<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Mailer\Transport\Smtp\Auth;
use Symfony\Component\Mailer\Transport\Smtp\EsmtpTransport;
/**
* Handles XOAUTH2 authentication.
*
* @author xu.li<[email protected]>
*
* @see https://developers.google.com/google-apps/gmail/xoauth2_protocol
*/
class XOAuth2Authenticator implements AuthenticatorInterface
{
public function getAuthKeyword(): string
{
return 'XOAUTH2';
}
/**
* {@inheritdoc}
*
* @see https://developers.google.com/google-apps/gmail/xoauth2_protocol#the_sasl_xoauth2_mechanism
*/
public function authenticate(EsmtpTransport $client): void
{
$client->executeCommand('AUTH XOAUTH2 '.base64_encode('user='.$client->getUsername()."\1auth=Bearer ".$client->getPassword()."\1\1")."\r\n", [235]);
}
}