<?php
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/*
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Copyright (c) 2005, Till Brehm, projektfarm Gmbh
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of ISPConfig nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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//
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class login_index {
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public $status = '';
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private $target = '';
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private $app;
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private $conf;
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public function render() {
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global $app, $conf;
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/* Redirect to page, if login form was NOT send */
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if(count($_POST) == 0) {
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if(isset($_SESSION['s']['user']) && is_array($_SESSION['s']['user']) && is_array($_SESSION['s']['module'])) {
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die('HEADER_REDIRECT:'.$_SESSION['s']['module']['startpage']);
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}
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}
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$app->uses('tpl');
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$app->tpl->newTemplate('form.tpl.htm');
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$error = '';
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$app->load_language_file('web/login/lib/lang/'.$conf["language"].'.lng');
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//* Login Form was send
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if(count($_POST) > 0) {
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//** Check variables
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if(!preg_match("/^[\w\.\-\_]{1,64}$/", $_POST['username'])) $error = $app->lng('user_regex_error');
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if(!preg_match("/^.{1,64}$/i", $_POST['passwort'])) $error = $app->lng('pw_error_length');
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//** iporting variables
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$ip = $app->db->quote(ip2long($_SERVER['REMOTE_ADDR']));
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$username = $app->db->quote($_POST['username']);
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$passwort = $app->db->quote($_POST['passwort']);
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$loginAs = false;
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$time = time();
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if($username != '' && $passwort != '' && $error == '') {
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/*
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* Check, if there is a "login as" instead of a "normal" login
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*/
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if (isset($_SESSION['s']['user']) && $_SESSION['s']['user']['active'] == 1){
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/*
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* only the admin can "login as" so if the user is NOT a admin, we
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* open the startpage (after killing the old session), so the user
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* is logout and has to start again!
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*/
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if ($_SESSION['s']['user']['typ'] != 'admin') {
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/*
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* The actual user is NOT a admin, but maybe the admin
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* has logged in as "normal" user bevore...
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*/
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if (isset($_SESSION['s_old'])&& ($_SESSION['s_old']['user']['typ'] == 'admin')){
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/* The "old" user is admin, so everything is ok */
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}
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else {
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die("You don't have the right to 'login as'!");
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}
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}
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$loginAs = true;
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}
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else {
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/* normal login */
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$loginAs = false;
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}
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//* Check if there are already wrong logins
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$sql = "SELECT * FROM `attempts_login` WHERE `ip`= '{$ip}' AND `login_time` > (NOW() - INTERVAL 1 MINUTE) LIMIT 1";
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$alreadyfailed = $app->db->queryOneRecord($sql);
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//* login to much wrong
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if($alreadyfailed['times'] > 5) {
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$error = $app->lng('error_user_too_many_logins');
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} else {
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if ($loginAs){
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$sql = "SELECT * FROM sys_user WHERE USERNAME = '$username' and PASSWORT = '". $passwort. "'";
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$user = $app->db->queryOneRecord($sql);
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} else {
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$sql = "SELECT * FROM sys_user WHERE USERNAME = '$username'";
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$user = $app->db->queryOneRecord($sql);
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if($user && $user['active'] == 1) {
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$saved_password = stripslashes($user['passwort']);
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if(substr($saved_password,0,3) == '$1$') {
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//* The password is crypt-md5 encrypted
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$salt = '$1$'.substr($saved_password,3,8).'$';
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if(crypt($passwort,$salt) != $saved_password) {
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$user = false;
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}
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} else {
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//* The password is md5 encrypted
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if(md5($passwort) != $saved_password) {
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$user = false;
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}
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}
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} else {
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$user = false;
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}
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}
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if($user) {
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if($user['active'] == 1) {
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// User login right, so attempts can be deleted
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$sql = "DELETE FROM `attempts_login` WHERE `ip`='{$ip}'";
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$app->db->query($sql);
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$user = $app->db->toLower($user);
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if ($loginAs) $oldSession = $_SESSION['s'];
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$_SESSION = array();
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if ($loginAs) $_SESSION['s_old'] = $oldSession; // keep the way back!
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$_SESSION['s']['user'] = $user;
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$_SESSION['s']['user']['theme'] = isset($user['app_theme']) ? $user['app_theme'] : 'default';
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$_SESSION['s']['language'] = $user['language'];
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$_SESSION["s"]['theme'] = $_SESSION['s']['user']['theme'];
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if(is_file($_SESSION['s']['user']['startmodule'].'/lib/module.conf.php')) {
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include_once($_SESSION['s']['user']['startmodule'].'/lib/module.conf.php');
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$_SESSION['s']['module'] = $module;
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}
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$app->plugin->raiseEvent('login',$this);
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/*
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* We need LOGIN_REDIRECT instead of HEADER_REDIRECT to load the
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* new theme, if the logged-in user has another
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*/
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echo 'LOGIN_REDIRECT:'.$_SESSION['s']['module']['startpage'];
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exit;
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} else {
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$error = $app->lng('error_user_blocked');
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}
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} else {
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if(!$alreadyfailed['times'] )
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{
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//* user login the first time wrong
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$sql = "INSERT INTO `attempts_login` (`ip`, `times`, `login_time`) VALUES ('{$ip}', 1, NOW())";
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$app->db->query($sql);
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} elseif($alreadyfailed['times'] >= 1) {
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//* update times wrong
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$sql = "UPDATE `attempts_login` SET `times`=`times`+1, `login_time`=NOW() WHERE `login_time` >= '{$time}' LIMIT 1";
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$app->db->query($sql);
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}
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//* Incorrect login - Username and password incorrect
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$error = $app->lng('error_user_password_incorrect');
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if($app->db->errorMessage != '') $error .= '<br />'.$app->db->errorMessage != '';
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}
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}
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} else {
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//* Username or password empty
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if($error == '') $error = $app->lng('error_user_password_empty');
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}
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}
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if($error != ''){
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$error = '<div class="box box_error"><h1>Error</h1>'.$error.'</div>';
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}
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$app->tpl->setVar('error', $error);
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$app->tpl->setVar('username_txt', $app->lng('username_txt'));
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$app->tpl->setVar('password_txt', $app->lng('password_txt'));
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$app->tpl->setVar('login_button_txt', $app->lng('login_button_txt'));
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$app->tpl->setInclude('content_tpl','login/templates/index.htm');
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$app->tpl_defaults();
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$this->status = 'OK';
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return $app->tpl->grab();
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} // << end function
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} // << end class
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?>
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