Symfony 5 support

.travis.yml

@@ -1,88 +1,48 @@
 language: php
 
 php:
-  - 5.4
-  - 5.5
-  - 5.6
-  - 7.0
-  - 7.1
+  - 7.2
+  - 7.3
+  - 7.4
 
 sudo: false
 
 matrix:
     fast_finish: true
     include:
-        - php: 5.4
+        - php: 7.2
           env: COMPOSER_FLAGS="--prefer-lowest"
-        - php: 5.5
-          env: COMPOSER_FLAGS="--prefer-lowest"
-        - php: 5.6
-          env: SYMFONY_VERSION=2.3.*
-        - php: 5.6
-          env: SYMFONY_VERSION=2.6.*
-        - php: 5.6
-          env: SYMFONY_VERSION=2.7.*
-        - php: 5.6
-          env: SYMFONY_VERSION=2.8.*
-        - php: 5.6
-          env: SYMFONY_VERSION=3.0.*
-        - php: 5.6
-          env: SYMFONY_VERSION=3.1.*
-        - php: 5.6
-          env: SYMFONY_VERSION=3.2.*
-        - php: 5.6
-          env: SYMFONY_VERSION=3.3.*
-        - php: 5.6
+        - php: 7.2
           env: SYMFONY_VERSION=3.4.*
-        - php: 7.0
+        - php: 7.2
+          env: SYMFONY_VERSION=4.3.*
+        - php: 7.2
+          env: SYMFONY_VERSION=4.4.*
+        - php: 7.2
+          env: SYMFONY_VERSION=5.0.*
+        - php: 7.3
           env: COMPOSER_FLAGS="--prefer-lowest"
-        - php: 7.0
-          env: SYMFONY_VERSION=2.3.*
-        - php: 7.0
-          env: SYMFONY_VERSION=2.6.*
-        - php: 7.0
-          env: SYMFONY_VERSION=2.7.*
-        - php: 7.0
-          env: SYMFONY_VERSION=2.8.*
-        - php: 7.0
-          env: SYMFONY_VERSION=3.0.*
-        - php: 7.0
-          env: SYMFONY_VERSION=3.1.*
-        - php: 7.0
-          env: SYMFONY_VERSION=3.2.*
-        - php: 7.0
-          env: SYMFONY_VERSION=3.3.*
-        - php: 7.0
+        - php: 7.3
           env: SYMFONY_VERSION=3.4.*
-        - php: 7.1
+        - php: 7.3
+          env: SYMFONY_VERSION=4.3.*
+        - php: 7.3
+          env: SYMFONY_VERSION=4.4.*
+        - php: 7.3
+          env: SYMFONY_VERSION=5.0.*
+        - php: 7.4
           env: COMPOSER_FLAGS="--prefer-lowest"
-        - php: 7.1
-          env: SYMFONY_VERSION=2.3.*
-        - php: 7.1
-          env: SYMFONY_VERSION=2.6.*
-        - php: 7.1
-          env: SYMFONY_VERSION=2.7.*
-        - php: 7.1
-          env: SYMFONY_VERSION=2.8.*
-        - php: 7.1
-          env: SYMFONY_VERSION=3.0.*
-        - php: 7.1
-          env: SYMFONY_VERSION=3.1.*
-        - php: 7.1
-          env: SYMFONY_VERSION=3.2.*
-        - php: 7.1
-          env: SYMFONY_VERSION=3.3.*
-        - php: 7.1
+        - php: 7.4
           env: SYMFONY_VERSION=3.4.*
-        - php: 7.1
-          env: SYMFONY_VERSION=4.0.*
-        - php: 7.1
-          env: SYMFONY_VERSION=4.1.*
-        - php: 7.1
-          env: SYMFONY_VERSION=4.2.*
+        - php: 7.4
+          env: SYMFONY_VERSION=4.3.*
+        - php: 7.4
+          env: SYMFONY_VERSION=4.4.*
+        - php: 7.4
+          env: SYMFONY_VERSION=5.0.*
     allow_failures:
-        - php: 5.6
-
+      - env: COMPOSER_FLAGS="--prefer-lowest"
+      - env: SYMFONY_VERSION=5.0.*
 before_install:
     - echo "extension = redis.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
 before_script:

DependencyInjection/NoxlogicRateLimitExtension.php

@@ -105,13 +105,7 @@ private function loadServices(ContainerBuilder $container, array $config)
         }
 
         if ($config['fos_oauth_key_listener']) {
-            // Set the SecurityContext for Symfony < 2.6
-            // Replace with xml when < 2.6 is dropped.
-            if (interface_exists('Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface')) {
-                $tokenStorageReference = new Reference('security.token_storage');
-            } else {
-                $tokenStorageReference = new Reference('security.context');
-            }
+            $tokenStorageReference = new Reference('security.token_storage');
             $container->getDefinition('noxlogic_rate_limit.oauth_key_generate_listener')->replaceArgument(0, $tokenStorageReference);
         } else {
             $container->removeDefinition('noxlogic_rate_limit.oauth_key_generate_listener');

EventListener/HeaderModificationListener.php

@@ -2,8 +2,8 @@
 
 namespace Noxlogic\RateLimitBundle\EventListener;
 
+use Noxlogic\RateLimitBundle\Events\ProxyFilterResponseEvent;
 use Noxlogic\RateLimitBundle\Service\RateLimitInfo;
-use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
 
 class HeaderModificationListener extends BaseListener
 {
@@ -17,9 +17,9 @@ public function __construct($defaultParameters = array())
     }
 
     /**
-     * @param FilterResponseEvent $event
+     * @param ProxyFilterResponseEvent $event
      */
-    public function onKernelResponse(FilterResponseEvent $event)
+    public function onKernelResponse(ProxyFilterResponseEvent $event)
     {
         $request = $event->getRequest();
 

EventListener/OauthKeyGenerateListener.php

@@ -3,13 +3,12 @@
 namespace Noxlogic\RateLimitBundle\EventListener;
 
 use Noxlogic\RateLimitBundle\Events\GenerateKeyEvent;
-use Symfony\Component\Security\Core\SecurityContextInterface;
 use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
 
 class OauthKeyGenerateListener
 {
     /**
-     * @var SecurityContextInterface|TokenStorageInterface
+     * @var TokenStorageInterface
      */
     protected $tokenStorage;
 

EventListener/RateLimitAnnotationListener.php

@@ -3,24 +3,24 @@
 namespace Noxlogic\RateLimitBundle\EventListener;
 
 use Noxlogic\RateLimitBundle\Annotation\RateLimit;
+use Noxlogic\RateLimitBundle\Events\ProxyFilterControllerEvent;
 use Noxlogic\RateLimitBundle\Events\CheckedRateLimitEvent;
 use Noxlogic\RateLimitBundle\Events\GenerateKeyEvent;
 use Noxlogic\RateLimitBundle\Events\RateLimitEvents;
 use Noxlogic\RateLimitBundle\Exception\RateLimitExceptionInterface;
 use Noxlogic\RateLimitBundle\Service\RateLimitService;
 use Noxlogic\RateLimitBundle\Util\PathLimitProcessor;
-use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface as LegacyEventDispatcherInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
-use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
-use Symfony\Component\Routing\Route;
+use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
 
 class RateLimitAnnotationListener extends BaseListener
 {
 
     /**
-     * @var eventDispatcherInterface
+     * @var EventDispatcherInterface | LegacyEventDispatcherInterface
      */
     protected $eventDispatcher;
 
@@ -38,7 +38,7 @@ class RateLimitAnnotationListener extends BaseListener
      * @param RateLimitService                    $rateLimitService
      */
     public function __construct(
-        EventDispatcherInterface $eventDispatcher,
+        $eventDispatcher,
         RateLimitService $rateLimitService,
         PathLimitProcessor $pathLimitProcessor
     ) {
@@ -48,9 +48,9 @@ public function __construct(
     }
 
     /**
-     * @param FilterControllerEvent $event
+     * @param ProxyFilterControllerEvent $event
      */
-    public function onKernelController(FilterControllerEvent $event)
+    public function onKernelController(ProxyFilterControllerEvent $event)
     {
         // Skip if the bundle isn't enabled (for instance in test environment)
         if( ! $this->getParameter('enabled', true)) {
@@ -68,7 +68,7 @@ public function onKernelController(FilterControllerEvent $event)
 
         // Another treatment before applying RateLimit ?
         $checkedRateLimitEvent = new CheckedRateLimitEvent($event->getRequest(), $rateLimit);
-        $this->eventDispatcher->dispatch(RateLimitEvents::CHECKED_RATE_LIMIT, $checkedRateLimitEvent);
+        $this->dispatch(RateLimitEvents::CHECKED_RATE_LIMIT, $checkedRateLimitEvent);
         $rateLimit = $checkedRateLimitEvent->getRateLimit();
 
         // No matching annotation found
@@ -163,25 +163,25 @@ protected function findBestMethodMatch(Request $request, array $annotations)
         return $best_match;
     }
 
-    private function getKey(FilterControllerEvent $event, RateLimit $rateLimit, array $annotations)
+    private function getKey(ProxyFilterControllerEvent $event, RateLimit $rateLimit, array $annotations)
     {
         // Let listeners manipulate the key
         $keyEvent = new GenerateKeyEvent($event->getRequest(), '', $rateLimit->getPayload());
 
-        $rateLimitMethods = join('.', $rateLimit->getMethods());
+        $rateLimitMethods = implode('.', $rateLimit->getMethods());
         $keyEvent->addToKey($rateLimitMethods);
 
         $rateLimitAlias = count($annotations) === 0
             ? str_replace('/', '.', $this->pathLimitProcessor->getMatchedPath($event->getRequest()))
             : $this->getAliasForRequest($event);
         $keyEvent->addToKey($rateLimitAlias);
 
-        $this->eventDispatcher->dispatch(RateLimitEvents::GENERATE_KEY, $keyEvent);
+        $this->dispatch(RateLimitEvents::GENERATE_KEY, $keyEvent);
 
         return $keyEvent->getKey();
     }
 
-    private function getAliasForRequest(FilterControllerEvent $event)
+    private function getAliasForRequest(ProxyFilterControllerEvent $event)
     {
         if (($route = $event->getRequest()->attributes->get('_route'))) {
             return $route;
@@ -207,4 +207,16 @@ private function getAliasForRequest(FilterControllerEvent $event)
 
         return 'other';
     }
+
+    private function dispatch($eventName, $event)
+    {
+        if ($this->eventDispatcher instanceof EventDispatcherInterface) {
+            // Symfony >= 4.3
+            $this->eventDispatcher->dispatch($event, $eventName);
+        } else {
+            // Symfony 3.4
+            $this->eventDispatcher->dispatch($eventName, $event);
+        }
+    }
+
 }

Events/AbstractEvent.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Noxlogic\RateLimitBundle\Events;
+
+use Symfony\Component\EventDispatcher\Event as LegacyEvent;
+use Symfony\Contracts\EventDispatcher\Event;
+
+if (!class_exists('Symfony\\Contracts\\EventDispatcher\\Event')) {
+    /**
+     * Symfony 3.4
+     */
+    abstract class AbstractEvent extends LegacyEvent
+    {
+    }
+} else {
+    /**
+     * Symfony >= 4.3
+     */
+    abstract class AbstractEvent extends Event
+    {
+    }
+}

Events/CheckedRateLimitEvent.php

@@ -3,10 +3,9 @@
 namespace Noxlogic\RateLimitBundle\Events;
 
 use Noxlogic\RateLimitBundle\Annotation\RateLimit;
-use Symfony\Component\EventDispatcher\Event;
 use Symfony\Component\HttpFoundation\Request;
 
-class CheckedRateLimitEvent extends Event
+class CheckedRateLimitEvent extends AbstractEvent
 {
 
     /**

Events/GenerateKeyEvent.php

@@ -2,10 +2,9 @@
 
 namespace Noxlogic\RateLimitBundle\Events;
 
-use Symfony\Component\EventDispatcher\Event;
 use Symfony\Component\HttpFoundation\Request;
 
-class GenerateKeyEvent extends Event
+class GenerateKeyEvent extends AbstractEvent
 {
 
     /** @var Request */

Events/ProxyFilterControllerEvent.php

@@ -0,0 +1,22 @@
+<?php
+
+
+namespace Noxlogic\RateLimitBundle\Events;
+use Symfony\Component\HttpKernel\Event\ControllerEvent;
+use Symfony\Component\HttpKernel\Event\FilterControllerEvent as LegacyEvent;
+
+if (!class_exists('Symfony\\Component\HttpKernel\\Event\\ControllerEvent')) {
+    /**
+     * Symfony 3.4
+     */
+    class ProxyFilterControllerEvent extends LegacyEvent
+    {
+    }
+} else {
+    /**
+     * Symfony >= 4.3
+     */
+    class ProxyFilterControllerEvent extends ControllerEvent
+    {
+    }
+}

Events/ProxyFilterResponseEvent.php

@@ -0,0 +1,22 @@
+<?php
+
+
+namespace Noxlogic\RateLimitBundle\Events;
+use Symfony\Component\HttpKernel\Event\ResponseEvent;
+use Symfony\Component\HttpKernel\Event\FilterResponseEvent as LegacyEvent;
+
+if (!class_exists('Symfony\\Component\HttpKernel\\Event\\ResponseEvent')) {
+    /**
+     * Symfony 3.4
+     */
+    class ProxyFilterResponseEvent extends LegacyEvent
+    {
+    }
+} else {
+    /**
+     * Symfony >= 4.3
+     */
+    class ProxyFilterResponseEvent extends ResponseEvent
+    {
+    }
+}