103 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
		
		
			
		
	
	
			103 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| 
								 | 
							
								<?php
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								/*
							 | 
						||
| 
								 | 
							
								 * This file is part of the Symfony package.
							 | 
						||
| 
								 | 
							
								 *
							 | 
						||
| 
								 | 
							
								 * (c) Fabien Potencier <fabien@symfony.com>
							 | 
						||
| 
								 | 
							
								 *
							 | 
						||
| 
								 | 
							
								 * 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\HttpFoundation\UriSigner;
							 | 
						||
| 
								 | 
							
								use Symfony\Component\HttpKernel\Controller\ControllerReference;
							 | 
						||
| 
								 | 
							
								use Symfony\Component\HttpKernel\HttpCache\SurrogateInterface;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								/**
							 | 
						||
| 
								 | 
							
								 * Implements Surrogate rendering strategy.
							 | 
						||
| 
								 | 
							
								 *
							 | 
						||
| 
								 | 
							
								 * @author Fabien Potencier <fabien@symfony.com>
							 | 
						||
| 
								 | 
							
								 */
							 | 
						||
| 
								 | 
							
								abstract class AbstractSurrogateFragmentRenderer extends RoutableFragmentRenderer
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
								    /**
							 | 
						||
| 
								 | 
							
								     * 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(
							 | 
						||
| 
								 | 
							
								        private ?SurrogateInterface $surrogate,
							 | 
						||
| 
								 | 
							
								        private FragmentRendererInterface $inlineStrategy,
							 | 
						||
| 
								 | 
							
								        private ?UriSigner $signer = null,
							 | 
						||
| 
								 | 
							
								    ) {
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    /**
							 | 
						||
| 
								 | 
							
								     * 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
							 | 
						||
| 
								 | 
							
								     *  * absolute_uri: whether to generate an absolute URI or not. Default is false
							 | 
						||
| 
								 | 
							
								     *
							 | 
						||
| 
								 | 
							
								     * 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)) {
							 | 
						||
| 
								 | 
							
								            $request->attributes->set('_check_controller_is_allowed', true);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								            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);
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        $absolute = $options['absolute_uri'] ?? false;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        if ($uri instanceof ControllerReference) {
							 | 
						||
| 
								 | 
							
								            $uri = $this->generateSignedFragmentUri($uri, $request, $absolute);
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        $alt = $options['alt'] ?? null;
							 | 
						||
| 
								 | 
							
								        if ($alt instanceof ControllerReference) {
							 | 
						||
| 
								 | 
							
								            $alt = $this->generateSignedFragmentUri($alt, $request, $absolute);
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        $tag = $this->surrogate->renderIncludeTag($uri, $alt, $options['ignore_errors'] ?? false, $options['comment'] ?? '');
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        return new Response($tag);
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    private function generateSignedFragmentUri(ControllerReference $uri, Request $request, bool $absolute): string
							 | 
						||
| 
								 | 
							
								    {
							 | 
						||
| 
								 | 
							
								        return (new FragmentUriGenerator($this->fragmentPath, $this->signer))->generate($uri, $request, $absolute);
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    private function containsNonScalars(array $values): bool
							 | 
						||
| 
								 | 
							
								    {
							 | 
						||
| 
								 | 
							
								        foreach ($values as $value) {
							 | 
						||
| 
								 | 
							
								            if (\is_scalar($value) || null === $value) {
							 | 
						||
| 
								 | 
							
								                continue;
							 | 
						||
| 
								 | 
							
								            }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								            if (!\is_array($value) || $this->containsNonScalars($value)) {
							 | 
						||
| 
								 | 
							
								                return true;
							 | 
						||
| 
								 | 
							
								            }
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        return false;
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								}
							 |