public function authenticate()
{
$user = Modela_Doc::findOne($this->_designDoc, $this->_view, array("key" => $this->_identityValue), true);
if ($user) {
if ($this->_passwordIsValid($user)) {
$result = new Zend_Auth_Result(Zend_Auth_Result::SUCCESS, $user, array());
} else {
$result = new Zend_Auth_Result(Zend_Auth_Result::FAILURE_CREDENTIAL_INVALID, null);
}
} else {
$result = new Zend_Auth_Result(Zend_Auth_Result::FAILURE_CREDENTIAL_INVALID, null);
}
return $result;
}
