vendor/friendsofsymfony/http-cache-bundle/src/EventListener/Php8AttributesListener.php line 40

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  1. <?php
  3. namespace FOS\HttpCacheBundle\EventListener;
  5. use Sensio\Bundle\FrameworkExtraBundle\Configuration\ConfigurationInterface;
  6. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  7. use Symfony\Component\HttpKernel\Controller\ControllerResolverInterface;
  8. use Symfony\Component\HttpKernel\Event\GetResponseEvent;
  9. use Symfony\Component\HttpKernel\Event\RequestEvent;
  10. use Symfony\Component\HttpKernel\Kernel;
  11. use Symfony\Component\HttpKernel\KernelEvents;
  13. if (Kernel::MAJOR_VERSION >= 5) {
  14.     class_alias(RequestEvent::class, 'FOS\HttpCacheBundle\EventListener\AttributeRequestEvent');
  15. } else {
  16.     class_alias(GetResponseEvent::class, 'FOS\HttpCacheBundle\EventListener\AttributeRequestEvent');
  17. }
  19. /**
  20.  * On kernel.request event, this event handler fetch PHP8 attributes.
  21.  * It is available from PHP 8.0.0.
  22.  *
  23.  * @author Yoann Chocteau <yoann@kezaweb.fr>
  24.  */
  25. class Php8AttributesListener implements EventSubscriberInterface
  26. {
  27.     /**
  28.      * @var ControllerResolverInterface
  29.      */
  30.     private $controllerResolver;
  32.     public function __construct(ControllerResolverInterface $controllerResolver)
  33.     {
  34.         if (\PHP_VERSION_ID < 80000) {
  35.             throw new \Exception(sprintf('Php8AttributesListener must not be loaded for PHP %s', phpversion()));
  36.         }
  37.         $this->controllerResolver = $controllerResolver;
  38.     }
  40.     public function onKernelRequest(AttributeRequestEvent $event)
  41.     {
  42.         $request = $event->getRequest();
  43.         $controller = $this->controllerResolver->getController($request);
  45.         if (!is_array($controller) || 2 !== count($controller)) {
  46.             return;
  47.         }
  49.         $class = new \ReflectionClass($controller[0]);
  50.         $method = $class->getMethod($controller[1]);
  51.         $attributes = [];
  52.         $addAttributes = function ($instance) use (&$attributes) {
  53.             if (
  54.                 $instance instanceof ConfigurationInterface &&
  55.                 in_array(
  56.                     $instance->getAliasName(), [
  57.                     'tag', 'invalidate_path', 'invalidate_route',
  58.                 ])
  59.             ) {
  60.                 $attributes['_'.$instance->getAliasName()][] = $instance;
  61.             }
  62.         };
  64.         foreach ($class->getAttributes() as $classAttribute) {
  65.             $addAttributes($classAttribute->newInstance());
  66.         }
  67.         foreach ($method->getAttributes() as $methodAttribute) {
  68.             $addAttributes($methodAttribute->newInstance());
  69.         }
  71.         foreach ($attributes as $key => $attr) {
  72.             $request->attributes->set(
  73.                 $key,
  74.                 array_merge($attr, $request->attributes->get($key, []))
  75.             );
  76.         }
  77.     }
  79.     public static function getSubscribedEvents()
  80.     {
  81.         return [
  82.             KernelEvents::REQUEST => 'onKernelRequest',
  83.         ];
  84.     }
  85. }