Mercurial > hg > isophonics-drupal-site
view core/modules/block_content/src/BlockContentAccessControlHandler.php @ 19:fa3358dc1485 tip
Add ndrum files
author | Chris Cannam |
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date | Wed, 28 Aug 2019 13:14:47 +0100 |
parents | 129ea1e6d783 |
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<?php namespace Drupal\block_content; use Drupal\block_content\Access\DependentAccessInterface; use Drupal\block_content\Event\BlockContentGetDependencyEvent; use Drupal\Core\Access\AccessResult; use Drupal\Core\Entity\EntityHandlerInterface; use Drupal\Core\Entity\EntityInterface; use Drupal\Core\Entity\EntityAccessControlHandler; use Drupal\Core\Entity\EntityTypeInterface; use Drupal\Core\Session\AccountInterface; use Symfony\Component\DependencyInjection\ContainerInterface; use Symfony\Component\EventDispatcher\EventDispatcherInterface; /** * Defines the access control handler for the custom block entity type. * * @see \Drupal\block_content\Entity\BlockContent */ class BlockContentAccessControlHandler extends EntityAccessControlHandler implements EntityHandlerInterface { /** * The event dispatcher. * * @var \Symfony\Component\EventDispatcher\EventDispatcherInterface */ protected $eventDispatcher; /** * BlockContentAccessControlHandler constructor. * * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type * The entity type. * @param \Symfony\Component\EventDispatcher\EventDispatcherInterface $dispatcher * The event dispatcher. */ public function __construct(EntityTypeInterface $entity_type, EventDispatcherInterface $dispatcher) { parent::__construct($entity_type); $this->eventDispatcher = $dispatcher; } /** * {@inheritdoc} */ public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type) { return new static( $entity_type, $container->get('event_dispatcher') ); } /** * {@inheritdoc} */ 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(BlockContentEvents::BLOCK_CONTENT_GET_DEPENDENCY, $event); $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; } }