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1 4 ryan
<?php
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3 18 stefan
// $Id$
4 4 ryan
5
/*
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7
 Website Baker Project <http://www.websitebaker.org/>
8 909 doc
 Copyright (C) 2004-2009, Ryan Djurovich
9 4 ryan
10
 Website Baker is free software; you can redistribute it and/or modify
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 it under the terms of the GNU General Public License as published by
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 the Free Software Foundation; either version 2 of the License, or
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 (at your option) any later version.
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15
 Website Baker is distributed in the hope that it will be useful,
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 but WITHOUT ANY WARRANTY; without even the implied warranty of
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 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 GNU General Public License for more details.
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20
 You should have received a copy of the GNU General Public License
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 along with Website Baker; if not, write to the Free Software
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 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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24
*/
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26
/*
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28
Admin class
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30
This class will be used for every program that will be included
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in the administration section of Website Baker.
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*/
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35 18 stefan
if(!defined('WB_URL')) {
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	header('Location: ../index.php');
37 286 stefan
	exit(0);
38 18 stefan
}
39 4 ryan
40 5 stefan
require_once(WB_PATH.'/framework/class.wb.php');
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42 4 ryan
// Include PHPLIB template class
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require_once(WB_PATH."/include/phplib/template.inc");
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45
// Get WB version
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require_once(ADMIN_PATH.'/interface/version.php');
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48 909 doc
// Include EditArea wrapper functions
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require_once(WB_PATH . '/include/editarea/wb_wrapper_edit_area.php');
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51 4 ryan
/*
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Begin user changeable settings
53
*/
54
55 55 stefan
56 5 stefan
class admin extends wb {
57 4 ryan
	// Authenticate user then auto print the header
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	function admin($section_name, $section_permission = 'start', $auto_header = true, $auto_auth = true) {
59 55 stefan
		$this->wb();
60 4 ryan
		global $MESSAGE;
61
		// Specify the current applications name
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		$this->section_name = $section_name;
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		$this->section_permission = $section_permission;
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		// Authenticate the user for this application
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		if($auto_auth == true) {
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			// First check if the user is logged-in
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			if($this->is_authenticated() == false) {
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				header('Location: '.ADMIN_URL.'/login/index.php');
69 286 stefan
				exit(0);
70 4 ryan
			}
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			// Now check if they are allowed in this section
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			if($this->get_permission($section_permission) == false) {
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				die($MESSAGE['ADMIN']['INSUFFICIENT_PRIVELLIGES']);
74
			}
75
		}
76 702 doc
77
		// Check if the backend language is also the selected language. If not, send headers again.
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		global $database;
79
		$get_user_language = @$database->query("SELECT language FROM ".TABLE_PREFIX.
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			"users WHERE user_id = '" .(int) $this->get_user_id() ."'");
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		$user_language = ($get_user_language) ? $get_user_language->fetchRow() : '';
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		// prevent infinite loop if language file is not XX.php (e.g. DE_du.php)
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		$user_language = substr($user_language[0],0,2);
84 749 doc
		// obtain the admin folder (e.g. /admin)
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		$admin_folder = str_replace(WB_PATH, '', ADMIN_PATH);
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		if((LANGUAGE != $user_language) && file_exists(WB_PATH .'/languages/' .$user_language .'.php')
87 749 doc
			&& strpos($_SERVER['PHP_SELF'],$admin_folder.'/') !== false) {
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			// check if page_id is set
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			$page_id_url = (isset($_GET['page_id'])) ? '&page_id=' .(int) $_GET['page_id'] : '';
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			$section_id_url = (isset($_GET['section_id'])) ? '&section_id=' .(int) $_GET['section_id'] : '';
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			if(isset($_SERVER['QUERY_STRING']) && $_SERVER['QUERY_STRING'] != '') { // check if there is an query-string
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				header('Location: '.$_SERVER['PHP_SELF'] .'?lang='.$user_language .$page_id_url .$section_id_url.'&'.$_SERVER['QUERY_STRING']);
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			} else {
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				header('Location: '.$_SERVER['PHP_SELF'] .'?lang='.$user_language .$page_id_url .$section_id_url);
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			}
96 702 doc
			exit();
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		}
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		// Auto header code
100
		if($auto_header == true) {
101
			$this->print_header();
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		}
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	}
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105
	// Print the admin header
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	function print_header($body_tags = '') {
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		// Get vars from the language file
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		global $MENU;
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		global $MESSAGE;
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		global $TEXT;
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		// Connect to database and get website title
112 95 stefan
		global $database;
113 387 Ruebenwurz
		$get_title = $database->query("SELECT value FROM ".TABLE_PREFIX."settings WHERE name = 'website_title'");
114 4 ryan
		$title = $get_title->fetchRow();
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		$header_template = new Template(ADMIN_PATH."/interface");
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		$header_template->set_file('page', 'header.html');
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		$header_template->set_block('page', 'header_block', 'header');
118 291 stefan
		if(defined('DEFAULT_CHARSET')) {
119
			$charset=DEFAULT_CHARSET;
120
		} else {
121
			$charset='utf-8';
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		}
123 621 doc
124
		// work out the URL for the 'View menu' link in the WB backend
125
		// if the page_id is set, show this page otherwise show the root directory of WB
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		$view_url = WB_URL;
127
		if(isset($_GET['page_id'])) {
128
			// extract page link from the database
129 656 thorn
			$result = @$database->query("SELECT link FROM " .TABLE_PREFIX ."pages WHERE page_id = '" .(int) addslashes($_GET['page_id']) ."'");
130 621 doc
			$row = @$result->fetchRow();
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			if($row) $view_url .= PAGES_DIRECTORY .$row['link']. PAGE_EXTENSION;
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		}
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134 4 ryan
		$header_template->set_var(	array(
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													'SECTION_NAME' => $MENU[strtoupper($this->section_name)],
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													'BODY_TAGS' => $body_tags,
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													'WEBSITE_TITLE' => ($title['value']),
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													'TEXT_ADMINISTRATION' => $TEXT['ADMINISTRATION'],
139 291 stefan
													'CHARSET' => $charset,
140 458 doc
													'VERSION' => VERSION,
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													'WB_URL' => WB_URL,
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													'ADMIN_URL' => ADMIN_URL,
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													'TITLE_START' => $MENU['START'],
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													'TITLE_VIEW' => $MENU['VIEW'],
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													'TITLE_HELP' => $MENU['HELP'],
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													'TITLE_LOGOUT' =>  $MENU['LOGOUT'],
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													'URL_VIEW' => $view_url,
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													'URL_HELP' => 'http://www.websitebaker.org/help/'.WB_VERSION,
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													'BACKEND_MODULE_CSS' => $this->register_backend_modfiles('css'),	// adds backend.css
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													'BACKEND_MODULE_JS'  => $this->register_backend_modfiles('js')		// adds backend.js
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													)
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											);
153 530 doc
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		// Create the menu
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		$menu = array(
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					array(ADMIN_URL.'/pages/index.php', '', $MENU['PAGES'], 'pages', 1),
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					array(ADMIN_URL.'/media/index.php', '', $MENU['MEDIA'], 'media', 1),
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					array(ADMIN_URL.'/addons/index.php', '', $MENU['ADDONS'], 'addons', 1),
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					array(ADMIN_URL.'/preferences/index.php', '', $MENU['PREFERENCES'], 'preferences', 0),
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					array(ADMIN_URL.'/settings/index.php', '', $MENU['SETTINGS'], 'settings', 1),
161 536 doc
					array(ADMIN_URL.'/admintools/index.php', '', $MENU['ADMINTOOLS'], 'admintools', 1),
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					array(ADMIN_URL.'/access/index.php', '', $MENU['ACCESS'], 'access', 1)
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					);
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		$header_template->set_block('header_block', 'linkBlock', 'link');
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		foreach($menu AS $menu_item) {
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			$link = $menu_item[0];
167 916 doc
			$target = ($menu_item[1] == '') ? '_self' : $menu_item[1];
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			$title = $menu_item[2];
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			$permission_title = $menu_item[3];
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			$required = $menu_item[4];
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			$replace_old = array(ADMIN_URL, WB_URL, '/', 'index.php');
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			if($required == false OR $this->get_link_permission($permission_title)) {
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				$header_template->set_var('LINK', $link);
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				$header_template->set_var('TARGET', $target);
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				// If link is the current section apply a class name
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				if($permission_title == strtolower($this->section_name)) {
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					$header_template->set_var('CLASS', 'current');
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				} else {
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					$header_template->set_var('CLASS', '');
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				}
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				$header_template->set_var('TITLE', $title);
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				// Print link
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				$header_template->parse('link', 'linkBlock', true);
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			}
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		}
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		$header_template->parse('header', 'header_block', false);
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		$header_template->pparse('output', 'page');
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	}
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190
	// Print the admin footer
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	function print_footer() {
192 601 doc
		// include the required file for Javascript admin
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    	if(file_exists(WB_PATH.'/modules/jsadmin/jsadmin_backend_include.php')){
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      	@include(WB_PATH.'/modules/jsadmin/jsadmin_backend_include.php');
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    	}
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		$footer_template = new Template(ADMIN_PATH."/interface");
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		$footer_template->set_file('page', 'footer.html');
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		$footer_template->set_block('page', 'footer_block', 'header');
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		$footer_template->parse('header', 'footer_block', false);
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		$footer_template->pparse('output', 'page');
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	}
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	// Return a system permission
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	function get_permission($name, $type = 'system') {
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		// Append to permission type
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		$type .= '_permissions';
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		// Check if we have a section to check for
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		if($name == 'start') {
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			return true;
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		} else {
211
			// Set system permissions var
212
			$system_permissions = $this->get_session('SYSTEM_PERMISSIONS');
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			// Set module permissions var
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			$module_permissions = $this->get_session('MODULE_PERMISSIONS');
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			// Set template permissions var
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			$template_permissions = $this->get_session('TEMPLATE_PERMISSIONS');
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			// Return true if system perm = 1
218 906 doc
			if (isset($$type) && is_array($$type) && is_numeric(array_search($name, $$type))) {
219 4 ryan
				if($type == 'system_permissions') {
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					return true;
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				} else {
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					return false;
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				}
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			} else {
225
				if($type == 'system_permissions') {
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					return false;
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				} else {
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					return true;
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				}
230
			}
231
		}
232
	}
233 318 stefan
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	function get_user_details($user_id) {
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		global $database;
236
		$query_user = "SELECT username,display_name FROM ".TABLE_PREFIX."users WHERE user_id = '$user_id'";
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		$get_user = $database->query($query_user);
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		if($get_user->numRows() != 0) {
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			$user = $get_user->fetchRow();
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		} else {
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			$user['display_name'] = 'Unknown';
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			$user['username'] = 'unknown';
243
		}
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		return $user;
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	}
246
247
	function get_page_details($page_id) {
248 321 stefan
		global $database;
249 318 stefan
		$query = "SELECT page_id,page_title,modified_by,modified_when FROM ".TABLE_PREFIX."pages WHERE page_id = '$page_id'";
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		$results = $database->query($query);
251
		if($database->is_error()) {
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			$this->print_header();
253
			$this->print_error($database->get_error());
254
		}
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		if($results->numRows() == 0) {
256
			$this->print_header();
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			$this->print_error($MESSAGE['PAGES']['NOT_FOUND']);
258
		}
259
		$results_array = $results->fetchRow();
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		return $results_array;
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	}
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263
	/** Function get_page_permission takes either a numerical page_id,
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	 * upon which it looks up the permissions in the database,
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	 * or an array with keys admin_groups and admin_users
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	 */
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	function get_page_permission($page,$action='admin') {
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		if ($action!='viewing') $action='admin';
269
		$action_groups=$action.'_groups';
270
		$action_users=$action.'_users';
271
		if (is_array($page)) {
272
				$groups=$page[$action_groups];
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				$users=$page[$action_users];
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		} else {
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			global $database;
276 321 stefan
			$results = $database->query("SELECT $action_groups,$action_users FROM ".TABLE_PREFIX."pages WHERE page_id = '$page'");
277 318 stefan
			$result = $results->fetchRow();
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			$groups = explode(',', str_replace('_', '', $result[$action_groups]));
279
			$users = explode(',', str_replace('_', '', $result[$action_users]));
280
		}
281 546 doc
282
		$in_group = FALSE;
283
		foreach($this->get_groups_id() as $cur_gid){
284
		    if (in_array($cur_gid, $groups)) {
285
		        $in_group = TRUE;
286
		    }
287
		}
288
		if((!$in_group) AND !is_numeric(array_search($this->get_user_id(), $users))) {
289 318 stefan
			return false;
290
		}
291
		return true;
292
	}
293
294 5 stefan
295 4 ryan
	// Returns a system permission for a menu link
296
	function get_link_permission($title) {
297
		$title = str_replace('_blank', '', $title);
298
		$title = strtolower($title);
299
		// Set system permissions var
300
		$system_permissions = $this->get_session('SYSTEM_PERMISSIONS');
301
		// Set module permissions var
302
		$module_permissions = $this->get_session('MODULE_PERMISSIONS');
303
		if($title == 'start') {
304
			return true;
305
		} else {
306
			// Return true if system perm = 1
307
			if(is_numeric(array_search($title, $system_permissions))) {
308
				return true;
309
			} else {
310
				return false;
311
			}
312
		}
313
	}
314 458 doc
315
	// Function to add optional module Javascript or CSS stylesheets into the <head> section of the backend
316
	function register_backend_modfiles($file_id="css") {
317
		// sanity check of parameter passed to the function
318
		$file_id = strtolower($file_id);
319
		if($file_id !== "css" && $file_id !== "javascript" && $file_id !== "js") {
320
			return;
321
		}
322
323
		global $database;
324
		// define default baselink and filename for optional module javascript and stylesheet files
325
		$head_links = "";
326
		if($file_id == "css") {
327
      	$base_link = '<link href="'.WB_URL.'/modules/{MODULE_DIRECTORY}/backend.css"';
328 794 doc
			$base_link.= ' rel="stylesheet" type="text/css" media="screen" />';
329 458 doc
			$base_file = "backend.css";
330
		} else {
331
			$base_link = '<script type="text/javascript" src="'.WB_URL.'/modules/{MODULE_DIRECTORY}/backend.js"></script>';
332
			$base_file = "backend.js";
333
		}
334
335
		// check if backend.js or backend.css files needs to be included to the <head></head> section of the backend
336
		if(isset($_GET['tool'])) {
337
			// check if displayed page contains a installed admin tool
338
			$result = $database->query("SELECT * FROM " .TABLE_PREFIX ."addons
339 656 thorn
				WHERE type = 'module' AND function = 'tool' AND directory = '".addslashes($_GET['tool'])."'");
340 458 doc
341
			if($result->numRows()) {
342
				// check if admin tool directory contains a backend.js or backend.css file to include
343
				$tool = $result->fetchRow();
344
				if(file_exists(WB_PATH ."/modules/" .$tool['directory'] ."/$base_file")) {
345
        			// return link to the backend.js or backend.css file
346
					return str_replace("{MODULE_DIRECTORY}", $tool['directory'], $base_link);
347
				}
348
			}
349
		} elseif(isset($_GET['page_id'])) {
350
			// check if displayed page in the backend contains a page module
351 656 thorn
			$page_id = (int) addslashes($_GET['page_id']);
352 458 doc
353
    		// gather information for all models embedded on actual page
354
			$query_modules = $database->query("SELECT module FROM " .TABLE_PREFIX ."sections
355 842 thorn
				WHERE page_id=$page_id");
356 458 doc
357
    		while($row = $query_modules->fetchRow()) {
358
				// check if page module directory contains a backend.js or backend.css file
359
      		if(file_exists(WB_PATH ."/modules/" .$row['module'] ."/$base_file")) {
360
					// create link with backend.js or backend.css source for the current module
361
					$tmp_link = str_replace("{MODULE_DIRECTORY}", $row['module'], $base_link);
362
        			// ensure that backend.js or backend.css is only added once per module type
363
        			if(strpos($head_links, $tmp_link) === false) {
364
						$head_links .= $tmp_link ."\n";
365
					}
366
				}
367
    		}
368
    		// write out links with all external module javascript/CSS files, remove last line feed
369
			return rtrim($head_links);
370
		}
371
	}
372 4 ryan
}
373
374 840 thorn
?>