Remove special cookie ajax redirect behavior

src/Microsoft.AspNet.Authentication.Cookies/Notifications/CookieAuthenticationNotifications.cs

@@ -22,7 +22,7 @@ namespace Microsoft.AspNet.Authentication.Cookies
             OnResponseSignIn = context => { };
             OnResponseSignedIn = context => { };
             OnResponseSignOut = context => { };
-            OnApplyRedirect = DefaultBehavior.ApplyRedirect;
+            OnApplyRedirect = context => context.Response.Redirect(context.RedirectUri);
             OnException = context => { };
         }
 

src/Microsoft.AspNet.Authentication.Cookies/Notifications/DefaultBehavior.cs

@@ -1,57 +0,0 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
-
-using System;
-using Microsoft.AspNet.Http;
-using Newtonsoft.Json;
-
-namespace Microsoft.AspNet.Authentication.Cookies
-{
-    internal static class DefaultBehavior
-    {
-        internal static readonly Action<CookieApplyRedirectContext> ApplyRedirect = context =>
-        {
-            if (IsAjaxRequest(context.Request))
-            {
-                var jsonResponse = JsonConvert.SerializeObject(new
-                {
-                    status = context.Response.StatusCode,
-                    headers = new
-                    {
-                        location = context.RedirectUri
-                    }
-                }, Formatting.None);
-
-                context.Response.StatusCode = 200;
-                context.Response.Headers.Append("X-Responded-JSON", jsonResponse);
-            }
-            else
-            {
-                context.Response.Redirect(context.RedirectUri);
-            }
-        };
-
-        private static bool IsAjaxRequest(HttpRequest request)
-        {
-            var query = request.Query;
-            if (query != null)
-            {
-                if (query["X-Requested-With"] == "XMLHttpRequest")
-                {
-                    return true;
-                }
-            }
-
-            var headers = request.Headers;
-            if (headers != null)
-            {
-                if (headers["X-Requested-With"] == "XMLHttpRequest")
-                {
-                    return true;
-                }
-            }
-            return false;
-        }
-    }
-}

test/Microsoft.AspNet.Authentication.Test/Cookies/CookieMiddlewareTests.cs

@@ -533,27 +533,11 @@ namespace Microsoft.AspNet.Authentication.Cookies
 
             clock.Add(TimeSpan.FromMinutes(4));
 
-            Transaction transaction5 = await SendAsync(server, "http://example.com/me/Cookies", transaction4.CookieNameValue);
+            var transaction5 = await SendAsync(server, "http://example.com/me/Cookies", transaction4.CookieNameValue);
             transaction5.SetCookie.ShouldBe(null);
             FindClaimValue(transaction5, ClaimTypes.Name).ShouldBe("Alice");
         }
 
-        [Fact]
-        public async Task AjaxRedirectsAsExtraHeaderOnTwoHundred()
-        {
-            var server = CreateServer(options =>
-            {
-                options.LoginPath = new PathString("/login");
-                options.AutomaticAuthentication = true;
-            });
-
-            var transaction = await SendAsync(server, "http://example.com/protected", ajaxRequest: true);
-            transaction.Response.StatusCode.ShouldBe(HttpStatusCode.OK);
-            var responded = transaction.Response.Headers.GetValues("X-Responded-JSON");
-            responded.Count().ShouldBe(1);
-            responded.Single().ShouldContain("\"location\"");
-        }
-
         [Fact]
         public async Task CookieUsesPathBaseByDefault()
         {