ZfcRbac\Service\AuthorizationService::isGranted PHP Метод

    public function isGranted($permission, $context = null)
    {
        $roles = $this->roleService->getIdentityRoles();
        if (empty($roles)) {
            return false;
        }
        if (!$this->rbac->isGranted($roles, $permission)) {
            return false;
        }
        if ($this->hasAssertion($permission)) {
            return $this->assert($this->assertions[(string) $permission], $context);
        }
        return true;
    }

 public function updateAction()
 {
     $request = $this->getRequest();
     $recipe = $this->readService->findById($this->params('id'));
     if (false === $this->authorizationService->isGranted('recipe.manage', $recipe)) {
         throw new UnauthorizedException('Insufficient Permissions');
     }
     $viewModel = new ViewModel();
     $viewModel->setTemplate('recipe/update');
     $viewModel->setVariables(['form' => $this->form]);
     $this->form->bind($recipe);
     if ($request->isPost()) {
         $this->form->setData($request->getPost());
         if ($this->form->isValid()) {
             try {
                 $this->writeService->save($this->form->getData());
                 $this->flashMessenger()->addSuccessMessage('Rezept erfolgreich aktualisiert');
                 $this->redirect()->toRoute('recipe/read/update', ['id' => $this->params('id')]);
             } catch (\Exception $e) {
                 var_dump($e->getMessage());
             }
         }
     }
     $this->layout('layout/backend');
     return $viewModel;
 }