Mercurial > hg > isophonics-drupal-site
view core/lib/Drupal/Core/EventSubscriber/KernelDestructionSubscriber.php @ 13:5fb285c0d0e3
Update Drupal core to 8.4.7 via Composer. Security update; I *think* we've
been lucky to get away with this so far, as we don't support self-registration
which seems to be used by the so-called "drupalgeddon 2" attack that 8.4.5
was vulnerable to.
author | Chris Cannam |
---|---|
date | Mon, 23 Apr 2018 09:33:26 +0100 |
parents | 4c8ae668cc8c |
children | 129ea1e6d783 |
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<?php namespace Drupal\Core\EventSubscriber; use Symfony\Component\DependencyInjection\ContainerAwareInterface; use Symfony\Component\DependencyInjection\ContainerAwareTrait; use Symfony\Component\EventDispatcher\EventSubscriberInterface; use Symfony\Component\HttpKernel\Event\PostResponseEvent; use Symfony\Component\HttpKernel\KernelEvents; /** * Destructs services that are initiated and tagged with "needs_destruction". * * @see \Drupal\Core\DestructableInterface */ class KernelDestructionSubscriber implements EventSubscriberInterface, ContainerAwareInterface { use ContainerAwareTrait; /** * Holds an array of service ID's that will require destruction. * * @var array */ protected $services = []; /** * Registers a service for destruction. * * Calls to this method are set up in * RegisterServicesForDestructionPass::process(). * * @param string $id * Name of the service. */ public function registerService($id) { $this->services[] = $id; } /** * Invoked by the terminate kernel event. * * @param \Symfony\Component\HttpKernel\Event\PostResponseEvent $event * The event object. */ public function onKernelTerminate(PostResponseEvent $event) { foreach ($this->services as $id) { // Check if the service was initialized during this request, destruction // is not necessary if the service was not used. if ($this->container->initialized($id)) { $service = $this->container->get($id); $service->destruct(); } } } /** * Registers the methods in this class that should be listeners. * * @return array * An array of event listener definitions. */ public static function getSubscribedEvents() { // Run this subscriber after others as those might use services that need // to be terminated as well or run code that needs to run before // termination. $events[KernelEvents::TERMINATE][] = ['onKernelTerminate', -100]; return $events; } }