/**
* Call this function to perform the authentication if a user has an OTP device.
* It will determine which technology to use and switch to the appropriate method accordingly.
*
* @param Mfa_OtpdeviceDao $otpDevice The one-time password device DAO corresponding to the user
* @param Mfa_ApitokenDao $token The current one-time password displayed on the device
* @return true If authentication is successful, false otherwise
* @throws Zend_Exception
*/
public function authenticate($otpDevice, $token)
{
$alg = $otpDevice->getAlgorithm();
switch ($alg) {
case MIDAS_MFA_PAM:
return $this->_pamAuth($otpDevice, $token);
case MIDAS_MFA_OATH_HOTP:
return $this->_hotpAuth($otpDevice, $token);
case MIDAS_MFA_RSA_SECURID:
return $this->_securIdAuth($otpDevice, $token);
case MIDAS_MFA_RADIUS:
return $this->_radiusauth($otpDevice, $token);
default:
throw new Zend_Exception('Unknown OTP algorithm for user ' . $otpDevice->getUserId());
}
}
