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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the Sonata Project package. |
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* |
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* (c) Thomas Rabaix <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Sonata\CacheBundle\Adapter; |
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use Sonata\Cache\CacheAdapterInterface; |
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use Sonata\Cache\CacheElement; |
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use Sonata\Cache\CacheElementInterface; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Response; |
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use Symfony\Component\HttpKernel\Controller\ArgumentResolverInterface; |
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use Symfony\Component\HttpKernel\Controller\ControllerResolverInterface; |
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use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException; |
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use Symfony\Component\Routing\Generator\UrlGeneratorInterface; |
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use Symfony\Component\Routing\RouterInterface; |
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/** |
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* Not really a cache as it, depends on the reverse proxy feature. |
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*/ |
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class SsiCache implements CacheAdapterInterface |
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{ |
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protected $router; |
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protected $servers; |
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protected $resolver; |
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protected $token; |
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/** |
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* @var ArgumentResolverInterface |
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*/ |
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private $argumentResolver; |
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public function __construct( |
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string $token, |
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RouterInterface $router, |
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ControllerResolverInterface $resolver, |
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ArgumentResolverInterface $argumentResolver |
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) { |
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$this->token = $token; |
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$this->router = $router; |
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$this->resolver = $resolver; |
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$this->argumentResolver = $argumentResolver; |
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} |
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public function flushAll(): bool |
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{ |
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return true; // nothing to flush |
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} |
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public function flush(array $keys = []): bool |
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{ |
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return true; // still nothing to flush ... |
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} |
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public function has(array $keys): bool |
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{ |
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return true; |
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} |
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/** |
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* @throws \RuntimeException |
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*/ |
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public function get(array $keys): CacheElementInterface |
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{ |
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if (!isset($keys['controller'])) { |
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throw new \RuntimeException('Please define a controller key'); |
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} |
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if (!isset($keys['parameters'])) { |
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throw new \RuntimeException('Please define a parameters key'); |
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} |
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$content = sprintf('<!--# include virtual="%s" -->', $this->getUrl($keys)); |
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return new CacheElement($keys, new Response($content)); |
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} |
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public function set( |
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array $keys, |
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$data, |
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int $ttl = CacheElement::DAY, |
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array $contextualKeys = [] |
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): CacheElementInterface { |
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return new CacheElement($keys, $data, $ttl, $contextualKeys); |
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} |
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/** |
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* @throws AccessDeniedHttpException |
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* |
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* @return mixed |
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*/ |
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public function cacheAction(Request $request) |
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{ |
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$parameters = $request->get('parameters', []); |
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if ($request->get('token') != $this->computeHash($parameters)) { |
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throw new AccessDeniedHttpException('Invalid token'); |
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} |
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$subRequest = Request::create('', 'get', $parameters, $request->cookies->all(), [], $request->server->all()); |
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$controller = $this->resolver->getController($subRequest); |
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$subRequest->attributes->add(['_controller' => $parameters['controller']]); |
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$subRequest->attributes->add($parameters['parameters']); |
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$arguments = $this->argumentResolver->getArguments($subRequest, $controller) |
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return call_user_func_array($controller, $arguments); |
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} |
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public function isContextual(): bool |
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{ |
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return true; |
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} |
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protected function getUrl(array $keys): ?string |
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{ |
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$parameters = [ |
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'token' => $this->computeHash($keys), |
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'parameters' => $keys, |
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]; |
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return $this->router->generate('sonata_cache_ssi', $parameters, UrlGeneratorInterface::ABSOLUTE_PATH); |
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} |
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protected function computeHash(array $keys): string |
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{ |
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ksort($keys); |
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return hash('sha256', $this->token.serialize($keys)); |
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} |
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} |
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sonata-project /
SonataCacheBundle
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