Added new Logout functionality for identityserver post logout redirect event.

modules/account/src/Volo.Abp.Account.Web.IdentityServer/Pages/Account/IdentityServerSupportedLogoutModel.cs

@@ -0,0 +1,44 @@
+using IdentityServer4.Services;
+using Microsoft.AspNetCore.Mvc;
+using System.Threading.Tasks;
+using Volo.Abp.DependencyInjection;
+
+namespace Volo.Abp.Account.Web.Pages.Account
+{
+    [ExposeServices(typeof(LogoutModel))]
+    public class IdentityServerSupportedLogoutModel : LogoutModel
+    {
+        protected IIdentityServerInteractionService Interaction { get; }
+
+        public IdentityServerSupportedLogoutModel(IIdentityServerInteractionService interaction)
+        {
+            Interaction = interaction;
+        }
+
+        public override async Task<IActionResult> OnGetAsync()
+        {
+            await SignInManager.SignOutAsync().ConfigureAwait(false);
+
+            var logoutId = Request.Query["logoutId"].ToString();
+
+            if (!string.IsNullOrEmpty(logoutId))
+            {
+                var logoutContext = await Interaction.GetLogoutContextAsync(logoutId).ConfigureAwait(false);
+
+                var postLogoutUri = logoutContext.PostLogoutRedirectUri;
+
+                if (!string.IsNullOrEmpty(postLogoutUri))
+                {
+                    return Redirect(postLogoutUri);
+                }
+            }
+
+            if (ReturnUrl != null)
+            {
+                return LocalRedirect(ReturnUrl);
+            }
+
+            return RedirectToPage("/Account/Login");
+        }
+    }
+}

modules/account/src/Volo.Abp.Account.Web/Areas/Account/Controllers/LogoutController.cs

@@ -17,6 +17,7 @@ namespace Volo.Abp.Account.Web.Areas.Account.Controllers
         }
 
         //todo@alper: this method can be moved to AccountController like "account/logout"
+        //No longer needed. Already implemented Pages/Account/Logout
         public async Task<IActionResult> Index(string returnUrl = null)
         {
             await _signInManager.SignOutAsync().ConfigureAwait(false);

modules/account/src/Volo.Abp.Account.Web/Pages/Account/Logout.cshtml

@@ -0,0 +1,3 @@
+@page "/Account/Logout"
+@inherits Volo.Abp.Account.Web.Pages.Account.AccountPage
+@model Volo.Abp.Account.Web.Pages.Account.LogoutModel

modules/account/src/Volo.Abp.Account.Web/Pages/Account/Logout.cshtml.cs

@@ -0,0 +1,27 @@
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Volo.Abp.Account.Web.Pages.Account
+{
+    public class LogoutModel : AccountPageModel
+    {
+        [HiddenInput]
+        [BindProperty(SupportsGet = true)]
+        public string ReturnUrl { get; set; }
+
+        [HiddenInput]
+        [BindProperty(SupportsGet = true)]
+        public string ReturnUrlHash { get; set; }
+
+        public virtual async Task<IActionResult> OnGetAsync()
+        {
+            await SignInManager.SignOutAsync().ConfigureAwait(false);
+            if (ReturnUrl != null)
+            {
+                return RedirectSafely(ReturnUrl, ReturnUrlHash);
+            }
+
+            return RedirectToPage("/Account/Login");
+        }
+    }
+}