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<?php
/**
* @version $Id: ftp.php 14401 2010-01-26 14:10:00Z louis $
* @package Joomla.Framework
* @subpackage Client
* @copyright Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
* @license GNU/GPL, see LICENSE.php
* Joomla! is free software and parts of it may contain or be derived from the
* GNU General Public License or other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
// Check to ensure this file is within the rest of the framework
defined('JPATH_BASE') or die();
/** Error Codes:
* - 30 : Unable to connect to host
* - 31 : Not connected
* - 32 : Unable to send command to server
* - 33 : Bad username
* - 34 : Bad password
* - 35 : Bad response
* - 36 : Passive mode failed
* - 37 : Data transfer error
* - 38 : Local filesystem error
*/
if (!defined('CRLF')) {
define('CRLF', "\r\n");
}
if (!defined("FTP_AUTOASCII")) {
define("FTP_AUTOASCII", -1);
}
if (!defined("FTP_BINARY")) {
define("FTP_BINARY", 1);
}
if (!defined("FTP_ASCII")) {
define("FTP_ASCII", 0);
}
// Is FTP extension loaded? If not try to load it
if (!extension_loaded('ftp')) {
if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
@ dl('php_ftp.dll');
} else {
@ dl('ftp.so');
}
}
if (!defined('FTP_NATIVE')) {
define('FTP_NATIVE', (function_exists('ftp_connect'))? 1 : 0);
}
/**
* FTP client class
*
* @package Joomla.Framework
* @subpackage Client
* @since 1.5
*/
class JFTP extends JObject
{
/**
* Server connection resource
*
* @access private
* @var socket resource
*/
var $_conn = null;
/**
* Data port connection resource
*
* @access private
* @var socket resource
*/
var $_dataconn = null;
/**
* Passive connection information
*
* @access private
* @var array
*/
var $_pasv = null;
/**
* Response Message
*
* @access private
* @var string
*/
var $_response = null;
/**
* Timeout limit
*
* @access private
* @var int
*/
var $_timeout = 15;
/**
* Transfer Type
*
* @access private
* @var int
*/
var $_type = null;
/**
* Native OS Type
*
* @access private
* @var string
*/
var $_OS = null;
/**
* Array to hold ascii format file extensions
*
* @final
* @access private
* @var array
*/
var $_autoAscii = array ("asp", "bat", "c", "cpp", "csv", "h", "htm", "html", "shtml", "ini", "inc", "log", "php", "php3", "pl", "perl", "sh", "sql", "txt", "xhtml", "xml");
/**
* Array to hold native line ending characters
*
* @final
* @access private
* @var array
*/
var $_lineEndings = array ('UNIX' => "\n", 'MAC' => "\r", 'WIN' => "\r\n");
/**
* JFTP object constructor
*
* @access protected
* @param array $options Associative array of options to set
* @since 1.5
*/
function __construct($options=array()) {
// If default transfer type is no set, set it to autoascii detect
if (!isset ($options['type'])) {
$options['type'] = FTP_BINARY;
}
$this->setOptions($options);
if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
$this->_OS = 'WIN';
} elseif (strtoupper(substr(PHP_OS, 0, 3)) === 'MAC') {
$this->_OS = 'MAC';
} else {
$this->_OS = 'UNIX';
}
if (FTP_NATIVE) {
// Import the generic buffer stream handler
jimport('joomla.utilities.buffer');
// Autoloading fails for JBuffer as the class is used as a stream handler
JLoader::load('JBuffer');
}
// Register faked "destructor" in PHP4 to close all connections we might have made
if (version_compare(PHP_VERSION, '5') == -1) {
register_shutdown_function(array(&$this, '__destruct'));
}
}
/**
* JFTP object destructor
*
* Closes an existing connection, if we have one
*
* @access protected
* @since 1.5
*/
function __destruct() {
if (is_resource($this->_conn)) {
$this->quit();
}
}
/**
* Returns a reference to the global FTP connector object, only creating it
* if it doesn't already exist.
*
* This method must be invoked as:
* <pre> $ftp = &JFTP::getInstance($host);</pre>
*
* You may optionally specify a username and password in the parameters. If you do so,
* you may not login() again with different credentials using the same object.
* If you do not use this option, you must quit() the current connection when you
* are done, to free it for use by others.
*
* @param string $host Host to connect to
* @param string $port Port to connect to
* @param array $options Array with any of these options: type=>[FTP_AUTOASCII|FTP_ASCII|FTP_BINARY], timeout=>(int)
* @param string $user Username to use for a connection
* @param string $pass Password to use for a connection
* @return JFTP The FTP Client object.
* @since 1.5
*/
function &getInstance($host = '127.0.0.1', $port = '21', $options = null, $user = null, $pass = null)
{
static $instances = array();
$signature = $user.':'.$pass.'@'.$host.":".$port;
// Create a new instance, or set the options of an existing one
if (!isset ($instances[$signature]) || !is_object($instances[$signature])) {
$instances[$signature] = new JFTP($options);
} else {
$instances[$signature]->setOptions($options);
}
// Connect to the server, and login, if requested
if (!$instances[$signature]->isConnected()) {
$return = $instances[$signature]->connect($host, $port);
if ($return && $user !== null && $pass !== null) {
$instances[$signature]->login($user, $pass);
}
}
return $instances[$signature];
}
/**
* Set client options
*
* @access public
* @param array $options Associative array of options to set
* @return boolean True if successful
*/
function setOptions($options) {
if (isset ($options['type'])) {
$this->_type = $options['type'];
}
if (isset ($options['timeout'])) {
$this->_timeout = $options['timeout'];
}
return true;
}
/**
* Method to connect to a FTP server
*
* @access public
* @param string $host Host to connect to [Default: 127.0.0.1]
* @param string $port Port to connect on [Default: port 21]
* @return boolean True if successful
*/
function connect($host = '127.0.0.1', $port = 21) {
// Initialize variables
$errno = null;
$err = null;
// If already connected, return
if (is_resource($this->_conn)) {
return true;
}
// If native FTP support is enabled lets use it...
if (FTP_NATIVE) {
$this->_conn = @ftp_connect($host, $port, $this->_timeout);
if ($this->_conn === false) {
JError::raiseWarning('30', 'JFTP::connect: Could not connect to host "'.$host.'" on port '.$port);
return false;
}
// Set the timeout for this connection
ftp_set_option($this->_conn, FTP_TIMEOUT_SEC, $this->_timeout);
return true;
}
// Connect to the FTP server.
$this->_conn = @ fsockopen($host, $port, $errno, $err, $this->_timeout);
if (!$this->_conn) {
JError::raiseWarning('30', 'JFTP::connect: Could not connect to host "'.$host.'" on port '.$port, 'Socket error number '.$errno.' and error message: '.$err);
return false;
}
// Set the timeout for this connection
socket_set_timeout($this->_conn, $this->_timeout);
// Check for welcome response code
if (!$this->_verifyResponse(220)) {
JError::raiseWarning('35', 'JFTP::connect: Bad response', 'Server response: '.$this->_response.' [Expected: 220]');
return false;
}
return true;
}
/**
* Method to determine if the object is connected to an FTP server
*
* @access public
* @return boolean True if connected
* @since 1.5
*/
function isConnected()
{
return is_resource($this->_conn);
}
/**
* Method to login to a server once connected
*
* @access public
* @param string $user Username to login to the server
* @param string $pass Password to login to the server
* @return boolean True if successful
*/
function login($user = 'anonymous', $pass = 'jftp@joomla.org') {
// If native FTP support is enabled lets use it...
if (FTP_NATIVE) {
if (@ftp_login($this->_conn, $user, $pass) === false) {
JError::raiseWarning('30', 'JFTP::login: Unable to login' );
return false;
}
return true;
}
// Send the username
if (!$this->_putCmd('USER '.$user, array(331, 503))) {
JError::raiseWarning('33', 'JFTP::login: Bad Username', 'Server response: '.$this->_response.' [Expected: 331] Username sent: '.$user );
return false;
}
// If we are already logged in, continue :)
if ($this->_responseCode == 503) {
return true;
}
// Send the password
if (!$this->_putCmd('PASS '.$pass, 230)) {
JError::raiseWarning('34', 'JFTP::login: Bad Password', 'Server response: '.$this->_response.' [Expected: 230] Password sent: '.str_repeat('*', strlen($pass)));
return false;
}
return true;
}
/**
* Method to quit and close the connection
*
* @access public
* @return boolean True if successful
*/
function quit() {
// If native FTP support is enabled lets use it...
if (FTP_NATIVE) {
@ftp_close($this->_conn);
return true;
}
// Logout and close connection
@fwrite($this->_conn, "QUIT\r\n");
@fclose($this->_conn);
return true;
}
/**
* Method to retrieve the current working directory on the FTP server
*
* @access public
* @return string Current working directory
*/
function pwd() {
// If native FTP support is enabled lets use it...
if (FTP_NATIVE) {
if (($ret = @ftp_pwd($this->_conn)) === false) {
JError::raiseWarning('35', 'JFTP::pwd: Bad response' );
return false;
}
return $ret;
}
// Initialize variables
$match = array (null);
// Send print working directory command and verify success
if (!$this->_putCmd('PWD', 257)) {
JError::raiseWarning('35', 'JFTP::pwd: Bad response', 'Server response: '.$this->_response.' [Expected: 257]' );
return false;
}
// Match just the path
preg_match('/"[^"\r\n]*"/', $this->_response, $match);
// Return the cleaned path
return preg_replace("/\"/", "", $match[0]);
}
/**
* Method to system string from the FTP server
*
* @access public
* @return string System identifier string
*/
function syst() {
// If native FTP support is enabled lets use it...
if (FTP_NATIVE) {
if (($ret = @ftp_systype($this->_conn)) === false) {
JError::raiseWarning('35', 'JFTP::syst: Bad response' );
return false;
}
} else {
// Send print working directory command and verify success
if (!$this->_putCmd('SYST', 215)) {
JError::raiseWarning('35', 'JFTP::syst: Bad response', 'Server response: '.$this->_response.' [Expected: 215]' );
return false;
}
$ret = $this->_response;
}
// Match the system string to an OS
if (strpos(strtoupper($ret), 'MAC') !== false) {
$ret = 'MAC';
} elseif (strpos(strtoupper($ret), 'WIN') !== false) {
$ret = 'WIN';
} else {
$ret = 'UNIX';
}
// Return the os type
return $ret;
}
/**
* Method to change the current working directory on the FTP server
*
* @access public
* @param string $path Path to change into on the server
* @return boolean True if successful
*/
function chdir($path) {
// If native FTP support is enabled lets use it...
if (FTP_NATIVE) {
if (@ftp_chdir($this->_conn, $path) === false) {
JError::raiseWarning('35', 'JFTP::chdir: Bad response' );
return false;
}
return true;
}
// Send change directory command and verify success
if (!$this->_putCmd('CWD '.$path, 250)) {
JError::raiseWarning('35', 'JFTP::chdir: Bad response', 'Server response: '.$this->_response.' [Expected: 250] Path sent: '.$path );
return false;
}
return true;
}
/**
* Method to reinitialize the server, ie. need to login again
*
* NOTE: This command not available on all servers
*
* @access public
* @return boolean True if successful
*/
function reinit() {
// If native FTP support is enabled lets use it...
if (FTP_NATIVE) {
if (@ftp_site($this->_conn, 'REIN') === false) {
JError::raiseWarning('35', 'JFTP::reinit: Bad response' );
return false;
}
return true;
}
// Send reinitialize command to the server
if (!$this->_putCmd('REIN', 220)) {
JError::raiseWarning('35', 'JFTP::reinit: Bad response', 'Server response: '.$this->_response.' [Expected: 220]' );
return false;
}
return true;
}
/**
* Method to rename a file/folder on the FTP server
*
* @access public
* @param string $from Path to change file/folder from
* @param string $to Path to change file/folder to
* @return boolean True if successful
*/
function rename($from, $to) {
// If native FTP support is enabled lets use it...
if (FTP_NATIVE) {
if (@ftp_rename($this->_conn, $from, $to) === false) {
JError::raiseWarning('35', 'JFTP::rename: Bad response' );
return false;
}
return true;
}
// Send rename from command to the server
if (!$this->_putCmd('RNFR '.$from, 350)) {
JError::raiseWarning('35', 'JFTP::rename: Bad response', 'Server response: '.$this->_response.' [Expected: 320] From path sent: '.$from );
return false;
}
// Send rename to command to the server
if (!$this->_putCmd('RNTO '.$to, 250)) {
JError::raiseWarning('35', 'JFTP::rename: Bad response', 'Server response: '.$this->_response.' [Expected: 250] To path sent: '.$to );
return false;
}
return true;
}
/**
* Method to change mode for a path on the FTP server
*
* @access public
* @param string $path Path to change mode on
* @param string/int $mode Octal value to change mode to, e.g. '0777', 0777 or 511
* @return boolean True if successful
*/
function chmod($path, $mode) {
// If no filename is given, we assume the current directory is the target
if ($path == '') {
$path = '.';
}
// Convert the mode to a string
if (is_int($mode)) {
$mode = decoct($mode);
}
// If native FTP support is enabled lets use it...
if (FTP_NATIVE) {
if (@ftp_site($this->_conn, 'CHMOD '.$mode.' '.$path) === false) {
if($this->_OS != 'WIN') {
JError::raiseWarning('35', 'JFTP::chmod: Bad response' );
}
return false;
}
return true;
}
// Send change mode command and verify success [must convert mode from octal]
if (!$this->_putCmd('SITE CHMOD '.$mode.' '.$path, array(200, 250))) {
if($this->_OS != 'WIN') {
JError::raiseWarning('35', 'JFTP::chmod: Bad response', 'Server response: '.$this->_response.' [Expected: 200 or 250] Path sent: '.$path.' Mode sent: '.$mode);
}
return false;
}
return true;
}
/**
* Method to delete a path [file/folder] on the FTP server
*
* @access public
* @param string $path Path to delete
* @return boolean True if successful
*/
function delete($path) {
// If native FTP support is enabled lets use it...
if (FTP_NATIVE) {
if (@ftp_delete($this->_conn, $path) === false) {
if (@ftp_rmdir($this->_conn, $path) === false) {
JError::raiseWarning('35', 'JFTP::delete: Bad response' );
return false;
}
}
return true;
}
// Send delete file command and if that doesn't work, try to remove a directory
if (!$this->_putCmd('DELE '.$path, 250)) {
if (!$this->_putCmd('RMD '.$path, 250)) {
JError::raiseWarning('35', 'JFTP::delete: Bad response', 'Server response: '.$this->_response.' [Expected: 250] Path sent: '.$path );
return false;
}
}
return true;
}
/**
* Method to create a directory on the FTP server
*
* @access public
* @param string $path Directory to create
* @return boolean True if successful
*/
function mkdir($path) {
// If native FTP support is enabled lets use it...
if (FTP_NATIVE) {
if (@ftp_mkdir($this->_conn, $path) === false) {
JError::raiseWarning('35', 'JFTP::mkdir: Bad response' );
return false;
}
return true;
}
// Send change directory command and verify success
if (!$this->_putCmd('MKD '.$path, 257)) {
JError::raiseWarning('35', 'JFTP::mkdir: Bad response', 'Server response: '.$this->_response.' [Expected: 257] Path sent: '.$path );
return false;
}
return true;
}
/**
* Method to restart data transfer at a given byte
*
* @access public
* @param int $point Byte to restart transfer at
* @return boolean True if successful
*/
function restart($point) {
// If native FTP support is enabled lets use it...
if (FTP_NATIVE) {
if (@ftp_site($this->_conn, 'REST '.$point) === false) {
JError::raiseWarning('35', 'JFTP::restart: Bad response' );
return false;
}
return true;
}
// Send restart command and verify success
if (!$this->_putCmd('REST '.$point, 350)) {
JError::raiseWarning('35', 'JFTP::restart: Bad response', 'Server response: '.$this->_response.' [Expected: 350] Restart point sent: '.$point );
return false;
}
return true;
}
/**
* Method to create an empty file on the FTP server
*
* @access public
* @param string $path Path local file to store on the FTP server
* @return boolean True if successful
*/
function create($path) {
// If native FTP support is enabled lets use it...
if (FTP_NATIVE) {
// turn passive mode on
if (@ftp_pasv($this->_conn, true) === false) {
JError::raiseWarning('36', 'JFTP::create: Unable to use passive mode' );
return false;
}
$buffer = fopen('buffer://tmp', 'r');
if (@ftp_fput($this->_conn, $path, $buffer, FTP_ASCII) === false) {
JError::raiseWarning('35', 'JFTP::create: Bad response' );
fclose($buffer);
return false;
}
fclose($buffer);
return true;
}
// Start passive mode
if (!$this->_passive()) {
JError::raiseWarning('36', 'JFTP::create: Unable to use passive mode' );
return false;
}
if (!$this->_putCmd('STOR '.$path, array (150, 125))) {
@ fclose($this->_dataconn);
JError::raiseWarning('35', 'JFTP::create: Bad response', 'Server response: '.$this->_response.' [Expected: 150 or 125] Path sent: '.$path );
return false;
}
// To create a zero byte upload close the data port connection
fclose($this->_dataconn);
if (!$this->_verifyResponse(226)) {
JError::raiseWarning('37', 'JFTP::create: Transfer Failed', 'Server response: '.$this->_response.' [Expected: 226] Path sent: '.$path );
return false;
}
return true;
}
/**
* Method to read a file from the FTP server's contents into a buffer
*
* @access public
* @param string $remote Path to remote file to read on the FTP server
* @param string $buffer Buffer variable to read file contents into
* @return boolean True if successful
*/
function read($remote, &$buffer) {
// Determine file type
$mode = $this->_findMode($remote);
// If native FTP support is enabled lets use it...
if (FTP_NATIVE) {
// turn passive mode on
if (@ftp_pasv($this->_conn, true) === false) {
JError::raiseWarning('36', 'JFTP::read: Unable to use passive mode' );
return false;
}
$tmp = fopen('buffer://tmp', 'br+');
if (@ftp_fget($this->_conn, $tmp, $remote, $mode) === false) {
fclose($tmp);
JError::raiseWarning('35', 'JFTP::read: Bad response' );
return false;
}
// Read tmp buffer contents
rewind($tmp);
$buffer = '';
while (!feof($tmp)) {
$buffer .= fread($tmp, 8192);
}
fclose($tmp);
return true;
}
$this->_mode($mode);
// Start passive mode
if (!$this->_passive()) {
JError::raiseWarning('36', 'JFTP::read: Unable to use passive mode' );
return false;
}
if (!$this->_putCmd('RETR '.$remote, array (150, 125))) {
@ fclose($this->_dataconn);
JError::raiseWarning('35', 'JFTP::read: Bad response', 'Server response: '.$this->_response.' [Expected: 150 or 125] Path sent: '.$remote );
return false;
}
// Read data from data port connection and add to the buffer
$buffer = '';
while (!feof($this->_dataconn)) {
$buffer .= fread($this->_dataconn, 4096);
}
// Close the data port connection
fclose($this->_dataconn);
// Let's try to cleanup some line endings if it is ascii
if ($mode == FTP_ASCII) {
$buffer = preg_replace("/".CRLF."/", $this->_lineEndings[$this->_OS], $buffer);
}
if (!$this->_verifyResponse(226)) {
JError::raiseWarning('37', 'JFTP::read: Transfer Failed', 'Server response: '.$this->_response.' [Expected: 226] Path sent: '.$remote );
return false;
}
return true;
}
/**
* Method to get a file from the FTP server and save it to a local file
*
* @access public
* @param string $local Path to local file to save remote file as
* @param string $remote Path to remote file to get on the FTP server
* @return boolean True if successful
*/
function get($local, $remote) {
// Determine file type
$mode = $this->_findMode($remote);
// If native FTP support is enabled lets use it...
if (FTP_NATIVE) {
// turn passive mode on
if (@ftp_pasv($this->_conn, true) === false) {
JError::raiseWarning('36', 'JFTP::get: Unable to use passive mode' );
return false;
}
if (@ftp_get($this->_conn, $local, $remote, $mode) === false) {
JError::raiseWarning('35', 'JFTP::get: Bad response' );
return false;
}
return true;
}
$this->_mode($mode);
// Check to see if the local file can be opened for writing
$fp = fopen($local, "wb");
if (!$fp) {
JError::raiseWarning('38', 'JFTP::get: Unable to open local file for writing', 'Local path: '.$local );
return false;
}
// Start passive mode
if (!$this->_passive()) {
JError::raiseWarning('36', 'JFTP::get: Unable to use passive mode' );
return false;
}
if (!$this->_putCmd('RETR '.$remote, array (150, 125))) {
@ fclose($this->_dataconn);
JError::raiseWarning('35', 'JFTP::get: Bad response', 'Server response: '.$this->_response.' [Expected: 150 or 125] Path sent: '.$remote );
return false;
}
// Read data from data port connection and add to the buffer
while (!feof($this->_dataconn)) {
$buffer = fread($this->_dataconn, 4096);
$ret = fwrite($fp, $buffer, 4096);
}
// Close the data port connection and file pointer
fclose($this->_dataconn);
fclose($fp);
if (!$this->_verifyResponse(226)) {
JError::raiseWarning('37', 'JFTP::get: Transfer Failed', 'Server response: '.$this->_response.' [Expected: 226] Path sent: '.$remote );
return false;
}
return true;
}
/**
* Method to store a file to the FTP server
*
* @access public
* @param string $local Path to local file to store on the FTP server
* @param string $remote FTP path to file to create
* @return boolean True if successful
*/
function store($local, $remote = null) {
// If remote file not given, use the filename of the local file in the current
// working directory
if ($remote == null) {
$remote = basename($local);
}
// Determine file type
$mode = $this->_findMode($remote);
// If native FTP support is enabled lets use it...
if (FTP_NATIVE) {
// turn passive mode on
if (@ftp_pasv($this->_conn, true) === false) {
JError::raiseWarning('36', 'JFTP::store: Unable to use passive mode' );
return false;
}
if (@ftp_put($this->_conn, $remote, $local, $mode) === false) {
JError::raiseWarning('35', 'JFTP::store: Bad response' );
return false;
}
return true;
}
$this->_mode($mode);
// Check to see if the local file exists and open for reading if so
if (@ file_exists($local)) {
$fp = fopen($local, "rb");
if (!$fp) {
JError::raiseWarning('38', 'JFTP::store: Unable to open local file for reading', 'Local path: '.$local );
return false;
}
} else {
JError::raiseWarning('38', 'JFTP::store: Unable to find local path', 'Local path: '.$local );
return false;
}
// Start passive mode
if (!$this->_passive()) {
@ fclose($fp);
JError::raiseWarning('36', 'JFTP::store: Unable to use passive mode' );
return false;
}
// Send store command to the FTP server
if (!$this->_putCmd('STOR '.$remote, array (150, 125))) {
@ fclose($fp);
@ fclose($this->_dataconn);
JError::raiseWarning('35', 'JFTP::store: Bad response', 'Server response: '.$this->_response.' [Expected: 150 or 125] Path sent: '.$remote );
return false;
}
// Do actual file transfer, read local file and write to data port connection
while (!feof($fp)) {
$line = fread($fp, 4096);
do {
if (($result = @ fwrite($this->_dataconn, $line)) === false) {
JError::raiseWarning('37', 'JFTP::store: Unable to write to data port socket' );
return false;
}
$line = substr($line, $result);
} while ($line != "");
}
fclose($fp);
fclose($this->_dataconn);
if (!$this->_verifyResponse(226)) {
JError::raiseWarning('37', 'JFTP::store: Transfer Failed', 'Server response: '.$this->_response.' [Expected: 226] Path sent: '.$remote );
return false;
}
return true;
}
/**
* Method to write a string to the FTP server
*
* @access public
* @param string $remote FTP path to file to write to
* @param string $buffer Contents to write to the FTP server
* @return boolean True if successful
*/
function write($remote, $buffer) {
// Determine file type
$mode = $this->_findMode($remote);
// If native FTP support is enabled lets use it...
if (FTP_NATIVE) {
// turn passive mode on
if (@ftp_pasv($this->_conn, true) === false) {
JError::raiseWarning('36', 'JFTP::write: Unable to use passive mode' );
return false;
}
$tmp = fopen('buffer://tmp', 'br+');
fwrite($tmp, $buffer);
rewind($tmp);
if (@ftp_fput($this->_conn, $remote, $tmp, $mode) === false) {
fclose($tmp);
JError::raiseWarning('35', 'JFTP::write: Bad response' );
return false;
}
fclose($tmp);
return true;
}
// First we need to set the transfer mode
$this->_mode($mode);
// Start passive mode
if (!$this->_passive()) {
JError::raiseWarning('36', 'JFTP::write: Unable to use passive mode' );
return false;
}
// Send store command to the FTP server
if (!$this->_putCmd('STOR '.$remote, array (150, 125))) {
JError::raiseWarning('35', 'JFTP::write: Bad response', 'Server response: '.$this->_response.' [Expected: 150 or 125] Path sent: '.$remote );
@ fclose($this->_dataconn);
return false;
}
// Write buffer to the data connection port
do {
if (($result = @ fwrite($this->_dataconn, $buffer)) === false) {
JError::raiseWarning('37', 'JFTP::write: Unable to write to data port socket' );
return false;
}
$buffer = substr($buffer, $result);
} while ($buffer != "");
// Close the data connection port [Data transfer complete]
fclose($this->_dataconn);
// Verify that the server recieved the transfer
if (!$this->_verifyResponse(226)) {
JError::raiseWarning('37', 'JFTP::write: Transfer Failed', 'Server response: '.$this->_response.' [Expected: 226] Path sent: '.$remote );
return false;
}
return true;
}
/**
* Method to list the filenames of the contents of a directory on the FTP server
*
* Note: Some servers also return folder names. However, to be sure to list folders on all
* servers, you should use listDetails() instead, if you also need to deal with folders
*
* @access public
* @param string $path Path local file to store on the FTP server
* @return string Directory listing
*/
function listNames($path = null) {
// Initialize variables
$data = null;
// If native FTP support is enabled lets use it...
if (FTP_NATIVE) {
// turn passive mode on
if (@ftp_pasv($this->_conn, true) === false) {
JError::raiseWarning('36', 'JFTP::listNames: Unable to use passive mode' );
return false;
}
if (($list = @ftp_nlist($this->_conn,$path)) === false) {
// Workaround for empty directories on some servers
if ($this->listDetails($path, 'files') === array()) {
return array();
}
JError::raiseWarning('35', 'JFTP::listNames: Bad response' );
return false;
}
$list = preg_replace('#^'.preg_quote($path, '#').'[/\\\\]?#', '', $list);
if ($keys = array_merge(array_keys($list, '.'), array_keys($list, '..'))) {
foreach ($keys as $key) {
unset($list[$key]);
}
}
return $list;
}
/*
* If a path exists, prepend a space
*/
if ($path != null) {
$path = ' ' . $path;
}
// Start passive mode
if (!$this->_passive()) {
JError::raiseWarning('36', 'JFTP::listNames: Unable to use passive mode' );
return false;
}
if (!$this->_putCmd('NLST'.$path, array (150, 125))) {
@ fclose($this->_dataconn);
// Workaround for empty directories on some servers
if ($this->listDetails($path, 'files') === array()) {
return array();
}
JError::raiseWarning('35', 'JFTP::listNames: Bad response', 'Server response: '.$this->_response.' [Expected: 150 or 125] Path sent: '.$path );
return false;
}
// Read in the file listing.
while (!feof($this->_dataconn)) {
$data .= fread($this->_dataconn, 4096);
}
fclose($this->_dataconn);
// Everything go okay?
if (!$this->_verifyResponse(226)) {
JError::raiseWarning('37', 'JFTP::listNames: Transfer Failed', 'Server response: '.$this->_response.' [Expected: 226] Path sent: '.$path );
return false;
}
$data = preg_split("/[".CRLF."]+/", $data, -1, PREG_SPLIT_NO_EMPTY);
$data = preg_replace('#^'.preg_quote(substr($path, 1), '#').'[/\\\\]?#', '', $data);
if ($keys = array_merge(array_keys($data, '.'), array_keys($data, '..'))) {
foreach ($keys as $key) {
unset($data[$key]);
}
}
return $data;
}
/**
* Method to list the contents of a directory on the FTP server
*
* @access public
* @param string $path Path local file to store on the FTP server
* @param string $type Return type [raw|all|folders|files]
* @param boolean $search Recursively search subdirectories
* @return mixed : if $type is raw: string Directory listing, otherwise array of string with file-names
*/
function listDetails($path = null, $type = 'all') {
// Initialize variables
$dir_list = array();
$data = null;
$regs = null;
// TODO: Deal with recurse -- nightmare
// For now we will just set it to false
$recurse = false;
// If native FTP support is enabled lets use it...
if (FTP_NATIVE) {
// turn passive mode on
if (@ftp_pasv($this->_conn, true) === false) {
JError::raiseWarning('36', 'JFTP::listDetails: Unable to use passive mode' );
return false;
}
if (($contents = @ftp_rawlist($this->_conn, $path)) === false) {
JError::raiseWarning('35', 'JFTP::listDetails: Bad response' );
return false;
}
} else {
// Non Native mode
// Start passive mode
if (!$this->_passive()) {
JError::raiseWarning('36', 'JFTP::listDetails: Unable to use passive mode' );
return false;
}
// If a path exists, prepend a space
if ($path != null) {
$path = ' ' . $path;
}
// Request the file listing
if (!$this->_putCmd(($recurse == true) ? 'LIST -R' : 'LIST'.$path, array (150, 125))) {
JError::raiseWarning('35', 'JFTP::listDetails: Bad response', 'Server response: '.$this->_response.' [Expected: 150 or 125] Path sent: '.$path );
@ fclose($this->_dataconn);
return false;
}
// Read in the file listing.
while (!feof($this->_dataconn)) {
$data .= fread($this->_dataconn, 4096);
}
fclose($this->_dataconn);
// Everything go okay?
if (!$this->_verifyResponse(226)) {
JError::raiseWarning('37', 'JFTP::listDetails: Transfer Failed', 'Server response: '.$this->_response.' [Expected: 226] Path sent: '.$path );
return false;
}
$contents = explode(CRLF, $data);
}
// If only raw output is requested we are done
if ($type == 'raw') {
return $data;
}
// If we received the listing of an emtpy directory, we are done as well
if (empty($contents[0])) {
return $dir_list;
}
// If the server returned the number of results in the first response, let's dump it
if (strtolower(substr($contents[0], 0, 6)) == 'total ') {
array_shift($contents);
if (!isset($contents[0]) || empty($contents[0])) {
return $dir_list;
}
}
// Regular expressions for the directory listing parsing
$regexps['UNIX'] = '([-dl][rwxstST-]+).* ([0-9]*) ([a-zA-Z0-9]+).* ([a-zA-Z0-9]+).* ([0-9]*) ([a-zA-Z]+[0-9: ]*[0-9])[ ]+(([0-9]{1,2}:[0-9]{2})|[0-9]{4}) (.+)';
$regexps['MAC'] = '([-dl][rwxstST-]+).* ?([0-9 ]* )?([a-zA-Z0-9]+).* ([a-zA-Z0-9]+).* ([0-9]*) ([a-zA-Z]+[0-9: ]*[0-9])[ ]+(([0-9]{2}:[0-9]{2})|[0-9]{4}) (.+)';
$regexps['WIN'] = '([0-9]{2})-([0-9]{2})-([0-9]{2}) +([0-9]{2}):([0-9]{2})(AM|PM) +([0-9]+|<DIR>) +(.+)';
// Find out the format of the directory listing by matching one of the regexps
$osType = null;
foreach ($regexps as $k=>$v) {
if (ereg($v, $contents[0])) {
$osType = $k;
$regexp = $v;
break;
}
}
if (!$osType) {
JError::raiseWarning('SOME_ERROR_CODE', 'JFTP::listDetails: Unrecognized directory listing format' );
return false;
}
/*
* Here is where it is going to get dirty....
*/
if ($osType == 'UNIX') {
foreach ($contents as $file) {
$tmp_array = null;
if (ereg($regexp, $file, $regs)) {
$fType = (int) strpos("-dl", $regs[1] { 0 });
//$tmp_array['line'] = $regs[0];
$tmp_array['type'] = $fType;
$tmp_array['rights'] = $regs[1];
//$tmp_array['number'] = $regs[2];
$tmp_array['user'] = $regs[3];
$tmp_array['group'] = $regs[4];
$tmp_array['size'] = $regs[5];
$tmp_array['date'] = date("m-d", strtotime($regs[6]));
$tmp_array['time'] = $regs[7];
$tmp_array['name'] = $regs[9];
}
// If we just want files, do not add a folder
if ($type == 'files' && $tmp_array['type'] == 1) {
continue;
}
// If we just want folders, do not add a file
if ($type == 'folders' && $tmp_array['type'] == 0) {
continue;
}
if (is_array($tmp_array) && $tmp_array['name'] != '.' && $tmp_array['name'] != '..') {
$dir_list[] = $tmp_array;
}
}
}
elseif ($osType == 'MAC') {
foreach ($contents as $file) {
$tmp_array = null;
if (ereg($regexp, $file, $regs)) {
$fType = (int) strpos("-dl", $regs[1] { 0 });
//$tmp_array['line'] = $regs[0];
$tmp_array['type'] = $fType;
$tmp_array['rights'] = $regs[1];
//$tmp_array['number'] = $regs[2];
$tmp_array['user'] = $regs[3];
$tmp_array['group'] = $regs[4];
$tmp_array['size'] = $regs[5];
$tmp_array['date'] = date("m-d", strtotime($regs[6]));
$tmp_array['time'] = $regs[7];
$tmp_array['name'] = $regs[9];
}
// If we just want files, do not add a folder
if ($type == 'files' && $tmp_array['type'] == 1) {
continue;
}
// If we just want folders, do not add a file
if ($type == 'folders' && $tmp_array['type'] == 0) {
continue;
}
if (is_array($tmp_array) && $tmp_array['name'] != '.' && $tmp_array['name'] != '..') {
$dir_list[] = $tmp_array;
}
}
} else {
foreach ($contents as $file) {
$tmp_array = null;
if (ereg($regexp, $file, $regs)) {
$fType = (int) ($regs[7] == '<DIR>');
$timestamp = strtotime("$regs[3]-$regs[1]-$regs[2] $regs[4]:$regs[5]$regs[6]");
//$tmp_array['line'] = $regs[0];
$tmp_array['type'] = $fType;
$tmp_array['rights'] = '';
//$tmp_array['number'] = 0;
$tmp_array['user'] = '';
$tmp_array['group'] = '';
$tmp_array['size'] = (int) $regs[7];
$tmp_array['date'] = date('m-d', $timestamp);
$tmp_array['time'] = date('H:i', $timestamp);
$tmp_array['name'] = $regs[8];
}
// If we just want files, do not add a folder
if ($type == 'files' && $tmp_array['type'] == 1) {
continue;
}
// If we just want folders, do not add a file
if ($type == 'folders' && $tmp_array['type'] == 0) {
continue;
}
if (is_array($tmp_array) && $tmp_array['name'] != '.' && $tmp_array['name'] != '..') {
$dir_list[] = $tmp_array;
}
}
}
return $dir_list;
}
/**
* Send command to the FTP server and validate an expected response code
*
* @access private
* @param string $cmd Command to send to the FTP server
* @param mixed $expected Integer response code or array of integer response codes
* @return boolean True if command executed successfully
*/
function _putCmd($cmd, $expectedResponse) {
// Make sure we have a connection to the server
if (!is_resource($this->_conn)) {
JError::raiseWarning('31', 'JFTP::_putCmd: Not connected to the control port' );
return false;
}
// Send the command to the server
if (!fwrite($this->_conn, $cmd."\r\n")) {
JError::raiseWarning('32', 'JFTP::_putCmd: Unable to send command: '.$cmd );
}
return $this->_verifyResponse($expectedResponse);
}
/**
* Verify the response code from the server and log response if flag is set
*
* @access private
* @param mixed $expected Integer response code or array of integer response codes
* @return boolean True if response code from the server is expected
*/
function _verifyResponse($expected) {
// Initialize variables
$parts = null;
// Wait for a response from the server, but timeout after the set time limit
$endTime = time() + $this->_timeout;
$this->_response = '';
do {
$this->_response .= fgets($this->_conn, 4096);
} while (!preg_match("/^([0-9]{3})(-(.*".CRLF.")+\\1)? [^".CRLF."]+".CRLF."$/", $this->_response, $parts) && time() < $endTime);
// Catch a timeout or bad response
if (!isset($parts[1])) {
JError::raiseWarning('SOME_ERROR_CODE', 'JFTP::_verifyResponse: Timeout or unrecognized response while waiting for a response from the server', 'Server response: '.$this->_response);
return false;
}
// Separate the code from the message
$this->_responseCode = $parts[1];
$this->_responseMsg = $parts[0];
// Did the server respond with the code we wanted?
if (is_array($expected)) {
if (in_array($this->_responseCode, $expected)) {
$retval = true;
} else {
$retval = false;
}
} else {
if ($this->_responseCode == $expected) {
$retval = true;
} else {
$retval = false;
}
}
return $retval;
}
/**
* Set server to passive mode and open a data port connection
*
* @access private
* @return boolean True if successful
*/
function _passive() {
//Initialize variables
$match = array();
$parts = array();
$errno = null;
$err = null;
// Make sure we have a connection to the server
if (!is_resource($this->_conn)) {
JError::raiseWarning('31', 'JFTP::_passive: Not connected to the control port' );
return false;
}
// Request a passive connection - this means, we'll talk to you, you don't talk to us.
@ fwrite($this->_conn, "PASV\r\n");
// Wait for a response from the server, but timeout after the set time limit
$endTime = time() + $this->_timeout;
$this->_response = '';
do {
$this->_response .= fgets($this->_conn, 4096);
} while (!preg_match("/^([0-9]{3})(-(.*".CRLF.")+\\1)? [^".CRLF."]+".CRLF."$/", $this->_response, $parts) && time() < $endTime);
// Catch a timeout or bad response
if (!isset($parts[1])) {
JError::raiseWarning('SOME_ERROR_CODE', 'JFTP::_passive: Timeout or unrecognized response while waiting for a response from the server', 'Server response: '.$this->_response);
return false;
}
// Separate the code from the message
$this->_responseCode = $parts[1];
$this->_responseMsg = $parts[0];
// If it's not 227, we weren't given an IP and port, which means it failed.
if ($this->_responseCode != '227') {
JError::raiseWarning('36', 'JFTP::_passive: Unable to obtain IP and port for data transfer', 'Server response: '.$this->_responseMsg);
return false;
}
// Snatch the IP and port information, or die horribly trying...
if (preg_match('~\((\d+),\s*(\d+),\s*(\d+),\s*(\d+),\s*(\d+)(?:,\s*(\d+))\)~', $this->_responseMsg, $match) == 0) {
JError::raiseWarning('36', 'JFTP::_passive: IP and port for data transfer not valid', 'Server response: '.$this->_responseMsg);
return false;
}
// This is pretty simple - store it for later use ;).
$this->_pasv = array ('ip' => $match[1].'.'.$match[2].'.'.$match[3].'.'.$match[4], 'port' => $match[5] * 256 + $match[6]);
// Connect, assuming we've got a connection.
$this->_dataconn = @fsockopen($this->_pasv['ip'], $this->_pasv['port'], $errno, $err, $this->_timeout);
if (!$this->_dataconn) {
JError::raiseWarning('30', 'JFTP::_passive: Could not connect to host '.$this->_pasv['ip'].' on port '.$this->_pasv['port'].'. Socket error number '.$errno.' and error message: '.$err );
return false;
}
// Set the timeout for this connection
socket_set_timeout($this->_conn, $this->_timeout);
return true;
}
/**
* Method to find out the correct transfer mode for a specific file
*
* @access private
* @param string $fileName Name of the file
* @return integer Transfer-mode for this filetype [FTP_ASCII|FTP_BINARY]
*/
function _findMode($fileName) {
if ($this->_type == FTP_AUTOASCII) {
$dot = strrpos($fileName, '.') + 1;
$ext = substr($fileName, $dot);
if (in_array($ext, $this->_autoAscii)) {
$mode = FTP_ASCII;
} else {
$mode = FTP_BINARY;
}
} elseif ($this->_type == FTP_ASCII) {
$mode = FTP_ASCII;
} else {
$mode = FTP_BINARY;
}
return $mode;
}
/**
* Set transfer mode
*
* @access private
* @param int $mode Integer representation of data transfer mode [1:Binary|0:Ascii]
* Defined constants can also be used [FTP_BINARY|FTP_ASCII]
* @return boolean True if successful
*/
function _mode($mode) {
if ($mode == FTP_BINARY) {
if (!$this->_putCmd("TYPE I", 200)) {
JError::raiseWarning('35', 'JFTP::_mode: Bad response', 'Server response: '.$this->_response.' [Expected: 200] Mode sent: Binary' );
return false;
}
} else {
if (!$this->_putCmd("TYPE A", 200)) {
JError::raiseWarning('35', 'JFTP::_mode: Bad response', 'Server response: '.$this->_response.' [Expected: 200] Mode sent: Ascii' );
return false;
}
}
return true;
}
}