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khosb/modules/core/login.inc.php
2011-05-03 09:49:04 +10:00

209 lines
6.1 KiB
PHP

<?php
/**
* AgileBill - Open Billing Software
*
* This body of work is free software; you can redistribute it and/or
* modify it under the terms of the Open AgileBill License
* License as published at http://www.agileco.com/agilebill/license1-4.txt
*
* Originally authored by Tony Landis, AgileBill LLC
*
* Recent modifications by Deon George
*
* @author Deon George <deonATleenooksDOTnet>
* @copyright 2009 Deon George
* @link http://osb.leenooks.net
*
* @link http://www.agileco.com/
* @copyright 2004-2008 Agileco, LLC.
* @license http://www.agileco.com/agilebill/license1-4.txt
* @author Tony Landis <tony@agileco.com>
* @package AgileBill
* @subpackage Core:Login
*/
/**
* The main AgileBill Login Class
*
* @package AgileBill
* @subpackage Core:Login
*/
class CORE_login_handler {
/**
* Login to OSB
*/
public function login($VAR,$md5=true) {
global $C_translate, $C_debug;
$db = &DB();
# check that the username/password are both set
if ((! $VAR['_username']) || (! $VAR['_password'])) {
$C_debug->alert($C_translate->translate('login_enter_both','',''));
return false;
}
$pass = $md5 ? md5($VAR['_password']) : $VAR['_password'];
# Check the database for a match
$rs = $db->Execute(
sqlSelect('account','id,status,username,password,date_expire',
array('where'=>array('username'=>$VAR['_username'],'password'=>$pass))));
if (! $rs || ! $rs->RecordCount() == 1) {
$C_debug->alert($C_translate->translate('login_un_pw_failed','',''));
# Log as a failed login
$this->lock_check($VAR,0,$VAR['_username']);
return false;
}
# Get the account id
$id = $rs->fields['id'];
# Check that their is no lock on this account id or IP address:
if ($this->locked($id)) {
$C_debug->alert($C_translate->translate('login_locked','',''));
return;
}
if ($rs->fields['date_expire'] == 0 || ! $rs->fields['date_expire'])
$date_expire = time()+99;
else
$date_expire = $rs->fields['date_expire'];
# Check that it is an active account
if ($rs->fields['status'] != 1 || $date_expire <= time()) {
# Inactive account
$C_debug->alert($C_translate->translate('login_inactive','',''));
# Log as failed login
$this->lock_check($VAR,0,$id);
return;
} else {
# Active account - check for password sharing if login_share module is installed
include_once(PATH_CORE.'list.inc.php');
$C_list = new CORE_list;
if ($C_list->is_installed('login_share')) {
include_once(PATH_MODULES.'login_share/login_share.inc.php');
$share = new login_share;
if (! $share->login($id,$VAR['_username'])) {
# Shared account alert
$C_debug->alert($C_translate->translate('shared_account','login_share',''));
# Log as failed login
$this->lock_check($VAR,0,$id);
return;
}
}
}
# Set the expiry date of the login session
$date_expire = time()+(SESSION_EXPIRE*60);
# Update the DB
$rs = $db->Execute(
sqlUpdate($db,'session',array('ip'=>USER_IP,'date_expire'=>$date_expire,'logged'=>1,'account_id'=>$id),array('id'=>SESS)));
# Delete any old sessions for this account
$rs = $db->Execute(sqlDelete($db,'session',sprintf('account_id=%s AND id!="%s"',$id,SESS)));
# Return logged in message
$C_debug->alert($C_translate->translate('login_success','',''));
# Get the last successful login:
$rs = $db->Execute(
sqlSelect('login_log','ip,date_orig',array('where'=>array('account_id'=>$id,'status'=>1),'orderby'=>'date_orig DESC','limit'=>1)));
if ($rs && $rs->RecordCount())
$C_debug->alert(
str_replace('%DATE%',
sprintf('<b>%s %s</b>',date(UNIX_DATE_FORMAT,$rs->fields['date_orig']),date(DEFAULT_TIME_FORMAT,$rs->fields['date_orig'])),
str_replace('%IP%',sprintf('<b>%s</b>',$rs->fields['ip']),_('Last successful login was on %DATE% from %IP%'))));
# Log the successful login
$this->lock_check($VAR,1,$id);
}
public function logout($VAR) {
global $C_debug,$C_translate;
$db = &DB();
# Logout the current session by editing the database record
$db->Execute(sqlUpdate($db,'session',array('logged'=>0),array('id'=>SESS)));
# Delete any session caches!
$db->Execute(sqlDelete($db,'session_auth_cache',array('session_id'=>SESS)));
# logout success:
$C_debug->alert($C_translate->translate('logout_success','',''));
}
# @todo this should move to login_lock.inc.php
private function locked($account_id) {
global $C_list;
include_once(PATH_CORE.'list.inc.php');
$C_list = new CORE_list;
if (! $C_list->is_installed('login_lock'))
return false;
$db = &DB();
$rs = $db->Execute(
sqlSelect('login_lock','id',
array('where'=>
sprintf('ip=::%s:: AND date_expire>=%s %s',USER_IP,time(),$account_id ? sprintf('AND account_id=%s',$account_id) : ''))));
if ($rs && $rs->RecordCount())
return true;
else
return false;
}
# @todo this should move to login_lock.inc.php
private function lock_check($VAR,$status,$account_id) {
global $C_list;
include_once(PATH_CORE.'list.inc.php');
$C_list = new CORE_list;
$db = &DB();
# Create the appropriate login attempt record.
$db->Execute(sqlInsert($db,'login_log',array('ip'=>USER_IP,'account_id'=>$account_id,'date_orig'=>time(),'status'=>$status)));
# if this is a successfull login, we can now exit...
if ($status == 1 || ! $C_list->is_installed('login_lock'))
return true;
# Determine the time period to check for login attempts after:
$date_orig = time()-(LOGIN_ATTEMPT_TIME*60);
# Check the database for all the failed login attempts from this IP withing the time period defined in the setup.
$rs = $db->Execute(sqlSelect('login_log','COUNT(id) as id',array('where'=>sprintf('ip=::%s:: AND date_orig>=%s AND status=0',USER_IP,$date_orig))));
# Check that it does not exceed the allowed failed login attempts
if ($rs && $rs->fields['id']>=LOGIN_ATTEMPT_TRY) {
# Get the time this login block will expire:
$date_expire = time()+(LOGIN_ATTEMPT_LOCK*60);
# Delete all old blocks for this ip
$result = $db->Execute(sqlDelete($db,'login_lock',array('ip'=>USER_IP)));
# Create a block on this login
$result = $db->Execute(sqlInsert($db,'login_lock',array('ip'=>USER_IP,'date_orig'=>time(),'date_expire'=>$date_expire)));
}
}
}
?>