egroupware/phpgwapi/inc/class.auth_sql.inc.php

188 lines
6.9 KiB
PHP

<?php
/**************************************************************************\
* eGroupWare API - Auth from SQL *
* This file written by Dan Kuykendall <seek3r@phpgroupware.org> *
* and Joseph Engo <jengo@phpgroupware.org> *
* Encryption types other than md5() added by *
* Miles Lott <milos@groupwhere.org> based on code from *
* http://www.thomas-alfeld.de/frank/ *
* massive code cleanup and *
* added password migration by *
* Cornelius Weiss <egw@von-und-zu-weiss.de *
* Authentication based on SQL table *
* Copyright (C) 2000, 2001 Dan Kuykendall *
* ------------------------------------------------------------------------ *
* 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_
{
var $db = '';
var $previous_login = -1;
function auth_()
{
copyobj($GLOBALS['egw']->db,$this->db);
$this->type = @$GLOBALS['egw_info']['server']['sql_encryption_type']
? strtolower($GLOBALS['egw_info']['server']['sql_encryption_type'])
: 'md5';
}
/*!
@function authenticate
@abstract password authentication against password stored in sql datababse
@param $username username of account to authenticate
@param $passwd corresponding password
@param $passwd_type 'text' for cleartext passwords
*/
function authenticate($username, $passwd, $passwd_type)
{
/* normal web form login */
if($passwd_type == 'text')
{
$this->db->query("SELECT account_lid,account_pwd,account_lastlogin FROM phpgw_accounts WHERE account_lid = '$username' AND "
. " account_type='u' AND "
. " account_status ='A'",__LINE__,__FILE__);
$this->db->next_record();
if($GLOBALS['egw_info']['server']['case_sensitive_username'] == true)
{
if($this->db->f('account_lid') != $username) return false;
}
if(!$this->db->f('account_pwd')) return false;
if(!$this->compare_password($passwd,$this->db->f('account_pwd'),$this->type,strtolower($username)))
{
// do we have to migrate an old password ?
if($GLOBALS['egw_info']['server']['pwd_migration_allowed'])
{
if(!isset($GLOBALS['egw_info']['server']['pwd_migration_types'])) return false;
$allowed_types = explode(',', $GLOBALS['egw_info']['server']['pwd_migration_types']);
foreach($allowed_types as $num => $type)
{
if($this->compare_password($passwd,$this->db->f('account_pwd'),$type,strtolower($username)))
{
$account_id = $GLOBALS['egw_info']['user']['account_id'];
$encrypted_passwd = $this->encrypt_sql($passwd);
$this->_update_passwd($encrypted_passwd,$passwd,$account_id,false,__FILE__);
break;
}
return false;
}
}
else
{
return false;
}
}
/* if this point is reached, auth was successfull */
$this->previous_login = $this->db->f('account_lastlogin');
return true;
}
/* Auth via crypted password. NOTE: mail needs cleartext password to authenticate against mailserver! */
else
{
$this->db->query("SELECT * FROM phpgw_accounts WHERE account_lid = '$username' AND "
. "account_pwd='" . $passwd . "' AND account_status ='A'",__LINE__,__FILE__);
$this->db->next_record();
if($GLOBALS['egw_info']['server']['case_sensitive_username'] == true)
{
if($this->db->f('account_lid') != $username)
{
return false;
}
}
if($this->db->f('account_lid'))
{
$this->previous_login = $this->db->f('account_lastlogin');
return True;
}
else
{
return False;
}
}
}
/*!
@function change_password
@abstract changes password in sql datababse
@param $old_passwd must be cleartext
@param $new_passwd must be cleartext
@param $account_id account id of user whose passwd should be changed
*/
function change_password($old_passwd, $new_passwd, $account_id = '')
{
$admin = True;
// Don't allow password changes for other accounts when using XML-RPC
if(!$account_id || $GLOBALS['egw_info']['flags']['currentapp'] == 'login')
{
$admin = False;
$account_id = $GLOBALS['egw_info']['user']['account_id'];
}
$this->db->query("SELECT account_pwd FROM phpgw_accounts WHERE account_id = '" . (int)$account_id
. "' AND " // . " account_type='u' AND "
. " account_status ='A'",__LINE__,__FILE__);
$this->db->next_record();
if(!$this->db->f('account_pwd')) return false;
/* Check the old_passwd to make sure this is legal */
if(!$admin)
{
if(!$this->compare_password($old_passwd,$this->db->f('account_pwd'),$this->type,strtolower($username))) return false;
}
/* old password ok, or admin called the function from the admin application (no old passwd available).*/
$encrypted_passwd = $this->encrypt_sql($new_passwd);
return $this->_update_passwd($encrypted_passwd,$new_passwd,$account_id,$admin,__FILE__);
}
function _update_passwd($encrypted_passwd,$new_passwd,$account_id,$admin=False,$file='')
{
/* This should only be called from this file */
if($file != PHPGW_API_INC . SEP . 'class.auth_sql.inc.php')
{
return False;
}
$this->db->query("UPDATE phpgw_accounts SET account_pwd='" . $encrypted_passwd . "',"
. "account_lastpwd_change='" . time()
. "' WHERE account_id=" . (int)$account_id,__LINE__,__FILE__);
$this->db->next_record();
if($this->db->affected_rows())
{
if(!$admin)
{
$GLOBALS['egw']->session->appsession('password','phpgwapi',$new_passwd);
}
return $encrypted_passwd;
}
else
{
return False;
}
}
function update_lastlogin($account_id, $ip)
{
$GLOBALS['egw']->db->query("UPDATE phpgw_accounts SET account_lastloginfrom='"
. "$ip', account_lastlogin='" . time()
. "' WHERE account_id='$account_id'",__LINE__,__FILE__);
}
}
?>