Merge pull request 'Fixed cookie and header collision issue on signout' (#119) from logout-fix into master

Reviewed-on: #119

LiteCharms.Features/Extensions/Api.cs

@@ -77,6 +77,8 @@ public static class Api
             options.SaveTokens = true;
             options.GetClaimsFromUserInfoEndpoint = true;
 
+            options.ForwardSignOut = CookieAuthenticationDefaults.AuthenticationScheme;
+
             options.Scope.Clear();
             options.Scope.Add("openid");
             options.Scope.Add("profile");
@@ -143,17 +145,22 @@ public static class Api
             });
         });
 
-        app.MapGet("/logout", async (HttpContext context) =>
+        app.MapGet("/logout", async (HttpContext context, string? redirectUri = null) =>
         {
             var idToken = await context.GetTokenAsync("id_token");
 
-            var authProperties = new AuthenticationProperties { RedirectUri = "/", };
+            if (string.IsNullOrWhiteSpace(redirectUri))
+            {
+                var host = context.Request.Host.ToUriComponent();
+                redirectUri = $"https://{host}/";
+            }
+
+            var authProperties = new AuthenticationProperties { RedirectUri = redirectUri, };
 
             if (!string.IsNullOrEmpty(idToken))
                 authProperties.Parameters.Add("id_token_hint", idToken);
 
             await context.SignOutAsync(OpenIdConnectDefaults.AuthenticationScheme, authProperties);
-            await context.SignOutAsync(CookieAuthenticationDefaults.AuthenticationScheme);
         });
 
         return app;