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<?php
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// $Id: functions.php 19 2005-09-04 23:18:58Z stefan $
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/*
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Website Baker Project <http://www.websitebaker.org/>
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Copyright (C) 2004-2005, Ryan Djurovich
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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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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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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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*/
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/*
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Website Baker functions file
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This file contains general functions used in Website Baker
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*/
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// Stop this file from being accessed directly
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if(!defined('WB_URL')) {
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header('Location: ../index.php');
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}
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// Define that this file has been loaded
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define('FUNCTIONS_FILE_LOADED', true);
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// Function to remove a non-empty directory
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function rm_full_dir($directory)
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{
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// If suplied dirname is a file then unlink it
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if (is_file($directory)) {
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return unlink($directory);
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}
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// Empty the folder
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$dir = dir($directory);
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while (false !== $entry = $dir->read()) {
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// Skip pointers
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if ($entry == '.' || $entry == '..') {
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continue;
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}
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// Deep delete directories
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if (is_dir("$directory/$entry")) {
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rm_full_dir("$directory/$entry");
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} else {
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unlink("$directory/$entry");
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}
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}
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// Now delete the folder
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$dir->close();
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return rmdir($directory);
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}
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// Function to open a directory and add to a dir list
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function directory_list($directory) {
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$list = array();
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// Open the directory then loop through its contents
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$dir = dir($directory);
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while (false !== $entry = $dir->read()) {
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// Skip pointers
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if(substr($entry, 0, 1) == '.' || $entry == '.svn') {
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continue;
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}
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// Add dir and contents to list
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if (is_dir("$directory/$entry")) {
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$list = array_merge($list, directory_list("$directory/$entry"));
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$list[] = "$directory/$entry";
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}
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}
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// Now return the list
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return $list;
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}
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// Function to open a directory and add to a dir list
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function chmod_directory_contents($directory, $file_mode) {
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// Set the umask to 0
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$umask = umask(0);
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// Open the directory then loop through its contents
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$dir = dir($directory);
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while (false !== $entry = $dir->read()) {
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// Skip pointers
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if(substr($entry, 0, 1) == '.' || $entry == '.svn') {
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continue;
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}
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// Chmod the sub-dirs contents
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if(is_dir("$directory/$entry")) {
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chmod_directory_contents("$directory/$entry", $file_mode);
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}
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change_mode($directory.'/'.$entry, 'file');
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}
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// Restore the umask
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umask($umask);
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}
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// Function to open a directory and add to a file list
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function file_list($directory, $skip = array()) {
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$list = array();
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$skip_file = false;
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// Open the directory then loop through its contents
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$dir = dir($directory);
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while (false !== $entry = $dir->read()) {
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// Skip pointers
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if($entry == '.' || $entry == '..') {
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$skip_file = true;
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}
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// Check if we to skip anything else
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if($skip != array()) {
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foreach($skip AS $skip_name) {
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if($entry == $skip_name) {
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$skip_file = true;
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}
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}
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}
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// Add dir and contents to list
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if($skip_file != true AND is_file("$directory/$entry")) {
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$list[] = "$directory/$entry";
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}
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// Reset the skip file var
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$skip_file = false;
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}
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// Now delete the folder
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return $list;
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}
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// Function to get a list of home folders not to show
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function get_home_folders() {
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global $database, $admin;
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$home_folders = array();
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// Only return home folders is this feature is enabled
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if(HOME_FOLDERS) {
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$query_home_folders = $database->query("SELECT home_folder FROM ".TABLE_PREFIX."users WHERE home_folder != '".$admin->get_home_folder()."'");
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if($query_home_folders->numRows() > 0) {
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while($folder = $query_home_folders->fetchRow()) {
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$home_folders[$folder['home_folder']] = $folder['home_folder'];
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}
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}
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function remove_home_subs($directory = '/', $home_folders) {
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if($handle = opendir(WB_PATH.MEDIA_DIRECTORY.$directory)) {
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// Loop through the dirs to check the home folders sub-dirs are not shown
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while(false !== ($file = readdir($handle))) {
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if(substr($file, 0, 1) != '.' AND $file != '.svn' AND $file != 'index.php') {
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if(is_dir(WB_PATH.MEDIA_DIRECTORY.$directory.'/'.$file)) {
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if($directory != '/') { $file = $directory.'/'.$file; } else { $file = '/'.$file; }
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foreach($home_folders AS $hf) {
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$hf_length = strlen($hf);
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if($hf_length > 0) {
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if(substr($file, 0, $hf_length+1) == $hf) {
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$home_folders[$file] = $file;
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}
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}
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}
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$home_folders = remove_home_subs($file, $home_folders);
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}
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}
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}
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}
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return $home_folders;
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}
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$home_folders = remove_home_subs('/', $home_folders);
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}
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return $home_folders;
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}
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// Function to create directories
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function make_dir($dir_name, $dir_mode = OCTAL_DIR_MODE) {
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if(!file_exists($dir_name)) {
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$umask = umask(0);
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mkdir($dir_name, $dir_mode);
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umask($umask);
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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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}
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// Function to chmod files and directories
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function change_mode($name) {
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if(OPERATING_SYSTEM != 'windows') {
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// Only chmod if os is not windows
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if(is_dir($name)) {
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$mode = OCTAL_DIR_MODE;
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} else {
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$mode = OCTAL_FILE_MODE;
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}
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if(file_exists($name)) {
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$umask = umask(0);
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chmod($name, $mode);
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umask($umask);
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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 {
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return true;
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}
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}
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// Function to figure out if a parent exists
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function is_parent($page_id) {
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global $database;
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// Get parent
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$query = $database->query("SELECT parent FROM ".TABLE_PREFIX."pages WHERE page_id = '$page_id'");
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$fetch = $query->fetchRow();
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// If parent isnt 0 return its ID
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if($fetch['parent'] == '0') {
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return false;
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} else {
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return $fetch['parent'];
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}
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}
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// Function to work out level
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function level_count($page_id) {
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global $database;
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// Get page parent
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$query_page = $database->query("SELECT parent FROM ".TABLE_PREFIX."pages WHERE page_id = '$page_id' LIMIT 1");
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$fetch_page = $query_page->fetchRow();
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$parent = $fetch_page['parent'];
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if($parent > 0) {
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// Get the level of the parent
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$query_parent = $database->query("SELECT level FROM ".TABLE_PREFIX."pages WHERE page_id = '$parent' LIMIT 1");
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$fetch_parent = $query_parent->fetchRow();
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$level = $fetch_parent['level'];
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return $level+1;
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} else {
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return 0;
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}
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}
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// Function to work out root parent
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function root_parent($page_id) {
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global $database;
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// Get page details
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$query_page = $database->query("SELECT parent,level FROM ".TABLE_PREFIX."pages WHERE page_id = '$page_id' LIMIT 1");
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$fetch_page = $query_page->fetchRow();
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$parent = $fetch_page['parent'];
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$level = $fetch_page['level'];
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if($level == 1) {
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return $parent;
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} elseif($parent == 0) {
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return 0;
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} else {
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// Figure out what the root parents id is
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$parent_ids = array_reverse(get_parent_ids($page_id));
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return $parent_ids[0];
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}
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}
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// Function to get page title
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function get_page_title($id) {
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global $database;
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// Get title
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$query = $database->query("SELECT page_title FROM ".TABLE_PREFIX."pages WHERE page_id = '$id'");
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$fetch = $query->fetchRow();
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// Return title
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return $fetch['page_title'];
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}
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285
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// Function to get a pages menu title
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function get_menu_title($id) {
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288
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// Connect to the database
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$database = new database();
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// Get title
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$query = $database->query("SELECT menu_title FROM ".TABLE_PREFIX."pages WHERE page_id = '$id'");
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$fetch = $query->fetchRow();
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// Return title
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return $fetch['menu_title'];
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}
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296
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297
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// Function to get all parent page titles
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298
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function get_parent_titles($parent_id) {
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$titles[] = get_menu_title($parent_id);
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if(is_parent($parent_id) != false) {
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$parent_titles = get_parent_titles(is_parent($parent_id));
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$titles = array_merge($titles, $parent_titles);
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}
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return $titles;
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}
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306
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307
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// Function to get all parent page id's
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function get_parent_ids($parent_id) {
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$ids[] = $parent_id;
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if(is_parent($parent_id) != false) {
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$parent_ids = get_parent_ids(is_parent($parent_id));
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$ids = array_merge($ids, $parent_ids);
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}
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return $ids;
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315
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}
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316
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317
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// Function to genereate page trail
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318
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function get_page_trail($page_id) {
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319
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return implode(',', array_reverse(get_parent_ids($page_id)));
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320
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}
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321
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322
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// Function to get all sub pages id's
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323
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function get_subs($parent, $subs) {
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324
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// Connect to the database
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325
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$database = new database();
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326
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// Get id's
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327
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$query = $database->query("SELECT page_id FROM ".TABLE_PREFIX."pages WHERE parent = '$parent'");
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328
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if($query->numRows() > 0) {
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329
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while($fetch = $query->fetchRow()) {
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330
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$subs[] = $fetch['page_id'];
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331
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// Get subs of this sub
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332
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$subs = get_subs($fetch['page_id'], $subs);
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333
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}
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334
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}
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335
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// Return subs array
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336
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return $subs;
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337
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}
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338
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339
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// Function to convert a page title to a page filename
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340
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function page_filename($string) {
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341
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// First, translate any non-english characters to their english equivalents
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342
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require(WB_PATH.'/framework/convert.php');
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343
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$string = strtr($string, $conversion_array);
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344
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// Now replace spaces with page spcacer
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345
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$string = str_replace(' ', PAGE_SPACER, $string);
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346
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// Now remove all bad characters
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347
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$bad = array(
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348
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'\'', /* / */ '"', /* " */ '<', /* < */ '>', /* > */
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349
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'{', /* { */ '}', /* } */ '[', /* [ */ ']', /* ] */ '`', /* ` */
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350
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'!', /* ! */ '@', /* @ */ '#', /* # */ '$', /* $ */ '%', /* % */
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351
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'^', /* ^ */ '&', /* & */ '*', /* * */ '(', /* ( */ ')', /* ) */
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352
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'=', /* = */ '+', /* + */ '|', /* | */ '/', /* / */ '\\', /* \ */
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353
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';', /* ; */ ':', /* : */ ',', /* , */ '?' /* ? */
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354
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);
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355
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$string = str_replace($bad, '', $string);
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356
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// Now convert to lower-case
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357
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$string = strtolower($string);
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358
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// Now remove multiple page spacers
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359
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$string = str_replace(PAGE_SPACER.PAGE_SPACER, PAGE_SPACER, $string);
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360
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// Clean any page spacers at the end of string
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361
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$string = str_replace(PAGE_SPACER, ' ', $string);
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362
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$string = trim($string);
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363
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$string = str_replace(' ', PAGE_SPACER, $string);
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364
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// If there are any weird language characters, this will protect us against possible problems they could cause
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365
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$string = str_replace(array('%2F', '%'), array('/', ''), urlencode($string));
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366
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// Finally, return the cleaned string
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367
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return $string;
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368
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}
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|
369
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|
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370
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// Function to convert a desired media filename to a clean filename
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|
371
|
function media_filename($string) {
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|
372
|
// First, translate any non-english characters to their english equivalents
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|
373
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require(WB_PATH.'/framework/convert.php');
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374
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$string = strtr($string, $conversion_array);
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|
375
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// Now remove all bad characters
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|
376
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$bad = array(
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377
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'\'', // '
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378
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'"', // "
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379
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'`', // `
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|
380
|
'!', // !
|
|
381
|
'@', // @
|
|
382
|
'#', // #
|
|
383
|
'$', // $
|
|
384
|
'%', // %
|
|
385
|
'^', // ^
|
|
386
|
'&', // &
|
|
387
|
'*', // *
|
|
388
|
'=', // =
|
|
389
|
'+', // +
|
|
390
|
'|', // |
|
|
391
|
'/', // /
|
|
392
|
'\\', // \
|
|
393
|
';', // ;
|
|
394
|
':', // :
|
|
395
|
',', // ,
|
|
396
|
'?' // ?
|
|
397
|
);
|
|
398
|
$string = str_replace($bad, '', $string);
|
|
399
|
// Clean any page spacers at the end of string
|
|
400
|
$string = trim($string);
|
|
401
|
// Finally, return the cleaned string
|
|
402
|
return $string;
|
|
403
|
}
|
|
404
|
|
|
405
|
// Function to work out a page link
|
|
406
|
if(!function_exists('page_link')) {
|
|
407
|
function page_link($link) {
|
|
408
|
// Check for :// in the link (used in URL's)
|
|
409
|
if(strstr($link, '://') == '') {
|
|
410
|
return WB_URL.PAGES_DIRECTORY.$link.PAGE_EXTENSION;
|
|
411
|
} else {
|
|
412
|
return $link;
|
|
413
|
}
|
|
414
|
}
|
|
415
|
}
|
|
416
|
|
|
417
|
// Create a new file in the pages directory
|
|
418
|
function create_access_file($filename,$page_id,$level) {
|
|
419
|
global $admin;
|
|
420
|
if(!is_writable(WB_PATH.PAGES_DIRECTORY.'/')) {
|
|
421
|
$admin->print_error($MESSAGE['PAGES']['CANNOT_CREATE_ACCESS_FILE']);
|
|
422
|
} else {
|
|
423
|
// First make sure parent folder exists
|
|
424
|
$parent_folders = explode('/',str_replace(WB_PATH.PAGES_DIRECTORY, '', dirname($filename)));
|
|
425
|
$parents = '';
|
|
426
|
foreach($parent_folders AS $parent_folder) {
|
|
427
|
if($parent_folder != '/' AND $parent_folder != '') {
|
|
428
|
$parents .= '/'.$parent_folder;
|
|
429
|
if(!file_exists(WB_PATH.PAGES_DIRECTORY.$parents)) {
|
|
430
|
make_dir(WB_PATH.PAGES_DIRECTORY.$parents);
|
|
431
|
}
|
|
432
|
}
|
|
433
|
}
|
|
434
|
// The depth of the page directory in the directory hierarchy
|
|
435
|
// '/pages' is at depth 1
|
|
436
|
$pages_dir_depth=count(explode('/',PAGES_DIRECTORY))-1;
|
|
437
|
// Work-out how many ../'s we need to get to the index page
|
|
438
|
$index_location = '';
|
|
439
|
for($i = 0; $i < $level + $pages_dir_depth; $i++) {
|
|
440
|
$index_location .= '../';
|
|
441
|
}
|
|
442
|
$content = ''.
|
|
443
|
'<?php
|
|
444
|
$page_id = '.$page_id.';
|
|
445
|
require("'.$index_location.'config.php");
|
|
446
|
require(WB_PATH."/index.php");
|
|
447
|
?>';
|
|
448
|
$handle = fopen($filename, 'w');
|
|
449
|
fwrite($handle, $content);
|
|
450
|
fclose($handle);
|
|
451
|
// Chmod the file
|
|
452
|
change_mode($filename, 'file');
|
|
453
|
}
|
|
454
|
}
|
|
455
|
|
|
456
|
// Function for working out a file mime type (if the in-built PHP one is not enabled)
|
|
457
|
if(!function_exists('mime_content_type')) {
|
|
458
|
function mime_content_type($file) {
|
|
459
|
$file = escapeshellarg($file);
|
|
460
|
return trim(`file -bi $file`);
|
|
461
|
}
|
|
462
|
}
|
|
463
|
|
|
464
|
// Generate a thumbnail from an image
|
|
465
|
function make_thumb($source, $destination, $size) {
|
|
466
|
// Check if GD is installed
|
|
467
|
if(extension_loaded('gd') AND function_exists('imageCreateFromJpeg')) {
|
|
468
|
// First figure out the size of the thumbnail
|
|
469
|
list($original_x, $original_y) = getimagesize($source);
|
|
470
|
if ($original_x > $original_y) {
|
|
471
|
$thumb_w = $size;
|
|
472
|
$thumb_h = $original_y*($size/$original_x);
|
|
473
|
}
|
|
474
|
if ($original_x < $original_y) {
|
|
475
|
$thumb_w = $original_x*($size/$original_y);
|
|
476
|
$thumb_h = $size;
|
|
477
|
}
|
|
478
|
if ($original_x == $original_y) {
|
|
479
|
$thumb_w = $size;
|
|
480
|
$thumb_h = $size;
|
|
481
|
}
|
|
482
|
// Now make the thumbnail
|
|
483
|
$source = imageCreateFromJpeg($source);
|
|
484
|
$dst_img = ImageCreateTrueColor($thumb_w, $thumb_h);
|
|
485
|
imagecopyresampled($dst_img,$source,0,0,0,0,$thumb_w,$thumb_h,$original_x,$original_y);
|
|
486
|
imagejpeg($dst_img, $destination);
|
|
487
|
// Clear memory
|
|
488
|
imagedestroy($dst_img);
|
|
489
|
imagedestroy($source);
|
|
490
|
// Return true
|
|
491
|
return true;
|
|
492
|
} else {
|
|
493
|
return false;
|
|
494
|
}
|
|
495
|
}
|
|
496
|
|
|
497
|
// Function to work-out a single part of an octal permission value
|
|
498
|
function extract_permission($octal_value, $who, $action) {
|
|
499
|
// Make sure the octal value is 4 chars long
|
|
500
|
if(strlen($octal_value) == 0) {
|
|
501
|
$octal_value = '0000';
|
|
502
|
} elseif(strlen($octal_value) == 1) {
|
|
503
|
$octal_value = '000'.$octal_value;
|
|
504
|
} elseif(strlen($octal_value) == 2) {
|
|
505
|
$octal_value = '00'.$octal_value;
|
|
506
|
} elseif(strlen($octal_value) == 3) {
|
|
507
|
$octal_value = '0'.$octal_value;
|
|
508
|
} elseif(strlen($octal_value) == 4) {
|
|
509
|
$octal_value = ''.$octal_value;
|
|
510
|
} else {
|
|
511
|
$octal_value = '0000';
|
|
512
|
}
|
|
513
|
// Work-out what position of the octal value to look at
|
|
514
|
switch($who) {
|
|
515
|
case 'u':
|
|
516
|
$position = '1';
|
|
517
|
break;
|
|
518
|
case 'user':
|
|
519
|
$position = '1';
|
|
520
|
break;
|
|
521
|
case 'g':
|
|
522
|
$position = '2';
|
|
523
|
break;
|
|
524
|
case 'group':
|
|
525
|
$position = '2';
|
|
526
|
break;
|
|
527
|
case 'o':
|
|
528
|
$position = '3';
|
|
529
|
break;
|
|
530
|
case 'others':
|
|
531
|
$position = '3';
|
|
532
|
break;
|
|
533
|
}
|
|
534
|
// Work-out how long the octal value is and ajust acording
|
|
535
|
if(strlen($octal_value) == 4) {
|
|
536
|
$position = $position+1;
|
|
537
|
} elseif(strlen($octal_value) != 3) {
|
|
538
|
exit('Error');
|
|
539
|
}
|
|
540
|
// Now work-out what action the script is trying to look-up
|
|
541
|
switch($action) {
|
|
542
|
case 'r':
|
|
543
|
$action = 'r';
|
|
544
|
break;
|
|
545
|
case 'read':
|
|
546
|
$action = 'r';
|
|
547
|
break;
|
|
548
|
case 'w':
|
|
549
|
$action = 'w';
|
|
550
|
break;
|
|
551
|
case 'write':
|
|
552
|
$action = 'w';
|
|
553
|
break;
|
|
554
|
case 'e':
|
|
555
|
$action = 'e';
|
|
556
|
break;
|
|
557
|
case 'execute':
|
|
558
|
$action = 'e';
|
|
559
|
break;
|
|
560
|
}
|
|
561
|
// Get the value for "who"
|
|
562
|
$value = substr($octal_value, $position-1, 1);
|
|
563
|
// Now work-out the details of the value
|
|
564
|
switch($value) {
|
|
565
|
case '0':
|
|
566
|
$r = false;
|
|
567
|
$w = false;
|
|
568
|
$e = false;
|
|
569
|
break;
|
|
570
|
case '1':
|
|
571
|
$r = false;
|
|
572
|
$w = false;
|
|
573
|
$e = true;
|
|
574
|
break;
|
|
575
|
case '2':
|
|
576
|
$r = false;
|
|
577
|
$w = true;
|
|
578
|
$e = false;
|
|
579
|
break;
|
|
580
|
case '3':
|
|
581
|
$r = false;
|
|
582
|
$w = true;
|
|
583
|
$e = true;
|
|
584
|
break;
|
|
585
|
case '4':
|
|
586
|
$r = true;
|
|
587
|
$w = false;
|
|
588
|
$e = false;
|
|
589
|
break;
|
|
590
|
case '5':
|
|
591
|
$r = true;
|
|
592
|
$w = false;
|
|
593
|
$e = true;
|
|
594
|
break;
|
|
595
|
case '6':
|
|
596
|
$r = true;
|
|
597
|
$w = true;
|
|
598
|
$e = false;
|
|
599
|
break;
|
|
600
|
case '7':
|
|
601
|
$r = true;
|
|
602
|
$w = true;
|
|
603
|
$e = true;
|
|
604
|
break;
|
|
605
|
default:
|
|
606
|
$r = false;
|
|
607
|
$w = false;
|
|
608
|
$e = false;
|
|
609
|
}
|
|
610
|
// And finally, return either true or false
|
|
611
|
return $$action;
|
|
612
|
}
|
|
613
|
|
|
614
|
// Function to delete a page
|
|
615
|
function delete_page($page_id) {
|
|
616
|
|
|
617
|
global $admin, $database;
|
|
618
|
|
|
619
|
// Find out more about the page
|
|
620
|
$database = new database();
|
|
621
|
$query = "SELECT page_id,menu_title,page_title,level,link,parent,modified_by,modified_when FROM ".TABLE_PREFIX."pages WHERE page_id = '$page_id'";
|
|
622
|
$results = $database->query($query);
|
|
623
|
if($database->is_error()) {
|
|
624
|
$admin->print_error($database->get_error());
|
|
625
|
}
|
|
626
|
if($results->numRows() == 0) {
|
|
627
|
$admin->print_error($MESSAGE['PAGES']['NOT_FOUND']);
|
|
628
|
}
|
|
629
|
$results_array = $results->fetchRow();
|
|
630
|
$parent = $results_array['parent'];
|
|
631
|
$level = $results_array['level'];
|
|
632
|
$link = $results_array['link'];
|
|
633
|
$page_title = stripslashes($results_array['page_title']);
|
|
634
|
$menu_title = stripslashes($results_array['menu_title']);
|
|
635
|
|
|
636
|
// Get the sections that belong to the page
|
|
637
|
$query_sections = $database->query("SELECT section_id,module FROM ".TABLE_PREFIX."sections WHERE page_id = '$page_id'");
|
|
638
|
if($query_sections->numRows() > 0) {
|
|
639
|
while($section = $query_sections->fetchRow()) {
|
|
640
|
// Set section id
|
|
641
|
$section_id = $section['section_id'];
|
|
642
|
// Include the modules delete file if it exists
|
|
643
|
if(file_exists(WB_PATH.'/modules/'.$section['module'].'/delete.php')) {
|
|
644
|
require(WB_PATH.'/modules/'.$section['module'].'/delete.php');
|
|
645
|
}
|
|
646
|
}
|
|
647
|
}
|
|
648
|
|
|
649
|
// Update the pages table
|
|
650
|
$query = "DELETE FROM ".TABLE_PREFIX."pages WHERE page_id = '$page_id'";
|
|
651
|
$database->query($query);
|
|
652
|
if($database->is_error()) {
|
|
653
|
$admin->print_error($database->get_error());
|
|
654
|
}
|
|
655
|
|
|
656
|
// Update the sections table
|
|
657
|
$query = "DELETE FROM ".TABLE_PREFIX."sections WHERE page_id = '$page_id'";
|
|
658
|
$database->query($query);
|
|
659
|
if($database->is_error()) {
|
|
660
|
$admin->print_error($database->get_error());
|
|
661
|
}
|
|
662
|
|
|
663
|
// Include the ordering class or clean-up ordering
|
|
664
|
require_once(WB_PATH.'/framework/class.order.php');
|
|
665
|
$order = new order(TABLE_PREFIX.'pages', 'position', 'page_id', 'parent');
|
|
666
|
$order->clean($parent);
|
|
667
|
|
|
668
|
// Unlink the page access file and directory
|
|
669
|
$directory = WB_PATH.PAGES_DIRECTORY.$link;
|
|
670
|
$filename = $directory.'.php';
|
|
671
|
$directory .= '/';
|
|
672
|
if(file_exists($filename)) {
|
|
673
|
if(!is_writable(WB_PATH.PAGES_DIRECTORY.'/')) {
|
|
674
|
$admin->print_error($MESSAGE['PAGES']['CANNOT_DELETE_ACCESS_FILE']);
|
|
675
|
} else {
|
|
676
|
unlink($filename);
|
|
677
|
if(file_exists($directory)) {
|
|
678
|
rm_full_dir($directory);
|
|
679
|
}
|
|
680
|
}
|
|
681
|
}
|
|
682
|
|
|
683
|
}
|
|
684
|
|
|
685
|
?>
|