1<?php 2 3/* 4 * This file is part of the Symfony package. 5 * 6 * (c) Fabien Potencier <fabien@symfony.com> 7 * 8 * For the full copyright and license information, please view the LICENSE 9 * file that was distributed with this source code. 10 */ 11 12namespace Symfony\Component\HttpFoundation; 13 14use Symfony\Component\Routing\RequestContext; 15 16/** 17 * A helper service for manipulating URLs within and outside the request scope. 18 * 19 * @author Valentin Udaltsov <udaltsov.valentin@gmail.com> 20 */ 21final class UrlHelper 22{ 23 private $requestStack; 24 private $requestContext; 25 26 public function __construct(RequestStack $requestStack, RequestContext $requestContext = null) 27 { 28 $this->requestStack = $requestStack; 29 $this->requestContext = $requestContext; 30 } 31 32 public function getAbsoluteUrl(string $path): string 33 { 34 if (false !== strpos($path, '://') || '//' === substr($path, 0, 2)) { 35 return $path; 36 } 37 38 if (null === $request = $this->requestStack->getMasterRequest()) { 39 return $this->getAbsoluteUrlFromContext($path); 40 } 41 42 if ('#' === $path[0]) { 43 $path = $request->getRequestUri().$path; 44 } elseif ('?' === $path[0]) { 45 $path = $request->getPathInfo().$path; 46 } 47 48 if (!$path || '/' !== $path[0]) { 49 $prefix = $request->getPathInfo(); 50 $last = \strlen($prefix) - 1; 51 if ($last !== $pos = strrpos($prefix, '/')) { 52 $prefix = substr($prefix, 0, $pos).'/'; 53 } 54 55 return $request->getUriForPath($prefix.$path); 56 } 57 58 return $request->getSchemeAndHttpHost().$path; 59 } 60 61 public function getRelativePath(string $path): string 62 { 63 if (false !== strpos($path, '://') || '//' === substr($path, 0, 2)) { 64 return $path; 65 } 66 67 if (null === $request = $this->requestStack->getMasterRequest()) { 68 return $path; 69 } 70 71 return $request->getRelativeUriForPath($path); 72 } 73 74 private function getAbsoluteUrlFromContext(string $path): string 75 { 76 if (null === $this->requestContext || '' === $host = $this->requestContext->getHost()) { 77 return $path; 78 } 79 80 $scheme = $this->requestContext->getScheme(); 81 $port = ''; 82 83 if ('http' === $scheme && 80 !== $this->requestContext->getHttpPort()) { 84 $port = ':'.$this->requestContext->getHttpPort(); 85 } elseif ('https' === $scheme && 443 !== $this->requestContext->getHttpsPort()) { 86 $port = ':'.$this->requestContext->getHttpsPort(); 87 } 88 89 if ('#' === $path[0]) { 90 $queryString = $this->requestContext->getQueryString(); 91 $path = $this->requestContext->getPathInfo().($queryString ? '?'.$queryString : '').$path; 92 } elseif ('?' === $path[0]) { 93 $path = $this->requestContext->getPathInfo().$path; 94 } 95 96 if ('/' !== $path[0]) { 97 $path = rtrim($this->requestContext->getBaseUrl(), '/').'/'.$path; 98 } 99 100 return $scheme.'://'.$host.$port.$path; 101 } 102} 103