first implementation of security

src/Wallabag/CoreBundle/Controller/SecurityController.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Wallabag\CoreBundle\Controller;
+
+use Symfony\Bundle\FrameworkBundle\Controller\Controller;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\Security\Core\SecurityContext;
+
+class SecurityController extends Controller
+{
+    public function loginAction(Request $request)
+    {
+        $session = $request->getSession();
+        // get the login error if there is one
+        if ($request->attributes->has(SecurityContext::AUTHENTICATION_ERROR)) {
+            $error = $request->attributes->get(SecurityContext::AUTHENTICATION_ERROR);
+        } else {
+            $error = $session->get(SecurityContext::AUTHENTICATION_ERROR);
+            $session->remove(SecurityContext::AUTHENTICATION_ERROR);
+        }
+        return $this->render('WallabagCoreBundle:Security:login.html.twig', array(
+            // last username entered by the user
+            'last_username' => $session->get(SecurityContext::LAST_USERNAME),
+            'error'         => $error,
+        ));
+    }
+}