Introducing ChallengeResult to call Response.Challenge()

samples/MvcSample.Web/FiltersController.cs

@@ -43,6 +43,11 @@ namespace MvcSample.Web
             return Index(age, userName);
         }
 
+        public ActionResult ChallengeUser(int age = 20, string userName = "SampleUser")
+        {
+            return new ChallengeResult();
+        }
+
         [Authorize("Permission", "CanViewPage")]
         public ActionResult NotGrantedClaim(int age = 20, string userName = "SampleUser")
         {

src/Microsoft.AspNet.Mvc.Core/ActionResults/ChallengeResult.cs

@@ -0,0 +1,52 @@
+// 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;
+using Microsoft.AspNet.Http.Security;
+
+namespace Microsoft.AspNet.Mvc
+{
+    public class ChallengeResult : ActionResult
+    {
+        public ChallengeResult()
+            : this(new string[] { })
+        {
+        }
+
+        public ChallengeResult(string authenticationType)
+            : this(new[] { authenticationType })
+        {
+        }
+
+        public ChallengeResult(IList<string> authenticationTypes)
+            : this(authenticationTypes, properties: null)
+        {
+        }
+
+        public ChallengeResult(AuthenticationProperties properties)
+            : this(new string[] { }, properties)
+        {
+        }
+
+        public ChallengeResult(string authenticationType, AuthenticationProperties properties)
+            : this(new[] { authenticationType }, properties)
+        {
+        }
+
+        public ChallengeResult(IList<string> authenticationTypes, AuthenticationProperties properties)
+        {
+            AuthenticationTypes = authenticationTypes;
+            Properties = properties;
+        }
+
+        public IList<string> AuthenticationTypes { get; set; }
+
+        public AuthenticationProperties Properties { get; set; }
+
+        public override void ExecuteResult([NotNull] ActionContext context)
+        {
+            var response = context.HttpContext.Response;
+            response.Challenge(AuthenticationTypes, Properties);
+        }
+    }
+}

src/Microsoft.AspNet.Mvc.Core/Microsoft.AspNet.Mvc.Core.kproj

@@ -32,6 +32,7 @@
     <Compile Include="ActionNameAttribute.cs" />
     <Compile Include="ActionResult.cs" />
     <Compile Include="ActionResultHelper.cs" />
+    <Compile Include="ActionResults\ChallengeResult.cs" />
     <Compile Include="ActionResults\ContentResult.cs" />
     <Compile Include="ActionResults\EmptyResult.cs" />
     <Compile Include="ActionResults\HttpStatusCodeResult.cs" />
@@ -233,4 +234,4 @@
     <Compile Include="ViewDataDictionaryOfT.cs" />
   </ItemGroup>
   <Import Project="$(VSToolsPath)\AspNet\Microsoft.Web.AspNet.targets" Condition="'$(VSToolsPath)' != ''" />
-</Project>
+</Project>

test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/ChallengeResultTest.cs

@@ -0,0 +1,31 @@
+using System.Collections.Generic;
+using Microsoft.AspNet.Http;
+using Microsoft.AspNet.Routing;
+using Moq;
+using Xunit;
+
+namespace Microsoft.AspNet.Mvc.Core.Test.ActionResults
+{
+    public class ChallengeResultTest
+    {
+        [Fact]
+        public void ChallengeResult_Execute()
+        {
+            // Arrange
+            var result = new ChallengeResult(new string[] { }, null);
+            var httpContext = new Mock<HttpContext>();
+            var httpResponse = new Mock<HttpResponse>();
+            httpContext.Setup(o => o.Response).Returns(httpResponse.Object);
+            var actionContext = new ActionContext(httpContext.Object,
+                                                  Mock.Of<IRouter>(),
+                                                  new Dictionary<string, object>(),
+                                                  new ActionDescriptor());
+
+            // Act
+            result.ExecuteResult(actionContext);
+
+            // Assert
+            httpResponse.Verify(c => c.Challenge(new string[] { }, null), Times.Exactly(1));
+        }
+    }
+}

test/Microsoft.AspNet.Mvc.Core.Test/Microsoft.AspNet.Mvc.Core.Test.kproj

@@ -24,6 +24,7 @@
     <Compile Include="ActionAttributeTests.cs" />
     <Compile Include="ActionExecutorTests.cs" />
     <Compile Include="ActionResults\ObjectContentResultTests.cs" />
+    <Compile Include="ActionResults\ChallengeResultTest.cs" />
     <Compile Include="ActionResults\RedirectToActionResultTest.cs" />
     <Compile Include="ActionResults\RedirectToRouteResultTest.cs" />
     <Compile Include="ActionResults\RedirectResultTest.cs" />