SignOutContext needs AuthenticationProperties

src/Microsoft.AspNet.Http.Core/Authentication/SignOutContext.cs

@@ -11,13 +11,16 @@ namespace Microsoft.AspNet.Http.Core.Authentication
     {
         private bool _accepted;
 
-        public SignOutContext(string authenticationScheme)
+        public SignOutContext([NotNull] string authenticationScheme, IDictionary<string, string> properties)
         {
             AuthenticationScheme = authenticationScheme;
+            Properties = properties ?? new Dictionary<string, string>(StringComparer.Ordinal);
         }
 
         public string AuthenticationScheme { get; }
 
+        public IDictionary<string, string> Properties { get; }
+
         public bool Accepted
         {
             get { return _accepted; }

src/Microsoft.AspNet.Http.Core/DefaultHttpResponse.cs

@@ -7,13 +7,11 @@ using System.IO;
 using System.Linq;
 using System.Security.Claims;
 using Microsoft.AspNet.FeatureModel;
+using Microsoft.AspNet.Http.Authentication;
+using Microsoft.AspNet.Http.Core.Authentication;
 using Microsoft.AspNet.Http.Core.Collections;
 using Microsoft.AspNet.Http.Core.Infrastructure;
-using Microsoft.AspNet.Http.Core.Authentication;
 using Microsoft.AspNet.Http.Infrastructure;
-using Microsoft.AspNet.Http;
-using Microsoft.AspNet.Http.Authentication;
-using Microsoft.AspNet.Http.Authentication;
 
 namespace Microsoft.AspNet.Http.Core
 {
@@ -162,11 +160,11 @@ namespace Microsoft.AspNet.Http.Core
             }
         }
 
-        public override void SignOut(string authenticationScheme)
+        public override void SignOut(string authenticationScheme, AuthenticationProperties properties)
         {
             var handler = HttpAuthenticationFeature.Handler;
 
-            var signOutContext = new SignOutContext(authenticationScheme);
+            var signOutContext = new SignOutContext(authenticationScheme, properties?.Dictionary);
             if (handler != null)
             {
                 handler.SignOut(signOutContext);
@@ -178,5 +176,10 @@ namespace Microsoft.AspNet.Http.Core
                 throw new InvalidOperationException("The following authentication scheme was not accepted: " + authenticationScheme);
             }
         }
+
+        public override void SignOut(string authenticationScheme)
+        {
+            SignOut(authenticationScheme, properties: null);
+        }
     }
 }

src/Microsoft.AspNet.Http.Interfaces/Security/ISignOutContext.cs

@@ -1,12 +1,16 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
+using System.Collections.Generic;
+
 namespace Microsoft.AspNet.Http.Authentication
 {
     public interface ISignOutContext 
     {
         string AuthenticationScheme { get; }
 
+        IDictionary<string, string> Properties { get; }
+
         void Accept();
     }
 }

src/Microsoft.AspNet.Http/HttpResponse.cs

@@ -61,7 +61,7 @@ namespace Microsoft.AspNet.Http
 
         public virtual void Challenge(IEnumerable<string> authenticationSchemes)
         {
-            Challenge(properties: null, authenticationSchemes:  authenticationSchemes);
+            Challenge(properties: null, authenticationSchemes: authenticationSchemes);
         }
 
         public virtual void Challenge(AuthenticationProperties properties, params string[] authenticationSchemes)
@@ -75,9 +75,11 @@ namespace Microsoft.AspNet.Http
 
         public virtual void SignOut()
         {
-            SignOut(authenticationScheme: null);
+            SignOut(authenticationScheme: null, properties: null);
         }
 
         public abstract void SignOut(string authenticationScheme);
+
+        public abstract void SignOut(string authenticationScheme, AuthenticationProperties properties);
     }
 }

test/Microsoft.AspNet.Http.Core.Tests/DefaultHttpContextTests.cs

@@ -90,6 +90,8 @@ namespace Microsoft.AspNet.Http.Core.Tests
             Assert.False(handler.SignedIn);
             context.Response.SignIn("ignored", user);
             Assert.True(handler.SignedIn);
+            context.Response.SignOut("ignored", new AuthenticationProperties() { RedirectUri = "~/logout" });
+            Assert.False(handler.SignedIn);
         }
 
         private class AuthHandler : IAuthenticationHandler