Update OAuth endpoints #327 (#380)

Author: Tratcher

src/Microsoft.Owin.Security.Facebook/Constants.cs

@@ -7,8 +7,9 @@ internal static class Constants
     {
         public const string DefaultAuthenticationType = "Facebook";
 
-        internal const string AuthorizationEndpoint = "https://www.facebook.com/v2.8/dialog/oauth";
-        internal const string TokenEndpoint = "https://graph.facebook.com/v2.8/oauth/access_token";
-        internal const string UserInformationEndpoint = "https://graph.facebook.com/v2.8/me";
+        // https://developers.facebook.com/docs/facebook-login/manually-build-a-login-flow#login
+        internal const string AuthorizationEndpoint = "https://www.facebook.com/v8.0/dialog/oauth";
+        internal const string TokenEndpoint = "https://graph.facebook.com/v8.0/oauth/access_token";
+        internal const string UserInformationEndpoint = "https://graph.facebook.com/v8.0/me";
     }
 }

src/Microsoft.Owin.Security.Google/Constants.cs

@@ -7,8 +7,9 @@ internal static class Constants
     {
         internal const string DefaultAuthenticationType = "Google";
 
+        // https://developers.google.com/identity/protocols/oauth2/web-server#httprest
         internal const string AuthorizationEndpoint = "https://accounts.google.com/o/oauth2/v2/auth";
-        internal const string TokenEndpoint = "https://www.googleapis.com/oauth2/v4/token";
+        internal const string TokenEndpoint = "https://oauth2.googleapis.com/token";
         internal const string UserInformationEndpoint = "https://www.googleapis.com/oauth2/v2/userinfo";
     }
 }

src/Microsoft.Owin.Security.MicrosoftAccount/Constants.cs

@@ -7,6 +7,7 @@ internal static class Constants
     {
         internal const string DefaultAuthenticationType = "Microsoft";
 
+        // https://developer.microsoft.com/en-us/graph/docs/concepts/auth_v2_user
         internal const string AuthorizationEndpoint = "https://login.microsoftonline.com/common/oauth2/v2.0/authorize";
         internal const string TokenEndpoint = "https://login.microsoftonline.com/common/oauth2/v2.0/token";
         internal const string UserInformationEndpoint = "https://graph.microsoft.com/v1.0/me";

src/Microsoft.Owin.Security.Twitter/TwitterAuthenticationHandler.cs

@@ -21,8 +21,11 @@ internal class TwitterAuthenticationHandler : AuthenticationHandler<TwitterAuthe
     {
         private static readonly DateTime Epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
         private const string StateCookie = "__TwitterState";
+        // https://developer.twitter.com/en/docs/basics/authentication/api-reference/request_token
         private const string RequestTokenEndpoint = "https://api.twitter.com/oauth/request_token";
+        // https://developer.twitter.com/en/docs/basics/authentication/api-reference/authenticate
         private const string AuthenticationEndpoint = "https://api.twitter.com/oauth/authenticate?oauth_token=";
+        // https://developer.twitter.com/en/docs/basics/authentication/api-reference/access_token
         private const string AccessTokenEndpoint = "https://api.twitter.com/oauth/access_token";
 
         private readonly HttpClient _httpClient;

src/Microsoft.Owin/Infrastructure/OwinHelpers.cs

@@ -820,7 +820,7 @@ internal static IFormCollection GetForm(string text)
         {
             IDictionary<string, string[]> form = new Dictionary<string, string[]>(StringComparer.OrdinalIgnoreCase);
             var accumulator = new Dictionary<string, List<string>>(StringComparer.OrdinalIgnoreCase);
-            ParseDelimited(text, new[] { '&' }, AppendItemCallback, decodePlus: false, decodeKey: true, state: accumulator);
+            ParseDelimited(text, new[] { '&' }, AppendItemCallback, decodePlus: true, decodeKey: true, state: accumulator);
             foreach (var kv in accumulator)
             {
                 form.Add(kv.Key, kv.Value.ToArray());

tests/Katana.Sandbox.WebServer/Startup.cs

@@ -136,13 +136,13 @@ public void Configuration(IAppBuilder app)
             app.UseOpenIdConnectAuthentication(new Microsoft.Owin.Security.OpenIdConnect.OpenIdConnectAuthenticationOptions()
             {
                 // https://github.com/IdentityServer/IdentityServer4.Demo/blob/master/src/IdentityServer4Demo/Config.cs
-                ClientId = "server.hybrid",
+                ClientId = "hybrid",
                 ClientSecret = "secret", // for code flow
                 Authority = "https://demo.identityserver.io/",
+                RedirectUri = "https://localhost:44318/signin-oidc",
                 /*
                 Authority = Environment.GetEnvironmentVariable("oidc:authority"),
                 ClientId = Environment.GetEnvironmentVariable("oidc:clientid"),
-                RedirectUri = "https://localhost:44318/",
                 ClientSecret = Environment.GetEnvironmentVariable("oidc:clientsecret"),*/
                 // CookieManager = new SystemWebCookieManager(),
                 CookieManager = new SameSiteCookieManager(),

tests/Microsoft.Owin.Tests/FormsTests.cs

@@ -14,7 +14,7 @@ public class FormsTests
         private static readonly string[] RawValues = new[] { "v1", "v2, v3", "\"v4, b\"", "v5, v6", "v7", };
         private const string JoinedValues = "v1,v2, v3,\"v4, b\",v5, v6,v7";
 
-        private const string OriginalFormsString = "q1=v1&q2=v2,b&q3=v3&q3=v4&q4&q5=v5&q5=v+5";
+        private const string OriginalFormsString = "q1=v1&q2=v2,b&q3=v3&q3=v4&q4&q5=v5&q5=v5&q+6=v+6";
 
         [Fact]
         public void ParseForm()
@@ -30,7 +30,8 @@ public void ParseForm()
             Assert.Equal("v2,b", form.Get("Q2"));
             Assert.Equal("v3,v4", form.Get("q3"));
             Assert.Null(form.Get("q4"));
-            Assert.Equal("v5,v+5", form.Get("Q5"));
+            Assert.Equal("v5,v5", form.Get("Q5"));
+            Assert.Equal("v 6", form.Get("Q 6"));
             Assert.True(stream.CanRead);
         }
 
@@ -89,7 +90,8 @@ public void ReadFromStream()
             Assert.Equal("v2,b", form.Get("Q2"));
             Assert.Equal("v3,v4", form.Get("q3"));
             Assert.Null(form.Get("q4"));
-            Assert.Equal("v5,v+5", form.Get("Q5"));
+            Assert.Equal("v5,v5", form.Get("Q5"));
+            Assert.Equal("v 6", form.Get("Q 6"));
         }
 
         [Fact]
@@ -107,14 +109,16 @@ public void ReadFromStreamTwice()
             Assert.Equal("v2,b", form.Get("Q2"));
             Assert.Equal("v3,v4", form.Get("q3"));
             Assert.Null(form.Get("q4"));
-            Assert.Equal("v5,v+5", form.Get("Q5"));
+            Assert.Equal("v5,v5", form.Get("Q5"));
+            Assert.Equal("v 6", form.Get("Q 6"));
 
             form = request.ReadFormAsync().Result;
             Assert.Equal("v1", form.Get("q1"));
             Assert.Equal("v2,b", form.Get("Q2"));
             Assert.Equal("v3,v4", form.Get("q3"));
             Assert.Null(form.Get("q4"));
-            Assert.Equal("v5,v+5", form.Get("Q5"));
+            Assert.Equal("v5,v5", form.Get("Q5"));
+            Assert.Equal("v 6", form.Get("Q 6"));
         }
     }
 }