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vendor/symfony/http-foundation/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
+{
+    public function __construct(
+        private RequestStack $requestStack,
+        private RequestContextAwareInterface|RequestContext|null $requestContext = null,
+    ) {
+    }
+
+    public function getAbsoluteUrl(string $path): string
+    {
+        if (str_contains($path, '://') || str_starts_with($path, '//')) {
+            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, '://') || str_starts_with($path, '//')) {
+            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;
+    }
+}