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efrain |
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<?php
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/**
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* PHPMailer - PHP email creation and transport class.
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* PHP Version 5.5.
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*
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* @see https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project
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*
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* @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
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* @author Jim Jagielski (jimjag) <jimjag@gmail.com>
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* @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
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* @author Brent R. Matzelle (original founder)
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* @copyright 2012 - 2020 Marcus Bointon
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* @copyright 2010 - 2012 Jim Jagielski
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* @copyright 2004 - 2009 Andy Prevost
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* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
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* @note This program is distributed in the hope that it will be useful - WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*/
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namespace PHPMailer\PHPMailer;
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use League\OAuth2\Client\Grant\RefreshToken;
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use League\OAuth2\Client\Provider\AbstractProvider;
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use League\OAuth2\Client\Token\AccessToken;
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/**
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* OAuth - OAuth2 authentication wrapper class.
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* Uses the oauth2-client package from the League of Extraordinary Packages.
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*
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* @see http://oauth2-client.thephpleague.com
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*
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* @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
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*/
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class OAuth implements OAuthTokenProvider
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{
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/**
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* An instance of the League OAuth Client Provider.
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*
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* @var AbstractProvider
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*/
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protected $provider;
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/**
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* The current OAuth access token.
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*
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* @var AccessToken
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*/
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protected $oauthToken;
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/**
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* The user's email address, usually used as the login ID
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* and also the from address when sending email.
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*
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* @var string
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*/
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protected $oauthUserEmail = '';
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/**
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* The client secret, generated in the app definition of the service you're connecting to.
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*
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* @var string
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*/
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protected $oauthClientSecret = '';
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/**
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* The client ID, generated in the app definition of the service you're connecting to.
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*
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* @var string
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*/
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protected $oauthClientId = '';
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/**
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* The refresh token, used to obtain new AccessTokens.
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*
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* @var string
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*/
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protected $oauthRefreshToken = '';
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/**
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* OAuth constructor.
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*
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* @param array $options Associative array containing
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* `provider`, `userName`, `clientSecret`, `clientId` and `refreshToken` elements
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*/
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public function __construct($options)
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{
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$this->provider = $options['provider'];
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$this->oauthUserEmail = $options['userName'];
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$this->oauthClientSecret = $options['clientSecret'];
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$this->oauthClientId = $options['clientId'];
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$this->oauthRefreshToken = $options['refreshToken'];
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}
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/**
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* Get a new RefreshToken.
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*
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* @return RefreshToken
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*/
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protected function getGrant()
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{
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return new RefreshToken();
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}
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/**
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* Get a new AccessToken.
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*
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* @return AccessToken
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*/
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protected function getToken()
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{
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return $this->provider->getAccessToken(
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$this->getGrant(),
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['refresh_token' => $this->oauthRefreshToken]
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);
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}
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/**
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* Generate a base64-encoded OAuth token.
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*
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* @return string
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*/
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public function getOauth64()
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{
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//Get a new token if it's not available or has expired
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if (null === $this->oauthToken || $this->oauthToken->hasExpired()) {
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$this->oauthToken = $this->getToken();
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}
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return base64_encode(
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'user=' .
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$this->oauthUserEmail .
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"\001auth=Bearer " .
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$this->oauthToken .
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"\001\001"
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);
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}
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}
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