WB 2.08.x

<?php

// $Id: class.admin.php,v 1.13 2005/06/23 01:10:46 rdjurovich Exp $

/*

 Website Baker Project <http://www.websitebaker.org/>

 Copyright (C) 2004-2005, Ryan Djurovich

 Website Baker is free software; you can redistribute it and/or modify

 it under the terms of the GNU General Public License as published by

 the Free Software Foundation; either version 2 of the License, or

 (at your option) any later version.

 Website Baker is distributed in the hope that it will be useful,

 but WITHOUT ANY WARRANTY; without even the implied warranty of

 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License

 along with Website Baker; if not, write to the Free Software

 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

/*

Admin class

This class will be used for every program that will be included

in the administration section of Website Baker.

*/

// Stop this file from being accessed directly

if(!defined('WB_PATH')) { exit('Direct access to this file is not allowed'); }

// Say that this file has been loaded

define('ADMIN_CLASS_LOADED', true);

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

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

if(!isset($database)) {

	$database = new database();

}

// Include PHPLIB template class

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

// Start a session

if(!defined('SESSION_STARTED')) {

	session_name(APP_NAME.'_session_id');

	session_start();

	define('SESSION_STARTED', true);

}

// Get WB version

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

/*

Begin user changeable settings

*/

if(!defined('FRONTEND_LOADED')) {

	// Get users language

	if(!defined('LANGUAGE')) {

		if(isset($_SESSION['LANGUAGE']) AND $_SESSION['LANGUAGE'] != '') {

			define('LANGUAGE', $_SESSION['LANGUAGE']);

		} else {

			define('LANGUAGE', DEFAULT_LANGUAGE);

		}

	}

	// Get users timezone

	if(!defined('TIMEZONE')) {

		if(isset($_SESSION['TIMEZONE'])) {

			define('TIMEZONE', $_SESSION['TIMEZONE']);

		} else {

			define('TIMEZONE', DEFAULT_TIMEZONE);

		}

	}

	// Get users date format

	if(!defined('DATE_FORMAT')) {

		if(isset($_SESSION['DATE_FORMAT'])) {

			define('DATE_FORMAT', $_SESSION['DATE_FORMAT']);

		} else {

			define('DATE_FORMAT', DEFAULT_DATE_FORMAT);

		}

	}

	// Get users time format

	if(!defined('TIME_FORMAT')) {

		if(isset($_SESSION['TIME_FORMAT'])) {

			define('TIME_FORMAT', $_SESSION['TIME_FORMAT']);

		} else {

			define('TIME_FORMAT', DEFAULT_TIME_FORMAT);

		}

	}

	// Load the language file

	if(!defined('LANGUAGE_LOADED')) {

		if(!file_exists(WB_PATH.'/languages/'.LANGUAGE.'.php')) {

			exit('Error loading language file '.LANGUAGE.', please check configuration');

		} else {

			require(WB_PATH.'/languages/'.LANGUAGE.'.php');

		}

	}

}

/*

End user changeable settings

*/

class admin {

	// Authenticate user then auto print the header

	function admin($section_name, $section_permission = 'start', $auto_header = true, $auto_auth = true) {

		global $MESSAGE;

		// Specify the current applications name

		$this->section_name = $section_name;

		$this->section_permission = $section_permission;

		// Authenticate the user for this application

		if($auto_auth == true) {

			// First check if the user is logged-in

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

				header('Location: '.ADMIN_URL.'/login/index.php');

			}

			// Now check if they are allowed in this section

			if($this->get_permission($section_permission) == false) {

				die($MESSAGE['ADMIN']['INSUFFICIENT_PRIVELLIGES']);

			}

		}

		// Auto header code

		if($auto_header == true) {

			$this->print_header();

		}

	}

	// Print the admin header

	function print_header($body_tags = '') {

		// Get vars from the language file

		global $MENU;

		global $MESSAGE;

		global $TEXT;

		// Connect to database and get website title

		$database = new database();

		$get_title = $database->query("SELECT value FROM ".TABLE_PREFIX."settings WHERE name = 'title'");

		$title = $get_title->fetchRow();

		$header_template = new Template(ADMIN_PATH."/interface");

		$header_template->set_file('page', 'header.html');

		$header_template->set_block('page', 'header_block', 'header');

		$header_template->set_var(	array(

													'SECTION_NAME' => $MENU[strtoupper($this->section_name)],

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

													'BODY_TAGS' => $body_tags,

													'WEBSITE_TITLE' => stripslashes($title['value']),

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

													'VERSION' => VERSION

													)

											);

		// Create the menu

		$menu = array(

					array(ADMIN_URL.'/start/index.php', '', $MENU['START'], 'start', 0),

					array(ADMIN_URL.'/pages/index.php', '', $MENU['PAGES'], 'pages', 1),

					array(ADMIN_URL.'/media/index.php', '', $MENU['MEDIA'], 'media', 1),

					array(ADMIN_URL.'/addons/index.php', '', $MENU['ADDONS'], 'addons', 1),

					array(ADMIN_URL.'/preferences/index.php', '', $MENU['PREFERENCES'], 'preferences', 0),

					array(ADMIN_URL.'/settings/index.php', '', $MENU['SETTINGS'], 'settings', 1),

					array(ADMIN_URL.'/access/index.php', '', $MENU['ACCESS'], 'access', 1),

					array('http://www.websitebaker.org/docs/', '_blank', $MENU['HELP'], 'help', 0),

					array(WB_URL.'/', '_blank', $MENU['VIEW'], 'view', 0),

					array(ADMIN_URL.'/logout/index.php', '', $MENU['LOGOUT'], 'logout', 0)

					);

		$header_template->set_block('header_block', 'linkBlock', 'link');

		foreach($menu AS $menu_item) {

			$link = $menu_item[0];

			$target = $menu_item[1];

			$title = $menu_item[2];

			$permission_title = $menu_item[3];

			$required = $menu_item[4];

			$replace_old = array(ADMIN_URL, WB_URL, '/', 'index.php');

			if($required == false OR $this->get_link_permission($permission_title)) {

				$header_template->set_var('LINK', $link);

				$header_template->set_var('TARGET', $target);

				// If link is the current section apply a class name

				if($permission_title == strtolower($this->section_name)) {

					$header_template->set_var('CLASS', 'current');

				} else {

					$header_template->set_var('CLASS', '');

				}

				$header_template->set_var('TITLE', $title);

				// Print link

				$header_template->parse('link', 'linkBlock', true);

			}

		}

		$header_template->parse('header', 'header_block', false);

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

	}

	// Print the admin footer

	function print_footer() {

		$footer_template = new Template(ADMIN_PATH."/interface");

		$footer_template->set_file('page', 'footer.html');

		$footer_template->set_block('page', 'footer_block', 'header');

		$footer_template->parse('header', 'footer_block', false);

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

	}

	// Print a success message which then automatically redirects the user to another page

	function print_success($message, $redirect = 'index.php') {

		global $TEXT;

		$success_template = new Template(ADMIN_PATH.'/interface');

		$success_template->set_file('page', 'success.html');

		$success_template->set_block('page', 'main_block', 'main');

		$success_template->set_var('MESSAGE', $message);

		$success_template->set_var('REDIRECT', $redirect);

		$success_template->set_var('NEXT', $TEXT['NEXT']);

		$success_template->parse('main', 'main_block', false);

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

	}

	// Print a error message

	function print_error($message, $link = 'index.php', $auto_footer = true) {

		global $TEXT;

		$success_template = new Template(ADMIN_PATH.'/interface');

		$success_template->set_file('page', 'error.html');

		$success_template->set_block('page', 'main_block', 'main');

		$success_template->set_var('MESSAGE', $message);

		$success_template->set_var('LINK', $link);

		$success_template->set_var('BACK', $TEXT['BACK']);

		$success_template->parse('main', 'main_block', false);

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

		if($auto_footer == true) {

			$this->print_footer();

		}

		exit();

	}

	// Return a system permission

	function get_permission($name, $type = 'system') {

		// Append to permission type

		$type .= '_permissions';

		// Check if we have a section to check for

		if($name == 'start') {

			return true;

		} else {

			// Set system permissions var

			$system_permissions = $this->get_session('SYSTEM_PERMISSIONS');

			// Set module permissions var

			$module_permissions = $this->get_session('MODULE_PERMISSIONS');

			// Set template permissions var

			$template_permissions = $this->get_session('TEMPLATE_PERMISSIONS');

			// Return true if system perm = 1

			if(is_numeric(array_search($name, $$type))) {

				if($type == 'system_permissions') {

					return true;

				} else {

					return false;

				}

			} else {

				if($type == 'system_permissions') {

					return false;

				} else {

					return true;

				}

			}

		}

	}

	// Returns a system permission for a menu link

	function get_link_permission($title) {

		$title = str_replace('_blank', '', $title);

		$title = strtolower($title);

		// Set system permissions var

		$system_permissions = $this->get_session('SYSTEM_PERMISSIONS');

		// Set module permissions var

		$module_permissions = $this->get_session('MODULE_PERMISSIONS');

		if($title == 'start') {

			return true;

		} else {

			// Return true if system perm = 1

			if(is_numeric(array_search($title, $system_permissions))) {

				return true;

			} else {

				return false;

			}

		}

	}

	// Check whether we should show a page or not (for front-end)

	function show_page($page) {

		// First check if the page is set to private

		if($page['visibility'] == 'private' OR $page['visibility'] == 'registered') {

			// Check if the user is logged in

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

				// Now check if the user has perms to view it

				$viewing_groups = explode(',', $page['viewing_groups']);

				$viewing_users = explode(',', $page['viewing_users']);

				if(is_numeric(array_search($this->get_group_id(), $viewing_groups)) OR is_numeric(array_search($this->get_user_id(), $viewing_users))) {

					return true;

				} else {

					return false;

				}

			} else {

				return false;

			}

		} elseif($page['visibility'] == 'public') {

			return true;

		} else {

			return false;

		}

	}

	// Check if the user is already authenticated or not

	function is_authenticated() {

		if(isset($_SESSION['USER_ID']) AND $_SESSION['USER_ID'] != "" AND is_numeric($_SESSION['USER_ID'])) {

			return true;

		} else {

			return false;

		}

	}

	// Get POST data

	function get_post($field) {

		if(isset($_POST[$field])) {

			return $_POST[$field];

		} else {

			return null;

		}

	}

	// Get GET data

	function get_get($field) {

		if(isset($_GET[$field])) {

			return $_GET[$field];

		} else {

			return null;

		}

	}

	// Get SESSION data

	function get_session($field) {

		if(isset($_SESSION[$field])) {

			return $_SESSION[$field];

		} else {

			return null;

		}

	}

	// Get SERVER data

	function get_server($field) {

		if(isset($_SERVER[$field])) {

			return $_SERVER[$field];

		} else {

			return null;

		}

	}

	// Get the current users id

	function get_user_id() {

		return $_SESSION['USER_ID'];

	}

	// Get the current users group id

	function get_group_id() {

		return $_SESSION['GROUP_ID'];

	}

	// Get the current users group name

	function get_group_name() {

		return $_SESSION['GROUP_NAME'];

	}

	// Get the current users username

	function get_username() {

		return $_SESSION['USERNAME'];

	}

	// Get the current users display name

	function get_display_name() {

		return stripslashes($_SESSION['DISPLAY_NAME']);

	}

	// Get the current users email address

	function get_email() {

		return $_SESSION['EMAIL'];

	}

	// Get the current users home folder

	function get_home_folder() {

		return $_SESSION['HOME_FOLDER'];

	}

	// Get the current users timezone

	function get_timezone() {

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

			return $_SESSION['TIMEZONE'];

		} else {

			return '-72000';

		}

	}

	// Validate supplied email address

	function validate_email($email) {

		if(eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$", $email)) {

			return true;

		} else {

			return false;

		}

	}

}

?>