Merge branch '3.0' into 3.1

* 3.0:
  [HttpKernel] Add listener that checks when request has both Forwarded and X-Forwarded-For
  [HttpKernel] Move conflicting origin IPs handling to catch block
  [travis] Fix deps=low/high patching

.github/travis.php

@@ -1,19 +1,23 @@
 <?php
 
 if (4 > $_SERVER['argc']) {
-    echo "Usage: branch dir1 dir2 ... dirN\n";
+    echo "Usage: branch version dir1 dir2 ... dirN\n";
     exit(1);
 }
 
 $dirs = $_SERVER['argv'];
 array_shift($dirs);
 $branch = array_shift($dirs);
+$version = array_shift($dirs);
 
 $packages = array();
 $flags = PHP_VERSION_ID >= 50400 ? JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE : 0;
 
 foreach ($dirs as $dir) {
-    if (!`git diff --name-only $branch...HEAD -- $dir`) {
+    if (!system("git diff --name-only $branch...HEAD -- $dir", $exitStatus)) {
+        if ($exitStatus) {
+            exit($exitStatus);
+        }
         continue;
     }
     echo "$dir\n";
@@ -32,7 +36,7 @@ foreach ($dirs as $dir) {
     file_put_contents($dir.'/composer.json', $json);
     passthru("cd $dir && tar -cf package.tar --exclude='package.tar' *");
 
-    $package->version = 'master' !== $branch ? $branch.'.x-dev' : 'dev-master';
+    $package->version = 'master' !== $version ? $version.'.x-dev' : 'dev-master';
     $package->dist['type'] = 'tar';
     $package->dist['url'] = 'file://'.__DIR__."/$dir/package.tar";
 

.travis.yml

@@ -71,7 +71,7 @@ before_install:
 install:
     - if [[ ! $skip ]]; then COMPONENTS=$(find src/Symfony -mindepth 3 -type f -name phpunit.xml.dist -printf '%h\n'); fi
     # Create local composer packages for each patched components and reference them in composer.json files when cross-testing components
-    - if [[ ! $skip && $deps ]]; then php .travis.php $TRAVIS_BRANCH $COMPONENTS; fi
+    - if [[ ! $skip && $deps ]]; then git fetch origin $TRAVIS_BRANCH && php .github/travis.php FETCH_HEAD $TRAVIS_BRANCH $COMPONENTS; fi
     # For the master branch when deps=high, the version before master is checked out and tested with the locally patched components
     - if [[ $deps = high && $TRAVIS_BRANCH = master ]]; then SYMFONY_VERSION=$(git ls-remote --heads | grep -o '/[1-9].*' | tail -n 1 | sed s/.//); else SYMFONY_VERSION=$(cat composer.json | grep '^ *"dev-master". *"[1-9]' | grep -o '[0-9.]*'); fi
     - if [[ $deps = high && $TRAVIS_BRANCH = master ]]; then git fetch origin $SYMFONY_VERSION; git checkout -m FETCH_HEAD; COMPONENTS=$(find src/Symfony -mindepth 3 -type f -name phpunit.xml.dist -printf '%h\n'); ./phpunit install; fi

src/Symfony/Bundle/FrameworkBundle/Resources/config/web.xml

@@ -61,5 +61,9 @@
             <argument type="service" id="request_stack" />
             <tag name="kernel.event_subscriber" />
         </service>
+
+        <service id="validate_request_listener" class="Symfony\Component\HttpKernel\EventListener\ValidateRequestListener">
+            <tag name="kernel.event_subscriber" />
+        </service>
     </services>
 </container>

src/Symfony/Bundle/FrameworkBundle/composer.json

@@ -24,7 +24,7 @@
         "symfony/config": "~2.8|~3.0",
         "symfony/event-dispatcher": "~2.8|~3.0",
         "symfony/http-foundation": "~3.1",
-        "symfony/http-kernel": "~3.1",
+        "symfony/http-kernel": "~3.1.2|~3.2",
         "symfony/polyfill-mbstring": "~1.0",
         "symfony/filesystem": "~2.8|~3.0",
         "symfony/finder": "~2.8|~3.0",

src/Symfony/Component/HttpKernel/EventListener/ValidateRequestListener.php

@@ -0,0 +1,55 @@
+<?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\HttpKernel\EventListener;
+
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpKernel\Event\GetResponseEvent;
+use Symfony\Component\HttpKernel\KernelEvents;
+
+/**
+ * Validates that the headers and other information indicating the
+ * client IP address of a request are consistent.
+ *
+ * @author Magnus Nordlander <magnus@fervo.se>
+ */
+class ValidateRequestListener implements EventSubscriberInterface
+{
+    /**
+     * Performs the validation.
+     *
+     * @param GetResponseEvent $event
+     */
+    public function onKernelRequest(GetResponseEvent $event)
+    {
+        if (!$event->isMasterRequest()) {
+            return;
+        }
+        $request = $event->getRequest();
+
+        if ($request::getTrustedProxies()) {
+            // This will throw an exception if the headers are inconsistent.
+            $request->getClientIps();
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public static function getSubscribedEvents()
+    {
+        return array(
+            KernelEvents::REQUEST => array(
+                array('onKernelRequest', 256),
+            ),
+        );
+    }
+}

src/Symfony/Component/HttpKernel/HttpKernel.php

@@ -67,6 +67,9 @@ class HttpKernel implements HttpKernelInterface, TerminableInterface
         try {
             return $this->handleRaw($request, $type);
         } catch (\Exception $e) {
+            if ($e instanceof ConflictingHeadersException) {
+                $e = new BadRequestHttpException('The request headers contain conflicting information regarding the origin of this request.', $e);
+            }
             if (false === $catch) {
                 $this->finishRequest($request, $type);
 
@@ -119,13 +122,6 @@ class HttpKernel implements HttpKernelInterface, TerminableInterface
      */
     private function handleRaw(Request $request, $type = self::MASTER_REQUEST)
     {
-        if (self::MASTER_REQUEST === $type && $request::getTrustedProxies()) {
-            try {
-                $request->getClientIps();
-            } catch (ConflictingHeadersException $e) {
-                throw new BadRequestHttpException('The request headers contain conflicting information regarding the origin of this request.', $e);
-            }
-        }
         $this->requestStack->push($request);
 
         // request

src/Symfony/Component/HttpKernel/Tests/EventListener/ValidateRequestListenerTest.php

@@ -0,0 +1,42 @@
+<?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\HttpKernel\Tests\EventListener;
+
+use Symfony\Component\EventDispatcher\EventDispatcher;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\EventListener\ValidateRequestListener;
+use Symfony\Component\HttpKernel\Event\GetResponseEvent;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpKernel\KernelEvents;
+
+class ValidateRequestListenerTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @expectedException Symfony\Component\HttpFoundation\Exception\ConflictingHeadersException
+     */
+    public function testListenerThrowsWhenMasterRequestHasInconsistentClientIps()
+    {
+        $dispatcher = new EventDispatcher();
+        $kernel = $this->getMock('Symfony\Component\HttpKernel\HttpKernelInterface');
+
+        $request = new Request();
+        $request->setTrustedProxies(array('1.1.1.1'));
+        $request->server->set('REMOTE_ADDR', '1.1.1.1');
+        $request->headers->set('FORWARDED', '2.2.2.2');
+        $request->headers->set('X_FORWARDED_FOR', '3.3.3.3');
+
+        $dispatcher->addListener(KernelEvents::REQUEST, array(new ValidateRequestListener(), 'onKernelRequest'));
+        $event = new GetResponseEvent($kernel, $request, HttpKernelInterface::MASTER_REQUEST);
+
+        $dispatcher->dispatch(KernelEvents::REQUEST, $event);
+    }
+}

src/Symfony/Component/HttpKernel/Tests/HttpKernelTest.php

@@ -307,28 +307,21 @@ class HttpKernelTest extends \PHPUnit_Framework_TestCase
      */
     public function testInconsistentClientIpsOnMasterRequests()
     {
-        $kernel = $this->getHttpKernel(new EventDispatcher());
         $request = new Request();
         $request->setTrustedProxies(array('1.1.1.1'));
         $request->server->set('REMOTE_ADDR', '1.1.1.1');
         $request->headers->set('FORWARDED', '2.2.2.2');
         $request->headers->set('X_FORWARDED_FOR', '3.3.3.3');
 
+        $dispatcher = new EventDispatcher();
+        $dispatcher->addListener(KernelEvents::REQUEST, function ($event) {
+            $event->getRequest()->getClientIp();
+        });
+
+        $kernel = $this->getHttpKernel($dispatcher);
         $kernel->handle($request, $kernel::MASTER_REQUEST, false);
     }
 
-    public function testInconsistentClientIpsOnSubRequests()
-    {
-        $kernel = $this->getHttpKernel(new EventDispatcher());
-        $request = new Request();
-        $request->setTrustedProxies(array('1.1.1.1'));
-        $request->server->set('REMOTE_ADDR', '1.1.1.1');
-        $request->headers->set('FORWARDED', '2.2.2.2');
-        $request->headers->set('X_FORWARDED_FOR', '3.3.3.3');
-
-        $this->assertInstanceOf('Symfony\Component\HttpFoundation\Response', $kernel->handle($request, $kernel::SUB_REQUEST, false));
-    }
-
     private function getHttpKernel(EventDispatcherInterface $eventDispatcher, $controller = null, RequestStack $requestStack = null, array $arguments = array())
     {
         if (null === $controller) {