Added 2FA with U2F keys.

src/EventSubscriber/U2FRegistrationSubscriber.php

@@ -0,0 +1,55 @@
+<?php
+
+
+namespace App\EventSubscriber;
+
+
+use App\Entity\UserSystem\U2FKey;
+use Doctrine\ORM\EntityManagerInterface;
+use R\U2FTwoFactorBundle\Event\RegisterEvent;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
+
+class U2FRegistrationSubscriber implements EventSubscriberInterface
+{
+    /** @var UrlGeneratorInterface */
+    private $router;
+
+    protected $em;
+
+    public function __construct(UrlGeneratorInterface $router, EntityManagerInterface $entityManager)
+    {
+        $this->router = $router;
+        $this->em = $entityManager;
+    }
+
+    // ..
+
+    /** @return string[] **/
+    public static function getSubscribedEvents(): array
+    {
+        return array(
+            'r_u2f_two_factor.register' => 'onRegister',
+        );
+    }
+
+    public function onRegister(RegisterEvent $event): void
+    {
+        $user = $event->getUser();
+        $registration = $event->getRegistration();
+        $newKey = new U2FKey();
+        $newKey->fromRegistrationData($registration);
+        $newKey->setUser($user);
+        $newKey->setName($event->getKeyName());
+
+        // persist the new key
+        $this->em->persist($newKey);
+        $this->em->flush();
+
+        // generate new response, here we redirect the user to the fos user
+        // profile
+        $response = new RedirectResponse($this->router->generate('user_settings'));
+        $event->setResponse($response);
+    }
+}