v1.0.0

.editorconfig

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+[*.cs]
+
+# CS8602: Dereference of a possibly null reference.
+dotnet_diagnostic.CS8602.severity = none
+
+# CS1998: Async method lacks 'await' operators and will run synchronously
+dotnet_diagnostic.CS1998.severity = none

Sadad.Psp.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.1.32203.90
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Sadad.Psp", "Sadad.Psp\Sadad.Psp.csproj", "{CA41BEB7-CCE7-4E01-8B6C-F809E96DEC44}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{A223B988-F524-464C-80AA-A1D2F6EC2AC9}"
+	ProjectSection(SolutionItems) = preProject
+		.editorconfig = .editorconfig
+	EndProjectSection
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{CA41BEB7-CCE7-4E01-8B6C-F809E96DEC44}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CA41BEB7-CCE7-4E01-8B6C-F809E96DEC44}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CA41BEB7-CCE7-4E01-8B6C-F809E96DEC44}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CA41BEB7-CCE7-4E01-8B6C-F809E96DEC44}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {71AEA4CC-E170-4168-B649-366E319F7588}
+	EndGlobalSection
+EndGlobal

Sadad.Psp/Controllers/HomeController.cs

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+using Microsoft.AspNetCore.Mvc;
+using Sadad.Psp.Models;
+using System.Diagnostics;
+using System.Net;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace Sadad.Psp.Controllers
+{
+    public class HomeController : Controller
+    {
+        private readonly ILogger<HomeController> _logger;
+        private readonly IConfiguration _config;
+
+        public HomeController(ILogger<HomeController> logger, IConfiguration config)
+        {
+            _logger = logger;
+            _config = config;
+        }
+
+        public IActionResult Index()
+        {
+            return View();
+        }
+
+        [HttpPost]
+        public async Task<IActionResult> Index(PaymentRequest request)
+        {
+            // فایل
+            // appsettings.json
+            // یا
+            // appsettings.Development.json
+            // ویرایش شود
+            var TerminalId = _config["terminalId"];
+            var TerminalKey = _config["terminalKey"];
+            var MerchantId = _config["merchantId"];
+            var ReturnUrl = _config["returnUrl"];
+            var PurchasePage = _config["purchasePage"];
+
+            if (!ModelState.IsValid)
+                return View(request);
+            try
+            {
+                var OrderId = new Random().Next(1000, int.MaxValue).ToString(); // شماره فاکتور - نباید تکراری باشد
+
+                // رمزنگاری TripleDes
+                string SignData = TripleDes($"{TerminalId};{OrderId};{request.Amount}", TerminalKey);
+
+                var data = new
+                {
+                    TerminalId,
+                    MerchantId,
+                    request.Amount,
+                    SignData,
+                    ReturnUrl,
+                    LocalDateTime = DateTime.Now,
+                    OrderId,
+                };
+
+                var ipgUri = string.Format("{0}/api/v0/Request/PaymentRequest", PurchasePage);
+
+                // درخواست توکن به سرور
+                var res = await CallApi<PayResultData>(ipgUri, data);
+
+                if (res != null)
+                {
+                    if (res.ResCode == "0")
+                    {
+                        // ذخیره
+                        // res.Token
+                        // در پایگاه داده
+
+                        Response.Redirect(string.Format("{0}/Purchase/Index?token={1}", PurchasePage, res.Token));
+                    }
+                    ViewBag.Message = res.Description;
+                    return View();
+                }
+            }
+            catch (Exception ex)
+            {
+                ViewBag.Message = ex.ToString();
+            }
+            return View();
+        }
+
+        /// <summary>
+        /// تایید تراکنش بعد از پرداخت، مستقیم توسط درگاه صدا زده می شود این متد.
+        /// </summary>
+        /// <param name="result"></param>
+        /// <returns></returns>
+        [HttpPost]
+        public IActionResult Verify(PurchaseResult result)
+        {
+            // مقایسه و اعتبار سنجی توکن و شماره فاکتور در پایگاه داده            
+            // result.Token
+            // result.OrderId
+            // در صورت مجاز ادامه میدهیم
+
+            // چک کردن مقدار زیر در صورت 0 بودن ادامه خواهیم داد
+            // result.ResCode
+
+            try
+            {
+                // فایل
+                // appsettings.json
+                // یا
+                // appsettings.Development.json
+                // ویرایش شود
+                var TerminalId = _config["terminalId"];
+                var TerminalKey = _config["terminalKey"];
+                var MerchantId = _config["merchantId"];
+                var ReturnUrl = _config["returnUrl"];
+                var PurchasePage = _config["purchasePage"];
+
+                // رمزنگاری TripleDes
+                var signedData = TripleDes(result.Token ?? "", TerminalKey);
+
+                var data = new
+                {
+                    token = result.Token,
+                    SignData = signedData
+                };
+
+                var ipgUri = string.Format("{0}/api/v0/Advice/Verify", PurchasePage);
+
+                // بررسی صحت اطلاعات دریافتی با درگاه
+                var res = CallApi<VerifyResultData>(ipgUri, data);
+                if (res != null && res.Result != null)
+                {
+                    if (res.Result.ResCode == "0")
+                    {
+                        // مقایسه اطلاعات دریافتی با پایگاه داده
+
+                        // ذخیره اطلاعات در پایگاه داده
+                        res.Result.Succeed = true;                        
+                        return View(res.Result);
+                    }
+                    ViewBag.Message = res.Result.Description;
+                    return View(res.Result);
+                }
+            }
+            catch (Exception ex)
+            {
+                ViewBag.Message = ex.ToString();
+            }
+
+            return View(new VerifyResultData());
+        }
+
+        public IActionResult Privacy()
+        {
+            return View();
+        }
+
+        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
+        public IActionResult Error()
+        {
+            return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
+        }
+
+        private static async Task<T?> CallApi<T>(string apiUrl, object value)
+        {
+            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
+            using var client = new HttpClient();
+            client.BaseAddress = new Uri(apiUrl);
+            client.DefaultRequestHeaders.Accept.Clear();
+            var w = client.PostAsJsonAsync(apiUrl, value);
+            w.Wait();
+            HttpResponseMessage response = w.Result;
+            if (response.IsSuccessStatusCode)
+            {
+                var result = response.Content.ReadFromJsonAsync<T>();
+                result.Wait();
+                return result.Result;
+            }
+            return default;
+        }
+
+        private static string TripleDes(string data, string TerminalKey)
+        {
+            var dataBytes = Encoding.UTF8.GetBytes(data);
+
+            var symmetric = SymmetricAlgorithm.Create("TripleDes");
+            symmetric.Mode = CipherMode.ECB;
+            symmetric.Padding = PaddingMode.PKCS7;
+
+            var encryptor = symmetric.CreateEncryptor(Convert.FromBase64String(TerminalKey), new byte[32]);
+
+            var SignData = Convert.ToBase64String(encryptor.TransformFinalBlock(dataBytes, 0, dataBytes.Length));
+            return SignData;
+        }
+
+        public class PaymentRequest
+        {
+            public long Amount { get; set; } = 1000;
+        }
+
+        public class PayResultData
+        {
+            public string? ResCode { get; set; }
+            public string? Token { get; set; }
+            public string? Description { get; set; }
+        }
+
+        public class PurchaseResult
+        {
+            public string? OrderId { get; set; }
+            public string? Token { get; set; }
+            public string? ResCode { get; set; }
+        }
+
+        public class VerifyResultData
+        {
+            public bool Succeed { get; set; }
+            public string? ResCode { get; set; }
+            public string? Description { get; set; }
+            public string? Amount { get; set; }
+            public string? RetrivalRefNo { get; set; }
+            public string? SystemTraceNo { get; set; }
+            public string? OrderId { get; set; }
+        }
+    }
+}

Sadad.Psp/Models/ErrorViewModel.cs

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+namespace Sadad.Psp.Models
+{
+    public class ErrorViewModel
+    {
+        public string? RequestId { get; set; }
+
+        public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
+    }
+}

Sadad.Psp/Program.cs

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+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+builder.Services.AddControllersWithViews();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (!app.Environment.IsDevelopment())
+{
+    app.UseExceptionHandler("/Home/Error");
+}
+app.UseStaticFiles();
+
+app.UseRouting();
+
+app.UseAuthorization();
+
+app.MapControllerRoute(
+    name: "default",
+    pattern: "{controller=Home}/{action=Index}/{id?}");
+
+app.Run();

Sadad.Psp/Properties/launchSettings.json

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+{
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:20582",
+      "sslPort": 0
+    }
+  },
+  "profiles": {
+    "Sadad.Psp": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "http://localhost:5090",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

Sadad.Psp/Sadad.Psp.csproj

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+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <None Include="..\.editorconfig" Link=".editorconfig" />
+  </ItemGroup>
+
+</Project>

Sadad.Psp/Sadad.Psp.csproj.user

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <View_SelectedScaffolderID>RazorViewEmptyScaffolder</View_SelectedScaffolderID>
+    <View_SelectedScaffolderCategoryPath>root/Common/MVC/View</View_SelectedScaffolderCategoryPath>
+  </PropertyGroup>
+</Project>

Sadad.Psp/Views/Home/Index.cshtml

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+@{
+    ViewData["Title"] = "Home Page";
+}
+
+<div class="text-center">
+    <h1 class="display-4">Welcome</h1>
+    <br /><br /><br />
+    <form action="/Home/Index" method="post" class="row g-3">
+        <div class="col-md-6">
+            <label for="inputEmail4" class="form-label">مبلغ: </label>
+            <input name="Amount" class="form-control" value="10000" type="number" />
+            <br />
+            <button class="btn btn-primary" type="submit">ارسال</button>
+            <br />
+            <br />
+            <div class="alert alert-primary" role="alert">
+                @ViewBag.Message
+            </div>
+        </div>
+    </form>
+    <br /><br /><br />
+    <p>Learn about <a href="https://docs.microsoft.com/aspnet/core">building Web apps with ASP.NET Core</a>.</p>
+</div>

Sadad.Psp/Views/Home/Privacy.cshtml

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+@{
+    ViewData["Title"] = "Privacy Policy";
+}
+<h1>@ViewData["Title"]</h1>
+
+<p>Use this page to detail your site's privacy policy.</p>