Added ability to log out

AzureAdMvcExample/AzureAdMvcExample.csproj

@@ -141,6 +141,7 @@
     <Compile Include="App_Start\RouteConfig.cs" />
     <Compile Include="App_Start\Startup.cs" />
     <Compile Include="Controllers\HomeController.cs" />
+    <Compile Include="Controllers\LogoutController.cs" />
     <Compile Include="Global.asax.cs">
       <DependentUpon>Global.asax</DependentUpon>
     </Compile>
@@ -176,6 +177,7 @@
     <Content Include="Views\Shared\_Layout.cshtml" />
     <Content Include="Views\Home\Index.cshtml" />
     <Content Include="Scripts\jquery-1.10.2.min.map" />
+    <Content Include="Views\Logout\Callback.cshtml" />
   </ItemGroup>
   <ItemGroup />
   <ItemGroup>

AzureAdMvcExample/Controllers/LogoutController.cs

@@ -0,0 +1,30 @@
+using System;
+using System.IdentityModel.Services;
+using System.Web.Mvc;
+
+namespace AzureAdMvcExample.Controllers
+{
+    public class LogoutController : Controller
+    {
+        public ActionResult Index()
+        {
+            var config = FederatedAuthentication.FederationConfiguration.WsFederationConfiguration;
+
+            var callbackUrl = Url.Action("Callback", "Logout", null, Request.Url.Scheme);
+            var signoutMessage = new SignOutRequestMessage(new Uri(config.Issuer), callbackUrl);
+            signoutMessage.SetParameter("wtrealm", config.Realm);
+            FederatedAuthentication.SessionAuthenticationModule.SignOut();
+
+            return new RedirectResult(signoutMessage.WriteQueryString());
+        }
+
+        [AllowAnonymous]
+        public ActionResult Callback()
+        {
+            if (Request.IsAuthenticated)
+                return RedirectToAction("Index", "Home");
+
+            return View();
+        }
+    }
+}

AzureAdMvcExample/Views/Logout/Callback.cshtml

@@ -0,0 +1,7 @@
+@{
+    ViewBag.Title = "Logged out";
+}
+
+<h1>Logged out</h1>
+
+<p>You have successfully logged out of this site. @Html.ActionLink("Log back in", "Index", "Home").</p>

AzureAdMvcExample/Views/Shared/_Layout.cshtml

@@ -21,6 +21,10 @@
             <div class="navbar-collapse collapse">
                 <ul class="nav navbar-nav">
                     <li>@Html.ActionLink("Home", "Index", "Home")</li>
+                    @if (User.Identity.IsAuthenticated)
+                    {
+                        <li>@Html.ActionLink("Logout", "Index", "Logout")</li>
+                    }
                 </ul>
             </div>
         </div>