www/apis/youtube/vendor/symfony/http-kernel/Fragment/AbstractSurrogateFragmentRenderer.php000060400000007023151160472510031371 0ustar00home/alospiesjs * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\HttpKernel\Fragment; use Symfony\Component\HttpFoundation\Request; use Symfony\Component\HttpFoundation\Response; use Symfony\Component\HttpKernel\Controller\ControllerReference; use Symfony\Component\HttpKernel\HttpCache\SurrogateInterface; use Symfony\Component\HttpKernel\UriSigner; /** * Implements Surrogate rendering strategy. * * @author Fabien Potencier */ abstract class AbstractSurrogateFragmentRenderer extends RoutableFragmentRenderer { private $surrogate; private $inlineStrategy; private $signer; /** * The "fallback" strategy when surrogate is not available should always be an * instance of InlineFragmentRenderer. * * @param FragmentRendererInterface $inlineStrategy The inline strategy to use when the surrogate is not supported */ public function __construct(SurrogateInterface $surrogate = null, FragmentRendererInterface $inlineStrategy, UriSigner $signer = null) { $this->surrogate = $surrogate; $this->inlineStrategy = $inlineStrategy; $this->signer = $signer; } /** * {@inheritdoc} * * Note that if the current Request has no surrogate capability, this method * falls back to use the inline rendering strategy. * * Additional available options: * * * alt: an alternative URI to render in case of an error * * comment: a comment to add when returning the surrogate tag * * Note, that not all surrogate strategies support all options. For now * 'alt' and 'comment' are only supported by ESI. * * @see Symfony\Component\HttpKernel\HttpCache\SurrogateInterface */ public function render(string|ControllerReference $uri, Request $request, array $options = []): Response { if (!$this->surrogate || !$this->surrogate->hasSurrogateCapability($request)) { if ($uri instanceof ControllerReference && $this->containsNonScalars($uri->attributes)) { throw new \InvalidArgumentException('Passing non-scalar values as part of URI attributes to the ESI and SSI rendering strategies is not supported. Use a different rendering strategy or pass scalar values.'); } return $this->inlineStrategy->render($uri, $request, $options); } if ($uri instanceof ControllerReference) { $uri = $this->generateSignedFragmentUri($uri, $request); } $alt = $options['alt'] ?? null; if ($alt instanceof ControllerReference) { $alt = $this->generateSignedFragmentUri($alt, $request); } $tag = $this->surrogate->renderIncludeTag($uri, $alt, $options['ignore_errors'] ?? false, $options['comment'] ?? ''); return new Response($tag); } private function generateSignedFragmentUri(ControllerReference $uri, Request $request): string { return (new FragmentUriGenerator($this->fragmentPath, $this->signer))->generate($uri, $request); } private function containsNonScalars(array $values): bool { foreach ($values as $value) { if (\is_array($value)) { return $this->containsNonScalars($value); } elseif (!is_scalar($value) && null !== $value) { return true; } } return false; } }