| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118 | <?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;    }}
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