function BlockContentAccessControlHandler::checkAccess

Overrides EntityAccessControlHandler::checkAccess

File

core/modules/block_content/src/BlockContentAccessControlHandler.php, line 57

Class

BlockContentAccessControlHandler

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

Namespace

Code

protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
    assert($entity instanceof BlockContentInterface);
    $bundle = $entity->bundle();
    $forbidIfNotReusable = fn(): AccessResultInterface => AccessResult::forbiddenIf($entity->isReusable() === FALSE, sprintf('Block content must be reusable to use `%s` operation', $operation));
    $access = AccessResult::allowedIfHasPermissions($account, [
        'administer block content',
    ]);
    if (!$access->isAllowed()) {
        $access = match ($operation) {    'view' => AccessResult::allowedIf($entity->isPublished())
                ->orIf(AccessResult::allowedIfHasPermission($account, 'access block library')),
            'update' => AccessResult::allowedIfHasPermission($account, 'edit any ' . $bundle . ' block content'),
            'delete' => AccessResult::allowedIfHasPermission($account, 'delete any ' . $bundle . ' block content'),
            'view revision', 'view all revisions' => AccessResult::allowedIfHasPermission($account, 'view any ' . $bundle . ' block content history'),
            'revert' => AccessResult::allowedIfHasPermission($account, 'revert any ' . $bundle . ' block content revisions')->orIf($forbidIfNotReusable()),
            'delete revision' => AccessResult::allowedIfHasPermission($account, 'delete any ' . $bundle . ' block content revisions')->orIf($forbidIfNotReusable()),
            default => 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);
    if ($entity->isReusable() === FALSE && $access->isForbidden() !== TRUE) {
        if (!$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);
            $this->eventDispatcher
                ->dispatch($event, BlockContentEvents::BLOCK_CONTENT_GET_DEPENDENCY);
            $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;
}