public function login($credentials)
{
$this->_client = new \Oara\Curl\Access($credentials);
$user = $credentials['user'];
$password = $credentials['password'];
$loginUrl = 'http://system.fashiontraffic.com/';
$valuesLogin = array(new \Oara\Curl\Parameter('_method', "POST"), new \Oara\Curl\Parameter('data[User][type]', 'affiliate_user'), new \Oara\Curl\Parameter('data[User][email]', $user), new \Oara\Curl\Parameter('data[User][password]', $password));
$urls = array();
$urls[] = new \Oara\Curl\Request($loginUrl, $valuesLogin);
$this->_client->post($urls);
}