File "elFinderVolumeFTP.class.php"
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<?php
/**
* Simple elFinder driver for FTP
*
* @author Dmitry (dio) Levashov
* @author Cem (discofever)
**/
class elFinderVolumeFTP extends elFinderVolumeDriver
{
/**
* Driver id
* Must be started from letter and contains [a-z0-9]
* Used as part of volume id
*
* @var string
**/
protected $driverId = 'f';
/**
* FTP Connection Instance
*
* @var resource a FTP stream
**/
protected $connect = null;
/**
* Directory for tmp files
* If not set driver will try to use tmbDir as tmpDir
*
* @var string
**/
protected $tmpPath = '';
/**
* Last FTP error message
*
* @var string
**/
protected $ftpError = '';
/**
* FTP server output list as ftp on linux
*
* @var bool
**/
protected $ftpOsUnix;
/**
* FTP LIST command option
*
* @var string
*/
protected $ftpListOption = '-al';
/**
* Is connected server Pure FTPd?
*
* @var bool
*/
protected $isPureFtpd = false;
/**
* Is connected server with FTPS?
*
* @var bool
*/
protected $isFTPS = false;
/**
* Tmp folder path
*
* @var string
**/
protected $tmp = '';
/**
* FTP command `MLST` support
*
* @var bool
*/
private $MLSTsupprt = false;
/**
* Calling cacheDir() target path with non-MLST
*
* @var string
*/
private $cacheDirTarget = '';
/**
* Constructor
* Extend options with required fields
*
* @author Dmitry (dio) Levashov
* @author Cem (DiscoFever)
*/
public function __construct()
{
$opts = array(
'host' => 'localhost',
'user' => '',
'pass' => '',
'port' => 21,
'mode' => 'passive',
'ssl' => false,
'path' => '/',
'timeout' => 20,
'owner' => true,
'tmbPath' => '',
'tmpPath' => '',
'separator' => '/',
'checkSubfolders' => -1,
'dirMode' => 0755,
'fileMode' => 0644,
'rootCssClass' => 'elfinder-navbar-root-ftp',
'ftpListOption' => '-al',
);
$this->options = array_merge($this->options, $opts);
$this->options['mimeDetect'] = 'internal';
}
/**
* Prepare
* Call from elFinder::netmout() before volume->mount()
*
* @param $options
*
* @return array volume root options
* @author Naoki Sawada
*/
public function netmountPrepare($options)
{
if (!empty($_REQUEST['encoding']) && iconv('UTF-8', $_REQUEST['encoding'], '') !== false) {
$options['encoding'] = $_REQUEST['encoding'];
if (!empty($_REQUEST['locale']) && setlocale(LC_ALL, $_REQUEST['locale'])) {
setlocale(LC_ALL, elFinder::$locale);
$options['locale'] = $_REQUEST['locale'];
}
}
if (!empty($_REQUEST['FTPS'])) {
$options['ssl'] = true;
}
$options['statOwner'] = true;
$options['allowChmodReadOnly'] = true;
$options['acceptedName'] = '#^[^/\\?*:|"<>]*[^./\\?*:|"<>]$#';
return $options;
}
/*********************************************************************/
/* INIT AND CONFIGURE */
/*********************************************************************/
/**
* Prepare FTP connection
* Connect to remote server and check if credentials are correct, if so, store the connection id in $ftp_conn
*
* @return bool
* @author Dmitry (dio) Levashov
* @author Cem (DiscoFever)
**/
protected function init()
{
if (!$this->options['host']
|| !$this->options['port']) {
return $this->setError('Required options undefined.');
}
if (!$this->options['user']) {
$this->options['user'] = 'anonymous';
$this->options['pass'] = '';
}
if (!$this->options['path']) {
$this->options['path'] = '/';
}
// make ney mount key
$this->netMountKey = md5(join('-', array('ftp', $this->options['host'], $this->options['port'], $this->options['path'], $this->options['user'])));
if (!function_exists('ftp_connect')) {
return $this->setError('FTP extension not loaded.');
}
// remove protocol from host
$scheme = parse_url($this->options['host'], PHP_URL_SCHEME);
if ($scheme) {
$this->options['host'] = substr($this->options['host'], strlen($scheme) + 3);
}
// normalize root path
$this->root = $this->options['path'] = $this->_normpath($this->options['path']);
if (empty($this->options['alias'])) {
$this->options['alias'] = $this->options['user'] . '@' . $this->options['host'];
if (!empty($this->options['netkey'])) {
elFinder::$instance->updateNetVolumeOption($this->options['netkey'], 'alias', $this->options['alias']);
}
}
$this->rootName = $this->options['alias'];
$this->options['separator'] = '/';
if (is_null($this->options['syncChkAsTs'])) {
$this->options['syncChkAsTs'] = true;
}
if (isset($this->options['ftpListOption'])) {
$this->ftpListOption = $this->options['ftpListOption'];
}
return $this->needOnline? $this->connect() : true;
}
/**
* Configure after successfull mount.
*
* @return void
* @throws elFinderAbortException
* @author Dmitry (dio) Levashov
*/
protected function configure()
{
parent::configure();
if (!empty($this->options['tmpPath'])) {
if ((is_dir($this->options['tmpPath']) || mkdir($this->options['tmpPath'], 0755, true)) && is_writable($this->options['tmpPath'])) {
$this->tmp = $this->options['tmpPath'];
}
}
if (!$this->tmp && ($tmp = elFinder::getStaticVar('commonTempPath'))) {
$this->tmp = $tmp;
}
// fallback of $this->tmp
if (!$this->tmp && $this->tmbPathWritable) {
$this->tmp = $this->tmbPath;
}
if (!$this->tmp) {
$this->disabled[] = 'mkfile';
$this->disabled[] = 'paste';
$this->disabled[] = 'duplicate';
$this->disabled[] = 'upload';
$this->disabled[] = 'edit';
$this->disabled[] = 'archive';
$this->disabled[] = 'extract';
}
// echo $this->tmp;
}
/**
* Connect to ftp server
*
* @return bool
* @author Dmitry (dio) Levashov
**/
protected function connect()
{
$withSSL = empty($this->options['ssl']) ? '' : ' with SSL';
if ($withSSL) {
if (!function_exists('ftp_ssl_connect') || !($this->connect = ftp_ssl_connect($this->options['host'], $this->options['port'], $this->options['timeout']))) {
return $this->setError('Unable to connect to FTP server ' . $this->options['host'] . $withSSL);
}
$this->isFTPS = true;
} else {
if (!($this->connect = ftp_connect($this->options['host'], $this->options['port'], $this->options['timeout']))) {
return $this->setError('Unable to connect to FTP server ' . $this->options['host']);
}
}
if (!ftp_login($this->connect, $this->options['user'], $this->options['pass'])) {
$this->umount();
return $this->setError('Unable to login into ' . $this->options['host'] . $withSSL);
}
// try switch utf8 mode
if ($this->encoding) {
ftp_raw($this->connect, 'OPTS UTF8 OFF');
} else {
ftp_raw($this->connect, 'OPTS UTF8 ON');
}
$help = ftp_raw($this->connect, 'HELP');
$this->isPureFtpd = stripos(implode(' ', $help), 'Pure-FTPd') !== false;
if (!$this->isPureFtpd) {
// switch off extended passive mode - may be usefull for some servers
// this command, for pure-ftpd, doesn't work and takes a timeout in some pure-ftpd versions
ftp_raw($this->connect, 'epsv4 off');
}
// enter passive mode if required
$pasv = ($this->options['mode'] == 'passive');
if (!ftp_pasv($this->connect, $pasv)) {
if ($pasv) {
$this->options['mode'] = 'active';
}
}
// enter root folder
if (!ftp_chdir($this->connect, $this->root)
|| $this->root != ftp_pwd($this->connect)) {
$this->umount();
return $this->setError('Unable to open root folder.');
}
// check for MLST support
$features = ftp_raw($this->connect, 'FEAT');
if (!is_array($features)) {
$this->umount();
return $this->setError('Server does not support command FEAT.');
}
foreach ($features as $feat) {
if (strpos(trim($feat), 'MLST') === 0) {
$this->MLSTsupprt = true;
break;
}
}
return true;
}
/**
* Call ftp_rawlist with option prefix
*
* @param string $path
*
* @return array
*/
protected function ftpRawList($path)
{
if ($this->isPureFtpd) {
$path = str_replace(' ', '\ ', $path);
}
if ($this->ftpListOption) {
$path = $this->ftpListOption . ' ' . $path;
}
$res = ftp_rawlist($this->connect, $path);
if ($res === false) {
$res = array();
}
return $res;
}
/*********************************************************************/
/* FS API */
/*********************************************************************/
/**
* Close opened connection
*
* @return void
* @author Dmitry (dio) Levashov
**/
public function umount()
{
$this->connect && ftp_close($this->connect);
}
/**
* Parse line from ftp_rawlist() output and return file stat (array)
*
* @param string $raw line from ftp_rawlist() output
* @param $base
* @param bool $nameOnly
*
* @return array
* @author Dmitry Levashov
*/
protected function parseRaw($raw, $base, $nameOnly = false)
{
static $now;
static $lastyear;
if (!$now) {
$now = time();
$lastyear = date('Y') - 1;
}
$info = preg_split("/\s+/", $raw, 8);
if (isset($info[7])) {
list($info[7], $info[8]) = explode(' ', $info[7], 2);
}
$stat = array();
if (!isset($this->ftpOsUnix)) {
$this->ftpOsUnix = !preg_match('/\d/', substr($info[0], 0, 1));
}
if (!$this->ftpOsUnix) {
$info = $this->normalizeRawWindows($raw);
}
if (count($info) < 9 || $info[8] == '.' || $info[8] == '..') {
return false;
}
$name = $info[8];
if (preg_match('|(.+)\-\>(.+)|', $name, $m)) {
$name = trim($m[1]);
// check recursive processing
if ($this->cacheDirTarget && $this->_joinPath($base, $name) !== $this->cacheDirTarget) {
return array();
}
if (!$nameOnly) {
$target = trim($m[2]);
if (substr($target, 0, 1) !== $this->separator) {
$target = $this->getFullPath($target, $base);
}
$target = $this->_normpath($target);
$stat['name'] = $name;
$stat['target'] = $target;
return $stat;
}
}
if ($nameOnly) {
return array('name' => $name);
}
if (is_numeric($info[5]) && !$info[6] && !$info[7]) {
// by normalizeRawWindows()
$stat['ts'] = $info[5];
} else {
$stat['ts'] = strtotime($info[5] . ' ' . $info[6] . ' ' . $info[7]);
if ($stat['ts'] && $stat['ts'] > $now && strpos($info[7], ':') !== false) {
$stat['ts'] = strtotime($info[5] . ' ' . $info[6] . ' ' . $lastyear . ' ' . $info[7]);
}
if (empty($stat['ts'])) {
$stat['ts'] = strtotime($info[6] . ' ' . $info[5] . ' ' . $info[7]);
if ($stat['ts'] && $stat['ts'] > $now && strpos($info[7], ':') !== false) {
$stat['ts'] = strtotime($info[6] . ' ' . $info[5] . ' ' . $lastyear . ' ' . $info[7]);
}
}
}
if ($this->options['statOwner']) {
$stat['owner'] = $info[2];
$stat['group'] = $info[3];
$stat['perm'] = substr($info[0], 1);
//
// if not exists owner in LS ftp ==> isowner = true
// if is defined as option : 'owner' => true isowner = true
//
// if exist owner in LS ftp and 'owner' => False isowner = result of owner(file) == user(logged with ftp)
//
$stat['isowner'] = isset($stat['owner']) ? ($this->options['owner'] ? true : ($stat['owner'] == $this->options['user'])) : true;
}
$owner_computed = isset($stat['isowner']) ? $stat['isowner'] : $this->options['owner'];
$perm = $this->parsePermissions($info[0], $owner_computed);
$stat['name'] = $name;
$stat['mime'] = substr(strtolower($info[0]), 0, 1) == 'd' ? 'directory' : $this->mimetype($stat['name'], true);
$stat['size'] = $stat['mime'] == 'directory' ? 0 : $info[4];
$stat['read'] = $perm['read'];
$stat['write'] = $perm['write'];
return $stat;
}
/**
* Normalize MS-DOS style FTP LIST Raw line
*
* @param string $raw line from FTP LIST (MS-DOS style)
*
* @return array
* @author Naoki Sawada
**/
protected function normalizeRawWindows($raw)
{
$info = array_pad(array(), 9, '');
$item = preg_replace('#\s+#', ' ', trim($raw), 3);
list($date, $time, $size, $name) = explode(' ', $item, 4);
$format = strlen($date) === 8 ? 'm-d-yH:iA' : 'Y-m-dH:i';
$dateObj = DateTime::createFromFormat($format, $date . $time);
$info[5] = strtotime($dateObj->format('Y-m-d H:i'));
$info[8] = $name;
if ($size === '<DIR>') {
$info[4] = 0;
$info[0] = 'drwxr-xr-x';
} else {
$info[4] = (int)$size;
$info[0] = '-rw-r--r--';
}
return $info;
}
/**
* Parse permissions string. Return array(read => true/false, write => true/false)
*
* @param string $perm permissions string 'rwx' + 'rwx' + 'rwx'
* ^ ^ ^
* | | +-> others
* | +---------> group
* +-----------------> owner
* The isowner parameter is computed by the caller.
* If the owner parameter in the options is true, the user is the actual owner of all objects even if che user used in the ftp Login
* is different from the file owner id.
* If the owner parameter is false to understand if the user is the file owner we compare the ftp user with the file owner id.
* @param Boolean $isowner . Tell if the current user is the owner of the object.
*
* @return array
* @author Dmitry (dio) Levashov
* @author Ugo Vierucci
*/
protected function parsePermissions($perm, $isowner = true)
{
$res = array();
$parts = array();
for ($i = 0, $l = strlen($perm); $i < $l; $i++) {
$parts[] = substr($perm, $i, 1);
}
$read = ($isowner && $parts[1] == 'r') || $parts[4] == 'r' || $parts[7] == 'r';
return array(
'read' => $parts[0] == 'd' ? $read && (($isowner && $parts[3] == 'x') || $parts[6] == 'x' || $parts[9] == 'x') : $read,
'write' => ($isowner && $parts[2] == 'w') || $parts[5] == 'w' || $parts[8] == 'w'
);
}
/**
* Cache dir contents
*
* @param string $path dir path
*
* @return void
* @author Dmitry Levashov
**/
protected function cacheDir($path)
{
$this->dirsCache[$path] = array();
$hasDir = false;
$list = array();
$encPath = $this->convEncIn($path);
foreach ($this->ftpRawList($encPath) as $raw) {
if (($stat = $this->parseRaw($raw, $encPath))) {
$list[] = $stat;
}
}
$list = $this->convEncOut($list);
$prefix = ($path === $this->separator) ? $this->separator : $path . $this->separator;
$targets = array();
foreach ($list as $stat) {
$p = $prefix . $stat['name'];
if (isset($stat['target'])) {
// stat later
$targets[$stat['name']] = $stat['target'];
} else {
$stat = $this->updateCache($p, $stat);
if (empty($stat['hidden'])) {
if (!$hasDir && $stat['mime'] === 'directory') {
$hasDir = true;
}
$this->dirsCache[$path][] = $p;
}
}
}
// stat link targets
foreach ($targets as $name => $target) {
$stat = array();
$stat['name'] = $name;
$p = $prefix . $name;
$cacheDirTarget = $this->cacheDirTarget;
$this->cacheDirTarget = $this->convEncIn($target, true);
if ($tstat = $this->stat($target)) {
$stat['size'] = $tstat['size'];
$stat['alias'] = $target;
$stat['thash'] = $tstat['hash'];
$stat['mime'] = $tstat['mime'];
$stat['read'] = $tstat['read'];
$stat['write'] = $tstat['write'];
if (isset($tstat['ts'])) {
$stat['ts'] = $tstat['ts'];
}
if (isset($tstat['owner'])) {
$stat['owner'] = $tstat['owner'];
}
if (isset($tstat['group'])) {
$stat['group'] = $tstat['group'];
}
if (isset($tstat['perm'])) {
$stat['perm'] = $tstat['perm'];
}
if (isset($tstat['isowner'])) {
$stat['isowner'] = $tstat['isowner'];
}
} else {
$stat['mime'] = 'symlink-broken';
$stat['read'] = false;
$stat['write'] = false;
$stat['size'] = 0;
}
$this->cacheDirTarget = $cacheDirTarget;
$stat = $this->updateCache($p, $stat);
if (empty($stat['hidden'])) {
if (!$hasDir && $stat['mime'] === 'directory') {
$hasDir = true;
}
$this->dirsCache[$path][] = $p;
}
}
if (isset($this->sessionCache['subdirs'])) {
$this->sessionCache['subdirs'][$path] = $hasDir;
}
}
/**
* Return ftp transfer mode for file
*
* @param string $path file path
*
* @return string
* @author Dmitry (dio) Levashov
**/
protected function ftpMode($path)
{
return strpos($this->mimetype($path), 'text/') === 0 ? FTP_ASCII : FTP_BINARY;
}
/*********************** paths/urls *************************/
/**
* Return parent directory path
*
* @param string $path file path
*
* @return string
* @author Naoki Sawada
**/
protected function _dirname($path)
{
$parts = explode($this->separator, trim($path, $this->separator));
array_pop($parts);
return $this->separator . join($this->separator, $parts);
}
/**
* Return file name
*
* @param string $path file path
*
* @return string
* @author Naoki Sawada
**/
protected function _basename($path)
{
$parts = explode($this->separator, trim($path, $this->separator));
return array_pop($parts);
}
/**
* 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, $name)
{
return rtrim($dir, $this->separator) . $this->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)) {
$path = '.';
}
// path must be start with /
$path = preg_replace('|^\.\/?|', $this->separator, $path);
$path = preg_replace('/^([^\/])/', "/$1", $path);
if ($path[0] === $this->separator) {
$initial_slashes = true;
} else {
$initial_slashes = false;
}
if (($initial_slashes)
&& (strpos($path, '//') === 0)
&& (strpos($path, '///') === false)) {
$initial_slashes = 2;
}
$initial_slashes = (int)$initial_slashes;
$comps = explode($this->separator, $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;
$path = implode($this->separator, $comps);
if ($initial_slashes) {
$path = str_repeat($this->separator, $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)
{
if ($path === $this->root) {
return '';
} else {
if (strpos($path, $this->root) === 0) {
return ltrim(substr($path, strlen($this->root)), $this->separator);
} else {
// for link
return $path;
}
}
}
/**
* Convert path related to root dir into real path
*
* @param string $path file path
*
* @return string
* @author Dmitry (dio) Levashov
**/
protected function _abspath($path)
{
if ($path === $this->separator) {
return $this->root;
} else {
if ($path[0] === $this->separator) {
// for link
return $path;
} else {
return $this->_joinPath($this->root, $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, rtrim($parent, $this->separator) . $this->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)
{
$outPath = $this->convEncOut($path);
if (isset($this->cache[$outPath])) {
return $this->convEncIn($this->cache[$outPath]);
} else {
$this->convEncIn();
}
if (!$this->MLSTsupprt) {
if ($path === $this->root) {
$res = array(
'name' => $this->root,
'mime' => 'directory',
'dirs' => -1
);
if ($this->needOnline && (($this->ARGS['cmd'] === 'open' && $this->ARGS['target'] === $this->encode($this->root)) || $this->isMyReload())) {
$check = array(
'ts' => true,
'dirs' => true,
);
$ts = 0;
foreach ($this->ftpRawList($path) as $str) {
$info = preg_split('/\s+/', $str, 9);
if ($info[8] === '.') {
$info[8] = 'root';
if ($stat = $this->parseRaw(join(' ', $info), $path)) {
unset($stat['name']);
$res = array_merge($res, $stat);
if ($res['ts']) {
$ts = 0;
unset($check['ts']);
}
}
}
if ($check && ($stat = $this->parseRaw($str, $path))) {
if (isset($stat['ts']) && !empty($stat['ts'])) {
$ts = max($ts, $stat['ts']);
}
if (isset($stat['dirs']) && $stat['mime'] === 'directory') {
$res['dirs'] = 1;
unset($stat['dirs']);
}
if (!$check) {
break;
}
}
}
if ($ts) {
$res['ts'] = $ts;
}
$this->cache[$outPath] = $res;
}
return $res;
}
$pPath = $this->_dirname($path);
if ($this->_inPath($pPath, $this->root)) {
$outPPpath = $this->convEncOut($pPath);
if (!isset($this->dirsCache[$outPPpath])) {
$parentSubdirs = null;
if (isset($this->sessionCache['subdirs']) && isset($this->sessionCache['subdirs'][$outPPpath])) {
$parentSubdirs = $this->sessionCache['subdirs'][$outPPpath];
}
$this->cacheDir($outPPpath);
if ($parentSubdirs) {
$this->sessionCache['subdirs'][$outPPpath] = $parentSubdirs;
}
}
}
$stat = $this->convEncIn(isset($this->cache[$outPath]) ? $this->cache[$outPath] : array());
if (!$this->mounted) {
// dispose incomplete cache made by calling `stat` by 'startPath' option
$this->cache = array();
}
return $stat;
}
$raw = ftp_raw($this->connect, 'MLST ' . $path);
if (is_array($raw) && count($raw) > 1 && substr(trim($raw[0]), 0, 1) == 2) {
$parts = explode(';', trim($raw[1]));
array_pop($parts);
$parts = array_map('strtolower', $parts);
$stat = array();
$mode = '';
foreach ($parts as $part) {
list($key, $val) = explode('=', $part, 2);
switch ($key) {
case 'type':
if (strpos($val, 'dir') !== false) {
$stat['mime'] = 'directory';
} else if (strpos($val, 'link') !== false) {
$stat['mime'] = 'symlink';
break(2);
} else {
$stat['mime'] = $this->mimetype($path);
}
break;
case 'size':
$stat['size'] = $val;
break;
case 'modify':
$ts = mktime(intval(substr($val, 8, 2)), intval(substr($val, 10, 2)), intval(substr($val, 12, 2)), intval(substr($val, 4, 2)), intval(substr($val, 6, 2)), substr($val, 0, 4));
$stat['ts'] = $ts;
break;
case 'unix.mode':
$mode = strval($val);
break;
case 'unix.uid':
$stat['owner'] = $val;
break;
case 'unix.gid':
$stat['group'] = $val;
break;
case 'perm':
$val = strtolower($val);
$stat['read'] = (int)preg_match('/e|l|r/', $val);
$stat['write'] = (int)preg_match('/w|m|c/', $val);
if (!preg_match('/f|d/', $val)) {
$stat['locked'] = 1;
}
break;
}
}
if (empty($stat['mime'])) {
return array();
}
// do not use MLST to get stat of symlink
if ($stat['mime'] === 'symlink') {
$this->MLSTsupprt = false;
$res = $this->_stat($path);
$this->MLSTsupprt = true;
return $res;
}
if ($stat['mime'] === 'directory') {
$stat['size'] = 0;
}
if ($mode) {
$stat['perm'] = '';
if ($mode[0] === '0') {
$mode = substr($mode, 1);
}
$perm = array();
for ($i = 0; $i <= 2; $i++) {
$perm[$i] = array(false, false, false);
$n = isset($mode[$i]) ? $mode[$i] : 0;
if ($n - 4 >= 0) {
$perm[$i][0] = true;
$n = $n - 4;
$stat['perm'] .= 'r';
} else {
$stat['perm'] .= '-';
}
if ($n - 2 >= 0) {
$perm[$i][1] = true;
$n = $n - 2;
$stat['perm'] .= 'w';
} else {
$stat['perm'] .= '-';
}
if ($n - 1 == 0) {
$perm[$i][2] = true;
$stat['perm'] .= 'x';
} else {
$stat['perm'] .= '-';
}
}
$stat['perm'] = trim($stat['perm']);
//
// if not exists owner in LS ftp ==> isowner = true
// if is defined as option : 'owner' => true isowner = true
//
// if exist owner in LS ftp and 'owner' => False isowner = result of owner(file) == user(logged with ftp)
$owner_computed = isset($stat['owner']) ? ($this->options['owner'] ? true : ($stat['owner'] == $this->options['user'])) : true;
$read = ($owner_computed && $perm[0][0]) || $perm[1][0] || $perm[2][0];
$stat['read'] = $stat['mime'] == 'directory' ? $read && (($owner_computed && $perm[0][2]) || $perm[1][2] || $perm[2][2]) : $read;
$stat['write'] = ($owner_computed && $perm[0][1]) || $perm[1][1] || $perm[2][1];
if ($this->options['statOwner']) {
$stat['isowner'] = $owner_computed;
} else {
unset($stat['owner'], $stat['group'], $stat['perm']);
}
}
return $stat;
}
return array();
}
/**
* 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)
{
foreach ($this->ftpRawList($path) as $str) {
$info = preg_split('/\s+/', $str, 9);
if (!isset($this->ftpOsUnix)) {
$this->ftpOsUnix = !preg_match('/\d/', substr($info[0], 0, 1));
}
if (!$this->ftpOsUnix) {
$info = $this->normalizeRawWindows($str);
}
$name = isset($info[8]) ? trim($info[8]) : '';
if ($name && $name !== '.' && $name !== '..' && substr(strtolower($info[0]), 0, 1) === 'd') {
return true;
}
}
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 $mime file mime type
*
* @return string|false
* @throws ImagickException
* @throws elFinderAbortException
* @author Dmitry (dio) Levashov
*/
protected function _dimensions($path, $mime)
{
$ret = false;
if ($imgsize = $this->getImageSize($path, $mime)) {
$ret = array('dim' => $imgsize['dimensions']);
if (!empty($imgsize['url'])) {
$ret['url'] = $imgsize['url'];
}
}
return $ret;
}
/******************** file/dir content *********************/
/**
* Return files list in directory.
*
* @param string $path dir path
*
* @return array
* @author Dmitry (dio) Levashov
* @author Cem (DiscoFever)
**/
protected function _scandir($path)
{
$files = array();
foreach ($this->ftpRawList($path) as $str) {
if (($stat = $this->parseRaw($str, $path, true))) {
$files[] = $this->_joinPath($path, $stat['name']);
}
}
return $files;
}
/**
* Open file and return file pointer
*
* @param string $path file path
* @param string $mode
*
* @return false|resource
* @throws elFinderAbortException
* @internal param bool $write open file for writing
* @author Dmitry (dio) Levashov
*/
protected function _fopen($path, $mode = 'rb')
{
// try ftp stream wrapper
if ($this->options['mode'] === 'passive' && ini_get('allow_url_fopen')) {
$url = ($this->isFTPS ? 'ftps' : 'ftp') . '://' . $this->options['user'] . ':' . $this->options['pass'] . '@' . $this->options['host'] . ':' . $this->options['port'] . $path;
if (strtolower($mode[0]) === 'w') {
$context = stream_context_create(array('ftp' => array('overwrite' => true)));
$fp = fopen($url, $mode, false, $context);
} else {
$fp = fopen($url, $mode);
}
if ($fp) {
return $fp;
}
}
if ($this->tmp) {
$local = $this->getTempFile($path);
$fp = fopen($local, 'wb');
$ret = ftp_nb_fget($this->connect, $fp, $path, FTP_BINARY);
while ($ret === FTP_MOREDATA) {
elFinder::extendTimeLimit();
$ret = ftp_nb_continue($this->connect);
}
if ($ret === FTP_FINISHED) {
fclose($fp);
$fp = fopen($local, $mode);
return $fp;
}
fclose($fp);
is_file($local) && unlink($local);
}
return false;
}
/**
* Close opened file
*
* @param resource $fp file pointer
* @param string $path
*
* @return void
* @author Dmitry (dio) Levashov
*/
protected function _fclose($fp, $path = '')
{
is_resource($fp) && fclose($fp);
if ($path) {
unlink($this->getTempFile($path));
}
}
/******************** 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 = $this->_joinPath($path, $name);
if (ftp_mkdir($this->connect, $path) === false) {
return false;
}
$this->options['dirMode'] && ftp_chmod($this->connect, $this->options['dirMode'], $path);
return $path;
}
/**
* 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, $name)
{
if ($this->tmp) {
$path = $this->_joinPath($path, $name);
$local = $this->getTempFile();
$res = touch($local) && ftp_put($this->connect, $path, $local, FTP_ASCII);
unlink($local);
return $res ? $path : false;
}
return false;
}
/**
* Create symlink. FTP driver does not support symlinks.
*
* @param string $target link target
* @param string $path symlink path
* @param string $name
*
* @return bool
* @author Dmitry (dio) Levashov
*/
protected function _symlink($target, $path, $name)
{
return false;
}
/**
* 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)
{
$res = false;
if ($this->tmp) {
$local = $this->getTempFile();
$target = $this->_joinPath($targetDir, $name);
if (ftp_get($this->connect, $local, $source, FTP_BINARY)
&& ftp_put($this->connect, $target, $local, $this->ftpMode($target))) {
$res = $target;
}
unlink($local);
}
return $res;
}
/**
* Move file into another parent dir.
* Return new file path or false.
*
* @param string $source source file path
* @param $targetDir
* @param string $name file name
*
* @return bool|string
* @internal param string $target target dir path
* @author Dmitry (dio) Levashov
*/
protected function _move($source, $targetDir, $name)
{
$target = $this->_joinPath($targetDir, $name);
return ftp_rename($this->connect, $source, $target) ? $target : false;
}
/**
* Remove file
*
* @param string $path file path
*
* @return bool
* @author Dmitry (dio) Levashov
**/
protected function _unlink($path)
{
return ftp_delete($this->connect, $path);
}
/**
* Remove dir
*
* @param string $path dir path
*
* @return bool
* @author Dmitry (dio) Levashov
**/
protected function _rmdir($path)
{
return ftp_rmdir($this->connect, $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
* @param array $stat file stat (required by some virtual fs)
*
* @return bool|string
* @author Dmitry (dio) Levashov
**/
protected function _save($fp, $dir, $name, $stat)
{
$path = $this->_joinPath($dir, $name);
return ftp_fput($this->connect, $path, $fp, $this->ftpMode($path))
? $path
: false;
}
/**
* Get file contents
*
* @param string $path file path
*
* @return string|false
* @throws elFinderAbortException
* @author Dmitry (dio) Levashov
*/
protected function _getContents($path)
{
$contents = '';
if (($fp = $this->_fopen($path))) {
while (!feof($fp)) {
$contents .= fread($fp, 8192);
}
$this->_fclose($fp, $path);
return $contents;
}
return false;
}
/**
* 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)
{
$res = false;
if ($this->tmp) {
$local = $this->getTempFile();
if (file_put_contents($local, $content, LOCK_EX) !== false
&& ($fp = fopen($local, 'rb'))) {
$file = $this->stat($this->convEncOut($path, false));
if (!empty($file['thash'])) {
$path = $this->decode($file['thash']);
}
clearstatcache();
$res = ftp_fput($this->connect, $path, $fp, $this->ftpMode($path));
fclose($fp);
}
file_exists($local) && unlink($local);
}
return $res;
}
/**
* Detect available archivers
*
* @return void
* @throws elFinderAbortException
*/
protected function _checkArchivers()
{
$this->archivers = $this->getArchivers();
return;
}
/**
* chmod availability
*
* @param string $path
* @param string $mode
*
* @return bool
*/
protected function _chmod($path, $mode)
{
$modeOct = is_string($mode) ? octdec($mode) : octdec(sprintf("%04o", $mode));
return ftp_chmod($this->connect, $modeOct, $path);
}
/**
* Extract files from archive
*
* @param string $path archive path
* @param array $arc archiver command and arguments (same as in $this->archivers)
*
* @return true
* @throws elFinderAbortException
* @author Dmitry (dio) Levashov,
* @author Alexey Sukhotin
*/
protected function _extract($path, $arc)
{
$dir = $this->tempDir();
if (!$dir) {
return false;
}
$basename = $this->_basename($path);
$localPath = $dir . DIRECTORY_SEPARATOR . $basename;
if (!ftp_get($this->connect, $localPath, $path, FTP_BINARY)) {
//cleanup
$this->rmdirRecursive($dir);
return false;
}
$this->unpackArchive($localPath, $arc);
$this->archiveSize = 0;
// find symlinks and check extracted items
$checkRes = $this->checkExtractItems($dir);
if ($checkRes['symlinks']) {
$this->rmdirRecursive($dir);
return $this->setError(array_merge($this->error, array(elFinder::ERROR_ARC_SYMLINKS)));
}
$this->archiveSize = $checkRes['totalSize'];
if ($checkRes['rmNames']) {
foreach ($checkRes['rmNames'] as $name) {
$this->addError(elFinder::ERROR_SAVE, $name);
}
}
$filesToProcess = self::listFilesInDirectory($dir, true);
// no files - extract error ?
if (empty($filesToProcess)) {
$this->rmdirRecursive($dir);
return false;
}
// check max files size
if ($this->options['maxArcFilesSize'] > 0 && $this->options['maxArcFilesSize'] < $this->archiveSize) {
$this->rmdirRecursive($dir);
return $this->setError(elFinder::ERROR_ARC_MAXSIZE);
}
$extractTo = $this->extractToNewdir; // 'auto', ture or false
// archive contains one item - extract in archive dir
$name = '';
$src = $dir . DIRECTORY_SEPARATOR . $filesToProcess[0];
if (($extractTo === 'auto' || !$extractTo) && count($filesToProcess) === 1 && is_file($src)) {
$name = $filesToProcess[0];
} else if ($extractTo === 'auto' || $extractTo) {
// for several files - create new directory
// create unique name for directory
$src = $dir;
$splits = elFinder::splitFileExtention(basename($path));
$name = $splits[0];
$test = $this->_joinPath(dirname($path), $name);
if ($this->stat($test)) {
$name = $this->uniqueName(dirname($path), $name, '-', false);
}
}
if ($name !== '' && is_file($src)) {
$result = $this->_joinPath(dirname($path), $name);
if (!ftp_put($this->connect, $result, $src, FTP_BINARY)) {
$this->rmdirRecursive($dir);
return false;
}
} else {
$dstDir = $this->_dirname($path);
$result = array();
if (is_dir($src) && $name) {
$target = $this->_joinPath($dstDir, $name);
$_stat = $this->_stat($target);
if ($_stat) {
if (!$this->options['copyJoin']) {
if ($_stat['mime'] === 'directory') {
$this->delTree($target);
} else {
$this->_unlink($target);
}
$_stat = false;
} else {
$dstDir = $target;
}
}
if (!$_stat && (!$dstDir = $this->_mkdir($dstDir, $name))) {
$this->rmdirRecursive($dir);
return false;
}
$result[] = $dstDir;
}
foreach ($filesToProcess as $name) {
$name = rtrim($name, DIRECTORY_SEPARATOR);
$src = $dir . DIRECTORY_SEPARATOR . $name;
if (is_dir($src)) {
$p = dirname($name);
if ($p === '.') {
$p = '';
}
$name = basename($name);
$target = $this->_joinPath($this->_joinPath($dstDir, $p), $name);
$_stat = $this->_stat($target);
if ($_stat) {
if (!$this->options['copyJoin']) {
if ($_stat['mime'] === 'directory') {
$this->delTree($target);
} else {
$this->_unlink($target);
}
$_stat = false;
}
}
if (!$_stat && (!$target = $this->_mkdir($this->_joinPath($dstDir, $p), $name))) {
$this->rmdirRecursive($dir);
return false;
}
} else {
$target = $this->_joinPath($dstDir, $name);
if (!ftp_put($this->connect, $target, $src, FTP_BINARY)) {
$this->rmdirRecursive($dir);
return false;
}
}
$result[] = $target;
}
if (!$result) {
$this->rmdirRecursive($dir);
return false;
}
}
is_dir($dir) && $this->rmdirRecursive($dir);
$this->clearcache();
return $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 $arc archiver options
*
* @return string|bool
* @throws elFinderAbortException
* @author Dmitry (dio) Levashov,
* @author Alexey Sukhotin
*/
protected function _archive($dir, $files, $name, $arc)
{
// get current directory
$cwd = getcwd();
$tmpDir = $this->tempDir();
if (!$tmpDir) {
return false;
}
//download data
if (!$this->ftp_download_files($dir, $files, $tmpDir)) {
//cleanup
$this->rmdirRecursive($tmpDir);
return false;
}
$remoteArchiveFile = false;
if ($path = $this->makeArchive($tmpDir, $files, $name, $arc)) {
$remoteArchiveFile = $this->_joinPath($dir, $name);
if (!ftp_put($this->connect, $remoteArchiveFile, $path, FTP_BINARY)) {
$remoteArchiveFile = false;
}
}
//cleanup
if (!$this->rmdirRecursive($tmpDir)) {
return false;
}
return $remoteArchiveFile;
}
/**
* Create writable temporary directory and return path to it.
*
* @return string path to the new temporary directory or false in case of error.
*/
private function tempDir()
{
$tempPath = tempnam($this->tmp, 'elFinder');
if (!$tempPath) {
$this->setError(elFinder::ERROR_CREATING_TEMP_DIR, $this->tmp);
return false;
}
$success = unlink($tempPath);
if (!$success) {
$this->setError(elFinder::ERROR_CREATING_TEMP_DIR, $this->tmp);
return false;
}
$success = mkdir($tempPath, 0700, true);
if (!$success) {
$this->setError(elFinder::ERROR_CREATING_TEMP_DIR, $this->tmp);
return false;
}
return $tempPath;
}
/**
* Gets an array of absolute remote FTP paths of files and
* folders in $remote_directory omitting symbolic links.
*
* @param $remote_directory string remote FTP path to scan for file and folders recursively
* @param $targets array Array of target item. `null` is to get all of items
*
* @return array of elements each of which is an array of two elements:
* <ul>
* <li>$item['path'] - absolute remote FTP path</li>
* <li>$item['type'] - either 'f' for file or 'd' for directory</li>
* </ul>
*/
protected function ftp_scan_dir($remote_directory, $targets = null)
{
$buff = $this->ftpRawList($remote_directory);
$items = array();
if ($targets && is_array($targets)) {
$targets = array_flip($targets);
} else {
$targets = false;
}
foreach ($buff as $str) {
$info = preg_split("/\s+/", $str, 9);
if (!isset($this->ftpOsUnix)) {
$this->ftpOsUnix = !preg_match('/\d/', substr($info[0], 0, 1));
}
if (!$this->ftpOsUnix) {
$info = $this->normalizeRawWindows($str);
}
$type = substr($info[0], 0, 1);
$name = trim($info[8]);
if ($name !== '.' && $name !== '..' && (!$targets || isset($targets[$name]))) {
switch ($type) {
case 'l' : //omit symbolic links
case 'd' :
$remote_file_path = $this->_joinPath($remote_directory, $name);
$item = array();
$item['path'] = $remote_file_path;
$item['type'] = 'd'; // normal file
$items[] = $item;
$items = array_merge($items, $this->ftp_scan_dir($remote_file_path));
break;
default:
$remote_file_path = $this->_joinPath($remote_directory, $name);
$item = array();
$item['path'] = $remote_file_path;
$item['type'] = 'f'; // normal file
$items[] = $item;
}
}
}
return $items;
}
/**
* Downloads specified files from remote directory
* if there is a directory among files it is downloaded recursively (omitting symbolic links).
*
* @param $remote_directory string remote FTP path to a source directory to download from.
* @param array $files list of files to download from remote directory.
* @param $dest_local_directory string destination folder to store downloaded files.
*
* @return bool true on success and false on failure.
*/
private function ftp_download_files($remote_directory, array $files, $dest_local_directory)
{
$contents = $this->ftp_scan_dir($remote_directory, $files);
if (!isset($contents)) {
$this->setError(elFinder::ERROR_FTP_DOWNLOAD_FILE, $remote_directory);
return false;
}
$remoteDirLen = strlen($remote_directory);
foreach ($contents as $item) {
$relative_path = substr($item['path'], $remoteDirLen);
$local_path = $dest_local_directory . DIRECTORY_SEPARATOR . $relative_path;
switch ($item['type']) {
case 'd':
$success = mkdir($local_path);
break;
case 'f':
$success = ftp_get($this->connect, $local_path, $item['path'], FTP_BINARY);
break;
default:
$success = true;
}
if (!$success) {
$this->setError(elFinder::ERROR_FTP_DOWNLOAD_FILE, $remote_directory);
return false;
}
}
return true;
}
/**
* Delete local directory recursively.
*
* @param $dirPath string to directory to be erased.
*
* @return bool true on success and false on failure.
* @throws Exception
*/
private function deleteDir($dirPath)
{
if (!is_dir($dirPath)) {
$success = unlink($dirPath);
} else {
$success = true;
foreach (array_reverse(elFinderVolumeFTP::listFilesInDirectory($dirPath, false)) as $path) {
$path = $dirPath . DIRECTORY_SEPARATOR . $path;
if (is_link($path)) {
unlink($path);
} else if (is_dir($path)) {
$success = rmdir($path);
} else {
$success = unlink($path);
}
if (!$success) {
break;
}
}
if ($success) {
$success = rmdir($dirPath);
}
}
if (!$success) {
$this->setError(elFinder::ERROR_RM, $dirPath);
return false;
}
return $success;
}
/**
* Returns array of strings containing all files and folders in the specified local directory.
*
* @param $dir
* @param $omitSymlinks
* @param string $prefix
*
* @return array array of files and folders names relative to the $path
* or an empty array if the directory $path is empty,
* <br />
* false if $path is not a directory or does not exist.
* @throws Exception
* @internal param string $path path to directory to scan.
*/
private static function listFilesInDirectory($dir, $omitSymlinks, $prefix = '')
{
if (!is_dir($dir)) {
return false;
}
$excludes = array(".", "..");
$result = array();
$files = self::localScandir($dir);
if (!$files) {
return array();
}
foreach ($files as $file) {
if (!in_array($file, $excludes)) {
$path = $dir . DIRECTORY_SEPARATOR . $file;
if (is_link($path)) {
if ($omitSymlinks) {
continue;
} else {
$result[] = $prefix . $file;
}
} else if (is_dir($path)) {
$result[] = $prefix . $file . DIRECTORY_SEPARATOR;
$subs = elFinderVolumeFTP::listFilesInDirectory($path, $omitSymlinks, $prefix . $file . DIRECTORY_SEPARATOR);
if ($subs) {
$result = array_merge($result, $subs);
}
} else {
$result[] = $prefix . $file;
}
}
}
return $result;
}
} // END class