Inits the workflow configuration

src/Yavsc/Pages/Account/Logout/LoggedOut.cshtml.cs

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+// Copyright (c) Duende Software. All rights reserved.
+// See LICENSE in the project root for license information.
+
+using Duende.IdentityServer.Services;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+
+namespace Yavsc.Pages.Logout;
+
+[SecurityHeaders]
+[AllowAnonymous]
+public class LoggedOut : PageModel
+{
+    private readonly IIdentityServerInteractionService _interactionService;
+
+    public LoggedOutViewModel View { get; set; } = default!;
+
+    public LoggedOut(IIdentityServerInteractionService interactionService)
+    {
+        _interactionService = interactionService;
+    }
+
+    public async Task OnGet(string? logoutId)
+    {
+        // get context information (client name, post logout redirect URI and iframe for federated signout)
+        var logout = await _interactionService.GetLogoutContextAsync(logoutId);
+
+        View = new LoggedOutViewModel
+        {
+            AutomaticRedirectAfterSignOut = LogoutOptions.AutomaticRedirectAfterSignOut,
+            PostLogoutRedirectUri = logout?.PostLogoutRedirectUri,
+            ClientName = String.IsNullOrEmpty(logout?.ClientName) ? logout?.ClientId : logout?.ClientName,
+            SignOutIframeUrl = logout?.SignOutIFrameUrl
+        };
+    }
+}