/htdocs/includes/lib/elfinder/php/elFinderVolumeLocalFileSystem.class.php

<?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';

	

	/**

	 * 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']  = 0777;

		$this->options['fileMode'] = 0666;

	}

	

	/*********************************************************************/

	/*                        INIT AND CONFIGURE                         */

	/*********************************************************************/

	

	/**

	 * Configure after successfull mount.

	 *

	 * @return void

	 * @author Dmitry (dio) Levashov

	 **/

	protected function configure() {

		// 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 ($this->attr($this->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 .= '/';

				}

			}

		}

		

		$this->aroot = realpath($this->root);

		

	}

	

	/*********************************************************************/

	/*                               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;

	}

	

	/*********************** check type *************************/

	

	/**

	 * Return true if file exists

	 *

	 * @param  string $path  file path

	 * @return bool

	 * @author Dmitry (dio) Levashov

	 **/

	protected function _fileExists($path) {

		return file_exists($path);

	}

	

	/**

	 * Return true if path is a directory

	 *

	 * @param  string  file path

	 * @return bool

	 * @author Dmitry (dio) Levashov

	 **/

	protected function _isDir($path) {

		return is_dir($path);

	}

	

	/**

	 * Return true if path is a file

	 *

	 * @param  string  file path

	 * @return bool

	 * @author Dmitry (dio) Levashov

	 **/

	protected function _isFile($path) {

		return is_file($path);

	}

	

	/**

	 * Return true if path is a symlink

	 *

	 * @param  string  file path

	 * @return bool

	 * @author Dmitry (dio) Levashov

	 **/

	protected function _isLink($path) {

		return is_link($path);

	}

	

	/***************** file attributes ********************/

	

	/**

	 * Return true if path is readable

	 *

	 * @param  string  file path

	 * @return bool

	 * @author Dmitry (dio) Levashov

	 **/

	protected function _isReadable($path) {

		return is_readable($path);

	}

	

	/**

	 * Return true if path is writable

	 *

	 * @param  string  file path

	 * @return bool

	 * @author Dmitry (dio) Levashov

	 **/

	protected function _isWritable($path) {

		return is_writable($path);

	}

	

	/**

	 * Return true if path is locked

	 *

	 * @param  string  file path

	 * @return bool

	 * @author Dmitry (dio) Levashov

	 **/

	protected function _isLocked($path) {

		return false;

	}

	

	/**

	 * Return true if path is hidden

	 *

	 * @param  string  file path

	 * @return bool

	 * @author Dmitry (dio) Levashov

	 **/

	protected function _isHidden($path) {

		return false;

	}

	

	/***************** file stat ********************/

	/**

	 * Return file size

	 *

	 * @param  string $path  file path

	 * @return int

	 * @author Dmitry (dio) Levashov

	 **/

	protected function _filesize($path) {

		return @filesize($path);

	}

	

	/**

	 * Return file modification time

	 *

	 * @param  string $path  file path

	 * @return int

	 * @author Dmitry (dio) Levashov

	 **/

	protected function _filemtime($path) {

		return @filemtime($path);

	}

	

	/**

	 * 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 (is_dir($path) && is_readable($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) {

		return strpos($mime, 'image') === 0 && ($s = @getimagesize($path)) !== false 

			? $s[0].'x'.$s[1] 

			: false;

	}

	

	/**

	 * Return symlink stat (required only size and mtime)

	 *

	 * @param  string  $path  link path

	 * @return array

	 * @author Dmitry (dio) Levashov

	 **/

	protected function _lstat($path) {

		return lstat($path);

	}

	

	/******************** 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;

		}

		

		if ($this->_inpath($atarget, $this->aroot)) {

			return $this->_normpath($this->root.DIRECTORY_SEPARATOR.substr($atarget, strlen($this->aroot)+1));

		}

		// echo $path.'<br>';

		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, $mode);

	}

	

	/**

	 * 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

	 *

	 * @param  string  $path  parent dir path

	 * @param string  $name  new directory name

	 * @return bool

	 * @author Dmitry (dio) Levashov

	 **/

	protected function _mkdir($path, $name) {

		$path = $path.DIRECTORY_SEPARATOR.$name;

		

		if (@mkdir($path)) {

			@chmod($path, $this->options['dirMode']);

			return true;

		}

		return false;

	}

	

	/**

	 * Create file

	 *

	 * @param  string  $path  parent dir path

	 * @param string  $name  new file name

	 * @return 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 true;

		}

		return false;

	}

	

	/**

	 * Create symlink

	 *

	 * @param  string  $target  link target

	 * @param  string  $path    symlink path

	 * @return bool

	 * @author Dmitry (dio) Levashov

	 **/

	protected function _symlink($target, $path, $name='') {

		if (!$name) {

			$name = basename($path);

		}

		return @symlink('.'.DIRECTORY_SEPARATOR.$this->_relpath($target), $path.DIRECTORY_SEPARATOR.$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='') {

		$target = $targetDir.DIRECTORY_SEPARATOR.($name ? $name : basename($source));

		return copy($source, $target);

	}

	

	/**

	 * Move file into another parent dir

	 *

	 * @param  string  $source  source file path

	 * @param  string  $target  target dir path

	 * @param  string  $name    file name

	 * @return bool

	 * @author Dmitry (dio) Levashov

	 **/

	protected function _move($source, $targetDir, $name='') {

		$target = $targetDir.DIRECTORY_SEPARATOR.($name ? $name : basename($source));

		return @rename($source, $target);

	}

		

	/**

	 * 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) {

		$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)) {

			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);

			$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');

			}

			//$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');

			}

		}

		

		//exec('zip --version', $o, $c);

		$this->procExec('zip --version', $o, $c);

		if ($c == 0) {

			$arcs['create']['application/zip']  = array('cmd' => 'zip', 'argc' => '-r9', 'ext' => 'zip');

		}

		

		$this->procExec('unzip --help', $o, $c);

		if ($c == 0) {

			$arcs['extract']['application/zip'] = array('cmd' => 'unzip', 'argc' => '',  'ext' => 'zip');

		} 

		

		//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 {

			//$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');

			}

		}

		

		//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;

	}



	/**

	 * 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) {

		$cwd = getcwd();

		$dir = $this->_dirname($path);

		chdir($dir);

		$cmd = $arc['cmd'].' '.$arc['argc'].' '.escapeshellarg($this->_basename($path));

		$this->procExec($cmd, $o, $c);

		chdir($cwd);



		return true;

	}

	

	/**

	 * 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;



		$this->checkArchivers();

		

		$dir = $this->decode($args['current']);

    

		$targets = $args['targets'];

		

		$files = array();

		$argc  = '';

    

		foreach ($targets as $target) {

			$f = $this->file($target);

			$argc .= escapeshellarg($f['name']).' ';

			$files[] = $f;

		}

    

		$arc  = $this->options['archivers']['create'][$args['type']];

    

		if ($arc) {

    

			$name = (count($files) == 1 ? basename($files[0]) : $args['name']) . '.' . $arc['ext'] ;

			$name = $this->uniqueName($dir, $name, '-', false);

		

			$cwd = getcwd();

			chdir($dir);

			$cmd = $arc['cmd'].' '.$arc['argc'].' '.escapeshellarg($name).' '.$argc;

		

			$this->procExec($cmd, $o, $c);

			chdir($cwd);

			

			

			if ($c == 0) {

				$finfo = $this->stat($dir . $this->options['separator'] . $name);

				return array($finfo);

			}



			return false;

		}

		return false;

	}

	

} // END class 





?>