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<?php
/**
* @package JCE
* @copyright Copyright © 2009-2011 Ryan Demmer. All rights reserved.
* @license GNU/GPL 2 or later - http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* JCE is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
*/
defined('_JEXEC') or die('RESTRICTED');
jimport('joomla.filesystem.folder');
jimport('joomla.filesystem.file');
class WFJoomlaFileSystem extends WFFileSystem
{
/**
* Constructor activating the default information of the class
*
* @access protected
*/
function __construct($config = array())
{
parent::__construct($config);
$safe_mode = false;
// check for safe mode
if (function_exists('ini_get')) {
$safe_mode = ini_get('safe_mode');
// assume safe mode if can't check ini
} else {
$safe_mode = true;
}
$chunking = true;
// no chunking in safe_mode or FTP mode or if base dir not writable
if ($safe_mode || $this->isFTP() || !is_writable($this->getBaseDir())) {
$chunking = false;
}
$this->setProperties(array(
'local' => true,
'upload' => array(
'stream' => false,
'chunking' => $chunking,
'unique_filenames' => true
)
));
}
/**
* Get the base directory.
* @return string base dir
*/
function getBaseDir()
{
return WFUtility::makePath(JPATH_SITE, $this->getRootDir());
}
/**
* Get the full base url
* @return string base url
*/
function getBaseURL()
{
return WFUtility::makePath(JURI::root(true), $this->getRootDir());
}
/**
* Return the full user directory path. Create if required
*
* @param string The base path
* @access public
* @return Full path to folder
*/
function getRootDir()
{
static $root;
if (!$root) {
$root = parent::getRootDir();
$wf = WFEditorPlugin::getInstance();
// Restricted Joomla! folders
$restricted = explode(',', $wf->getParam('editor.filesystem.joomla.restrict_dir', 'administrator,cache,components,includes,language,libraries,logs,media,modules,plugins,templates,xmlrpc'));
$allowroot = $wf->getParam('editor.filesystem.joomla.allow_root', 0);
// Revert to default if empty
if (!$root && !$allowroot) {
$root = 'images';
}
// Force default if directory is a joomla directory
$parts = explode('/', $root);
if (in_array(strtolower($parts[0]), $restricted) && !$allowroot) {
$root = 'images';
}
// Create the folder
$full = WFUtility::makePath(JPATH_SITE, $root);
if (!JFolder::exists($full)) {
$this->folderCreate($full);
}
// Fallback
$root = JFolder::exists($full) ? $root : 'images';
}
return $root;
}
/**
* Determine whether FTP mode is enabled
* @return boolean
*/
function isFtp()
{
// Initialize variables
jimport('joomla.client.helper');
$FTPOptions = JClientHelper::getCredentials('ftp');
return $FTPOptions['enabled'] == 1;
}
/**
* Count the number of folders in a given folder
* @return integer Total number of folders
* @param string $path Absolute path to folder
*/
public function countFolders($path)
{
jimport('joomla.filesystem.folder');
$total = 0;
if (strpos($path, $this->getBaseDir()) === false) {
$path = WFUtility::makePath($this->getBaseDir(), $path);
}
if (JFolder::exists($path)) {
$folders = JFolder::folders($path);
return count($folders);
}
return 0;
}
/**
* Count the number of files in a folder
* @return integer File total
* @param string $path Absolute path to folder
*/
public function countFiles($path)
{
jimport('joomla.filesystem.file');
if (strpos($path, $this->getBaseDir()) === false) {
$path = WFUtility::makePath($this->getBaseDir(), $path);
}
if (JFolder::exists($path)) {
$files = JFolder::files($path, '.', false, false, array('index.html', 'thumbs.db'));
return count($files);
}
return 0;
}
function getFolders($relative)
{
$path = WFUtility::makePath($this->getBaseDir(), $relative);
if (!JFolder::exists($path)) {
$relative = '/';
$path = $this->getBaseDir();
}
$list = JFolder::folders($path);
$folders = array();
if (!empty($list)) {
// Sort alphabetically
natcasesort($list);
foreach ($list as $item) {
$item = WFUtility::isUTF8($item) ? $item : utf8_encode($item);
$data = array(
'id' => WFUtility::makePath($relative, $item),
'name' => $item,
'writable' => is_writable(WFUtility::makePath($path, $item)) || $this->isFtp(),
'type' => 'folders'
);
$properties = self::getFolderDetails($data['id']);
$folders[] = array_merge($data, array('properties' => $properties));
}
}
return $folders;
}
function getFiles($relative, $filter = '')
{
$path = WFUtility::makePath($this->getBaseDir(), $relative);
if (!JFolder::exists($path)) {
$relative = '/';
$path = $this->getBaseDir();
}
$list = JFolder::files($path, $filter);
$files = array();
if (!empty($list)) {
// Sort alphabetically
natcasesort($list);
foreach ($list as $item) {
$item = WFUtility::isUTF8($item) ? $item : utf8_encode($item);
$data = array(
'id' => WFUtility::makePath($relative, $item),
'url' => WFUtility::makePath($this->getRootDir(), WFUtility::makePath($relative, $item)),
'name' => $item,
'writable' => is_writable(WFUtility::makePath($path, $item)) || $this->isFtp(),
'type' => 'files'
);
$properties = self::getFileDetails($data['id']);
$files[] = array_merge($data, array('properties' => $properties));
}
}
return $files;
}
/**
* Get a folders properties
*
* @return array Array of properties
* @param string $dir Folder relative path
* @param string $types File Types
*/
function getFolderDetails($dir)
{
clearstatcache();
$path = WFUtility::makePath($this->getBaseDir(), rawurldecode($dir));
$date = @filemtime($path);
return array('modified' => $date);
}
/**
* Get the source directory of a file path
*/
function getSourceDir($path)
{
// return nothing if absolute $path
if (preg_match('#^(file|http(s)?):\/\/#', $path)) {
return '';
}
// remove leading / trailing slash
$path = trim($path, '/');
// directory path relative to base dir
if (is_dir(WFUtility::makePath($this->getBaseDir(), $path))) {
return $path;
}
// relative url to file
if (is_file(WFUtility::makePath(JPATH_SITE, $path))) {
return substr(dirname($path), strlen($this->getRootDir()));
}
return '';
}
function isMatch($needle, $haystack)
{
return $needle == $haystack;
}
/**
* Return constituent parts of a file path eg: base directory, file name
* @param $path Relative or absolute path
*/
function pathinfo($path)
{
return pathinfo($path);
}
/**
* Get a files properties
*
* @return array Array of properties
* @param string $file File relative path
*/
function getFileDetails($file)
{
clearstatcache();
$path = WFUtility::makePath($this->getBaseDir(), rawurldecode($file));
$url = WFUtility::makePath($this->getBaseUrl(), rawurldecode($file));
$date = @filemtime($path);
$size = @filesize($path);
$data = array(
'size' => $size,
'modified' => $date
);
if (preg_match('#\.(jpg|jpeg|bmp|gif|tiff|png)#i', $file)) {
$props = @getimagesize($path);
/*if (preg_match('#\.(jpg|jpeg|tiff)#i', $file)) {
$data = exif_read_data($path, 'IDF0', true, false);
if ($data !== false) {
$idf = isset($data['IDF0']) ? $data['IDF0'] : array();
$exif = isset($data['EXIF']) ? $data['EXIF'] : array();
$data = array_merge($idf, $exif);
}
}*/
$width = $props[0];
$height = $props[1];
$image = array(
'width' => $width,
'height' => $height,
'preview' => $url
);
return array_merge_recursive($data, $image);
}
return $data;
}
/**
* Delete the relative file(s).
* @param $files the relative path to the file name or comma seperated list of multiple paths.
* @return string $error on failure.
*/
function delete($src)
{
$path = WFUtility::makePath($this->getBaseDir(), $src);
// get error class
$result = new WFFileSystemResult();
$path = WFUtility::makePath($this->getBaseDir(), $src);
if (is_file($path)) {
$result->type = 'files';
$result->state = JFile::delete($path);
} else if (is_dir($path)) {
$result->type = 'folders';
if ($this->countFiles($path) > 0 || $this->countFolders($path) > 0) {
$result->message = JText::sprintf('WF_MANAGER_FOLDER_NOT_EMPTY', basename($path));
} else {
$result->state = JFolder::delete($path);
}
}
return $result;
}
/**
* Rename a file.
* @param string $src The relative path of the source file
* @param string $dest The name of the new file
* @return string $error
*/
function rename($src, $dest)
{
$src = WFUtility::makePath($this->getBaseDir(), rawurldecode($src));
$dir = dirname($src);
$result = new WFFileSystemResult();
if (is_file($src)) {
$ext = JFile::getExt($src);
$file = $dest . '.' .$ext;
$path = WFUtility::makePath($dir, $file);
$result->type = 'files';
$result->state = JFile::move($src, $path);
$result->path = $path;
} else if (is_dir($src)) {
$path = WFUtility::makePath($dir, $dest);
$result->type = 'folders';
$result->state = JFolder::move($src, $path);
$result->path = $path;
}
return $result;
}
/**
* Copy a file.
* @param string $files The relative file or comma seperated list of files
* @param string $dest The relative path of the destination dir
* @return string $error on failure
*/
function copy($file, $destination)
{
$result = new WFFileSystemResult();
$src = WFUtility::makePath($this->getBaseDir(), $file);
$dest = WFUtility::makePath($this->getBaseDir(), WFUtility::makePath($destination, basename($file)));
// src is a file
if (is_file($src)) {
$result->type = 'files';
$result->state = JFile::copy($src, $dest);
} else if (is_dir($src)) {
// Folders cannot be copied into themselves as this creates an infinite copy / paste loop
if ($file === $destination) {
$result->state = false;
$result->message = WFText::_('WF_MANAGER_COPY_INTO_ERROR');
}
$result->type = 'folders';
$result->state = JFolder::copy($src, $dest);
$result->path = $dest;
}
return $result;
}
/**
* Copy a file.
* @param string $files The relative file or comma seperated list of files
* @param string $dest The relative path of the destination dir
* @return string $error on failure
*/
function move($file, $destination)
{
$result = new WFFileSystemResult();
$src = WFUtility::makePath($this->getBaseDir(), $file);
$dest = WFUtility::makePath($this->getBaseDir(), WFUtility::makePath($destination, basename($file)));
if ($src != $dest) {
// src is a file
if (is_file($src)) {
$result->type = 'files';
$result->state = JFile::move($src, $dest);
} else if (is_dir($src)) {
$result->type = 'folders';
$result->state = JFolder::move($src, $dest);
$result->path = $dest;
}
}
return $result;
}
/**
* New folder base function. A wrapper for the JFolder::create function
* @param string $folder The folder to create
* @return boolean true on success
*/
function folderCreate($folder)
{
if (@JFolder::create($folder)) {
$buffer = '<html><body bgcolor="#FFFFFF"></body></html>';
JFile::write($folder . DS . 'index.html', $buffer);
} else {
return false;
}
return true;
}
/**
* New folder
* @param string $dir The base dir
* @param string $new_dir The folder to be created
* @return string $error on failure
*/
function createFolder($dir, $new)
{
$dir = WFUtility::makePath(rawurldecode($dir), $new);
$path = WFUtility::makePath($this->getBaseDir(), $dir);
$result = new WFFileSystemResult();
$result->state = $this->folderCreate($path);
return $result;
}
function getDimensions($file)
{
$path = WFUtility::makePath($this->getBaseDir(), utf8_decode(rawurldecode($file)));
$data = array(
'width' => '',
'height' => ''
);
if (file_exists($path)) {
$dim = @getimagesize($path);
$data = array(
'width' => $dim[0],
'height' => $dim[1]
);
}
return $data;
}
function upload($method, $src, $dir, $name, $chunks = 1, $chunk = 0)
{
jimport('joomla.filesystem.file');
$path = WFUtility::makePath($this->getBaseDir(), rawurldecode($dir));
$dest = WFUtility::makePath($path, $name);
// check for safe mode
$safe_mode = false;
if (function_exists('ini_get')) {
$safe_mode = ini_get('safe_mode');
} else {
$safe_mode = true;
}
$result = new WFFileSystemResult();
// get overwrite state
$conflict = $this->get('upload_conflict', 'overwrite');
// get suffix
$suffix = WFFileBrowser::getFileSuffix();
switch($method) {
case 'multipart' :
if ($conflict == 'unique') {
// get extension
$extension = JFile::getExt($name);
// get name without extension
$name = JFile::stripExt($name);
while (JFile::exists($dest)) {
$name .= $suffix;
$dest = WFUtility::makePath($path, $name.'.'.$extension);
}
}
if (JFile::upload($src, $dest)) {
$result->state = true;
$result->path = $dest;
}
break;
case 'multipart-chunking' :
if ($safe_mode || !is_writable(dirname($dest))) {
$result->message = WFText::_('WF_MANAGER_UPLOAD_NOSUPPORT');
$result->code = 103;
} else {
if ($chunk == 0 && $overwrite) {
// get extension
$extension = JFile::getExt($name);
// get name without extension
$name = JFile::stripExt($name);
// make unique file name
while (JFile::exists($dest)) {
$name .= $suffix;
$dest = WFUtility::makePath($path, $name.'.'.$extension);
}
}
$out = fopen($dest, $chunk == 0 ? "wb" : "ab");
if ($out) {
// Read binary input stream and append it to temp file
$in = fopen($src, "rb");
if ($in) {
while ($buff = fread($in, 4096)) {
fwrite($out, $buff);
}
fclose($in);
fclose($out);
@unlink($src);
$result->state = true;
if ($chunk == $chunks - 1) {
if (is_file($dest)) {
$result->path = $dest;
}
}
} else {
$result->code = 102;
$result->message = 'UPLOAD_INPUT_STREAM_ERROR';
}
} else {
$result->code = 102;
$result->message = 'UPLOAD_OUTPUT_STREAM_ERROR';
}
}
break;
case 'stream' :
if ($safe_mode || !is_writable(dirname($dest))) {
$result->message = WFText::_('WF_MANAGER_UPLOAD_NOSUPPORT');
} else {
// Open destination file
$out = fopen($dest, $chunk == 0 ? "wb" : "ab");
if ($out) {
// Read binary input stream and append it to temp file
$in = fopen("php://input", "rb");
if ($in) {
while ($buff = fread($in, 4096)) {
fwrite($out, $buff);
}
if (fclose($out) && is_file($dest)) {
$result->state = true;
$result->path = $dest;
}
}
}
}
break;
}
return $result;
}
function exists($path)
{
$path = JPath::clean(WFUtility::makePath($this->getBaseDir(), rawurldecode($path)));
return is_dir($path) || is_file($path);
}
function read($file)
{
$path = WFUtility::makePath($this->getBaseDir(), rawurldecode($file));
return JFile::read($path);
}
function write($file, $content)
{
$path = WFUtility::makePath($this->getBaseDir(), rawurldecode($file));
return JFile::write($path, $content);
}
}