<?php
 class elFinder {
 protected static $ApiVersion = 2.1;
 protected $version;
 protected static $ApiRevision = 50;
 protected $volumes = array();
 public static $instance = null;
 public static $currentArgs = array();
 public static $netDrivers = array();
 public static $locale = '';
 public static $defaultMimefile = '';
 public static $tmpLinkPath = '';
 public static $tmpLinkUrl = '';
 public static $tmpLinkLifeTime = 3600;
 public static $textMimes = array( 'application/dash+xml', 'application/docbook+xml', 'application/javascript', 'application/json', 'application/plt', 'application/sat', 'application/sql', 'application/step', 'application/vnd.hp-hpgl', 'application/x-awk', 'application/x-config', 'application/x-csh', 'application/x-empty', 'application/x-mpegurl', 'application/x-perl', 'application/x-php', 'application/x-web-config', 'application/xhtml+xml', 'application/xml', 'audio/x-mp3-playlist', 'image/cgm', 'image/svg+xml', 'image/vnd.dxf', 'model/iges' );
 public static $memoryLimitGD = 0;
 protected static $abortCheckFile = null;
 protected $session;
 public static $sessionCacheKey = '';
 private static $sessionClosed = false;
 protected static $base64encodeSessionData = false;
 protected static $commonTempPath = '';
 protected $urlUploadFilter = null;
 protected static $connectionFlagsPath = '';
 protected $optionsNetVolumes = array();
 protected $netVolumesSessionKey = '';
 public static $volumesCnt = 1;
 protected $default = null;
 protected $commands = array( 'abort' => array('id' => true), 'archive' => array('targets' => true, 'type' => true, 'mimes' => false, 'name' => false), 'callback' => array('node' => true, 'json' => false, 'bind' => false, 'done' => false), 'chmod' => array('targets' => true, 'mode' => true), 'dim' => array('target' => true, 'substitute' => false), 'duplicate' => array('targets' => true, 'suffix' => false), 'editor' => array('name' => true, 'method' => true, 'args' => false), 'extract' => array('target' => true, 'mimes' => false, 'makedir' => false), 'file' => array('target' => true, 'download' => false, 'cpath' => false, 'onetime' => false), 'get' => array('target' => true, 'conv' => false), 'info' => array('targets' => true, 'compare' => false), 'ls' => array('target' => true, 'mimes' => false, 'intersect' => false), 'mkdir' => array('target' => true, 'name' => false, 'dirs' => false), 'mkfile' => array('target' => true, 'name' => true, 'mimes' => false), 'netmount' => array('protocol' => true, 'host' => true, 'path' => false, 'port' => false, 'user' => false, 'pass' => false, 'alias' => false, 'options' => false), 'open' => array('target' => false, 'tree' => false, 'init' => false, 'mimes' => false, 'compare' => false), 'parents' => array('target' => true, 'until' => false), 'paste' => array('dst' => true, 'targets' => true, 'cut' => false, 'mimes' => false, 'renames' => false, 'hashes' => false, 'suffix' => false), 'put' => array('target' => true, 'content' => '', 'mimes' => false, 'encoding' => false), 'rename' => array('target' => true, 'name' => true, 'mimes' => false, 'targets' => false, 'q' => false), 'resize' => array('target' => true, 'width' => false, 'height' => false, 'mode' => false, 'x' => false, 'y' => false, 'degree' => false, 'quality' => false, 'bg' => false), 'rm' => array('targets' => true), 'search' => array('q' => true, 'mimes' => false, 'target' => false, 'type' => false), 'size' => array('targets' => true), 'subdirs' => array('targets' => true), 'tmb' => array('targets' => true), 'tree' => array('target' => true), 'upload' => array('target' => true, 'FILES' => true, 'mimes' => false, 'html' => false, 'upload' => false, 'name' => false, 'upload_path' => false, 'chunk' => false, 'cid' => false, 'node' => false, 'renames' => false, 'hashes' => false, 'suffix' => false, 'mtime' => false, 'overwrite' => false, 'contentSaveId' => false), 'url' => array('target' => true, 'options' => false), 'zipdl' => array('targets' => true, 'download' => false) );
 protected $plugins = array();
 protected $listeners = array();
 protected $time = 0;
 protected $loaded = false;
 protected $debug = false;
 protected $sessionCloseEarlier = true;
 protected $sessionUseCmds = array();
 protected $timeout = 0;
 protected $uploadTempPath = '';
 protected $maxArcFilesSize = 0;
 protected $uploadDebug = '';
 public $maxTargets = 1000;
 public static $phpErrors = array();
 public $mountErrors = array();
 public static $archivers = array();
 protected $callbackWindowURL = '';
 protected $autoUnlocks = array();
 protected $itemLockExpire = 3600;
 protected $customData = null;
 protected $removeContentSaveIds = array();
 protected $throwErrorOnExec = false;
 const ERROR_ACCESS_DENIED = 'errAccess';
 const ERROR_ARC_MAXSIZE = 'errArcMaxSize';
 const ERROR_ARC_SYMLINKS = 'errArcSymlinks';
 const ERROR_ARCHIVE = 'errArchive';
 const ERROR_ARCHIVE_EXEC = 'errArchiveExec';
 const ERROR_ARCHIVE_TYPE = 'errArcType';
 const ERROR_CONF = 'errConf';
 const ERROR_CONF_NO_JSON = 'errJSON';
 const ERROR_CONF_NO_VOL = 'errNoVolumes';
 const ERROR_CONV_UTF8 = 'errConvUTF8';
 const ERROR_COPY = 'errCopy';
 const ERROR_COPY_FROM = 'errCopyFrom';
 const ERROR_COPY_ITSELF = 'errCopyInItself';
 const ERROR_COPY_TO = 'errCopyTo';
 const ERROR_CREATING_TEMP_DIR = 'errCreatingTempDir';
 const ERROR_DIR_NOT_FOUND = 'errFolderNotFound';
 const ERROR_EXISTS = 'errExists';
 const ERROR_EXTRACT = 'errExtract';
 const ERROR_EXTRACT_EXEC = 'errExtractExec';
 const ERROR_FILE_NOT_FOUND = 'errFileNotFound';
 const ERROR_FTP_DOWNLOAD_FILE = 'errFtpDownloadFile';
 const ERROR_FTP_MKDIR = 'errFtpMkdir';
 const ERROR_FTP_UPLOAD_FILE = 'errFtpUploadFile';
 const ERROR_INV_PARAMS = 'errCmdParams';
 const ERROR_INVALID_DIRNAME = 'errInvDirname';
 const ERROR_INVALID_NAME = 'errInvName';
 const ERROR_LOCKED = 'errLocked';
 const ERROR_MAX_TARGTES = 'errMaxTargets';
 const ERROR_MKDIR = 'errMkdir';
 const ERROR_MKFILE = 'errMkfile';
 const ERROR_MKOUTLINK = 'errMkOutLink';
 const ERROR_MOVE = 'errMove';
 const ERROR_NETMOUNT = 'errNetMount';
 const ERROR_NETMOUNT_FAILED = 'errNetMountFailed';
 const ERROR_NETMOUNT_NO_DRIVER = 'errNetMountNoDriver';
 const ERROR_NETUNMOUNT = 'errNetUnMount';
 const ERROR_NOT_ARCHIVE = 'errNoArchive';
 const ERROR_NOT_DIR = 'errNotFolder';
 const ERROR_NOT_FILE = 'errNotFile';
 const ERROR_NOT_REPLACE = 'errNotReplace';
 const ERROR_NOT_UTF8_CONTENT = 'errNotUTF8Content';
 const ERROR_OPEN = 'errOpen';
 const ERROR_PERM_DENIED = 'errPerm';
 const ERROR_REAUTH_REQUIRE = 'errReauthRequire';
 const ERROR_RENAME = 'errRename';
 const ERROR_REPLACE = 'errReplace';
 const ERROR_RESIZE = 'errResize';
 const ERROR_RESIZESIZE = 'errResizeSize';
 const ERROR_RM = 'errRm';
 const ERROR_RM_SRC = 'errRmSrc';
 const ERROR_SAVE = 'errSave';
 const ERROR_SEARCH_TIMEOUT = 'errSearchTimeout';
 const ERROR_SESSION_EXPIRES = 'errSessionExpires';
 const ERROR_TRGDIR_NOT_FOUND = 'errTrgFolderNotFound';
 const ERROR_UNKNOWN = 'errUnknown';
 const ERROR_UNKNOWN_CMD = 'errUnknownCmd';
 const ERROR_UNSUPPORT_TYPE = 'errUsupportType';
 const ERROR_UPLOAD = 'errUpload';
 const ERROR_UPLOAD_FILE = 'errUploadFile';
 const ERROR_UPLOAD_FILE_MIME = 'errUploadMime';
 const ERROR_UPLOAD_FILE_SIZE = 'errUploadFileSize';
 const ERROR_UPLOAD_NO_FILES = 'errUploadNoFiles';
 const ERROR_UPLOAD_TEMP = 'errUploadTemp';
 const ERROR_UPLOAD_TOTAL_SIZE = 'errUploadTotalSize';
 const ERROR_UPLOAD_TRANSFER = 'errUploadTransfer';
 public function __construct($opts) {
 if (version_compare(PHP_VERSION, '5.6', '>=')) {
 if (($_val = ini_get('iconv.internal_encoding')) && strtoupper($_val) !== 'UTF-8') {
 ini_set('iconv.internal_encoding', '');
 }
 if (($_val = ini_get('mbstring.internal_encoding')) && strtoupper($_val) !== 'UTF-8') {
 ini_set('mbstring.internal_encoding', '');
 }
 if (($_val = ini_get('internal_encoding')) && strtoupper($_val) !== 'UTF-8') {
 ini_set('internal_encoding', '');
 }
 }
 else {
 if (function_exists('iconv_set_encoding') && strtoupper(iconv_get_encoding('internal_encoding')) !== 'UTF-8') {
 iconv_set_encoding('internal_encoding', 'UTF-8');
 }
 if (function_exists('mb_internal_encoding') && strtoupper(mb_internal_encoding()) !== 'UTF-8') {
 mb_internal_encoding('UTF-8');
 }
 }
 ini_set('default_charset', 'UTF-8');
 !defined('ELFINDER_TAR_PATH') && define('ELFINDER_TAR_PATH', 'tar');
 !defined('ELFINDER_GZIP_PATH') && define('ELFINDER_GZIP_PATH', 'gzip');
 !defined('ELFINDER_BZIP2_PATH') && define('ELFINDER_BZIP2_PATH', 'bzip2');
 !defined('ELFINDER_XZ_PATH') && define('ELFINDER_XZ_PATH', 'xz');
 !defined('ELFINDER_ZIP_PATH') && define('ELFINDER_ZIP_PATH', 'zip');
 !defined('ELFINDER_UNZIP_PATH') && define('ELFINDER_UNZIP_PATH', 'unzip');
 !defined('ELFINDER_RAR_PATH') && define('ELFINDER_RAR_PATH', 'rar');
 !defined('ELFINDER_UNRAR_PATH') && define('ELFINDER_UNRAR_PATH', 'unrar');
 !defined('ELFINDER_7Z_PATH') && define('ELFINDER_7Z_PATH', (substr(PHP_OS, 0, 3) === 'WIN') ? '7z' : '7za');
 !defined('ELFINDER_CONVERT_PATH') && define('ELFINDER_CONVERT_PATH', 'convert');
 !defined('ELFINDER_IDENTIFY_PATH') && define('ELFINDER_IDENTIFY_PATH', 'identify');
 !defined('ELFINDER_EXIFTRAN_PATH') && define('ELFINDER_EXIFTRAN_PATH', 'exiftran');
 !defined('ELFINDER_JPEGTRAN_PATH') && define('ELFINDER_JPEGTRAN_PATH', 'jpegtran');
 !defined('ELFINDER_FFMPEG_PATH') && define('ELFINDER_FFMPEG_PATH', 'ffmpeg');
 !defined('ELFINDER_DISABLE_ZIPEDITOR') && define('ELFINDER_DISABLE_ZIPEDITOR', false);
 !defined('ELFINDER_IMAGEMAGICK_PS') && define('ELFINDER_IMAGEMAGICK_PS', false);
 $this->version = (string)self::$ApiVersion;
 $errLevel = E_WARNING | E_NOTICE | E_USER_WARNING | E_USER_NOTICE | E_STRICT | E_RECOVERABLE_ERROR;
 if (defined('E_DEPRECATED')) {
 $errLevel |= E_DEPRECATED | E_USER_DEPRECATED;
 }
 set_error_handler('elFinder::phpErrorHandler', $errLevel);
 $GLOBALS['elFinderTempFiles'] = array();
 register_shutdown_function(array('elFinder', 'onShutdown'));
 if (!empty($_SERVER['PATH_INFO'])) {
 $_ps = explode('/', trim($_SERVER['PATH_INFO'], '/'));
 if (!isset($_GET['cmd'])) {
 $_cmd = $_ps[0];
 if (isset($this->commands[$_cmd])) {
 $_GET['cmd'] = $_cmd;
 $_i = 1;
 foreach (array_keys($this->commands[$_cmd]) as $_k) {
 if (isset($_ps[$_i])) {
 if (!isset($_GET[$_k])) {
 $_GET[$_k] = $_ps[$_i];
 }
 }
 else {
 break;
 }
 }
 }
 }
 }
 elFinder::$instance = $this;
 $this->debug = (isset($opts['debug']) && $opts['debug'] ? true : false);
 if ($this->debug) {
 error_reporting(defined('ELFINDER_DEBUG_ERRORLEVEL') ? ELFINDER_DEBUG_ERRORLEVEL : -1);
 ini_set('display_errors', '1');
 while (ob_get_level() && ob_end_clean()) {
 }
 }
 if (!interface_exists('elFinderSessionInterface')) {
 include_once dirname(__FILE__) . '/elFinderSessionInterface.php';
 }
 if (!empty($opts['session']) && $opts['session'] instanceof elFinderSessionInterface) {
 $this->session = $opts['session'];
 }
 else {
 $sessionOpts = array( 'base64encode' => !empty($opts['base64encodeSessionData']), 'keys' => array( 'default' => !empty($opts['sessionCacheKey']) ? $opts['sessionCacheKey'] : 'elFinderCaches', 'netvolume' => !empty($opts['netVolumesSessionKey']) ? $opts['netVolumesSessionKey'] : 'elFinderNetVolumes' ) );
 if (!class_exists('elFinderSession')) {
 include_once dirname(__FILE__) . '/elFinderSession.php';
 }
 $this->session = new elFinderSession($sessionOpts);
 }
 $this->session->start();
 $sessionUseCmds = array('netmount');
 if (isset($opts['sessionUseCmds']) && is_array($opts['sessionUseCmds'])) {
 $sessionUseCmds = array_merge($sessionUseCmds, $opts['sessionUseCmds']);
 }
 if (isset($_SERVER['HTTP_X_ELFINDER_VOLUMESCNTSTART']) && ($volumesCntStart = intval($_SERVER['HTTP_X_ELFINDER_VOLUMESCNTSTART']))) {
 self::$volumesCnt = $volumesCntStart;
 }
 $this->time = $this->utime();
 $this->sessionCloseEarlier = isset($opts['sessionCloseEarlier']) ? (bool)$opts['sessionCloseEarlier'] : true;
 $this->sessionUseCmds = array_flip($sessionUseCmds);
 $this->timeout = (isset($opts['timeout']) ? $opts['timeout'] : 0);
 $this->uploadTempPath = (isset($opts['uploadTempPath']) ? $opts['uploadTempPath'] : '');
 $this->callbackWindowURL = (isset($opts['callbackWindowURL']) ? $opts['callbackWindowURL'] : '');
 $this->maxTargets = (isset($opts['maxTargets']) ? intval($opts['maxTargets']) : $this->maxTargets);
 elFinder::$commonTempPath = (isset($opts['commonTempPath']) ? realpath($opts['commonTempPath']) : dirname(__FILE__) . '/.tmp');
 if (!is_writable(elFinder::$commonTempPath)) {
 elFinder::$commonTempPath = sys_get_temp_dir();
 if (!is_writable(elFinder::$commonTempPath)) {
 elFinder::$commonTempPath = '';
 }
 }
 if (isset($opts['connectionFlagsPath']) && is_writable($opts['connectionFlagsPath'] = realpath($opts['connectionFlagsPath']))) {
 elFinder::$connectionFlagsPath = $opts['connectionFlagsPath'];
 }
 else {
 elFinder::$connectionFlagsPath = elFinder::$commonTempPath;
 }
 if (!empty($opts['tmpLinkPath'])) {
 elFinder::$tmpLinkPath = realpath($opts['tmpLinkPath']);
 }
 if (!empty($opts['tmpLinkUrl'])) {
 elFinder::$tmpLinkUrl = $opts['tmpLinkUrl'];
 }
 if (!empty($opts['tmpLinkLifeTime'])) {
 elFinder::$tmpLinkLifeTime = $opts['tmpLinkLifeTime'];
 }
 if (!empty($opts['textMimes']) && is_array($opts['textMimes'])) {
 elfinder::$textMimes = $opts['textMimes'];
 }
 if (!empty($opts['urlUploadFilter'])) {
 $this->urlUploadFilter = $opts['urlUploadFilter'];
 }
 $this->maxArcFilesSize = isset($opts['maxArcFilesSize']) ? intval($opts['maxArcFilesSize']) : 0;
 $this->optionsNetVolumes = (isset($opts['optionsNetVolumes']) && is_array($opts['optionsNetVolumes'])) ? $opts['optionsNetVolumes'] : array();
 if (isset($opts['itemLockExpire'])) {
 $this->itemLockExpire = intval($opts['itemLockExpire']);
 }
 $this->netVolumesSessionKey = !empty($opts['netVolumesSessionKey']) ? $opts['netVolumesSessionKey'] : 'elFinderNetVolumes';
 self::$sessionCacheKey = !empty($opts['sessionCacheKey']) ? $opts['sessionCacheKey'] : 'elFinderCaches';
 $_optsMD5 = md5(json_encode($opts['roots']));
 if ($this->session->get('_optsMD5') !== $_optsMD5) {
 $this->session->set('_optsMD5', $_optsMD5);
 }
 self::$locale = !empty($opts['locale']) ? $opts['locale'] : (substr(PHP_OS, 0, 3) === 'WIN' ? 'C' : 'en_US.UTF-8');
 if (false === setlocale(LC_ALL, self::$locale)) {
 self::$locale = setlocale(LC_ALL, '0');
 }
 elFinder::$defaultMimefile = isset($opts['defaultMimefile']) ? $opts['defaultMimefile'] : '';
 elFinder::$memoryLimitGD = isset($opts['memoryLimitGD']) ? $opts['memoryLimitGD'] : 0;
 $this->throwErrorOnExec = !empty($opts['throwErrorOnExec']);
 elFinder::$archivers = isset($opts['archivers']) && is_array($opts['archivers']) ? $opts['archivers'] : array();
 if (!empty($opts['bind']) && is_array($opts['bind'])) {
 $_req = $_SERVER["REQUEST_METHOD"] == 'POST' ? $_POST : $_GET;
 $_reqCmd = isset($_req['cmd']) ? $_req['cmd'] : '';
 foreach ($opts['bind'] as $cmd => $handlers) {
 $doRegist = (strpos($cmd, '*') !== false);
 if (!$doRegist) {
 $doRegist = ($_reqCmd && in_array($_reqCmd, array_map('self::getCmdOfBind', explode(' ', $cmd))));
 }
 if ($doRegist) {
 if (!is_array($handlers)) {
 $handlers = array($handlers);
 }
 else {
 if (count($handlers) === 2 && is_callable($handlers)) {
 $handlers = array($handlers);
 }
 }
 foreach ($handlers as $handler) {
 if ($handler) {
 if (is_string($handler) && strpos($handler, '.')) {
 list($_domain, $_name, $_method) = array_pad(explode('.', $handler), 3, '');
 if (strcasecmp($_domain, 'plugin') === 0) {
 if ($plugin = $this->getPluginInstance($_name, isset($opts['plugin'][$_name]) ? $opts['plugin'][$_name] : array()) and method_exists($plugin, $_method)) {
 $this->bind($cmd, array($plugin, $_method));
 }
 }
 }
 else {
 $this->bind($cmd, $handler);
 }
 }
 }
 }
 }
 }
 if (!isset($opts['roots']) || !is_array($opts['roots'])) {
 $opts['roots'] = array();
 }
 if (empty(elFinder::$netDrivers['ziparchive'])) {
 elFinder::$netDrivers['ziparchive'] = 'FlysystemZipArchiveNetmount';
 }
 $netVolumes = $this->getNetVolumes();
 foreach ($netVolumes as $key => $root) {
 if (!isset($root['id'])) {
 if (!$root['id'] = $this->getNetVolumeUniqueId($netVolumes)) {
 $this->mountErrors[] = 'Netmount Driver "' . $root['driver'] . '" : Could\'t given volume id.';
 continue;
 }
 }
 $opts['roots'][$key] = $root;
 }
 foreach ($opts['roots'] as $i => $o) {
 $class = 'elFinderVolume' . (isset($o['driver']) ? $o['driver'] : '');
 if (class_exists($class)) {
 $volume = new $class();
 try {
 if ($this->maxArcFilesSize && (empty($o['maxArcFilesSize']) || $this->maxArcFilesSize < $o['maxArcFilesSize'])) {
 $o['maxArcFilesSize'] = $this->maxArcFilesSize;
 }
 $volume->setSession($this->session);
 if ($volume->mount($o)) {
 $id = $volume->id();
 $this->volumes[$id] = $volume;
 if ((!$this->default || $volume->root() !== $volume->defaultPath()) && $volume->isReadable()) {
 $this->default = $this->volumes[$id];
 }
 }
 else {
 $this->removeNetVolume($i, $volume);
 $this->mountErrors[] = 'Driver "' . $class . '" : ' . implode(' ', $volume->error());
 }
 }
 catch (Exception $e) {
 $this->removeNetVolume($i, $volume);
 $this->mountErrors[] = 'Driver "' . $class . '" : ' . $e->getMessage();
 }
 }
 else {
 $this->removeNetVolume($i, null);
 $this->mountErrors[] = 'Driver "' . $class . '" does not exist';
 }
 }
 $this->loaded = !empty($this->default);
 restore_error_handler();
 }
 public function getSession() {
 return $this->session;
 }
 public function loaded() {
 return $this->loaded;
 }
 public function version() {
 return self::$ApiVersion;
 }
 public function revision() {
 return self::$ApiRevision;
 }
 public function bind($cmd, $handler) {
 $allCmds = array_keys($this->commands);
 $cmds = array();
 foreach (explode(' ', $cmd) as $_cmd) {
 if ($_cmd !== '') {
 if ($all = strpos($_cmd, '*') !== false) {
 list(, $sub) = array_pad(explode('.', $_cmd), 2, '');
 if ($sub) {
 $sub = str_replace('\'', '\\\'', $sub);
 $subs = array_fill(0, count($allCmds), $sub);
 $cmds = array_merge($cmds, array_map(array('elFinder', 'addSubToBindName'), $allCmds, $subs));
 }
 else {
 $cmds = array_merge($cmds, $allCmds);
 }
 }
 else {
 $cmds[] = $_cmd;
 }
 }
 }
 $cmds = array_unique($cmds);
 foreach ($cmds as $cmd) {
 if (!isset($this->listeners[$cmd])) {
 $this->listeners[$cmd] = array();
 }
 if (is_callable($handler)) {
 $this->listeners[$cmd][] = $handler;
 }
 }
 return $this;
 }
 public function unbind($cmd, $handler) {
 if (!empty($this->listeners[$cmd])) {
 foreach ($this->listeners[$cmd] as $i => $h) {
 if ($h === $handler) {
 unset($this->listeners[$cmd][$i]);
 return $this;
 }
 }
 }
 return $this;
 }
 public function commandExists($cmd) {
 return $this->loaded && isset($this->commands[$cmd]) && method_exists($this, $cmd);
 }
 public function getVolume($hash) {
 return $this->volume($hash);
 }
 public function commandArgsList($cmd) {
 if ($this->commandExists($cmd)) {
 $list = $this->commands[$cmd];
 $list['reqid'] = false;
 }
 else {
 $list = array();
 }
 return $list;
 }
 private function session_expires() {
 if (!$last = $this->session->get(':LAST_ACTIVITY')) {
 $this->session->set(':LAST_ACTIVITY', time());
 return false;
 }
 if (($this->timeout > 0) && (time() - $last > $this->timeout)) {
 return true;
 }
 $this->session->set(':LAST_ACTIVITY', time());
 return false;
 }
 public function exec($cmd, $args) {
 set_error_handler('elFinder::phpErrorHandler', E_WARNING | E_NOTICE | E_USER_WARNING | E_USER_NOTICE);
 self::$currentArgs = $args;
 if (!$this->loaded) {
 return array('error' => $this->error(self::ERROR_CONF, self::ERROR_CONF_NO_VOL));
 }
 if ($this->session_expires()) {
 return array('error' => $this->error(self::ERROR_SESSION_EXPIRES));
 }
 if (!$this->commandExists($cmd)) {
 return array('error' => $this->error(self::ERROR_UNKNOWN_CMD));
 }
 $args['reqid'] = preg_replace('[^0-9a-fA-F]', '', !empty($args['reqid']) ? $args['reqid'] : (!empty($_SERVER['HTTP_X_ELFINDERREQID']) ? $_SERVER['HTTP_X_ELFINDERREQID'] : ''));
 if ($cmd === 'abort') {
 $this->abort($args);
 return array('error' => 0);
 }
 if ($args['reqid']) {
 $this->abort(array('makeFile' => $args['reqid']));
 }
 if (!empty($args['mimes']) && is_array($args['mimes'])) {
 foreach ($this->volumes as $id => $v) {
 $this->volumes[$id]->setMimesFilter($args['mimes']);
 }
 }
 register_shutdown_function(array($this, 'itemAutoUnlock'));
 $dstVolume = false;
 $dst = !empty($args['target']) ? $args['target'] : (!empty($args['dst']) ? $args['dst'] : '');
 if ($dst) {
 $dstVolume = $this->volume($dst);
 }
 else if (isset($args['targets']) && is_array($args['targets']) && isset($args['targets'][0])) {
 $dst = $args['targets'][0];
 $dstVolume = $this->volume($dst);
 if ($dstVolume && ($_stat = $dstVolume->file($dst)) && !empty($_stat['phash'])) {
 $dst = $_stat['phash'];
 }
 else {
 $dst = '';
 }
 }
 else if ($cmd === 'open') {
 $dstVolume = $this->default;
 $dst = $dstVolume->defaultPath();
 }
 $result = null;
 $args['sessionCloseEarlier'] = isset($this->sessionUseCmds[$cmd]) ? false : $this->sessionCloseEarlier;
 if (!empty($this->listeners[$cmd . '.pre'])) {
 foreach ($this->listeners[$cmd . '.pre'] as $handler) {
 $_res = call_user_func_array($handler, array($cmd, &$args, $this, $dstVolume));
 if (is_array($_res)) {
 if (!empty($_res['preventexec'])) {
 $result = array('error' => true);
 if ($cmd === 'upload' && !empty($args['node'])) {
 $result['callback'] = array( 'node' => $args['node'], 'bind' => $cmd );
 }
 if (!empty($_res['results']) && is_array($_res['results'])) {
 $result = array_merge($result, $_res['results']);
 }
 break;
 }
 }
 }
 }
 if ($this->sessionCloseEarlier && $args['sessionCloseEarlier']) {
 $this->session->close();
 elFinder::$sessionClosed = true;
 }
 if (substr(PHP_OS, 0, 3) === 'WIN') {
 elFinder::extendTimeLimit(300);
 }
 if (!is_array($result)) {
 try {
 $result = $this->$cmd($args);
 }
 catch (elFinderAbortException $e) {
 throw $e;
 }
 catch (Exception $e) {
 $result = array( 'error' => htmlspecialchars($e->getMessage()), 'sync' => true );
 if ($this->throwErrorOnExec) {
 throw $e;
 }
 }
 }
 $changeDst = false;
 if ($dst && $dstVolume && (!empty($result['added']) || !empty($result['removed']))) {
 $changeDst = true;
 }
 foreach ($this->volumes as $volume) {
 $removed = $volume->removed();
 if (!empty($removed)) {
 if (!isset($result['removed'])) {
 $result['removed'] = array();
 }
 $result['removed'] = array_merge($result['removed'], $removed);
 if (!$changeDst && $dst && $dstVolume && $volume === $dstVolume) {
 $changeDst = true;
 }
 }
 $added = $volume->added();
 if (!empty($added)) {
 if (!isset($result['added'])) {
 $result['added'] = array();
 }
 $result['added'] = array_merge($result['added'], $added);
 if (!$changeDst && $dst && $dstVolume && $volume === $dstVolume) {
 $changeDst = true;
 }
 }
 $volume->resetResultStat();
 }
 if ($changeDst) {
 if ($dstDir = $dstVolume->dir($dst)) {
 if (!isset($result['changed'])) {
 $result['changed'] = array();
 }
 $result['changed'][] = $dstDir;
 }
 }
 if (!empty($this->listeners[$cmd])) {
 foreach ($this->listeners[$cmd] as $handler) {
 if (call_user_func_array($handler, array($cmd, &$result, $args, $this, $dstVolume))) {
 $result['sync'] = true;
 }
 }
 }
 if (!empty($result['removed'])) {
 $removed = array();
 foreach ($result['removed'] as $file) {
 $removed[] = $file['hash'];
 }
 $result['removed'] = array_unique($removed);
 }
 if (!empty($result['added'])) {
 $result['added'] = $this->filter($result['added']);
 }
 if (!empty($result['changed'])) {
 $result['changed'] = $this->filter($result['changed']);
 }
 if ($this->debug || !empty($args['debug'])) {
 $result['debug'] = array( 'connector' => 'php', 'phpver' => PHP_VERSION, 'time' => $this->utime() - $this->time, 'memory' => (function_exists('memory_get_peak_usage') ? ceil(memory_get_peak_usage() / 1024) . 'Kb / ' : '') . ceil(memory_get_usage() / 1024) . 'Kb / ' . ini_get('memory_limit'), 'upload' => $this->uploadDebug, 'volumes' => array(), 'mountErrors' => $this->mountErrors, 'phpErrors' => elFinder::$phpErrors );
 elFinder::$phpErrors = array();
 foreach ($this->volumes as $id => $volume) {
 $result['debug']['volumes'][] = $volume->debug();
 }
 }
 if ($this->removeContentSaveIds) {
 $urlContentSaveIds = $this->session->get('urlContentSaveIds', array());
 foreach (array_keys($this->removeContentSaveIds) as $contentSaveId) {
 if (isset($urlContentSaveIds[$contentSaveId])) {
 unset($urlContentSaveIds[$contentSaveId]);
 }
 }
 if ($urlContentSaveIds) {
 $this->session->set('urlContentSaveIds', $urlContentSaveIds);
 }
 else {
 $this->session->remove('urlContentSaveIds');
 }
 }
 foreach ($this->volumes as $volume) {
 $volume->saveSessionCache();
 $volume->umount();
 }
 $this->itemAutoUnlock();
 if ($this->customData !== null) {
 $result['customData'] = $this->customData ? json_encode($this->customData) : '';
 }
 if (!empty($result['callback'])) {
 $result['callback']['json'] = json_encode($result);
 $this->callback($result['callback']);
 return array();
 }
 else {
 return $result;
 }
 }
 public function realpath($hash) {
 if (($volume = $this->volume($hash)) == false) {
 return false;
 }
 return $volume->realpath($hash);
 }
 public function setCustomData($key, $val = null) {
 if (is_array($key)) {
 foreach ($key as $k => $v) {
 $this->customData[$k] = $v;
 }
 }
 else {
 $this->customData[$key] = $val;
 }
 return $this;
 }
 public function removeCustomData($key) {
 $this->customData[$key] = null;
 return $this;
 }
 public function updateNetVolumeOption($netKey, $optionKey, $val) {
 $netVolumes = $this->getNetVolumes();
 if (is_string($netKey) && isset($netVolumes[$netKey]) && is_string($optionKey)) {
 $netVolumes[$netKey][$optionKey] = $val;
 }
 }
 public function removeUrlContentSaveId($id) {
 $this->removeContentSaveIds[$id] = true;
 }
 protected function getNetVolumes() {
 if ($data = $this->session->get('netvolume', array())) {
 return $data;
 }
 return array();
 }
 protected function saveNetVolumes($volumes) {
 $this->session->set('netvolume', $volumes);
 }
 protected function removeNetVolume($key, $volume) {
 $netVolumes = $this->getNetVolumes();
 $res = true;
 if (is_object($volume) && method_exists($volume, 'netunmount')) {
 $res = $volume->netunmount($netVolumes, $key);
 $volume->clearSessionCache();
 }
 if ($res) {
 if (is_string($key) && isset($netVolumes[$key])) {
 unset($netVolumes[$key]);
 $this->saveNetVolumes($netVolumes);
 return true;
 }
 }
 return false;
 }
 protected function getPluginInstance($name, $opts = array()) {
 $key = strtolower($name);
 if (!isset($this->plugins[$key])) {
 $class = 'elFinderPlugin' . $name;
 if (!class_exists($class)) {
 $p_file = dirname(__FILE__) . DIRECTORY_SEPARATOR . 'plugins' . DIRECTORY_SEPARATOR . $name . DIRECTORY_SEPARATOR . 'plugin.php';
 if (is_file($p_file)) {
 include_once $p_file;
 }
 }
 if (class_exists($class, false)) {
 $this->plugins[$key] = new $class($opts);
 }
 else {
 $this->plugins[$key] = false;
 }
 }
 return $this->plugins[$key];
 }
 public function error() {
 $errors = array();
 foreach (func_get_args() as $msg) {
 if (is_array($msg)) {
 $errors = array_merge($errors, $msg);
 }
 else {
 $errors[] = $msg;
 }
 }
 return count($errors) ? $errors : array(self::ERROR_UNKNOWN);
 }
 protected function netmount($args) {
 $options = array();
 $protocol = $args['protocol'];
 $toast = '';
 if ($protocol === 'netunmount') {
 if (!empty($args['user']) && $volume = $this->volume($args['user'])) {
 if ($this->removeNetVolume($args['host'], $volume)) {
 return array('removed' => array(array('hash' => $volume->root())));
 }
 }
 return array('sync' => true, 'error' => $this->error(self::ERROR_NETUNMOUNT));
 }
 $driver = isset(self::$netDrivers[$protocol]) ? self::$netDrivers[$protocol] : '';
 $class = 'elFinderVolume' . $driver;
 if (!class_exists($class)) {
 return array('error' => $this->error(self::ERROR_NETMOUNT, $args['host'], self::ERROR_NETMOUNT_NO_DRIVER));
 }
 if (!$args['path']) {
 $args['path'] = '/';
 }
 foreach ($args as $k => $v) {
 if ($k != 'options' && $k != 'protocol' && $v) {
 $options[$k] = $v;
 }
 }
 if (is_array($args['options'])) {
 foreach ($args['options'] as $key => $value) {
 $options[$key] = $value;
 }
 }
 $volume = new $class();
 $volume->setSession($this->session);
 if (is_callable(array($volume, 'netmountPrepare'))) {
 $options = $volume->netmountPrepare($options);
 if (isset($options['exit'])) {
 if ($options['exit'] === 'callback') {
 $this->callback($options['out']);
 }
 return $options;
 }
 if (!empty($options['toast'])) {
 $toast = $options['toast'];
 unset($options['toast']);
 }
 }
 $netVolumes = $this->getNetVolumes();
 if (!isset($options['id'])) {
 if (!$options['id'] = $this->getNetVolumeUniqueId($netVolumes)) {
 return array('error' => $this->error(self::ERROR_NETMOUNT, $args['host'], 'Could\'t given volume id.'));
 }
 }
 if (!empty($this->optionsNetVolumes['*'])) {
 $options = array_merge($this->optionsNetVolumes['*'], $options);
 }
 if (!empty($this->optionsNetVolumes[$protocol])) {
 $options = array_merge($this->optionsNetVolumes[$protocol], $options);
 }
 if (!$key = $volume->netMountKey) {
 $key = md5($protocol . '-' . serialize($options));
 }
 $options['netkey'] = $key;
 if (!isset($netVolumes[$key]) && $volume->mount($options)) {
 if (is_callable(array($volume, 'postNetmount'))) {
 $volume->postNetmount($options);
 }
 $options['driver'] = $driver;
 $netVolumes[$key] = $options;
 $this->saveNetVolumes($netVolumes);
 $rootstat = $volume->file($volume->root());
 $res = array('added' => array($rootstat));
 if ($toast) {
 $res['toast'] = $toast;
 }
 return $res;
 }
 else {
 $this->removeNetVolume(null, $volume);
 return array('error' => $this->error(self::ERROR_NETMOUNT, $args['host'], implode(' ', $volume->error())));
 }
 }
 protected function open($args) {
 $target = $args['target'];
 $init = !empty($args['init']);
 $tree = !empty($args['tree']);
 $volume = $this->volume($target);
 $cwd = $volume ? $volume->dir($target) : false;
 $hash = $init ? 'default folder' : '#' . $target;
 $compare = '';
 if ((!$cwd || !$cwd['read']) && $init) {
 $volume = $this->default;
 $target = $volume->defaultPath();
 $cwd = $volume->dir($target);
 }
 if (!$cwd) {
 return array('error' => $this->error(self::ERROR_OPEN, $hash, self::ERROR_DIR_NOT_FOUND));
 }
 if (!$cwd['read']) {
 return array('error' => $this->error(self::ERROR_OPEN, $hash, self::ERROR_PERM_DENIED));
 }
 $files = array();
 if (($ls = $volume->scandir($cwd['hash'])) === false) {
 return array('error' => $this->error(self::ERROR_OPEN, $cwd['name'], $volume->error()));
 }
 if (isset($cwd['dirs']) && $cwd['dirs'] != 1) {
 $cwd = $volume->dir($target);
 }
 if ($tree) {
 foreach ($this->volumes as $id => $v) {
 $files[] = $v->file($v->root());
 }
 }
 if ($args['compare']) {
 $sleep = max(1, (int)$volume->getOption('lsPlSleep'));
 $standby = (int)$volume->getOption('plStandby');
 if ($standby > 0 && $sleep > $standby) {
 $standby = $sleep;
 }
 $limit = max(0, floor($standby / $sleep)) + 1;
 do {
 elFinder::extendTimeLimit(30 + $sleep);
 $_mtime = 0;
 foreach ($ls as $_f) {
 $_mtime = max($_mtime, $_f['ts']);
 }
 $compare = strval(count($ls)) . ':' . strval($_mtime);
 if ($compare !== $args['compare']) {
 break;
 }
 if (--$limit) {
 sleep($sleep);
 $volume->clearstatcache();
 if (($ls = $volume->scandir($cwd['hash'])) === false) {
 break;
 }
 }
 }
 while ($limit);
 if ($ls === false) {
 return array('error' => $this->error(self::ERROR_OPEN, $cwd['name'], $volume->error()));
 }
 }
 if ($ls) {
 if ($files) {
 $files = array_merge($files, $ls);
 }
 else {
 $files = $ls;
 }
 }
 $result = array( 'cwd' => $cwd, 'options' => $volume->options($cwd['hash']), 'files' => $files );
 if ($compare) {
 $result['cwd']['compare'] = $compare;
 }
 if (!empty($args['init'])) {
 $result['api'] = sprintf('%.1F%03d', self::$ApiVersion, self::$ApiRevision);
 $result['uplMaxSize'] = ini_get('upload_max_filesize');
 $result['uplMaxFile'] = ini_get('max_file_uploads');
 $result['netDrivers'] = array_keys(self::$netDrivers);
 $result['maxTargets'] = $this->maxTargets;
 if ($volume) {
 $result['cwd']['root'] = $volume->root();
 }
 if (elfinder::$textMimes) {
 $result['textMimes'] = elfinder::$textMimes;
 }
 }
 return $result;
 }
 protected function ls($args) {
 $target = $args['target'];
 $intersect = isset($args['intersect']) ? $args['intersect'] : array();
 if (($volume = $this->volume($target)) == false || ($list = $volume->ls($target, $intersect)) === false) {
 return array('error' => $this->error(self::ERROR_OPEN, '#' . $target));
 }
 return array('list' => $list);
 }
 protected function tree($args) {
 $target = $args['target'];
 if (($volume = $this->volume($target)) == false || ($tree = $volume->tree($target)) == false) {
 return array('error' => $this->error(self::ERROR_OPEN, '#' . $target));
 }
 return array('tree' => $tree);
 }
 protected function parents($args) {
 $target = $args['target'];
 $until = $args['until'];
 if (($volume = $this->volume($target)) == false || ($tree = $volume->parents($target, false, $until)) == false) {
 return array('error' => $this->error(self::ERROR_OPEN, '#' . $target));
 }
 return array('tree' => $tree);
 }
 protected function tmb($args) {
 $result = array('images' => array());
 $targets = $args['targets'];
 foreach ($targets as $target) {
 elFinder::checkAborted();
 if (($volume = $this->volume($target)) != false && (($tmb = $volume->tmb($target)) != false)) {
 $result['images'][$target] = $tmb;
 }
 }
 return $result;
 }
 protected function zipdl($args) {
 $targets = $args['targets'];
 $download = !empty($args['download']);
 $h404 = 'HTTP/1.x 404 Not Found';
 if (!$download) {
 $error = array(self::ERROR_ARCHIVE);
 if (($volume = $this->volume($targets[0])) !== false) {
 if ($dlres = $volume->zipdl($targets)) {
 $path = $dlres['path'];
 register_shutdown_function(array('elFinder', 'rmFileInDisconnected'), $path);
 if (count($targets) === 1) {
 $name = basename($volume->path($targets[0]));
 }
 else {
 $name = $dlres['prefix'] . '_Files';
 }
 $name .= '.' . $dlres['ext'];
 $uniqid = uniqid();
 $this->session->set('zipdl' . $uniqid, basename($path));
 $result = array( 'zipdl' => array( 'file' => $uniqid, 'name' => $name, 'mime' => $dlres['mime'] ) );
 return $result;
 }
 $error = array_merge($error, $volume->error());
 }
 return array('error' => $error);
 }
 else {
 if (count($targets) !== 4 || ($volume = $this->volume($targets[0])) == false || !($file = $this->session->get('zipdl' . $targets[1]))) {
 return array('error' => 'File not found', 'header' => $h404, 'raw' => true);
 }
 $this->session->remove('zipdl' . $targets[1]);
 if ($volume->commandDisabled('zipdl')) {
 return array('error' => 'File not found', 'header' => $h404, 'raw' => true);
 }
 $path = $volume->getTempPath() . DIRECTORY_SEPARATOR . basename($file);
 if (!is_readable($path) || !is_writable($path)) {
 return array('error' => 'File not found', 'header' => $h404, 'raw' => true);
 }
 $GLOBALS['elFinderTempFiles'][$path] = true;
 $name = $targets[2];
 $mime = $targets[3];
 $filenameEncoded = rawurlencode($name);
 if (strpos($filenameEncoded, '%') === false) {
 $filename = 'filename="' . $name . '"';
 }
 else {
 $ua = $_SERVER['HTTP_USER_AGENT'];
 if (preg_match('/MSIE [4-8]/', $ua)) {
 $filename = 'filename="' . $filenameEncoded . '"';
 }
 elseif (strpos($ua, 'Chrome') === false && strpos($ua, 'Safari') !== false && preg_match('#Version/[3-5]#', $ua)) {
 $filename = 'filename="' . str_replace('"', '', $name) . '"';
 }
 else {
 $filename = 'filename*=UTF-8\'\'' . $filenameEncoded;
 }
 }
 $fp = fopen($path, 'rb');
 $file = fstat($fp);
 $result = array( 'pointer' => $fp, 'header' => array( 'Content-Type: ' . $mime, 'Content-Disposition: attachment; ' . $filename, 'Content-Transfer-Encoding: binary', 'Content-Length: ' . $file['size'], 'Accept-Ranges: none', 'Connection: close' ) );
 return $result;
 }
 }
 protected function file($args) {
 $target = $args['target'];
 $download = !empty($args['download']);
 $onetime = !empty($args['onetime']);
 $h404 = 'HTTP/1.0 404 Not Found';
 $a404 = array('error' => 'File not found', 'header' => $h404, 'raw' => true);
 if ($onetime) {
 $volume = null;
 $tmpdir = elFinder::$commonTempPath;
 if (!$tmpdir || !is_file($tmpf = $tmpdir . DIRECTORY_SEPARATOR . 'ELF' . $target)) {
 return $a404;
 }
 $GLOBALS['elFinderTempFiles'][$tmpf] = true;
 if ($file = json_decode(file_get_contents($tmpf), true)) {
 $src = base64_decode($file['file']);
 if (!is_file($src) || !($fp = fopen($src, 'rb'))) {
 return $a404;
 }
 if (strpos($src, $tmpdir) === 0) {
 $GLOBALS['elFinderTempFiles'][$src] = true;
 }
 unset($file['file']);
 $file['read'] = true;
 $file['size'] = filesize($src);
 }
 else {
 return $a404;
 }
 }
 else {
 if (($volume = $this->volume($target)) == false) {
 return $a404;
 }
 if (($file = $volume->file($target)) == false) {
 return $a404;
 }
 if (!$file['read']) {
 return $a404;
 }
 if (($fp = $volume->open($target)) == false) {
 return $a404;
 }
 }
 elFinder::checkAborted();
 $mime = isset($args['mime']) ? $args['mime'] : $file['mime'];
 if ($download || $onetime) {
 $disp = 'attachment';
 }
 else {
 $dispInlineRegex = $volume->getOption('dispInlineRegex');
 $inlineRegex = false;
 if ($dispInlineRegex) {
 $inlineRegex = '#' . str_replace('#', '\\#', $dispInlineRegex) . '#';
 try {
 preg_match($inlineRegex, '');
 }
 catch (Exception $e) {
 $inlineRegex = false;
 }
 }
 if (!$inlineRegex) {
 $inlineRegex = '#^(?:(?:image|text)|application/x-shockwave-flash$)#';
 }
 $disp = preg_match($inlineRegex, $mime) ? 'inline' : 'attachment';
 }
 $filenameEncoded = rawurlencode($file['name']);
 if (strpos($filenameEncoded, '%') === false) {
 $filename = 'filename="' . $file['name'] . '"';
 }
 else {
 $ua = isset($_SERVER['HTTP_USER_AGENT'])? $_SERVER['HTTP_USER_AGENT'] : '';
 if (preg_match('/MSIE [4-8]/', $ua)) {
 $filename = 'filename="' . $filenameEncoded . '"';
 }
 elseif (strpos($ua, 'Chrome') === false && strpos($ua, 'Safari') !== false && preg_match('#Version/[3-5]#', $ua)) {
 $filename = 'filename="' . str_replace('"', '', $file['name']) . '"';
 }
 else {
 $filename = 'filename*=UTF-8\'\'' . $filenameEncoded;
 }
 }
 if ($args['cpath'] && $args['reqid']) {
 setcookie('elfdl' . $args['reqid'], '1', 0, $args['cpath']);
 }
 $result = array( 'volume' => $volume, 'pointer' => $fp, 'info' => $file, 'header' => array( 'Content-Type: ' . $mime, 'Content-Disposition: ' . $disp . '; ' . $filename, 'Content-Transfer-Encoding: binary', 'Content-Length: ' . $file['size'], 'Last-Modified: ' . gmdate('D, d M Y H:i:s T', $file['ts']), 'Connection: close' ) );
 if (!$onetime) {
 if ($cacheHeaders = $volume->getOption('cacheHeaders')) {
 $result['header'] = array_merge($result['header'], $cacheHeaders);
 }
 $xsendfile = $volume->getOption('xsendfile');
 $path = null;
 if ($xsendfile) {
 $info = stream_get_meta_data($fp);
 if ($path = empty($info['uri']) ? null : $info['uri']) {
 $basePath = rtrim($volume->getOption('xsendfilePath'), DIRECTORY_SEPARATOR);
 if ($basePath) {
 $root = rtrim($volume->getRootPath(), DIRECTORY_SEPARATOR);
 if (strpos($path, $root) === 0) {
 $path = $basePath . substr($path, strlen($root));
 }
 else {
 $path = null;
 }
 }
 }
 }
 if ($path) {
 $result['header'][] = $xsendfile . ': ' . $path;
 $result['info']['xsendfile'] = $xsendfile;
 }
 }
 if (isset($file['url']) && $file['url'] && $file['url'] != 1) {
 $result['header'][] = 'Content-Location: ' . $file['url'];
 }
 return $result;
 }
 protected function size($args) {
 $size = 0;
 $files = 0;
 $dirs = 0;
 $itemCount = true;
 $sizes = array();
 foreach ($args['targets'] as $target) {
 elFinder::checkAborted();
 if (($volume = $this->volume($target)) == false || ($file = $volume->file($target)) == false || !$file['read']) {
 return array('error' => $this->error(self::ERROR_OPEN, '#' . $target));
 }
 $volRes = $volume->size($target);
 if (is_array($volRes)) {
 $sizeInfo = array('size' => 0, 'fileCnt' => 0, 'dirCnt' => 0);
 if (!empty($volRes['size'])) {
 $sizeInfo['size'] = $volRes['size'];
 $size += $volRes['size'];
 }
 if (!empty($volRes['files'])) {
 $sizeInfo['fileCnt'] = $volRes['files'];
 }
 if (!empty($volRes['dirs'])) {
 $sizeInfo['dirCnt'] = $volRes['dirs'];
 }
 if ($itemCount) {
 $files += $sizeInfo['fileCnt'];
 $dirs += $sizeInfo['dirCnt'];
 }
 $sizes[$target] = $sizeInfo;
 }
 else if (is_numeric($volRes)) {
 $size += $volRes;
 $files = $dirs = 'unknown';
 $itemCount = false;
 }
 }
 return array('size' => $size, 'fileCnt' => $files, 'dirCnt' => $dirs, 'sizes' => $sizes);
 }
 protected function mkdir($args) {
 $target = $args['target'];
 $name = $args['name'];
 $dirs = $args['dirs'];
 if ($name === '' && !$dirs) {
 return array('error' => $this->error(self::ERROR_INV_PARAMS, 'mkdir'));
 }
 if (($volume = $this->volume($target)) == false) {
 return array('error' => $this->error(self::ERROR_MKDIR, $name, self::ERROR_TRGDIR_NOT_FOUND, '#' . $target));
 }
 if ($dirs) {
 sort($dirs);
 $reset = null;
 $mkdirs = array();
 foreach ($dirs as $dir) {
 $tgt =& $mkdirs;
 $_names = explode('/', trim($dir, '/'));
 foreach ($_names as $_key => $_name) {
 if (!isset($tgt[$_name])) {
 $tgt[$_name] = array();
 }
 $tgt =& $tgt[$_name];
 }
 $tgt =& $reset;
 }
 $res = $this->ensureDirsRecursively($volume, $target, $mkdirs);
 $ret = array( 'added' => $res['stats'], 'hashes' => $res['hashes'] );
 if ($res['error']) {
 $ret['warning'] = $this->error(self::ERROR_MKDIR, $res['error'][0], $volume->error());
 }
 return $ret;
 }
 else {
 return ($dir = $volume->mkdir($target, $name)) == false ? array('error' => $this->error(self::ERROR_MKDIR, $name, $volume->error())) : array('added' => array($dir));
 }
 }
 protected function mkfile($args) {
 $target = $args['target'];
 $name = $args['name'];
 if (($volume = $this->volume($target)) == false) {
 return array('error' => $this->error(self::ERROR_MKFILE, $name, self::ERROR_TRGDIR_NOT_FOUND, '#' . $target));
 }
 return ($file = $volume->mkfile($target, $args['name'])) == false ? array('error' => $this->error(self::ERROR_MKFILE, $name, $volume->error())) : array('added' => array($file));
 }
 protected function rename($args) {
 $target = $args['target'];
 $name = $args['name'];
 $query = (strpos($args['q'], '*') !== false) ? $args['q'] : '';
 $targets = $args['targets'];
 $rms = array();
 $notfounds = array();
 $locked = array();
 $errs = array();
 $files = array();
 $removed = array();
 $res = array();
 $type = 'normal';
 if (!($volume = $this->volume($target))) {
 return array('error' => $this->error(self::ERROR_RENAME, '#' . $target, self::ERROR_FILE_NOT_FOUND));
 }
 if ($targets) {
 array_unshift($targets, $target);
 foreach ($targets as $h) {
 if ($rm = $volume->file($h)) {
 if ($this->itemLocked($h)) {
 $locked[] = $rm['name'];
 }
 else {
 $rm['realpath'] = $volume->realpath($h);
 $rms[] = $rm;
 }
 }
 else {
 $notfounds[] = '#' . $h;
 }
 }
 if (!$rms) {
 $res['error'] = array();
 if ($notfounds) {
 $res['error'] = array(self::ERROR_RENAME, join(', ', $notfounds), self::ERROR_FILE_NOT_FOUND);
 }
 if ($locked) {
 array_push($res['error'], self::ERROR_LOCKED, join(', ', $locked));
 }
 return $res;
 }
 $res['warning'] = array();
 if ($notfounds) {
 array_push($res['warning'], self::ERROR_RENAME, join(', ', $notfounds), self::ERROR_FILE_NOT_FOUND);
 }
 if ($locked) {
 array_push($res['warning'], self::ERROR_LOCKED, join(', ', $locked));
 }
 if ($query) {
 $splits = elFinder::splitFileExtention($query);
 if ($splits[1] && $splits[0] === '*') {
 $type = 'extention';
 $name = $splits[1];
 }
 else if (strlen($splits[0]) > 1) {
 if (substr($splits[0], -1) === '*') {
 $type = 'prefix';
 $name = substr($splits[0], 0, strlen($splits[0]) - 1);
 }
 else if (substr($splits[0], 0, 1) === '*') {
 $type = 'suffix';
 $name = substr($splits[0], 1);
 }
 }
 if ($type !== 'normal') {
 if (!empty($this->listeners['rename.pre'])) {
 $_args = array('name' => $name);
 foreach ($this->listeners['rename.pre'] as $handler) {
 $_res = call_user_func_array($handler, array('rename', &$_args, $this, $volume));
 if (!empty($_res['preventexec'])) {
 break;
 }
 }
 $name = $_args['name'];
 }
 }
 }
 foreach ($rms as $rm) {
 if ($type === 'normal') {
 $rname = $volume->uniqueName($volume->realpath($rm['phash']), $name, '', false);
 }
 else {
 $rname = $name;
 if ($type === 'extention') {
 $splits = elFinder::splitFileExtention($rm['name']);
 $rname = $splits[0] . '.' . $name;
 }
 else if ($type === 'prefix') {
 $rname = $name . $rm['name'];
 }
 else if ($type === 'suffix') {
 $splits = elFinder::splitFileExtention($rm['name']);
 $rname = $splits[0] . $name . ($splits[1] ? ('.' . $splits[1]) : '');
 }
 $rname = $volume->uniqueName($volume->realpath($rm['phash']), $rname, '', true);
 }
 if ($file = $volume->rename($rm['hash'], $rname)) {
 $files[] = $file;
 $removed[] = $rm;
 }
 else {
 $errs[] = $rm['name'];
 }
 }
 if (!$files) {
 $res['error'] = $this->error(self::ERROR_RENAME, join(', ', $errs), $volume->error());
 if (!$res['warning']) {
 unset($res['warning']);
 }
 return $res;
 }
 if ($errs) {
 array_push($res['warning'], self::ERROR_RENAME, join(', ', $errs), $volume->error());
 }
 if (!$res['warning']) {
 unset($res['warning']);
 }
 $res['added'] = $files;
 $res['removed'] = $removed;
 return $res;
 }
 else {
 if (!($rm = $volume->file($target))) {
 return array('error' => $this->error(self::ERROR_RENAME, '#' . $target, self::ERROR_FILE_NOT_FOUND));
 }
 if ($this->itemLocked($target)) {
 return array('error' => $this->error(self::ERROR_LOCKED, $rm['name']));
 }
 $rm['realpath'] = $volume->realpath($target);
 return ($file = $volume->rename($target, $name)) == false ? array('error' => $this->error(self::ERROR_RENAME, $rm['name'], $volume->error())) : array('added' => array($file), 'removed' => array($rm));
 }
 }
 protected function duplicate($args) {
 $targets = is_array($args['targets']) ? $args['targets'] : array();
 $result = array();
 $suffix = empty($args['suffix']) ? 'copy' : $args['suffix'];
 $this->itemLock($targets);
 foreach ($targets as $target) {
 elFinder::checkAborted();
 if (($volume = $this->volume($target)) == false || ($src = $volume->file($target)) == false) {
 $result['warning'] = $this->error(self::ERROR_COPY, '#' . $target, self::ERROR_FILE_NOT_FOUND);
 break;
 }
 if (($file = $volume->duplicate($target, $suffix)) == false) {
 $result['warning'] = $this->error($volume->error());
 break;
 }
 }
 return $result;
 }
 protected function rm($args) {
 $targets = is_array($args['targets']) ? $args['targets'] : array();
 $result = array('removed' => array());
 foreach ($targets as $target) {
 elFinder::checkAborted();
 if (($volume = $this->volume($target)) == false) {
 $result['warning'] = $this->error(self::ERROR_RM, '#' . $target, self::ERROR_FILE_NOT_FOUND);
 break;
 }
 if ($this->itemLocked($target)) {
 $rm = $volume->file($target);
 $result['warning'] = $this->error(self::ERROR_LOCKED, $rm['name']);
 break;
 }
 if (!$volume->rm($target)) {
 $result['warning'] = $this->error($volume->error());
 break;
 }
 }
 return $result;
 }
 protected function subdirs($args) {
 $result = array('subdirs' => array());
 $targets = $args['targets'];
 foreach ($targets as $target) {
 if (($volume = $this->volume($target)) !== false) {
 $result['subdirs'][$target] = $volume->subdirs($target) ? 1 : 0;
 }
 }
 return $result;
 }
 protected function editor($args = array()) {
 $name = $args['name'];
 if (is_array($name)) {
 $res = array();
 foreach ($name as $c) {
 $class = 'elFinderEditor' . $c;
 if (class_exists($class)) {
 $editor = new $class($this, $args['args']);
 $res[$c] = $editor->enabled();
 }
 else {
 $res[$c] = 0;
 }
 }
 return $res;
 }
 else {
 $class = 'elFinderEditor' . $name;
 $method = '';
 if (class_exists($class)) {
 $editor = new $class($this, $args['args']);
 $method = $args['method'];
 if ($editor->isAllowedMethod($method) && method_exists($editor, $method)) {
 return $editor->$method();
 }
 }
 return array('error', $this->error(self::ERROR_UNKNOWN_CMD, 'editor.' . $name . '.' . $method));
 }
 }
 protected function abort($args = array()) {
 if (!elFinder::$connectionFlagsPath || $_SERVER['REQUEST_METHOD'] === 'HEAD') {
 return;
 }
 $flagFile = elFinder::$connectionFlagsPath . DIRECTORY_SEPARATOR . 'elfreq%s';
 if (!empty($args['makeFile'])) {
 self::$abortCheckFile = sprintf($flagFile, $args['makeFile']);
 touch(self::$abortCheckFile);
 $GLOBALS['elFinderTempFiles'][self::$abortCheckFile] = true;
 return;
 }
 $file = !empty($args['id']) ? sprintf($flagFile, $args['id']) : self::$abortCheckFile;
 $file && is_file($file) && unlink($file);
 }
 protected function get_remote_contents(&$url, $timeout = 30, $redirect_max = 5, $ua = 'Mozilla/5.0', $fp = null) {
 if (preg_match('~^(?:ht|f)tps?://[-_.!\~*\'()a-z0-9;/?:\@&=+\$,%#\*\[\]]+~i', $url)) {
 $info = parse_url($url);
 $host = trim(strtolower($info['host']), '.');
 if (preg_match('/^\[.*\]$/', $host)) {
 return false;
 }
 if (strpos($host, '.') === false) {
 return false;
 }
 if (strpos($host, '%') !== false) {
 return false;
 }
 if (preg_match('/\b(?:localhost|localdomain)\b/', $host)) {
 return false;
 }
 if (preg_match('/0x[0-9a-f]+|[0-9]+(?:\.(?:0x[0-9a-f]+|[0-9]+)){1,3}/', $host)) {
 $host = gethostbyname($host);
 }
 if (preg_match('/^0x[0-9a-f]+|[0-9]+(?:\.(?:0x[0-9a-f]+|[0-9]+)){1,3}$/', $host, $m)) {
 $long = (int)sprintf('%u', ip2long($host));
 if (!$long) {
 return false;
 }
 $local = (int)sprintf('%u', ip2long('127.255.255.255')) >> 24;
 $prv1 = (int)sprintf('%u', ip2long('10.255.255.255')) >> 24;
 $prv2 = (int)sprintf('%u', ip2long('172.31.255.255')) >> 20;
 $prv3 = (int)sprintf('%u', ip2long('192.168.255.255')) >> 16;
 $link = (int)sprintf('%u', ip2long('169.254.255.255')) >> 16;
 if ($long >> 24 === $local || $long >> 24 === $prv1 || $long >> 20 === $prv2 || $long >> 16 === $prv3 || $long >> 16 === $link) {
 return false;
 }
 }
 $url = $info['scheme'].'://'.$host.(!empty($info['port'])? (':'.$info['port']) : '').$info['path'].(!empty($info['query'])? ('?'.$info['query']) : '').(!empty($info['fragment'])? ('#'.$info['fragment']) : '');
 if ($this->urlUploadFilter && is_callable($this->urlUploadFilter)) {
 if (!call_user_func_array($this->urlUploadFilter, array($url, $this))) {
 return false;
 }
 }
 $method = (function_exists('curl_exec') && !ini_get('safe_mode') && !ini_get('open_basedir')) ? 'curl_get_contents' : 'fsock_get_contents';
 return $this->$method($url, $timeout, $redirect_max, $ua, $fp);
 }
 return false;
 }
 protected function curl_get_contents(&$url, $timeout, $redirect_max, $ua, $outfp) {
 $ch = curl_init();
 curl_setopt($ch, CURLOPT_URL, $url);
 curl_setopt($ch, CURLOPT_HEADER, false);
 if ($outfp) {
 curl_setopt($ch, CURLOPT_FILE, $outfp);
 }
 else {
 curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
 }
 curl_setopt($ch, CURLOPT_LOW_SPEED_LIMIT, 1);
 curl_setopt($ch, CURLOPT_LOW_SPEED_TIME, $timeout);
 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
 curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
 curl_setopt($ch, CURLOPT_MAXREDIRS, $redirect_max);
 curl_setopt($ch, CURLOPT_USERAGENT, $ua);
 $result = curl_exec($ch);
 $url = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL);
 curl_close($ch);
 return $outfp ? $outfp : $result;
 }
 protected function fsock_get_contents(&$url, $timeout, $redirect_max, $ua, $outfp) {
 $connect_timeout = 3;
 $connect_try = 3;
 $method = 'GET';
 $readsize = 4096;
 $ssl = '';
 $getSize = null;
 $headers = '';
 $arr = parse_url($url);
 if (!$arr) {
 return false;
 }
 if ($arr['scheme'] === 'https') {
 $ssl = 'ssl://';
 }
 $arr['query'] = isset($arr['query']) ? '?' . $arr['query'] : '';
 $port = isset($arr['port']) ? $arr['port'] : '';
 $arr['port'] = $port ? $port : ($ssl ? 443 : 80);
 $url_base = $arr['scheme'] . '://' . $arr['host'] . ($port ? (':' . $port) : '');
 $url_path = isset($arr['path']) ? $arr['path'] : '/';
 $uri = $url_path . $arr['query'];
 $query = $method . ' ' . $uri . " HTTP/1.0\r\n";
 $query .= "Host: " . $arr['host'] . "\r\n";
 $query .= "Accept: */*\r\n";
 $query .= "Connection: close\r\n";
 if (!empty($ua)) $query .= "User-Agent: " . $ua . "\r\n";
 if (!is_null($getSize)) $query .= 'Range: bytes=0-' . ($getSize - 1) . "\r\n";
 $query .= $headers;
 $query .= "\r\n";
 $fp = $connect_try_count = 0;
 while (!$fp && $connect_try_count < $connect_try) {
 $errno = 0;
 $errstr = "";
 $fp = fsockopen( $ssl . $arr['host'], $arr['port'], $errno, $errstr, $connect_timeout);
 if ($fp) break;
 $connect_try_count++;
 if (connection_aborted()) {
 throw new elFinderAbortException();
 }
 sleep(1);
 }
 if (!$fp) {
 return false;
 }
 $fwrite = 0;
 for ($written = 0;
 $written < strlen($query);
 $written += $fwrite) {
 $fwrite = fwrite($fp, substr($query, $written));
 if (!$fwrite) {
 break;
 }
 }
 if ($timeout) {
 socket_set_timeout($fp, $timeout);
 }
 $_response = '';
 $header = '';
 while ($_response !== "\r\n") {
 $_response = fgets($fp, $readsize);
 $header .= $_response;
 }
;
 $rccd = array_pad(explode(' ', $header, 2), 2, '');
 $rc = (int)$rccd[1];
 $ret = false;
 switch ($rc) {
 case 307: case 303: case 302: case 301: $matches = array();
 if (preg_match('/^Location: (.+?)(#.+)?$/im', $header, $matches) && --$redirect_max > 0) {
 $_url = $url;
 $url = trim($matches[1]);
 if (!preg_match('/^https?:\//', $url)) {
 if ($url{
0}
 != '/') {
 $url = substr($url_path, 0, strrpos($url_path, '/')) . '/' . $url;
 }
 $url = $url_base . $url;
 }
 if ($_url === $url) {
 sleep(1);
 }
 fclose($fp);
 return $this->fsock_get_contents($url, $timeout, $redirect_max, $ua, $outfp);
 }
 break;
 case 200: $ret = true;
 }
 if (!$ret) {
 fclose($fp);
 return false;
 }
 $body = '';
 if (!$outfp) {
 $outfp = fopen('php://temp', 'rwb');
 $body = true;
 }
 while (fwrite($outfp, fread($fp, $readsize))) {
 if ($timeout) {
 $_status = socket_get_status($fp);
 if ($_status['timed_out']) {
 fclose($outfp);
 fclose($fp);
 return false;
 }
 }
 }
 if ($body) {
 rewind($outfp);
 $body = stream_get_contents($outfp);
 fclose($outfp);
 $outfp = null;
 }
 fclose($fp);
 return $outfp ? $outfp : $body;
 }
 protected function parse_data_scheme($str, $extTable, $args = null) {
 $data = $name = $mime = '';
 if ($fp = fopen('data://' . substr($str, 5), 'rb')) {
 if ($data = stream_get_contents($fp)) {
 $meta = stream_get_meta_data($fp);
 $mime = $meta['mediatype'];
 }
 fclose($fp);
 }
 else if (preg_match('~^data:(.+?/.+?)?(?:;charset=.+?)?;base64,~', substr($str, 0, 128), $m)) {
 $data = base64_decode(substr($str, strlen($m[0])));
 if ($m[1]) {
 $mime = $m[1];
 }
 }
 if ($data) {
 $ext = ($mime && isset($extTable[$mime])) ? '.' . $extTable[$mime] : '';
 if (is_array($args['name']) && isset($args['name'][0])) {
 $name = $args['name'][0];
 if ($ext) {
 $name = preg_replace('/\.[^.]*$/', '', $name);
 }
 }
 else {
 $name = substr(md5($data), 0, 8);
 }
 $name .= $ext;
 }
 else {
 $data = $name = '';
 }
 return array($data, $name);
 }
 protected function detectMimeType($path) {
 static $type, $finfo;
 if (!$type) {
 if (class_exists('finfo', false)) {
 $tmpFileInfo = explode(';', finfo_file(finfo_open(FILEINFO_MIME), __FILE__));
 }
 else {
 $tmpFileInfo = false;
 }
 $regexp = '/text\/x\-(php|c\+\+)/';
 if ($tmpFileInfo && preg_match($regexp, array_shift($tmpFileInfo))) {
 $type = 'finfo';
 $finfo = finfo_open(FILEINFO_MIME);
 }
 elseif (function_exists('mime_content_type') && preg_match($regexp, array_shift(explode(';', mime_content_type(__FILE__))))) {
 $type = 'mime_content_type';
 }
 elseif (function_exists('getimagesize')) {
 $type = 'getimagesize';
 }
 else {
 $type = 'none';
 }
 }
 $mime = '';
 if ($type === 'finfo') {
 $mime = finfo_file($finfo, $path);
 }
 elseif ($type === 'mime_content_type') {
 $mime = mime_content_type($path);
 }
 elseif ($type === 'getimagesize') {
 if ($img = getimagesize($path)) {
 $mime = $img['mime'];
 }
 }
 if ($mime) {
 $mime = explode(';', $mime);
 $mime = trim($mime[0]);
 if (in_array($mime, array('application/x-empty', 'inode/x-empty'))) {
 $mime = 'text/plain';
 }
 elseif ($mime == 'application/x-zip') {
 $mime = 'application/zip';
 }
 }
 return $mime ? $mime : 'unknown';
 }
 protected function detectFileExtension($volume, $path, $name) {
 $mime = $this->detectMimeType($path);
 if ($mime === 'unknown') {
 $mime = 'application/octet-stream';
 }
 $ext = $volume->getExtentionByMime($volume->mimeTypeNormalize($mime, $name));
 return $ext ? ('.' . $ext) : '';
 }
 private function getTempDir($volumeTempPath = null) {
 $testDirs = array();
 if ($this->uploadTempPath) {
 $testDirs[] = rtrim(realpath($this->uploadTempPath), DIRECTORY_SEPARATOR);
 }
 if ($volumeTempPath) {
 $testDirs[] = rtrim(realpath($volumeTempPath), DIRECTORY_SEPARATOR);
 }
 if (elFinder::$commonTempPath) {
 $testDirs[] = elFinder::$commonTempPath;
 }
 $tempDir = '';
 foreach ($testDirs as $testDir) {
 if (!$testDir || !is_dir($testDir)) continue;
 if (is_writable($testDir)) {
 $tempDir = $testDir;
 $gc = time() - 3600;
 foreach (glob($tempDir . DIRECTORY_SEPARATOR . 'ELF*') as $cf) {
 if (filemtime($cf) < $gc) {
 unlink($cf);
 }
 }
 break;
 }
 }
 return $tempDir;
 }
 protected function chmod($args) {
 $targets = $args['targets'];
 $mode = intval((string)$args['mode'], 8);
 if (!is_array($targets)) {
 $targets = array($targets);
 }
 $result = array();
 if (($volume = $this->volume($targets[0])) == false) {
 $result['error'] = $this->error(self::ERROR_CONF_NO_VOL);
 return $result;
 }
 $this->itemLock($targets);
 $files = array();
 $errors = array();
 foreach ($targets as $target) {
 elFinder::checkAborted();
 $file = $volume->chmod($target, $mode);
 if ($file) {
 $files = array_merge($files, is_array($file) ? $file : array($file));
 }
 else {
 $errors = array_merge($errors, $volume->error());
 }
 }
 if ($files) {
 $result['changed'] = $files;
 if ($errors) {
 $result['warning'] = $this->error($errors);
 }
 }
 else {
 $result['error'] = $this->error($errors);
 }
 return $result;
 }
 private function checkChunkedFile($tmpname, $chunk, $cid, $tempDir, $volume = null) {
 if (preg_match('/^(.+)(\.\d+_(\d+))\.part$/s', $chunk, $m)) {
 $fname = $m[1];
 $encname = md5($cid . '_' . $fname);
 $base = $tempDir . DIRECTORY_SEPARATOR . 'ELF' . $encname;
 $clast = intval($m[3]);
 if (is_null($tmpname)) {
 ignore_user_abort(true);
 foreach (glob($base . '*') as $cf) {
 unlink($cf);
 }
 ignore_user_abort(false);
 return null;
 }
 $range = isset($_POST['range']) ? trim($_POST['range']) : '';
 if ($range && preg_match('/^(\d+),(\d+),(\d+)$/', $range, $ranges)) {
 $start = $ranges[1];
 $len = $ranges[2];
 $size = $ranges[3];
 $tmp = $base . '.part';
 $csize = filesize($tmpname);
 $tmpExists = is_file($tmp);
 if (!$tmpExists) {
 $uploadMaxSize = $volume ? $volume->getUploadMaxSize() : 0;
 if ($uploadMaxSize > 0 && $size > $uploadMaxSize) {
 return array(self::ERROR_UPLOAD_FILE_SIZE, false);
 }
 $ok = false;
 if ($fp = fopen($tmp, 'wb')) {
 flock($fp, LOCK_EX);
 $ok = ftruncate($fp, $size);
 flock($fp, LOCK_UN);
 fclose($fp);
 touch($base);
 }
 if (!$ok) {
 unlink($tmp);
 return array(self::ERROR_UPLOAD_TEMP, false);
 }
 }
 else {
 $cnt = 1200;
 while (!is_file($base) && --$cnt) {
 usleep(100000);
 }
 if (!$cnt) {
 return array(self::ERROR_UPLOAD_TEMP, false);
 }
 }
 if ($len != $csize || $start + $len > $size || ($tmpExists && $size != filesize($tmp))) {
 return array(self::ERROR_UPLOAD_TEMP, false);
 }
 $src = fopen($tmpname, 'rb');
 $fp = fopen($tmp, 'cb');
 fseek($fp, $start);
 $writelen = stream_copy_to_stream($src, $fp, $len);
 fclose($fp);
 fclose($src);
 try {
 elFinder::checkAborted();
 }
 catch (elFinderAbortException $e) {
 unlink($tmpname);
 is_file($tmp) && unlink($tmp);
 is_file($base) && unlink($base);
 throw $e;
 }
 if ($writelen != $len) {
 return array(self::ERROR_UPLOAD_TEMP, false);
 }
 file_put_contents($base, "\0", FILE_APPEND | LOCK_EX);
 if (filesize($base) >= $clast + 1) {
 unlink($base);
 return array($tmp, $fname);
 }
 }
 else {
 $part = $base . $m[2];
 if (move_uploaded_file($tmpname, $part)) {
 chmod($part, 0600);
 if ($clast < count(glob($base . '*'))) {
 $parts = array();
 for ($i = 0;
 $i <= $clast;
 $i++) {
 $name = $base . '.' . $i . '_' . $clast;
 if (is_readable($name)) {
 $parts[] = $name;
 }
 else {
 $parts = null;
 break;
 }
 }
 if ($parts) {
 if (!is_file($base)) {
 touch($base);
 if ($resfile = tempnam($tempDir, 'ELF')) {
 $target = fopen($resfile, 'wb');
 foreach ($parts as $f) {
 $fp = fopen($f, 'rb');
 while (!feof($fp)) {
 fwrite($target, fread($fp, 8192));
 }
 fclose($fp);
 unlink($f);
 }
 fclose($target);
 unlink($base);
 return array($resfile, $fname);
 }
 unlink($base);
 }
 }
 }
 }
 }
 }
 return array('', '');
 }
 protected function upload($args) {
 $ngReg = '/[\/\\?*:|"<>]/';
 $target = $args['target'];
 $volume = $this->volume($target);
 $files = isset($args['FILES']['upload']) && is_array($args['FILES']['upload']) ? $args['FILES']['upload'] : array();
 $header = empty($args['html']) ? array() : array('header' => 'Content-Type: text/html; charset=utf-8');
 $result = array_merge(array('added' => array()), $header);
 $paths = $args['upload_path'] ? $args['upload_path'] : array();
 $chunk = $args['chunk'] ? $args['chunk'] : '';
 $cid = $args['cid'] ? (int)$args['cid'] : '';
 $mtimes = $args['mtime'] ? $args['mtime'] : array();
 $tmpfname = '';
 if (!$volume) {
 return array_merge(array('error' => $this->error(self::ERROR_UPLOAD, self::ERROR_TRGDIR_NOT_FOUND, '#' . $target)), $header);
 }
 if (strpos($chunk, '/') !== false || strpos($chunk, '\\') !== false) {
 return array('error' => $this->error(self::ERROR_UPLOAD));
 }
 if ($args['overwrite'] !== '') {
 $volume->setUploadOverwrite($args['overwrite']);
 }
 $renames = $hashes = array();
 $suffix = '~';
 if ($args['renames'] && is_array($args['renames'])) {
 $renames = array_flip($args['renames']);
 if (is_string($args['suffix']) && !preg_match($ngReg, $args['suffix'])) {
 $suffix = $args['suffix'];
 }
 }
 if ($args['hashes'] && is_array($args['hashes'])) {
 $hashes = array_flip($args['hashes']);
 }
 $this->itemLock($target);
 $extTable = array_flip(array_unique($volume->getMimeTable()));
 if (empty($files)) {
 if (isset($args['upload']) && is_array($args['upload']) && ($tempDir = $this->getTempDir($volume->getTempPath()))) {
 $names = array();
 foreach ($args['upload'] as $i => $url) {
 if ($chunk) {
 if ($url === 'chunkfail' && $args['mimes'] === 'chunkfail') {
 $this->checkChunkedFile(null, $chunk, $cid, $tempDir);
 if (preg_match('/^(.+)(\.\d+_(\d+))\.part$/s', $chunk, $m)) {
 $result['warning'] = $this->error(self::ERROR_UPLOAD_FILE, $m[1], self::ERROR_UPLOAD_TEMP);
 }
 return $result;
 }
 else {
 $tmpfname = $tempDir . '/' . $chunk;
 $files['tmp_name'][$i] = $tmpfname;
 $files['name'][$i] = $url;
 $files['error'][$i] = 0;
 $GLOBALS['elFinderTempFiles'][$tmpfname] = true;
 break;
 }
 }
 $tmpfname = $tempDir . DIRECTORY_SEPARATOR . 'ELF_FATCH_' . md5($url . microtime(true));
 $GLOBALS['elFinderTempFiles'][$tmpfname] = true;
 $_name = '';
 if (substr($url, 0, 5) === 'data:') {
 list($data, $args['name'][$i]) = $this->parse_data_scheme($url, $extTable, $args);
 }
 else {
 $fp = fopen($tmpfname, 'wb');
 if ($data = $this->get_remote_contents($url, 30, 5, 'Mozilla/5.0', $fp)) {
 elFinder::checkAborted();
 $_name = preg_replace('~^.*?([^/#?]+)(?:\?.*)?(?:#.*)?$~', '$1', rawurldecode($url));
 if ($data && ($headers = get_headers($url, true)) && !empty($headers['Content-Disposition'])) {
 if (preg_match('/filename\*=(?:([a-zA-Z0-9_-]+?)\'\')"?([a-z0-9_.~%-]+)"?/i', $headers['Content-Disposition'], $m)) {
 $_name = rawurldecode($m[2]);
 if ($m[1] && strtoupper($m[1]) !== 'UTF-8' && function_exists('mb_convert_encoding')) {
 $_name = mb_convert_encoding($_name, 'UTF-8', $m[1]);
 }
 }
 else if (preg_match('/filename="?([ a-z0-9_.~%-]+)"?/i', $headers['Content-Disposition'], $m)) {
 $_name = rawurldecode($m[1]);
 }
 }
 }
 }
 if ($data) {
 if (isset($args['name'][$i])) {
 $_name = $args['name'][$i];
 }
 if ($_name) {
 $_ext = '';
 if (preg_match('/(\.[a-z0-9]{1,7})$/', $_name, $_match)) {
 $_ext = $_match[1];
 }
 if ((is_resource($data) && fclose($data)) || file_put_contents($tmpfname, $data)) {
 $GLOBALS['elFinderTempFiles'][$tmpfname] = true;
 $_name = preg_replace($ngReg, '_', $_name);
 list($_a, $_b) = array_pad(explode('.', $_name, 2), 2, '');
 if ($_b === '') {
 if ($_ext) {
 rename($tmpfname, $tmpfname . $_ext);
 $tmpfname = $tmpfname . $_ext;
 }
 $_b = $this->detectFileExtension($volume, $tmpfname, $_name);
 $_name = $_a . $_b;
 }
 else {
 $_b = '.' . $_b;
 }
 if (isset($names[$_name])) {
 $_name = $_a . '_' . $names[$_name]++ . $_b;
 }
 else {
 $names[$_name] = 1;
 }
 $files['tmp_name'][$i] = $tmpfname;
 $files['name'][$i] = $_name;
 $files['error'][$i] = 0;
 $volume->setUploadOverwrite(false);
 }
 else {
 unlink($tmpfname);
 }
 }
 }
 }
 }
 if (empty($files)) {
 return array_merge(array('error' => $this->error(self::ERROR_UPLOAD, self::ERROR_UPLOAD_NO_FILES)), $header);
 }
 }
 $addedDirs = array();
 $errors = array();
 foreach ($files['name'] as $i => $name) {
 if (($error = $files['error'][$i]) > 0) {
 $result['warning'] = $this->error(self::ERROR_UPLOAD_FILE, $name, $error == UPLOAD_ERR_INI_SIZE || $error == UPLOAD_ERR_FORM_SIZE ? self::ERROR_UPLOAD_FILE_SIZE : self::ERROR_UPLOAD_TRANSFER, $error);
 $this->uploadDebug = 'Upload error code: ' . $error;
 break;
 }
 $tmpname = $files['tmp_name'][$i];
 $thash = ($paths && isset($paths[$i])) ? $paths[$i] : $target;
 $mtime = isset($mtimes[$i]) ? $mtimes[$i] : 0;
 if ($name === 'blob') {
 if ($chunk) {
 if ($tempDir = $this->getTempDir($volume->getTempPath())) {
 list($tmpname, $name) = $this->checkChunkedFile($tmpname, $chunk, $cid, $tempDir, $volume);
 if ($tmpname) {
 if ($name === false) {
 preg_match('/^(.+)(\.\d+_(\d+))\.part$/s', $chunk, $m);
 $result['error'] = $this->error(self::ERROR_UPLOAD_FILE, $m[1], $tmpname);
 $result['_chunkfailure'] = true;
 $this->uploadDebug = 'Upload error: ' . $tmpname;
 }
 else if ($name) {
 $result['_chunkmerged'] = basename($tmpname);
 $result['_name'] = $name;
 $result['_mtime'] = $mtime;
 }
 }
 }
 else {
 $result['error'] = $this->error(self::ERROR_UPLOAD_FILE, $chunk, self::ERROR_UPLOAD_TEMP);
 $this->uploadDebug = 'Upload error: unable open tmp file';
 }
 return $result;
 }
 else {
 $name = 'image.png';
 }
 }
 if (strtolower(substr($name, 0, 5)) === 'image' && is_array($args['name']) && isset($args['name'][$i])) {
 $type = $files['type'][$i];
 $name = $args['name'][$i];
 $ext = isset($extTable[$type]) ? '.' . $extTable[$type] : '';
 if ($ext) {
 $name = preg_replace('/\.[^.]*$/', '', $name);
 }
 $name .= $ext;
 }
 if (!empty($this->listeners['upload.presave'])) {
 foreach ($this->listeners['upload.presave'] as $handler) {
 $_res = call_user_func_array($handler, array(&$thash, &$name, $tmpname, $this, $volume));
 if ($_res && is_array($_res)) {
 $_err = !empty($_res['error'])? $_res['error'] : (!empty($_res['warning'])? $_res['warning'] : null);
 if ($_err) {
 if (is_array($_err)) {
 $errors = array_merge($errors, $_err);
 }
 else {
 $errors[] = (string)$_err;
 }
 if ($_res['error']) {
 if (!is_uploaded_file($tmpname)) {
 if (unlink($tmpname) && $tmpfname) unset($GLOBALS['elFinderTempFiles'][$tmpfname]);
 }
 continue 2;
 }
 }
 }
 }
 }
 clearstatcache();
 if ($mtime && is_file($tmpname)) {
 touch($tmpname, $mtime);
 }
 $fp = null;
 if (!is_file($tmpname) || ($fp = fopen($tmpname, 'rb')) === false) {
 $errors = array_merge($errors, array(self::ERROR_UPLOAD_FILE, $name, ($fp === false? self::ERROR_UPLOAD_TEMP : self::ERROR_UPLOAD_TRANSFER)));
 $this->uploadDebug = 'Upload error: unable open tmp file';
 if (!is_uploaded_file($tmpname)) {
 if (unlink($tmpname) && $tmpfname) unset($GLOBALS['elFinderTempFiles'][$tmpfname]);
 continue;
 }
 break;
 }
 $rnres = array();
 if ($thash !== '' && $thash !== $target) {
 if ($dir = $volume->dir($thash)) {
 $_target = $thash;
 if (!isset($addedDirs[$thash])) {
 $addedDirs[$thash] = true;
 $result['added'][] = $dir;
 $_phash = isset($dir['phash']) ? $dir['phash'] : null;
 while ($_phash && !isset($addedDirs[$_phash]) && $_phash !== $target) {
 if ($_dir = $volume->dir($_phash)) {
 $addedDirs[$_phash] = true;
 $result['added'][] = $_dir;
 $_phash = isset($_dir['phash']) ? $_dir['phash'] : null;
 }
 else {
 break;
 }
 }
 }
 }
 else {
 $result['error'] = $this->error(self::ERROR_UPLOAD, self::ERROR_TRGDIR_NOT_FOUND, 'hash@' . $thash);
 break;
 }
 }
 else {
 $_target = $target;
 if (isset($renames[$name])) {
 $dir = $volume->realpath($_target);
 if (isset($hashes[$name])) {
 $hash = $hashes[$name];
 }
 else {
 $hash = $volume->getHash($dir, $name);
 }
 $rnres = $this->rename(array('target' => $hash, 'name' => $volume->uniqueName($dir, $name, $suffix, true, 0)));
 if (!empty($rnres['error'])) {
 $result['warning'] = $rnres['error'];
 if (!is_array($rnres['error'])) {
 $errors = array_push($errors, $rnres['error']);
 }
 else {
 $errors = array_merge($errors, $rnres['error']);
 }
 continue;
 }
 }
 }
 if (!$_target || ($file = $volume->upload($fp, $_target, $name, $tmpname, ($_target === $target) ? $hashes : array())) === false) {
 $errors = array_merge($errors, $this->error(self::ERROR_UPLOAD_FILE, $name, $volume->error()));
 fclose($fp);
 if (!is_uploaded_file($tmpname) && unlink($tmpname)) {
 unset($GLOBALS['elFinderTempFiles'][$tmpname]);
 }
 continue;
 }
 is_resource($fp) && fclose($fp);
 if (!is_uploaded_file($tmpname)) {
 clearstatcache();
 if (!is_file($tmpname) || unlink($tmpname)) {
 unset($GLOBALS['elFinderTempFiles'][$tmpname]);
 }
 }
 $result['added'][] = $file;
 if ($rnres) {
 $result = array_merge_recursive($result, $rnres);
 }
 }
 if ($errors) {
 $result['warning'] = $errors;
 }
 if ($GLOBALS['elFinderTempFiles']) {
 foreach (array_keys($GLOBALS['elFinderTempFiles']) as $_temp) {
 is_file($_temp) && unlink($_temp);
 }
 }
 $result['removed'] = $volume->removed();
 if (!empty($args['node'])) {
 $result['callback'] = array( 'node' => $args['node'], 'bind' => 'upload' );
 }
 return $result;
 }
 protected function paste($args) {
 $dst = $args['dst'];
 $targets = is_array($args['targets']) ? $args['targets'] : array();
 $cut = !empty($args['cut']);
 $error = $cut ? self::ERROR_MOVE : self::ERROR_COPY;
 $result = array('changed' => array(), 'added' => array(), 'removed' => array(), 'warning' => array());
 if (($dstVolume = $this->volume($dst)) == false) {
 return array('error' => $this->error($error, '#' . $targets[0], self::ERROR_TRGDIR_NOT_FOUND, '#' . $dst));
 }
 $this->itemLock($dst);
 $hashes = $renames = array();
 $suffix = '~';
 if (!empty($args['renames'])) {
 $renames = array_flip($args['renames']);
 if (is_string($args['suffix']) && !preg_match('/[\/\\?*:|"<>]/', $args['suffix'])) {
 $suffix = $args['suffix'];
 }
 }
 if (!empty($args['hashes'])) {
 $hashes = array_flip($args['hashes']);
 }
 foreach ($targets as $target) {
 elFinder::checkAborted();
 if (($srcVolume = $this->volume($target)) == false) {
 $result['warning'] = array_merge($result['warning'], $this->error($error, '#' . $target, self::ERROR_FILE_NOT_FOUND));
 continue;
 }
 $rnres = array();
 if ($renames) {
 $file = $srcVolume->file($target);
 if (isset($renames[$file['name']])) {
 $dir = $dstVolume->realpath($dst);
 if (isset($hashes[$file['name']])) {
 $hash = $hashes[$file['name']];
 }
 else {
 $hash = $dstVolume->getHash($dir, $file['name']);
 }
 $rnres = $this->rename(array('target' => $hash, 'name' => $dstVolume->uniqueName($dir, $file['name'], $suffix, true, 0)));
 if (!empty($rnres['error'])) {
 $result['warning'] = array_merge($result['warning'], $rnres['error']);
 continue;
 }
 }
 }
 if ($cut && $this->itemLocked($target)) {
 $rm = $srcVolume->file($target);
 $result['warning'] = array_merge($result['warning'], $this->error(self::ERROR_LOCKED, $rm['name']));
 continue;
 }
 if (($file = $dstVolume->paste($srcVolume, $target, $dst, $cut, $hashes)) == false) {
 $result['warning'] = array_merge($result['warning'], $this->error($dstVolume->error()));
 continue;
 }
 if ($error = $dstVolume->error()) {
 $result['warning'] = array_merge($result['warning'], $this->error($error));
 }
 if ($rnres) {
 $result = array_merge_recursive($result, $rnres);
 }
 }
 if (count($result['warning']) < 1) {
 unset($result['warning']);
 }
 else {
 $result['sync'] = true;
 }
 return $result;
 }
 protected function get($args) {
 $target = $args['target'];
 $volume = $this->volume($target);
 $enc = false;
 if (!$volume || ($file = $volume->file($target)) == false) {
 return array('error' => $this->error(self::ERROR_OPEN, '#' . $target, self::ERROR_FILE_NOT_FOUND));
 }
 if (($content = $volume->getContents($target)) === false) {
 return array('error' => $this->error(self::ERROR_OPEN, $volume->path($target), $volume->error()));
 }
 $mime = isset($file['mime']) ? $file['mime'] : '';
 if ($mime && (strtolower(substr($mime, 0, 4)) === 'text' || in_array(strtolower($mime), self::$textMimes))) {
 $enc = '';
 if ($content !== '') {
 if (!$args['conv'] || $args['conv'] == '1') {
 if (function_exists('mb_detect_encoding')) {
 if ($enc = mb_detect_encoding($content, mb_detect_order(), true)) {
 $encu = strtoupper($enc);
 if ($encu === 'UTF-8' || $encu === 'ASCII') {
 $enc = '';
 }
 }
 else {
 $enc = 'unknown';
 }
 }
 else if (!preg_match('//u', $content)) {
 $enc = 'unknown';
 }
 if ($enc === 'unknown') {
 $enc = $volume->getOption('encoding');
 if (!$enc || strtoupper($enc) === 'UTF-8') {
 $enc = 'unknown';
 }
 }
 if ($enc && $enc !== 'unknown') {
 $utf8 = iconv($enc, 'UTF-8', $content);
 if ($utf8 === false && function_exists('mb_convert_encoding')) {
 $utf8 = mb_convert_encoding($content, 'UTF-8', $enc);
 if (mb_convert_encoding($utf8, $enc, 'UTF-8') !== $content) {
 $enc = 'unknown';
 }
 }
 else {
 if ($utf8 === false || iconv('UTF-8', $enc, $utf8) !== $content) {
 $enc = 'unknown';
 }
 }
 if ($enc !== 'unknown') {
 $content = $utf8;
 }
 }
 if ($enc) {
 if ($args['conv'] == '1') {
 $args['conv'] = '';
 if ($enc === 'unknown') {
 $content = false;
 }
 }
 else if ($enc === 'unknown') {
 return array('doconv' => $enc);
 }
 }
 if ($args['conv'] == '1') {
 $args['conv'] = '';
 }
 }
 if ($args['conv']) {
 $enc = $args['conv'];
 if (strtoupper($enc) !== 'UTF-8') {
 $_content = $content;
 $content = iconv($enc, 'UTF-8', $content);
 if ($content === false && function_exists('mb_convert_encoding')) {
 $content = mb_convert_encoding($_content, 'UTF-8', $enc);
 }
 }
 else {
 $enc = '';
 }
 }
 }
 }
 else {
 $content = 'data:' . ($mime ? $mime : 'application/octet-stream') . ';base64,' . base64_encode($content);
 }
 if ($enc !== false) {
 $json = false;
 if ($content !== false) {
 $json = json_encode($content);
 }
 if ($content === false || $json === false || strlen($json) < strlen($content)) {
 return array('error' => $this->error(self::ERROR_CONV_UTF8, self::ERROR_NOT_UTF8_CONTENT, $volume->path($target)));
 }
 }
 $res = array( 'header' => array( 'Content-Type: application/json' ), 'content' => $content );
 if ($cacheHeaders = $volume->getOption('cacheHeaders')) {
 $res['header'] = array_merge($res['header'], $cacheHeaders);
 }
 if ($enc) {
 $res['encoding'] = $enc;
 }
 return $res;
 }
 protected function put($args) {
 $target = $args['target'];
 $encoding = isset($args['encoding']) ? $args['encoding'] : '';
 if (($volume = $this->volume($target)) == false || ($file = $volume->file($target)) == false) {
 return array('error' => $this->error(self::ERROR_SAVE, '#' . $target, self::ERROR_FILE_NOT_FOUND));
 }
 $this->itemLock($target);
 if ($encoding === 'scheme') {
 if (preg_match('~^https?://~i', $args['content'])) {
 $fp = $this->get_remote_contents($args['content'], 30, 5, 'Mozilla/5.0', $volume->tmpfile());
 if (!$fp) {
 return array('error' => self::ERROR_SAVE, $args['content'], self::ERROR_FILE_NOT_FOUND);
 }
 $fmeta = stream_get_meta_data($fp);
 $mime = $this->detectMimeType($fmeta['uri']);
 if ($mime === 'unknown') {
 $mime = 'application/octet-stream';
 }
 $mime = $volume->mimeTypeNormalize($mime, $file['name']);
 $args['content'] = 'data:' . $mime . ';base64,' . base64_encode(file_get_contents($fmeta['uri']));
 }
 $encoding = '';
 $args['content'] = "\0" . $args['content'];
 }
 else if ($encoding === 'hash') {
 $_hash = $args['content'];
 if ($_src = $this->getVolume($_hash)) {
 if ($_file = $_src->file($_hash)) {
 if ($_data = $_src->getContents($_hash)) {
 $args['content'] = 'data:' . $file['mime'] . ';base64,' . base64_encode($_data);
 }
 }
 }
 $encoding = '';
 $args['content'] = "\0" . $args['content'];
 }
 if ($encoding) {
 $content = iconv('UTF-8', $encoding, $args['content']);
 if ($content === false && function_exists('mb_detect_encoding')) {
 $content = mb_convert_encoding($args['content'], $encoding, 'UTF-8');
 }
 if ($content !== false) {
 $args['content'] = $content;
 }
 }
 if (($file = $volume->putContents($target, $args['content'])) == false) {
 return array('error' => $this->error(self::ERROR_SAVE, $volume->path($target), $volume->error()));
 }
 return array('changed' => array($file));
 }
 protected function extract($args) {
 $target = $args['target'];
 $makedir = isset($args['makedir']) ? (bool)$args['makedir'] : null;
 if (($volume = $this->volume($target)) == false || ($file = $volume->file($target)) == false) {
 return array('error' => $this->error(self::ERROR_EXTRACT, '#' . $target, self::ERROR_FILE_NOT_FOUND));
 }
 $res = array();
 if ($file = $volume->extract($target, $makedir)) {
 $res['added'] = isset($file['read']) ? array($file) : $file;
 if ($err = $volume->error()) {
 $res['warning'] = $err;
 }
 }
 else {
 $res['error'] = $this->error(self::ERROR_EXTRACT, $volume->path($target), $volume->error());
 }
 return $res;
 }
 protected function archive($args) {
 $targets = isset($args['targets']) && is_array($args['targets']) ? $args['targets'] : array();
 $name = isset($args['name']) ? $args['name'] : '';
 if (($volume = $this->volume($targets[0])) == false) {
 return $this->error(self::ERROR_ARCHIVE, self::ERROR_TRGDIR_NOT_FOUND);
 }
 foreach ($targets as $target) {
 $this->itemLock($target);
 }
 return ($file = $volume->archive($targets, $args['type'], $name)) ? array('added' => array($file)) : array('error' => $this->error(self::ERROR_ARCHIVE, $volume->error()));
 }
 protected function search($args) {
 $q = trim($args['q']);
 $mimes = !empty($args['mimes']) && is_array($args['mimes']) ? $args['mimes'] : array();
 $target = !empty($args['target']) ? $args['target'] : null;
 $type = !empty($args['type']) ? $args['type'] : null;
 $result = array();
 $errors = array();
 if ($target) {
 if ($volume = $this->volume($target)) {
 $result = $volume->search($q, $mimes, $target, $type);
 $errors = array_merge($errors, $volume->error());
 }
 }
 else {
 foreach ($this->volumes as $volume) {
 $result = array_merge($result, $volume->search($q, $mimes, null, $type));
 $errors = array_merge($errors, $volume->error());
 }
 }
 $result = array('files' => $result);
 if ($errors) {
 $result['warning'] = $errors;
 }
 return $result;
 }
 protected function info($args) {
 $files = array();
 $compare = null;
 if ($args['compare'] && count($args['targets']) === 1) {
 $compare = intval($args['compare']);
 $hash = $args['targets'][0];
 if ($volume = $this->volume($hash)) {
 $standby = (int)$volume->getOption('plStandby');
 $_compare = false;
 if (($syncCheckFunc = $volume->getOption('syncCheckFunc')) && is_callable($syncCheckFunc)) {
 $_compare = call_user_func_array($syncCheckFunc, array($volume->realpath($hash), $standby, $compare, $volume, $this));
 }
 if ($_compare !== false) {
 $compare = $_compare;
 }
 else {
 $sleep = max(1, (int)$volume->getOption('tsPlSleep'));
 $limit = max(1, $standby / $sleep) + 1;
 do {
 elFinder::extendTimeLimit(30 + $sleep);
 $volume->clearstatcache();
 if (($info = $volume->file($hash)) != false) {
 if ($info['ts'] != $compare) {
 $compare = $info['ts'];
 break;
 }
 }
 else {
 $compare = 0;
 break;
 }
 if (--$limit) {
 sleep($sleep);
 }
 }
 while ($limit);
 }
 }
 }
 else {
 foreach ($args['targets'] as $hash) {
 elFinder::checkAborted();
 if (($volume = $this->volume($hash)) != false && ($info = $volume->file($hash)) != false) {
 $info['path'] = $volume->path($hash);
 $files[] = $info;
 }
 }
 }
 $result = array('files' => $files);
 if (!is_null($compare)) {
 $result['compare'] = strval($compare);
 }
 return $result;
 }
 protected function dim($args) {
 $res = array();
 $target = $args['target'];
 if (($volume = $this->volume($target)) != false) {
 if ($dim = $volume->dimensions($target, $args)) {
 if (is_array($dim) && isset($dim['dim'])) {
 $res = $dim;
 }
 else {
 $res = array('dim' => $dim);
 if ($subImgLink = $volume->getSubstituteImgLink($target, explode('x', $dim))) {
 $res['url'] = $subImgLink;
 }
 }
 }
 }
 return $res;
 }
 protected function resize($args) {
 $target = $args['target'];
 $width = (int)$args['width'];
 $height = (int)$args['height'];
 $x = (int)$args['x'];
 $y = (int)$args['y'];
 $mode = $args['mode'];
 $bg = $args['bg'];
 $degree = (int)$args['degree'];
 $quality = (int)$args['quality'];
 if (($volume = $this->volume($target)) == false || ($file = $volume->file($target)) == false) {
 return array('error' => $this->error(self::ERROR_RESIZE, '#' . $target, self::ERROR_FILE_NOT_FOUND));
 }
 if ($mode !== 'rotate' && ($width < 1 || $height < 1)) {
 return array('error' => $this->error(self::ERROR_RESIZESIZE));
 }
 return ($file = $volume->resize($target, $width, $height, $x, $y, $mode, $bg, $degree, $quality)) ? (!empty($file['losslessRotate']) ? $file : array('changed' => array($file))) : array('error' => $this->error(self::ERROR_RESIZE, $volume->path($target), $volume->error()));
 }
 protected function url($args) {
 $target = $args['target'];
 $options = isset($args['options']) ? $args['options'] : array();
 if (($volume = $this->volume($target)) != false) {
 if (!$volume->commandDisabled('url')) {
 $url = $volume->getContentUrl($target, $options);
 return $url ? array('url' => $url) : array();
 }
 }
 return array();
 }
 protected function callback($args) {
 $checkReg = '/[^a-zA-Z0-9;._-]/';
 $node = (isset($args['node']) && !preg_match($checkReg, $args['node'])) ? $args['node'] : '';
 $json = (isset($args['json']) && json_decode($args['json'])) ? $args['json'] : '{}';
 $bind = (isset($args['bind']) && !preg_match($checkReg, $args['bind'])) ? $args['bind'] : '';
 $done = (!empty($args['done']));
 while (ob_get_level()) {
 if (!ob_end_clean()) {
 break;
 }
 }
 if ($done || !$this->callbackWindowURL) {
 $script = '';
 if ($node) {
 if ($bind) {
 $trigger = 'elf.trigger(\'' . $bind . '\', data);';
 $triggerdone = 'elf.trigger(\'' . $bind . 'done\');';
 $triggerfail = 'elf.trigger(\'' . $bind . 'fail\', data);';
 }
 else {
 $trigger = $triggerdone = $triggerfail = '';
 }
 $script .= '
					var w = window.opener || window.parent || window;
					try {
						var elf = w.document.getElementById(\'' . $node . '\').elfinder;
						if (elf) {
							var data = ' . $json . ';
							if (data.error) {
								' . $triggerfail . '
								elf.error(data.error);
							} else {
								data.warning && elf.error(data.warning);
								data.removed && data.removed.length && elf.remove(data);
								data.added   && data.added.length   && elf.add(data);
								data.changed && data.changed.length && elf.change(data);
								' . $trigger . '
								' . $triggerdone . '
								data.sync && elf.sync();
							}
						}
					} catch(e) {
						// for CORS
						w.postMessage && w.postMessage(JSON.stringify({bind:\'' . $bind . '\',data:' . $json . '}), \'*\');
					}';
 }
 $script .= 'window.close();';
 $out = '<!DOCTYPE html><html><head><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><script>' . $script . '</script></head><body><a href="#" onlick="window.close();return false;">Close this window</a></body></html>';
 header('Content-Type: text/html; charset=utf-8');
 header('Content-Length: ' . strlen($out));
 header('Cache-Control: private');
 header('Pragma: no-cache');
 echo $out;
 }
 else {
 $url = $this->callbackWindowURL;
 $url .= ((strpos($url, '?') === false) ? '?' : '&') . '&node=' . rawurlencode($node) . (($json !== '{}') ? ('&json=' . rawurlencode($json)) : '') . ($bind ? ('&bind=' . rawurlencode($bind)) : '') . '&done=1';
 header('Location: ' . $url);
 }
 throw new elFinderAbortException();
 }
 public static function phpErrorHandler($errno, $errstr, $errfile, $errline) {
 static $base = null;
 $proc = false;
 if (is_null($base)) {
 $base = dirname(__FILE__) . DIRECTORY_SEPARATOR;
 }
 if (!(error_reporting() & $errno)) {
 return $proc;
 }
 $errfile = str_replace($base, '', $errfile);
 switch ($errno) {
 case E_WARNING: case E_USER_WARNING: elFinder::$phpErrors[] = "WARNING: $errstr in $errfile line $errline.";
 $proc = true;
 break;
 case E_NOTICE: case E_USER_NOTICE: elFinder::$phpErrors[] = "NOTICE: $errstr in $errfile line $errline.";
 $proc = true;
 break;
 case E_STRICT: elFinder::$phpErrors[] = "STRICT: $errstr in $errfile line $errline.";
 $proc = true;
 break;
 case E_RECOVERABLE_ERROR: elFinder::$phpErrors[] = "RECOVERABLE_ERROR: $errstr in $errfile line $errline.";
 $proc = true;
 break;
 }
 if (defined('E_DEPRECATED')) {
 switch ($errno) {
 case E_DEPRECATED: case E_USER_DEPRECATED: elFinder::$phpErrors[] = "DEPRECATED: $errstr in $errfile line $errline.";
 $proc = true;
 break;
 }
 }
 return $proc;
 }
 protected function volume($hash) {
 foreach ($this->volumes as $id => $v) {
 if (strpos('' . $hash, $id) === 0) {
 return $this->volumes[$id];
 }
 }
 return false;
 }
 protected function toArray($data) {
 return isset($data['hash']) || !is_array($data) ? array($data) : $data;
 }
 protected function hashes($files) {
 $ret = array();
 foreach ($files as $file) {
 $ret[] = $file['hash'];
 }
 return $ret;
 }
 protected function filter($files) {
 $exists = array();
 foreach ($files as $i => $file) {
 if (isset($exists[$file['hash']]) || !empty($file['hidden']) || !$this->default->mimeAccepted($file['mime'])) {
 unset($files[$i]);
 }
 $exists[$file['hash']] = true;
 }
 return array_values($files);
 }
 protected function utime() {
 $time = explode(" ", microtime());
 return (double)$time[1] + (double)$time[0];
 }
 protected function getNetVolumeUniqueId($netVolumes = null, $prefix = 'nm') {
 if (is_null($netVolumes)) {
 $netVolumes = $this->getNetVolumes();
 }
 $ids = array();
 foreach ($netVolumes as $vOps) {
 if (isset($vOps['id']) && strpos($vOps['id'], $prefix) === 0) {
 $ids[$vOps['id']] = true;
 }
 }
 if (!$ids) {
 $id = $prefix . '1';
 }
 else {
 $i = 0;
 while (isset($ids[$prefix . ++$i]) && $i < 10000) ;
 $id = $prefix . $i;
 if (isset($ids[$id])) {
 $id = false;
 }
 }
 return $id;
 }
 protected function itemLocked($hash) {
 if (!elFinder::$commonTempPath) {
 return false;
 }
 $lock = elFinder::$commonTempPath . DIRECTORY_SEPARATOR . $hash . '.lock';
 if (file_exists($lock)) {
 if (filemtime($lock) + $this->itemLockExpire < time()) {
 unlink($lock);
 return false;
 }
 return true;
 }
 return false;
 }
 protected function itemLock($hashes, $autoUnlock = true) {
 if (!elFinder::$commonTempPath) {
 return;
 }
 if (!is_array($hashes)) {
 $hashes = array($hashes);
 }
 foreach ($hashes as $hash) {
 $lock = elFinder::$commonTempPath . DIRECTORY_SEPARATOR . $hash . '.lock';
 if ($this->itemLocked($hash)) {
 $cnt = file_get_contents($lock) + 1;
 }
 else {
 $cnt = 1;
 }
 if (file_put_contents($lock, $cnt, LOCK_EX)) {
 if ($autoUnlock) {
 $this->autoUnlocks[] = $hash;
 }
 }
 }
 }
 protected function itemUnlock($hash) {
 if (!$this->itemLocked($hash)) {
 return true;
 }
 $lock = elFinder::$commonTempPath . DIRECTORY_SEPARATOR . $hash . '.lock';
 $cnt = file_get_contents($lock);
 if (--$cnt < 1) {
 unlink($lock);
 return true;
 }
 else {
 file_put_contents($lock, $cnt, LOCK_EX);
 return false;
 }
 }
 public function itemAutoUnlock() {
 if ($this->autoUnlocks) {
 foreach ($this->autoUnlocks as $hash) {
 $this->itemUnlock($hash);
 }
 $this->autoUnlocks = array();
 }
 }
 protected function ensureDirsRecursively($volume, $target, $dirs, $path = '') {
 $res = array('stats' => array(), 'hashes' => array(), 'makes' => array(), 'error' => array());
 foreach ($dirs as $name => $sub) {
 $name = (string)$name;
 $dir = $newDir = null;
 if ((($parent = $volume->realpath($target)) && ($dir = $volume->dir($volume->getHash($parent, $name)))) || ($newDir = $volume->mkdir($target, $name))) {
 $_path = $path . '/' . $name;
 if ($newDir) {
 $res['makes'][] = $newDir['hash'];
 $dir = $newDir;
 }
 $res['stats'][] = $dir;
 $res['hashes'][$_path] = $dir['hash'];
 if (count($sub)) {
 $res = array_merge_recursive($res, $this->ensureDirsRecursively($volume, $dir['hash'], $sub, $_path));
 }
 }
 else {
 $res['error'][] = $name;
 }
 }
 return $res;
 }
 public static function getApiFullVersion() {
 return (string)self::$ApiVersion . '.' . (string)self::$ApiRevision;
 }
 public static function isAnimationGif($path) {
 list(, , $type) = getimagesize($path);
 switch ($type) {
 case IMAGETYPE_GIF: break;
 default: return false;
 }
 $imgcnt = 0;
 $fp = fopen($path, 'rb');
 fread($fp, 4);
 $c = fread($fp, 1);
 if (ord($c) != 0x39) {
 return false;
 }
 while (!feof($fp)) {
 do {
 $c = fread($fp, 1);
 }
 while (ord($c) != 0x21 && !feof($fp));
 if (feof($fp)) {
 break;
 }
 $c2 = fread($fp, 2);
 if (bin2hex($c2) == "f904") {
 $imgcnt++;
 if ($imgcnt === 2) {
 break;
 }
 }
 if (feof($fp)) {
 break;
 }
 }
 if ($imgcnt > 1) {
 return true;
 }
 else {
 return false;
 }
 }
 public static function isAnimationPng($path) {
 list(, , $type) = getimagesize($path);
 switch ($type) {
 case IMAGETYPE_PNG: break;
 default: return false;
 }
 $fp = fopen($path, 'rb');
 $img_bytes = fread($fp, 1024);
 fclose($fp);
 if ($img_bytes) {
 if (strpos(substr($img_bytes, 0, strpos($img_bytes, 'IDAT')), 'acTL') !== false) {
 return true;
 }
 }
 return false;
 }
 public static function isSeekableStream($resource) {
 $metadata = stream_get_meta_data($resource);
 return $metadata['seekable'];
 }
 public static function rewind($resource) {
 self::isSeekableStream($resource) && rewind($resource);
 }
 public static function sessionDataEncode($var) {
 if (self::$base64encodeSessionData) {
 $var = base64_encode(serialize($var));
 }
 return $var;
 }
 public static function sessionDataDecode(&$var, $checkIs = null) {
 if (self::$base64encodeSessionData) {
 $data = unserialize(base64_decode($var));
 }
 else {
 $data = $var;
 }
 $chk = true;
 if ($checkIs) {
 switch ($checkIs) {
 case 'array': $chk = is_array($data);
 break;
 case 'string': $chk = is_string($data);
 break;
 case 'object': $chk = is_object($data);
 break;
 case 'int': $chk = is_int($data);
 break;
 }
 }
 if (!$chk) {
 unset($var);
 return false;
 }
 return $data;
 }
 public static function sessionWrite() {
 if (session_id()) {
 session_write_close();
 }
 }
 public static function getStaticVar($key) {
 return isset(elFinder::$$key) ? elFinder::$$key : null;
 }
 public static function extendTimeLimit($time = null) {
 static $defLimit = null;
 if (!self::aborted()) {
 if (is_null($defLimit)) {
 $defLimit = ini_get('max_execution_time');
 }
 if ($defLimit != 0) {
 $time = is_null($time) ? $defLimit : max($defLimit, $time);
 set_time_limit($time);
 }
 }
 else {
 throw new elFinderAbortException();
 }
 }
 public static function checkAborted() {
 elFinder::extendTimeLimit();
 }
 public static function getIniBytes($iniName = '', $val = '') {
 if ($iniName !== '') {
 $val = ini_get($iniName);
 if ($val === false) {
 return 0;
 }
 }
 $val = trim($val, "bB \t\n\r\0\x0B");
 $last = strtolower($val[strlen($val) - 1]);
 $val = (int)$val;
 switch ($last) {
 case 't': $val *= 1024;
 case 'g': $val *= 1024;
 case 'm': $val *= 1024;
 case 'k': $val *= 1024;
 }
 return $val;
 }
 public static function getConnectorUrl() {
 $https = (isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off');
 $url = ($https ? 'https://' : 'http://') . $_SERVER['SERVER_NAME'] . (((!$https && $_SERVER['SERVER_PORT'] == 80) || ($https && $_SERVER['SERVER_PORT'] == 443)) ? '' : (':' . $_SERVER['SERVER_PORT'])) . $_SERVER['REQUEST_URI'];
 list($url) = explode('?', $url);
 return $url;
 }
 public static function getStreamByUrl($data, $redirectLimit = 5) {
 if (isset($data['target'])) {
 $data = array( 'cnt' => 0, 'url' => $data['target'], 'headers' => isset($data['headers']) ? $data['headers'] : array(), 'cookies' => array(), );
 }
 if ($data['cnt'] > $redirectLimit) {
 return false;
 }
 $dlurl = $data['url'];
 $data['url'] = '';
 $headers = $data['headers'];
 if ($dlurl) {
 $url = parse_url($dlurl);
 $ports = array( 'http' => '80', 'https' => '443', 'ftp' => '21' );
 $url['scheme'] = strtolower($url['scheme']);
 if (!isset($url['port']) && isset($ports[$url['scheme']])) {
 $url['port'] = $ports[$url['scheme']];
 }
 if (!isset($url['port'])) {
 return false;
 }
 $cookies = array();
 if ($data['cookies']) {
 foreach ($data['cookies'] as $d => $c) {
 if (strpos($url['host'], $d) !== false) {
 $cookies[] = $c;
 }
 }
 }
 $transport = ($url['scheme'] === 'https') ? 'tls' : 'tcp';
 $query = isset($url['query']) ? '?' . $url['query'] : '';
 $stream = stream_socket_client($transport . '://' . $url['host'] . ':' . $url['port']);
 stream_set_timeout($stream, 300);
 fputs($stream, "GET {$url['path']}
{$query}
 HTTP/1.1\r\n");
 fputs($stream, "Host: {$url['host']}
\r\n");
 foreach ($headers as $header) {
 fputs($stream, trim($header, "\r\n") . "\r\n");
 }
 fputs($stream, "Connection: Close\r\n");
 if ($cookies) {
 fputs($stream, 'Cookie: ' . implode('; ', $cookies) . "\r\n");
 }
 fputs($stream, "\r\n");
 while (($res = trim(fgets($stream))) !== '') {
 if (preg_match('/^Location: (.+)$/', $res, $m)) {
 $data['url'] = $m[1];
 }
 if (strpos($res, 'Set-Cookie:') === 0) {
 $domain = $url['host'];
 if (preg_match('/^Set-Cookie:(.+)(?:domain=\s*([^ ;]+))?/i', $res, $c1)) {
 if (!empty($c1[2])) {
 $domain = trim($c1[2]);
 }
 if (preg_match('/([^ ]+=[^;]+)/', $c1[1], $c2)) {
 $data['cookies'][$domain] = $c2[1];
 }
 }
 }
 }
 if ($data['url']) {
 ++$data['cnt'];
 fclose($stream);
 return self::getStreamByUrl($data, $redirectLimit);
 }
 return $stream;
 }
 return false;
 }
 public function getFetchCookieFile() {
 $file = '';
 if ($tmpDir = $this->getTempDir()) {
 $file = $tmpDir . '/.elFinderAnonymousCookie';
 }
 return $file;
 }
 public static function curlExec($curl, $options = array(), $headers = array()) {
 $followLocation = (!ini_get('safe_mode') && !ini_get('open_basedir'));
 if ($followLocation) {
 curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
 }
 if ($options) {
 curl_setopt_array($curl, $options);
 }
 if ($headers) {
 curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
 }
 $result = curl_exec($curl);
 if (!$followLocation && $redirect = curl_getinfo($curl, CURLINFO_REDIRECT_URL)) {
 if ($stream = self::getStreamByUrl(array('target' => $redirect, 'headers' => $headers))) {
 $result = stream_get_contents($stream);
 }
 }
 if ($result === false) {
 if (curl_errno($curl)) {
 throw new \Exception('curl_exec() failed: ' . curl_error($curl));
 }
 else {
 throw new \Exception('curl_exec(): empty response');
 }
 }
 curl_close($curl);
 return $result;
 }
 public static function aborted() {
 if ($file = self::$abortCheckFile) {
 (version_compare(PHP_VERSION, '5.3.0') >= 0) ? clearstatcache(true, $file) : clearstatcache();
 if (!is_file($file)) {
 list($ptn) = explode('elfreq', $file);
 self::GlobGC($ptn . 'elfreq*', 43200);
 return true;
 }
 }
 return false;
 }
 public static function splitFileExtention($name) {
 if (preg_match('/^(.+?)?\.((?:tar\.(?:gz|bz|bz2|z|lzo))|cpio\.gz|ps\.gz|xcf\.(?:gz|bz2)|[a-z0-9]{1,10})$/i', $name, $m)) {
 return array((string)$m[1], $m[2]);
 }
 else {
 return array($name, '');
 }
 }
 public static function getMemorySizeByImageInfo($imgInfo) {
 $width = $imgInfo[0];
 $height = $imgInfo[1];
 $bits = isset($imgInfo['bits']) ? $imgInfo['bits'] : 24;
 $channels = isset($imgInfo['channels']) ? $imgInfo['channels'] : 3;
 return round(($width * $height * $bits * $channels / 8 + Pow(2, 16)) * 1.65);
 }
 public static function expandMemoryForGD($imgInfos) {
 if (elFinder::$memoryLimitGD != 0 && $imgInfos && is_array($imgInfos)) {
 if (!is_array($imgInfos[0])) {
 $imgInfos = array($imgInfos);
 }
 $limit = self::getIniBytes('', elFinder::$memoryLimitGD);
 $memLimit = self::getIniBytes('memory_limit');
 $needs = 0;
 foreach ($imgInfos as $info) {
 $needs += self::getMemorySizeByImageInfo($info);
 }
 $needs += memory_get_usage();
 if ($needs > $memLimit && ($limit == -1 || $limit > $needs)) {
 ini_set('memory_limit', $needs);
 }
 }
 }
 protected static function getCmdOfBind($cmd) {
 list($ret) = explode('.', $cmd);
 return trim($ret);
 }
 protected static function addSubToBindName($cmd, $sub) {
 return $cmd . '.' . trim($sub);
 }
 public static function rmFileInDisconnected($file) {
 (connection_aborted() || connection_status() !== CONNECTION_NORMAL) && is_file($file) && unlink($file);
 }
 public static function onShutdown() {
 self::$abortCheckFile = null;
 if (!empty($GLOBALS['elFinderTempFiles'])) {
 foreach (array_keys($GLOBALS['elFinderTempFiles']) as $f) {
 is_file($f) && unlink($f);
 }
 }
 }
 public static function GlobGC($pattern, $time) {
 $now = time();
 foreach (glob($pattern) as $file) {
 (filemtime($file) < ($now - $time)) && unlink($file);
 }
 }
 }
 class elFinderAbortException extends Exception {
 }
 