MenuLinkContentAccessControlHandler.php

Same filename in other branches
  1. 9 core/modules/menu_link_content/src/MenuLinkContentAccessControlHandler.php
  2. 8.9.x core/modules/menu_link_content/src/MenuLinkContentAccessControlHandler.php
  3. 11.x core/modules/menu_link_content/src/MenuLinkContentAccessControlHandler.php

Namespace

Drupal\menu_link_content

File

core/modules/menu_link_content/src/MenuLinkContentAccessControlHandler.php

View source
<?php

namespace Drupal\menu_link_content;

use Drupal\Core\Access\AccessResult;
use Drupal\Core\Access\AccessManagerInterface;
use Drupal\Core\Entity\EntityAccessControlHandler;
use Drupal\Core\Entity\EntityHandlerInterface;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Session\AccountInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Defines the access control handler for the menu link content entity type.
 */
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);
        }
    }

}

Classes

Title Deprecated Summary
MenuLinkContentAccessControlHandler Defines the access control handler for the menu link content entity type.

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.