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1367
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Luisehahne
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<?php
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/**
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*
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1529
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Luisehahne
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* @category framework
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* @package backend login
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1782
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Luisehahne
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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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1367
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Luisehahne
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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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1374
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Luisehahne
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* @requirements PHP 5.2.2 and higher
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1367
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Luisehahne
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* @version $Id$
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* @filesource $HeadURL$
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* @lastmodified $Date$
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*
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*/
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define('LOGIN_CLASS_LOADED', true);
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// Get WB version
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require_once(ADMIN_PATH.'/interface/version.php');
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2101
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darkviper
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class Login extends admin {
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1367
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Luisehahne
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2125
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darkviper
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const PASS_CHARS = '\w!#$%&*+\-.:=?@\|';
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const USER_CHARS = 'a-z0-9&\-.=@_';
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1833
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Luisehahne
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2125
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darkviper
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protected $oReg = null;
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protected $oDb = null;
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protected $oTrans = null;
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protected $message = '';
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1833
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Luisehahne
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2125
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darkviper
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public function __construct($config_array)
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{
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$this->oReg = WbAdaptor::getInstance();
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$this->oDb = $this->oReg->Db;
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$this->oTrans = $this->oReg->Trans;
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1833
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Luisehahne
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2125
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darkviper
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parent::__construct();
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// Get configuration values
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while(list($key, $value) = each($config_array)) {
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$this->{(strtolower($key))} = $value;
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}
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// calculate redirect URL
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if(!isset($this->redirect_url)) { $this->redirect_url = ''; }
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$aServerUrl = $this->mb_parse_url($this->oReg->AppUrl);
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$sServerUrl = $_SERVER['SERVER_NAME'];
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$sServerScheme =
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isset($_SERVER['REQUEST_SCHEME'])
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? $_SERVER['REQUEST_SCHEME']
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: isset($aServerUrl['scheme']) ? $aServerUrl['scheme'] : ' http';
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$sServerPath = $_SERVER['SCRIPT_NAME'];
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// If the url is blank, set it to the default url
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$this->url = $this->get_post('url');
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if (preg_match('/%0d|%0a|\s/i', $this->url)) {
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throw new Exception('Warning: possible intruder detected on login');
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}
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1834
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Luisehahne
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$aUrl = $this->mb_parse_url( $this->url );
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2125
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darkviper
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$this->url =
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isset($aRedirecthUrl['host']) &&($sServerUrl == $aUrl['host'])
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? $this->url
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: $this->oReg->AcpUrl.'start/index.php';
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if ($this->redirect_url!='') {
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1834
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Luisehahne
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$aRedirecthUrl = $this->mb_parse_url( $this->redirect_url );
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2125
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darkviper
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$this->redirect_url =
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isset($aRedirecthUrl['host']) &&($sServerUrl==$aRedirecthUrl['host'])
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? $this->redirect_url
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: $sServerScheme.'://'.$sServerUrl;
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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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1834
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Luisehahne
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$aDefaultUrl = $this->mb_parse_url( $this->default_url );
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2125
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darkviper
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$this->default_url =
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isset($aDefaultUrl['host']) &&($sServerUrl==$aDefaultUrl['host'])
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? $this->default_url
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: $sServerScheme.'://'.$sServerUrl;
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$this->url = $this->default_url;
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}
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// get username & password and validate it
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$username_fieldname = (string)$this->get_post('username_fieldname');
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$username_fieldname = (preg_match('/^_?[a-z][\w]+$/i', $username_fieldname) ? $username_fieldname : 'username');
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$sUsername = strtolower(trim((string)$this->get_post($username_fieldname)));
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$this->username = (preg_match(
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'/^['.self::USER_CHARS.']{'.$this->min_username_len.','.$this->max_username_len.'}$/is',
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$sUsername
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) ? $sUsername : '');
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$password_fieldname = (string)$this->get_post('password_fieldname');
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$password_fieldname = (preg_match('/^_?[a-z][\w]+$/i', $password_fieldname) ? $password_fieldname : 'password');
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1833
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Luisehahne
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2125
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darkviper
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if ($this->username) {
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/** @TODO implement crypting */
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$this->password = md5(trim((string)$this->get_post($password_fieldname)));
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// Figure out if the "remember me" option has been checked
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$this->remember = (@$_POST['remember'] == 'true' ? true : false);
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// try to authenticate
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$bSuccess = false;
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if (!($bSuccess = $this->is_authenticated())) {
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if ($this->is_remembered()) {
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$sql = 'SELECT * FROM `'.$this->oDb->TablePrefix.'users` '
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. 'WHERE `user_id`='.$this->get_safe_remember_key();
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if (($oUsers = $this->oDb->doQuery($sql))) {
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if (($aUser = $oUsers->fetchArray())) {
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$this->username = $aUser['username'];
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$this->password = $aUser['password'];
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// Check if the user exists (authenticate them)
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$bSuccess = $this->authenticate();
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}
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}
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} else {
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// Check if the user exists (authenticate them)
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$bSuccess = $this->authenticate();
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}
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}
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if ($bSuccess) {
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// Authentication successful
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$this->send_header($this->url);
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} else {
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$this->message = $this->oTrans->MESSAGE_LOGIN_AUTHENTICATION_FAILED;
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$this->increase_attemps();
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}
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} else {
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$this->display_login();
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}
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}
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1367
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Luisehahne
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2125
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darkviper
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// Authenticate the user (check if they exist in the database)
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function authenticate()
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{
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// Get user information
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$loginname = ( preg_match('/^['.self::USER_CHARS.']+$/s',$this->username) ? $this->username : '0');
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$aSettings = array();
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$aSettings['SYSTEM_PERMISSIONS'] = array();
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$aSettings['MODULE_PERMISSIONS'] = array();
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$aSettings['TEMPLATE_PERMISSIONS'] = array();
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$bRetval = false;
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1367
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Luisehahne
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2125
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darkviper
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$sql = 'SELECT * FROM `'.$this->oDb->TablePrefix.'users` '
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. 'WHERE `username`=\''.$this->oDb->escapeString($loginname).'\'';
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if (($oUser = $this->oDb->doQuery($sql))) {
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if (($aUser = $oUser->fetchArray())) {
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if (
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$aUser['password'] == $this->password &&
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$aUser['active'] == 1
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) {
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// valide authentcation !!
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$user_id = $aUser['user_id'];
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$this->user_id = $user_id;
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$aSettings['USER_ID'] = $user_id;
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$aSettings['GROUP_ID'] = $aUser['group_id'];
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$aSettings['GROUPS_ID'] = $aUser['groups_id'];
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$aSettings['USERNAME'] = $aUser['username'];
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$aSettings['DISPLAY_NAME'] = $aUser['display_name'];
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$aSettings['EMAIL'] = $aUser['email'];
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$aSettings['HOME_FOLDER'] = $aUser['home_folder'];
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// Run remember function if needed
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if($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($aUser['language'] != '') {
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$aSettings['LANGUAGE'] = $aUser['language'];
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}
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// Set timezone
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if($aUser['timezone'] != '-72000') {
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$aSettings['TIMEZONE'] = $aUser['timezone'];
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} else {
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// Set a session var so apps can tell user is using default tz
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$aSettings['USE_DEFAULT_TIMEZONE'] = true;
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}
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// Set date format
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if($aUser['date_format'] != '') {
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$aSettings['DATE_FORMAT'] = $aUser['date_format'];
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} else {
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// Set a session var so apps can tell user is using default date format
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$aSettings['USE_DEFAULT_DATE_FORMAT'] = true;
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}
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// Set time format
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if($aUser['time_format'] != '') {
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$aSettings['TIME_FORMAT'] = $aUser['time_format'];
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} else {
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// Set a session var so apps can tell user is using default time format
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$aSettings['USE_DEFAULT_TIME_FORMAT'] = true;
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}
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// Get group information
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$aSettings['GROUP_NAME'] = array();
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$bOnlyAdminGroup = $this->ami_group_member('1') && (sizeof($aGroupsIds) == 1);
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$sql = 'SELECT * FROM `'.$this->oDb->TablePrefix.'groups` '
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. 'WHERE `group_id` IN (\''.$aUser['groups_id'].',0\') '
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. 'ORDER BY `group_id`';
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if (($oGroups = $this->oDb->doQuery($sql))) {
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while (($aGroup = $oGroups->fetchArray())) {
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$aSettings['GROUP_NAME'][$aGroup['group_id']] = $aGroup['name'];
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// collect system_permissions (additively)
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$aSettings['SYSTEM_PERMISSIONS'] = array_merge(
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$aSettings['SYSTEM_PERMISSIONS'],
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explode(',', $aGroup['system_permissions'])
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);
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// collect module_permission (subtractive)
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if (!sizeof($aSettings['MODULE_PERMISSIONS'])) {
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$aSettings['MODULE_PERMISSIONS'] = explode(',', $aGroup['module_permissions']);
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| 200 |
1790
|
Luisehahne
|
} else {
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| 201 |
2125
|
darkviper
|
$aSettings['MODULE_PERMISSIONS'] = array_intersect(
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$aSettings['MODULE_PERMISSIONS'],
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preg_split('/\s*[,;\|\+]/', $aGroup['module_permissions'], -1, PREG_SPLIT_NO_EMPTY)
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);
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| 205 |
1789
|
Luisehahne
|
}
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| 206 |
2125
|
darkviper
|
// collect template_permission (subtractive)
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| 207 |
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if (!sizeof($aSettings['TEMPLATE_PERMISSIONS'])) {
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$aSettings['TEMPLATE_PERMISSIONS'] = explode(',', $aGroup['template_permissions']);
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| 209 |
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} else {
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| 210 |
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$aSettings['TEMPLATE_PERMISSIONS'] = array_intersect(
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$aSettings['TEMPLATE_PERMISSIONS'],
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preg_split('/\s*[,;\|\+]/', $aGroup['template_permissions'], -1, PREG_SPLIT_NO_EMPTY)
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);
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}
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| 215 |
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}
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| 216 |
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}
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| 217 |
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// Update the users table with current ip and timestamp
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| 218 |
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$sRemoteAddress = @$_SERVER['REMOTE_ADDR'] ?: 'unknown';
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| 219 |
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$sql = 'UPDATE `'.$this->oDb->TablePrefix.'users` '
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| 220 |
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. 'SET `login_when`='.time().', '
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| 221 |
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. '`login_ip`=\''.$sRemoteAddress.'\' '
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| 222 |
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. 'WHERE `user_id`=\''.$user_id.'\'';
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| 223 |
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$this->oDb->doQuery($sql);
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| 224 |
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$bRetval = true;
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| 225 |
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}
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| 226 |
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}
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| 227 |
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}
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| 228 |
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// merge settings into $_SESSION and overwrite older one values
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| 229 |
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$_SESSION = array_merge($_SESSION, $aSettings);
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| 230 |
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// Return if the user exists or not
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| 231 |
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return $bRetval;
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| 232 |
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}
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| 233 |
1790
|
Luisehahne
|
|
| 234 |
2125
|
darkviper
|
// Increase the count for login attemps
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| 235 |
|
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function increase_attemps()
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| 236 |
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{
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| 237 |
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$_SESSION['ATTEMPS'] = (isset($_SESSION['ATTEMPS']) ? $_SESSION['ATTEMPS']++ : 0);
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| 238 |
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$this->display_login();
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| 239 |
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}
|
| 240 |
1789
|
Luisehahne
|
|
| 241 |
2125
|
darkviper
|
// Function to set a "remembering" cookie for the user - removed
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| 242 |
|
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function remember($user_id)
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| 243 |
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{
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| 244 |
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return true;
|
| 245 |
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}
|
| 246 |
1367
|
Luisehahne
|
|
| 247 |
2125
|
darkviper
|
// Function to check if a user has been remembered - removed
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| 248 |
|
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function is_remembered()
|
| 249 |
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{
|
| 250 |
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return false;
|
| 251 |
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}
|
| 252 |
1782
|
Luisehahne
|
|
| 253 |
2125
|
darkviper
|
// Display the login screen
|
| 254 |
|
|
function display_login()
|
| 255 |
|
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{
|
| 256 |
|
|
// If attemps more than allowed, warn the user
|
| 257 |
|
|
if($this->get_session('ATTEMPS') > $this->max_attemps) {
|
| 258 |
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$this->warn();
|
| 259 |
|
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}
|
| 260 |
|
|
// Show the login form
|
| 261 |
|
|
if($this->frontend != true) {
|
| 262 |
|
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$template = new Template(dirname($this->correct_theme_source($this->template_file)));
|
| 263 |
|
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$template->set_file('page', $this->template_file);
|
| 264 |
|
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$template->set_block('page', 'mainBlock', 'main');
|
| 265 |
|
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$template->set_var('DISPLAY_REMEMBER_ME', ($this->remember_me_option ? '' : 'display: none;'));
|
| 266 |
|
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$template->set_var($this->oTrans->getLangArray());
|
| 267 |
|
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$template->set_var(
|
| 268 |
|
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array(
|
| 269 |
|
|
'TITLE_LOGOUT' => $this->oTrans->MENU_LOGIN,
|
| 270 |
|
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'TITLE_VIEW' => $this->oTrans->TEXT_WEBSITE,
|
| 271 |
|
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'SECTION_NAME' => $this->oTrans->MENU_LOGIN,
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| 272 |
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'SECTION_LOGIN' => $this->oTrans->MENU_LOGIN,
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| 273 |
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'ACTION_URL' => $this->login_url,
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| 274 |
|
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'URL' => $this->default_url,
|
| 275 |
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'ATTEMPS' => $this->get_session('ATTEMPS'),
|
| 276 |
|
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'USERNAME' => $this->username,
|
| 277 |
|
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'USERNAME_FIELDNAME' => $this->username_fieldname,
|
| 278 |
|
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'PASSWORD_FIELDNAME' => $this->password_fieldname,
|
| 279 |
|
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'MESSAGE' => $this->message,
|
| 280 |
|
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'WEBSITE_TITLE' => $this->oReg->WebsiteTitle,
|
| 281 |
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'INTERFACE_DIR_URL' => $this->oReg->AcpUrl.'interface',
|
| 282 |
|
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'MAX_USERNAME_LEN' => $this->max_username_len,
|
| 283 |
|
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'MAX_PASSWORD_LEN' => $this->max_password_len,
|
| 284 |
|
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'ADMIN_URL' => $this->oReg->AcpUrl,
|
| 285 |
|
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'WB_URL' => $this->oReg->AppUrl,
|
| 286 |
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'URL_VIEW' => $this->oReg->AppUrl,
|
| 287 |
|
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'THEME_URL' => $this->oReg->ThemeUrl,
|
| 288 |
|
|
'VERSION' => $this->oReg->Version,
|
| 289 |
|
|
'SP' => (isset($this->oReg->Sp) ? $this->oReg->Sp : ''),
|
| 290 |
|
|
'REVISION' => $this->oReg->Revision,
|
| 291 |
|
|
'LANGUAGE' => strtolower($this->oReg->Language),
|
| 292 |
|
|
'FORGOTTEN_DETAILS_APP' => $this->forgotten_details_app,
|
| 293 |
|
|
'PAGES_DIRECTORY' => $this->oReg->PagesDir,
|
| 294 |
|
|
'LOGIN_DISPLAY_HIDDEN' => !$this->is_authenticated() ? 'hidden' : '',
|
| 295 |
|
|
'LOGIN_DISPLAY_NONE' => !$this->is_authenticated() ? 'none' : '',
|
| 296 |
|
|
'LOGIN_LINK' => $_SERVER['SCRIPT_NAME'],
|
| 297 |
|
|
'LOGIN_ICON' => 'login',
|
| 298 |
|
|
'START_ICON' => 'blank',
|
| 299 |
|
|
'URL_HELP' => 'http://wiki.websitebaker.org/',
|
| 300 |
|
|
)
|
| 301 |
|
|
);
|
| 302 |
|
|
$template->set_var('CHARSET', (isset($this->oReg->DefaultCharset) ? $this->oReg->DefaultCharset : 'utf-8'));
|
| 303 |
|
|
$template->parse('main', 'mainBlock', false);
|
| 304 |
|
|
$template->pparse('output', 'page');
|
| 305 |
|
|
}
|
| 306 |
|
|
}
|
| 307 |
|
|
// sanities the REMEMBER_KEY cookie to avoid SQL injection
|
| 308 |
|
|
function get_safe_remember_key()
|
| 309 |
|
|
{
|
| 310 |
|
|
$iMatches = 0;
|
| 311 |
|
|
if (isset($_COOKIE['REMEMBER_KEY'])) {
|
| 312 |
|
|
$sRetval = preg_replace(
|
| 313 |
|
|
'/^([0-9]{11})_([0-9a-f]{11})$/i',
|
| 314 |
|
|
'\1\2',
|
| 315 |
|
|
$_COOKIE['REMEMBER_KEY'], -1, $iMatches
|
| 316 |
|
|
);
|
| 317 |
|
|
}
|
| 318 |
|
|
return ($iMatches ? $sRetval : '');
|
| 319 |
|
|
}
|
| 320 |
|
|
// Warn user that they have had to many login attemps
|
| 321 |
|
|
function warn()
|
| 322 |
|
|
{
|
| 323 |
|
|
$this->send_header($this->warning_url);
|
| 324 |
|
|
exit;
|
| 325 |
|
|
}
|
| 326 |
1367
|
Luisehahne
|
|
| 327 |
|
|
}
|