add line login

README.md

@@ -221,6 +221,30 @@ using (var client = new LineLiffClient("access token"))
 |[Get all LIFF apps](https://developers.line.biz/en/reference/liff-server/#get-all-liff-apps)|GetAllLiffAppsAsync|✔|
 |[Delete LIFF app from a channel](https://developers.line.biz/en/reference/liff-server/#delete-liff-app)|DeleteLiffAppsFromChannelAsync|✔|
 
+## 2-4 LineLoginClient
+* [LINE Login v2.1](https://developers.line.biz/en/reference/line-login/)
+
+```csharp
+using Line.Login;
+
+using (LineLoginClient client = new LineLoginClient())
+{
+    var issued = await client.OAuth2dot1.IssueAccessTokenAsync("code", "redirectUrl", "clientId", "secret");
+    var profile = await client.GetUserProfileAsync(issued.AccessToken);
+}
+```
+
+|LINE Developers|Methods|Tested|
+|---|---|---|
+|[Issue access token](https://developers.line.biz/en/reference/line-login/#issue-access-token)|OAuth2dot1.IssueAccessTokenAsync|✔|
+|[Verify access token validity](https://developers.line.biz/en/reference/line-login/#verify-access-token)|OAuth2dot1.VerifyAccessTokenValidityAsync|✔|
+|[Refresh access token](https://developers.line.biz/en/reference/line-login/#refresh-access-token)|OAuth2dot1.RefreshAccessTokenAsync|✔|
+|[Revoke access token](https://developers.line.biz/en/reference/line-login/#revoke-access-token)|OAuth2dot1.RevokeAccessTokenAsync|✔|
+|[Verify ID token](https://developers.line.biz/en/reference/line-login/#verify-id-token)|OAuth2dot1.VerifyIdTokenAsync|✔|
+|[Get user information](https://developers.line.biz/en/reference/line-login/#userinfo)|OAuth2dot1.GetUserInformationAsync|✔|
+|[Get user profile](https://developers.line.biz/en/reference/line-login/#get-user-profile)|GetUserProfileAsync|✔|
+|[Get friendship status](https://developers.line.biz/en/reference/line-login/#get-friendship-status)|GetFriendshipStatusAsync|✔|
+
 # 3. reference doc
 * [Messaging API reference](https://developers.line.biz/en/reference/messaging-api/)
 * [How to serialize properties of derived classes with System.Text.Json](https://learn.microsoft.com/en-us/dotnet/standard/serialization/system-text-json/polymorphism?pivots=dotnet-7-0) 

Src/LineDevelopers.ConsoleTests/Program.cs

@@ -1,5 +1,6 @@
 using System.Text.Json;
 using Line;
+using Line.Login;
 using Line.Message;
 
 var json = File.ReadAllText(@"c:\temp\test.json");
@@ -8,13 +9,19 @@
 
 
 
+using (LineLoginClient client = new LineLoginClient())
+{
+    var issued = await client.OAuth2dot1.IssueAccessTokenAsync("code", "redirectUrl", "clientId", "secret");
+    var profile = await client.GetUserProfileAsync(issued.AccessToken);
+}
+
 
-using (var client = new LineMessagingClient(config.ChannelAccessToken))
+using (var client2 = new LineMessagingClient(config.ChannelAccessToken))
 {
     try
     {
 
-        var result = await client.Bot.GetBotInformationAsync();
+        var result = await client2.Bot.GetBotInformationAsync();
 
         Console.WriteLine(result.PremiumId);
         Console.WriteLine(result.PictureUrl);

Src/LineDevelopers.OAuth.Tests/LineDevelopers.OAuth.Tests.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net7.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\LineDevelopers\LineDevelopers.csproj" />
+  </ItemGroup>
+
+</Project>

Src/LineDevelopers.OAuth.Tests/Pages/Callback.cshtml

@@ -0,0 +1,4 @@
+@page
+@model LineDevelopers.OAuth.Tests.Pages.CallbackModel
+@{
+}

Src/LineDevelopers.OAuth.Tests/Pages/Callback.cshtml.cs

@@ -0,0 +1,69 @@
+using System.Web;
+using Line;
+using Line.Login;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+
+namespace LineDevelopers.OAuth.Tests.Pages
+{
+    public class CallbackModel : PageModel
+    {
+        public async Task OnGet()
+        {
+            string clientId = "";
+            string secret = "";
+
+            using (LineLoginClient client = new LineLoginClient())
+            {
+                var code = Request.Query["code"];
+
+                var issued = await client.OAuth2dot1.IssueAccessTokenAsync(code,
+                                    HttpUtility.HtmlEncode("https://2100-175-113-116-30.ngrok-free.app/Callback"),
+                                    clientId,
+                                    secret);
+
+
+                var verifyToken = await client.OAuth2dot1.VerifyAccessTokenValidityAsync(issued.AccessToken);
+
+                var verifyScope = verifyToken.Scope;
+                var verifyClientId = verifyToken.ClientId;
+                var verifyExpiresIn = verifyToken.ExpiresIn;
+
+                var verifyIdToken =  await client.OAuth2dot1.VerifyIdTokenAsync(issued.IdToken, clientId);
+
+                var iss = verifyIdToken.Iss;
+                var sub = verifyIdToken.Sub;
+                var aud = verifyIdToken.Aud;
+
+                var user = await client.OAuth2dot1.GetUserInformationAsync(issued.AccessToken);
+
+                var userSub = user.Sub;
+                var userName = user.Name;
+
+                var profile = await client.GetUserProfileAsync(issued.AccessToken);
+
+                var profileName = profile.DisplayName;
+
+                var friendship = await client.GetFriendshipStatusAsync(issued.AccessToken);
+
+
+                await client.OAuth2dot1.RevokeAccessTokenAsync(issued.AccessToken, clientId, secret);
+
+                try
+                {
+                    var refresh = await client.OAuth2dot1.RefreshAccessTokenAsync(issued.RefreshToken, clientId, secret);
+
+                    var refreshAccess = refresh.AccessToken;
+
+                }
+                catch (LineCredentialException ex)
+                {
+                    var msg = ex.Message;
+                    var detail = ex.Detail;
+                }
+
+            }
+
+
+        }
+    }
+}

Src/LineDevelopers.OAuth.Tests/Pages/Error.cshtml

@@ -0,0 +1,26 @@
+@page
+@model ErrorModel
+@{
+    ViewData["Title"] = "Error";
+}
+
+<h1 class="text-danger">Error.</h1>
+<h2 class="text-danger">An error occurred while processing your request.</h2>
+
+@if (Model.ShowRequestId)
+{
+    <p>
+        <strong>Request ID:</strong> <code>@Model.RequestId</code>
+    </p>
+}
+
+<h3>Development Mode</h3>
+<p>
+    Swapping to the <strong>Development</strong> environment displays detailed information about the error that occurred.
+</p>
+<p>
+    <strong>The Development environment shouldn't be enabled for deployed applications.</strong>
+    It can result in displaying sensitive information from exceptions to end users.
+    For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
+    and restarting the app.
+</p>

Src/LineDevelopers.OAuth.Tests/Pages/Error.cshtml.cs

@@ -0,0 +1,27 @@
+using System.Diagnostics;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+
+namespace LineDevelopers.OAuth.Tests.Pages
+{
+    [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
+    [IgnoreAntiforgeryToken]
+    public class ErrorModel : PageModel
+    {
+        public string? RequestId { get; set; }
+
+        public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
+
+        private readonly ILogger<ErrorModel> _logger;
+
+        public ErrorModel(ILogger<ErrorModel> logger)
+        {
+            _logger = logger;
+        }
+
+        public void OnGet()
+        {
+            RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier;
+        }
+    }
+}

Src/LineDevelopers.OAuth.Tests/Pages/Index.cshtml

@@ -0,0 +1,13 @@
+@page
+@model IndexModel
+@{
+    ViewData["Title"] = "Home page";
+}
+
+<div class="text-center">
+    <h1 class="display-4">Welcome</h1>
+    <p>Learn about <a href="https://docs.microsoft.com/aspnet/core">building Web apps with ASP.NET Core</a>.</p>
+    <a href="https://access.line.me/oauth2/v2.1/authorize?response_type=code&client_id=1661292873&redirect_uri=https://2100-175-113-116-30.ngrok-free.app/Callback&state=45645646abcde&scope=profile%20openid&nonce=09876xyz">
+    LOGIN  
+    </a>
+</div>

Src/LineDevelopers.OAuth.Tests/Pages/Index.cshtml.cs

@@ -0,0 +1,20 @@
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+
+namespace LineDevelopers.OAuth.Tests.Pages
+{
+    public class IndexModel : PageModel
+    {
+        private readonly ILogger<IndexModel> _logger;
+
+        public IndexModel(ILogger<IndexModel> logger)
+        {
+            _logger = logger;
+        }
+
+        public void OnGet()
+        {
+
+        }
+    }
+}

Src/LineDevelopers.OAuth.Tests/Pages/Privacy.cshtml

@@ -0,0 +1,8 @@
+@page
+@model PrivacyModel
+@{
+    ViewData["Title"] = "Privacy Policy";
+}
+<h1>@ViewData["Title"]</h1>
+
+<p>Use this page to detail your site's privacy policy.</p>

Src/LineDevelopers.OAuth.Tests/Pages/Privacy.cshtml.cs

@@ -0,0 +1,19 @@
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+
+namespace LineDevelopers.OAuth.Tests.Pages
+{
+    public class PrivacyModel : PageModel
+    {
+        private readonly ILogger<PrivacyModel> _logger;
+
+        public PrivacyModel(ILogger<PrivacyModel> logger)
+        {
+            _logger = logger;
+        }
+
+        public void OnGet()
+        {
+        }
+    }
+}

Src/LineDevelopers.OAuth.Tests/Pages/Shared/_Layout.cshtml

@@ -0,0 +1,51 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>@ViewData["Title"] - LineDevelopers.OAuth.Tests</title>
+    <link rel="stylesheet" href="~/lib/bootstrap/dist/css/bootstrap.min.css" />
+    <link rel="stylesheet" href="~/css/site.css" asp-append-version="true" />
+    <link rel="stylesheet" href="~/LineDevelopers.OAuth.Tests.styles.css" asp-append-version="true" />
+</head>
+<body>
+    <header>
+        <nav class="navbar navbar-expand-sm navbar-toggleable-sm navbar-light bg-white border-bottom box-shadow mb-3">
+            <div class="container">
+                <a class="navbar-brand" asp-area="" asp-page="/Index">LineDevelopers.OAuth.Tests</a>
+                <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target=".navbar-collapse" aria-controls="navbarSupportedContent"
+                        aria-expanded="false" aria-label="Toggle navigation">
+                    <span class="navbar-toggler-icon"></span>
+                </button>
+                <div class="navbar-collapse collapse d-sm-inline-flex justify-content-between">
+                    <ul class="navbar-nav flex-grow-1">
+                        <li class="nav-item">
+                            <a class="nav-link text-dark" asp-area="" asp-page="/Index">Home</a>
+                        </li>
+                        <li class="nav-item">
+                            <a class="nav-link text-dark" asp-area="" asp-page="/Privacy">Privacy</a>
+                        </li>
+                    </ul>
+                </div>
+            </div>
+        </nav>
+    </header>
+    <div class="container">
+        <main role="main" class="pb-3">
+            @RenderBody()
+        </main>
+    </div>
+
+    <footer class="border-top footer text-muted">
+        <div class="container">
+            &copy; 2023 - LineDevelopers.OAuth.Tests - <a asp-area="" asp-page="/Privacy">Privacy</a>
+        </div>
+    </footer>
+
+    <script src="~/lib/jquery/dist/jquery.min.js"></script>
+    <script src="~/lib/bootstrap/dist/js/bootstrap.bundle.min.js"></script>
+    <script src="~/js/site.js" asp-append-version="true"></script>
+
+    @await RenderSectionAsync("Scripts", required: false)
+</body>
+</html>

Src/LineDevelopers.OAuth.Tests/Pages/Shared/_Layout.cshtml.css

@@ -0,0 +1,48 @@
+/* Please see documentation at https://docs.microsoft.com/aspnet/core/client-side/bundling-and-minification
+for details on configuring this project to bundle and minify static web assets. */
+
+a.navbar-brand {
+  white-space: normal;
+  text-align: center;
+  word-break: break-all;
+}
+
+a {
+  color: #0077cc;
+}
+
+.btn-primary {
+  color: #fff;
+  background-color: #1b6ec2;
+  border-color: #1861ac;
+}
+
+.nav-pills .nav-link.active, .nav-pills .show > .nav-link {
+  color: #fff;
+  background-color: #1b6ec2;
+  border-color: #1861ac;
+}
+
+.border-top {
+  border-top: 1px solid #e5e5e5;
+}
+.border-bottom {
+  border-bottom: 1px solid #e5e5e5;
+}
+
+.box-shadow {
+  box-shadow: 0 .25rem .75rem rgba(0, 0, 0, .05);
+}
+
+button.accept-policy {
+  font-size: 1rem;
+  line-height: inherit;
+}
+
+.footer {
+  position: absolute;
+  bottom: 0;
+  width: 100%;
+  white-space: nowrap;
+  line-height: 60px;
+}

Src/LineDevelopers.OAuth.Tests/Pages/Shared/_ValidationScriptsPartial.cshtml

@@ -0,0 +1,2 @@
+<script src="~/lib/jquery-validation/dist/jquery.validate.min.js"></script>
+<script src="~/lib/jquery-validation-unobtrusive/jquery.validate.unobtrusive.min.js"></script>

Src/LineDevelopers.OAuth.Tests/Pages/_ViewImports.cshtml

@@ -0,0 +1,3 @@
+@using LineDevelopers.OAuth.Tests
+@namespace LineDevelopers.OAuth.Tests.Pages
+@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers

Src/LineDevelopers.OAuth.Tests/Pages/_ViewStart.cshtml

@@ -0,0 +1,3 @@
+@{
+    Layout = "_Layout";
+}