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<?php
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/**
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*
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* @category framework
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* @package backend login
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* @author Ryan Djurovich (2004-2009), WebsiteBaker Project
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* @copyright 2009-2012, WebsiteBaker Org. e.V.
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* @link http://www.websitebaker2.org/
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* @license http://www.gnu.org/licenses/gpl.html
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* @platform WebsiteBaker 2.8.x
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* @requirements PHP 5.2.2 and higher
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* @version $Id: class.login.php 1789 2012-10-14 10:17:38Z Luisehahne $
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* @filesource $HeadURL: svn://isteam.dynxs.de/wb-archiv/branches/2.8.x/wb/framework/class.login.php $
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* @lastmodified $Date: 2012-10-14 12:17:38 +0200 (Sun, 14 Oct 2012) $
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*
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*/
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/* -------------------------------------------------------- */
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// Must include code to stop this file being accessed directly
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if(!defined('WB_PATH')) {
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require_once(dirname(__FILE__).'/globalExceptionHandler.php');
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throw new IllegalFileException();
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}
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/* -------------------------------------------------------- */
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define('LOGIN_CLASS_LOADED', true);
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// Load the other required class files if they are not already loaded
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if(!class_exists('admin', false)){ include(WB_PATH.'/framework/class.admin.php'); }
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// Get WB version
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require_once(ADMIN_PATH.'/interface/version.php');
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class login extends admin {
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public function __construct($config_array) {
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// Get language vars
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global $MESSAGE, $database;
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parent::__construct();
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// Get configuration values
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while(list($key, $value) = each($config_array)) {
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$this->{(strtolower($key))} = $value;
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}
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if(!isset($this->redirect_url)) { $this->redirect_url = ''; }
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// Get the supplied username and password
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if ($this->get_post('username_fieldname') != ''){
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$username_fieldname = $this->get_post('username_fieldname');
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$password_fieldname = $this->get_post('password_fieldname');
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} else {
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$username_fieldname = 'username';
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$password_fieldname = 'password';
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}
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$this->username = htmlspecialchars (strtolower($this->get_post($username_fieldname)), ENT_QUOTES);
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$this->password = $this->get_post($password_fieldname);
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// Figure out if the "remember me" option has been checked
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if($this->get_post('remember') == 'true') {
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$this->remember = $this->get_post('remember');
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} else {
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$this->remember = false;
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}
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// Get the length of the supplied username and password
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if($this->get_post($username_fieldname) != '') {
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$this->username_len = strlen($this->username);
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$this->password_len = strlen($this->password);
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}
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// If the url is blank, set it to the default url
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$this->url = $this->get_post('url');
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if ($this->redirect_url!='') {
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$this->url = $this->redirect_url;
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}
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if(strlen($this->url) < 2) {
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$this->url = $config_array['DEFAULT_URL'];
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}
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if($this->is_authenticated() == true) {
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// User already logged-in, so redirect to default url
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// header("Location: ".$this->url);
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// exit(0);
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$this->send_header($this->url);
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} elseif($this->is_remembered() == true) {
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// User has been "remembered"
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// Get the users password
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// $database = new database();
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$sql = 'SELECT * FROM `'.$this->users_table.'` ';
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$sql .= 'WHERE `user_id`=\''.$this->get_safe_remember_key().'\'';
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$query_details = $database->query($sql);
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$fetch_details = $query_details->fetchRow(MYSQL_ASSOC);
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$this->username = $fetch_details['username'];
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$this->password = $fetch_details['password'];
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// Check if the user exists (authenticate them)
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if($this->authenticate()) {
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// Authentication successful
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// header("Location: ".$this->url);
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// exit(0);
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$this->send_header($this->url);
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} else {
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$this->message = $MESSAGE['LOGIN_AUTHENTICATION_FAILED'];
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$this->increase_attemps();
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}
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} elseif($this->username == '' AND $this->password == '') {
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$this->message = $MESSAGE['LOGIN_BOTH_BLANK'];
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$this->display_login();
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} elseif($this->username == '') {
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$this->message = $MESSAGE['LOGIN_USERNAME_BLANK'];
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$this->increase_attemps();
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} elseif($this->password == '') {
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$this->message = $MESSAGE['LOGIN_PASSWORD_BLANK'];
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$this->increase_attemps();
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} elseif($this->username_len < $config_array['MIN_USERNAME_LEN']) {
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$this->message = $MESSAGE['LOGIN_USERNAME_TOO_SHORT'];
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$this->increase_attemps();
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} elseif($this->password_len < $config_array['MIN_PASSWORD_LEN']) {
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$this->message = $MESSAGE['LOGIN_PASSWORD_TOO_SHORT'];
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$this->increase_attemps();
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} elseif($this->username_len > $config_array['MAX_USERNAME_LEN']) {
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$this->message = $MESSAGE['LOGIN_USERNAME_TOO_LONG'];
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$this->increase_attemps();
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} elseif($this->password_len > $config_array['MAX_PASSWORD_LEN']) {
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$this->message = $MESSAGE['LOGIN_PASSWORD_TOO_LONG'];
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$this->increase_attemps();
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} else {
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// Check if the user exists (authenticate them)
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$this->password = md5($this->password);
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if($this->authenticate()) {
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// Authentication successful
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// echo $this->url;exit();
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// header("Location: ".$this->url);
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// exit(0);
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$this->send_header($this->url);
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} else {
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$this->message = $MESSAGE['LOGIN_AUTHENTICATION_FAILED'];
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$this->increase_attemps();
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}
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}
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}
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// Authenticate the user (check if they exist in the database)
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function authenticate() {
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global $database;
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// Get user information
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// $database = new database();
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// $query = 'SELECT * FROM `'.$this->users_table.'` WHERE MD5(`username`) = "'.md5($this->username).'" AND `password` = "'.$this->password.'" AND `active` = 1';
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$loginname = ( preg_match('/[\;\=\&\|\<\> ]/',$this->username) ? '' : $this->username );
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$sql = 'SELECT * FROM `'.$this->users_table.'` ';
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$sql .= 'WHERE `username`=\''.$loginname.'\' AND `password`=\''.$this->password.'\' AND `active`=1';
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$results = $database->query($sql);
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$results_array = $results->fetchRow(MYSQL_ASSOC);
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$num_rows = $results->numRows();
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if($num_rows == 1) {
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$user_id = $results_array['user_id'];
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$this->user_id = $user_id;
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$_SESSION['USER_ID'] = $user_id;
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$_SESSION['GROUP_ID'] = $results_array['group_id'];
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$_SESSION['GROUPS_ID'] = $results_array['groups_id'];
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$_SESSION['USERNAME'] = $results_array['username'];
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$_SESSION['DISPLAY_NAME'] = $results_array['display_name'];
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$_SESSION['EMAIL'] = $results_array['email'];
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$_SESSION['HOME_FOLDER'] = $results_array['home_folder'];
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// Run remember function if needed
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if($this->remember == true) {
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$this->remember($this->user_id);
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}
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// Set language
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if($results_array['language'] != '') {
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$_SESSION['LANGUAGE'] = $results_array['language'];
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}
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// Set timezone
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if($results_array['timezone'] != '-72000') {
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$_SESSION['TIMEZONE'] = $results_array['timezone'];
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} else {
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// Set a session var so apps can tell user is using default tz
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$_SESSION['USE_DEFAULT_TIMEZONE'] = true;
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}
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// Set date format
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if($results_array['date_format'] != '') {
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$_SESSION['DATE_FORMAT'] = $results_array['date_format'];
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} else {
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// Set a session var so apps can tell user is using default date format
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$_SESSION['USE_DEFAULT_DATE_FORMAT'] = true;
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}
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// Set time format
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if($results_array['time_format'] != '') {
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$_SESSION['TIME_FORMAT'] = $results_array['time_format'];
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} else {
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// Set a session var so apps can tell user is using default time format
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$_SESSION['USE_DEFAULT_TIME_FORMAT'] = true;
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}
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// Get group information
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$_SESSION['SYSTEM_PERMISSIONS'] = array();
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$_SESSION['MODULE_PERMISSIONS'] = array();
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$_SESSION['TEMPLATE_PERMISSIONS'] = array();
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$_SESSION['GROUP_NAME'] = array();
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$aGroupsIds = ((explode(',', $this->get_session('GROUPS_ID'))));
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$bOnlyAdminGroup = $this->ami_group_member('1') && (sizeof($aGroupsIds) == 1);
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$first_group = true;
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foreach ( $aGroupsIds as $cur_group_id)
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{
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$sql = 'SELECT * FROM `'.$this->groups_table.'` WHERE `group_id`=\''.$cur_group_id.'\'';
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if($results = $database->query($sql)) {
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$results_array = $results->fetchRow(MYSQL_ASSOC);
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$_SESSION['GROUP_NAME'][$cur_group_id] = $results_array['name'];
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}
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// Set system permissions
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if( ($results_array['system_permissions'] != '') ) {
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switch ($cur_group_id) :
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case 1:
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if($bOnlyAdminGroup) {
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$_SESSION['SYSTEM_PERMISSIONS'] = array_merge($_SESSION['SYSTEM_PERMISSIONS'], explode(',', $results_array['system_permissions']));
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}
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break;
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default:
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$_SESSION['SYSTEM_PERMISSIONS'] = array_merge($_SESSION['SYSTEM_PERMISSIONS'], explode(',', $results_array['system_permissions']));
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endswitch;
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}
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// Set module permissions
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if( $results_array['module_permissions'] != '' ) {
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if ($first_group) {
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$_SESSION['MODULE_PERMISSIONS'] = explode(',', $results_array['module_permissions']);
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} else {
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$_SESSION['MODULE_PERMISSIONS'] = array_intersect($_SESSION['MODULE_PERMISSIONS'], explode(',', $results_array['module_permissions']));
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}
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}
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// Set template permissions
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if($results_array['template_permissions'] != '') {
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if ($first_group) {
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$_SESSION['TEMPLATE_PERMISSIONS'] = explode(',', $results_array['template_permissions']);
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} else {
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$_SESSION['TEMPLATE_PERMISSIONS'] = array_intersect($_SESSION['TEMPLATE_PERMISSIONS'], explode(',', $results_array['template_permissions']));
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}
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}
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$first_group = false;
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}
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if( $$bOnlyAdminGroup ) {
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$_SESSION['MODULE_PERMISSIONS'] = array();
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$_SESSION['TEMPLATE_PERMISSIONS'] = array();
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}
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// Update the users table with current ip and timestamp
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$get_ts = time();
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$get_ip = $_SERVER['REMOTE_ADDR'];
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$sql = 'UPDATE `'.$this->users_table.'` ';
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$sql .= 'SET `login_when`=\''.$get_ts.'\', `login_ip`=\''.$get_ip.'\' ';
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$sql .= 'WHERE `user_id`=\''.$user_id.'\'';
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$database->query($sql);
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}else {
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$num_rows = 0;
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}
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// Return if the user exists or not
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return $num_rows;
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}
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// Increase the count for login attemps
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function increase_attemps() {
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if(!isset($_SESSION['ATTEMPS'])) {
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$_SESSION['ATTEMPS'] = 0;
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} else {
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$_SESSION['ATTEMPS'] = $this->get_session('ATTEMPS')+1;
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}
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$this->display_login();
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}
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// Function to set a "remembering" cookie for the user - removed
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function remember($user_id) {
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return true;
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}
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268
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269
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// Function to check if a user has been remembered - removed
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270
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function is_remembered()
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{
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return false;
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}
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274
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275
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// Display the login screen
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function display_login() {
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// Get language vars
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global $MESSAGE, $MENU, $TEXT;
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// If attemps more than allowed, warn the user
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280
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if($this->get_session('ATTEMPS') > $this->max_attemps) {
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281
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$this->warn();
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}
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// Show the login form
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284
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if($this->frontend != true) {
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//require_once(WB_PATH.'/include/phplib/template.inc');
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// $template = new Template($this->template_dir);
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287
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// Setup template object, parse vars to it, then parse it
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288
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$template = new Template(dirname($this->correct_theme_source($this->template_file)));
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289
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$template->set_file('page', $this->template_file);
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290
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$template->set_block('page', 'mainBlock', 'main');
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291
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if($this->remember_me_option != true) {
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292
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$template->set_var('DISPLAY_REMEMBER_ME', 'display: none;');
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} else {
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294
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$template->set_var('DISPLAY_REMEMBER_ME', '');
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295
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}
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296
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$template->set_var(array(
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'ACTION_URL' => $this->login_url,
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'ATTEMPS' => $this->get_session('ATTEMPS'),
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'USERNAME' => $this->username,
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'USERNAME_FIELDNAME' => $this->username_fieldname,
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'PASSWORD_FIELDNAME' => $this->password_fieldname,
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'MESSAGE' => $this->message,
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'WEBSITE_TITLE' => WEBSITE_TITLE,
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'TEXT_ADMINISTRATION' => $TEXT['ADMINISTRATION'],
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'INTERFACE_DIR_URL' => ADMIN_URL.'/interface',
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'MAX_USERNAME_LEN' => $this->max_username_len,
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'MAX_PASSWORD_LEN' => $this->max_password_len,
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'ADMIN_URL' => ADMIN_URL,
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'WB_URL' => WB_URL,
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'URL_VIEW' => WB_URL,
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'THEME_URL' => THEME_URL,
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'VERSION' => VERSION,
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'SP' => (defined('SP') ? SP : ''),
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'REVISION' => REVISION,
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'LANGUAGE' => strtolower(LANGUAGE),
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'FORGOTTEN_DETAILS_APP' => $this->forgotten_details_app,
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'TEXT_FORGOTTEN_DETAILS' => $TEXT['FORGOTTEN_DETAILS'],
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'TEXT_USERNAME' => $TEXT['USERNAME'],
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'TEXT_PASSWORD' => $TEXT['PASSWORD'],
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'TEXT_REMEMBER_ME' => $TEXT['REMEMBER_ME'],
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'TEXT_LOGIN' => $TEXT['LOGIN'],
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'TITLE_LOGOUT' => $MENU['LOGIN'],
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'TEXT_RESET' => $TEXT['RESET'],
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'TEXT_HOME' => $TEXT['HOME'],
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'TITLE_VIEW' => $TEXT['WEBSITE'],
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'PAGES_DIRECTORY' => PAGES_DIRECTORY,
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'SECTION_NAME' => $MENU['LOGIN'],
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'SECTION_LOGIN' => $MENU['LOGIN'],
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329
|
'LOGIN_DISPLAY_HIDDEN' => !$this->is_authenticated() ? 'hidden' : '',
|
|
330
|
'LOGIN_DISPLAY_NONE' => !$this->is_authenticated() ? 'none' : '',
|
|
331
|
'LOGIN_LINK' => $_SERVER['SCRIPT_NAME'],
|
|
332
|
'LOGIN_ICON' => 'login',
|
|
333
|
'START_ICON' => 'blank',
|
|
334
|
'URL_HELP' => 'http://www.websitebaker.org/',
|
|
335
|
)
|
|
336
|
);
|
|
337
|
if(defined('DEFAULT_CHARSET')) {
|
|
338
|
$charset=DEFAULT_CHARSET;
|
|
339
|
} else {
|
|
340
|
$charset='utf-8';
|
|
341
|
}
|
|
342
|
|
|
343
|
$template->set_var('CHARSET', $charset);
|
|
344
|
|
|
345
|
$template->parse('main', 'mainBlock', false);
|
|
346
|
$template->pparse('output', 'page');
|
|
347
|
}
|
|
348
|
}
|
|
349
|
|
|
350
|
// sanities the REMEMBER_KEY cookie to avoid SQL injection
|
|
351
|
function get_safe_remember_key() {
|
|
352
|
if (!((strlen($_COOKIE['REMEMBER_KEY']) == 23) && (substr($_COOKIE['REMEMBER_KEY'], 11, 1) == '_'))) return '';
|
|
353
|
// create a clean cookie (XXXXXXXXXXX_YYYYYYYYYYY) where X:= numeric, Y:= hash
|
|
354
|
$clean_cookie = sprintf('%011d', (int) substr($_COOKIE['REMEMBER_KEY'], 0, 11)) . substr($_COOKIE['REMEMBER_KEY'], 11);
|
|
355
|
return ($clean_cookie == $_COOKIE['REMEMBER_KEY']) ? $this->add_slashes($clean_cookie) : '';
|
|
356
|
}
|
|
357
|
|
|
358
|
// Warn user that they have had to many login attemps
|
|
359
|
function warn() {
|
|
360
|
// header('Location: '.$this->warning_url);
|
|
361
|
$this->send_header($this->warning_url);
|
|
362
|
exit(0);
|
|
363
|
}
|
|
364
|
|
|
365
|
}
|