Use a listener to skip registration

app/config/routing.yml

@@ -41,12 +41,6 @@ homepage:
 fos_user:
     resource: "@FOSUserBundle/Resources/config/routing/all.xml"
 
-fos_user_registration_register:
-    path: /register
-    defaults:
-        _controller: Wallabag\UserBundle\Controller\RegistrationController::registerAction
-    methods: [GET, POST]
-
 fos_oauth_server_token:
     resource: "@FOSOAuthServerBundle/Resources/config/routing/token.xml"
 

src/Wallabag/UserBundle/Controller/RegistrationController.php

@@ -1,18 +0,0 @@
-<?php
-
-namespace Wallabag\UserBundle\Controller;
-
-use FOS\UserBundle\Controller\RegistrationController as FOSRegistrationController;
-use Symfony\Component\HttpFoundation\Request;
-
-class RegistrationController extends FOSRegistrationController
-{
-    public function registerAction(Request $request)
-    {
-        if ($this->container->getParameter('fosuser_registration')) {
-            return parent::registerAction($request);
-        }
-
-        return $this->redirectToRoute('fos_user_security_login', [], 301);
-    }
-}

src/Wallabag/UserBundle/EventListener/RegistrationListener.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace Wallabag\UserBundle\EventListener;
+
+use FOS\UserBundle\Event\GetResponseUserEvent;
+use FOS\UserBundle\FOSUserEvents;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
+
+class RegistrationListener implements EventSubscriberInterface
+{
+    /**
+     * @var bool
+     */
+    private $registrationEnabled;
+
+    /**
+     * @var UrlGeneratorInterface
+     */
+    private $urlGenerator;
+
+    public function __construct($registrationEnabled, UrlGeneratorInterface $urlGenerator)
+    {
+        $this->registrationEnabled = $registrationEnabled;
+        $this->urlGenerator = $urlGenerator;
+    }
+
+    public static function getSubscribedEvents()
+    {
+        return [
+            FOSUserEvents::REGISTRATION_INITIALIZE => 'onRegistrationInitialize',
+        ];
+    }
+
+    public function onRegistrationInitialize(GetResponseUserEvent $event)
+    {
+        if ($this->registrationEnabled) {
+            return;
+        }
+
+        $event->setResponse(new RedirectResponse($this->urlGenerator->generate('fos_user_security_login'), 301));
+    }
+}

src/Wallabag/UserBundle/Resources/config/services.yml

@@ -9,6 +9,13 @@ services:
             - '@=service(''craue_config'').get(''wallabag_support_url'')'
             - '%domain_name%'
 
+    Wallabag\UserBundle\EventListener\RegistrationListener:
+        arguments:
+            - '%fosuser_registration%'
+            - '@router'
+        tags:
+            - { name: kernel.event_subscriber }
+
     wallabag_user.password_resetting:
         class: Wallabag\UserBundle\EventListener\PasswordResettingListener
         arguments: