function BlockContentAccessControlHandler::checkAccess

Overrides EntityAccessControlHandler::checkAccess

File

core/modules/block_content/src/BlockContentAccessControlHandler.php, line 56

Class

BlockContentAccessControlHandler

Defines the access control handler for the custom block entity type.

Namespace

Code

protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
    if ($operation === 'view') {
        $access = AccessResult::allowedIf($entity->isPublished())
            ->orIf(AccessResult::allowedIfHasPermission($account, 'administer blocks'));
    }
    else {
        $access = parent::checkAccess($entity, $operation, $account);
    }
    // Add the entity as a cacheable dependency because access will at least be
    // determined by whether the block is reusable.
    $access->addCacheableDependency($entity);
    
    /** @var \Drupal\block_content\BlockContentInterface $entity */
    if ($entity->isReusable() === FALSE) {
        if (!$entity instanceof DependentAccessInterface) {
            throw new \LogicException("Non-reusable block entities must implement \\Drupal\\block_content\\Access\\DependentAccessInterface for access control.");
        }
        $dependency = $entity->getAccessDependency();
        if (empty($dependency)) {
            // If an access dependency has not been set let modules set one.
            $event = new BlockContentGetDependencyEvent($entity);
            $this->eventDispatcher
                ->dispatch($event, BlockContentEvents::BLOCK_CONTENT_GET_DEPENDENCY);
            $dependency = $event->getAccessDependency();
            if (empty($dependency)) {
                return AccessResult::forbidden("Non-reusable blocks must set an access dependency for access control.");
            }
        }
        
        /** @var \Drupal\Core\Entity\EntityInterface $dependency */
        $access = $access->andIf($dependency->access($operation, $account, TRUE));
    }
    return $access;
}