public function authenticate(TokenInterface $token)
 {
     $ldapUserCredentials = $token->getLDAPUserCredentials();
     $ldapConnection = $this->ldapService->getConnection();
     if ($ldapConnection) {
         $ldapBind = $this->ldapService->bind($ldapConnection, $ldapUserCredentials['username'], $ldapUserCredentials['password']);
         if (true === $ldapBind) {
             $ldapEntry = $this->ldapService->read($ldapConnection, "uid=" . $ldapUserCredentials['username'] . "," . $this->ldapService->getDn(), "(objectclass=*)", array('ou', 'sn', 'cn', 'mail'));
             if (is_array($ldapEntry) && isset($ldapEntry['count']) && $ldapEntry['count']) {
                 $ldapUserObject = $ldapEntry[0];
                 $user = $this->entityLibrary->get('User')->findOneByUsername($ldapUserCredentials['username']);
                 if (!$user) {
                     $roleGeneral = $this->entityLibrary->get('Role')->findOneByName('ROLE_GENERAL');
                     $groupGeneral = $this->entityLibrary->get('UserGroup')->findOneByName('General');
                     $user = new User();
                     $user->setName($ldapUserObject['cn'][0] . ' ' . $ldapUserObject['sn'][0]);
                     $user->setEmail($ldapUserObject['mail'][0]);
                     $user->setUsername($ldapUserCredentials['username']);
                     $user->setSalt(uniqid());
                     $user->addRole($roleGeneral);
                     $user->addUserGroup($groupGeneral);
                     $this->entityLibrary->get('User')->save($user);
                 }
                 $authenticatedToken = new LDAPToken($user->getRoles());
                 $authenticatedToken->setUser($user);
                 $authenticatedToken->setLDAPUserCredentials($ldapUserCredentials);
                 return $authenticatedToken;
             }
         }
         throw new AuthenticationException('The LDAP credentials are not found.');
     }
     throw new AuthenticationException('The LDAP authentication failed.');
 }
 public function handle(GetResponseEvent $event)
 {
     $request = $event->getRequest();
     $currentRoute = $request->attributes->get('_route');
     if (!$this->session->has('LDAP_LOGIN_CALLBACK')) {
         if (in_array($currentRoute, $this->allowedRoutes)) {
             $this->session->set('LDAP_LOGIN_CALLBACK', $this->kernel->getParameter('rheck_ldap_firewall.default_url'));
         } else {
             $this->session->set('LDAP_LOGIN_CALLBACK', $currentRoute);
         }
     }
     if (in_array($currentRoute, $this->allowedRoutes)) {
         return;
     }
     if (!$this->session->has('LDAP_LOGIN')) {
         $loginUrl = $this->router->generate($this->kernel->getParameter('rheck_ldap_firewall.login_url'));
         $event->setResponse(RedirectResponse::create($loginUrl));
         return;
     }
     $ldapUserCredentials = $this->session->get('LDAP_LOGIN');
     $token = new LDAPToken();
     $token->setUser('ldap_proxy_user');
     $token->setLDAPUserCredentials($ldapUserCredentials);
     try {
         $authToken = $this->authenticationManager->authenticate($token);
         $this->securityContext->setToken($authToken);
     } catch (AuthenticationException $failed) {
         $this->session->set('LDAP_LOGIN_ERROR', 'Some error was occurred! Can\'t connect to LDAP.');
         $event->setResponse(RedirectResponse::create($this->router->generate('_rheck_ldap_login')));
     } catch (\Exception $e) {
         $this->session->set('LDAP_LOGIN_ERROR', 'Invalid credentials.');
         $event->setResponse(RedirectResponse::create($this->router->generate('_rheck_ldap_login')));
     }
 }