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This is a crude implementation to test release integration.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,186 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "strings" | ||
| "encoding/json" | ||
| "github.com/jmoiron/jsonq" | ||
| "github.com/sqweek/dialog" | ||
| "github.com/gonutz/w32/v2" | ||
| "io/ioutil" | ||
| "net/http" | ||
| "time" | ||
| "regexp" | ||
| "os/exec" | ||
| "errors" | ||
| "io" | ||
| "os" | ||
| ) | ||
|
|
||
| const LATEST_RELEASE_URL = "https://api.github.com/repos/iaincollins/icarus/releases/latest" | ||
|
|
||
| type Release struct { | ||
| productVersion string | ||
| downloadUrl string | ||
| } | ||
|
|
||
| func CheckForUpdate() { | ||
| currentProductVersion := GetCurrentAppVersion() | ||
| release, releaseErr := GetLatestRelease(LATEST_RELEASE_URL) | ||
| if releaseErr != nil { | ||
| return | ||
| } | ||
|
|
||
| // If we are already running the latest release, do nothing | ||
| if (currentProductVersion == release.productVersion) { | ||
| return | ||
| } | ||
|
|
||
| ok := dialog.Message("%s", "A new version of ICARUS Terminal is available.\n\nWould you like to download the update?").Title("New version available").YesNo() | ||
| if (ok) { | ||
| downloadUrl := release.downloadUrl // In future may redirect to webpage instead | ||
| exec.Command("rundll32", "url.dll,FileProtocolHandler", downloadUrl).Start() | ||
|
|
||
| // This is disabled as we can't actually run the current installer this way | ||
| // because it requires escalated privilages. This could be addressed by | ||
| // using a different type of installer. | ||
| /* | ||
| downloadedFile, downloadErr := DownloadRelease(release) | ||
| if downloadErr != nil { | ||
| fmt.Println("Error downloading update", downloadErr.Error()) | ||
| } | ||
| installerCmdInstance := exec.Command(downloadedFile) | ||
| installerCmdErr := installerCmdInstance.Start() | ||
| if installerCmdErr != nil { | ||
| fmt.Println("Error installing update", installerCmdErr.Error()) | ||
| } | ||
| */ | ||
| } | ||
|
|
||
| return | ||
| } | ||
|
|
||
| func GetCurrentAppVersion() string { | ||
| const path = "ICARUS Terminal.exe" | ||
|
|
||
| size := w32.GetFileVersionInfoSize(path) | ||
| if size <= 0 { | ||
| panic("GetFileVersionInfoSize failed") | ||
| } | ||
|
|
||
| info := make([]byte, size) | ||
| ok := w32.GetFileVersionInfo(path, info) | ||
| if !ok { | ||
| panic("GetFileVersionInfo failed") | ||
| } | ||
|
|
||
| /* | ||
| fixed, ok := w32.VerQueryValueRoot(info) | ||
| if !ok { | ||
| panic("VerQueryValueRoot failed") | ||
| } | ||
| version := fixed.FileVersion() | ||
| fileVersion := fmt.Sprintf( | ||
| "%d.%d.%d.%d", | ||
| version&0xFFFF000000000000>>48, | ||
| version&0x0000FFFF00000000>>32, | ||
| version&0x00000000FFFF0000>>16, | ||
| version&0x000000000000FFFF>>0, | ||
| ) | ||
| */ | ||
|
|
||
| translations, ok := w32.VerQueryValueTranslations(info) | ||
| if !ok { | ||
| panic("VerQueryValueTranslations failed") | ||
| } | ||
| if len(translations) == 0 { | ||
| panic("no translation found") | ||
| } | ||
| t := translations[0] | ||
|
|
||
| productVersion, ok := w32.VerQueryValueString(info, t, w32.ProductVersion) | ||
| if !ok { | ||
| panic("cannot get product version") | ||
| } | ||
|
|
||
| // Convert from version with build number (0.0.0.0) to semver version (0.0.0) | ||
| productVersion = regexp.MustCompile(`(\.[^\.]+)$`).ReplaceAllString(productVersion, ``) | ||
|
|
||
| return productVersion | ||
| } | ||
|
|
||
| func GetLatestRelease(releasesUrl string) (Release, error) { | ||
| release := Release{} | ||
|
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||
| httpClient := http.Client{Timeout: time.Second * 5} | ||
|
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| req, reqErr := http.NewRequest(http.MethodGet, releasesUrl, nil) | ||
| if reqErr != nil { | ||
| return release, reqErr | ||
| } | ||
|
|
||
| res, getErr := httpClient.Do(req) | ||
| if getErr != nil { | ||
| return release, getErr | ||
| } | ||
|
|
||
| if res.Body != nil { | ||
| defer res.Body.Close() | ||
| } | ||
|
|
||
| body, readErr := ioutil.ReadAll(res.Body) | ||
| if readErr != nil { | ||
| return release, readErr | ||
| } | ||
|
|
||
| // Hackery to convert the response into JSON that jsonq can parse | ||
| jsonObjectAsString := string(body) | ||
| // jsonObjectAsString = regexp.MustCompile(`^\[`).ReplaceAllString(jsonObjectAsString, `{"releases":[`) | ||
| // jsonObjectAsString = regexp.MustCompile(`\]$`).ReplaceAllString(jsonObjectAsString, `]}`) | ||
|
|
||
| // Use jsonq to access JSON | ||
| data := map[string]interface{}{} | ||
| dec := json.NewDecoder(strings.NewReader(jsonObjectAsString)) | ||
| dec.Decode(&data) | ||
| jq := jsonq.NewQuery(data) | ||
|
|
||
| // Get properties from from JSON | ||
| // tag, _ := jq.String("releases", "0", "tag_name") | ||
| // productVersion := regexp.MustCompile(`^v`).ReplaceAllString(tag, ``) | ||
| // downloadUrl, _ := jq.String("releases", "0", "assets", "0", "browser_download_url") | ||
| tag, _ := jq.String("tag_name") | ||
| productVersion := regexp.MustCompile(`^v`).ReplaceAllString(tag, ``) // Converts tag (v0.0.0) to semver version (0.0.0) for easier comparion | ||
| downloadUrl, _ := jq.String("assets", "0", "browser_download_url") | ||
|
|
||
| if (downloadUrl == "") { | ||
| return release, errors.New("Could not get download URL") | ||
| } | ||
|
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| release.productVersion = productVersion | ||
| release.downloadUrl = downloadUrl | ||
|
|
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| return release, nil | ||
| } | ||
|
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| func DownloadRelease(release Release) (string, error) { | ||
| pathToDownloadedFile := "ICARUS Update.exe" | ||
|
|
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| // Get file to download | ||
| resp, err := http.Get(release.downloadUrl) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| defer resp.Body.Close() | ||
|
|
||
| // Create file | ||
| out, err := os.Create(pathToDownloadedFile) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| defer out.Close() | ||
|
|
||
| // Write to file | ||
| _, err = io.Copy(out, resp.Body) | ||
|
|
||
| return pathToDownloadedFile, nil | ||
| } |
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