/usr/share/php/Horde/Imap/Client/Password/Xoauth2.php is in php-horde-imap-client 2.17.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* Copyright 2013 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @category Horde
* @copyright 2013 Horde LLC
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @package Imap_Client
*/
/**
* Generates an OAuth 2.0 authentication token as used in the Gmail XOAUTH2
* authentication mechanism.
*
* See: https://developers.google.com/gmail/xoauth2_protocol
*
* @author Michael Slusarz <slusarz@horde.org>
* @category Horde
* @copyright 2013 Horde LLC
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @package Imap_Client
* @since 2.16.0
*/
class Horde_Imap_Client_Password_Xoauth2
implements Horde_Imap_Client_Base_Password
{
/**
* Access token.
*
* @var string
*/
public $access_token;
/**
* Username.
*
* @var string
*/
public $username;
/**
* Constructor.
*
* @param string $username The username.
* @param string $access_token The access token.
*/
public function __construct($username, $access_token)
{
$this->username = $username;
$this->access_token = $access_token;
}
/**
* Return the password to use for the server connection.
*
* @return string The password.
*/
public function getPassword()
{
// base64("user=" {User} "^Aauth=Bearer " {Access Token} "^A^A")
// ^A represents a Control+A (\001)
return base64_encode(
'user=' . $this->username . "\1" .
'auth=Bearer ' . $this->access_token . "\1\1"
);
}
}
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