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|
<?php
namespace Kanboard\Auth;
use Otp\Otp;
use Otp\GoogleAuthenticator;
use Base32\Base32;
use Kanboard\Core\Base;
use Kanboard\Core\Security\PostAuthenticationProviderInterface;
/**
* TOTP Authentication Provider
*
* @package Kanboard\Auth
* @author Frederic Guillot
*/
class TotpAuth extends Base implements PostAuthenticationProviderInterface
{
/**
* User pin code
*
* @access protected
* @var string
*/
protected $code = '';
/**
* Private key
*
* @access protected
* @var string
*/
protected $secret = '';
/**
* Get authentication provider name
*
* @access public
* @return string
*/
public function getName()
{
return t('Time-based One-time Password Algorithm');
}
/**
* Authenticate the user
*
* @access public
* @return boolean
*/
public function authenticate()
{
$otp = new Otp;
return $otp->checkTotp(Base32::decode($this->secret), $this->code);
}
/**
* Called before to prompt the user
*
* @access public
*/
public function beforeCode()
{
}
/**
* Set validation code
*
* @access public
* @param string $code
*/
public function setCode($code)
{
$this->code = $code;
}
/**
* Generate secret
*
* @access public
* @return string
*/
public function generateSecret()
{
$this->secret = GoogleAuthenticator::generateRandom();
return $this->secret;
}
/**
* Set secret token
*
* @access public
* @param string $secret
*/
public function setSecret($secret)
{
$this->secret = $secret;
}
/**
* Get secret token
*
* @access public
* @return string
*/
public function getSecret()
{
return $this->secret;
}
/**
* Get QR code url
*
* @access public
* @param string $label
* @return string
*/
public function getQrCodeUrl($label)
{
if (empty($this->secret)) {
return '';
}
$options = array('issuer' => TOTP_ISSUER);
return GoogleAuthenticator::getQrCodeUrl('totp', $label, $this->secret, null, $options);
}
/**
* Get key url (empty if no url can be provided)
*
* @access public
* @param string $label
* @return string
*/
public function getKeyUrl($label)
{
if (empty($this->secret)) {
return '';
}
$options = array('issuer' => TOTP_ISSUER);
return GoogleAuthenticator::getKeyUri('totp', $label, $this->secret, null, $options);
}
}
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