the image request is finished. + /// + /// - parameter state: The control state of the button to set the image on. + /// - parameter urlRequest: The URL request. + /// - parameter cacheKey: An optional key used to identify the image in the cache. Defaults to `nil`. + /// - parameter placeholderImage: The image to be set initially until the image request finished. If `nil`, the + /// image will not change its image until the image request finishes. Defaults + /// to `nil`. + /// - parameter serializer: Image response serializer used to convert the image data to `UIImage`. Defaults + /// to `nil` which will fall back to the instance `imageResponseSerializer` set on + /// the `ImageDownloader`. + /// - parameter filter: The image filter applied to the image after the image request is finished. + /// Defaults to `nil`. + /// - parameter progress: The closure to be executed periodically during the lifecycle of the request. + /// Defaults to `nil`. + /// - parameter progressQueue: The dispatch queue to call the progress closure on. Defaults to the main queue. + /// - parameter completion: A closure to be executed when the image request finishes. The closure takes a + /// single response value containing either the image or the error that occurred. If + /// the image was returned from the image cache, the response will be `nil`. Defaults + /// to `nil`. + public func setImage(for state: ControlState, + urlRequest: URLRequestConvertible, + cacheKey: String? = nil, + placeholderImage: UIImage? = nil, + serializer: ImageResponseSerializer? = nil, + filter: ImageFilter? = nil, + progress: ImageDownloader.ProgressHandler? = nil, + progressQueue: DispatchQueue = DispatchQueue.main, + completion: ((AFIDataResponse) -> Void)? = nil) { + guard !isImageURLRequest(urlRequest, equalToActiveRequestURLForState: state) else { + let response = AFIDataResponse(request: nil, + response: nil, + data: nil, + metrics: nil, + serializationDuration: 0.0, + result: .failure(AFIError.requestCancelled)) + + completion?(response) + + return + } + + cancelImageRequest(for: state) + + let imageDownloader = self.imageDownloader ?? UIButton.af.sharedImageDownloader + let imageCache = imageDownloader.imageCache + + // Use the image from the image cache if it exists + if let request = urlRequest.urlRequest { + let cachedImage: Image? + + if let cacheKey = cacheKey { + cachedImage = imageCache?.image(withIdentifier: cacheKey) + } else { + cachedImage = imageCache?.image(for: request, withIdentifier: filter?.identifier) + } + + if let image = cachedImage { + let response = AFIDataResponse(request: urlRequest.urlRequest, + response: nil, + data: nil, + metrics: nil, + serializationDuration: 0.0, + result: .success(image)) + + type.setImage(image, for: state) + completion?(response) + + return + } + } + + // Set the placeholder since we're going to have to download + if let placeholderImage = placeholderImage { type.setImage(placeholderImage, for: state) } + + // Generate a unique download id to check whether the active request has changed while downloading + let downloadID = UUID().uuidString + + // Weakify the button to allow it to go out-of-memory while download is running if deallocated + weak var button = type + + // Download the image, then set the image for the control state + let requestReceipt = imageDownloader.download(urlRequest, + cacheKey: cacheKey, + receiptID: downloadID, + serializer: serializer, + filter: filter, + progress: progress, + progressQueue: progressQueue, + completion: { response in + guard + let strongSelf = button?.af, + strongSelf.isImageURLRequest(response.request, equalToActiveRequestURLForState: state) && + strongSelf.imageRequestReceipt(for: state)?.receiptID == downloadID + else { + completion?(response) + return + } + + if case let .success(image) = response.result { + strongSelf.type.setImage(image, for: state) + } + + strongSelf.setImageRequestReceipt(nil, for: state) + + completion?(response) + }) + + setImageRequestReceipt(requestReceipt, for: state) + } + + /// Cancels the active download request for the image, if one exists. + public func cancelImageRequest(for state: ControlState) { + guard let receipt = imageRequestReceipt(for: state) else { return } + + let imageDownloader = self.imageDownloader ?? UIButton.af.sharedImageDownloader + imageDownloader.cancelRequest(with: receipt) + + setImageRequestReceipt(nil, for: state) + } + + // MARK: - Background Image Downloads + + /// Asynchronously downloads an image from the specified URL and sets it once the request is finished. + /// + /// If the image is cached locally, the image is set immediately. Otherwise the specified placeholder image will be + /// set immediately, and then the remote image will be set once the image request is finished. + /// + /// - parameter state: The control state of the button to set the image on. + /// - parameter url: The URL used for the image request. + /// - parameter cacheKey: An optional key used to identify the image in the cache. Defaults to `nil`. + /// - parameter placeholderImage: The image to be set initially until the image request finished. If `nil`, the + /// background image will not change its image until the image request finishes. + /// Defaults to `nil`. + /// - parameter serializer: Image response serializer used to convert the image data to `UIImage`. Defaults + /// to `nil` which will fall back to the instance `imageResponseSerializer` set on + /// the `ImageDownloader`. + /// - parameter filter: The image filter applied to the image after the image request is finished. + /// Defaults to `nil`. + /// - parameter progress: The closure to be executed periodically during the lifecycle of the request. + /// Defaults to `nil`. + /// - parameter progressQueue: The dispatch queue to call the progress closure on. Defaults to the main queue. + /// - parameter completion: A closure to be executed when the image request finishes. The closure takes a + /// single response value containing either the image or the error that occurred. If + /// the image was returned from the image cache, the response will be `nil`. Defaults + /// to `nil`. + public func setBackgroundImage(for state: ControlState, + url: URL, + cacheKey: String? = nil, + placeholderImage: UIImage? = nil, + serializer: ImageResponseSerializer? = nil, + filter: ImageFilter? = nil, + progress: ImageDownloader.ProgressHandler? = nil, + progressQueue: DispatchQueue = DispatchQueue.main, + completion: ((AFIDataResponse) -> Void)? = nil) { + setBackgroundImage(for: state, + urlRequest: urlRequest(with: url), + cacheKey: cacheKey, + placeholderImage: placeholderImage, + serializer: serializer, + filter: filter, + progress: progress, + progressQueue: progressQueue, + completion: completion) + } + + /// Asynchronously downloads an image from the specified URL request and sets it once the request is finished. + /// + /// If the image is cached locally, the image is set immediately. Otherwise the specified placeholder image will be + /// set immediately, and then the remote image will be set once the image request is finished. + /// + /// - parameter state: The control state of the button to set the image on. + /// - parameter urlRequest: The URL request. + /// - parameter cacheKey: An optional key used to identify the image in the cache. Defaults to `nil`. + /// - parameter placeholderImage: The image to be set initially until the image request finished. If `nil`, the + /// background image will not change its image until the image request finishes. + /// Defaults to `nil`. + /// - parameter serializer: Image response serializer used to convert the image data to `UIImage`. Defaults + /// to `nil` which will fall back to the instance `imageResponseSerializer` set on + /// the `ImageDownloader`. + /// - parameter filter: The image filter applied to the image after the image request is finished. + /// Defaults to `nil`. + /// - parameter progress: The closure to be executed periodically during the lifecycle of the request. + /// Defaults to `nil`. + /// - parameter progressQueue: The dispatch queue to call the progress closure on. Defaults to the main queue. + /// - parameter completion: A closure to be executed when the image request finishes. The closure takes a + /// single response value containing either the image or the error that occurred. If + /// the image was returned from the image cache, the response will be `nil`. Defaults + /// to `nil`. + public func setBackgroundImage(for state: ControlState, + urlRequest: URLRequestConvertible, + cacheKey: String? = nil, + placeholderImage: UIImage? = nil, + serializer: ImageResponseSerializer? = nil, + filter: ImageFilter? = nil, + progress: ImageDownloader.ProgressHandler? = nil, + progressQueue: DispatchQueue = DispatchQueue.main, + completion: ((AFIDataResponse) -> Void)? = nil) { + guard !isImageURLRequest(urlRequest, equalToActiveRequestURLForState: state) else { + let response = AFIDataResponse(request: nil, + response: nil, + data: nil, + metrics: nil, + serializationDuration: 0.0, + result: .failure(AFIError.requestCancelled)) + + completion?(response) + + return + } + + cancelBackgroundImageRequest(for: state) + + let imageDownloader = self.imageDownloader ?? UIButton.af.sharedImageDownloader + let imageCache = imageDownloader.imageCache + + // Use the image from the image cache if it exists + if let request = urlRequest.urlRequest { + let cachedImage: Image? + + if let cacheKey = cacheKey { + cachedImage = imageCache?.image(withIdentifier: cacheKey) + } else { + cachedImage = imageCache?.image(for: request, withIdentifier: filter?.identifier) + } + + if let image = cachedImage { + let response = AFIDataResponse(request: urlRequest.urlRequest, + response: nil, + data: nil, + metrics: nil, + serializationDuration: 0.0, + result: .success(image)) + + type.setBackgroundImage(image, for: state) + completion?(response) + + return + } + } + + // Set the placeholder since we're going to have to download + if let placeholderImage = placeholderImage { type.setBackgroundImage(placeholderImage, for: state) } + + // Generate a unique download id to check whether the active request has changed while downloading + let downloadID = UUID().uuidString + + // Weakify the button to allow it to go out-of-memory while download is running if deallocated + weak var button = type + + // Download the image, then set the image for the control state + let requestReceipt = imageDownloader.download(urlRequest, + cacheKey: cacheKey, + receiptID: downloadID, + serializer: serializer, + filter: filter, + progress: progress, + progressQueue: progressQueue, + completion: { response in + guard + let strongSelf = button?.af, + strongSelf.isBackgroundImageURLRequest(response.request, equalToActiveRequestURLForState: state) && + strongSelf.backgroundImageRequestReceipt(for: state)?.receiptID == downloadID + else { + completion?(response) + return + } + + if case let .success(image) = response.result { + strongSelf.type.setBackgroundImage(image, for: state) + } + + strongSelf.setBackgroundImageRequestReceipt(nil, for: state) + + completion?(response) + }) + + setBackgroundImageRequestReceipt(requestReceipt, for: state) + } + + /// Cancels the active download request for the background image, if one exists. + public func cancelBackgroundImageRequest(for state: ControlState) { + guard let receipt = backgroundImageRequestReceipt(for: state) else { return } + + let imageDownloader = self.imageDownloader ?? UIButton.af.sharedImageDownloader + imageDownloader.cancelRequest(with: receipt) + + setBackgroundImageRequestReceipt(nil, for: state) + } + + // MARK: - Internal - Image Request Receipts + + func imageRequestReceipt(for state: ControlState) -> RequestReceipt? { + guard let receipt = imageRequestReceipts[state.rawValue] else { return nil } + return receipt + } + + func setImageRequestReceipt(_ receipt: RequestReceipt?, for state: ControlState) { + var receipts = imageRequestReceipts + receipts[state.rawValue] = receipt + + imageRequestReceipts = receipts + } + + // MARK: - Internal - Background Image Request Receipts + + func backgroundImageRequestReceipt(for state: ControlState) -> RequestReceipt? { + guard let receipt = backgroundImageRequestReceipts[state.rawValue] else { return nil } + return receipt + } + + func setBackgroundImageRequestReceipt(_ receipt: RequestReceipt?, for state: ControlState) { + var receipts = backgroundImageRequestReceipts + receipts[state.rawValue] = receipt + + backgroundImageRequestReceipts = receipts + } + + // MARK: - Private - URL Request Helpers + + private func isImageURLRequest(_ urlRequest: URLRequestConvertible?, + equalToActiveRequestURLForState state: ControlState) + -> Bool { + if + let currentURL = imageRequestReceipt(for: state)?.request.task?.originalRequest?.url, + let requestURL = urlRequest?.urlRequest?.url, + currentURL == requestURL { + return true + } + + return false + } + + private func isBackgroundImageURLRequest(_ urlRequest: URLRequestConvertible?, + equalToActiveRequestURLForState state: ControlState) + -> Bool { + if + let currentRequestURL = backgroundImageRequestReceipt(for: state)?.request.task?.originalRequest?.url, + let requestURL = urlRequest?.urlRequest?.url, + currentRequestURL == requestURL { + return true + } + + return false + } + + private func urlRequest(with url: URL) -> URLRequest { + var urlRequest = URLRequest(url: url) + + for mimeType in ImageResponseSerializer.acceptableImageContentTypes { + urlRequest.addValue(mimeType, forHTTPHeaderField: "Accept") + } + + return urlRequest + } +} + +// MARK: - Deprecated + +extension UIButton { + @available(*, deprecated, message: "Replaced by `button.af.imageDownloader`") + public var af_imageDownloader: ImageDownloader? { + get { af.imageDownloader } + set { af.imageDownloader = newValue } + } + + @available(*, deprecated, message: "Replaced by `button.af.sharedImageDownloader`") + public class var af_sharedImageDownloader: ImageDownloader { + get { af.sharedImageDownloader } + set { af.sharedImageDownloader = newValue } + } + + @available(*, deprecated, message: "Replaced by `button.af.sharedImageDownloader`") + public func af_setImage(for state: ControlState, + url: URL, + cacheKey: String? = nil, + placeholderImage: UIImage? = nil, + serializer: ImageResponseSerializer? = nil, + filter: ImageFilter? = nil, + progress: ImageDownloader.ProgressHandler? = nil, + progressQueue: DispatchQueue = DispatchQueue.main, + completion: ((AFIDataResponse) -> Void)? = nil) { + af.setImage(for: state, + url: url, + cacheKey: cacheKey, + placeholderImage: placeholderImage, + serializer: serializer, + filter: filter, + progress: progress, + progressQueue: progressQueue, + completion: completion) + } + + @available(*, deprecated, message: "Replaced by `button.af.sharedImageDownloader`") + public func af_setImage(for state: ControlState, + urlRequest: URLRequestConvertible, + cacheKey: String? = nil, + placeholderImage: UIImage? = nil, + serializer: ImageResponseSerializer? = nil, + filter: ImageFilter? = nil, + progress: ImageDownloader.ProgressHandler? = nil, + progressQueue: DispatchQueue = DispatchQueue.main, + completion: ((AFIDataResponse) -> Void)? = nil) { + af.setImage(for: state, + urlRequest: urlRequest, + cacheKey: cacheKey, + placeholderImage: placeholderImage, + serializer: serializer, + filter: filter, + progress: progress, + progressQueue: progressQueue, + completion: completion) + } + + /// Cancels the active download request for the image, if one exists. + public func af_cancelImageRequest(for state: ControlState) { + af.cancelImageRequest(for: state) + } + + @available(*, deprecated, message: "Replaced by `button.af.sharedImageDownloader`") + public func af_setBackgroundImage(for state: ControlState, + url: URL, + cacheKey: String? = nil, + placeholderImage: UIImage? = nil, + serializer: ImageResponseSerializer? = nil, + filter: ImageFilter? = nil, + progress: ImageDownloader.ProgressHandler? = nil, + progressQueue: DispatchQueue = DispatchQueue.main, + completion: ((AFIDataResponse) -> Void)? = nil) { + af.setBackgroundImage(for: state, + url: url, + cacheKey: cacheKey, + placeholderImage: placeholderImage, + serializer: serializer, + filter: filter, + progress: progress, + progressQueue: progressQueue, + completion: completion) + } + + @available(*, deprecated, message: "Replaced by `button.af.sharedImageDownloader`") + public func af_setBackgroundImage(for state: ControlState, + urlRequest: URLRequestConvertible, + cacheKey: String? = nil, + placeholderImage: UIImage? = nil, + serializer: ImageResponseSerializer? = nil, + filter: ImageFilter? = nil, + progress: ImageDownloader.ProgressHandler? = nil, + progressQueue: DispatchQueue = DispatchQueue.main, + completion: ((AFIDataResponse) -> Void)? = nil) { + af.setBackgroundImage(for: state, + urlRequest: urlRequest, + cacheKey: cacheKey, + placeholderImage: placeholderImage, + serializer: serializer, + filter: filter, + progress: progress, + progressQueue: progressQueue, + completion: completion) + } + + /// Cancels the active download request for the background image, if one exists. + public func af_cancelBackgroundImageRequest(for state: ControlState) { + af.cancelBackgroundImageRequest(for: state) + } +} + +// MARK: - Private - AssociatedKeys + +private struct AssociatedKeys { + static var imageDownloader = "UIButton.af.imageDownloader" + static var sharedImageDownloader = "UIButton.af.sharedImageDownloader" + static var imageReceipts = "UIButton.af.imageReceipts" + static var backgroundImageReceipts = "UIButton.af.backgroundImageReceipts" +} + +#endif diff --git a/Pods/AlamofireImage/Source/UIImage+AlamofireImage.swift b/Pods/AlamofireImage/Source/UIImage+AlamofireImage.swift new file mode 100644 index 0000000..9d161c5 --- /dev/null +++ b/Pods/AlamofireImage/Source/UIImage+AlamofireImage.swift @@ -0,0 +1,395 @@ +// +// UIImage+AlamofireImage.swift +// +// Copyright (c) 2015 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +#if os(iOS) || os(tvOS) || os(watchOS) + +import Alamofire +import CoreGraphics +import Foundation +import UIKit + +// MARK: Initialization + +private let lock = NSLock() + +extension UIImage: AlamofireExtended {} +extension AlamofireExtension where ExtendedType: UIImage { + /// Initializes and returns the image object with the specified data in a thread-safe manner. + /// + /// It has been reported that there are thread-safety issues when initializing large amounts of images + /// simultaneously. In the event of these issues occurring, this method can be used in place of + /// the `init?(data:)` method. + /// + /// - parameter data: The data object containing the image data. + /// + /// - returns: An initialized `UIImage` object, or `nil` if the method failed. + public static func threadSafeImage(with data: Data) -> UIImage? { + lock.lock() + let image = UIImage(data: data) + lock.unlock() + + return image + } + + /// Initializes and returns the image object with the specified data and scale in a thread-safe manner. + /// + /// It has been reported that there are thread-safety issues when initializing large amounts of images + /// simultaneously. In the event of these issues occurring, this method can be used in place of + /// the `init?(data:scale:)` method. + /// + /// - parameter data: The data object containing the image data. + /// - parameter scale: The scale factor to assume when interpreting the image data. Applying a scale factor of 1.0 + /// results in an image whose size matches the pixel-based dimensions of the image. Applying a + /// different scale factor changes the size of the image as reported by the size property. + /// + /// - returns: An initialized `UIImage` object, or `nil` if the method failed. + public static func threadSafeImage(with data: Data, scale: CGFloat) -> UIImage? { + lock.lock() + let image = UIImage(data: data, scale: scale) + lock.unlock() + + return image + } +} + +extension UIImage { + @available(*, deprecated, message: "Replaced by `UIImage.af.threadSafeImage(with:)`") + public static func af_threadSafeImage(with data: Data) -> UIImage? { + af.threadSafeImage(with: data) + } + + @available(*, deprecated, message: "Replaced by `UIImage.af.threadSafeImage(with:scale:)`") + public static func af_threadSafeImage(with data: Data, scale: CGFloat) -> UIImage? { + af.threadSafeImage(with: data, scale: scale) + } +} + +// MARK: - Inflation + +extension AlamofireExtension where ExtendedType: UIImage { + /// Returns whether the image is inflated. + public var isInflated: Bool { + get { + if let isInflated = objc_getAssociatedObject(type, &AssociatedKeys.isInflated) as? Bool { + return isInflated + } else { + return false + } + } + nonmutating set { + objc_setAssociatedObject(type, &AssociatedKeys.isInflated, newValue, .OBJC_ASSOCIATION_RETAIN_NONATOMIC) + } + } + + /// Inflates the underlying compressed image data to be backed by an uncompressed bitmap representation. + /// + /// Inflating compressed image formats (such as PNG or JPEG) can significantly improve drawing performance as it + /// allows a bitmap representation to be constructed in the background rather than on the main thread. + public func inflate() { + guard !isInflated else { return } + + isInflated = true + _ = type.cgImage?.dataProvider?.data + } +} + +extension UIImage { + @available(*, deprecated, message: "Replaced by `image.af.isInflated`") + public var af_inflated: Bool { + af.isInflated + } + + @available(*, deprecated, message: "Replaced by `image.af.inflate()`") + public func af_inflate() { + af.inflate() + } +} + +// MARK: - Alpha + +extension AlamofireExtension where ExtendedType: UIImage { + /// Returns whether the image contains an alpha component. + public var containsAlphaComponent: Bool { + let alphaInfo = type.cgImage?.alphaInfo + + return ( + alphaInfo == .first || + alphaInfo == .last || + alphaInfo == .premultipliedFirst || + alphaInfo == .premultipliedLast + ) + } + + /// Returns whether the image is opaque. + public var isOpaque: Bool { !containsAlphaComponent } +} + +extension UIImage { + @available(*, deprecated, message: "Replaced by `image.af.containsAlphaComponent`") + public var af_containsAlphaComponent: Bool { af.containsAlphaComponent } + + @available(*, deprecated, message: "Replaced by `image.af.isOpaque`") + public var af_isOpaque: Bool { af.isOpaque } +} + +// MARK: - Scaling + +extension AlamofireExtension where ExtendedType: UIImage { + /// Returns a new version of the image scaled to the specified size. + /// + /// - Parameters: + /// - size: The size to use when scaling the new image. + /// - scale: The scale to set for the new image. Defaults to `nil` which will maintain the current image scale. + /// + /// - Returns: The new image object. + public func imageScaled(to size: CGSize, scale: CGFloat? = nil) -> UIImage { + assert(size.width > 0 && size.height > 0, "You cannot safely scale an image to a zero width or height") + + UIGraphicsBeginImageContextWithOptions(size, isOpaque, scale ?? type.scale) + type.draw(in: CGRect(origin: .zero, size: size)) + + let scaledImage = UIGraphicsGetImageFromCurrentImageContext() ?? type + UIGraphicsEndImageContext() + + return scaledImage + } + + /// Returns a new version of the image scaled from the center while maintaining the aspect ratio to fit within + /// a specified size. + /// + /// The resulting image contains an alpha component used to pad the width or height with the necessary transparent + /// pixels to fit the specified size. In high performance critical situations, this may not be the optimal approach. + /// To maintain an opaque image, you could compute the `scaledSize` manually, then use the `af.imageScaledToSize` + /// method in conjunction with a `.Center` content mode to achieve the same visual result. + /// + /// - Parameters: + /// - size: The size to use when scaling the new image. + /// - scale: The scale to set for the new image. Defaults to `nil` which will maintain the current image scale. + /// + /// - Returns: A new image object. + public func imageAspectScaled(toFit size: CGSize, scale: CGFloat? = nil) -> UIImage { + assert(size.width > 0 && size.height > 0, "You cannot safely scale an image to a zero width or height") + + let imageAspectRatio = type.size.width / type.size.height + let canvasAspectRatio = size.width / size.height + + var resizeFactor: CGFloat + + if imageAspectRatio > canvasAspectRatio { + resizeFactor = size.width / type.size.width + } else { + resizeFactor = size.height / type.size.height + } + + let scaledSize = CGSize(width: type.size.width * resizeFactor, height: type.size.height * resizeFactor) + let origin = CGPoint(x: (size.width - scaledSize.width) / 2.0, y: (size.height - scaledSize.height) / 2.0) + + UIGraphicsBeginImageContextWithOptions(size, false, scale ?? type.scale) + type.draw(in: CGRect(origin: origin, size: scaledSize)) + + let scaledImage = UIGraphicsGetImageFromCurrentImageContext() ?? type + UIGraphicsEndImageContext() + + return scaledImage + } + + /// Returns a new version of the image scaled from the center while maintaining the aspect ratio to fill a + /// specified size. Any pixels that fall outside the specified size are clipped. + /// + /// - Parameters: + /// - size: The size to use when scaling the new image. + /// - scale: The scale to set for the new image. Defaults to `nil` which will maintain the current image scale. + /// + /// - Returns: A new image object. + public func imageAspectScaled(toFill size: CGSize, scale: CGFloat? = nil) -> UIImage { + assert(size.width > 0 && size.height > 0, "You cannot safely scale an image to a zero width or height") + + let imageAspectRatio = type.size.width / type.size.height + let canvasAspectRatio = size.width / size.height + + var resizeFactor: CGFloat + + if imageAspectRatio > canvasAspectRatio { + resizeFactor = size.height / type.size.height + } else { + resizeFactor = size.width / type.size.width + } + + let scaledSize = CGSize(width: type.size.width * resizeFactor, height: type.size.height * resizeFactor) + let origin = CGPoint(x: (size.width - scaledSize.width) / 2.0, y: (size.height - scaledSize.height) / 2.0) + + UIGraphicsBeginImageContextWithOptions(size, isOpaque, scale ?? type.scale) + type.draw(in: CGRect(origin: origin, size: scaledSize)) + + let scaledImage = UIGraphicsGetImageFromCurrentImageContext() ?? type + UIGraphicsEndImageContext() + + return scaledImage + } +} + +extension UIImage { + @available(*, deprecated, message: "Replaced by `image.af.imageScale(to:scale:)`") + public func af_imageScaled(to size: CGSize, scale: CGFloat? = nil) -> UIImage { + af.imageScaled(to: size, scale: scale) + } + + @available(*, deprecated, message: "Replaced by `image.af.imageAspectScale(toFit:scale:)`") + public func af_imageAspectScaled(toFit size: CGSize, scale: CGFloat? = nil) -> UIImage { + af.imageAspectScaled(toFit: size, scale: scale) + } + + @available(*, deprecated, message: "Replaced by `image.af.imageAspectScale(toFill:scale:)`") + public func af_imageAspectScaled(toFill size: CGSize, scale: CGFloat? = nil) -> UIImage { + af.imageAspectScaled(toFill: size, scale: scale) + } +} + +// MARK: - Rounded Corners + +extension AlamofireExtension where ExtendedType: UIImage { + /// Returns a new version of the image with the corners rounded to the specified radius. + /// + /// - Parameters: + /// - radius: The radius to use when rounding the new image. + /// - divideRadiusByImageScale: Whether to divide the radius by the image scale. Set to `true` when the image has + /// the same resolution for all screen scales such as @1x, @2x and @3x (i.e. single + /// image from web server). Set to `false` for images loaded from an asset catalog + /// with varying resolutions for each screen scale. `false` by default. + /// + /// - Returns: A new image object. + public func imageRounded(withCornerRadius radius: CGFloat, divideRadiusByImageScale: Bool = false) -> UIImage { + let size = type.size + let scale = type.scale + + UIGraphicsBeginImageContextWithOptions(size, false, scale) + + let scaledRadius = divideRadiusByImageScale ? radius / scale : radius + + let clippingPath = UIBezierPath(roundedRect: CGRect(origin: CGPoint.zero, size: size), cornerRadius: scaledRadius) + clippingPath.addClip() + + type.draw(in: CGRect(origin: CGPoint.zero, size: size)) + + let roundedImage = UIGraphicsGetImageFromCurrentImageContext()! + UIGraphicsEndImageContext() + + return roundedImage + } + + /// Returns a new version of the image rounded into a circle. + /// + /// - Returns: A new image object. + public func imageRoundedIntoCircle() -> UIImage { + let size = type.size + let radius = min(size.width, size.height) / 2.0 + var squareImage: UIImage = type + + if size.width != size.height { + let squareDimension = min(size.width, size.height) + let squareSize = CGSize(width: squareDimension, height: squareDimension) + squareImage = imageAspectScaled(toFill: squareSize) + } + + UIGraphicsBeginImageContextWithOptions(squareImage.size, false, type.scale) + + let clippingPath = UIBezierPath(roundedRect: CGRect(origin: CGPoint.zero, size: squareImage.size), + cornerRadius: radius) + + clippingPath.addClip() + + squareImage.draw(in: CGRect(origin: CGPoint.zero, size: squareImage.size)) + + let roundedImage = UIGraphicsGetImageFromCurrentImageContext()! + UIGraphicsEndImageContext() + + return roundedImage + } +} + +extension UIImage { + @available(*, deprecated, message: "Replaced by `image.af.imageRounded(withCornerRadius:divideRadiusByImageScale:)`") + public func af_imageRounded(withCornerRadius radius: CGFloat, divideRadiusByImageScale: Bool = false) -> UIImage { + af.imageRounded(withCornerRadius: radius, divideRadiusByImageScale: divideRadiusByImageScale) + } + + @available(*, deprecated, message: "Replaced by `image.af.imageRoundedIntoCircle()`") + public func af_imageRoundedIntoCircle() -> UIImage { + af.imageRoundedIntoCircle() + } +} + +#endif + +#if os(iOS) || os(tvOS) + +import CoreImage + +// MARK: - Core Image Filters + +extension AlamofireExtension where ExtendedType: UIImage { + /// Returns a new version of the image using a CoreImage filter with the specified name and parameters. + /// + /// - Parameters: + /// - name: The name of the CoreImage filter to use on the new image. + /// - parameters: The parameters to apply to the CoreImage filter. + /// + /// - Returns: A new image object, or `nil` if the filter failed for any reason. + public func imageFiltered(withCoreImageFilter name: String, parameters: [String: Any]? = nil) -> UIImage? { + var image: CoreImage.CIImage? = type.ciImage + + if image == nil, let CGImage = type.cgImage { + image = CoreImage.CIImage(cgImage: CGImage) + } + + guard let coreImage = image else { return nil } + + let context = CIContext(options: [.priorityRequestLow: true]) + + var parameters: [String: Any] = parameters ?? [:] + parameters[kCIInputImageKey] = coreImage + + guard let filter = CIFilter(name: name, parameters: parameters) else { return nil } + guard let outputImage = filter.outputImage else { return nil } + + let cgImageRef = context.createCGImage(outputImage, from: outputImage.extent) + + return UIImage(cgImage: cgImageRef!, scale: type.scale, orientation: type.imageOrientation) + } +} + +extension UIImage { + @available(*, deprecated, message: "Replaced by `image.af.imageFiltered(withCoreImageFilter:parameters:)`") + public func af_imageFiltered(withCoreImageFilter name: String, parameters: [String: Any]? = nil) -> UIImage? { + af.imageFiltered(withCoreImageFilter: name, parameters: parameters) + } +} + +#endif + +// MARK: - + +private struct AssociatedKeys { + static var isInflated = "UIImage.af.isInflated" +} diff --git a/Pods/AlamofireImage/Source/UIImageView+AlamofireImage.swift b/Pods/AlamofireImage/Source/UIImageView+AlamofireImage.swift new file mode 100644 index 0000000..3397af8 --- /dev/null +++ b/Pods/AlamofireImage/Source/UIImageView+AlamofireImage.swift @@ -0,0 +1,500 @@ +// +// UIImageView+AlamofireImage.swift +// +// Copyright (c) 2015 Alamofire Software Foundation (http://alamofire.org/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +import Alamofire +import Foundation + +#if os(iOS) || os(tvOS) + +import UIKit + +public typealias AnimationOptions = UIView.AnimationOptions + +extension UIImageView { + /// Used to wrap all `UIView` animation transition options alongside a duration. + public enum ImageTransition { + case noTransition + case crossDissolve(TimeInterval) + case curlDown(TimeInterval) + case curlUp(TimeInterval) + case flipFromBottom(TimeInterval) + case flipFromLeft(TimeInterval) + case flipFromRight(TimeInterval) + case flipFromTop(TimeInterval) + case custom(duration: TimeInterval, + animationOptions: AnimationOptions, + animations: (UIImageView, Image) -> Void, + completion: ((Bool) -> Void)?) + + /// The duration of the image transition in seconds. + public var duration: TimeInterval { + switch self { + case .noTransition: + return 0.0 + case let .crossDissolve(duration): + return duration + case let .curlDown(duration): + return duration + case let .curlUp(duration): + return duration + case let .flipFromBottom(duration): + return duration + case let .flipFromLeft(duration): + return duration + case let .flipFromRight(duration): + return duration + case let .flipFromTop(duration): + return duration + case let .custom(duration, _, _, _): + return duration + } + } + + /// The animation options of the image transition. + public var animationOptions: AnimationOptions { + switch self { + case .noTransition: + return [] + case .crossDissolve: + return .transitionCrossDissolve + case .curlDown: + return .transitionCurlDown + case .curlUp: + return .transitionCurlUp + case .flipFromBottom: + return .transitionFlipFromBottom + case .flipFromLeft: + return .transitionFlipFromLeft + case .flipFromRight: + return .transitionFlipFromRight + case .flipFromTop: + return .transitionFlipFromTop + case let .custom(_, animationOptions, _, _): + return animationOptions + } + } + + /// The animation options of the image transition. + public var animations: (UIImageView, Image) -> Void { + switch self { + case let .custom(_, _, animations, _): + return animations + default: + return { $0.image = $1 } + } + } + + /// The completion closure associated with the image transition. + public var completion: ((Bool) -> Void)? { + switch self { + case let .custom(_, _, _, completion): + return completion + default: + return nil + } + } + } +} + +// MARK: - + +extension UIImageView: AlamofireExtended {} +extension AlamofireExtension where ExtendedType: UIImageView { + // MARK: - Properties + + /// The instance image downloader used to download all images. If this property is `nil`, the `UIImageView` will + /// fallback on the `sharedImageDownloader` for all downloads. The most common use case for needing to use a custom + /// instance image downloader is when images are behind different basic auth credentials. + public var imageDownloader: ImageDownloader? { + get { + objc_getAssociatedObject(type, &AssociatedKeys.imageDownloader) as? ImageDownloader + } + nonmutating set(downloader) { + objc_setAssociatedObject(type, &AssociatedKeys.imageDownloader, downloader, .OBJC_ASSOCIATION_RETAIN_NONATOMIC) + } + } + + /// The shared image downloader used to download all images. By default, this is the default `ImageDownloader` + /// instance backed with an `AutoPurgingImageCache` which automatically evicts images from the cache when the memory + /// capacity is reached or memory warning notifications occur. The shared image downloader is only used if the + /// `imageDownloader` is `nil`. + public static var sharedImageDownloader: ImageDownloader { + get { + if let downloader = objc_getAssociatedObject(UIImageView.self, &AssociatedKeys.sharedImageDownloader) as? ImageDownloader { + return downloader + } else { + return ImageDownloader.default + } + } + set { + objc_setAssociatedObject(UIImageView.self, &AssociatedKeys.sharedImageDownloader, newValue, .OBJC_ASSOCIATION_RETAIN_NONATOMIC) + } + } + + var activeRequestReceipt: RequestReceipt? { + get { + objc_getAssociatedObject(type, &AssociatedKeys.activeRequestReceipt) as? RequestReceipt + } + nonmutating set { + objc_setAssociatedObject(type, &AssociatedKeys.activeRequestReceipt, newValue, .OBJC_ASSOCIATION_RETAIN_NONATOMIC) + } + } + + // MARK: - Image Download + + /// Asynchronously downloads an image from the specified URL, applies the specified image filter to the downloaded + /// image and sets it once finished while executing the image transition. + /// + /// If the image is cached locally, the image is set immediately. Otherwise the specified placeholder image will be + /// set immediately, and then the remote image will be set once the image request is finished. + /// + /// The `completion` closure is called after the image download and filtering are complete, but before the start of + /// the image transition. Please note it is no longer the responsibility of the `completion` closure to set the + /// image. It will be set automatically. If you require a second notification after the image transition completes, + /// use a `.Custom` image transition with a `completion` closure. The `.Custom` `completion` closure is called when + /// the image transition is finished. + /// + /// - parameter url: The URL used for the image request. + /// - parameter cacheKey: An optional key used to identify the image in the cache. Defaults + /// to `nil`. + /// - parameter placeholderImage: The image to be set initially until the image request finished. If + /// `nil`, the image view will not change its image until the image + /// request finishes. Defaults to `nil`. + /// - parameter serializer: Image response serializer used to convert the image data to `UIImage`. + /// Defaults to `nil` which will fall back to the + /// instance `imageResponseSerializer` set on the `ImageDownloader`. + /// - parameter filter: The image filter applied to the image after the image request is + /// finished. Defaults to `nil`. + /// - parameter progress: The closure to be executed periodically during the lifecycle of the + /// request. Defaults to `nil`. + /// - parameter progressQueue: The dispatch queue to call the progress closure on. Defaults to the + /// main queue. + /// - parameter imageTransition: The image transition animation applied to the image when set. + /// Defaults to `.None`. + /// - parameter runImageTransitionIfCached: Whether to run the image transition if the image is cached. Defaults + /// to `false`. + /// - parameter completion: A closure to be executed when the image request finishes. The closure + /// has no return value and takes three arguments: the original request, + /// the response from the server and the result containing either the + /// image or the error that occurred. If the image was returned from the + /// image cache, the response will be `nil`. Defaults to `nil`. + public func setImage(withURL url: URL, + cacheKey: String? = nil, + placeholderImage: UIImage? = nil, + serializer: ImageResponseSerializer? = nil, + filter: ImageFilter? = nil, + progress: ImageDownloader.ProgressHandler? = nil, + progressQueue: DispatchQueue = DispatchQueue.main, + imageTransition: UIImageView.ImageTransition = .noTransition, + runImageTransitionIfCached: Bool = false, + completion: ((AFIDataResponse) -> Void)? = nil) { + setImage(withURLRequest: urlRequest(with: url), + cacheKey: cacheKey, + placeholderImage: placeholderImage, + serializer: serializer, + filter: filter, + progress: progress, + progressQueue: progressQueue, + imageTransition: imageTransition, + runImageTransitionIfCached: runImageTransitionIfCached, + completion: completion) + } + + /// Asynchronously downloads an image from the specified URL Request, applies the specified image filter to the downloaded + /// image and sets it once finished while executing the image transition. + /// + /// If the image is cached locally, the image is set immediately. Otherwise the specified placeholder image will be + /// set immediately, and then the remote image will be set once the image request is finished. + /// + /// The `completion` closure is called after the image download and filtering are complete, but before the start of + /// the image transition. Please note it is no longer the responsibility of the `completion` closure to set the + /// image. It will be set automatically. If you require a second notification after the image transition completes, + /// use a `.Custom` image transition with a `completion` closure. The `.Custom` `completion` closure is called when + /// the image transition is finished. + /// + /// - parameter urlRequest: The URL request. + /// - parameter cacheKey: An optional key used to identify the image in the cache. Defaults + /// to `nil`. + /// - parameter placeholderImage: The image to be set initially until the image request finished. If + /// `nil`, the image view will not change its image until the image + /// request finishes. Defaults to `nil`. + /// - parameter serializer: Image response serializer used to convert the image data to `UIImage`. + /// Defaults to `nil` which will fall back to the + /// instance `imageResponseSerializer` set on the `ImageDownloader`. + /// - parameter filter: The image filter applied to the image after the image request is + /// finished. Defaults to `nil`. + /// - parameter progress: The closure to be executed periodically during the lifecycle of the + /// request. Defaults to `nil`. + /// - parameter progressQueue: The dispatch queue to call the progress closure on. Defaults to the + /// main queue. + /// - parameter imageTransition: The image transition animation applied to the image when set. + /// Defaults to `.None`. + /// - parameter runImageTransitionIfCached: Whether to run the image transition if the image is cached. Defaults + /// to `false`. + /// - parameter completion: A closure to be executed when the image request finishes. The closure + /// has no return value and takes three arguments: the original request, + /// the response from the server and the result containing either the + /// image or the error that occurred. If the image was returned from the + /// image cache, the response will be `nil`. Defaults to `nil`. + public func setImage(withURLRequest urlRequest: URLRequestConvertible, + cacheKey: String? = nil, + placeholderImage: UIImage? = nil, + serializer: ImageResponseSerializer? = nil, + filter: ImageFilter? = nil, + progress: ImageDownloader.ProgressHandler? = nil, + progressQueue: DispatchQueue = DispatchQueue.main, + imageTransition: UIImageView.ImageTransition = .noTransition, + runImageTransitionIfCached: Bool = false, + completion: ((AFIDataResponse) -> Void)? = nil) { + guard !isURLRequestURLEqualToActiveRequestURL(urlRequest) else { + let response = AFIDataResponse(request: nil, + response: nil, + data: nil, + metrics: nil, + serializationDuration: 0.0, + result: .failure(AFIError.requestCancelled)) + + completion?(response) + + return + } + + cancelImageRequest() + + let imageDownloader = self.imageDownloader ?? UIImageView.af.sharedImageDownloader + let imageCache = imageDownloader.imageCache + + // Use the image from the image cache if it exists + if let request = urlRequest.urlRequest { + let cachedImage: Image? + + if let cacheKey = cacheKey { + cachedImage = imageCache?.image(withIdentifier: cacheKey) + } else { + cachedImage = imageCache?.image(for: request, withIdentifier: filter?.identifier) + } + + if let image = cachedImage { + let response = AFIDataResponse(request: request, + response: nil, + data: nil, + metrics: nil, + serializationDuration: 0.0, + result: .success(image)) + + if runImageTransitionIfCached { + // It's important to display the placeholder image again otherwise you have some odd disparity + // between the request loading from the cache and those that download. It's important to keep + // the same behavior between both, otherwise the user can actually see the difference. + if let placeholderImage = placeholderImage { type.image = placeholderImage } + + // Need to let the runloop cycle for the placeholder image to take affect + DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(1)) { + // Added this additional check to ensure another request didn't get in during the delay + guard self.activeRequestReceipt == nil else { return } + + self.run(imageTransition, with: image) + completion?(response) + } + } else { + type.image = image + completion?(response) + } + + return + } + } + + // Set the placeholder since we're going to have to download + if let placeholderImage = placeholderImage { type.image = placeholderImage } + + // Generate a unique download id to check whether the active request has changed while downloading + let downloadID = UUID().uuidString + + // Weakify the image view to allow it to go out-of-memory while download is running if deallocated + weak var imageView = type + + // Download the image, then run the image transition or completion handler + let requestReceipt = imageDownloader.download(urlRequest, + cacheKey: cacheKey, + receiptID: downloadID, + serializer: serializer, + filter: filter, + progress: progress, + progressQueue: progressQueue, + completion: { response in + guard + let strongSelf = imageView?.af, + strongSelf.isURLRequestURLEqualToActiveRequestURL(response.request) && + strongSelf.activeRequestReceipt?.receiptID == downloadID + else { + completion?(response) + return + } + + if case let .success(image) = response.result { + strongSelf.run(imageTransition, with: image) + } + + strongSelf.activeRequestReceipt = nil + + completion?(response) + }) + + activeRequestReceipt = requestReceipt + } + + // MARK: - Image Download Cancellation + + /// Cancels the active download request, if one exists. + public func cancelImageRequest() { + guard let activeRequestReceipt = activeRequestReceipt else { return } + + let imageDownloader = self.imageDownloader ?? UIImageView.af.sharedImageDownloader + imageDownloader.cancelRequest(with: activeRequestReceipt) + + self.activeRequestReceipt = nil + } + + // MARK: - Image Transition + + /// Runs the image transition on the image view with the specified image. + /// + /// - parameter imageTransition: The image transition to ran on the image view. + /// - parameter image: The image to use for the image transition. + public func run(_ imageTransition: UIImageView.ImageTransition, with image: Image) { + let imageView = type + + UIView.transition(with: type, + duration: imageTransition.duration, + options: imageTransition.animationOptions, + animations: { imageTransition.animations(imageView, image) }, + completion: imageTransition.completion) + } + + // MARK: - Private - URL Request Helper Methods + + private func urlRequest(with url: URL) -> URLRequest { + var urlRequest = URLRequest(url: url) + + for mimeType in ImageResponseSerializer.acceptableImageContentTypes { + urlRequest.addValue(mimeType, forHTTPHeaderField: "Accept") + } + + return urlRequest + } + + private func isURLRequestURLEqualToActiveRequestURL(_ urlRequest: URLRequestConvertible?) -> Bool { + if + let currentRequestURL = activeRequestReceipt?.request.task?.originalRequest?.url, + let requestURL = urlRequest?.urlRequest?.url, + currentRequestURL == requestURL { + return true + } + + return false + } +} + +// MARK: - Deprecated + +extension UIImageView { + @available(*, deprecated, message: "Replaced by `imageView.af.imageDownloader`") + public var af_imageDownloader: ImageDownloader? { + get { af.imageDownloader } + set { af.imageDownloader = newValue } + } + + @available(*, deprecated, message: "Replaced by `imageView.af.sharedImageDownloader`") + public class var af_sharedImageDownloader: ImageDownloader { + get { af.sharedImageDownloader } + set { af.sharedImageDownloader = newValue } + } + + @available(*, deprecated, message: "Replaced by `imageView.af.setImage(withURL: ...)`") + public func af_setImage(withURL url: URL, + cacheKey: String? = nil, + placeholderImage: UIImage? = nil, + serializer: ImageResponseSerializer? = nil, + filter: ImageFilter? = nil, + progress: ImageDownloader.ProgressHandler? = nil, + progressQueue: DispatchQueue = DispatchQueue.main, + imageTransition: ImageTransition = .noTransition, + runImageTransitionIfCached: Bool = false, + completion: ((AFIDataResponse) -> Void)? = nil) { + af.setImage(withURL: url, + cacheKey: cacheKey, + placeholderImage: placeholderImage, + serializer: serializer, + filter: filter, + progress: progress, + progressQueue: progressQueue, + imageTransition: imageTransition, + runImageTransitionIfCached: runImageTransitionIfCached, + completion: completion) + } + + @available(*, deprecated, message: "Replaced by `imageView.af.setImage(withURLRequest: ...)`") + public func af_setImage(withURLRequest urlRequest: URLRequestConvertible, + cacheKey: String? = nil, + placeholderImage: UIImage? = nil, + serializer: ImageResponseSerializer? = nil, + filter: ImageFilter? = nil, + progress: ImageDownloader.ProgressHandler? = nil, + progressQueue: DispatchQueue = DispatchQueue.main, + imageTransition: ImageTransition = .noTransition, + runImageTransitionIfCached: Bool = false, + completion: ((AFIDataResponse) -> Void)? = nil) { + af.setImage(withURLRequest: urlRequest, + cacheKey: cacheKey, + placeholderImage: placeholderImage, + serializer: serializer, + filter: filter, + progress: progress, + progressQueue: progressQueue, + imageTransition: imageTransition, + runImageTransitionIfCached: runImageTransitionIfCached, + completion: completion) + } + + @available(*, deprecated, message: "Replaced by `imageView.af.cancelImageRequest()`") + public func af_cancelImageRequest() { + af.cancelImageRequest() + } + + @available(*, deprecated, message: "Replaced by `imageView.af.run(_:with:)`") + public func run(_ imageTransition: ImageTransition, with image: Image) { + af.run(imageTransition, with: image) + } +} + +// MARK: - + +private struct AssociatedKeys { + static var imageDownloader = "UIImageView.af.imageDownloader" + static var sharedImageDownloader = "UIImageView.af.sharedImageDownloader" + static var activeRequestReceipt = "UIImageView.af.activeRequestReceipt" +} + +#endif diff --git a/Pods/Manifest.lock b/Pods/Manifest.lock new file mode 100644 index 0000000..a76c1d0 --- /dev/null +++ b/Pods/Manifest.lock @@ -0,0 +1,21 @@ +PODS: + - Alamofire (5.2.0) + - AlamofireImage (4.1.0): + - Alamofire (~> 5.1) + +DEPENDENCIES: + - Alamofire (~> 5.2) + - AlamofireImage (~> 4.1) + +SPEC REPOS: + trunk: + - Alamofire + - AlamofireImage + +SPEC CHECKSUMS: + Alamofire: c1ca147559e730bfb2182c8c7aafbdd90a867987 + AlamofireImage: c4a2ba349885fb3064feb74d2e547bd42ce9be10 + +PODFILE CHECKSUM: 400959b3ab582d7f2aa0726381241dbe16dcd78d + +COCOAPODS: 1.8.4 diff --git a/Pods/Pods.xcodeproj/project.pbxproj b/Pods/Pods.xcodeproj/project.pbxproj new file mode 100644 index 0000000..cf9e0ec --- /dev/null +++ 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Release */, + ); + defaultConfigurationIsVisible = 0; + defaultConfigurationName = Release; + }; + 78E219AC01CD5AFED663C9AB28280801 /* Build configuration list for PBXNativeTarget "Alamofire" */ = { + isa = XCConfigurationList; + buildConfigurations = ( + 576B85B079792698FCB984320040882A /* Debug */, + F967DC98C228D739DD7CA8D42896EBC5 /* Release */, + ); + defaultConfigurationIsVisible = 0; + defaultConfigurationName = Release; + }; + BEEEF708B928B0B6B7176B5605761882 /* Build configuration list for PBXNativeTarget "Pods-GitIssues" */ = { + isa = XCConfigurationList; + buildConfigurations = ( + 79C8067E54515AF93003B8830EB97305 /* Debug */, + A71EC1A318C2F1F9760B087F7F47022A /* Release */, + ); + defaultConfigurationIsVisible = 0; + defaultConfigurationName = Release; + }; +/* End XCConfigurationList section */ + }; + rootObject = BFDFE7DC352907FC980B868725387E98 /* Project object */; +} diff --git a/Pods/Pods.xcodeproj/xcuserdata/brenner.xcuserdatad/xcschemes/Alamofire.xcscheme b/Pods/Pods.xcodeproj/xcuserdata/brenner.xcuserdatad/xcschemes/Alamofire.xcscheme new file mode 100644 index 0000000..bc06c13 --- /dev/null +++ b/Pods/Pods.xcodeproj/xcuserdata/brenner.xcuserdatad/xcschemes/Alamofire.xcscheme @@ -0,0 +1,60 @@ + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/Pods/Pods.xcodeproj/xcuserdata/brenner.xcuserdatad/xcschemes/AlamofireImage.xcscheme b/Pods/Pods.xcodeproj/xcuserdata/brenner.xcuserdatad/xcschemes/AlamofireImage.xcscheme new file mode 100644 index 0000000..e10dc16 --- /dev/null +++ b/Pods/Pods.xcodeproj/xcuserdata/brenner.xcuserdatad/xcschemes/AlamofireImage.xcscheme @@ -0,0 +1,60 @@ + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/Pods/Pods.xcodeproj/xcuserdata/brenner.xcuserdatad/xcschemes/Pods-GitIssues.xcscheme b/Pods/Pods.xcodeproj/xcuserdata/brenner.xcuserdatad/xcschemes/Pods-GitIssues.xcscheme new file mode 100644 index 0000000..1f05cfc --- /dev/null +++ b/Pods/Pods.xcodeproj/xcuserdata/brenner.xcuserdatad/xcschemes/Pods-GitIssues.xcscheme @@ -0,0 +1,58 @@ + + + + + + + + + + + + + + + + + + + + + + + diff --git a/Pods/Pods.xcodeproj/xcuserdata/brenner.xcuserdatad/xcschemes/xcschememanagement.plist b/Pods/Pods.xcodeproj/xcuserdata/brenner.xcuserdatad/xcschemes/xcschememanagement.plist new file mode 100644 index 0000000..1d46963 --- /dev/null +++ b/Pods/Pods.xcodeproj/xcuserdata/brenner.xcuserdatad/xcschemes/xcschememanagement.plist @@ -0,0 +1,32 @@ + + + + + SchemeUserState + + Alamofire.xcscheme + + isShown + + orderHint + 0 + + AlamofireImage.xcscheme + + isShown + + orderHint + 1 + + Pods-GitIssues.xcscheme + + isShown + + orderHint + 2 + + + SuppressBuildableAutocreation + + + diff --git a/Pods/Target Support Files/Alamofire/Alamofire-Info.plist b/Pods/Target Support Files/Alamofire/Alamofire-Info.plist new file mode 100644 index 0000000..82c355f --- /dev/null +++ b/Pods/Target Support Files/Alamofire/Alamofire-Info.plist @@ -0,0 +1,26 @@ + + + + + CFBundleDevelopmentRegion + en + CFBundleExecutable + ${EXECUTABLE_NAME} + CFBundleIdentifier + ${PRODUCT_BUNDLE_IDENTIFIER} + CFBundleInfoDictionaryVersion + 6.0 + CFBundleName + ${PRODUCT_NAME} + CFBundlePackageType + FMWK + CFBundleShortVersionString + 5.2.0 + CFBundleSignature + ???? + CFBundleVersion + ${CURRENT_PROJECT_VERSION} + NSPrincipalClass + + + diff --git a/Pods/Target Support Files/Alamofire/Alamofire-dummy.m b/Pods/Target Support Files/Alamofire/Alamofire-dummy.m new file mode 100644 index 0000000..a6c4594 --- /dev/null +++ b/Pods/Target Support Files/Alamofire/Alamofire-dummy.m @@ -0,0 +1,5 @@ +#import +@interface PodsDummy_Alamofire : NSObject +@end +@implementation PodsDummy_Alamofire +@end diff --git a/Pods/Target Support Files/Alamofire/Alamofire-prefix.pch b/Pods/Target Support Files/Alamofire/Alamofire-prefix.pch new file mode 100644 index 0000000..beb2a24 --- /dev/null +++ b/Pods/Target Support Files/Alamofire/Alamofire-prefix.pch @@ -0,0 +1,12 @@ +#ifdef __OBJC__ +#import +#else +#ifndef FOUNDATION_EXPORT +#if defined(__cplusplus) +#define FOUNDATION_EXPORT extern "C" +#else +#define FOUNDATION_EXPORT extern +#endif +#endif +#endif + diff --git a/Pods/Target Support Files/Alamofire/Alamofire-umbrella.h b/Pods/Target Support Files/Alamofire/Alamofire-umbrella.h new file mode 100644 index 0000000..00014e3 --- /dev/null +++ b/Pods/Target Support Files/Alamofire/Alamofire-umbrella.h @@ -0,0 +1,16 @@ +#ifdef __OBJC__ +#import +#else +#ifndef FOUNDATION_EXPORT +#if defined(__cplusplus) +#define FOUNDATION_EXPORT extern "C" +#else +#define FOUNDATION_EXPORT extern +#endif +#endif +#endif + + +FOUNDATION_EXPORT double AlamofireVersionNumber; +FOUNDATION_EXPORT const unsigned char AlamofireVersionString[]; + diff --git a/Pods/Target Support Files/Alamofire/Alamofire.modulemap b/Pods/Target Support Files/Alamofire/Alamofire.modulemap new file mode 100644 index 0000000..d1f125f --- /dev/null +++ b/Pods/Target Support Files/Alamofire/Alamofire.modulemap @@ -0,0 +1,6 @@ +framework module Alamofire { + umbrella header "Alamofire-umbrella.h" + + export * + module * { export * } +} diff --git a/Pods/Target Support Files/Alamofire/Alamofire.xcconfig b/Pods/Target Support Files/Alamofire/Alamofire.xcconfig new file mode 100644 index 0000000..385cdcf --- /dev/null +++ b/Pods/Target Support Files/Alamofire/Alamofire.xcconfig @@ -0,0 +1,11 @@ +CONFIGURATION_BUILD_DIR = ${PODS_CONFIGURATION_BUILD_DIR}/Alamofire +GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1 +OTHER_LDFLAGS = $(inherited) -framework "CFNetwork" +OTHER_SWIFT_FLAGS = $(inherited) -D COCOAPODS +PODS_BUILD_DIR = ${BUILD_DIR} +PODS_CONFIGURATION_BUILD_DIR = ${PODS_BUILD_DIR}/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME) +PODS_ROOT = ${SRCROOT} +PODS_TARGET_SRCROOT = ${PODS_ROOT}/Alamofire +PRODUCT_BUNDLE_IDENTIFIER = org.cocoapods.${PRODUCT_NAME:rfc1034identifier} +SKIP_INSTALL = YES +USE_RECURSIVE_SCRIPT_INPUTS_IN_SCRIPT_PHASES = YES diff --git a/Pods/Target Support Files/AlamofireImage/AlamofireImage-Info.plist b/Pods/Target Support Files/AlamofireImage/AlamofireImage-Info.plist new file mode 100644 index 0000000..c26f36f --- /dev/null +++ b/Pods/Target Support Files/AlamofireImage/AlamofireImage-Info.plist @@ -0,0 +1,26 @@ + + + + + CFBundleDevelopmentRegion + en + CFBundleExecutable + ${EXECUTABLE_NAME} + CFBundleIdentifier + ${PRODUCT_BUNDLE_IDENTIFIER} + CFBundleInfoDictionaryVersion + 6.0 + CFBundleName + ${PRODUCT_NAME} + CFBundlePackageType + FMWK + CFBundleShortVersionString + 4.1.0 + CFBundleSignature + ???? + CFBundleVersion + ${CURRENT_PROJECT_VERSION} + NSPrincipalClass + + + diff --git a/Pods/Target Support Files/AlamofireImage/AlamofireImage-dummy.m b/Pods/Target Support Files/AlamofireImage/AlamofireImage-dummy.m new file mode 100644 index 0000000..ff0744b --- /dev/null +++ b/Pods/Target Support Files/AlamofireImage/AlamofireImage-dummy.m @@ -0,0 +1,5 @@ +#import +@interface PodsDummy_AlamofireImage : NSObject +@end +@implementation PodsDummy_AlamofireImage +@end diff --git a/Pods/Target Support Files/AlamofireImage/AlamofireImage-prefix.pch b/Pods/Target Support Files/AlamofireImage/AlamofireImage-prefix.pch new file mode 100644 index 0000000..beb2a24 --- /dev/null +++ b/Pods/Target Support Files/AlamofireImage/AlamofireImage-prefix.pch @@ -0,0 +1,12 @@ +#ifdef __OBJC__ +#import +#else +#ifndef FOUNDATION_EXPORT +#if defined(__cplusplus) +#define FOUNDATION_EXPORT extern "C" +#else +#define FOUNDATION_EXPORT extern +#endif +#endif +#endif + diff --git a/Pods/Target Support Files/AlamofireImage/AlamofireImage-umbrella.h b/Pods/Target Support Files/AlamofireImage/AlamofireImage-umbrella.h new file mode 100644 index 0000000..483fa10 --- /dev/null +++ b/Pods/Target Support Files/AlamofireImage/AlamofireImage-umbrella.h @@ -0,0 +1,16 @@ +#ifdef __OBJC__ +#import +#else +#ifndef FOUNDATION_EXPORT +#if defined(__cplusplus) +#define FOUNDATION_EXPORT extern "C" +#else +#define FOUNDATION_EXPORT extern +#endif +#endif +#endif + + +FOUNDATION_EXPORT double AlamofireImageVersionNumber; +FOUNDATION_EXPORT const unsigned char AlamofireImageVersionString[]; + diff --git a/Pods/Target Support Files/AlamofireImage/AlamofireImage.modulemap b/Pods/Target Support Files/AlamofireImage/AlamofireImage.modulemap new file mode 100644 index 0000000..d43423a --- /dev/null +++ b/Pods/Target Support Files/AlamofireImage/AlamofireImage.modulemap @@ -0,0 +1,6 @@ +framework module AlamofireImage { + umbrella header "AlamofireImage-umbrella.h" + + export * + module * { export * } +} diff --git a/Pods/Target Support Files/AlamofireImage/AlamofireImage.xcconfig b/Pods/Target Support Files/AlamofireImage/AlamofireImage.xcconfig new file mode 100644 index 0000000..9fc78b3 --- /dev/null +++ b/Pods/Target Support Files/AlamofireImage/AlamofireImage.xcconfig @@ -0,0 +1,11 @@ +CONFIGURATION_BUILD_DIR = ${PODS_CONFIGURATION_BUILD_DIR}/AlamofireImage +FRAMEWORK_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/Alamofire" +GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1 +OTHER_SWIFT_FLAGS = $(inherited) -D COCOAPODS +PODS_BUILD_DIR = ${BUILD_DIR} +PODS_CONFIGURATION_BUILD_DIR = ${PODS_BUILD_DIR}/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME) +PODS_ROOT = ${SRCROOT} +PODS_TARGET_SRCROOT = ${PODS_ROOT}/AlamofireImage +PRODUCT_BUNDLE_IDENTIFIER = org.cocoapods.${PRODUCT_NAME:rfc1034identifier} +SKIP_INSTALL = YES +USE_RECURSIVE_SCRIPT_INPUTS_IN_SCRIPT_PHASES = YES diff --git a/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-Info.plist b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-Info.plist new file mode 100644 index 0000000..2243fe6 --- /dev/null +++ b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-Info.plist @@ -0,0 +1,26 @@ + + + + + CFBundleDevelopmentRegion + en + CFBundleExecutable + ${EXECUTABLE_NAME} + CFBundleIdentifier + ${PRODUCT_BUNDLE_IDENTIFIER} + CFBundleInfoDictionaryVersion + 6.0 + CFBundleName + ${PRODUCT_NAME} + CFBundlePackageType + FMWK + CFBundleShortVersionString + 1.0.0 + CFBundleSignature + ???? + CFBundleVersion + ${CURRENT_PROJECT_VERSION} + NSPrincipalClass + + + diff --git a/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-acknowledgements.markdown b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-acknowledgements.markdown new file mode 100644 index 0000000..b15cc34 --- /dev/null +++ b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-acknowledgements.markdown @@ -0,0 +1,49 @@ +# Acknowledgements +This application makes use of the following third party libraries: + +## Alamofire + +Copyright (c) 2014-2020 Alamofire Software Foundation (http://alamofire.org/) + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. + + +## AlamofireImage + +Copyright (c) 2015 Alamofire Software Foundation (http://alamofire.org/) + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. + +Generated by CocoaPods - https://cocoapods.org diff --git a/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-acknowledgements.plist b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-acknowledgements.plist new file mode 100644 index 0000000..0a473f5 --- /dev/null +++ b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-acknowledgements.plist @@ -0,0 +1,87 @@ + + + + + PreferenceSpecifiers + + + FooterText + This application makes use of the following third party libraries: + Title + Acknowledgements + Type + PSGroupSpecifier + + + FooterText + Copyright (c) 2014-2020 Alamofire Software Foundation (http://alamofire.org/) + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. + + License + MIT + Title + Alamofire + Type + PSGroupSpecifier + + + FooterText + Copyright (c) 2015 Alamofire Software Foundation (http://alamofire.org/) + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. + + License + MIT + Title + AlamofireImage + Type + PSGroupSpecifier + + + FooterText + Generated by CocoaPods - https://cocoapods.org + Title + + Type + PSGroupSpecifier + + + StringsTable + Acknowledgements + Title + Acknowledgements + + diff --git a/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-dummy.m b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-dummy.m new file mode 100644 index 0000000..af5fe7d --- /dev/null +++ b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-dummy.m @@ -0,0 +1,5 @@ +#import +@interface PodsDummy_Pods_GitIssues : NSObject +@end +@implementation PodsDummy_Pods_GitIssues +@end diff --git a/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-frameworks-Debug-input-files.xcfilelist b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-frameworks-Debug-input-files.xcfilelist new file mode 100644 index 0000000..1d0362e --- /dev/null +++ b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-frameworks-Debug-input-files.xcfilelist @@ -0,0 +1,3 @@ +${PODS_ROOT}/Target Support Files/Pods-GitIssues/Pods-GitIssues-frameworks.sh +${BUILT_PRODUCTS_DIR}/Alamofire/Alamofire.framework +${BUILT_PRODUCTS_DIR}/AlamofireImage/AlamofireImage.framework \ No newline at end of file diff --git a/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-frameworks-Debug-output-files.xcfilelist b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-frameworks-Debug-output-files.xcfilelist new file mode 100644 index 0000000..adea6a0 --- /dev/null +++ b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-frameworks-Debug-output-files.xcfilelist @@ -0,0 +1,2 @@ +${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/Alamofire.framework +${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/AlamofireImage.framework \ No newline at end of file diff --git a/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-frameworks-Release-input-files.xcfilelist b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-frameworks-Release-input-files.xcfilelist new file mode 100644 index 0000000..1d0362e --- /dev/null +++ b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-frameworks-Release-input-files.xcfilelist @@ -0,0 +1,3 @@ +${PODS_ROOT}/Target Support Files/Pods-GitIssues/Pods-GitIssues-frameworks.sh +${BUILT_PRODUCTS_DIR}/Alamofire/Alamofire.framework +${BUILT_PRODUCTS_DIR}/AlamofireImage/AlamofireImage.framework \ No newline at end of file diff --git a/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-frameworks-Release-output-files.xcfilelist b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-frameworks-Release-output-files.xcfilelist new file mode 100644 index 0000000..adea6a0 --- /dev/null +++ b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-frameworks-Release-output-files.xcfilelist @@ -0,0 +1,2 @@ +${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/Alamofire.framework +${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/AlamofireImage.framework \ No newline at end of file diff --git a/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-frameworks.sh b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-frameworks.sh new file mode 100755 index 0000000..ce52623 --- /dev/null +++ b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-frameworks.sh @@ -0,0 +1,173 @@ +#!/bin/sh +set -e +set -u +set -o pipefail + +function on_error { + echo "$(realpath -mq "${0}"):$1: error: Unexpected failure" +} +trap 'on_error $LINENO' ERR + +if [ -z ${FRAMEWORKS_FOLDER_PATH+x} ]; then + # If FRAMEWORKS_FOLDER_PATH is not set, then there's nowhere for us to copy + # frameworks to, so exit 0 (signalling the script phase was successful). + exit 0 +fi + +echo "mkdir -p ${CONFIGURATION_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}" +mkdir -p "${CONFIGURATION_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}" + +COCOAPODS_PARALLEL_CODE_SIGN="${COCOAPODS_PARALLEL_CODE_SIGN:-false}" +SWIFT_STDLIB_PATH="${DT_TOOLCHAIN_DIR}/usr/lib/swift/${PLATFORM_NAME}" + +# Used as a return value for each invocation of `strip_invalid_archs` function. +STRIP_BINARY_RETVAL=0 + +# This protects against multiple targets copying the same framework dependency at the same time. The solution +# was originally proposed here: https://lists.samba.org/archive/rsync/2008-February/020158.html +RSYNC_PROTECT_TMP_FILES=(--filter "P .*.??????") + +# Copies and strips a vendored framework +install_framework() +{ + if [ -r "${BUILT_PRODUCTS_DIR}/$1" ]; then + local source="${BUILT_PRODUCTS_DIR}/$1" + elif [ -r "${BUILT_PRODUCTS_DIR}/$(basename "$1")" ]; then + local source="${BUILT_PRODUCTS_DIR}/$(basename "$1")" + elif [ -r "$1" ]; then + local source="$1" + fi + + local destination="${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}" + + if [ -L "${source}" ]; then + echo "Symlinked..." + source="$(readlink "${source}")" + fi + + # Use filter instead of exclude so missing patterns don't throw errors. + echo "rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter \"- CVS/\" --filter \"- .svn/\" --filter \"- .git/\" --filter \"- .hg/\" --filter \"- Headers\" --filter \"- PrivateHeaders\" --filter \"- Modules\" \"${source}\" \"${destination}\"" + rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter "- CVS/" --filter "- .svn/" --filter "- .git/" --filter "- .hg/" --filter "- Headers" --filter "- PrivateHeaders" --filter "- Modules" "${source}" "${destination}" + + local basename + basename="$(basename -s .framework "$1")" + binary="${destination}/${basename}.framework/${basename}" + + if ! [ -r "$binary" ]; then + binary="${destination}/${basename}" + elif [ -L "${binary}" ]; then + echo "Destination binary is symlinked..." + dirname="$(dirname "${binary}")" + binary="${dirname}/$(readlink "${binary}")" + fi + + # Strip invalid architectures so "fat" simulator / device frameworks work on device + if [[ "$(file "$binary")" == *"dynamically linked shared library"* ]]; then + strip_invalid_archs "$binary" + fi + + # Resign the code if required by the build settings to avoid unstable apps + code_sign_if_enabled "${destination}/$(basename "$1")" + + # Embed linked Swift runtime libraries. No longer necessary as of Xcode 7. + if [ "${XCODE_VERSION_MAJOR}" -lt 7 ]; then + local swift_runtime_libs + swift_runtime_libs=$(xcrun otool -LX "$binary" | grep --color=never @rpath/libswift | sed -E s/@rpath\\/\(.+dylib\).*/\\1/g | uniq -u) + for lib in $swift_runtime_libs; do + echo "rsync -auv \"${SWIFT_STDLIB_PATH}/${lib}\" \"${destination}\"" + rsync -auv "${SWIFT_STDLIB_PATH}/${lib}" "${destination}" + code_sign_if_enabled "${destination}/${lib}" + done + fi +} + +# Copies and strips a vendored dSYM +install_dsym() { + local source="$1" + if [ -r "$source" ]; then + # Copy the dSYM into a the targets temp dir. + echo "rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter \"- CVS/\" --filter \"- .svn/\" --filter \"- .git/\" --filter \"- .hg/\" --filter \"- Headers\" --filter \"- PrivateHeaders\" --filter \"- Modules\" \"${source}\" \"${DERIVED_FILES_DIR}\"" + rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter "- CVS/" --filter "- .svn/" --filter "- .git/" --filter "- .hg/" --filter "- Headers" --filter "- PrivateHeaders" --filter "- Modules" "${source}" "${DERIVED_FILES_DIR}" + + local basename + basename="$(basename -s .framework.dSYM "$source")" + binary="${DERIVED_FILES_DIR}/${basename}.framework.dSYM/Contents/Resources/DWARF/${basename}" + + # Strip invalid architectures so "fat" simulator / device frameworks work on device + if [[ "$(file "$binary")" == *"Mach-O "*"dSYM companion"* ]]; then + strip_invalid_archs "$binary" + fi + + if [[ $STRIP_BINARY_RETVAL == 1 ]]; then + # Move the stripped file into its final destination. + echo "rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter \"- CVS/\" --filter \"- .svn/\" --filter \"- .git/\" --filter \"- .hg/\" --filter \"- Headers\" --filter \"- PrivateHeaders\" --filter \"- Modules\" \"${DERIVED_FILES_DIR}/${basename}.framework.dSYM\" \"${DWARF_DSYM_FOLDER_PATH}\"" + rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter "- CVS/" --filter "- .svn/" --filter "- .git/" --filter "- .hg/" --filter "- Headers" --filter "- PrivateHeaders" --filter "- Modules" "${DERIVED_FILES_DIR}/${basename}.framework.dSYM" "${DWARF_DSYM_FOLDER_PATH}" + else + # The dSYM was not stripped at all, in this case touch a fake folder so the input/output paths from Xcode do not reexecute this script because the file is missing. + touch "${DWARF_DSYM_FOLDER_PATH}/${basename}.framework.dSYM" + fi + fi +} + +# Copies the bcsymbolmap files of a vendored framework +install_bcsymbolmap() { + local bcsymbolmap_path="$1" + local destination="${BUILT_PRODUCTS_DIR}" + echo "rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter "- CVS/" --filter "- .svn/" --filter "- .git/" --filter "- .hg/" --filter "- Headers" --filter "- PrivateHeaders" --filter "- Modules" "${bcsymbolmap_path}" "${destination}"" + rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter "- CVS/" --filter "- .svn/" --filter "- .git/" --filter "- .hg/" --filter "- Headers" --filter "- PrivateHeaders" --filter "- Modules" "${bcsymbolmap_path}" "${destination}" +} + +# Signs a framework with the provided identity +code_sign_if_enabled() { + if [ -n "${EXPANDED_CODE_SIGN_IDENTITY:-}" -a "${CODE_SIGNING_REQUIRED:-}" != "NO" -a "${CODE_SIGNING_ALLOWED}" != "NO" ]; then + # Use the current code_sign_identity + echo "Code Signing $1 with Identity ${EXPANDED_CODE_SIGN_IDENTITY_NAME}" + local code_sign_cmd="/usr/bin/codesign --force --sign ${EXPANDED_CODE_SIGN_IDENTITY} ${OTHER_CODE_SIGN_FLAGS:-} --preserve-metadata=identifier,entitlements '$1'" + + if [ "${COCOAPODS_PARALLEL_CODE_SIGN}" == "true" ]; then + code_sign_cmd="$code_sign_cmd &" + fi + echo "$code_sign_cmd" + eval "$code_sign_cmd" + fi +} + +# Strip invalid architectures +strip_invalid_archs() { + binary="$1" + # Get architectures for current target binary + binary_archs="$(lipo -info "$binary" | rev | cut -d ':' -f1 | awk '{$1=$1;print}' | rev)" + # Intersect them with the architectures we are building for + intersected_archs="$(echo ${ARCHS[@]} ${binary_archs[@]} | tr ' ' '\n' | sort | uniq -d)" + # If there are no archs supported by this binary then warn the user + if [[ -z "$intersected_archs" ]]; then + echo "warning: [CP] Vendored binary '$binary' contains architectures ($binary_archs) none of which match the current build architectures ($ARCHS)." + STRIP_BINARY_RETVAL=0 + return + fi + stripped="" + for arch in $binary_archs; do + if ! [[ "${ARCHS}" == *"$arch"* ]]; then + # Strip non-valid architectures in-place + lipo -remove "$arch" -output "$binary" "$binary" + stripped="$stripped $arch" + fi + done + if [[ "$stripped" ]]; then + echo "Stripped $binary of architectures:$stripped" + fi + STRIP_BINARY_RETVAL=1 +} + + +if [[ "$CONFIGURATION" == "Debug" ]]; then + install_framework "${BUILT_PRODUCTS_DIR}/Alamofire/Alamofire.framework" + install_framework "${BUILT_PRODUCTS_DIR}/AlamofireImage/AlamofireImage.framework" +fi +if [[ "$CONFIGURATION" == "Release" ]]; then + install_framework "${BUILT_PRODUCTS_DIR}/Alamofire/Alamofire.framework" + install_framework "${BUILT_PRODUCTS_DIR}/AlamofireImage/AlamofireImage.framework" +fi +if [ "${COCOAPODS_PARALLEL_CODE_SIGN}" == "true" ]; then + wait +fi diff --git a/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-umbrella.h b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-umbrella.h new file mode 100644 index 0000000..4f9af62 --- /dev/null +++ b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues-umbrella.h @@ -0,0 +1,16 @@ +#ifdef __OBJC__ +#import +#else +#ifndef FOUNDATION_EXPORT +#if defined(__cplusplus) +#define FOUNDATION_EXPORT extern "C" +#else +#define FOUNDATION_EXPORT extern +#endif +#endif +#endif + + +FOUNDATION_EXPORT double Pods_GitIssuesVersionNumber; +FOUNDATION_EXPORT const unsigned char Pods_GitIssuesVersionString[]; + diff --git a/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues.debug.xcconfig b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues.debug.xcconfig new file mode 100644 index 0000000..8d518fe --- /dev/null +++ b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues.debug.xcconfig @@ -0,0 +1,12 @@ +ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES +FRAMEWORK_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/Alamofire" "${PODS_CONFIGURATION_BUILD_DIR}/AlamofireImage" +GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1 +HEADER_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/Alamofire/Alamofire.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/AlamofireImage/AlamofireImage.framework/Headers" +LD_RUNPATH_SEARCH_PATHS = $(inherited) '@executable_path/Frameworks' '@loader_path/Frameworks' +OTHER_LDFLAGS = $(inherited) -framework "Alamofire" -framework "AlamofireImage" -framework "CFNetwork" +OTHER_SWIFT_FLAGS = $(inherited) -D COCOAPODS +PODS_BUILD_DIR = ${BUILD_DIR} +PODS_CONFIGURATION_BUILD_DIR = ${PODS_BUILD_DIR}/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME) +PODS_PODFILE_DIR_PATH = ${SRCROOT}/. +PODS_ROOT = ${SRCROOT}/Pods +USE_RECURSIVE_SCRIPT_INPUTS_IN_SCRIPT_PHASES = YES diff --git a/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues.modulemap b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues.modulemap new file mode 100644 index 0000000..a753700 --- /dev/null +++ b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues.modulemap @@ -0,0 +1,6 @@ +framework module Pods_GitIssues { + umbrella header "Pods-GitIssues-umbrella.h" + + export * + module * { export * } +} diff --git a/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues.release.xcconfig b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues.release.xcconfig new file mode 100644 index 0000000..8d518fe --- /dev/null +++ b/Pods/Target Support Files/Pods-GitIssues/Pods-GitIssues.release.xcconfig @@ -0,0 +1,12 @@ +ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES +FRAMEWORK_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/Alamofire" "${PODS_CONFIGURATION_BUILD_DIR}/AlamofireImage" +GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1 +HEADER_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/Alamofire/Alamofire.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/AlamofireImage/AlamofireImage.framework/Headers" +LD_RUNPATH_SEARCH_PATHS = $(inherited) '@executable_path/Frameworks' '@loader_path/Frameworks' +OTHER_LDFLAGS = $(inherited) -framework "Alamofire" -framework "AlamofireImage" -framework "CFNetwork" +OTHER_SWIFT_FLAGS = $(inherited) -D COCOAPODS +PODS_BUILD_DIR = ${BUILD_DIR} +PODS_CONFIGURATION_BUILD_DIR = ${PODS_BUILD_DIR}/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME) +PODS_PODFILE_DIR_PATH = ${SRCROOT}/. +PODS_ROOT = ${SRCROOT}/Pods +USE_RECURSIVE_SCRIPT_INPUTS_IN_SCRIPT_PHASES = YES