src/Cms/CoreBundle/EventListeners/CacheOverrideListener.php line 40

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  1. <?php
  3. namespace Cms\CoreBundle\EventListeners;
  5. use DateTime;
  6. use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
  7. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  8. use Symfony\Component\HttpKernel\Event\ResponseEvent;
  9. use Symfony\Component\HttpKernel\KernelEvents;
  11. final class CacheOverrideListener implements EventSubscriberInterface
  12. {
  13.     /**
  14.      * @var ParameterBagInterface
  15.      */
  16.     protected ParameterBagInterface $params;
  18.     /**
  19.      * @param ParameterBagInterface $params
  20.      */
  21.     public function __construct(ParameterBagInterface $params)
  22.     {
  23.         $this->params = $params;
  24.     }
  26.     /**
  27.      * {@inheritdoc}
  28.      */
  29.     public static function getSubscribedEvents(): array
  30.     {
  31.         return [
  32.             KernelEvents::RESPONSE => ['onKernelResponse', -1001],
  33.         ];
  34.     }
  36.     /**
  37.      * @param ResponseEvent $event
  38.      * @return void
  39.      */
  40.     public function onKernelResponse(ResponseEvent $event): void
  41.     {
  42.         $host = $event->getRequest()->getHost();
  43.         switch (true) {
  44.             case preg_match(
  45.                     '/^([-a-zA-Z0-9]+)\.([-a-zA-Z0-9]+)\.' . preg_quote(
  46.                         $this->params->get('cms.container.staging.domain')
  47.                     ) . '$/',
  48.                     $host
  49.                 ) === 1:
  50.             case preg_match(
  51.                     '/^([0-9a-f]{8}-[0-9a-f]{4}-[0-5][0-9a-f]{3}-[089ab][0-9a-f]{3}-[0-9a-f]{12})\\.' . preg_quote(
  52.                         $this->params->get('dashboard.hostname')
  53.                     ) . '$/i',
  54.                     $host
  55.                 ) === 1:
  56.             case preg_match(
  57.                     '/^([-a-zA-Z0-9]+)\\.' . preg_quote($this->params->get('dashboard.hostname')) . '$/',
  58.                     $host
  59.                 ) === 1:
  60.             case preg_match('/^([-a-zA-Z0-9]+)\\.' . preg_quote('ngrok.io') . '$/', $host) === 1:
  61.             case $host === $this->params->get('dashboard.hostname'):
  62.                 $event->getResponse()
  63.                     ->setExpires(new DateTime('@0'))
  64.                     ->setPrivate()
  65.                     ->setMaxAge(0)
  66.                     ->headers->addCacheControlDirective('must-revalidate');
  67.                 $event->getResponse()->headers->addCacheControlDirective('no-cache');
  68.                 $event->getResponse()->headers->addCacheControlDirective('no-store');
  69.                 break;
  70.             default:
  71.                 $event->getResponse()
  72.                     ->setExpires(new DateTime())
  73.                     ->setPrivate()
  74.                     ->setMaxAge(0);
  75.         }
  76.     }
  77. }