Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\user;
Chris@0: 
Chris@0: use Drupal\Core\Access\AccessResult;
Chris@0: use Drupal\Core\Entity\EntityAccessControlHandler;
Chris@0: use Drupal\Core\Entity\EntityInterface;
Chris@0: use Drupal\Core\Session\AccountInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Defines the access control handler for the user role entity type.
Chris@0:  *
Chris@0:  * @see \Drupal\user\Entity\Role
Chris@0:  */
Chris@0: class RoleAccessControlHandler extends EntityAccessControlHandler {
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
Chris@0:     switch ($operation) {
Chris@0:       case 'delete':
Chris@0:         if ($entity->id() == RoleInterface::ANONYMOUS_ID || $entity->id() == RoleInterface::AUTHENTICATED_ID) {
Chris@0:           return AccessResult::forbidden();
Chris@0:         }
Chris@0: 
Chris@0:       default:
Chris@0:         return parent::checkAccess($entity, $operation, $account);
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0: }