UrlHelper.php
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<?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\HttpFoundation;
use Symfony\Component\Routing\RequestContext;
use Symfony\Component\Routing\RequestContextAwareInterface;
/**
* A helper service for manipulating URLs within and outside the request scope.
*
* @author Valentin Udaltsov <udaltsov.valentin@gmail.com>
*/
final class UrlHelper
{
private $requestStack;
private $requestContext;
/**
* @param RequestContextAwareInterface|RequestContext|null $requestContext
*/
public function __construct(RequestStack $requestStack, $requestContext = null)
{
if (null !== $requestContext && !$requestContext instanceof RequestContext && !$requestContext instanceof RequestContextAwareInterface) {
throw new \TypeError(__METHOD__.': Argument #2 ($requestContext) must of type Symfony\Component\Routing\RequestContextAwareInterface|Symfony\Component\Routing\RequestContext|null, '.get_debug_type($requestContext).' given.');
}
$this->requestStack = $requestStack;
$this->requestContext = $requestContext;
}
public function getAbsoluteUrl(string $path): string
{
if (str_contains($path, '://') || '//' === substr($path, 0, 2)) {
return $path;
}
if (null === $request = $this->requestStack->getMainRequest()) {
return $this->getAbsoluteUrlFromContext($path);
}
if ('#' === $path[0]) {
$path = $request->getRequestUri().$path;
} elseif ('?' === $path[0]) {
$path = $request->getPathInfo().$path;
}
if (!$path || '/' !== $path[0]) {
$prefix = $request->getPathInfo();
$last = \strlen($prefix) - 1;
if ($last !== $pos = strrpos($prefix, '/')) {
$prefix = substr($prefix, 0, $pos).'/';
}
return $request->getUriForPath($prefix.$path);
}
return $request->getSchemeAndHttpHost().$path;
}
public function getRelativePath(string $path): string
{
if (str_contains($path, '://') || '//' === substr($path, 0, 2)) {
return $path;
}
if (null === $request = $this->requestStack->getMainRequest()) {
return $path;
}
return $request->getRelativeUriForPath($path);
}
private function getAbsoluteUrlFromContext(string $path): string
{
if (null === $context = $this->requestContext) {
return $path;
}
if ($context instanceof RequestContextAwareInterface) {
$context = $context->getContext();
}
if ('' === $host = $context->getHost()) {
return $path;
}
$scheme = $context->getScheme();
$port = '';
if ('http' === $scheme && 80 !== $context->getHttpPort()) {
$port = ':'.$context->getHttpPort();
} elseif ('https' === $scheme && 443 !== $context->getHttpsPort()) {
$port = ':'.$context->getHttpsPort();
}
if ('#' === $path[0]) {
$queryString = $context->getQueryString();
$path = $context->getPathInfo().($queryString ? '?'.$queryString : '').$path;
} elseif ('?' === $path[0]) {
$path = $context->getPathInfo().$path;
}
if ('/' !== $path[0]) {
$path = rtrim($context->getBaseUrl(), '/').'/'.$path;
}
return $scheme.'://'.$host.$port.$path;
}
}