File "elFinder.class.php"
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Charset: utf-8
<?php
/**
* elFinder - file manager for web.
* Core class.
*
* @package elfinder
* @author Dmitry (dio) Levashov
* @author Troex Nevelin
* @author Alexey Sukhotin
**/
class elFinder
{
/**
* API version number
*
* @var float
**/
protected static $ApiVersion = 2.1;
/**
* API version number
*
* @deprecated
* @var string
**/
protected $version;
/**
* API revision that this connector supports all functions
*
* @var integer
*/
protected static $ApiRevision = 62;
/**
* Storages (root dirs)
*
* @var array
**/
protected $volumes = array();
/**
* elFinder instance
*
* @var object
*/
public static $instance = null;
/**
* Current request args
*
* @var array
*/
public static $currentArgs = array();
/**
* Network mount drivers
*
* @var array
*/
public static $netDrivers = array();
/**
* elFinder global locale
*
* @var string
*/
public static $locale = '';
/**
* elFinderVolumeDriver default mime.type file path
*
* @var string
*/
public static $defaultMimefile = '';
/**
* A file save destination path when a temporary content URL is required
* on a network volume or the like
* It can be overwritten by volume route setting
*
* @var string
*/
public static $tmpLinkPath = '';
/**
* A file save destination URL when a temporary content URL is required
* on a network volume or the like
* It can be overwritten by volume route setting
*
* @var string
*/
public static $tmpLinkUrl = '';
/**
* Temporary content URL lifetime (seconds)
*
* @var integer
*/
public static $tmpLinkLifeTime = 3600;
/**
* MIME type list handled as a text file
*
* @var array
*/
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'
);
/**
* Maximum memory size to be extended during GD processing
* (0: not expanded, -1: unlimited or memory size notation)
*
* @var integer|string
*/
public static $memoryLimitGD = 0;
/**
* Path of current request flag file for abort check
*
* @var string
*/
protected static $abortCheckFile = null;
/**
* elFinder session wrapper object
*
* @var elFinderSessionInterface
*/
protected $session;
/**
* elFinder global sessionCacheKey
*
* @deprecated
* @var string
*/
public static $sessionCacheKey = '';
/**
* Is session closed
*
* @deprecated
* @var bool
*/
private static $sessionClosed = false;
/**
* elFinder base64encodeSessionData
* elFinder save session data as `UTF-8`
* If the session storage mechanism of the system does not allow `UTF-8`
* And it must be `true` option 'base64encodeSessionData' of elFinder
* WARNING: When enabling this option, if saving the data passed from the user directly to the session variable,
* it make vulnerable to the object injection attack, so use it carefully.
* see https://github.com/Studio-42/elFinder/issues/2345
*
* @var bool
*/
protected static $base64encodeSessionData = false;
/**
* elFinder common tempraly path
*
* @var string
* @default "./.tmp" or sys_get_temp_dir()
**/
protected static $commonTempPath = '';
/**
* Callable function for URL upload filter
* The first argument is a URL and the second argument is an instance of the elFinder class
* A filter should be return true (to allow) / false (to disallow)
*
* @var callable
* @default null
*/
protected $urlUploadFilter = null;
/**
* Connection flag files path that connection check of current request
*
* @var string
* @default value of $commonTempPath
*/
protected static $connectionFlagsPath = '';
/**
* Additional volume root options for network mounting volume
*
* @var array
*/
protected $optionsNetVolumes = array();
/**
* Session key of net mount volumes
*
* @deprecated
* @var string
*/
protected $netVolumesSessionKey = '';
/**
* Mounted volumes count
* Required to create unique volume id
*
* @var int
**/
public static $volumesCnt = 1;
/**
* Default root (storage)
*
* @var elFinderVolumeDriver
**/
protected $default = null;
/**
* Commands and required arguments list
*
* @var array
**/
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)
);
/**
* Plugins instance
*
* @var array
**/
protected $plugins = array();
/**
* Commands listeners
*
* @var array
**/
protected $listeners = array();
/**
* script work time for debug
*
* @var string
**/
protected $time = 0;
/**
* Is elFinder init correctly?
*
* @var bool
**/
protected $loaded = false;
/**
* Send debug to client?
*
* @var string
**/
protected $debug = false;
/**
* Call `session_write_close()` before exec command?
*
* @var bool
*/
protected $sessionCloseEarlier = true;
/**
* SESSION use commands @see __construct()
*
* @var array
*/
protected $sessionUseCmds = array();
/**
* session expires timeout
*
* @var int
**/
protected $timeout = 0;
/**
* Temp dir path for Upload
*
* @var string
*/
protected $uploadTempPath = '';
/**
* Max allowed archive files size (0 - no limit)
*
* @var integer
*/
protected $maxArcFilesSize = 0;
/**
* undocumented class variable
*
* @var string
**/
protected $uploadDebug = '';
/**
* Max allowed numbar of targets (0 - no limit)
*
* @var integer
*/
public $maxTargets = 1000;
/**
* Errors from PHP
*
* @var array
**/
public static $phpErrors = array();
/**
* Errors from not mounted volumes
*
* @var array
**/
public $mountErrors = array();
/**
* Archivers cache
*
* @var array
*/
public static $archivers = array();
/**
* URL for callback output window for CORS
* redirect to this URL when callback output
*
* @var string URL
*/
protected $callbackWindowURL = '';
/**
* hash of items to unlock on command completion
*
* @var array hashes
*/
protected $autoUnlocks = array();
/**
* Item locking expiration (seconds)
* Default: 3600 secs
*
* @var integer
*/
protected $itemLockExpire = 3600;
/**
* Additional request querys
*
* @var array|null
*/
protected $customData = null;
/**
* Ids to remove of session var "urlContentSaveIds" for contents uploading by URL
*
* @var array
*/
protected $removeContentSaveIds = array();
/**
* LAN class allowed when uploading via URL
*
* Array keys are 'local', 'private_a', 'private_b', 'private_c' and 'link'
*
* local: 127.0.0.0/8
* private_a: 10.0.0.0/8
* private_b: 172.16.0.0/12
* private_c: 192.168.0.0/16
* link: 169.254.0.0/16
*
* @var array
*/
protected $uploadAllowedLanIpClasses = array();
/**
* Flag of throw Error on exec()
*
* @var boolean
*/
protected $throwErrorOnExec = false;
/**
* Default params of toastParams
*
* @var array
*/
protected $toastParamsDefault = array(
'mode' => 'warning',
'prefix' => ''
);
/**
* Toast params of runtime notification
*
* @var array
*/
private $toastParams = array();
/**
* Toast messages of runtime notification
*
* @var array
*/
private $toastMessages = array();
/**
* Optional UTF-8 encoder
*
* @var callable || null
*/
private $utf8Encoder = null;
/**
* Seekable URL file pointer ids - for getStreamByUrl()
*
* @var array
*/
private static $seekableUrlFps = array();
// Errors messages
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'; // 'File named "$1" already exists.'
const ERROR_EXTRACT = 'errExtract';
const ERROR_EXTRACT_EXEC = 'errExtractExec';
const ERROR_FILE_NOT_FOUND = 'errFileNotFound'; // 'File not found.'
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'; // 'Invalid folder name.'
const ERROR_INVALID_NAME = 'errInvName'; // 'Invalid file name.'
const ERROR_LOCKED = 'errLocked'; // '"$1" is locked and can not be renamed, moved or removed.'
const ERROR_MAX_TARGTES = 'errMaxTargets'; // 'Max number of selectable items is $1.'
const ERROR_MKDIR = 'errMkdir';
const ERROR_MKFILE = 'errMkfile';
const ERROR_MKOUTLINK = 'errMkOutLink'; // 'Unable to create a link to outside the volume root.'
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'; // Object "$1" already exists at this location and can not be replaced with object of another type.
const ERROR_NOT_UTF8_CONTENT = 'errNotUTF8Content';
const ERROR_OPEN = 'errOpen';
const ERROR_PERM_DENIED = 'errPerm';
const ERROR_REAUTH_REQUIRE = 'errReauthRequire'; // 'Re-authorization is required.'
const ERROR_RENAME = 'errRename';
const ERROR_REPLACE = 'errReplace'; // 'Unable to replace "$1".'
const ERROR_RESIZE = 'errResize';
const ERROR_RESIZESIZE = 'errResizeSize';
const ERROR_RM = 'errRm'; // 'Unable to remove "$1".'
const ERROR_RM_SRC = 'errRmSrc'; // 'Unable remove source file(s)'
const ERROR_SAVE = 'errSave';
const ERROR_SEARCH_TIMEOUT = 'errSearchTimeout'; // 'Timed out while searching "$1". Search result is partial.'
const ERROR_SESSION_EXPIRES = 'errSessionExpires';
const ERROR_TRGDIR_NOT_FOUND = 'errTrgFolderNotFound'; // 'Target folder "$1" not found.'
const ERROR_UNKNOWN = 'errUnknown';
const ERROR_UNKNOWN_CMD = 'errUnknownCmd';
const ERROR_UNSUPPORT_TYPE = 'errUsupportType';
const ERROR_UPLOAD = 'errUpload'; // 'Upload error.'
const ERROR_UPLOAD_FILE = 'errUploadFile'; // 'Unable to upload "$1".'
const ERROR_UPLOAD_FILE_MIME = 'errUploadMime'; // 'File type not allowed.'
const ERROR_UPLOAD_FILE_SIZE = 'errUploadFileSize'; // 'File exceeds maximum allowed size.'
const ERROR_UPLOAD_NO_FILES = 'errUploadNoFiles'; // 'No files found for upload.'
const ERROR_UPLOAD_TEMP = 'errUploadTemp'; // 'Unable to make temporary file for upload.'
const ERROR_UPLOAD_TOTAL_SIZE = 'errUploadTotalSize'; // 'Data exceeds the maximum allowed size.'
const ERROR_UPLOAD_TRANSFER = 'errUploadTransfer'; // '"$1" transfer error.'
const ERROR_MAX_MKDIRS = 'errMaxMkdirs'; // 'You can create up to $1 folders at one time.'
/**
* Constructor
*
* @param array elFinder and roots configurations
*
* @author Dmitry (dio) Levashov
*/
public function __construct($opts)
{
// set default_charset
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');
// define accept constant of server commands path
!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');
// Create archive in RAR4 format even when using RAR5 library (true or false)
!defined('ELFINDER_RAR_MA4') && define('ELFINDER_RAR_MA4', false);
!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);
// enable(true)/disable(false) handling postscript on ImageMagick
// Should be `false` as long as there is a Ghostscript vulnerability
// see https://artifex.com/news/ghostscript-security-resolved/
!defined('ELFINDER_IMAGEMAGICK_PS') && define('ELFINDER_IMAGEMAGICK_PS', false);
// for backward compat
$this->version = (string)self::$ApiVersion;
// set error handler of WARNING, NOTICE
$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);
// Associative array of file pointers to close at the end of script: ['temp file pointer' => true]
$GLOBALS['elFinderTempFps'] = array();
// Associative array of files to delete at the end of script: ['temp file path' => true]
$GLOBALS['elFinderTempFiles'] = array();
// regist Shutdown function
register_shutdown_function(array('elFinder', 'onShutdown'));
// convert PATH_INFO to GET query
if (!empty($_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;
}
}
}
}
}
// set elFinder instance
elFinder::$instance = $this;
// setup debug mode
$this->debug = (isset($opts['debug']) && $opts['debug'] ? true : false);
if ($this->debug) {
error_reporting(defined('ELFINDER_DEBUG_ERRORLEVEL') ? ELFINDER_DEBUG_ERRORLEVEL : -1);
ini_set('display_errors', '1');
// clear output buffer and stop output filters
while (ob_get_level() && ob_end_clean()) {
}
}
if (!interface_exists('elFinderSessionInterface')) {
include_once dirname(__FILE__) . '/elFinderSessionInterface.php';
}
// session handler
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);
}
// try session start | restart
$this->session->start();
// 'netmount' added to handle requests synchronously on unmount
$sessionUseCmds = array('netmount');
if (isset($opts['sessionUseCmds']) && is_array($opts['sessionUseCmds'])) {
$sessionUseCmds = array_merge($sessionUseCmds, $opts['sessionUseCmds']);
}
// set self::$volumesCnt by HTTP header "X-elFinder-VolumesCntStart"
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']);
}
if (!empty($opts['uploadAllowedLanIpClasses'])) {
$this->uploadAllowedLanIpClasses = array_flip($opts['uploadAllowedLanIpClasses']);
}
// deprecated settings
$this->netVolumesSessionKey = !empty($opts['netVolumesSessionKey']) ? $opts['netVolumesSessionKey'] : 'elFinderNetVolumes';
self::$sessionCacheKey = !empty($opts['sessionCacheKey']) ? $opts['sessionCacheKey'] : 'elFinderCaches';
// check session cache
$_optsMD5 = md5(json_encode($opts['roots']));
if ($this->session->get('_optsMD5') !== $_optsMD5) {
$this->session->set('_optsMD5', $_optsMD5);
}
// setlocale and global locale regists to elFinder::locale
self::$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::$locale = setlocale(LC_ALL, '0');
}
// set defaultMimefile
elFinder::$defaultMimefile = isset($opts['defaultMimefile']) ? $opts['defaultMimefile'] : '';
// set memoryLimitGD
elFinder::$memoryLimitGD = isset($opts['memoryLimitGD']) ? $opts['memoryLimitGD'] : 0;
// set flag of throwErrorOnExec
// `true` need `try{}` block for `$connector->run();`
$this->throwErrorOnExec = !empty($opts['throwErrorOnExec']);
// set archivers
elFinder::$archivers = isset($opts['archivers']) && is_array($opts['archivers']) ? $opts['archivers'] : array();
// set utf8Encoder
if (isset($opts['utf8Encoder']) && is_callable($opts['utf8Encoder'])) {
$this->utf8Encoder = $opts['utf8Encoder'];
}
// for LocalFileSystem driver on Windows server
if (DIRECTORY_SEPARATOR !== '/') {
if (empty($opts['bind'])) {
$opts['bind'] = array();
}
$_key = 'upload.pre mkdir.pre mkfile.pre rename.pre archive.pre ls.pre';
if (!isset($opts['bind'][$_key])) {
$opts['bind'][$_key] = array();
}
array_push($opts['bind'][$_key], 'Plugin.WinRemoveTailDots.cmdPreprocess');
$_key = 'upload.presave paste.copyfrom';
if (!isset($opts['bind'][$_key])) {
$opts['bind'][$_key] = array();
}
array_push($opts['bind'][$_key], 'Plugin.WinRemoveTailDots.onUpLoadPreSave');
}
// bind events listeners
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('elFinder::getCmdOfBind', explode(' ', $cmd))));
}
if ($doRegist) {
// for backward compatibility
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'])) {
$opts['roots'] = array();
}
// try to enable elFinderVolumeFlysystemZipArchiveNetmount to zip editing
if (empty(elFinder::$netDrivers['ziparchive'])) {
elFinder::$netDrivers['ziparchive'] = 'FlysystemZipArchiveNetmount';
}
// check for net volumes stored in session
$netVolumes = $this->getNetVolumes();
foreach ($netVolumes as $key => $root) {
if (!isset($root['id'])) {
// given fixed unique id
if (!$root['id'] = $this->getNetVolumeUniqueId($netVolumes)) {
$this->mountErrors[] = 'Netmount Driver "' . $root['driver'] . '" : Could\'t given volume id.';
continue;
}
}
$root['_isNetVolume'] = true;
$opts['roots'][$key] = $root;
}
// "mount" volumes
foreach ($opts['roots'] as $i => $o) {
$class = 'elFinderVolume' . (isset($o['driver']) ? $o['driver'] : '');
if (class_exists($class)) {
/* @var elFinderVolumeDriver $volume */
$volume = new $class();
try {
if ($this->maxArcFilesSize && (empty($o['maxArcFilesSize']) || $this->maxArcFilesSize < $o['maxArcFilesSize'])) {
$o['maxArcFilesSize'] = $this->maxArcFilesSize;
}
// pass session handler
$volume->setSession($this->session);
if (!$this->default) {
$volume->setNeedOnline(true);
}
if ($volume->mount($o)) {
// unique volume id (ends on "_") - used as prefix to files hash
$id = $volume->id();
$this->volumes[$id] = $volume;
if ((!$this->default || $volume->root() !== $volume->defaultPath()) && $volume->isReadable()) {
$this->default = $volume;
}
} else {
if (!empty($o['_isNetVolume'])) {
$this->removeNetVolume($i, $volume);
}
$this->mountErrors[] = 'Driver "' . $class . '" : ' . implode(' ', $volume->error());
}
} catch (Exception $e) {
if (!empty($o['_isNetVolume'])) {
$this->removeNetVolume($i, $volume);
}
$this->mountErrors[] = 'Driver "' . $class . '" : ' . $e->getMessage();
}
} else {
if (!empty($o['_isNetVolume'])) {
$this->removeNetVolume($i, $volume);
}
$this->mountErrors[] = 'Driver "' . $class . '" does not exist';
}
}
// if at least one readable volume - ii desu >_<
$this->loaded = !empty($this->default);
// restore error handler for now
restore_error_handler();
}
/**
* Return elFinder session wrapper instance
*
* @return elFinderSessionInterface
**/
public function getSession()
{
return $this->session;
}
/**
* Return true if fm init correctly
*
* @return bool
* @author Dmitry (dio) Levashov
**/
public function loaded()
{
return $this->loaded;
}
/**
* Return version (api) number
*
* @return string
* @author Dmitry (dio) Levashov
**/
public function version()
{
return self::$ApiVersion;
}
/**
* Return revision (api) number
*
* @return string
* @author Naoki Sawada
**/
public function revision()
{
return self::$ApiRevision;
}
/**
* Add handler to elFinder command
*
* @param string command name
* @param string|array callback name or array(object, method)
*
* @return elFinder
* @author Dmitry (dio) Levashov
**/
public function bind($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 $this;
}
/**
* Remove event (command exec) handler
*
* @param string command name
* @param string|array callback name or array(object, method)
*
* @return elFinder
* @author Dmitry (dio) Levashov
**/
public function unbind($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;
}
/**
* Trigger binded functions
*
* @param string $cmd binded command name
* @param array $vars variables to pass to listeners
* @param array $errors array into which the error is written
*/
public function trigger($cmd, $vars, &$errors)
{
if (!empty($this->listeners[$cmd])) {
foreach ($this->listeners[$cmd] as $handler) {
$_res = call_user_func_array($handler, $vars);
if ($_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 ($_res['error']) {
throw new elFinderTriggerException();
}
}
}
}
}
}
/**
* Return true if command exists
*
* @param string command name
*
* @return bool
* @author Dmitry (dio) Levashov
**/
public function commandExists($cmd)
{
return $this->loaded && isset($this->commands[$cmd]) && method_exists($this, $cmd);
}
/**
* Return root - file's owner (public func of volume())
*
* @param string file hash
*
* @return elFinderVolumeDriver
* @author Naoki Sawada
*/
public function getVolume($hash)
{
return $this->volume($hash);
}
/**
* Return command required arguments info
*
* @param string command name
*
* @return array
* @author Dmitry (dio) Levashov
**/
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;
}
/**
* Exec command and return result
*
* @param string $cmd command name
* @param array $args command arguments
*
* @return array
* @throws elFinderAbortException|Exception
* @author Dmitry (dio) Levashov
**/
public function exec($cmd, $args)
{
// set error handler of WARNING, NOTICE
set_error_handler('elFinder::phpErrorHandler', E_WARNING | E_NOTICE | E_USER_WARNING | E_USER_NOTICE);
// set current request args
self::$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));
}
// check request id
$args['reqid'] = preg_replace('[^0-9a-fA-F]', '', !empty($args['reqid']) ? $args['reqid'] : (!empty($_SERVER['HTTP_X_ELFINDERREQID']) ? $_SERVER['HTTP_X_ELFINDERREQID'] : ''));
// to abort this request
if ($cmd === 'abort') {
$this->abort($args);
return array('error' => 0);
}
// make flag file and set self::$abortCheckFile
if ($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($args['mimes']);
}
}
// regist shutdown function as fallback
register_shutdown_function(array($this, 'itemAutoUnlock'));
// detect destination dirHash and volume
$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') {
// for initial open without args `target`
$dstVolume = $this->default;
$dst = $dstVolume->defaultPath();
}
$result = null;
// call pre handlers for this command
$args['sessionCloseEarlier'] = isset($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, $_res['results']);
}
break;
}
}
}
}
// unlock session data for multiple access
if ($this->sessionCloseEarlier && $args['sessionCloseEarlier']) {
$this->session->close();
// deprecated property
elFinder::$sessionClosed = true;
}
if (substr(PHP_OS, 0, 3) === 'WIN') {
// set time out
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;
}
}
}
// check change dstDir
$changeDst = false;
if ($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;
}
}
$volume->resetResultStat();
}
// dstDir is changed
if ($changeDst) {
if ($dstDir = $dstVolume->dir($dst)) {
if (!isset($result['changed'])) {
$result['changed'] = array();
}
$result['changed'][] = $dstDir;
}
}
// call handlers for this command
if (!empty($this->listeners[$cmd])) {
foreach ($this->listeners[$cmd] as $handler) {
if (call_user_func_array($handler, array($cmd, &$result, $args, $this, $dstVolume))) {
// handler return true to force sync client after command completed
$result['sync'] = true;
}
}
}
// replace removed files info with removed files hashes
if (!empty($result['removed'])) {
$removed = array();
foreach ($result['removed'] as $file) {
$removed[] = $file['hash'];
}
$result['removed'] = array_unique($removed);
}
// remove hidden files and filter files by mimetypes
if (!empty($result['added'])) {
$result['added'] = $this->filter($result['added']);
}
// remove hidden files and filter files by mimetypes
if (!empty($result['changed'])) {
$result['changed'] = $this->filter($result['changed']);
}
// add toasts
if ($this->toastMessages) {
$result['toasts'] = array_merge(((isset($result['toasts']) && is_array($result['toasts']))? $result['toasts'] : array()), $this->toastMessages);
}
if ($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' => $this->mountErrors
);
foreach ($this->volumes as $id => $volume) {
$result['debug']['volumes'][] = $volume->debug();
}
}
// remove sesstion var 'urlContentSaveIds'
if ($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();
}
// unlock locked items
$this->itemAutoUnlock();
// custom data
if ($this->customData !== null) {
$result['customData'] = $this->customData ? json_encode($this->customData) : '';
}
if (!empty($result['debug'])) {
$result['debug']['backendErrors'] = elFinder::$phpErrors;
}
elFinder::$phpErrors = array();
restore_error_handler();
if (!empty($result['callback'])) {
$result['callback']['json'] = json_encode($result);
$this->callback($result['callback']);
return array();
} else {
return $result;
}
}
/**
* Return file real path
*
* @param string $hash file hash
*
* @return string
* @author Dmitry (dio) Levashov
**/
public function realpath($hash)
{
if (($volume = $this->volume($hash)) == false) {
return false;
}
return $volume->realpath($hash);
}
/**
* Sets custom data(s).
*
* @param string|array $key The key or data array
* @param mixed $val The value
*
* @return self ( elFinder instance )
*/
public function setCustomData($key, $val = null)
{
if (is_array($key)) {
foreach ($key as $k => $v) {
$this->customData[$k] = $v;
}
} else {
$this->customData[$key] = $val;
}
return $this;
}
/**
* Removes a custom data.
*
* @param string $key The key
*
* @return self ( elFinder instance )
*/
public function removeCustomData($key)
{
$this->customData[$key] = null;
return $this;
}
/**
* Update sesstion value of a NetVolume option
*
* @param string $netKey
* @param string $optionKey
* @param mixed $val
*
* @return bool
*/
public function updateNetVolumeOption($netKey, $optionKey, $val)
{
$netVolumes = $this->getNetVolumes();
if (is_string($netKey) && isset($netVolumes[$netKey]) && is_string($optionKey)) {
$netVolumes[$netKey][$optionKey] = $val;
$this->saveNetVolumes($netVolumes);
return true;
}
return false;
}
/**
* remove of session var "urlContentSaveIds"
*
* @param string $id
*/
public function removeUrlContentSaveId($id)
{
$this->removeContentSaveIds[$id] = true;
}
/**
* Return network volumes config.
*
* @return array
* @author Dmitry (dio) Levashov
*/
protected function getNetVolumes()
{
if ($data = $this->session->get('netvolume', array())) {
return $data;
}
return array();
}
/**
* Save network volumes config.
*
* @param array $volumes volumes config
*
* @return void
* @author Dmitry (dio) Levashov
*/
protected function saveNetVolumes($volumes)
{
$this->session->set('netvolume', $volumes);
}
/**
* Remove netmount volume
*
* @param string $key netvolume key
* @param object $volume volume driver instance
*
* @return bool
*/
protected function removeNetVolume($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;
}
/**
* Get plugin instance & set to $this->plugins
*
* @param string $name Plugin name (dirctory name)
* @param array $opts Plugin options (optional)
*
* @return object | bool Plugin object instance Or false
* @author Naoki Sawada
*/
protected function getPluginInstance($name, $opts = array())
{
$key = strtolower($name);
if (!isset($this->plugins[$key])) {
$class = 'elFinderPlugin' . $name;
// to try auto load
if (!class_exists($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];
}
/***************************************************************************/
/* commands */
/***************************************************************************/
/**
* Normalize error messages
*
* @return array
* @author Dmitry (dio) Levashov
**/
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);
}
/**
* @param $args
*
* @return array
* @throws elFinderAbortException
*/
protected function netmount($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;
}
}
/* @var elFinderVolumeDriver $volume */
$volume = new $class();
// pass session handler
$volume->setSession($this->session);
$volume->setNeedOnline(true);
if (is_callable(array($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'])) {
// given fixed unique id
if (!$options['id'] = $this->getNetVolumeUniqueId($netVolumes)) {
return array('error' => $this->error(self::ERROR_NETMOUNT, $args['host'], 'Could\'t given volume id.'));
}
}
// load additional volume root options
if (!empty($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)) {
// call post-process function of netmount
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())));
}
}
/**
* "Open" directory
* Return array with following elements
* - cwd - opened dir info
* - files - opened dir content [and dirs tree if $args[tree]]
* - api - api version (if $args[init])
* - uplMaxSize - if $args[init]
* - error - on failed
*
* @param array command arguments
*
* @return array
* @throws elFinderAbortException
* @author Dmitry (dio) Levashov
*/
protected function open($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;
$compare = '';
// on init request we can get invalid dir hash -
// dir which can not be opened now, but remembered by client,
// so open default dir
if ((!$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));
}
$files = array();
// get current working directory files list
if (($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);
}
// get other volume root
if ($tree) {
foreach ($this->volumes as $id => $v) {
$files[] = $v->file($v->root());
}
}
// long polling mode
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 $_f) {
if (isset($_f['ts'])) {
$_mtime = max($_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 $result;
}
/**
* Return dir files names list
*
* @param array command arguments
*
* @return array
* @author Dmitry (dio) Levashov
**/
protected function ls($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' => $list);
}
/**
* Return subdirs for required directory
*
* @param array command arguments
*
* @return array
* @author Dmitry (dio) Levashov
**/
protected function tree($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' => $tree);
}
/**
* Return parents dir for required directory
*
* @param array command arguments
*
* @return array
* @throws elFinderAbortException
* @author Dmitry (dio) Levashov
*/
protected function parents($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' => $tree);
}
/**
* Return new created thumbnails list
*
* @param array command arguments
*
* @return array
* @throws ImagickException
* @throws elFinderAbortException
* @author Dmitry (dio) Levashov
*/
protected function tmb($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 $result;
}
/**
* Download files/folders as an archive file
* 1st: Return srrsy contains download archive file info
* 2nd: Return array contains opened file pointer, root itself and required headers
*
* @param array command arguments
*
* @return array
* @throws Exception
* @author Naoki Sawada
*/
protected function zipdl($args)
{
$targets = $args['targets'];
$download = !empty($args['download']);
$h404 = 'HTTP/1.x 404 Not Found';
$CriOS = isset($_SERVER['HTTP_USER_AGENT'])? (strpos($_SERVER['HTTP_USER_AGENT'], 'CriOS') !== false) : false;
if (!$download) {
//1st: Return array contains download archive file info
$error = array(self::ERROR_ARCHIVE);
if (($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'];
$uniqid = uniqid();
if(ZEND_THREAD_SAFE){
set_transient("zipdl$uniqid", basename($path),MINUTE_IN_SECONDS);
} else {
$this->session->set('zipdl' . $uniqid, basename($path));
}
$result = array(
'zipdl' => array(
'file' => $CriOS? basename($path) : $uniqid,
'name' => $name,
'mime' => $dlres['mime']
)
);
return $result;
}
$error = array_merge($error, $volume->error());
}
return array('error' => $error);
} else {
// 2nd: Return array contains opened file session key, root itself and required headers
// Detect Chrome on iOS
// It has access twice on downloading
$CriOSinit = false;
if ($CriOS) {
$accept = isset($_SERVER['HTTP_ACCEPT'])? $_SERVER['HTTP_ACCEPT'] : '';
if ($accept && $accept !== '*' && $accept !== '*/*') {
$CriOSinit = true;
}
}
// data check
if (count($targets) !== 4 ||
($volume = $this->volume($targets[0])) == false ||
!($file = $CriOS ? $targets[1] : ( ZEND_THREAD_SAFE ? get_transient( "zipdl$targets[1]" ) : $this->session->get( 'zipdl' . $targets[1] ) ) )) {
return array('error' => 'File not found', 'header' => $h404, 'raw' => true);
}
$path = $volume->getTempPath() . DIRECTORY_SEPARATOR . basename($file);
// remove session data of "zipdl..."
if(ZEND_THREAD_SAFE){
delete_transient("zipdl$targets[1]");
} else {
$this->session->remove('zipdl' . $targets[1]);
}
if (!$CriOSinit) {
// register auto delete on shutdown
$GLOBALS['elFinderTempFiles'][$path] = true;
}
if ($volume->commandDisabled('zipdl')) {
return array('error' => 'File not found', 'header' => $h404, 'raw' => true);
}
if (!is_readable($path) || !is_writable($path)) {
return array('error' => 'File not found', 'header' => $h404, 'raw' => true);
}
// for HTTP headers
$name = $targets[2];
$mime = $targets[3];
$filenameEncoded = rawurlencode($name);
if (strpos($filenameEncoded, '%') === false) { // ASCII only
$filename = 'filename="' . $name . '"';
} else {
$ua = $_SERVER['HTTP_USER_AGENT'];
if (preg_match('/MSIE [4-8]/', $ua)) { // IE < 9 do not support RFC 6266 (RFC 2231/RFC 5987)
$filename = 'filename="' . $filenameEncoded . '"';
} elseif (strpos($ua, 'Chrome') === false && strpos($ua, 'Safari') !== false && preg_match('#Version/[3-5]#', $ua)) { // Safari < 6
$filename = 'filename="' . str_replace('"', '', $name) . '"';
} else { // RFC 6266 (RFC 2231/RFC 5987)
$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: ' . $file['size'],
'Accept-Ranges: none',
'Connection: close'
)
);
// add cache control headers
if ($cacheHeaders = $volume->getOption('cacheHeaders')) {
$result['header'] = array_merge($result['header'], $cacheHeaders);
}
return $result;
}
}
/**
* Required to output file in browser when volume URL is not set
* Return array contains opened file pointer, root itself and required headers
*
* @param array command arguments
*
* @return array
* @throws elFinderAbortException
* @author Dmitry (dio) Levashov
*/
protected function file($args)
{
$target = $args['target'];
$download = !empty($args['download']);
$onetime = !empty($args['onetime']);
//$h304 = 'HTTP/1.1 304 Not Modified';
$h403 = 'HTTP/1.0 403 Access Denied';
$a403 = array('error' => 'Access Denied', 'header' => $h403, 'raw' => true);
$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 $a404;
}
if ($volume->commandDisabled('file')) {
return $a403;
}
if (($file = $volume->file($target)) == false) {
return $a404;
}
if (!$file['read']) {
return $a404;
}
$opts = array();
if (!empty($_SERVER['HTTP_RANGE'])) {
$opts['httpheaders'] = array('Range: ' . $_SERVER['HTTP_RANGE']);
}
if (($fp = $volume->open($target, $opts)) == false) {
return $a404;
}
}
// check aborted by user
elFinder::checkAborted();
// allow change MIME type by 'file.pre' callback functions
$mime = isset($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) { // ASCII only
$filename = 'filename="' . $file['name'] . '"';
} else {
$ua = isset($_SERVER['HTTP_USER_AGENT'])? $_SERVER['HTTP_USER_AGENT'] : '';
if (preg_match('/MSIE [4-8]/', $ua)) { // IE < 9 do not support RFC 6266 (RFC 2231/RFC 5987)
$filename = 'filename="' . $filenameEncoded . '"';
} elseif (strpos($ua, 'Chrome') === false && strpos($ua, 'Safari') !== false && preg_match('#Version/[3-5]#', $ua)) { // Safari < 6
$filename = 'filename="' . str_replace('"', '', $file['name']) . '"';
} else { // RFC 6266 (RFC 2231/RFC 5987)
$filename = 'filename*=UTF-8\'\'' . $filenameEncoded;
}
}
if ($args['cpath'] && $args['reqid']) {
setcookie('elfdl' . $args['reqid'], '1', 0, urlencode($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) {
// add cache control headers
if ($cacheHeaders = $volume->getOption('cacheHeaders')) {
$result['header'] = array_merge($result['header'], $cacheHeaders);
}
// check 'xsendfile'
$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'] = $xsendfile;
}
}
// add "Content-Location" if file has url data
if (isset($file['url']) && $file['url'] && $file['url'] != 1) {
$result['header'][] = 'Content-Location: ' . $file['url'];
}
return $result;
}
/**
* Count total files size
*
* @param array command arguments
*
* @return array
* @throws elFinderAbortException
* @author Dmitry (dio) Levashov
*/
protected function size($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' => $sizes);
}
/**
* Create directory
*
* @param array command arguments
*
* @return array
* @author Dmitry (dio) Levashov
**/
protected function mkdir($args)
{
$target = $args['target'];
$name = $args['name'];
$dirs = $args['dirs'];
if ($name === '' && !$dirs) {
return array('error' => $this->error(self::ERROR_INV_PARAMS, 'mkdir'));
}
if (strpos($name,'..') !== false) {
return array('error' => $this->error('Invalid request', 'mkdir'));
}
if (($volume = $this->volume($target)) == false) {
return array('error' => $this->error(self::ERROR_MKDIR, $name, self::ERROR_TRGDIR_NOT_FOUND, '#' . $target));
}
if ($dirs) {
$maxDirs = $volume->getOption('uploadMaxMkdirs');
if ($maxDirs && $maxDirs < count($dirs)) {
return array('error' => $this->error(self::ERROR_MAX_MKDIRS, $maxDirs));
}
sort($dirs);
$reset = null;
$mkdirs = array();
foreach ($dirs as $dir) {
if(strpos($dir,'..') !== false){
return array('error' => $this->error('Invalid request', 'mkdir'));
}
$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));
}
}
/**
* Create empty file
*
* @param array command arguments
*
* @return array
* @author Dmitry (dio) Levashov
**/
protected function mkfile($args)
{
$target = $args['target'];
$name = str_replace('..', '', $args['name']);
if (($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, $name)) == false
? array('error' => $this->error(self::ERROR_MKFILE, $name, $volume->error()))
: array('added' => array($file));
}
/**
* Rename file, Accept multiple items >= API 2.1031
*
* @param array $args
*
* @return array
* @throws elFinderAbortException
* @author Dmitry (dio) Levashov
* @author Naoki Sawada
*/
protected function rename($args)
{
$target = $args['target'];
$name = $args['name'];
$query = (!empty($args['q']) && strpos($args['q'], '*') !== false) ? $args['q'] : '';
$targets = !empty($args['targets'])? $args['targets'] : false;
$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, '#' . $target, self::ERROR_FILE_NOT_FOUND));
}
if (strpos($name,'..') !== false) {
return array('error' => $this->error('Invalid request', 'rename'));
}
if ($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) {
// batch rename
$splits = elFinder::splitFileExtention($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);
$file = $volume->rename($target, $name);
if ($file === false) {
return array('error' => $this->error(self::ERROR_RENAME, $rm['name'], $volume->error()));
} else {
if ($file['hash'] !== $rm['hash']) {
return array('added' => array($file), 'removed' => array($rm));
} else {
return array('changed' => array($file));
}
}
}
}
/**
* Duplicate file - create copy with "copy %d" suffix
*
* @param array $args command arguments
*
* @return array
* @throws elFinderAbortException
* @author Dmitry (dio) Levashov
*/
protected function duplicate($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 $result;
}
/**
* Remove dirs/files
*
* @param array command arguments
*
* @return array
* @throws elFinderAbortException
* @author Dmitry (dio) Levashov
*/
protected function rm($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 $result;
}
/**
* Return has subdirs
*
* @param array command arguments
*
* @return array
* @author Dmitry Naoki Sawada
**/
protected function subdirs($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;
}
/**
* Gateway for custom contents editor
*
* @param array $args command arguments
*
* @return array
* @author Naoki Sawada
*/
protected function editor($args = array())
{
/* @var elFinderEditor $editor */
$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));
}
}
/**
* Abort current request and make flag file to running check
*
* @param array $args
*
* @return void
*/
protected function abort($args = array())
{
if (!elFinder::$connectionFlagsPath || $_SERVER['REQUEST_METHOD'] === 'HEAD') {
return;
}
$flagFile = elFinder::$connectionFlagsPath . DIRECTORY_SEPARATOR . 'elfreq%s';
if (!empty($args['makeFile'])) {
self::$abortCheckFile = sprintf($flagFile, self::filenameDecontaminate($args['makeFile']));
touch(self::$abortCheckFile);
$GLOBALS['elFinderTempFiles'][self::$abortCheckFile] = true;
return;
}
$file = !empty($args['id']) ? sprintf($flagFile, self::filenameDecontaminate($args['id'])) : self::$abortCheckFile;
$file && is_file($file) && unlink($file);
}
/**
* Validate an URL to prevent SSRF attacks.
*
* To prevent any risk of DNS rebinding, always use the IP address resolved by
* this method, as returned in the array entry `ip`.
*
* @param string $url
*
* @return false|array
*/
protected function validate_address($url)
{
$info = parse_url($url);
$host = trim(strtolower($info['host']), '.');
// do not support IPv6 address
if (preg_match('/^\[.*\]$/', $host)) {
return false;
}
// do not support non dot host
if (strpos($host, '.') === false) {
return false;
}
// do not support URL-encoded host
if (strpos($host, '%') !== false) {
return false;
}
// disallow including "localhost" and "localdomain"
if (preg_match('/\b(?:localhost|localdomain)\b/', $host)) {
return false;
}
// check IPv4 local loopback, private network and link local
$ip = gethostbyname($host);
if (preg_match('/^0x[0-9a-f]+|[0-9]+(?:\.(?:0x[0-9a-f]+|[0-9]+)){1,3}$/', $ip, $m)) {
$long = (int)sprintf('%u', ip2long($ip));
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;
$link = (int)sprintf('%u', ip2long('169.254.255.255')) >> 16;
if (!isset($this->uploadAllowedLanIpClasses['local']) && $long >> 24 === $local) {
return false;
}
if (!isset($this->uploadAllowedLanIpClasses['private_a']) && $long >> 24 === $prv1) {
return false;
}
if (!isset($this->uploadAllowedLanIpClasses['private_b']) && $long >> 20 === $prv2) {
return false;
}
if (!isset($this->uploadAllowedLanIpClasses['private_c']) && $long >> 16 === $prv3) {
return false;
}
if (!isset($this->uploadAllowedLanIpClasses['link']) && $long >> 16 === $link) {
return false;
}
$info['ip'] = long2ip($long);
if (!isset($info['port'])) {
$info['port'] = $info['scheme'] === 'https' ? 443 : 80;
}
if (!isset($info['path'])) {
$info['path'] = '/';
}
return $info;
} else {
return false;
}
}
/**
* Get remote contents
*
* @param string $url target url
* @param int $timeout timeout (sec)
* @param int $redirect_max redirect max count
* @param string $ua
* @param resource $fp
*
* @return string, resource or bool(false)
* @retval string contents
* @retval resource conttents
* @rettval false error
* @author Naoki Sawada
**/
protected function get_remote_contents(&$url, $timeout = 30, $redirect_max = 5, $ua = 'Mozilla/5.0', $fp = null)
{
if (preg_match('~^(?:ht|f)tps?://[-_.!\~*\'()a-z0-9;/?:\@&=+\$,%#\*\[\]]+~i', $url)) {
$info = $this->validate_address($url);
if ($info === false) {
return false;
}
// dose not support 'user' and 'pass' for security reasons
$url = $info['scheme'].'://'.$info['host'].(!empty($info['port'])? (':'.$info['port']) : '').$info['path'].(!empty($info['query'])? ('?'.$info['query']) : '').(!empty($info['fragment'])? ('#'.$info['fragment']) : '');
// check by URL upload filter
if ($this->urlUploadFilter && is_callable($this->urlUploadFilter)) {
if (!call_user_func_array($this->urlUploadFilter, array($url, $this))) {
return false;
}
}
$method = (function_exists('curl_exec')) ? 'curl_get_contents' : 'fsock_get_contents';
return $this->$method($url, $timeout, $redirect_max, $ua, $fp, $info);
}
return false;
}
/**
* Get remote contents with cURL
*
* @param string $url target url
* @param int $timeout timeout (sec)
* @param int $redirect_max redirect max count
* @param string $ua
* @param resource $outfp
*
* @return string, resource or bool(false)
* @retval string contents
* @retval resource conttents
* @retval false error
* @author Naoki Sawada
**/
protected function curl_get_contents(&$url, $timeout, $redirect_max, $ua, $outfp, $info)
{
if ($redirect_max == 0) {
return false;
}
$ch = curl_init();
curl_setopt($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($ch, CURLOPT_FOLLOWLOCATION, false);
curl_setopt($ch, CURLOPT_USERAGENT, $ua);
curl_setopt($ch, CURLOPT_RESOLVE, array($info['host'] . ':' . $info['port'] . ':' . $info['ip']));
$result = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
if ($http_code == 301 || $http_code == 302) {
$new_url = curl_getinfo($ch, CURLINFO_REDIRECT_URL);
$info = $this->validate_address($new_url);
if ($info === false) {
return false;
}
return $this->curl_get_contents($new_url, $timeout, $redirect_max - 1, $ua, $outfp, $info);
}
curl_close($ch);
return $outfp ? $outfp : $result;
}
/**
* Get remote contents with fsockopen()
*
* @param string $url url
* @param int $timeout timeout (sec)
* @param int $redirect_max redirect max count
* @param string $ua
* @param resource $outfp
*
* @return string, resource or bool(false)
* @retval string contents
* @retval resource conttents
* @retval false error
* @throws elFinderAbortException
* @author Naoki Sawada
*/
protected function fsock_get_contents(&$url, $timeout, $redirect_max, $ua, $outfp, $info)
{
$connect_timeout = 3;
$connect_try = 3;
$method = 'GET';
$readsize = 4096;
$ssl = '';
$getSize = null;
$headers = '';
$arr = $info;
if ($arr['scheme'] === 'https') {
$ssl = 'ssl://';
}
// query
$arr['query'] = isset($arr['query']) ? '?' . $arr['query'] : '';
$url_base = $arr['scheme'] . '://' . $info['host'] . ':' . $info['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;
$connect_try_count++;
if (connection_aborted()) {
throw new elFinderAbortException();
}
sleep(1); // wait 1sec
}
if (!$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, ''); // array('HTTP/1.1','200')
$rc = (int)$rccd[1];
$ret = false;
// Redirect
switch ($rc) {
case 307: // Temporary Redirect
case 303: // See Other
case 302: // Moved Temporarily
case 301: // Moved Permanently
$matches = array();
if (preg_match('/^Location: (.+?)(#.+)?$/im', $header, $matches) && --$redirect_max > 0) {
$_url = $url;
$url = trim($matches[1]);
if (!preg_match('/^https?:\//', $url)) { // no scheme
if ($url[0] != '/') { // Relative path
// to Absolute path
$url = substr($url_path, 0, strrpos($url_path, '/')) . '/' . $url;
}
// add sheme,host
$url = $url_base . $url;
}
if ($_url === $url) {
sleep(1);
}
fclose($fp);
$info = $this->validate_address($url);
if ($info === false) {
return false;
}
return $this->fsock_get_contents($url, $timeout, $redirect_max, $ua, $outfp, $info);
}
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($fp);
return false; // Request Time-out
}
}
}
if ($body) {
rewind($outfp);
$body = stream_get_contents($outfp);
fclose($outfp);
$outfp = null;
}
fclose($fp);
return $outfp ? $outfp : $body; // Data
}
/**
* Parse Data URI scheme
*
* @param string $str
* @param array $extTable
* @param array $args
*
* @return array
* @author Naoki Sawada
*/
protected function parse_data_scheme($str, $extTable, $args = null)
{
$data = $name = $mime = '';
// Scheme 'data://' require `allow_url_fopen` and `allow_url_include`
if ($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] : '';
// Set name if name eq 'image.png' and $args has 'name' array, e.g. clipboard data
if (is_array($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);
}
/**
* Detect file MIME Type by local path
*
* @param string $path Local path
*
* @return string file MIME Type
* @author Naoki Sawada
*/
protected function detectMimeType($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';
$finfo = finfo_open(FILEINFO_MIME);
} elseif (function_exists('mime_content_type')
&& ($_ctypes = explode(';', mime_content_type(__FILE__)))
&& preg_match($regexp, array_shift($_ctypes))) {
$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'))) {
// finfo return this mime for empty files
$mime = 'text/plain';
} elseif ($mime == 'application/x-zip') {
// http://elrte.org/redmine/issues/163
$mime = 'application/zip';
}
}
return $mime ? $mime : 'unknown';
}
/**
* Detect file type extension by local path
*
* @param object $volume elFinderVolumeDriver instance
* @param string $path Local path
* @param string $name Filename to save
*
* @return string file type extension with dot
* @author Naoki Sawada
*/
protected function detectFileExtension($volume, $path, $name)
{
$mime = $this->detectMimeType($path);
if ($mime === 'unknown') {
$mime = 'application/octet-stream';
}
$ext = $volume->getExtentionByMime($volume->mimeTypeNormalize($mime, $name));
return $ext ? ('.' . $ext) : '';
}
/**
* Get temporary directory path
*
* @param string $volumeTempPath
*
* @return string
* @author Naoki Sawada
*/
private function getTempDir($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 $tempDir;
}
/**
* chmod
*
* @param array command arguments
*
* @return array
* @throws elFinderAbortException
* @author David Bartle
*/
protected function chmod($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;
}
/**
* Check chunked upload files
*
* @param string $tmpname uploaded temporary file path
* @param string $chunk uploaded chunk file name
* @param string $cid uploaded chunked file id
* @param string $tempDir temporary dirctroy path
* @param null $volume
*
* @return array|null
* @throws elFinderAbortException
* @author Naoki Sawada
*/
private function checkChunkedFile($tmpname, $chunk, $cid, $tempDir, $volume = null)
{
/* @var elFinderVolumeDriver $volume */
if (preg_match('/^(.+)(\.\d+_(\d+))\.part$/s', $chunk, $m)) {
$fname = $m[1];
$encname = md5($cid . '_' . $fname);
$base = $tempDir . DIRECTORY_SEPARATOR . 'ELF' . $encname;
$clast = intval($m[3]);
if (is_null($tmpname)) {
ignore_user_abort(true);
// chunked file upload fail
foreach (glob($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) {
// check upload max size
$uploadMaxSize = $volume ? $volume->getUploadMaxSize() : 0;
if ($uploadMaxSize > 0 && $size > $uploadMaxSize) {
return array(self::ERROR_UPLOAD_FILE_SIZE, false);
}
// make temp file
$ok = false;
if ($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 {
// wait until makeing temp file (for anothor session)
$cnt = 1200; // Time limit 120 sec
while (!is_file($base) && --$cnt) {
usleep(100000); // wait 100ms
}
if (!$cnt) {
return array(self::ERROR_UPLOAD_TEMP, false);
}
}
// check size info
if ($len != $csize || $start + $len > $size || ($tmpExists && $size != filesize($tmp))) {
return array(self::ERROR_UPLOAD_TEMP, false);
}
// write chunk data
$src = fopen($tmpname, 'rb');
$fp = fopen($tmp, 'cb');
fseek($fp, $start);
$writelen = stream_copy_to_stream($src, $fp, $len);
fclose($fp);
fclose($src);
try {
// to check connection is aborted
elFinder::checkAborted();
} catch (elFinderAbortException $e) {
unlink($tmpname);
is_file($tmp) && unlink($tmp);
is_file($base) && unlink($base);
throw $e;
}
if ($writelen != $len) {
return array(self::ERROR_UPLOAD_TEMP, false);
}
// write counts
file_put_contents($base, "\0", FILE_APPEND | LOCK_EX);
if (filesize($base) >= $clast + 1) {
// Completion
unlink($base);
return array($tmp, $fname);
}
} else {
// old way
$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('', '');
}
/**
* Save uploaded files
*
* @param array
*
* @return array
* @throws elFinderAbortException
* @author Dmitry (dio) Levashov
*/
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);
}
// check $chunk
if (strpos($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);
// file extentions table by MIME
$extTable = array_flip(array_unique($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 => $url) {
// check chunked file upload commit
if ($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;
$_name = '';
// check is data:
if (substr($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)) {
// to check connection is aborted
try {
elFinder::checkAborted();
} catch(elFinderAbortException $e) {
fclose($fp);
throw $e;
}
if (strpos($url, '%') !== false) {
$url = rawurldecode($url);
}
if (is_callable('mb_convert_encoding') && is_callable('mb_detect_encoding')) {
$url = mb_convert_encoding($url, 'UTF-8', mb_detect_encoding($url));
}
$url = iconv('UTF-8', 'UTF-8//IGNORE', $url);
$_name = preg_replace('~^.*?([^/#?]+)(?:\?.*)?(?:#.*)?$~', '$1', $url);
// Check `Content-Disposition` response header
if (($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]);
}
}
} else {
fclose($fp);
}
}
if ($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;
// set to auto rename
$volume->setUploadOverwrite(false);
} else {
unlink($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 {
// for form clipboard with Google Chrome or Opera
$name = 'image.png';
}
}
// Set name if name eq 'image.png' and $args has 'name' array, e.g. clipboard data
if (strtolower(substr($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;
}
// do hook function 'upload.presave'
try {
$this->trigger('upload.presave', array(&$thash, &$name, $tmpname, $this, $volume), $errors);
} catch (elFinderTriggerException $e) {
if (!is_uploaded_file($tmpname) && unlink($tmpname) && $tmpfname) {
unset($GLOBALS['elFinderTempFiles'][$tmpfname]);
}
continue;
}
clearstatcache();
if ($mtime && is_file($tmpname)) {
// for keep timestamp option in the LocalFileSystem volume
touch($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;
// to support multi-level directory creation
$_phash = isset($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 = $target;
// file rename for backup
if (isset($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) && is_writable($_temp) && unlink($_temp);
}
}
$result['removed'] = $volume->removed();
if (!empty($args['node'])) {
$result['callback'] = array(
'node' => $args['node'],
'bind' => 'upload'
);
}
return $result;
}
/**
* Copy/move files into new destination
*
* @param array command arguments
*
* @return array
* @throws elFinderAbortException
* @author Dmitry (dio) Levashov
*/
protected function paste($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);
$dstName = $file['name'];
if ($srcVolume !== $dstVolume) {
$errors = array();
try {
$this->trigger('paste.copyfrom', array(&$dst, &$dstName, '', $this, $dstVolume), $errors);
} catch (elFinderTriggerException $e) {
$result['warning'] = array_merge($result['warning'], $errors);
continue;
}
}
if (isset($hashes[$file['name']])) {
$hash = $hashes[$file['name']];
} else {
$hash = $dstVolume->getHash($dir, $dstName);
}
$rnres = $this->rename(array('target' => $hash, 'name' => $dstVolume->uniqueName($dir, $dstName, $suffix, true, 0)));
if (!empty($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;
}
/**
* Return file content
*
* @param array $args command arguments
*
* @return array
* @author Dmitry (dio) Levashov
**/
protected function get($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, '#' . $target, self::ERROR_FILE_NOT_FOUND));
}
if ($volume->commandDisabled('get')) {
return array('error' => $this->error(self::ERROR_OPEN, '#' . $target, self::ERROR_ACCESS_DENIED));
}
if (($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'] || $args['conv'] == '1') {
// detect encoding
if (function_exists('mb_detect_encoding')) {
if ($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') {
$enc = 'unknown';
}
}
// call callbacks 'get.detectencoding'
if (!empty($this->listeners['get.detectencoding'])) {
foreach ($this->listeners['get.detectencoding'] as $handler) {
call_user_func_array($handler, array('get', &$enc, array_merge($args, array('content' => $content)), $this, $volume));
}
}
if ($enc && $enc !== 'unknown') {
$errlev = error_reporting();
error_reporting($errlev ^ E_NOTICE);
$utf8 = iconv($enc, 'UTF-8', $content);
if ($utf8 === false && function_exists('mb_convert_encoding')) {
error_reporting($errlev ^ E_WARNING);
$utf8 = mb_convert_encoding($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) {
$enc = 'unknown';
}
}
error_reporting($errlev);
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;
$errlev = error_reporting();
$this->setToastErrorHandler(array(
'prefix' => 'Notice: '
));
error_reporting($errlev | E_NOTICE | E_WARNING);
$content = iconv($enc, 'UTF-8//TRANSLIT', $content);
if ($content === false && function_exists('mb_convert_encoding')) {
$content = mb_convert_encoding($_content, 'UTF-8', $enc);
}
error_reporting($errlev);
$this->setToastErrorHandler(false);
} 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('doconv' => 'unknown');
}
}
$res = array(
'header' => array(
'Content-Type: application/json'
),
'content' => $content
);
// add cache control headers
if ($cacheHeaders = $volume->getOption('cacheHeaders')) {
$res['header'] = array_merge($res['header'], $cacheHeaders);
}
if ($enc) {
$res['encoding'] = $enc;
}
return $res;
}
/**
* Save content into text file
*
* @param $args
*
* @return array
* @author Dmitry (dio) Levashov
*/
protected function put($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'])) {
/** @var resource $fp */
$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));
}
/**
* Extract files from archive
*
* @param array $args command arguments
*
* @return array
* @author Dmitry (dio) Levashov,
* @author Alexey Sukhotin
**/
protected function extract($args)
{
$target = $args['target'];
$makedir = isset($args['makedir']) ? (bool)$args['makedir'] : null;
if(strpos($target,'..') !== false){
return array('error' => $this->error(self::ERROR_EXTRACT, '#' . $target, self::ERROR_FILE_NOT_FOUND));
}
if (($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;
}
/**
* Create archive
*
* @param array $args command arguments
*
* @return array
* @throws Exception
* @author Dmitry (dio) Levashov,
* @author Alexey Sukhotin
*/
protected function archive($args)
{
$targets = isset($args['targets']) && is_array($args['targets']) ? $args['targets'] : array();
$name = isset($args['name']) ? $args['name'] : '';
if(strpos($name,'..') !== false){
return $this->error('Invalid Request.', self::ERROR_TRGDIR_NOT_FOUND);
}
$targets = array_filter($targets, array($this, 'volume'));
if (!$targets || ($volume = $this->volume($targets[0])) === false) {
return $this->error(self::ERROR_ARCHIVE, self::ERROR_TRGDIR_NOT_FOUND);
}
foreach ($targets as $target) {
$explodedStr = explode('l1_', $target);
$targetFolderName = base64_decode($explodedStr[1]);
if(strpos($targetFolderName,'..') !== false){
return $this->error('Invalid Request.', self::ERROR_TRGDIR_NOT_FOUND);
}
$this->itemLock($target);
}
return ($file = $volume->archive($targets, $args['type'], $name))
? array('added' => array($file))
: array('error' => $this->error(self::ERROR_ARCHIVE, $volume->error()));
}
/**
* Search files
*
* @param array $args command arguments
*
* @return array
* @throws elFinderAbortException
* @author Dmitry Levashov
*/
protected function search($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;
}
/**
* Return file info (used by client "places" ui)
*
* @param array $args command arguments
*
* @return array
* @throws elFinderAbortException
* @author Dmitry Levashov
*/
protected function info($args)
{
$files = array();
$compare = null;
// long polling mode
if ($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;
}
/**
* Return image dimensions
*
* @param array $args command arguments
*
* @return array
* @throws ImagickException
* @throws elFinderAbortException
* @author Dmitry (dio) Levashov
*/
protected function dim($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 $res;
}
/**
* Resize image
*
* @param array command arguments
*
* @return array
* @throws ImagickException
* @throws elFinderAbortException
* @author Dmitry (dio) Levashov
* @author Alexey Sukhotin
*/
protected function resize($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()));
}
/**
* Return content URL
*
* @param array $args command arguments
*
* @return array
* @author Naoki Sawada
**/
protected function url($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' => $url) : array();
}
}
return array();
}
/**
* Output callback result with JavaScript that control elFinder
* or HTTP redirect to callbackWindowURL
*
* @param array command arguments
*
* @throws elFinderAbortException
* @author Naoki Sawada
*/
protected function callback($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 = '';
}
$origin = isset($_SERVER['HTTP_ORIGIN'])? str_replace('\'', '\\\'', $_SERVER['HTTP_ORIGIN']) : '*';
$script .= '
var go = function() {
var w = window.opener || window.parent || window,
close = function(){
window.open("about:blank","_self").close();
return false;
};
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 . '}), \'' . $origin . '\');
}
close();
setTimeout(function() {
var msg = document.getElementById(\'msg\');
msg.style.display = \'inline\';
msg.onclick = close;
}, 100);
};
';
}
$out = '<!DOCTYPE html><html lang="en"><head><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=2"><script>' . $script . '</script></head><body><h2 id="msg" style="display:none;"><a href="#">Please close this tab.</a></h2><script>go();</script></body></html>';
header('Content-Type: text/html; charset=utf-8');
header('Content-Length: ' . strlen($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();
}
/**
* Error handler for send toast message to client side
*
* @param int $errno
* @param string $errstr
* @param string $errfile
* @param int $errline
*
* @return boolean
*/
protected function toastErrorHandler($errno, $errstr, $errfile, $errline)
{
$proc = false;
if (!(error_reporting() & $errno)) {
return $proc;
}
$toast = array();
$toast['mode'] = $this->toastParams['mode'];
$toast['msg'] = $this->toastParams['prefix'] . $errstr;
$this->toastMessages[] = $toast;
return true;
}
/**
* PHP error handler, catch error types only E_WARNING | E_NOTICE | E_USER_WARNING | E_USER_NOTICE
*
* @param int $errno
* @param string $errstr
* @param string $errfile
* @param int $errline
*
* @return boolean
*/
public static function phpErrorHandler($errno, $errstr, $errfile, $errline)
{
static $base = null;
$proc = false;
if (is_null($base)) {
$base = dirname(__FILE__) . DIRECTORY_SEPARATOR;
}
if (!(error_reporting() & $errno)) {
return $proc;
}
// Do not report real path
if (strpos($errfile, $base) === 0) {
$errfile = str_replace($base, '', $errfile);
} else if ($pos = strrpos($errfile, '/vendor/')) {
$errfile = substr($errfile, $pos + 1);
} else {
$errfile = basename($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 $proc;
}
/***************************************************************************/
/* utils */
/***************************************************************************/
/**
* Return root - file's owner
*
* @param string file hash
*
* @return elFinderVolumeDriver|boolean (false)
* @author Dmitry (dio) Levashov
**/
protected function volume($hash)
{
foreach ($this->volumes as $id => $v) {
if (strpos('' . $hash, $id) === 0) {
return $this->volumes[$id];
}
}
return false;
}
/**
* Return files info array
*
* @param array $data one file info or files info
*
* @return array
* @author Dmitry (dio) Levashov
**/
protected function toArray($data)
{
return isset($data['hash']) || !is_array($data) ? array($data) : $data;
}
/**
* Return fils hashes list
*
* @param array $files files info
*
* @return array
* @author Dmitry (dio) Levashov
**/
protected function hashes($files)
{
$ret = array();
foreach ($files as $file) {
$ret[] = $file['hash'];
}
return $ret;
}
/**
* Remove from files list hidden files and files with required mime types
*
* @param array $files files info
*
* @return array
* @author Dmitry (dio) Levashov
**/
protected function filter($files)
{
$exists = array();
foreach ($files as $i => $file) {
if (isset($file['hash'])) {
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];
}
/**
* Return Network mount volume unique ID
*
* @param array $netVolumes Saved netvolumes array
* @param string $prefix Id prefix
*
* @return string|false
* @author Naoki Sawada
**/
protected function getNetVolumeUniqueId($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;
}
/**
* Is item locked?
*
* @param string $hash
*
* @return boolean
*/
protected function itemLocked($hash)
{
if (!elFinder::$commonTempPath) {
return false;
}
$lock = elFinder::$commonTempPath . DIRECTORY_SEPARATOR . self::filenameDecontaminate($hash) . '.lock';
if (file_exists($lock)) {
if (filemtime($lock) + $this->itemLockExpire < time()) {
unlink($lock);
return false;
}
return true;
}
return false;
}
/**
* Do lock target item
*
* @param array|string $hashes
* @param boolean $autoUnlock
*
* @return void
*/
protected function itemLock($hashes, $autoUnlock = true)
{
if (!elFinder::$commonTempPath) {
return;
}
if (!is_array($hashes)) {
$hashes = array($hashes);
}
foreach ($hashes as $hash) {
$lock = elFinder::$commonTempPath . DIRECTORY_SEPARATOR . self::filenameDecontaminate($hash) . '.lock';
if ($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;
}
}
}
}
/**
* Do unlock target item
*
* @param string $hash
*
* @return boolean
*/
protected function itemUnlock($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, $cnt, LOCK_EX);
return false;
}
}
/**
* unlock locked items on command completion
*
* @return void
*/
public function itemAutoUnlock()
{
if ($this->autoUnlocks) {
foreach ($this->autoUnlocks as $hash) {
$this->itemUnlock($hash);
}
$this->autoUnlocks = array();
}
}
/**
* Ensure directories recursively
*
* @param object $volume Volume object
* @param string $target Target hash
* @param array $dirs Array of directory tree to ensure
* @param string $path Relative path form target hash
*
* @return array|false array('stats' => array([stat of maked directory]), 'hashes' => array('[path]' => '[hash]'), 'makes' => array([New directory hashes]), 'error' => array([Error name]))
* @author Naoki Sawada
**/
protected function ensureDirsRecursively($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;
}
/**
* Sets the toast error handler.
*
* @param array $opts The options
*/
public function setToastErrorHandler($opts)
{
$this->toastParams = $this->toastParamsDefault;
if (!$opts) {
restore_error_handler();
} else {
$this->toastParams = array_merge($this->toastParams, $opts);
set_error_handler(array($this, 'toastErrorHandler'));
}
}
/**
* String encode convert to UTF-8
*
* @param string $str Input string
*
* @return string UTF-8 string
*/
public function utf8Encode($str)
{
static $mbencode = null;
$str = (string) $str;
if (@iconv('utf-8', 'utf-8//IGNORE', $str) === $str) {
return $str;
}
if ($this->utf8Encoder) {
return $this->utf8Encoder($str);
}
if ($mbencode === null) {
$mbencode = function_exists('mb_convert_encoding') && function_exists('mb_detect_encoding');
}
if ($mbencode) {
if ($enc = mb_detect_encoding($str, mb_detect_order(), true)) {
$_str = mb_convert_encoding($str, 'UTF-8', $enc);
if (@iconv('utf-8', 'utf-8//IGNORE', $_str) === $_str) {
return $_str;
}
}
}
return utf8_encode($str);
}
/***************************************************************************/
/* static utils */
/***************************************************************************/
/**
* Return full version of API that this connector supports all functions
*
* @return string
*/
public static function getApiFullVersion()
{
return (string)self::$ApiVersion . '.' . (string)self::$ApiRevision;
}
/**
* Return self::$commonTempPath
*
* @return string The common temporary path.
*/
public static function getCommonTempPath()
{
return self::$commonTempPath;
}
/**
* Return Is Animation Gif
*
* @param string $path server local path of target image
*
* @return bool
*/
public static function isAnimationGif($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($c) != 0x39) { // GIF89a
return false;
}
while (!feof($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;
}
}
/**
* Return Is Animation Png
*
* @param string $path server local path of target image
*
* @return bool
*/
public static function isAnimationPng($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;
}
/**
* Return Is seekable stream resource
*
* @param resource $resource
*
* @return bool
*/
public static function isSeekableStream($resource)
{
$metadata = stream_get_meta_data($resource);
return $metadata['seekable'];
}
/**
* Rewind stream resource
*
* @param resource $resource
*
* @return void
*/
public static function rewind($resource)
{
self::isSeekableStream($resource) && rewind($resource);
}
/**
* Determines whether the specified resource is seekable url.
*
* @param <type> $resource The resource
*
* @return boolean True if the specified resource is seekable url, False otherwise.
*/
public static function isSeekableUrl($resource)
{
$id = (int)$resource;
if (isset(elFinder::$seekableUrlFps[$id])) {
return elFinder::$seekableUrlFps[$id];
}
return null;
}
/**
* serialize and base64_encode of session data (If needed)
*
* @deprecated
*
* @param mixed $var target variable
*
* @author Naoki Sawada
* @return mixed|string
*/
public static function sessionDataEncode($var)
{
if (self::$base64encodeSessionData) {
$var = base64_encode(serialize($var));
}
return $var;
}
/**
* base64_decode and unserialize of session data (If needed)
*
* @deprecated
*
* @param mixed $var target variable
* @param bool $checkIs data type for check (array|string|object|int)
*
* @author Naoki Sawada
* @return bool|mixed
*/
public static function sessionDataDecode(&$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;
}
/**
* Call session_write_close() if session is restarted
*
* @deprecated
* @return void
*/
public static function sessionWrite()
{
if (session_id()) {
session_write_close();
}
}
/**
* Return elFinder static variable
*
* @param $key
*
* @return mixed|null
*/
public static function getStaticVar($key)
{
return isset(elFinder::$$key) ? elFinder::$$key : null;
}
/**
* Extend PHP execution time limit and also check connection is aborted
*
* @param Int $time
*
* @return void
* @throws elFinderAbortException
*/
public static function extendTimeLimit($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();
}
}
/**
* Check connection is aborted
* Script stop immediately if connection aborted
*
* @return void
* @throws elFinderAbortException
*/
public static function checkAborted()
{
elFinder::extendTimeLimit();
}
/**
* Return bytes from php.ini value
*
* @param string $iniName
* @param string $val
*
* @return number
*/
public static function getIniBytes($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 = sprintf('%u', $val);
switch ($last) {
case 'y':
$val = elFinder::xKilobyte($val);
case 'z':
$val = elFinder::xKilobyte($val);
case 'e':
$val = elFinder::xKilobyte($val);
case 'p':
$val = elFinder::xKilobyte($val);
case 't':
$val = elFinder::xKilobyte($val);
case 'g':
$val = elFinder::xKilobyte($val);
case 'm':
$val = elFinder::xKilobyte($val);
case 'k':
$val = elFinder::xKilobyte($val);
}
return $val;
}
/**
* Return X 1KByte
*
* @param integer|string $val The value
*
* @return number
*/
public static function xKilobyte($val)
{
if (strpos((string)$val * 1024, 'E') !== false) {
if (strpos((string)$val * 1.024, 'E') === false) {
$val *= 1.024;
}
$val .= '000';
} else {
$val *= 1024;
}
return $val;
}
/**
* Get script url.
*
* @return string full URL
* @author Naoki Sawada
*/
public static function getConnectorUrl()
{
if (defined('ELFINDER_CONNECTOR_URL')) {
return ELFINDER_CONNECTOR_URL;
}
$https = (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off');
$url = ($https ? 'https://' : 'http://')
. $_SERVER['SERVER_NAME'] // host
. ((empty($_SERVER['SERVER_PORT']) || (!$https && $_SERVER['SERVER_PORT'] == 80) || ($https && $_SERVER['SERVER_PORT'] == 443)) ? '' : (':' . $_SERVER['SERVER_PORT'])) // port
. $_SERVER['REQUEST_URI']; // path & query
list($url) = explode('?', $url);
return $url;
}
/**
* Get stream resource pointer by URL
*
* @param array $data array('target'=>'URL', 'headers' => array())
* @param int $redirectLimit
*
* @return resource|boolean
* @author Naoki Sawada
*/
public static function getStreamByUrl($data, $redirectLimit = 5)
{
if (isset($data['target'])) {
$data = array(
'cnt' => 0,
'url' => $data['target'],
'headers' => isset($data['headers']) ? $data['headers'] : array(),
'postData' => isset($data['postData']) ? $data['postData'] : array(),
'cookies' => array(),
);
}
if ($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') ? 'ssl' : 'tcp';
$query = isset($url['query']) ? '?' . $url['query'] : '';
if (!($stream = stream_socket_client($transport . '://' . $url['host'] . ':' . $url['port']))) {
return false;
}
$body = '';
if (!empty($data['postData'])) {
$method = 'POST';
if (is_array($data['postData'])) {
$body = http_build_query($data['postData']);
} else {
$body = $data['postData'];
}
} else {
$method = 'GET';
}
$sends = array();
$sends[] = "$method {$url['path']}{$query} HTTP/1.1";
$sends[] = "Host: {$url['host']}";
foreach ($headers as $header) {
$sends[] = trim($header, "\r\n");
}
$sends[] = 'Connection: Close';
if ($cookies) {
$sends[] = 'Cookie: ' . implode('; ', $cookies);
}
if ($method === 'POST') {
$sends[] = 'Content-Type: application/x-www-form-urlencoded';
$sends[] = 'Content-Length: ' . strlen($body);
}
$sends[] = "\r\n" . $body;
stream_set_timeout($stream, 300);
fputs($stream, join("\r\n", $sends) . "\r\n");
while (($res = trim(fgets($stream))) !== '') {
// find redirect
if (preg_match('/^Location: (.+)$/i', $res, $m)) {
$data['url'] = $m[1];
}
// fetch cookie
if (strpos($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];
}
}
}
// is seekable url
if (preg_match('/^(Accept-Ranges|Content-Range): bytes/i', $res)) {
elFinder::$seekableUrlFps[(int)$stream] = true;
}
}
if ($data['url']) {
++$data['cnt'];
fclose($stream);
return self::getStreamByUrl($data, $redirectLimit);
}
return $stream;
}
return false;
}
/**
* Gets the fetch cookie file for curl.
*
* @return string The fetch cookie file.
*/
public function getFetchCookieFile()
{
$file = '';
if ($tmpDir = $this->getTempDir()) {
$file = $tmpDir . '/.elFinderAnonymousCookie';
}
return $file;
}
/**
* Call curl_exec() with supported redirect on `safe_mode` or `open_basedir`
*
* @param resource $curl
* @param array $options
* @param array $headers
* @param array $postData
*
* @throws \Exception
* @return mixed
* @author Naoki Sawada
*/
public static function curlExec($curl, $options = array(), $headers = array(), $postData = 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, 'postData' => $postData))) {
$result = stream_get_contents($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 $result;
}
/**
* Return bool that current request was aborted by client side
*
* @return boolean
*/
public static function aborted()
{
if ($file = self::$abortCheckFile) {
(version_compare(PHP_VERSION, '5.3.0') >= 0) ? clearstatcache(true, $file) : clearstatcache();
if (!is_file($file)) {
// GC (expire 12h)
list($ptn) = explode('elfreq', $file);
self::GlobGC($ptn . 'elfreq*', 43200);
return true;
}
}
return false;
}
/**
* Return array ["name without extention", "extention"] by filename
*
* @param string $name
*
* @return array
*/
public static function splitFileExtention($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, '');
}
}
/**
* Gets the memory size by imageinfo.
*
* @param array $imgInfo array that result of getimagesize()
*
* @return integer The memory size by imageinfo.
*/
public static function getMemorySizeByImageInfo($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);
}
/**
* Auto expand memory for GD processing
*
* @param array $imgInfos The image infos
*/
public static function expandMemoryForGD($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);
}
}
}
/**
* Decontaminate of filename
*
* @param String $name The name
*
* @return String Decontaminated filename
*/
public static function filenameDecontaminate($name)
{
// Directory traversal defense
if (DIRECTORY_SEPARATOR === '\\') {
$name = str_replace('\\', '/', $name);
}
$parts = explode('/', trim($name, '/'));
$name = array_pop($parts);
return $name;
}
/**
* Execute shell command
*
* @param string $command command line
* @param string $output stdout strings
* @param int $return_var process exit code
* @param string $error_output stderr strings
* @param null $cwd cwd
*
* @return int exit code
* @throws elFinderAbortException
* @author Alexey Sukhotin
*/
public static function procExec($command, &$output = '', &$return_var = -1, &$error_output = '', $cwd = null)
{
static $allowed = null;
if ($allowed === null) {
if ($allowed = function_exists('proc_open')) {
if ($disabled = ini_get('disable_functions')) {
$funcs = array_map('trim', explode(',', $disabled));
$allowed = !in_array('proc_open', $funcs);
}
}
}
if (!$allowed) {
$return_var = -1;
return $return_var;
}
if (!$command) {
$return_var = 0;
return $return_var;
}
$descriptorspec = array(
0 => array("pipe", "r"), // stdin
1 => array("pipe", "w"), // stdout
2 => array("pipe", "w") // stderr
);
$process = proc_open($command, $descriptorspec, $pipes, $cwd, null);
if (is_resource($process)) {
stream_set_blocking($pipes[1], 0);
stream_set_blocking($pipes[2], 0);
fclose($pipes[0]);
$tmpout = '';
$tmperr = '';
while (feof($pipes[1]) === false || feof($pipes[2]) === false) {
elFinder::extendTimeLimit();
$read = array($pipes[1], $pipes[2]);
$write = null;
$except = null;
$ret = stream_select($read, $write, $except, 1);
if ($ret === false) {
// error
break;
} else if ($ret === 0) {
// timeout
continue;
} else {
foreach ($read as $sock) {
if ($sock === $pipes[1]) {
$tmpout .= fread($sock, 4096);
} else if ($sock === $pipes[2]) {
$tmperr .= fread($sock, 4096);
}
}
}
}
fclose($pipes[1]);
fclose($pipes[2]);
$output = $tmpout;
$error_output = $tmperr;
$return_var = proc_close($process);
} else {
$return_var = -1;
}
return $return_var;
}
/***************************************************************************/
/* callbacks */
/***************************************************************************/
/**
* Get command name of binded "commandName.subName"
*
* @param string $cmd
*
* @return string
*/
protected static function getCmdOfBind($cmd)
{
list($ret) = explode('.', $cmd);
return trim($ret);
}
/**
* Add subName to commandName
*
* @param string $cmd
* @param string $sub
*
* @return string
*/
protected static function addSubToBindName($cmd, $sub)
{
return $cmd . '.' . trim($sub);
}
/**
* Remove a file if connection is disconnected
*
* @param string $file
*/
public static function rmFileInDisconnected($file)
{
(connection_aborted() || connection_status() !== CONNECTION_NORMAL) && is_file($file) && unlink($file);
}
/**
* Call back function on shutdown
* - delete files in $GLOBALS['elFinderTempFiles']
*/
public static function onShutdown()
{
self::$abortCheckFile = null;
if (!empty($GLOBALS['elFinderTempFps'])) {
foreach (array_keys($GLOBALS['elFinderTempFps']) as $fp) {
is_resource($fp) && fclose($fp);
}
}
if (!empty($GLOBALS['elFinderTempFiles'])) {
foreach (array_keys($GLOBALS['elFinderTempFiles']) as $f) {
is_file($f) && is_writable($f) && unlink($f);
}
}
}
/**
* Garbage collection with glob
*
* @param string $pattern
* @param integer $time
*/
public static function GlobGC($pattern, $time)
{
$now = time();
foreach (glob($pattern) as $file) {
(filemtime($file) < ($now - $time)) && unlink($file);
}
}
} // END class
/**
* Custom exception class for aborting request
*/
class elFinderAbortException extends Exception
{
}
class elFinderTriggerException extends Exception
{
}