forked from extern/egroupware
191 lines
6.9 KiB
PHP
191 lines
6.9 KiB
PHP
<?php
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/**************************************************************************\
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* eGroupWare API - Auth from SQL *
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* This file written by Dan Kuykendall <seek3r@phpgroupware.org> *
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* and Joseph Engo <jengo@phpgroupware.org> *
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* Encryption types other than md5() added by *
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* Miles Lott <milos@groupwhere.org> based on code from *
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* http://www.thomas-alfeld.de/frank/ *
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* massive code cleanup and *
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* added password migration by *
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* Cornelius Weiss <egw@von-und-zu-weiss.de *
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* Authentication based on SQL table *
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* Copyright (C) 2000, 2001 Dan Kuykendall *
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* ------------------------------------------------------------------------ *
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* This library is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as published by *
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* the Free Software Foundation; either version 2.1 of the License, *
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* or any later version. *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
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* See the GNU Lesser General Public License for more details. *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this library; if not, write to the Free Software Foundation, *
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
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\**************************************************************************/
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/* $Id$ */
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class auth_
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{
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var $db = '';
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var $previous_login = -1;
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function auth_()
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{
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copyobj($GLOBALS['egw']->db,$this->db);
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$this->type = @$GLOBALS['egw_info']['server']['sql_encryption_type']
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? strtolower($GLOBALS['egw_info']['server']['sql_encryption_type'])
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: 'md5';
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}
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/*!
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@function authenticate
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@abstract password authentication against password stored in sql datababse
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@param $username username of account to authenticate
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@param $passwd corresponding password
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@param $passwd_type 'text' for cleartext passwords
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*/
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function authenticate($username, $passwd, $passwd_type)
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{
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/* normal web form login */
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if($passwd_type == 'text')
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{
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$this->db->query("SELECT account_lid,account_pwd,account_lastlogin FROM phpgw_accounts WHERE account_lid = '$username' AND "
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. " account_type='u' AND "
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. " account_status ='A'",__LINE__,__FILE__);
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$this->db->next_record();
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if($GLOBALS['egw_info']['server']['case_sensitive_username'] == true)
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{
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if($this->db->f('account_lid') != $username) return false;
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}
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if(!$this->db->f('account_pwd')) return false;
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if(!$this->compare_password($passwd,$this->db->f('account_pwd'),$this->type,strtolower($username)))
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{
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// do we have to migrate an old password ?
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if($GLOBALS['egw_info']['server']['pwd_migration_allowed'])
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{
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if(!isset($GLOBALS['egw_info']['server']['pwd_migration_types'])) return false;
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$allowed_types = explode(',', $GLOBALS['egw_info']['server']['pwd_migration_types']);
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foreach($allowed_types as $num => $type)
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{
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if($this->compare_password($passwd,$this->db->f('account_pwd'),$type,strtolower($username)))
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{
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$account_id = $GLOBALS['egw_info']['user']['account_id'];
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$encrypted_passwd = $this->encrypt_sql($passwd);
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$this->_update_passwd($encrypted_passwd,$passwd,$account_id,false,__FILE__);
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break;
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}
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return false;
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}
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}
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else
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{
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return false;
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}
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}
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/* if this point is reached, auth was successfull */
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$this->previous_login = $this->db->f('account_lastlogin');
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return true;
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}
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/* Auth via crypted password. NOTE: mail needs cleartext password to authenticate against mailserver! */
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else
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{
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$this->db->query("SELECT * FROM phpgw_accounts WHERE account_lid = '$username' AND "
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. "account_pwd='" . $passwd . "' AND account_status ='A'",__LINE__,__FILE__);
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$this->db->next_record();
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if($GLOBALS['egw_info']['server']['case_sensitive_username'] == true)
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{
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if($this->db->f('account_lid') != $username)
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{
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return false;
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}
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}
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if($this->db->f('account_lid'))
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{
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$this->previous_login = $this->db->f('account_lastlogin');
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return True;
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}
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else
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{
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return False;
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}
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}
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}
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/*!
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@function change_password
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@abstract changes password in sql datababse
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@param $old_passwd must be cleartext
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@param $new_passwd must be cleartext
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@param $account_id account id of user whose passwd should be changed
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*/
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function change_password($old_passwd, $new_passwd, $account_id = '')
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{
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$admin = True;
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// Don't allow password changes for other accounts when using XML-RPC
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if(!$account_id || $GLOBALS['egw_info']['flags']['currentapp'] == 'login')
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{
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$admin = False;
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$account_id = $GLOBALS['egw_info']['user']['account_id'];
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}
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$this->db->query("SELECT account_pwd FROM phpgw_accounts WHERE account_id = " . (int)$account_id
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. " AND " // . " account_type='u' AND "
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. " account_status ='A'",__LINE__,__FILE__);
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$this->db->next_record();
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if(!$this->db->f('account_pwd')) return false;
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/* Check the old_passwd to make sure this is legal */
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if(!$admin)
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{
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if(!$this->compare_password($old_passwd,$this->db->f('account_pwd'),$this->type,strtolower($username)))
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{
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return false;
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}
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}
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/* old password ok, or admin called the function from the admin application (no old passwd available).*/
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$encrypted_passwd = $this->encrypt_sql($new_passwd);
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return $this->_update_passwd($encrypted_passwd,$new_passwd,$account_id,$admin,__FILE__);
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}
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function _update_passwd($encrypted_passwd,$new_passwd,$account_id,$admin=False,$file='')
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{
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/* This should only be called from this file */
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if($file != EGW_API_INC . SEP . 'class.auth_sql.inc.php')
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{
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return False;
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}
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$this->db->query("UPDATE phpgw_accounts SET account_pwd='" . $encrypted_passwd . "',"
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. "account_lastpwd_change='" . time()
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. "' WHERE account_id=" . (int)$account_id,__LINE__,__FILE__);
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$this->db->next_record();
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if($this->db->affected_rows())
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{
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if(!$admin)
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{
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$GLOBALS['egw']->session->appsession('password','phpgwapi',$new_passwd);
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}
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return $encrypted_passwd;
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}
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else
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{
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return False;
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}
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}
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function update_lastlogin($account_id, $ip)
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{
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$GLOBALS['egw']->db->query("UPDATE phpgw_accounts SET account_lastloginfrom='"
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. "$ip', account_lastlogin='" . time()
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. "' WHERE account_id=" . (int)$account_id,__LINE__,__FILE__);
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}
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}
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?>
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