<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_Mail

 * @subpackage Protocol

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id: Plain.php 22653 2010-07-22 18:41:39Z mabe $

 */

/**

 * @see Zend_Mail_Protocol_Smtp

 */

require_once 'Zend/Mail/Protocol/Smtp.php';

/**

 * Performs PLAIN authentication

 *

 * @category   Zend

 * @package    Zend_Mail

 * @subpackage Protocol

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_Mail_Protocol_Smtp_Auth_Plain extends Zend_Mail_Protocol_Smtp

{

    /**

     * PLAIN username

     *

     * @var string

     */

    protected $_username;

    /**

     * PLAIN password

     *

     * @var string

     */

    protected $_password;

    /**

     * Constructor.

     *

     * @param  string $host   (Default: 127.0.0.1)

     * @param  int    $port   (Default: null)

     * @param  array  $config Auth-specific parameters

     * @return void

     */

    public function __construct($host = '127.0.0.1', $port = null, $config = null)

    {

        if (is_array($config)) {

            if (isset($config['username'])) {

                $this->_username = $config['username'];

            }

            if (isset($config['password'])) {

                $this->_password = $config['password'];

            }

        }

        parent::__construct($host, $port, $config);

    }

    /**

     * Perform PLAIN authentication with supplied credentials

     *

     * @return void

     */

    public function auth()

    {

        // Ensure AUTH has not already been initiated.

        parent::auth();

        $this->_send('AUTH PLAIN');

        $this->_expect(334);

        $this->_send(base64_encode("\0" . $this->_username . "\0" . $this->_password));

        $this->_expect(235);

        $this->_auth = true;

    }

}