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- <?php
- /**
- * PHPMailer - PHP email creation and transport class.
- * PHP Version 5.5.
- *
- * @see https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project
- *
- * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
- * @author Jim Jagielski (jimjag) <jimjag@gmail.com>
- * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
- * @author Brent R. Matzelle (original founder)
- * @copyright 2012 - 2015 Marcus Bointon
- * @copyright 2010 - 2012 Jim Jagielski
- * @copyright 2004 - 2009 Andy Prevost
- * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
- * @note This program is distributed in the hope that it will be useful - WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.
- */
-
- namespace PHPMailer\PHPMailer;
-
- use League\OAuth2\Client\Grant\RefreshToken;
- use League\OAuth2\Client\Provider\AbstractProvider;
- use League\OAuth2\Client\Token\AccessToken;
-
- /**
- * OAuth - OAuth2 authentication wrapper class.
- * Uses the oauth2-client package from the League of Extraordinary Packages.
- *
- * @see http://oauth2-client.thephpleague.com
- *
- * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
- */
- class OAuth
- {
- /**
- * An instance of the League OAuth Client Provider.
- *
- * @var AbstractProvider
- */
- protected $provider;
-
- /**
- * The current OAuth access token.
- *
- * @var AccessToken
- */
- protected $oauthToken;
-
- /**
- * The user's email address, usually used as the login ID
- * and also the from address when sending email.
- *
- * @var string
- */
- protected $oauthUserEmail = '';
-
- /**
- * The client secret, generated in the app definition of the service you're connecting to.
- *
- * @var string
- */
- protected $oauthClientSecret = '';
-
- /**
- * The client ID, generated in the app definition of the service you're connecting to.
- *
- * @var string
- */
- protected $oauthClientId = '';
-
- /**
- * The refresh token, used to obtain new AccessTokens.
- *
- * @var string
- */
- protected $oauthRefreshToken = '';
-
- /**
- * OAuth constructor.
- *
- * @param array $options Associative array containing
- * `provider`, `userName`, `clientSecret`, `clientId` and `refreshToken` elements
- */
- public function __construct($options)
- {
- $this->provider = $options['provider'];
- $this->oauthUserEmail = $options['userName'];
- $this->oauthClientSecret = $options['clientSecret'];
- $this->oauthClientId = $options['clientId'];
- $this->oauthRefreshToken = $options['refreshToken'];
- }
-
- /**
- * Get a new RefreshToken.
- *
- * @return RefreshToken
- */
- protected function getGrant()
- {
- return new RefreshToken();
- }
-
- /**
- * Get a new AccessToken.
- *
- * @return AccessToken
- */
- protected function getToken()
- {
- return $this->provider->getAccessToken(
- $this->getGrant(),
- ['refresh_token' => $this->oauthRefreshToken]
- );
- }
-
- /**
- * Generate a base64-encoded OAuth token.
- *
- * @return string
- */
- public function getOauth64()
- {
- // Get a new token if it's not available or has expired
- if (null === $this->oauthToken || $this->oauthToken->hasExpired()) {
- $this->oauthToken = $this->getToken();
- }
-
- return base64_encode(
- 'user=' .
- $this->oauthUserEmail .
- "\001auth=Bearer " .
- $this->oauthToken .
- "\001\001"
- );
- }
- }
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