<?php
/*
 You may not change or alter any portion of this comment or credits
 of supporting developers from this source code or any supporting source code
 which is considered copyrighted (c) material of the original comment or credit authors.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/

/**
 * Authentification provisionning class
 *
 * @copyright       The XOOPS Project http://sourceforge.net/projects/xoops/
 * @license         http://www.fsf.org/copyleft/gpl.html GNU public license
 * @package         kernel
 * @subpackage      auth
 * @since           2.0
 * @author          Pierre-Eric MENUET <pemphp@free.fr>
 * @version         $Id: auth_provisionning.php 3616 2009-09-10 20:39:31Z trabis $
 */
defined('XOOPS_ROOT_PATH') or die('Restricted access');

/**
 *
 * @package kernel
 * @subpackage auth
 * @description Authentification provisionning class. This class is responsible to
 * provide synchronisation method to Xoops User Database
 * @author Pierre-Eric MENUET <pemphp@free.fr>
 * @copyright copyright (c) 2000-2003 XOOPS.org
 */
class XoopsAuthProvisionning
{
    var $_auth_instance;

    /**
     * XoopsAuthProvisionning::getInstance()
     *
     * @param mixed $auth_instance
     * @return
     */
    function &getInstance(&$auth_instance)
    {
        static $provis_instance;
        if (!isset($provis_instance)) {
            $provis_instance = new XoopsAuthProvisionning($auth_instance);
        }
        return $provis_instance;
    }

    /**
     * Authentication Service constructor
     */
    function XoopsAuthProvisionning(&$auth_instance)
    {
        $this->_auth_instance =& $auth_instance;
        $config_handler =& xoops_gethandler('config');
        $config = $config_handler->getConfigsByCat(XOOPS_CONF_AUTH);
        foreach ($config as $key => $val) {
            $this->$key = $val;
        }
        $config_gen = $config_handler->getConfigsByCat(XOOPS_CONF);
        $this->default_TZ = $config_gen['default_TZ'];
        $this->theme_set = $config_gen['theme_set'];
        $this->com_mode = $config_gen['com_mode'];
        $this->com_order = $config_gen['com_order'];
    }

    /**
     * Return a Xoops User Object
     *
     * @return XoopsUser or false
     */
    function getXoopsUser($uname)
    {
        $member_handler =& xoops_gethandler('member');
        $criteria = new Criteria('uname', $uname);
        $getuser = $member_handler->getUsers($criteria);
        if (count($getuser) == 1) {
            return $getuser[0];
        } else {
            return false;
        }
    }

    /**
     * Launch the synchronisation process
     *
     * @return bool
     */
    function sync($datas, $uname, $pwd = null)
    {
        $xoopsUser = $this->getXoopsUser($uname);
        if (!$xoopsUser) { // Xoops User Database not exists
            if ($this->ldap_provisionning) {
                $xoopsUser = $this->add($datas, $uname, $pwd);
            } else {
                $this->_auth_instance->setErrors(0, sprintf(_AUTH_LDAP_XOOPS_USER_NOTFOUND, $uname));
            }
        } else { // Xoops User Database exists
            if ($this->ldap_provisionning && $this->ldap_provisionning_upd) {
                $xoopsUser = $this->change($xoopsUser, $datas, $uname, $pwd);
            }
        }
        return $xoopsUser;
    }

    /**
     * Add a new user to the system
     *
     * @return bool
     */
    function add($datas, $uname, $pwd = null)
    {
        $ret = false;
        $member_handler =& xoops_gethandler('member');
        // Create XOOPS Database User
        $newuser = $member_handler->createUser();
        $newuser->setVar('uname', $uname);
        $newuser->setVar('pass', md5(stripslashes($pwd)));
        $newuser->setVar('rank', 0);
        $newuser->setVar('level', 1);
        $newuser->setVar('timezone_offset', $this->default_TZ);
        $newuser->setVar('theme', $this->theme_set);
        $newuser->setVar('umode', $this->com_mode);
        $newuser->setVar('uorder', $this->com_order);
        $tab_mapping = explode('|', $this->ldap_field_mapping);
        foreach ($tab_mapping as $mapping) {
            $fields = explode('=', trim($mapping));
            if ($fields[0] && $fields[1])
                $newuser->setVar(trim($fields[0]), utf8_decode($datas[trim($fields[1])][0]));
        }
        if ($member_handler->insertUser($newuser)) {
            foreach($this->ldap_provisionning_group as $groupid) {
                $member_handler->addUserToGroup($groupid, $newuser->getVar('uid'));
            }
            $newuser->unsetNew();
            return $newuser;
        } else {
            redirect_header(XOOPS_URL . '/user.php', 5, $newuser->getHtmlErrors());
        }
        return $ret;
    }

    /**
     * Modify user information
     *
     * @return bool
     */
    function change(&$xoopsUser, $datas, $uname, $pwd = null)
    {
        $ret = false;
        $member_handler =& xoops_gethandler('member');
        $xoopsUser->setVar('pass', md5(stripslashes($pwd)));
        $tab_mapping = explode('|', $this->ldap_field_mapping);
        foreach ($tab_mapping as $mapping) {
            $fields = explode('=', trim($mapping));
            if ($fields[0] && $fields[1]) {
                $xoopsUser->setVar(trim($fields[0]), utf8_decode($datas[trim($fields[1])][0]));
            }
        }
        if ($member_handler->insertUser($xoopsUser)) {
            return $xoopsUser;
        } else {
            redirect_header(XOOPS_URL . '/user.php', 5, $xoopsUser->getHtmlErrors());
        }
        return $ret;
    }

    /**
     * Modify a user
     *
     * @return bool
     */
    function delete()
    {
    }

    /**
     * Suspend a user
     *
     * @return bool
     */
    function suspend()
    {
    }

    /**
     * Restore a user
     *
     * @return bool
     */
    function restore()
    {
    }

    /**
     * Add a new user to the system
     *
     * @return bool
     */
    function resetpwd()
    {
    }
} // end class

?>