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<?php
/**
* This is the base class for any authentication object.
*
* @package Sabre
* @subpackage DAV
* @version $Id$
* @copyright Copyright (C) 2007-2010 Rooftop Solutions. All rights reserved.
* @author Evert Pot (http://www.rooftopsolutions.nl/)
* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
*/
abstract class Sabre_DAV_Auth_Backend_Abstract {
/**
* Returns the HTTP Digest hash for a username
*
* This must be the A1 part of the digest hash
*
* @param string $username
* @return string
*/
abstract public function getDigestHash($username);
/**
* Returns a userid for a username
*
* The result may be any string, or simply a number.
* By default the username is just returned, but it is
* possible for backends to supply a different type of userid.
*
* @param mixed $username
* @return void
*/
public function getUserId($username) {
return $username;
}
/**
* Returns the full list of users.
*
* This method must at least return a userId for each user.
*
* @return array
*/
public function getUsers() {
return array();
}
}
?>