<?php
  /**************************************************************************\
  * phpGroupWare API - Auth from SQL                                         *
  * This file written by Dan Kuykendall <seek3r@phpgroupware.org>            *
  * and Joseph Engo <jengo@phpgroupware.org>                                 *
  * Authentication based on SQL table                                        *
  * Copyright (C) 2000, 2001 Dan Kuykendall                                  *
  * -------------------------------------------------------------------------*
  * This library is part of the phpGroupWare API                             *
  * http://www.phpgroupware.org/api                                          * 
  * ------------------------------------------------------------------------ *
  * This library is free software; you can redistribute it and/or modify it  *
  * under the terms of the GNU Lesser General Public License as published by *
  * the Free Software Foundation; either version 2.1 of the License,         *
  * or any later version.                                                    *
  * This library 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.                     *
  * See the GNU Lesser General Public License for more details.              *
  * You should have received a copy of the GNU Lesser General Public License *
  * along with this library; if not, write to the Free Software Foundation,  *
  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA            *
  \**************************************************************************/

  /* $Id$ */

  class auth
  {

    function authenticate($username, $passwd) {
      global $phpgw_info, $phpgw;
      
      $db = $phpgw->db;
      
      $local_debug = false;
     
      if ($local_debug) {
         echo "<b>Debug SQL: uid - $username passwd - $passwd</b>";
      }
      
      $db->query("SELECT * FROM accounts WHERE account_lid = '$username' AND "
               . "account_pwd='" . md5($passwd) . "' AND account_status ='A'",__LINE__,__FILE__);
      $db->next_record();

      if ($db->f("account_lid")) {
        return True;
      } else {
        return False;
      }
    }

    function change_password($old_passwd, $new_passwd) {
      global $phpgw_info, $phpgw;
      $encrypted_passwd = md5($new_passwd);
      $phpgw->db->query("update accounts set account_pwd='" . md5($new_passwd) . "' "
	                  . "where account_lid='" . $phpgw_info["user"]["userid"] . "'",__LINE__,__FILE__);
      $phpgw->db->query("update accounts set account_lastpwd_change='" . time() . "' where account_id='"
   			    	. $phpgw_info["user"]["account_id"] . "'",__LINE__,__FILE__);

      return $encrypted_passwd;
    }
  }
?>