Merge pull request #1327 from DFE-Digital/bug/175300-logout-button-ac…

…tion-fix

Fixed logout button action

ConcernsCaseWork/ConcernsCaseWork/Pages/Logout.cshtml

@@ -0,0 +1,4 @@
+@page
+@model ConcernsCaseWork.Pages.LogoutModel
+@{
+}

ConcernsCaseWork/ConcernsCaseWork/Pages/Logout.cshtml.cs

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+using ConcernsCaseWork.Pages.Base;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Authentication.Cookies;
+using Microsoft.AspNetCore.Authentication.OpenIdConnect;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Configuration;
+using System.Threading.Tasks;
+
+namespace ConcernsCaseWork.Pages
+{
+	[Authorize]
+	public class LogoutModel : AbstractPageModel
+	{
+		public async Task<ActionResult> OnGetAsync()
+        {
+			await HttpContext.SignOutAsync(CookieAuthenticationDefaults.AuthenticationScheme);
+			await HttpContext.SignOutAsync(OpenIdConnectDefaults.AuthenticationScheme, new AuthenticationProperties
+			{
+				RedirectUri = "/"
+			});
+			return Page();
+		}
+    }
+}