fixed compatbility with Symfony 2.6

src/Silex/Provider/SecurityServiceProvider.php

@@ -80,8 +80,10 @@ class SecurityServiceProvider implements ServiceProviderInterface, EventListener
         $app['security.access_rules'] = array();
         $app['security.hide_user_not_found'] = true;
 
+        // the else part of this condition can be removed as soon as the Symfony 2.6 compat is removed
         $r = new \ReflectionMethod('Symfony\Component\Security\Http\Firewall\ContextListener', '__construct');
         $params = $r->getParameters();
+        if ('Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface' === $params[0]->getClass()->getName()) {
             $app['security.authorization_checker'] = function ($app) {
                 return new AuthorizationChecker($app['security.token_storage'], $app['security.authentication_manager'], $app['security.access_manager']);
             };
@@ -90,6 +92,19 @@ class SecurityServiceProvider implements ServiceProviderInterface, EventListener
                 return new TokenStorage();
             };
 
+            $app['security'] = function ($app) {
+                return new SecurityContext($app['security.token_storage'], $app['security.authorization_checker']);
+            };
+        } else {
+            $app['security.token_storage'] = $app['security.authorization_checker'] = function ($app) {
+                return $app['security'];
+            };
+
+            $app['security'] = function ($app) {
+                return new SecurityContext($app['security.authentication_manager'], $app['security.access_manager']);
+            };
+        }
+
         $app['security.authentication_manager'] = function ($app) {
             $manager = new AuthenticationProviderManager($app['security.authentication_providers']);
             $manager->setEventDispatcher($app['dispatcher']);