MAPG-143 make it possible to disable game for guests (default is disable)

src/Controller/GameController.php

@@ -2,6 +2,7 @@
 
 use DateTime;
 use Faker\Factory;
+use MapGuesser\Interfaces\Authorization\ISecured;
 use MapGuesser\Interfaces\Request\IRequest;
 use MapGuesser\Response\HtmlContent;
 use MapGuesser\Response\JsonContent;
@@ -14,7 +15,7 @@ use MapGuesser\Repository\MapRepository;
 use MapGuesser\Repository\MultiRoomRepository;
 use MapGuesser\Response\Redirect;
 
-class GameController
+class GameController implements ISecured
 {
     private IRequest $request;
 
@@ -35,6 +36,11 @@ class GameController
         $this->mapRepository = new MapRepository();
     }
 
+    public function authorize(): bool
+    {
+        return !empty($_ENV['ENABLE_GAME_FOR_GUESTS']) || $this->request->user() !== null;
+    }
+
     public function getGame(): IContent
     {
         $mapId = (int) $this->request->query('mapId');