entry point for authentication

src/ApiBundle/Entity/AuthenticationEntryPoint.php

+<?php
+
+namespace ApiBundle\Entity;
+
+/* Imports */
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Security\Core\Exception\AuthenticationException;
+use Symfony\Component\Security\Http\EntryPoint\AuthenticationEntryPointInterface;
+
+/**
+ * Class AuthenticationEntryPoint
+ * Returns a 401 if the user is not logged in instead of redirecting to the login page
+ *
+ */
+class AuthenticationEntryPoint implements AuthenticationEntryPointInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function start(Request $request, AuthenticationException $authException = null)
+    {
+        $response = new Response('', 401);
+        $response->headers->set('Content-Type', 'application/json');
+
+        return $response;
+    }
+}
+?>