| 1 | <?php
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    | 2 | /**
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    | 3 |  * PHPMailer - PHP email creation and transport class.
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    | 4 |  * PHP Version 5.4
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    | 5 |  * @package PHPMailer
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    | 6 |  * @link https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project
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    | 7 |  * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
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    | 8 |  * @author Jim Jagielski (jimjag) <jimjag@gmail.com>
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    | 9 |  * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
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    | 10 |  * @author Brent R. Matzelle (original founder)
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    | 11 |  * @copyright 2012 - 2014 Marcus Bointon
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    | 12 |  * @copyright 2010 - 2012 Jim Jagielski
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    | 13 |  * @copyright 2004 - 2009 Andy Prevost
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    | 14 |  * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
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    | 15 |  * @note This program is distributed in the hope that it will be useful - WITHOUT
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    | 16 |  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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    | 17 |  * FITNESS FOR A PARTICULAR PURPOSE.
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    | 18 |  */
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    | 19 | 
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    | 20 | /**
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    | 21 |  * PHPMailerOAuthGoogle - Wrapper for League OAuth2 Google provider.
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    | 22 |  * @package PHPMailer
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    | 23 |  * @author @sherryl4george
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    | 24 |  * @author Marcus Bointon (@Synchro) <phpmailer@synchromedia.co.uk>
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    | 25 |  * @link https://github.com/thephpleague/oauth2-client
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    | 26 |  */
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    | 27 | class PHPMailerOAuthGoogle
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    | 28 | {
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    | 29 |     private $oauthUserEmail = '';
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    | 30 |     private $oauthRefreshToken = '';
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    | 31 |     private $oauthClientId = '';
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    | 32 |     private $oauthClientSecret = '';
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    | 33 | 
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    | 34 |     /**
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    | 35 |      * @param string $UserEmail
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    | 36 |      * @param string $ClientSecret
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    | 37 |      * @param string $ClientId
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    | 38 |      * @param string $RefreshToken
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    | 39 |      */
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    | 40 |     public function __construct(
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    | 41 |         $UserEmail,
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    | 42 |         $ClientSecret,
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    | 43 |         $ClientId,
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    | 44 |         $RefreshToken
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    | 45 |     ) {
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    | 46 |         $this->oauthClientId = $ClientId;
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    | 47 |         $this->oauthClientSecret = $ClientSecret;
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    | 48 |         $this->oauthRefreshToken = $RefreshToken;
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    | 49 |         $this->oauthUserEmail = $UserEmail;
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    | 50 |     }
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    | 51 | 
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    | 52 |     private function getProvider()
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    | 53 |     {
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    | 54 |         return new League\OAuth2\Client\Provider\Google([
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    | 55 |             'clientId' => $this->oauthClientId,
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    | 56 |             'clientSecret' => $this->oauthClientSecret
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    | 57 |         ]);
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    | 58 |     }
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    | 59 | 
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    | 60 |     private function getGrant()
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    | 61 |     {
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    | 62 |         return new \League\OAuth2\Client\Grant\RefreshToken();
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    | 63 |     }
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    | 64 | 
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    | 65 |     private function getToken()
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    | 66 |     {
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    | 67 |         $provider = $this->getProvider();
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    | 68 |         $grant = $this->getGrant();
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    | 69 |         return $provider->getAccessToken($grant, ['refresh_token' => $this->oauthRefreshToken]);
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    | 70 |     }
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    | 71 | 
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    | 72 |     public function getOauth64()
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    | 73 |     {
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    | 74 |         $token = $this->getToken();
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    | 75 |         return base64_encode("user=" . $this->oauthUserEmail . "\001auth=Bearer " . $token . "\001\001");
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    | 76 |     }
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    | 77 | }
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