Added OAuthListener

ShareX.HelpersLib/Helpers/URLHelpers.cs

@@ -32,6 +32,7 @@ You should have received a copy of the GNU General Public License
 using System.Linq;
 using System.Net;
 using System.Net.Cache;
+using System.Net.Sockets;
 using System.Security;
 using System.Text;
 using System.Text.RegularExpressions;
@@ -652,5 +653,20 @@ public static string DownloadString(string url, bool noCache = true)
 
             return response;
         }
+
+        public static int GetRandomUnusedPort()
+        {
+            TcpListener listener = new TcpListener(IPAddress.Loopback, 0);
+
+            try
+            {
+                listener.Start();
+                return ((IPEndPoint)listener.LocalEndpoint).Port;
+            }
+            finally
+            {
+                listener.Stop();
+            }
+        }
     }
 }

ShareX.UploadersLib/OAuth/OAuthListener.cs

@@ -0,0 +1,93 @@
+#region License Information (GPL v3)
+
+/*
+    ShareX - A program that allows you to take screenshots and share any file type
+    Copyright (c) 2007-2022 ShareX Team
+
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License
+    as published by the Free Software Foundation; either version 2
+    of the License, or (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+    Optionally you can also view the license at <http://www.gnu.org/licenses/>.
+*/
+
+#endregion License Information (GPL v3)
+
+using ShareX.HelpersLib;
+using ShareX.UploadersLib.Properties;
+using System;
+using System.IO;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ShareX.UploadersLib
+{
+    public class OAuthListener
+    {
+        public IOAuth2 OAuth { get; private set; }
+
+        public async Task<string> ConnectAsync()
+        {
+            IPAddress ip = IPAddress.Loopback;
+            int port = URLHelpers.GetRandomUnusedPort();
+            string redirectURI = string.Format($"http://{ip}:{port}/");
+            URLHelpers.OpenURL(redirectURI + "?code=test");
+
+            try
+            {
+                using (HttpListener listener = new HttpListener())
+                {
+                    listener.Prefixes.Add(redirectURI);
+                    listener.Start();
+
+                    HttpListenerContext context = await listener.GetContextAsync();
+                    string code = context.Request.QueryString.Get("code");
+
+                    using (HttpListenerResponse response = context.Response)
+                    {
+                        string status;
+
+                        if (!string.IsNullOrEmpty(code))
+                        {
+                            status = "Authorization completed successfully.";
+                        }
+                        else
+                        {
+                            status = "Authorization did not succeed.";
+                        }
+
+                        string responseText = Resources.OAuthCallbackPage.Replace("{0}", status);
+                        byte[] buffer = Encoding.UTF8.GetBytes(responseText);
+                        response.ContentLength64 = buffer.Length;
+                        response.KeepAlive = false;
+
+                        using (Stream responseOutput = response.OutputStream)
+                        {
+                            await responseOutput.WriteAsync(buffer, 0, buffer.Length);
+                            await responseOutput.FlushAsync();
+                        }
+                    }
+
+                    return code;
+                }
+            }
+            catch (Exception e)
+            {
+                DebugHelper.WriteException(e);
+            }
+
+            return null;
+        }
+    }
+}

ShareX.UploadersLib/Properties/Resources.Designer.cs

@@ -496,6 +496,34 @@ internal static System.Drawing.Bitmap navigation_270_button_white {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to &lt;!DOCTYPE html&gt;
+        ///&lt;html lang=&quot;en&quot;&gt;
+        ///
+        ///&lt;head&gt;
+        ///    &lt;meta charset=&quot;utf-8&quot;&gt;
+        ///    &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1&quot;&gt;
+        ///    &lt;title&gt;Authorization - ShareX&lt;/title&gt;
+        ///    &lt;style&gt;
+        ///        body {
+        ///            background-color: #242424;
+        ///            color: #fafafa;
+        ///            font-family: Arial, sans-serif;
+        ///            text-align: center;
+        ///        }
+        ///
+        ///        .container {
+        ///            position: absolute;
+        ///            top: 50%;
+        ///            left: 50%;
+        ///            transform: translat [rest of string was truncated]&quot;;.
+        /// </summary>
+        internal static string OAuthCallbackPage {
+            get {
+                return ResourceManager.GetString("OAuthCallbackPage", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Paste verification code here.
         /// </summary>

ShareX.UploadersLib/Properties/Resources.resx

@@ -446,4 +446,7 @@ Created folders:</value>
   <data name="LobFile" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Favicons\LobFile.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
+  <data name="OAuthCallbackPage" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\resources\oauthcallbackpage.html;System.String, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089;Windows-1252</value>
+  </data>
 </root>

ShareX.UploadersLib/Resources/OAuthCallbackPage.html

@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Authorization - ShareX</title>
+    <style>
+        body {
+            background-color: #242424;
+            color: #fafafa;
+            font-family: Arial, sans-serif;
+            text-align: center;
+        }
+
+        .container {
+            position: absolute;
+            top: 50%;
+            left: 50%;
+            transform: translate(-50%, -50%);
+        }
+
+        .container h1 {
+            margin: 0px 0px 30px 0px;
+            font-size: 80px;
+        }
+
+        .container p {
+            font-size: 20px;
+        }
+    </style>
+</head>
+
+<body>
+    <div class="container">
+        <h1>ShareX</h1>
+        <p>{0}</p>
+        <p>You can now close this page.</p>
+    </div>
+
+    <script>
+        setTimeout(function() {
+            window.close();
+        }, 30000);
+    </script>
+</body>
+
+</html>

ShareX.UploadersLib/ShareX.UploadersLib.csproj

@@ -260,6 +260,7 @@
     <Compile Include="OAuth\OAuth2ProofKey.cs" />
     <Compile Include="Helpers\SSLBypassHelper.cs" />
     <Compile Include="BaseServices\URLSharingService.cs" />
+    <Compile Include="OAuth\OAuthListener.cs" />
     <Compile Include="OAuth\OAuthUserInfo.cs" />
     <Compile Include="Properties\Resources.Designer.cs">
       <AutoGen>True</AutoGen>
@@ -1185,6 +1186,9 @@
   <ItemGroup>
     <None Include="Favicons\LobFile.png" />
   </ItemGroup>
+  <ItemGroup>
+    <Content Include="Resources\OAuthCallbackPage.html" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
     <PreBuildEvent>