engine/http/RequestHandler: make beforeDispatch() method protected

src/engine/http/RequestHandler.php

@@ -120,7 +120,7 @@ abstract class RequestHandler
         }
     }
 
-    public function beforeDispatch(string $http_method, string $action) {}
+    protected function beforeDispatch(string $http_method, string $action) {}
 
     public function callAct(string $http_method, string $action, array $input = []) {
         $handler_method = $_SERVER['REQUEST_METHOD'].'_'.$action;

src/handlers/foreignone/AdminHandler.php

@@ -24,7 +24,7 @@ class AdminHandler
         $this->skin->options->insideAdminInterface = true;
     }
 
-    public function beforeDispatch(string $http_method, string $action) {
+    protected function beforeDispatch(string $http_method, string $action) {
         if ($action != 'login' && !isAdmin())
             throw new Forbidden();
     }