website/src/EventSubscriber/CacheHeadersSubscriber.php

37 lines
1.1 KiB
PHP
Executable File

<?php
namespace App\EventSubscriber;
use Symfony\Component\DependencyInjection\ParameterBag\ContainerBagInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\Event\ResponseEvent;
use Symfony\Component\HttpKernel\KernelEvents;
class CacheHeadersSubscriber implements EventSubscriberInterface
{
private $params;
public function __construct(ContainerBagInterface $params)
{
$this->params = $params;
}
public function onResponse(ResponseEvent $event)
{
$response = $event->getResponse();
$response->headers->addCacheControlDirective('max-age', 900);
$response->headers->addCacheControlDirective('s-maxage', 900);
$response->headers->addCacheControlDirective('must-revalidate', true);
$response->headers->addCacheControlDirective('public', true);
$response->headers->removeCacheControlDirective('private');
$event->setResponse($response);
}
public static function getSubscribedEvents()
{
return [
KernelEvents::RESPONSE => 'onResponse'
];
}
}