class MenuLinkContentAccessControlHandler in Drupal 9

Defines the access control handler for the menu link content entity type.

Hierarchy

• class \Drupal\Core\Entity\EntityHandlerBase uses DependencySerializationTrait, StringTranslationTrait
  • class \Drupal\Core\Entity\EntityAccessControlHandler implements EntityAccessControlHandlerInterface
    • class \Drupal\menu_link_content\MenuLinkContentAccessControlHandler implements EntityHandlerInterface

1 file declares its use of MenuLinkContentAccessControlHandler

MenuLinkContentEntityAccessTest.php in core/modules/menu_link_content/tests/src/Unit/MenuLinkContentEntityAccessTest.php

File

core/modules/menu_link_content/src/MenuLinkContentAccessControlHandler.php, line 17

Namespace

Drupal\menu_link_content

class MenuLinkContentAccessControlHandler extends EntityAccessControlHandler implements EntityHandlerInterface {

  /**
   * The access manager to check routes by name.
   *
   * @var \Drupal\Core\Access\AccessManagerInterface
   */
  protected $accessManager;

  /**
   * Creates a new MenuLinkContentAccessControlHandler.
   *
   * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
   *   The entity type definition.
   * @param \Drupal\Core\Access\AccessManagerInterface $access_manager
   *   The access manager to check routes by name.
   */
  public function __construct(EntityTypeInterface $entity_type, AccessManagerInterface $access_manager) {
    parent::__construct($entity_type);
    $this->accessManager = $access_manager;
  }

  /**
   * {@inheritdoc}
   */
  public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type) {
    return new static($entity_type, $container
      ->get('access_manager'));
  }

  /**
   * {@inheritdoc}
   */
  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
    switch ($operation) {
      case 'view':

        // There is no direct viewing of a menu link, but still for purposes of
        // content_translation we need a generic way to check access.
        return AccessResult::allowedIfHasPermission($account, 'administer menu');
      case 'update':
        if (!$account
          ->hasPermission('administer menu')) {
          return AccessResult::neutral("The 'administer menu' permission is required.")
            ->cachePerPermissions();
        }
        else {

          // Assume that access is allowed.
          $access = AccessResult::allowed()
            ->cachePerPermissions()
            ->addCacheableDependency($entity);

          /** @var \Drupal\menu_link_content\MenuLinkContentInterface $entity */

          // If the link is routed determine whether the user has access unless
          // they have the 'link to any page' permission.
          if (!$account
            ->hasPermission('link to any page') && ($url_object = $entity
            ->getUrlObject()) && $url_object
            ->isRouted()) {
            $link_access = $this->accessManager
              ->checkNamedRoute($url_object
              ->getRouteName(), $url_object
              ->getRouteParameters(), $account, TRUE);
            $access = $access
              ->andIf($link_access);
          }
          return $access;
        }
      case 'delete':
        return AccessResult::allowedIfHasPermission($account, 'administer menu')
          ->andIf(AccessResult::allowedIf(!$entity
          ->isNew())
          ->addCacheableDependency($entity));
      default:
        return parent::checkAccess($entity, $operation, $account);
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DependencySerializationTrait::$_entityStorages	protected	property
DependencySerializationTrait::$_serviceIds	protected	property
DependencySerializationTrait::__sleep	public	function		2
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::$moduleHandler	protected	property	The module handler to invoke hooks on.	5
EntityHandlerBase::moduleHandler	protected	function	Gets the module handler.	5
EntityHandlerBase::setModuleHandler	public	function	Sets the module handler for this handler.
MenuLinkContentAccessControlHandler::$accessManager	protected	property	The access manager to check routes by name.
MenuLinkContentAccessControlHandler::checkAccess	protected	function	Performs access checks. Overrides EntityAccessControlHandler::checkAccess
MenuLinkContentAccessControlHandler::createInstance	public static	function	Instantiates a new instance of this entity handler. Overrides EntityHandlerInterface::createInstance
MenuLinkContentAccessControlHandler::__construct	public	function	Creates a new MenuLinkContentAccessControlHandler. Overrides EntityAccessControlHandler::__construct
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	4
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.