Fixed #1680: Can't logout from the Web UI.

framework/src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/Authentication/ChallengeAccountController.cs

@@ -0,0 +1,85 @@
+using System;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Volo.Abp.AspNetCore.Mvc.Authentication
+{
+    public abstract class ChallengeAccountController : AbpController
+    {
+        protected string[] ChallengeAuthenticationSchemas { get; }
+
+        protected ChallengeAccountController(string[] challengeAuthenticationSchemas = null)
+        {
+            ChallengeAuthenticationSchemas = challengeAuthenticationSchemas ?? new[]{ "oidc" };
+        }
+
+        [HttpGet]
+        public ActionResult Login(string returnUrl = "", string returnUrlHash = "")
+        {
+            if (CurrentUser.IsAuthenticated)
+            {
+                return RedirectSafely(returnUrl, returnUrlHash);
+            }
+            else
+            {
+                return Challenge(
+                    new AuthenticationProperties
+                    {
+                        Parameters =
+                        {
+                            {"returnUrl", returnUrl},
+                            {"returnUrlHash", returnUrlHash}
+                        }
+                    },
+                    ChallengeAuthenticationSchemas
+                );
+            }
+        }
+
+        [HttpGet]
+        public async Task<ActionResult> Logout(string returnUrl = "", string returnUrlHash = "")
+        {
+            await HttpContext.SignOutAsync();
+
+            return RedirectSafely(returnUrl, returnUrlHash);
+        }
+
+        protected RedirectResult RedirectSafely(string returnUrl, string returnUrlHash = null)
+        {
+            return Redirect(GetRedirectUrl(returnUrl, returnUrlHash));
+        }
+
+        private string GetRedirectUrl(string returnUrl, string returnUrlHash = null)
+        {
+            returnUrl = NormalizeReturnUrl(returnUrl);
+
+            if (!returnUrlHash.IsNullOrWhiteSpace())
+            {
+                returnUrl = returnUrl + returnUrlHash;
+            }
+
+            return returnUrl;
+        }
+
+        private string NormalizeReturnUrl(string returnUrl)
+        {
+            if (returnUrl.IsNullOrEmpty())
+            {
+                return GetAppHomeUrl();
+            }
+
+            if (Url.IsLocalUrl(returnUrl))
+            {
+                return returnUrl;
+            }
+
+            return GetAppHomeUrl();
+        }
+
+        protected virtual string GetAppHomeUrl()
+        {
+            return "/";
+        }
+    }
+}

templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Web.Host/Controllers/AccountController.cs

@@ -0,0 +1,9 @@
+using Volo.Abp.AspNetCore.Mvc.Authentication;
+
+namespace MyCompanyName.MyProjectName.Web.Controllers
+{
+    public class AccountController : ChallengeAccountController
+    {
+
+    }
+}

templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Web.Host/Menus/MyProjectNameMenuContributor.cs

@@ -16,9 +16,13 @@ namespace MyCompanyName.MyProjectName.Web.Menus
             {
                 await ConfigureMainMenuAsync(context);
             }
+            else if (context.Menu.Name == StandardMenus.User)
+            {
+                await ConfigureUserMenuAsync(context);
+            }
         }
 
-        private async Task ConfigureMainMenuAsync(MenuConfigurationContext context)
+        private Task ConfigureMainMenuAsync(MenuConfigurationContext context)
         {
             if (!MultiTenancyConsts.IsEnabled)
             {
@@ -29,6 +33,17 @@ namespace MyCompanyName.MyProjectName.Web.Menus
             var l = context.ServiceProvider.GetRequiredService<IStringLocalizer<MyProjectNameResource>>();
 
             context.Menu.Items.Insert(0, new ApplicationMenuItem("MyProjectName.Home", l["Menu:Home"], "/"));
+
+            return Task.CompletedTask;
+        }
+
+        private Task ConfigureUserMenuAsync(MenuConfigurationContext context)
+        {
+            var l = context.ServiceProvider.GetRequiredService<IStringLocalizer<MyProjectNameResource>>();
+
+            context.Menu.AddItem(new ApplicationMenuItem("Account.Logout", l["Logout"], url: "/Account/Logout", icon: "fa fa-power-off", order: int.MaxValue - 1000));
+
+            return Task.CompletedTask;
         }
     }
 }