File manager

#js&llgkk* File manager

File manager - Edit - /home/karenpetzb/www/js/elfinder/php/elFinderVolumeLocalFileSystem.class.php

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<?php /** * elFinder driver for local filesystem. * * @author Dmitry (dio) Levashov * @author Troex Nevelin / class elFinderVolumeLocalFileSystem extends elFinderVolumeDriver { / * Driver id * Must be started from letter and contains [a-z0-9] * Used as part of volume id * * @var string / protected $driverId = 'l'; / * Required to count total archive files size * * @var int / protected $archiveSize = 0; / * Constructor * Extend options with required fields * * @return void * @author Dmitry (dio) Levashov / public function __construct() { $this->options['alias'] = ''; // alias to replace root dir name $this->options['dirMode'] = 0755; // new dirs mode $this->options['fileMode'] = 0644; // new files mode $this->options['quarantine'] = '.quarantine'; // quarantine folder name - required to check archive (must be hidden) $this->options['maxArcFilesSize'] = 0; // max allowed archive files size (0 - no limit) } /******************************************************************/ / INIT AND CONFIGURE / /******************************************************************/ / * Configure after successfull mount. * * @return void * @author Dmitry (dio) Levashov / protected function configure() { $this->aroot = realpath($this->root); $root = $this->stat($this->root); if ($this->options['quarantine']) { $this->attributes[] = array( 'pattern' => '~^'.preg_quote(DIRECTORY_SEPARATOR.$this->options['quarantine']).'$~', 'read' => false, 'write' => false, 'locked' => true, 'hidden' => true ); } // chek thumbnails path if ($this->options['tmbPath']) { $this->options['tmbPath'] = strpos($this->options['tmbPath'], DIRECTORY_SEPARATOR) === false // tmb path set as dirname under root dir ? $this->root.DIRECTORY_SEPARATOR.$this->options['tmbPath'] // tmb path as full path : $this->_normpath($this->options['tmbPath']); } parent::configure(); // if no thumbnails url - try detect it if ($root['read'] && !$this->tmbURL && $this->URL) { if (strpos($this->tmbPath, $this->root) === 0) { $this->tmbURL = $this->URL.str_replace(DIRECTORY_SEPARATOR, '/', substr($this->tmbPath, strlen($this->root)+1)); if (preg_match("\|[^/?&=]$\|", $this->tmbURL)) { $this->tmbURL .= '/'; } } } // check quarantine dir if (!empty($this->options['quarantine'])) { $this->quarantine = $this->root.DIRECTORY_SEPARATOR.$this->options['quarantine']; if ((!is_dir($this->quarantine) && !$this->_mkdir($this->root, $this->options['quarantine'])) \|\| !is_writable($this->quarantine)) { $this->archivers['extract'] = array(); $this->disabled[] = 'extract'; } } else { $this->archivers['extract'] = array(); $this->disabled[] = 'extract'; } } /******************************************************************/ / FS API / /******************************************************************/ /******************* paths/urls *********************/ / * Return parent directory path * * @param string $path file path * @return string * @author Dmitry (dio) Levashov / protected function _dirname($path) { return dirname($path); } / * Return file name * * @param string $path file path * @return string * @author Dmitry (dio) Levashov / protected function _basename($path) { return basename($path); } / * Join dir name and file name and retur full path * * @param string $dir * @param string $name * @return string * @author Dmitry (dio) Levashov / protected function _joinPath($dir, $name) { return $dir.DIRECTORY_SEPARATOR.$name; } / * Return normalized path, this works the same as os.path.normpath() in Python * * @param string $path path * @return string * @author Troex Nevelin / protected function _normpath($path) { if (empty($path)) { return '.'; } if (strpos($path, '/') === 0) { $initial_slashes = true; } else { $initial_slashes = false; } if (($initial_slashes) && (strpos($path, '//') === 0) && (strpos($path, '///') === false)) { $initial_slashes = 2; } $initial_slashes = (int) $initial_slashes; $comps = explode('/', $path); $new_comps = array(); foreach ($comps as $comp) { if (in_array($comp, array('', '.'))) { continue; } if (($comp != '..') \|\| (!$initial_slashes && !$new_comps) \|\| ($new_comps && (end($new_comps) == '..'))) { array_push($new_comps, $comp); } elseif ($new_comps) { array_pop($new_comps); } } $comps = $new_comps; $path = implode('/', $comps); if ($initial_slashes) { $path = str_repeat('/', $initial_slashes) . $path; } return $path ? $path : '.'; } / * Return file path related to root dir * * @param string $path file path * @return string * @author Dmitry (dio) Levashov / protected function _relpath($path) { return $path == $this->root ? '' : substr($path, strlen($this->root)+1); } / * Convert path related to root dir into real path * * @param string $path file path * @return string * @author Dmitry (dio) Levashov / protected function _abspath($path) { return $path == DIRECTORY_SEPARATOR ? $this->root : $this->root.DIRECTORY_SEPARATOR.$path; } / * Return fake path started from root dir * * @param string $path file path * @return string * @author Dmitry (dio) Levashov / protected function _path($path) { return $this->rootName.($path == $this->root ? '' : $this->separator.$this->_relpath($path)); } / * Return true if $path is children of $parent * * @param string $path path to check * @param string $parent parent path * @return bool * @author Dmitry (dio) Levashov / protected function _inpath($path, $parent) { return $path == $parent \|\| strpos($path, $parent.DIRECTORY_SEPARATOR) === 0; } /************* file stat ****************/ / * Return stat for given path. * Stat contains following fields: * - (int) size file size in b. required * - (int) ts file modification time in unix time. required * - (string) mime mimetype. required for folders, others - optionally * - (bool) read read permissions. required * - (bool) write write permissions. required * - (bool) locked is object locked. optionally * - (bool) hidden is object hidden. optionally * - (string) alias for symlinks - link target path relative to root path. optionally * - (string) target for symlinks - link target path. optionally * * If file does not exists - returns empty array or false. * * @param string $path file path * @return array\|false * @author Dmitry (dio) Levashov / protected function _stat($path) { $stat = array(); if (!file_exists($path)) { return $stat; } if ($path != $this->root && is_link($path)) { if (($target = $this->readlink($path)) == false \|\| $target == $path) { $stat['mime'] = 'symlink-broken'; $stat['read'] = false; $stat['write'] = false; $stat['size'] = 0; return $stat; } $stat['alias'] = $this->_path($target); $stat['target'] = $target; $path = $target; $lstat = lstat($path); $size = $lstat['size']; } else { $size = @filesize($path); } $dir = is_dir($path); $stat['mime'] = $dir ? 'directory' : $this->mimetype($path); $stat['ts'] = filemtime($path); $stat['read'] = is_readable($path); $stat['write'] = is_writable($path); if ($stat['read']) { $stat['size'] = $dir ? 0 : $size; } return $stat; } / * Return true if path is dir and has at least one childs directory * * @param string $path dir path * @return bool * @author Dmitry (dio) Levashov / protected function _subdirs($path) { if (($dir = dir($path))) { $dir = dir($path); while (($entry = $dir->read()) !== false) { $p = $dir->path.DIRECTORY_SEPARATOR.$entry; if ($entry != '.' && $entry != '..' && is_dir($p) && !$this->attr($p, 'hidden')) { $dir->close(); return true; } } $dir->close(); } return false; } / * Return object width and height * Ususaly used for images, but can be realize for video etc... * * @param string $path file path * @param string $mime file mime type * @return string * @author Dmitry (dio) Levashov / protected function _dimensions($path, $mime) { clearstatcache(); return strpos($mime, 'image') === 0 && ($s = @getimagesize($path)) !== false ? $s[0].'x'.$s[1] : false; } /**************** file/dir content *****************/ / * Return symlink target file * * @param string $path link path * @return string * @author Dmitry (dio) Levashov / protected function readlink($path) { if (!($target = @readlink($path))) { return false; } if (substr($target, 0, 1) != DIRECTORY_SEPARATOR) { $target = dirname($path).DIRECTORY_SEPARATOR.$target; } $atarget = realpath($target); if (!$atarget) { return false; } $root = $this->root; $aroot = $this->aroot; if ($this->_inpath($atarget, $this->aroot)) { return $this->_normpath($this->root.DIRECTORY_SEPARATOR.substr($atarget, strlen($this->aroot)+1)); } return false; } / * Return files list in directory. * * @param string $path dir path * @return array * @author Dmitry (dio) Levashov / protected function _scandir($path) { $files = array(); foreach (scandir($path) as $name) { if ($name != '.' && $name != '..') { $files[] = $path.DIRECTORY_SEPARATOR.$name; } } return $files; } / * Open file and return file pointer * * @param string $path file path * @param bool $write open file for writing * @return resource\|false * @author Dmitry (dio) Levashov / protected function _fopen($path, $mode='rb') { return @fopen($path, 'r'); } / * Close opened file * * @param resource $fp file pointer * @return bool * @author Dmitry (dio) Levashov / protected function _fclose($fp, $path='') { return @fclose($fp); } /**************** file/dir manipulations *********************/ / * Create dir and return created dir path or false on failed * * @param string $path parent dir path * @param string $name new directory name * @return string\|bool * @author Dmitry (dio) Levashov / protected function _mkdir($path, $name) { $path = $path.DIRECTORY_SEPARATOR.$name; if (@mkdir($path)) { @chmod($path, $this->options['dirMode']); return $path; } return false; } / * Create file and return it's path or false on failed * * @param string $path parent dir path * @param string $name new file name * @return string\|bool * @author Dmitry (dio) Levashov / protected function _mkfile($path, $name) { $path = $path.DIRECTORY_SEPARATOR.$name; if (($fp = @fopen($path, 'w'))) { @fclose($fp); @chmod($path, $this->options['fileMode']); return $path; } return false; } / * Create symlink * * @param string $source file to link to * @param string $targetDir folder to create link in * @param string $name symlink name * @return bool * @author Dmitry (dio) Levashov / protected function _symlink($source, $targetDir, $name) { return @symlink($source, $targetDir.DIRECTORY_SEPARATOR.$name); } / * Copy file into another file * * @param string $source source file path * @param string $targetDir target directory path * @param string $name new file name * @return bool * @author Dmitry (dio) Levashov / protected function _copy($source, $targetDir, $name) { return copy($source, $targetDir.DIRECTORY_SEPARATOR.$name); } / * Move file into another parent dir. * Return new file path or false. * * @param string $source source file path * @param string $target target dir path * @param string $name file name * @return string\|bool * @author Dmitry (dio) Levashov / protected function _move($source, $targetDir, $name) { $target = $targetDir.DIRECTORY_SEPARATOR.$name; return @rename($source, $target) ? $target : false; } / * Remove file * * @param string $path file path * @return bool * @author Dmitry (dio) Levashov / protected function _unlink($path) { return @unlink($path); } / * Remove dir * * @param string $path dir path * @return bool * @author Dmitry (dio) Levashov / protected function _rmdir($path) { return @rmdir($path); } / * Create new file and write into it from file pointer. * Return new file path or false on error. * * @param resource $fp file pointer * @param string $dir target dir path * @param string $name file name * @return bool\|string * @author Dmitry (dio) Levashov / protected function _save($fp, $dir, $name, $mime, $w, $h) { $path = $dir.DIRECTORY_SEPARATOR.$name; if (!($target = @fopen($path, 'wb'))) { return false; } while (!feof($fp)) { fwrite($target, fread($fp, 8192)); } fclose($target); @chmod($path, $this->options['fileMode']); clearstatcache(); return $path; } / * Get file contents * * @param string $path file path * @return string\|false * @author Dmitry (dio) Levashov / protected function _getContents($path) { return file_get_contents($path); } / * Write a string to a file * * @param string $path file path * @param string $content new file content * @return bool * @author Dmitry (dio) Levashov / protected function _filePutContents($path, $content) { if (@file_put_contents($path, $content, LOCK_EX) !== false) { clearstatcache(); 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