protected function MediaAccessControlHandler::checkAccess in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/media/src/MediaAccessControlHandler.php \Drupal\media\MediaAccessControlHandler::checkAccess()

Performs access checks.

This method is supposed to be overwritten by extending classes that do their own custom access checking.

Parameters

\Drupal\Core\Entity\EntityInterface $entity: The entity for which to check access.

string $operation: The entity operation. Usually one of 'view', 'view label', 'update' or 'delete'.

\Drupal\Core\Session\AccountInterface $account: The user for which to check access.

Return value

\Drupal\Core\Access\AccessResultInterface The access result.

Overrides EntityAccessControlHandler::checkAccess

File

core/modules/media/src/MediaAccessControlHandler.php, line 18

Class

MediaAccessControlHandler

Defines an access control handler for media items.

Namespace

Drupal\media

Code

protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
  if ($account
    ->hasPermission('administer media')) {
    return AccessResult::allowed()
      ->cachePerPermissions();
  }
  $type = $entity
    ->bundle();
  $is_owner = $account
    ->id() && $account
    ->id() === $entity
    ->getOwnerId();
  switch ($operation) {
    case 'view':
      if ($entity
        ->isPublished()) {
        $access_result = AccessResult::allowedIf($account
          ->hasPermission('view media'))
          ->cachePerPermissions()
          ->addCacheableDependency($entity);
        if (!$access_result
          ->isAllowed()) {
          $access_result
            ->setReason("The 'view media' permission is required when the media item is published.");
        }
      }
      elseif ($account
        ->hasPermission('view own unpublished media')) {
        $access_result = AccessResult::allowedIf($is_owner)
          ->cachePerPermissions()
          ->cachePerUser()
          ->addCacheableDependency($entity);
        if (!$access_result
          ->isAllowed()) {
          $access_result
            ->setReason("The user must be the owner and the 'view own unpublished media' permission is required when the media item is unpublished.");
        }
      }
      else {
        $access_result = AccessResult::neutral()
          ->cachePerPermissions()
          ->addCacheableDependency($entity)
          ->setReason("The user must be the owner and the 'view own unpublished media' permission is required when the media item is unpublished.");
      }
      return $access_result;
    case 'update':
      if ($account
        ->hasPermission('edit any ' . $type . ' media')) {
        return AccessResult::allowed()
          ->cachePerPermissions();
      }
      if ($account
        ->hasPermission('edit own ' . $type . ' media') && $is_owner) {
        return AccessResult::allowed()
          ->cachePerPermissions()
          ->cachePerUser()
          ->addCacheableDependency($entity);
      }

      // @todo Deprecate this permission in
      // https://www.drupal.org/project/drupal/issues/2925459.
      if ($account
        ->hasPermission('update any media')) {
        return AccessResult::allowed()
          ->cachePerPermissions();
      }
      if ($account
        ->hasPermission('update media') && $is_owner) {
        return AccessResult::allowed()
          ->cachePerPermissions()
          ->cachePerUser()
          ->addCacheableDependency($entity);
      }
      return AccessResult::neutral("The following permissions are required: 'update any media' OR 'update own media' OR '{$type}: edit any media' OR '{$type}: edit own media'.")
        ->cachePerPermissions();
    case 'delete':
      if ($account
        ->hasPermission('delete any ' . $type . ' media')) {
        return AccessResult::allowed()
          ->cachePerPermissions();
      }
      if ($account
        ->hasPermission('delete own ' . $type . ' media') && $is_owner) {
        return AccessResult::allowed()
          ->cachePerPermissions()
          ->cachePerUser()
          ->addCacheableDependency($entity);
      }

      // @todo Deprecate this permission in
      // https://www.drupal.org/project/drupal/issues/2925459.
      if ($account
        ->hasPermission('delete any media')) {
        return AccessResult::allowed()
          ->cachePerPermissions();
      }
      if ($account
        ->hasPermission('delete media') && $is_owner) {
        return AccessResult::allowed()
          ->cachePerPermissions()
          ->cachePerUser()
          ->addCacheableDependency($entity);
      }
      return AccessResult::neutral("The following permissions are required: 'delete any media' OR 'delete own media' OR '{$type}: delete any media' OR '{$type}: delete own media'.")
        ->cachePerPermissions();
    default:
      return AccessResult::neutral()
        ->cachePerPermissions();
  }
}