class EntityAccessControlHandlerBase in Entity API 8

@internal

Hierarchy

• class \Drupal\Core\Entity\EntityHandlerBase uses DependencySerializationTrait, StringTranslationTrait
  • class \Drupal\Core\Entity\EntityAccessControlHandler implements EntityAccessControlHandlerInterface
    • class \Drupal\entity\EntityAccessControlHandlerBase

File

src/EntityAccessControlHandlerBase.php, line 14

Namespace

Drupal\entity

class EntityAccessControlHandlerBase extends CoreEntityAccessControlHandler {

  /**
   * {@inheritdoc}
   */
  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
    $account = $this
      ->prepareUser($account);

    /** @var \Drupal\Core\Access\AccessResult $result */
    $result = parent::checkAccess($entity, $operation, $account);
    if ($result
      ->isNeutral()) {
      if ($entity instanceof EntityOwnerInterface) {
        $result = $this
          ->checkEntityOwnerPermissions($entity, $operation, $account);
      }
      else {
        $result = $this
          ->checkEntityPermissions($entity, $operation, $account);
      }
    }

    // Ensure that access is evaluated again when the entity changes.
    return $result
      ->addCacheableDependency($entity);
  }

  /**
   * Checks the entity operation and bundle permissions.
   *
   * @param \Drupal\Core\Entity\EntityInterface $entity
   *   The entity for which to check access.
   * @param string $operation
   *   The entity operation. Usually one of 'view', 'view label', 'update',
   *   'duplicate' or 'delete'.
   * @param \Drupal\Core\Session\AccountInterface $account
   *   The user for which to check access.
   *
   * @return \Drupal\Core\Access\AccessResultInterface
   *   The access result.
   */
  protected function checkEntityPermissions(EntityInterface $entity, $operation, AccountInterface $account) {
    $permissions = [
      "{$operation} {$entity->getEntityTypeId()}",
      "{$operation} {$entity->bundle()} {$entity->getEntityTypeId()}",
    ];
    return AccessResult::allowedIfHasPermissions($account, $permissions, 'OR');
  }

  /**
   * Checks the entity operation and bundle permissions, with owners.
   *
   * @param \Drupal\Core\Entity\EntityInterface $entity
   *   The entity for which to check access.
   * @param string $operation
   *   The entity operation. Usually one of 'view', 'view label', 'update',
   *   'duplicate' or 'delete'.
   * @param \Drupal\Core\Session\AccountInterface $account
   *   The user for which to check access.
   *
   * @return \Drupal\Core\Access\AccessResultInterface
   *   The access result.
   */
  protected function checkEntityOwnerPermissions(EntityInterface $entity, $operation, AccountInterface $account) {

    /** @var \Drupal\user\EntityOwnerInterface $entity */

    // The "any" permission grants access regardless of the entity owner.
    $any_result = AccessResult::allowedIfHasPermissions($account, [
      "{$operation} any {$entity->getEntityTypeId()}",
      "{$operation} any {$entity->bundle()} {$entity->getEntityTypeId()}",
    ], 'OR');
    if ($any_result
      ->isAllowed()) {
      return $any_result;
    }
    if ($account
      ->id() == $entity
      ->getOwnerId()) {
      $own_result = AccessResult::allowedIfHasPermissions($account, [
        "{$operation} own {$entity->getEntityTypeId()}",
        "{$operation} own {$entity->bundle()} {$entity->getEntityTypeId()}",
      ], 'OR');
    }
    else {
      $own_result = AccessResult::neutral()
        ->cachePerPermissions();
    }

    // The "own" permission is based on the current user's ID, so the result
    // must be cached per user.
    return $own_result
      ->cachePerUser();
  }

  /**
   * {@inheritdoc}
   */
  protected function checkCreateAccess(AccountInterface $account, array $context, $entity_bundle = NULL) {
    $result = parent::checkCreateAccess($account, $context, $entity_bundle);
    if ($result
      ->isNeutral()) {
      $permissions = [
        $this->entityType
          ->getAdminPermission() ?: 'administer ' . $this->entityTypeId,
        'create ' . $this->entityTypeId,
      ];
      if ($entity_bundle) {
        $permissions[] = 'create ' . $entity_bundle . ' ' . $this->entityTypeId;
      }
      $result = AccessResult::allowedIfHasPermissions($account, $permissions, 'OR');
    }
    return $result;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
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::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.
EntityAccessControlHandler::__construct	public	function	Constructs an access control handler instance.	5
EntityAccessControlHandlerBase::checkAccess	protected	function	Performs access checks. Overrides EntityAccessControlHandler::checkAccess
EntityAccessControlHandlerBase::checkCreateAccess	protected	function	Performs create access checks. Overrides EntityAccessControlHandler::checkCreateAccess
EntityAccessControlHandlerBase::checkEntityOwnerPermissions	protected	function	Checks the entity operation and bundle permissions, with owners.	2
EntityAccessControlHandlerBase::checkEntityPermissions	protected	function	Checks the entity operation and bundle permissions.
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.