<?php
// +-----------------------------------------------------------------------+
// | Copyright (c) 2002-2003 Richard Heyes                                 |
// | All rights reserved.                                                  |
// |                                                                       |
// | Redistribution and use in source and binary forms, with or without    |
// | modification, are permitted provided that the following conditions    |
// | are met:                                                              |
// |                                                                       |
// | o Redistributions of source code must retain the above copyright      |
// |   notice, this list of conditions and the following disclaimer.       |
// | o Redistributions in binary form must reproduce the above copyright   |
// |   notice, this list of conditions and the following disclaimer in the |
// |   documentation and/or other materials provided with the distribution.|
// | o The names of the authors may not be used to endorse or promote      |
// |   products derived from this software without specific prior written  |
// |   permission.                                                         |
// |                                                                       |
// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS   |
// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT     |
// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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// |                                                                       |
// +-----------------------------------------------------------------------+
// | Author: Richard Heyes <richard@php.net>                               |
// +-----------------------------------------------------------------------+
//
// $Id$

/**
* Implmentation of ANONYMOUS SASL mechanism
*
* @author  Richard Heyes <richard@php.net>
* @access  public
* @version 1.0
* @package Auth_SASL
*/

//require_once('Auth/SASL/Common.php');

class Auth_SASL_Anonymous extends Auth_SASL_Common
{
    /**
    * Not much to do here except return the token supplied.
    * No encoding, hashing or encryption takes place for this
    * mechanism, simply one of:
    *  o An email address
    *  o An opaque string not containing "@" that can be interpreted
    *    by the sysadmin
    *  o Nothing
    *
    * We could have some logic here for the second option, but this
    * would by no means create something interpretable.
    *
    * @param  string $token Optional email address or string to provide
    *                       as trace information.
    * @return string        The unaltered input token
    */
    function getResponse($token = '')
    {
        return $token;
    }
}
