Авторизация в Symfony2

    public function authenticationAction(Request $request)
    {
        $session = $request->getSession();

        // get the login error if there is one
        if ($request->attributes->has(SecurityContextInterface::AUTHENTICATION_ERROR)) {
            $error = $request->attributes->get(SecurityContextInterface::AUTHENTICATION_ERROR);
        } else {
            $error = $session->get(SecurityContextInterface::AUTHENTICATION_ERROR);
            $session->remove(SecurityContextInterface::AUTHENTICATION_ERROR);
        }

        $loginForm = $this->createForm(new AccountLoginType(), new AccountLogin(), [
            'action' => $this->generateUrl('account_authorization')
        ])->handleRequest($request);

        return $this->render('noxaeternaMainBundle:Account:login.html.twig', [
            'loginForm' => $loginForm->createView(),
            'error' => $error
        ]);
    }

    public function authorizationAction(Request $request) {
        $loginForm = $this->createForm(new AccountLoginType(), new AccountLogin(), [
            'action' => $this->generateUrl('account_authorization')
        ])->handleRequest($request);

        if ($request->getMethod() === 'POST' && $loginForm->isValid()) {
            $name = $loginForm->getData()->getName();

            $user = UserQuery::create()->findOneByName($name);

            if (is_null($user)) {
                return $this->render('noxaeternaMainBundle:Account:login.html.twig', [
                    'loginForm' => $loginForm->createView(),
                    'error' => 'Пользователя с таким именем не существует.'
                ]);
            }

            $encryptionService = $this->get('encryption_service');

            $passwordHash = $encryptionService->calculateMd5($encryptionService->encrypt(
                $loginForm->getData()->getPassword(),
                $user->getSalt()
            ));

            if ($user->getPasswordHash() !== $passwordHash) {
                return $this->render('noxaeternaMainBundle:Account:login.html.twig', [
                    'loginForm' => $loginForm->createView(),
                    'error' => 'Пароли не совпадают.'
                ]);
            }

            $sessionKey = new SessionKey();

            $sessionKey->setUserId($user->getId())
                ->setKey(md5(uniqid($name, true)))
                ->setCreationTime(new \DateTime())
                ->setIsExpired($loginForm->getData()->getRememberMe() ? 1 : 0)
                ->save();

            $response = new Response();

            $response->headers->setCookie(new Cookie('NOXUID', $sessionKey->getKey()));
            $response->send();

            return $this->redirect($this->generateUrl('index'));
        }

        return $this->render('noxaeternaMainBundle:Account:login.html.twig', [
            'loginForm' => $loginForm->createView()
        ]);
    }

security:
    encoders:
#        Symfony\Component\Security\Core\User\User: plaintext
        noxaeterna\MainBundle\Model\User:
            id: encryption_service

    role_hierarchy:
        ROLE_ADMIN:       ROLE_USER
        ROLE_SUPER_ADMIN: [ROLE_USER, ROLE_ADMIN, ROLE_ALLOWED_TO_SWITCH]

    providers:
        main:
            id: nox_user_provider

    firewalls:
        dev:
            pattern:  ^/(_(profiler|wdt)|css|images|js)/
            security: false

        login:
            pattern:  ^/account/login$
            security: false

        secured_area:
            pattern:    ^/
            form_login:
                check_path: account_authentication
                login_path: account_authorization
                use_referer: true
            logout:
                path:   account_logout
                target: /
            remember_me:
                key:      "%secret%"
                lifetime: 31536000 # 365 days in seconds
                path:     ^/
                domain:   ~ # Defaults to the current domain from $_SERVER
            anonymous: ~
            #http_basic:
            #    realm: "Secured Demo Area"

    access_control:
        - { path: ^/account/login/$, roles: IS_AUTHENTICATED_ANONYMOUSLY }
        - { path: ^/profile/change/(password|name)/$, roles: IS_AUTHENTICATED_REMEMBERED }
        - { path: ^/(blog|gallery|library)/add/, roles: IS_AUTHENTICATED_REMEMBERED }
        - { path: ^/(blog|gallery|library)/(post|image|book)/\d+/edit/$, roles: IS_AUTHENTICATED_REMEMBERED }
        - { path: ^/profile/$, roles: IS_AUTHENTICATED_REMEMBERED}