From 0ddb3107c35dba5d9bcca2bc5bc96418f45e47fa Mon Sep 17 00:00:00 2001
From: Alexandre Quercia <alquerci@email.com>
Date: Fri, 7 Dec 2018 17:21:59 +0100
Subject: [PATCH] [HttpFoundation] Fix prepare request uri when it starts with
 double slashes - KISS

---
 .../Component/HttpFoundation/Request.php       | 18 +++++++++---------
 .../HttpFoundation/Tests/RequestTest.php       | 10 ++++++++++
 2 files changed, 19 insertions(+), 9 deletions(-)

diff --git a/src/Symfony/Component/HttpFoundation/Request.php b/src/Symfony/Component/HttpFoundation/Request.php
index 8224c0d9b8ee1..5eb4617120b92 100644
--- a/src/Symfony/Component/HttpFoundation/Request.php
+++ b/src/Symfony/Component/HttpFoundation/Request.php
@@ -1836,17 +1836,17 @@ protected function prepareRequestUri()
             $this->server->remove('IIS_WasUrlRewritten');
         } elseif ($this->server->has('REQUEST_URI')) {
             $requestUri = $this->server->get('REQUEST_URI');
-
-            // The REQUEST_URI starts with double slashes.
-            if (0 === strpos($requestUri, '//')) {
-                // We assume that the scheme and host are not provided (e.g. //path/too).
-                // Then patch the call to `parse_url()`.
-                $requestUri = "http://example.com$requestUri";
+            $uriComponents = array();
+
+            // HTTP proxy reqs setup request URI with scheme and host [and port] + the URL path,
+            // only use URL path.
+            if ('' !== $requestUri && '/' !== $requestUri[0]) {
+                $uriComponents = parse_url($requestUri);
+            } elseif (false !== $pos = strpos($requestUri, '#')) {
+                // Remove the fragment.
+                $requestUri = substr($requestUri, 0, $pos);
             }
 
-            // HTTP proxy reqs setup request URI with scheme and host [and port] + the URL path, only use URL path
-            $uriComponents = parse_url($requestUri);
-
             if (isset($uriComponents['path'])) {
                 $requestUri = $uriComponents['path'];
             }
diff --git a/src/Symfony/Component/HttpFoundation/Tests/RequestTest.php b/src/Symfony/Component/HttpFoundation/Tests/RequestTest.php
index 0fb606ad4fb55..816cb82de7ae2 100644
--- a/src/Symfony/Component/HttpFoundation/Tests/RequestTest.php
+++ b/src/Symfony/Component/HttpFoundation/Tests/RequestTest.php
@@ -282,9 +282,19 @@ public function testCreateWithRequestUri()
         $request->server->set('REQUEST_URI', 'http://test.com/foo#bar');
         $this->assertEquals('http://test.com/foo', $request->getUri());
 
+        $request = Request::create('http://test.com/foo#bar');
+        $request->server->set('REQUEST_URI', '/foo#bar');
+        $this->assertEquals('http://test.com/foo', $request->getUri());
+
+        // When the path starts with 2 slashes
         $request = Request::create('http://foo//bar/foo');
         $request->server->set('REQUEST_URI', '//bar/foo');
         $this->assertEquals('//bar/foo', $request->getPathInfo(), 'When the REQUEST_URI starts with double slashes.');
+
+        // When the path starts with more than 2 slashes
+        $request = Request::create('http://foo///bar/foo');
+        $request->server->set('REQUEST_URI', '///bar/foo');
+        $this->assertEquals('///bar/foo', $request->getPathInfo(), 'When the REQUEST_URI starts with more than 2 slashes.');
     }
 
     public function testCreateCheckPrecedence()