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