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<?php /* * This file is part of SwiftMailer. * (c) 2004-2009 Chris Corbyn * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ /** * Handles XOAUTH2 authentication. * * Example: * <code> * $transport = (new Swift_SmtpTransport('smtp.gmail.com', 587, 'tls')) * ->setAuthMode('XOAUTH2') * ->setUsername('YOUR_EMAIL_ADDRESS') * ->setPassword('YOUR_ACCESS_TOKEN'); * </code> * * @author xu.li<AthenaLightenedMyPath@gmail.com> * * @see https://developers.google.com/google-apps/gmail/xoauth2_protocol */ class Swift_Transport_Esmtp_Auth_XOAuth2Authenticator implements Swift_Transport_Esmtp_Authenticator { /** * Get the name of the AUTH mechanism this Authenticator handles. * * @return string */ public function getAuthKeyword() { return 'XOAUTH2'; } /** * {@inheritdoc} */ public function authenticate(Swift_Transport_SmtpAgent $agent, $email, $token) { try { $param = $this->constructXOAuth2Params($email, $token); $agent->executeCommand('AUTH XOAUTH2 '.$param."\r\n", [235]); return true; } catch (Swift_TransportException $e) { $agent->executeCommand("RSET\r\n", [250]); throw $e; } } /** * Construct the auth parameter. * * @see https://developers.google.com/google-apps/gmail/xoauth2_protocol#the_sasl_xoauth2_mechanism */ protected function constructXOAuth2Params($email, $token) { return base64_encode("user=$email\1auth=Bearer $token\1\1"); } }