<?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_() { $this->db = clone($GLOBALS['egw']->db); $this->db->set_app('phpgwapi'); $this->table = 'egw_accounts'; $this->type = @$GLOBALS['egw_info']['server']['sql_encryption_type'] ? strtolower($GLOBALS['egw_info']['server']['sql_encryption_type']) : 'md5'; } /** * password authentication against password stored in sql datababse * * @param string $username username of account to authenticate * @param string $passwd corresponding password * @param string $passwd_type='text' 'text' for cleartext passwords (default) * @return boolean true if successful authenticated, false otherwise */ function authenticate($username, $passwd, $passwd_type='text') { /* normal web form login */ if($passwd_type == 'text') { $this->db->select($this->table,'account_lid,account_pwd,account_lastlogin',array( 'account_lid' => $username, 'account_type' => 'u', 'account_status' => 'A' ),__LINE__,__FILE__); if(!$this->db->next_record() || !$this->db->f('account_pwd') || $GLOBALS['egw_info']['server']['case_sensitive_username'] && $this->db->f('account_lid') != $username) { return false; } if(!$this->compare_password($passwd,$this->db->f('account_pwd'),$this->type,strtolower($username))) { $match = false; // do we have to migrate an old password ? if($GLOBALS['egw_info']['server']['pwd_migration_allowed'] && !empty($GLOBALS['egw_info']['server']['pwd_migration_types'])) { foreach(explode(',', $GLOBALS['egw_info']['server']['pwd_migration_types']) as $type) { if($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); $match = true; break; } } } if (!$match) return false; } } /* Auth via crypted password. NOTE: mail needs cleartext password to authenticate against mailserver! */ else { $this->db->select($this->table,'account_lid,account_lastlogin',array( 'account_lid' => $username, 'account_type' => 'u', 'account_status' => 'A', 'account_pwd' => $passwd, ),__LINE__,__FILE__); if(!$this->db->next_record() || $GLOBALS['egw_info']['server']['case_sensitive_username'] && $this->db->f('account_lid') != $username) { return false; } } // if this point is reached, auth was successfull $this->previous_login = $this->db->f('account_lastlogin'); return true; } /** * changes password in sql datababse * * @param string $old_passwd must be cleartext * @param string $new_passwd must be cleartext * @param int $account_id account id of user whose passwd should be changed * @return boolean true if password successful changed, false otherwise */ function change_password($old_passwd, $new_passwd, $account_id=0) { $admin = True; // Don't allow password changes for other accounts when using XML-RPC if(!$account_id || $GLOBALS['egw_info']['flags']['currentapp'] == 'login') { $admin = False; $account_id = $GLOBALS['egw_info']['user']['account_id']; } $this->db->select($this->table,'account_pwd',array( 'account_id' => $account_id, 'account_type' => 'u', 'account_status' => 'A', ),__LINE__,__FILE__); if(!$this->db->next_record()) return false; // account not found /* Check the old_passwd to make sure this is legal */ if(!$admin && !$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).*/ return $this->_update_passwd($this->encrypt_sql($new_passwd),$new_passwd,$account_id,$admin); } /** * changes password in sql datababse * * @internal * @param string $encrypted_passwd * @param string $new_passwd cleartext * @param int $account_id account id of user whose passwd should be changed * @param boolean $admin=false called by admin, if not update password in the session * @return boolean true if password successful changed, false otherwise */ function _update_passwd($encrypted_passwd,$new_passwd,$account_id,$admin=false) { $this->db->update($this->table,array( 'account_pwd' => $encrypted_passwd, 'account_lastpwd_change' => time(), ),array( 'account_id' => $account_id, ),__LINE__,__FILE__); if(!$this->db->affected_rows()) return false; if(!$admin) { $GLOBALS['egw']->session->appsession('password','phpgwapi',$new_passwd); } return $encrypted_passwd; } }