www/apis/youtube/vendor/symfony/http-kernel/EventListener/DisallowRobotsIndexingListener.php000060400000002161151160566230031747 0ustar00home/alospiesjs * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\HttpKernel\EventListener; use Symfony\Component\EventDispatcher\EventSubscriberInterface; use Symfony\Component\HttpKernel\Event\ResponseEvent; use Symfony\Component\HttpKernel\KernelEvents; /** * Ensures that the application is not indexed by search engines. * * @author Gary PEGEOT */ class DisallowRobotsIndexingListener implements EventSubscriberInterface { private const HEADER_NAME = 'X-Robots-Tag'; public function onResponse(ResponseEvent $event): void { if (!$event->getResponse()->headers->has(static::HEADER_NAME)) { $event->getResponse()->headers->set(static::HEADER_NAME, 'noindex'); } } /** * {@inheritdoc} */ public static function getSubscribedEvents(): array { return [ KernelEvents::RESPONSE => ['onResponse', -255], ]; } }