835 lines
22 KiB
PHP
Executable file
835 lines
22 KiB
PHP
Executable file
<?php
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/**
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* elFinder driver for local filesystem.
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*
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* @author Dmitry (dio) Levashov
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* @author Troex Nevelin
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**/
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class elFinderVolumeLocalFileSystem extends elFinderVolumeDriver {
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/**
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* Driver id
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* Must be started from letter and contains [a-z0-9]
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* Used as part of volume id
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*
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* @var string
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**/
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protected $driverId = 'l';
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/**
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* Required to count total archive files size
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*
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* @var int
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**/
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protected $archiveSize = 0;
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/**
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* Constructor
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* Extend options with required fields
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*
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* @return void
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* @author Dmitry (dio) Levashov
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**/
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public function __construct() {
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$this->options['alias'] = ''; // alias to replace root dir name
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$this->options['dirMode'] = 0755; // new dirs mode
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$this->options['fileMode'] = 0644; // new files mode
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$this->options['quarantine'] = '.quarantine'; // quarantine folder name - required to check archive (must be hidden)
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$this->options['maxArcFilesSize'] = 0; // max allowed archive files size (0 - no limit)
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}
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/*********************************************************************/
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/* INIT AND CONFIGURE */
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/*********************************************************************/
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/**
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* Configure after successfull mount.
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*
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* @return void
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* @author Dmitry (dio) Levashov
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**/
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protected function configure() {
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$this->aroot = realpath($this->root);
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$root = $this->stat($this->root);
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if ($this->options['quarantine']) {
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$this->attributes[] = array(
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'pattern' => '~^'.preg_quote(DIRECTORY_SEPARATOR.$this->options['quarantine']).'$~',
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'read' => false,
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'write' => false,
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'locked' => true,
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'hidden' => true
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);
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}
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// chek thumbnails path
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if ($this->options['tmbPath']) {
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$this->options['tmbPath'] = strpos($this->options['tmbPath'], DIRECTORY_SEPARATOR) === false
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// tmb path set as dirname under root dir
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? $this->root.DIRECTORY_SEPARATOR.$this->options['tmbPath']
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// tmb path as full path
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: $this->_normpath($this->options['tmbPath']);
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}
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parent::configure();
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// if no thumbnails url - try detect it
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if ($root['read'] && !$this->tmbURL && $this->URL) {
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if (strpos($this->tmbPath, $this->root) === 0) {
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$this->tmbURL = $this->URL.str_replace(DIRECTORY_SEPARATOR, '/', substr($this->tmbPath, strlen($this->root)+1));
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if (preg_match("|[^/?&=]$|", $this->tmbURL)) {
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$this->tmbURL .= '/';
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}
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}
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}
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// check quarantine dir
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if (!empty($this->options['quarantine'])) {
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$this->quarantine = $this->root.DIRECTORY_SEPARATOR.$this->options['quarantine'];
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if ((!is_dir($this->quarantine) && !$this->_mkdir($this->root, $this->options['quarantine'])) || !is_writable($this->quarantine)) {
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$this->archivers['extract'] = array();
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$this->disabled[] = 'extract';
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}
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} else {
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$this->archivers['extract'] = array();
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$this->disabled[] = 'extract';
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}
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}
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/*********************************************************************/
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/* FS API */
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/*********************************************************************/
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/*********************** paths/urls *************************/
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/**
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* Return parent directory path
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*
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* @param string $path file path
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* @return string
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* @author Dmitry (dio) Levashov
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**/
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protected function _dirname($path) {
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return dirname($path);
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}
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/**
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* Return file name
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*
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* @param string $path file path
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* @return string
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* @author Dmitry (dio) Levashov
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**/
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protected function _basename($path) {
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return basename($path);
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}
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/**
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* Join dir name and file name and retur full path
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*
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* @param string $dir
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* @param string $name
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* @return string
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* @author Dmitry (dio) Levashov
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**/
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protected function _joinPath($dir, $name) {
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return $dir.DIRECTORY_SEPARATOR.$name;
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}
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/**
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* Return normalized path, this works the same as os.path.normpath() in Python
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*
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* @param string $path path
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* @return string
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* @author Troex Nevelin
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**/
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protected function _normpath($path) {
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if (empty($path)) {
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return '.';
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}
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if (strpos($path, '/') === 0) {
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$initial_slashes = true;
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} else {
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$initial_slashes = false;
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}
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if (($initial_slashes)
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&& (strpos($path, '//') === 0)
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&& (strpos($path, '///') === false)) {
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$initial_slashes = 2;
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}
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$initial_slashes = (int) $initial_slashes;
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$comps = explode('/', $path);
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$new_comps = array();
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foreach ($comps as $comp) {
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if (in_array($comp, array('', '.'))) {
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continue;
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}
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if (($comp != '..')
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|| (!$initial_slashes && !$new_comps)
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|| ($new_comps && (end($new_comps) == '..'))) {
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array_push($new_comps, $comp);
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} elseif ($new_comps) {
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array_pop($new_comps);
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}
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}
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$comps = $new_comps;
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$path = implode('/', $comps);
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if ($initial_slashes) {
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$path = str_repeat('/', $initial_slashes) . $path;
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}
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return $path ? $path : '.';
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}
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/**
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* Return file path related to root dir
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*
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* @param string $path file path
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* @return string
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* @author Dmitry (dio) Levashov
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**/
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protected function _relpath($path) {
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return $path == $this->root ? '' : substr($path, strlen($this->root)+1);
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}
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/**
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* Convert path related to root dir into real path
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*
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* @param string $path file path
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* @return string
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* @author Dmitry (dio) Levashov
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**/
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protected function _abspath($path) {
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return $path == DIRECTORY_SEPARATOR ? $this->root : $this->root.DIRECTORY_SEPARATOR.$path;
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}
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/**
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* Return fake path started from root dir
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*
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* @param string $path file path
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* @return string
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* @author Dmitry (dio) Levashov
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**/
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protected function _path($path) {
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return $this->rootName.($path == $this->root ? '' : $this->separator.$this->_relpath($path));
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}
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/**
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* Return true if $path is children of $parent
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*
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* @param string $path path to check
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* @param string $parent parent path
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* @return bool
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* @author Dmitry (dio) Levashov
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**/
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protected function _inpath($path, $parent) {
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return $path == $parent || strpos($path, $parent.DIRECTORY_SEPARATOR) === 0;
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}
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/***************** file stat ********************/
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/**
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* Return stat for given path.
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* Stat contains following fields:
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* - (int) size file size in b. required
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* - (int) ts file modification time in unix time. required
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* - (string) mime mimetype. required for folders, others - optionally
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* - (bool) read read permissions. required
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* - (bool) write write permissions. required
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* - (bool) locked is object locked. optionally
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* - (bool) hidden is object hidden. optionally
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* - (string) alias for symlinks - link target path relative to root path. optionally
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* - (string) target for symlinks - link target path. optionally
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*
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* If file does not exists - returns empty array or false.
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*
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* @param string $path file path
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* @return array|false
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* @author Dmitry (dio) Levashov
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**/
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protected function _stat($path) {
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$stat = array();
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if (!file_exists($path)) {
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return $stat;
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}
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if ($path != $this->root && is_link($path)) {
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if (($target = $this->readlink($path)) == false
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|| $target == $path) {
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$stat['mime'] = 'symlink-broken';
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$stat['read'] = false;
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$stat['write'] = false;
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$stat['size'] = 0;
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return $stat;
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}
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$stat['alias'] = $this->_path($target);
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$stat['target'] = $target;
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$path = $target;
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$lstat = lstat($path);
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$size = $lstat['size'];
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} else {
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$size = @filesize($path);
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}
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$dir = is_dir($path);
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$stat['mime'] = $dir ? 'directory' : $this->mimetype($path);
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$stat['ts'] = filemtime($path);
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$stat['read'] = is_readable($path);
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$stat['write'] = is_writable($path);
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if ($stat['read']) {
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$stat['size'] = $dir ? 0 : $size;
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}
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return $stat;
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}
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/**
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* Return true if path is dir and has at least one childs directory
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*
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* @param string $path dir path
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* @return bool
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* @author Dmitry (dio) Levashov
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**/
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protected function _subdirs($path) {
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if (($dir = dir($path))) {
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$dir = dir($path);
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while (($entry = $dir->read()) !== false) {
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$p = $dir->path.DIRECTORY_SEPARATOR.$entry;
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if ($entry != '.' && $entry != '..' && is_dir($p) && !$this->attr($p, 'hidden')) {
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$dir->close();
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return true;
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}
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}
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$dir->close();
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}
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return false;
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}
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/**
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* Return object width and height
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* Ususaly used for images, but can be realize for video etc...
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*
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* @param string $path file path
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* @param string $mime file mime type
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* @return string
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* @author Dmitry (dio) Levashov
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**/
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protected function _dimensions($path, $mime) {
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clearstatcache();
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return strpos($mime, 'image') === 0 && ($s = @getimagesize($path)) !== false
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? $s[0].'x'.$s[1]
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: false;
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}
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/******************** file/dir content *********************/
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/**
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* Return symlink target file
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*
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* @param string $path link path
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* @return string
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* @author Dmitry (dio) Levashov
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**/
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protected function readlink($path) {
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if (!($target = @readlink($path))) {
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return false;
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}
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if (substr($target, 0, 1) != DIRECTORY_SEPARATOR) {
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$target = dirname($path).DIRECTORY_SEPARATOR.$target;
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}
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$atarget = realpath($target);
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if (!$atarget) {
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return false;
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}
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$root = $this->root;
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$aroot = $this->aroot;
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if ($this->_inpath($atarget, $this->aroot)) {
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return $this->_normpath($this->root.DIRECTORY_SEPARATOR.substr($atarget, strlen($this->aroot)+1));
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}
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return false;
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}
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/**
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* Return files list in directory.
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*
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* @param string $path dir path
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* @return array
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* @author Dmitry (dio) Levashov
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**/
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protected function _scandir($path) {
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$files = array();
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foreach (scandir($path) as $name) {
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if ($name != '.' && $name != '..') {
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$files[] = $path.DIRECTORY_SEPARATOR.$name;
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}
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}
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return $files;
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}
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/**
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* Open file and return file pointer
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*
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* @param string $path file path
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* @param bool $write open file for writing
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* @return resource|false
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* @author Dmitry (dio) Levashov
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**/
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protected function _fopen($path, $mode='rb') {
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return @fopen($path, 'r');
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}
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/**
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* Close opened file
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*
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* @param resource $fp file pointer
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* @return bool
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* @author Dmitry (dio) Levashov
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**/
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protected function _fclose($fp, $path='') {
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return @fclose($fp);
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}
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/******************** file/dir manipulations *************************/
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/**
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* Create dir and return created dir path or false on failed
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*
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* @param string $path parent dir path
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* @param string $name new directory name
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* @return string|bool
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* @author Dmitry (dio) Levashov
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**/
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protected function _mkdir($path, $name) {
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$path = $path.DIRECTORY_SEPARATOR.$name;
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if (@mkdir($path)) {
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@chmod($path, $this->options['dirMode']);
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return $path;
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}
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return false;
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}
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/**
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* Create file and return it's path or false on failed
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*
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* @param string $path parent dir path
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* @param string $name new file name
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* @return string|bool
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* @author Dmitry (dio) Levashov
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**/
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protected function _mkfile($path, $name) {
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$path = $path.DIRECTORY_SEPARATOR.$name;
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if (($fp = @fopen($path, 'w'))) {
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@fclose($fp);
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@chmod($path, $this->options['fileMode']);
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return $path;
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}
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return false;
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}
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/**
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* Create symlink
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*
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* @param string $source file to link to
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* @param string $targetDir folder to create link in
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* @param string $name symlink name
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* @return bool
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* @author Dmitry (dio) Levashov
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**/
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protected function _symlink($source, $targetDir, $name) {
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return @symlink($source, $targetDir.DIRECTORY_SEPARATOR.$name);
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}
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/**
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* Copy file into another file
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*
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* @param string $source source file path
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* @param string $targetDir target directory path
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* @param string $name new file name
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* @return bool
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* @author Dmitry (dio) Levashov
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**/
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protected function _copy($source, $targetDir, $name) {
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return copy($source, $targetDir.DIRECTORY_SEPARATOR.$name);
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}
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/**
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* Move file into another parent dir.
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* Return new file path or false.
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*
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* @param string $source source file path
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* @param string $target target dir path
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* @param string $name file name
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* @return string|bool
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* @author Dmitry (dio) Levashov
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**/
|
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protected function _move($source, $targetDir, $name) {
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$target = $targetDir.DIRECTORY_SEPARATOR.$name;
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return @rename($source, $target) ? $target : false;
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}
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|
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/**
|
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* Remove file
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*
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* @param string $path file path
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* @return bool
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* @author Dmitry (dio) Levashov
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**/
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protected function _unlink($path) {
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return @unlink($path);
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}
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|
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/**
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* Remove dir
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*
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* @param string $path dir path
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* @return bool
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* @author Dmitry (dio) Levashov
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**/
|
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protected function _rmdir($path) {
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return @rmdir($path);
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}
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|
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/**
|
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* Create new file and write into it from file pointer.
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* Return new file path or false on error.
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*
|
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* @param resource $fp file pointer
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* @param string $dir target dir path
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* @param string $name file name
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* @return bool|string
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* @author Dmitry (dio) Levashov
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**/
|
|
protected function _save($fp, $dir, $name, $mime, $w, $h) {
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$path = $dir.DIRECTORY_SEPARATOR.$name;
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if (!($target = @fopen($path, 'wb'))) {
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return false;
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}
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|
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while (!feof($fp)) {
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fwrite($target, fread($fp, 8192));
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}
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fclose($target);
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@chmod($path, $this->options['fileMode']);
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clearstatcache();
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return $path;
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}
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/**
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* Get file contents
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*
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* @param string $path file path
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* @return string|false
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* @author Dmitry (dio) Levashov
|
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**/
|
|
protected function _getContents($path) {
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return file_get_contents($path);
|
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}
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|
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/**
|
|
* Write a string to a file
|
|
*
|
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* @param string $path file path
|
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* @param string $content new file content
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* @return bool
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* @author Dmitry (dio) Levashov
|
|
**/
|
|
protected function _filePutContents($path, $content) {
|
|
if (@file_put_contents($path, $content, LOCK_EX) !== false) {
|
|
clearstatcache();
|
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return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Detect available archivers
|
|
*
|
|
* @return void
|
|
**/
|
|
protected function _checkArchivers() {
|
|
if (!function_exists('exec')) {
|
|
$this->options['archivers'] = $this->options['archive'] = array();
|
|
return;
|
|
}
|
|
$arcs = array(
|
|
'create' => array(),
|
|
'extract' => array()
|
|
);
|
|
|
|
//exec('tar --version', $o, $ctar);
|
|
$this->procExec('tar --version', $o, $ctar);
|
|
|
|
if ($ctar == 0) {
|
|
$arcs['create']['application/x-tar'] = array('cmd' => 'tar', 'argc' => '-cf', 'ext' => 'tar');
|
|
$arcs['extract']['application/x-tar'] = array('cmd' => 'tar', 'argc' => '-xf', 'ext' => 'tar');
|
|
//$test = exec('gzip --version', $o, $c);
|
|
unset($o);
|
|
$test = $this->procExec('gzip --version', $o, $c);
|
|
|
|
if ($c == 0) {
|
|
$arcs['create']['application/x-gzip'] = array('cmd' => 'tar', 'argc' => '-czf', 'ext' => 'tgz');
|
|
$arcs['extract']['application/x-gzip'] = array('cmd' => 'tar', 'argc' => '-xzf', 'ext' => 'tgz');
|
|
}
|
|
unset($o);
|
|
//$test = exec('bzip2 --version', $o, $c);
|
|
$test = $this->procExec('bzip2 --version', $o, $c);
|
|
if ($c == 0) {
|
|
$arcs['create']['application/x-bzip2'] = array('cmd' => 'tar', 'argc' => '-cjf', 'ext' => 'tbz');
|
|
$arcs['extract']['application/x-bzip2'] = array('cmd' => 'tar', 'argc' => '-xjf', 'ext' => 'tbz');
|
|
}
|
|
}
|
|
unset($o);
|
|
//exec('zip --version', $o, $c);
|
|
$this->procExec('zip -v', $o, $c);
|
|
if ($c == 0) {
|
|
$arcs['create']['application/zip'] = array('cmd' => 'zip', 'argc' => '-r9', 'ext' => 'zip');
|
|
}
|
|
unset($o);
|
|
$this->procExec('unzip --help', $o, $c);
|
|
if ($c == 0) {
|
|
$arcs['extract']['application/zip'] = array('cmd' => 'unzip', 'argc' => '', 'ext' => 'zip');
|
|
}
|
|
unset($o);
|
|
//exec('rar --version', $o, $c);
|
|
$this->procExec('rar --version', $o, $c);
|
|
if ($c == 0 || $c == 7) {
|
|
$arcs['create']['application/x-rar'] = array('cmd' => 'rar', 'argc' => 'a -inul', 'ext' => 'rar');
|
|
$arcs['extract']['application/x-rar'] = array('cmd' => 'rar', 'argc' => 'x -y', 'ext' => 'rar');
|
|
} else {
|
|
unset($o);
|
|
//$test = exec('unrar', $o, $c);
|
|
$test = $this->procExec('unrar', $o, $c);
|
|
if ($c==0 || $c == 7) {
|
|
$arcs['extract']['application/x-rar'] = array('cmd' => 'unrar', 'argc' => 'x -y', 'ext' => 'rar');
|
|
}
|
|
}
|
|
unset($o);
|
|
//exec('7za --help', $o, $c);
|
|
$this->procExec('7za --help', $o, $c);
|
|
if ($c == 0) {
|
|
$arcs['create']['application/x-7z-compressed'] = array('cmd' => '7za', 'argc' => 'a', 'ext' => '7z');
|
|
$arcs['extract']['application/x-7z-compressed'] = array('cmd' => '7za', 'argc' => 'e -y', 'ext' => '7z');
|
|
|
|
if (empty($arcs['create']['application/x-gzip'])) {
|
|
$arcs['create']['application/x-gzip'] = array('cmd' => '7za', 'argc' => 'a -tgzip', 'ext' => 'tar.gz');
|
|
}
|
|
if (empty($arcs['extract']['application/x-gzip'])) {
|
|
$arcs['extract']['application/x-gzip'] = array('cmd' => '7za', 'argc' => 'e -tgzip -y', 'ext' => 'tar.gz');
|
|
}
|
|
if (empty($arcs['create']['application/x-bzip2'])) {
|
|
$arcs['create']['application/x-bzip2'] = array('cmd' => '7za', 'argc' => 'a -tbzip2', 'ext' => 'tar.bz');
|
|
}
|
|
if (empty($arcs['extract']['application/x-bzip2'])) {
|
|
$arcs['extract']['application/x-bzip2'] = array('cmd' => '7za', 'argc' => 'a -tbzip2 -y', 'ext' => 'tar.bz');
|
|
}
|
|
if (empty($arcs['create']['application/zip'])) {
|
|
$arcs['create']['application/zip'] = array('cmd' => '7za', 'argc' => 'a -tzip -l', 'ext' => 'zip');
|
|
}
|
|
if (empty($arcs['extract']['application/zip'])) {
|
|
$arcs['extract']['application/zip'] = array('cmd' => '7za', 'argc' => 'e -tzip -y', 'ext' => 'zip');
|
|
}
|
|
if (empty($arcs['create']['application/x-tar'])) {
|
|
$arcs['create']['application/x-tar'] = array('cmd' => '7za', 'argc' => 'a -ttar -l', 'ext' => 'tar');
|
|
}
|
|
if (empty($arcs['extract']['application/x-tar'])) {
|
|
$arcs['extract']['application/x-tar'] = array('cmd' => '7za', 'argc' => 'e -ttar -y', 'ext' => 'tar');
|
|
}
|
|
}
|
|
|
|
$this->archivers = $arcs;
|
|
}
|
|
|
|
/**
|
|
* Unpack archive
|
|
*
|
|
* @param string $path archive path
|
|
* @param array $arc archiver command and arguments (same as in $this->archivers)
|
|
* @return void
|
|
* @author Dmitry (dio) Levashov
|
|
* @author Alexey Sukhotin
|
|
**/
|
|
protected function _unpack($path, $arc) {
|
|
$cwd = getcwd();
|
|
$dir = $this->_dirname($path);
|
|
chdir($dir);
|
|
$cmd = $arc['cmd'].' '.$arc['argc'].' '.escapeshellarg($this->_basename($path));
|
|
$this->procExec($cmd, $o, $c);
|
|
chdir($cwd);
|
|
}
|
|
|
|
/**
|
|
* Recursive symlinks search
|
|
*
|
|
* @param string $path file/dir path
|
|
* @return bool
|
|
* @author Dmitry (dio) Levashov
|
|
**/
|
|
protected function _findSymlinks($path) {
|
|
if (is_link($path)) {
|
|
return true;
|
|
}
|
|
|
|
if (is_dir($path)) {
|
|
foreach (scandir($path) as $name) {
|
|
if ($name != '.' && $name != '..') {
|
|
$p = $path.DIRECTORY_SEPARATOR.$name;
|
|
if (is_link($p)) {
|
|
return true;
|
|
}
|
|
if (is_dir($p) && $this->_findSymlinks($p)) {
|
|
return true;
|
|
} elseif (is_file($p)) {
|
|
$this->archiveSize += filesize($p);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
$this->archiveSize += filesize($path);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Extract files from archive
|
|
*
|
|
* @param string $path archive path
|
|
* @param array $arc archiver command and arguments (same as in $this->archivers)
|
|
* @return true
|
|
* @author Dmitry (dio) Levashov,
|
|
* @author Alexey Sukhotin
|
|
**/
|
|
protected function _extract($path, $arc) {
|
|
|
|
if ($this->quarantine) {
|
|
$dir = $this->quarantine.DIRECTORY_SEPARATOR.str_replace(' ', '_', microtime()).basename($path);
|
|
$archive = $dir.DIRECTORY_SEPARATOR.basename($path);
|
|
|
|
if (!@mkdir($dir)) {
|
|
return false;
|
|
}
|
|
|
|
chmod($dir, 0777);
|
|
|
|
// copy in quarantine
|
|
if (!copy($path, $archive)) {
|
|
return false;
|
|
}
|
|
|
|
// extract in quarantine
|
|
$this->_unpack($archive, $arc);
|
|
@unlink($archive);
|
|
|
|
// get files list
|
|
$ls = array();
|
|
foreach (scandir($dir) as $i => $name) {
|
|
if ($name != '.' && $name != '..') {
|
|
$ls[] = $name;
|
|
}
|
|
}
|
|
|
|
// no files - extract error ?
|
|
if (empty($ls)) {
|
|
return false;
|
|
}
|
|
|
|
$this->archiveSize = 0;
|
|
|
|
// find symlinks
|
|
$symlinks = $this->_findSymlinks($dir);
|
|
// remove arc copy
|
|
$this->remove($dir);
|
|
|
|
if ($symlinks) {
|
|
return $this->setError(elFinder::ERROR_ARC_SYMLINKS);
|
|
}
|
|
|
|
// check max files size
|
|
if ($this->options['maxArcFilesSize'] > 0 && $this->options['maxArcFilesSize'] < $this->archiveSize) {
|
|
return $this->setError(elFinder::ERROR_ARC_MAXSIZE);
|
|
}
|
|
|
|
|
|
|
|
// archive contains one item - extract in archive dir
|
|
if (count($ls) == 1) {
|
|
$this->_unpack($path, $arc);
|
|
$result = dirname($path).DIRECTORY_SEPARATOR.$ls[0];
|
|
|
|
|
|
} else {
|
|
// for several files - create new directory
|
|
// create unique name for directory
|
|
$name = basename($path);
|
|
if (preg_match('/\.((tar\.(gz|bz|bz2|z|lzo))|cpio\.gz|ps\.gz|xcf\.(gz|bz2)|[a-z0-9]{1,4})$/i', $name, $m)) {
|
|
$name = substr($name, 0, strlen($name)-strlen($m[0]));
|
|
}
|
|
$test = dirname($path).DIRECTORY_SEPARATOR.$name;
|
|
if (file_exists($test) || is_link($test)) {
|
|
$name = $this->uniqueName(dirname($path), $name, '-', false);
|
|
}
|
|
|
|
$result = dirname($path).DIRECTORY_SEPARATOR.$name;
|
|
$archive = $result.DIRECTORY_SEPARATOR.basename($path);
|
|
|
|
if (!$this->_mkdir(dirname($path), $name) || !copy($path, $archive)) {
|
|
return false;
|
|
}
|
|
|
|
$this->_unpack($archive, $arc);
|
|
@unlink($archive);
|
|
}
|
|
|
|
return file_exists($result) ? $result : false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create archive and return its path
|
|
*
|
|
* @param string $dir target dir
|
|
* @param array $files files names list
|
|
* @param string $name archive name
|
|
* @param array $arc archiver options
|
|
* @return string|bool
|
|
* @author Dmitry (dio) Levashov,
|
|
* @author Alexey Sukhotin
|
|
**/
|
|
protected function _archive($dir, $files, $name, $arc) {
|
|
$cwd = getcwd();
|
|
chdir($dir);
|
|
|
|
$files = array_map('escapeshellarg', $files);
|
|
|
|
$cmd = $arc['cmd'].' '.$arc['argc'].' '.escapeshellarg($name).' '.implode(' ', $files);
|
|
$this->procExec($cmd, $o, $c);
|
|
chdir($cwd);
|
|
|
|
$path = $dir.DIRECTORY_SEPARATOR.$name;
|
|
return file_exists($path) ? $path : false;
|
|
}
|
|
|
|
} // END class
|