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class BlockContentAccessControlHandler in Drupal 8

Same name and namespace in other branches
  1. 9 core/modules/block_content/src/BlockContentAccessControlHandler.php \Drupal\block_content\BlockContentAccessControlHandler

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

Hierarchy

Expanded class hierarchy of BlockContentAccessControlHandler

See also

\Drupal\block_content\Entity\BlockContent

1 file declares its use of BlockContentAccessControlHandler
BlockContentAccessHandlerTest.php in core/modules/block_content/tests/src/Kernel/BlockContentAccessHandlerTest.php

File

core/modules/block_content/src/BlockContentAccessControlHandler.php, line 21

Namespace

Drupal\block_content
View source
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;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
BlockContentAccessControlHandler::$eventDispatcher protected property The event dispatcher.
BlockContentAccessControlHandler::checkAccess protected function Performs access checks. Overrides EntityAccessControlHandler::checkAccess
BlockContentAccessControlHandler::createInstance public static function Instantiates a new instance of this entity handler. Overrides EntityHandlerInterface::createInstance
BlockContentAccessControlHandler::__construct public function BlockContentAccessControlHandler constructor. Overrides EntityAccessControlHandler::__construct
DependencySerializationTrait::$_entityStorages protected property An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function 1
DependencySerializationTrait::__wakeup public function 2
EntityAccessControlHandler::$accessCache protected property Stores calculated access check results.
EntityAccessControlHandler::$entityType protected property Information about the entity type.
EntityAccessControlHandler::$entityTypeId protected property The entity type ID of the access control handler instance.
EntityAccessControlHandler::$viewLabelOperation protected property Allows to grant access to just the labels. 5
EntityAccessControlHandler::access public function Checks access to an operation on a given entity or entity translation. Overrides EntityAccessControlHandlerInterface::access 1
EntityAccessControlHandler::checkCreateAccess protected function Performs create access checks. 14
EntityAccessControlHandler::checkFieldAccess protected function Default field access as determined by this access control handler. 4
EntityAccessControlHandler::createAccess public function Checks access to create an entity. Overrides EntityAccessControlHandlerInterface::createAccess 1
EntityAccessControlHandler::fieldAccess public function Checks access to an operation on a given entity field. Overrides EntityAccessControlHandlerInterface::fieldAccess
EntityAccessControlHandler::getCache protected function Tries to retrieve a previously cached access value from the static cache.
EntityAccessControlHandler::prepareUser protected function Loads the current account object, if it does not exist yet.
EntityAccessControlHandler::processAccessHookResults protected function We grant access to the entity if both of these conditions are met:
EntityAccessControlHandler::resetCache public function Clears all cached access checks. Overrides EntityAccessControlHandlerInterface::resetCache
EntityAccessControlHandler::setCache protected function Statically caches whether the given user has access.
EntityHandlerBase::$moduleHandler protected property The module handler to invoke hooks on. 2
EntityHandlerBase::moduleHandler protected function Gets the module handler. 2
EntityHandlerBase::setModuleHandler public function Sets the module handler for this handler.
StringTranslationTrait::$stringTranslation protected property The string translation service. 1
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.