Verzeichnisstruktur phpBB-3.3.15
- Veröffentlicht
- 28.08.2024
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InlineFragmentRenderer.php
001 <?php
002
003 /*
004 * This file is part of the Symfony package.
005 *
006 * (c) Fabien Potencier <fabien@symfony.com>
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Symfony\Component\HttpKernel\Fragment;
013
014 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
015 use Symfony\Component\HttpFoundation\Request;
016 use Symfony\Component\HttpFoundation\Response;
017 use Symfony\Component\HttpKernel\Controller\ControllerReference;
018 use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
019 use Symfony\Component\HttpKernel\HttpCache\SubRequestHandler;
020 use Symfony\Component\HttpKernel\HttpKernelInterface;
021 use Symfony\Component\HttpKernel\KernelEvents;
022
023 /**
024 * Implements the inline rendering strategy where the Request is rendered by the current HTTP kernel.
025 *
026 * @author Fabien Potencier <fabien@symfony.com>
027 */
028 class InlineFragmentRenderer extends RoutableFragmentRenderer
029 {
030 private $kernel;
031 private $dispatcher;
032
033 public function __construct(HttpKernelInterface $kernel, EventDispatcherInterface $dispatcher = null)
034 {
035 $this->kernel = $kernel;
036 $this->dispatcher = $dispatcher;
037 }
038
039 /**
040 * {@inheritdoc}
041 *
042 * Additional available options:
043 *
044 * * alt: an alternative URI to render in case of an error
045 */
046 public function render($uri, Request $request, array $options = [])
047 {
048 $reference = null;
049 if ($uri instanceof ControllerReference) {
050 $reference = $uri;
051
052 // Remove attributes from the generated URI because if not, the Symfony
053 // routing system will use them to populate the Request attributes. We don't
054 // want that as we want to preserve objects (so we manually set Request attributes
055 // below instead)
056 $attributes = $reference->attributes;
057 $reference->attributes = [];
058
059 // The request format and locale might have been overridden by the user
060 foreach (['_format', '_locale'] as $key) {
061 if (isset($attributes[$key])) {
062 $reference->attributes[$key] = $attributes[$key];
063 }
064 }
065
066 $uri = $this->generateFragmentUri($uri, $request, false, false);
067
068 $reference->attributes = array_merge($attributes, $reference->attributes);
069 }
070
071 $subRequest = $this->createSubRequest($uri, $request);
072
073 // override Request attributes as they can be objects (which are not supported by the generated URI)
074 if (null !== $reference) {
075 $subRequest->attributes->add($reference->attributes);
076 }
077
078 $level = ob_get_level();
079 try {
080 return SubRequestHandler::handle($this->kernel, $subRequest, HttpKernelInterface::SUB_REQUEST, false);
081 } catch (\Exception $e) {
082 // we dispatch the exception event to trigger the logging
083 // the response that comes back is ignored
084 if (isset($options['ignore_errors']) && $options['ignore_errors'] && $this->dispatcher) {
085 $event = new GetResponseForExceptionEvent($this->kernel, $request, HttpKernelInterface::SUB_REQUEST, $e);
086
087 $this->dispatcher->dispatch(KernelEvents::EXCEPTION, $event);
088 }
089
090 // let's clean up the output buffers that were created by the sub-request
091 Response::closeOutputBuffers($level, false);
092
093 if (isset($options['alt'])) {
094 $alt = $options['alt'];
095 unset($options['alt']);
096
097 return $this->render($alt, $request, $options);
098 }
099
100 if (!isset($options['ignore_errors']) || !$options['ignore_errors']) {
101 throw $e;
102 }
103
104 return new Response();
105 }
106 }
107
108 protected function createSubRequest($uri, Request $request)
109 {
110 $cookies = $request->cookies->all();
111 $server = $request->server->all();
112
113 unset($server['HTTP_IF_MODIFIED_SINCE']);
114 unset($server['HTTP_IF_NONE_MATCH']);
115
116 $subRequest = Request::create($uri, 'get', [], $cookies, [], $server);
117 if ($request->headers->has('Surrogate-Capability')) {
118 $subRequest->headers->set('Surrogate-Capability', $request->headers->get('Surrogate-Capability'));
119 }
120
121 if ($session = $request->getSession()) {
122 $subRequest->setSession($session);
123 }
124
125 if ($request->get('_format')) {
126 $subRequest->attributes->set('_format', $request->get('_format'));
127 }
128 if ($request->getDefaultLocale() !== $request->getLocale()) {
129 $subRequest->setLocale($request->getLocale());
130 }
131
132 return $subRequest;
133 }
134
135 /**
136 * {@inheritdoc}
137 */
138 public function getName()
139 {
140 return 'inline';
141 }
142 }
143