145 lines
4.2 KiB
PHP
145 lines
4.2 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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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 Symfony\Bridge\Twig\Extension;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpFoundation\RequestStack;
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use Symfony\Component\Routing\RequestContext;
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use Twig\Extension\AbstractExtension;
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use Twig\TwigFunction;
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/**
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* Twig extension for the Symfony HttpFoundation component.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class HttpFoundationExtension extends AbstractExtension
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{
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private $requestStack;
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private $requestContext;
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public function __construct(RequestStack $requestStack, RequestContext $requestContext = null)
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{
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$this->requestStack = $requestStack;
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$this->requestContext = $requestContext;
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}
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/**
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* {@inheritdoc}
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*/
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public function getFunctions()
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{
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return array(
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new TwigFunction('absolute_url', array($this, 'generateAbsoluteUrl')),
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new TwigFunction('relative_path', array($this, 'generateRelativePath')),
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);
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}
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/**
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* Returns the absolute URL for the given absolute or relative path.
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*
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* This method returns the path unchanged if no request is available.
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*
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* @param string $path The path
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*
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* @return string The absolute URL
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*
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* @see Request::getUriForPath()
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*/
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public function generateAbsoluteUrl($path)
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{
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if (false !== strpos($path, '://') || '//' === substr($path, 0, 2)) {
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return $path;
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}
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if (!$request = $this->requestStack->getMasterRequest()) {
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if (null !== $this->requestContext && '' !== $host = $this->requestContext->getHost()) {
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$scheme = $this->requestContext->getScheme();
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$port = '';
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if ('http' === $scheme && 80 != $this->requestContext->getHttpPort()) {
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$port = ':'.$this->requestContext->getHttpPort();
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} elseif ('https' === $scheme && 443 != $this->requestContext->getHttpsPort()) {
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$port = ':'.$this->requestContext->getHttpsPort();
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}
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if ('#' === $path[0]) {
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$queryString = $this->requestContext->getQueryString();
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$path = $this->requestContext->getPathInfo().($queryString ? '?'.$queryString : '').$path;
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} elseif ('?' === $path[0]) {
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$path = $this->requestContext->getPathInfo().$path;
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}
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if ('/' !== $path[0]) {
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$path = rtrim($this->requestContext->getBaseUrl(), '/').'/'.$path;
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}
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return $scheme.'://'.$host.$port.$path;
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}
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return $path;
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}
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if ('#' === $path[0]) {
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$path = $request->getRequestUri().$path;
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} elseif ('?' === $path[0]) {
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$path = $request->getPathInfo().$path;
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}
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if (!$path || '/' !== $path[0]) {
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$prefix = $request->getPathInfo();
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$last = \strlen($prefix) - 1;
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if ($last !== $pos = strrpos($prefix, '/')) {
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$prefix = substr($prefix, 0, $pos).'/';
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}
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return $request->getUriForPath($prefix.$path);
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}
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return $request->getSchemeAndHttpHost().$path;
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}
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/**
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* Returns a relative path based on the current Request.
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*
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* This method returns the path unchanged if no request is available.
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*
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* @param string $path The path
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*
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* @return string The relative path
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*
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* @see Request::getRelativeUriForPath()
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*/
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public function generateRelativePath($path)
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{
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if (false !== strpos($path, '://') || '//' === substr($path, 0, 2)) {
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return $path;
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}
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if (!$request = $this->requestStack->getMasterRequest()) {
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return $path;
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}
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return $request->getRelativeUriForPath($path);
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}
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/**
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* Returns the name of the extension.
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*
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* @return string The extension name
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*/
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public function getName()
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{
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return 'request';
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}
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}
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