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- 28.08.2024
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HttpFoundationExtension.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\Bridge\Twig\Extension;
013
014 use Symfony\Component\HttpFoundation\Request;
015 use Symfony\Component\HttpFoundation\RequestStack;
016 use Symfony\Component\Routing\RequestContext;
017 use Twig\Extension\AbstractExtension;
018 use Twig\TwigFunction;
019
020 /**
021 * Twig extension for the Symfony HttpFoundation component.
022 *
023 * @author Fabien Potencier <fabien@symfony.com>
024 */
025 class HttpFoundationExtension extends AbstractExtension
026 {
027 private $requestStack;
028 private $requestContext;
029
030 public function __construct(RequestStack $requestStack, RequestContext $requestContext = null)
031 {
032 $this->requestStack = $requestStack;
033 $this->requestContext = $requestContext;
034 }
035
036 /**
037 * {@inheritdoc}
038 */
039 public function getFunctions()
040 {
041 return [
042 new TwigFunction('absolute_url', [$this, 'generateAbsoluteUrl']),
043 new TwigFunction('relative_path', [$this, 'generateRelativePath']),
044 ];
045 }
046
047 /**
048 * Returns the absolute URL for the given absolute or relative path.
049 *
050 * This method returns the path unchanged if no request is available.
051 *
052 * @param string $path The path
053 *
054 * @return string The absolute URL
055 *
056 * @see Request::getUriForPath()
057 */
058 public function generateAbsoluteUrl($path)
059 {
060 if (false !== strpos($path, '://') || '//' === substr($path, 0, 2)) {
061 return $path;
062 }
063
064 if (!$request = $this->requestStack->getMasterRequest()) {
065 if (null !== $this->requestContext && '' !== $host = $this->requestContext->getHost()) {
066 $scheme = $this->requestContext->getScheme();
067 $port = '';
068
069 if ('http' === $scheme && 80 != $this->requestContext->getHttpPort()) {
070 $port = ':'.$this->requestContext->getHttpPort();
071 } elseif ('https' === $scheme && 443 != $this->requestContext->getHttpsPort()) {
072 $port = ':'.$this->requestContext->getHttpsPort();
073 }
074
075 if ('#' === $path[0]) {
076 $queryString = $this->requestContext->getQueryString();
077 $path = $this->requestContext->getPathInfo().($queryString ? '?'.$queryString : '').$path;
078 } elseif ('?' === $path[0]) {
079 $path = $this->requestContext->getPathInfo().$path;
080 }
081
082 if ('/' !== $path[0]) {
083 $path = rtrim($this->requestContext->getBaseUrl(), '/').'/'.$path;
084 }
085
086 return $scheme.'://'.$host.$port.$path;
087 }
088
089 return $path;
090 }
091
092 if ('#' === $path[0]) {
093 $path = $request->getRequestUri().$path;
094 } elseif ('?' === $path[0]) {
095 $path = $request->getPathInfo().$path;
096 }
097
098 if (!$path || '/' !== $path[0]) {
099 $prefix = $request->getPathInfo();
100 $last = \strlen($prefix) - 1;
101 if ($last !== $pos = strrpos($prefix, '/')) {
102 $prefix = substr($prefix, 0, $pos).'/';
103 }
104
105 return $request->getUriForPath($prefix.$path);
106 }
107
108 return $request->getSchemeAndHttpHost().$path;
109 }
110
111 /**
112 * Returns a relative path based on the current Request.
113 *
114 * This method returns the path unchanged if no request is available.
115 *
116 * @param string $path The path
117 *
118 * @return string The relative path
119 *
120 * @see Request::getRelativeUriForPath()
121 */
122 public function generateRelativePath($path)
123 {
124 if (false !== strpos($path, '://') || '//' === substr($path, 0, 2)) {
125 return $path;
126 }
127
128 if (!$request = $this->requestStack->getMasterRequest()) {
129 return $path;
130 }
131
132 return $request->getRelativeUriForPath($path);
133 }
134
135 /**
136 * Returns the name of the extension.
137 *
138 * @return string The extension name
139 */
140 public function getName()
141 {
142 return 'request';
143 }
144 }
145