WB 2.08.x

if(!defined('REVISION')) define('REVISION', '2100');

if(!class_exists('login', false)){ include(WB_PATH.'/framework/class.login.php'); }

if(!class_exists('frontend', false)){ include(WB_PATH.'/framework/class.frontend.php'); }

<?php

/**

 *

 * @category        framework

 * @package         backend login

 * @author          Ryan Djurovich (2004-2009), WebsiteBaker Project

 * @copyright       2009-2012, WebsiteBaker Org. e.V.

 * @link			http://www.websitebaker2.org/

 * @license         http://www.gnu.org/licenses/gpl.html

 * @platform        WebsiteBaker 2.8.x

 * @requirements    PHP 5.2.2 and higher

 * @version         $Id$

 * @filesource		$HeadURL$

 * @lastmodified    $Date$

 *

 */

/* -------------------------------------------------------- */

// Must include code to stop this file being accessed directly

if(!defined('WB_PATH')) {

	require_once(dirname(__FILE__).'/globalExceptionHandler.php');

	throw new IllegalFileException();

}

/* -------------------------------------------------------- */

define('LOGIN_CLASS_LOADED', true);

// Load the other required class files if they are not already loaded

if(!class_exists('admin', false)){ include(WB_PATH.'/framework/class.admin.php'); }

// Get WB version

require_once(ADMIN_PATH.'/interface/version.php');

class login extends admin {

	public function __construct($config_array) {

		// Get language vars

		global $MESSAGE, $database;

		parent::__construct();

		// Get configuration values

		while(list($key, $value) = each($config_array)) {

			$this->{(strtolower($key))} = $value;

		}

		if(!isset($this->redirect_url)) { $this->redirect_url = ''; }

		// Get the supplied username and password

		if ($this->get_post('username_fieldname') != ''){

			$username_fieldname = $this->get_post('username_fieldname');

			$password_fieldname = $this->get_post('password_fieldname');

		} else {

			$username_fieldname = 'username';

			$password_fieldname = 'password';

		}

        if( is_array($this->get_post($username_fieldname) ) ) {

            $_POST[$username_fieldname]=implode(',',$this->get_post($username_fieldname));            

        }

		$this->username = htmlspecialchars (strtolower( $this->get_post($username_fieldname) ), ENT_QUOTES);

        if( is_array($this->get_post($password_fieldname) ) ) {

            $_POST[$password_fieldname]=implode(',',$this->get_post($password_fieldname));            

        }

		$this->password = $this->get_post($password_fieldname);

		// Figure out if the "remember me" option has been checked

		if($this->get_post('remember') == 'true') {

			$this->remember = $this->get_post('remember');

		} else {

			$this->remember = false;

		}

		// Get the length of the supplied username and password

		if($this->get_post($username_fieldname) != '') {

			$this->username_len = strlen($this->username);

			$this->password_len = strlen($this->password);

		}

		$aServerUrl = $this->mb_parse_url(WB_URL);

        $sServerUrl = $_SERVER['SERVER_NAME'];        

        $sServerScheme = isset($_SERVER['REQUEST_SCHEME']) ? $_SERVER['REQUEST_SCHEME'] : isset($aServerUrl['scheme']) ? $aServerUrl['scheme'] : ' http';        

        $sServerPath = $_SERVER['SCRIPT_NAME'];        

		// If the url is blank, set it to the default url

		$this->url = $this->get_post('url');

        $aUrl = $this->mb_parse_url( $this->url );

        $this->url = isset($aRedirecthUrl['host']) &&($sServerUrl==$aUrl['host']) ? $this->url:ADMIN_URL.'/start/index.php';        

		if ($this->redirect_url!='') {

            $aRedirecthUrl = $this->mb_parse_url( $this->redirect_url );

            $this->redirect_url = isset($aRedirecthUrl['host']) &&($sServerUrl==$aRedirecthUrl['host']) ? $this->redirect_url:$sServerScheme.'://'.$sServerUrl;        

			$this->url = $this->redirect_url;

		}

		if(strlen($this->url) < 2) {

            $aDefaultUrl = $this->mb_parse_url( $this->default_url );

            $this->default_url = isset($aDefaultUrl['host']) &&($sServerUrl==$aDefaultUrl['host']) ? $this->default_url:$sServerScheme.'://'.$sServerUrl;        

			$this->url = $this->default_url;

		}

		if($this->is_authenticated() == true) {

			// User already logged-in, so redirect to default url

				$this->send_header($this->url);

		} elseif($this->is_remembered() == true) {

			// User has been "remembered"

			// Get the users password

			// $database = new database();

			$sql  = 'SELECT * FROM `'.$this->users_table.'` ';

			$sql .= 'WHERE `user_id`=\''.$this->get_safe_remember_key().'\'';

			$query_details = $database->query($sql);

			$fetch_details = $query_details->fetchRow(MYSQL_ASSOC);

			$this->username = $fetch_details['username'];

			$this->password = $fetch_details['password'];

			// Check if the user exists (authenticate them)

			if($this->authenticate()) {

				// Authentication successful

				$this->send_header($this->url);

			} else {

				$this->message = $MESSAGE['LOGIN_AUTHENTICATION_FAILED'];

				$this->increase_attemps();

			}

		} elseif($this->username == '' AND $this->password == '') {

			$this->message = $MESSAGE['LOGIN_BOTH_BLANK'];

			$this->display_login();

		} elseif($this->username == '') {

			$this->message = $MESSAGE['LOGIN_USERNAME_BLANK'];

			$this->increase_attemps();

		} elseif($this->password == '') {

			$this->message = $MESSAGE['LOGIN_PASSWORD_BLANK'];

			$this->increase_attemps();

		} elseif($this->username_len < $config_array['MIN_USERNAME_LEN']) {

			$this->message = $MESSAGE['LOGIN_USERNAME_TOO_SHORT'];

			$this->increase_attemps();

		} elseif($this->password_len < $config_array['MIN_PASSWORD_LEN']) {

			$this->message = $MESSAGE['LOGIN_PASSWORD_TOO_SHORT'];

			$this->increase_attemps();

		} elseif($this->username_len > $config_array['MAX_USERNAME_LEN']) {

			$this->message = $MESSAGE['LOGIN_USERNAME_TOO_LONG'];

			$this->increase_attemps();

		} elseif($this->password_len > $config_array['MAX_PASSWORD_LEN']) {

			$this->message = $MESSAGE['LOGIN_PASSWORD_TOO_LONG'];

			$this->increase_attemps();

		} else {

			// Check if the user exists (authenticate them)

			$this->password = md5($this->password);

			if($this->authenticate()) {

				// Authentication successful

				$this->send_header($this->url);

			} else {

				$this->message = $MESSAGE['LOGIN_AUTHENTICATION_FAILED'];

				$this->increase_attemps();

			}

		}

	}

	// Authenticate the user (check if they exist in the database)

	function authenticate() {

		global $database;

		// Get user information

		// $database = new database();

		// $query = 'SELECT * FROM `'.$this->users_table.'` WHERE MD5(`username`) = "'.md5($this->username).'" AND `password` = "'.$this->password.'" AND `active` = 1';

 		$loginname = ( preg_match('/[\;\=\&\|\<\> ]/',$this->username) ? '' : $this->username );

		$sql  = 'SELECT * FROM `'.$this->users_table.'` ';

		$sql .= 'WHERE `username`=\''.$loginname.'\' AND `password`=\''.$this->password.'\' AND `active`=1';

		$results = $database->query($sql);

		$results_array = $results->fetchRow(MYSQL_ASSOC);

		$num_rows = $results->numRows();

		if($num_rows == 1) {

			$user_id = $results_array['user_id'];

			$this->user_id = $user_id;

			$_SESSION['USER_ID'] = $user_id;

			$_SESSION['GROUP_ID'] = $results_array['group_id'];

			$_SESSION['GROUPS_ID'] = $results_array['groups_id'];

			$_SESSION['USERNAME'] = $results_array['username'];

			$_SESSION['DISPLAY_NAME'] = $results_array['display_name'];

			$_SESSION['EMAIL'] = $results_array['email'];

			$_SESSION['HOME_FOLDER'] = $results_array['home_folder'];

			// Run remember function if needed

			if($this->remember == true) {

				$this->remember($this->user_id);

			}

			// Set language

			if($results_array['language'] != '') {

				$_SESSION['LANGUAGE'] = $results_array['language'];

			}

			// Set timezone

			if($results_array['timezone'] != '-72000') {

				$_SESSION['TIMEZONE'] = $results_array['timezone'];

			} else {

				// Set a session var so apps can tell user is using default tz

				$_SESSION['USE_DEFAULT_TIMEZONE'] = true;

			}

			// Set date format

			if($results_array['date_format'] != '') {

				$_SESSION['DATE_FORMAT'] = $results_array['date_format'];

			} else {

				// Set a session var so apps can tell user is using default date format

				$_SESSION['USE_DEFAULT_DATE_FORMAT'] = true;

			}

			// Set time format

			if($results_array['time_format'] != '') {

				$_SESSION['TIME_FORMAT'] = $results_array['time_format'];

			} else {

				// Set a session var so apps can tell user is using default time format

				$_SESSION['USE_DEFAULT_TIME_FORMAT'] = true;

			}

			// Get group information

			$_SESSION['SYSTEM_PERMISSIONS'] = array();

			$_SESSION['MODULE_PERMISSIONS'] = array();

			$_SESSION['TEMPLATE_PERMISSIONS'] = array();

			$_SESSION['GROUP_NAME'] = array();

            $aGroupsIds = ((explode(',', $this->get_session('GROUPS_ID'))));

            $bOnlyAdminGroup = $this->ami_group_member('1') && (sizeof($aGroupsIds) == 1);

			$first_group = true;

			foreach ( $aGroupsIds  as $cur_group_id)

            {

				$sql = 'SELECT * FROM `'.$this->groups_table.'` WHERE `group_id`=\''.$cur_group_id.'\'';

				if($results = $database->query($sql)) {

    				$results_array = $results->fetchRow(MYSQL_ASSOC);

    				$_SESSION['GROUP_NAME'][$cur_group_id] = $results_array['name'];

				}

				// Set system permissions

				if( ($results_array['system_permissions'] != '') ) {

                    switch ($cur_group_id) :

                        case 1:

                            if( $this->user_id == 1) {

               					$_SESSION['SYSTEM_PERMISSIONS'] = array_merge($_SESSION['SYSTEM_PERMISSIONS'], explode(',', $results_array['system_permissions']));

                            } else {

                                $_SESSION['SYSTEM_PERMISSIONS'] = explode(',', $results_array['system_permissions']);

                            }

                            break;

                        default:

        					$_SESSION['SYSTEM_PERMISSIONS'] = array_merge($_SESSION['SYSTEM_PERMISSIONS'], explode(',', $results_array['system_permissions']));

                    endswitch;

				}

				// Set module permissions

				if( $results_array['module_permissions'] != '' ) {

					if ($first_group) {

                  	$_SESSION['MODULE_PERMISSIONS'] = explode(',', $results_array['module_permissions']);

                  } else {

                  	$_SESSION['MODULE_PERMISSIONS'] = array_intersect($_SESSION['MODULE_PERMISSIONS'], explode(',', $results_array['module_permissions']));

					}

				}

				// Set template permissions

				if($results_array['template_permissions'] != '') {

					if ($first_group) {

                      	$_SESSION['TEMPLATE_PERMISSIONS'] = explode(',', $results_array['template_permissions']);

                      } else {

                      	$_SESSION['TEMPLATE_PERMISSIONS'] = array_intersect($_SESSION['TEMPLATE_PERMISSIONS'], explode(',', $results_array['template_permissions']));

					}

				}

				$first_group = false;

			}

//            if( $$bOnlyAdminGroup ) {

//    			$_SESSION['MODULE_PERMISSIONS'] = array();

//    			$_SESSION['TEMPLATE_PERMISSIONS'] = array();

//            }

			// Update the users table with current ip and timestamp

			$get_ts = time();

			$get_ip = $_SERVER['REMOTE_ADDR'];

			$sql  = 'UPDATE `'.$this->users_table.'` ';

			$sql .= 'SET `login_when`=\''.$get_ts.'\', `login_ip`=\''.$get_ip.'\' ';

			$sql .= 'WHERE `user_id`=\''.$user_id.'\'';

			$database->query($sql);

		}else {

		  $num_rows = 0;

		}

		// Return if the user exists or not

		return $num_rows;

	}

	// Increase the count for login attemps

	function increase_attemps() {

		if(!isset($_SESSION['ATTEMPS'])) {

			$_SESSION['ATTEMPS'] = 0;

		} else {

			$_SESSION['ATTEMPS'] = $this->get_session('ATTEMPS')+1;

		}

		$this->display_login();

	}

	// Function to set a "remembering" cookie for the user - removed

	function remember($user_id) {

		return true;

	}

	// Function to check if a user has been remembered - removed

	function is_remembered()

	{

		return false;

	}

	// Display the login screen

	function display_login() {

		// Get language vars

		global $MESSAGE, $MENU, $TEXT;

		// If attemps more than allowed, warn the user

		if($this->get_session('ATTEMPS') > $this->max_attemps) {

			$this->warn();

		}

		// Show the login form

		if($this->frontend != true) {

			//require_once(WB_PATH.'/include/phplib/template.inc');

			// $template = new Template($this->template_dir);

			// Setup template object, parse vars to it, then parse it

			$template = new Template(dirname($this->correct_theme_source($this->template_file)));

			$template->set_file('page', $this->template_file);

			$template->set_block('page', 'mainBlock', 'main');

			if($this->remember_me_option != true) {

				$template->set_var('DISPLAY_REMEMBER_ME', 'display: none;');

			} else {

				$template->set_var('DISPLAY_REMEMBER_ME', '');

			}

			$template->set_var(array(

				'ACTION_URL' => $this->login_url,

				'URL' => $this->default_url,

				'ATTEMPS' => $this->get_session('ATTEMPS'),

				'USERNAME' => $this->username,

				'USERNAME_FIELDNAME' => $this->username_fieldname,

				'PASSWORD_FIELDNAME' => $this->password_fieldname,

				'MESSAGE' => $this->message,

				'WEBSITE_TITLE' => WEBSITE_TITLE,

				'TEXT_ADMINISTRATION' => $TEXT['ADMINISTRATION'],

				'INTERFACE_DIR_URL' =>  ADMIN_URL.'/interface',

				'MAX_USERNAME_LEN' => $this->max_username_len,

				'MAX_PASSWORD_LEN' => $this->max_password_len,

				'ADMIN_URL' => ADMIN_URL,

				'WB_URL' => WB_URL,

				'URL_VIEW' => WB_URL,

				'THEME_URL' => THEME_URL,

				'VERSION' => VERSION,

				'SP' => (defined('SP') ? SP : ''),

				'REVISION' => REVISION,

				'LANGUAGE' => strtolower(LANGUAGE),

				'FORGOTTEN_DETAILS_APP' => $this->forgotten_details_app,

				'TEXT_FORGOTTEN_DETAILS' => $TEXT['FORGOTTEN_DETAILS'],

				'TEXT_USERNAME' => $TEXT['USERNAME'],

				'TEXT_PASSWORD' => $TEXT['PASSWORD'],

				'TEXT_REMEMBER_ME' => $TEXT['REMEMBER_ME'],

				'TEXT_LOGIN' => $TEXT['LOGIN'],

				'TITLE_LOGOUT' => $MENU['LOGIN'],

				'TEXT_RESET' => $TEXT['RESET'],

				'TEXT_HOME' => $TEXT['HOME'],

				'TITLE_VIEW' => $TEXT['WEBSITE'],

				'PAGES_DIRECTORY' => PAGES_DIRECTORY,

				'SECTION_NAME' => $MENU['LOGIN'],

				'SECTION_LOGIN' => $MENU['LOGIN'],

				'LOGIN_DISPLAY_HIDDEN' => !$this->is_authenticated() ? 'hidden' : '',

				'LOGIN_DISPLAY_NONE' => !$this->is_authenticated() ? 'none' : '',

				'LOGIN_LINK' => $_SERVER['SCRIPT_NAME'],

				'LOGIN_ICON' => 'login',

				'START_ICON' => 'blank',

				'URL_HELP' => 'http://www.websitebaker.org/',

				)

			);

			if(defined('DEFAULT_CHARSET')) {

				$charset=DEFAULT_CHARSET;

			} else {

				$charset='utf-8';

			}

			$template->set_var('CHARSET', $charset);

			$template->parse('main', 'mainBlock', false);

			$template->pparse('output', 'page');

		}

	}

	// sanities the REMEMBER_KEY cookie to avoid SQL injection

	function get_safe_remember_key() {

		if (!((strlen($_COOKIE['REMEMBER_KEY']) == 23) && (substr($_COOKIE['REMEMBER_KEY'], 11, 1) == '_'))) return '';

		// create a clean cookie (XXXXXXXXXXX_YYYYYYYYYYY) where X:= numeric, Y:= hash

		$clean_cookie = sprintf('%011d', (int) substr($_COOKIE['REMEMBER_KEY'], 0, 11)) . substr($_COOKIE['REMEMBER_KEY'], 11);

		return ($clean_cookie == $_COOKIE['REMEMBER_KEY']) ? $this->add_slashes($clean_cookie) : '';

	}

	// Warn user that they have had to many login attemps

	function warn() {

//		header('Location: '.$this->warning_url);

		$this->send_header($this->warning_url);

		exit(0);

	}

}

	require_once(WB_PATH.'/framework/class.login.php');