function NodeAccessControlHandler::checkAccess

Overrides EntityAccessControlHandler::checkAccess

File

core/modules/node/src/NodeAccessControlHandler.php, line 95

Class

NodeAccessControlHandler

Defines the access control handler for the node entity type.

Namespace

Code

protected function checkAccess(EntityInterface $node, $operation, AccountInterface $account) {
    
    /** @var \Drupal\node\NodeInterface $node */
    // Fetch information from the node object if possible.
    $status = $node->isPublished();
    $uid = $node->getOwnerId();
    // Check if authors can view their own unpublished nodes.
    if ($operation === 'view' && !$status && $account->hasPermission('view own unpublished content') && $account->isAuthenticated() && $account->id() == $uid) {
        return AccessResult::allowed()->cachePerPermissions()
            ->cachePerUser()
            ->addCacheableDependency($node);
    }
    // Evaluate node grants.
    $access_result = $this->grantStorage
        ->access($node, $operation, $account);
    if ($operation === 'view' && $access_result instanceof RefinableCacheableDependencyInterface) {
        // Node variations can affect the access to the node. For instance, the
        // access result cache varies on the node's published status. Only the
        // 'view' node grant can currently be cached. The 'update' and 'delete'
        // grants are already marked as uncacheable in the node grant storage.
        // @see \Drupal\node\NodeGrantDatabaseStorage::access()
        $access_result->addCacheableDependency($node);
    }
    return $access_result;
}