DiscuzX/upload/source/class/discuz/discuz_ftp.php

258 lines
6.7 KiB
PHP

<?php
/**
* [Discuz!] (C)2001-2099 Comsenz Inc.
* This is NOT a freeware, use is subject to license terms
*
* $Id: discuz_ftp.php 32473 2013-01-24 07:11:38Z chenmengshu $
*/
if(!defined('IN_DISCUZ')) {
exit('Access Denied');
}
if(!defined('FTP_ERR_SERVER_DISABLED')) {
define('FTP_ERR_SERVER_DISABLED', -100);
define('FTP_ERR_CONFIG_OFF', -101);
define('FTP_ERR_CONNECT_TO_SERVER', -102);
define('FTP_ERR_USER_NO_LOGGIN', -103);
define('FTP_ERR_CHDIR', -104);
define('FTP_ERR_MKDIR', -105);
define('FTP_ERR_SOURCE_READ', -106);
define('FTP_ERR_TARGET_WRITE', -107);
}
class discuz_ftp
{
var $enabled = false;
var $config = array();
var $func;
var $connectid;
var $_error;
function &instance($config = array()) {
static $object;
if(empty($object)) {
$object = new discuz_ftp($config);
}
return $object;
}
function __construct($config = array()) {
$this->set_error(0);
$this->config = !$config ? getglobal('setting/ftp') : $config;
$this->enabled = false;
if(empty($this->config['on']) || empty($this->config['host'])) {
$this->set_error(FTP_ERR_CONFIG_OFF);
} else {
$this->func = $this->config['ssl'] && function_exists('ftp_ssl_connect') ? 'ftp_ssl_connect' : 'ftp_connect';
if($this->func == 'ftp_connect' && !function_exists('ftp_connect')) {
$this->set_error(FTP_ERR_SERVER_DISABLED);
} else {
$this->config['host'] = discuz_ftp::clear($this->config['host']);
$this->config['port'] = intval($this->config['port']);
$this->config['ssl'] = intval($this->config['ssl']);
$this->config['username'] = discuz_ftp::clear($this->config['username']);
$this->config['password'] = authcode($this->config['password'], 'DECODE', md5(getglobal('config/security/authkey')));
$this->config['timeout'] = intval($this->config['timeout']);
$this->enabled = true;
}
}
}
function upload($source, $target) {
if($this->error()) {
return 0;
}
$old_dir = $this->ftp_pwd();
$dirname = dirname($target);
$filename = basename($target);
if(!$this->ftp_chdir($dirname)) {
if($this->ftp_mkdir($dirname)) {
$this->ftp_chmod($dirname);
if(!$this->ftp_chdir($dirname)) {
$this->set_error(FTP_ERR_CHDIR);
}
$this->ftp_put('index.htm', getglobal('setting/attachdir').'/index.htm', FTP_BINARY);
} else {
$this->set_error(FTP_ERR_MKDIR);
}
}
$res = 0;
if(!$this->error()) {
if($fp = @fopen($source, 'rb')) {
$res = $this->ftp_fput($filename, $fp, FTP_BINARY);
@fclose($fp);
!$res && $this->set_error(FTP_ERR_TARGET_WRITE);
} else {
$this->set_error(FTP_ERR_SOURCE_READ);
}
}
$this->ftp_chdir($old_dir);
return $res ? 1 : 0;
}
function connect() {
if(!$this->enabled || empty($this->config)) {
return 0;
} else {
return $this->ftp_connect(
$this->config['host'],
$this->config['username'],
$this->config['password'],
$this->config['attachdir'],
$this->config['port'],
$this->config['timeout'],
$this->config['ssl'],
$this->config['pasv']
);
}
}
function ftp_connect($ftphost, $username, $password, $ftppath, $ftpport = 21, $timeout = 30, $ftpssl = 0, $ftppasv = 0) {
$res = 0;
$fun = $this->func;
if($this->connectid = $fun($ftphost, $ftpport, 20)) {
$timeout && $this->set_option(FTP_TIMEOUT_SEC, $timeout);
if($this->ftp_login($username, $password)) {
$this->ftp_pasv($ftppasv);
if($this->ftp_chdir($ftppath)) {
$res = $this->connectid;
} else {
$this->set_error(FTP_ERR_CHDIR);
}
} else {
$this->set_error(FTP_ERR_USER_NO_LOGGIN);
}
} else {
$this->set_error(FTP_ERR_CONNECT_TO_SERVER);
}
if($res > 0) {
$this->set_error();
$this->enabled = 1;
} else {
$this->enabled = 0;
$this->ftp_close();
}
return $res;
}
function set_error($code = 0) {
$this->_error = $code;
}
function error() {
return $this->_error;
}
function clear($str) {
return str_replace(array( "\n", "\r", '..'), '', $str);
}
function set_option($cmd, $value) {
if(function_exists('ftp_set_option')) {
return @ftp_set_option($this->connectid, $cmd, $value);
}
}
function ftp_mkdir($directory) {
$directory = discuz_ftp::clear($directory);
$epath = explode('/', $directory);
$dir = '';$comma = '';
foreach($epath as $path) {
$dir .= $comma.$path;
$comma = '/';
$return = @ftp_mkdir($this->connectid, $dir);
$this->ftp_chmod($dir);
}
return $return;
}
function ftp_rmdir($directory) {
$directory = discuz_ftp::clear($directory);
return @ftp_rmdir($this->connectid, $directory);
}
function ftp_put($remote_file, $local_file, $mode = FTP_BINARY) {
$remote_file = discuz_ftp::clear($remote_file);
$local_file = discuz_ftp::clear($local_file);
$mode = intval($mode);
return @ftp_put($this->connectid, $remote_file, $local_file, $mode);
}
function ftp_fput($remote_file, $sourcefp, $mode = FTP_BINARY) {
$remote_file = discuz_ftp::clear($remote_file);
$mode = intval($mode);
return @ftp_fput($this->connectid, $remote_file, $sourcefp, $mode);
}
function ftp_size($remote_file) {
$remote_file = discuz_ftp::clear($remote_file);
return @ftp_size($this->connectid, $remote_file);
}
function ftp_close() {
return @ftp_close($this->connectid);
}
function ftp_delete($path) {
$path = discuz_ftp::clear($path);
return @ftp_delete($this->connectid, $path);
}
function ftp_get($local_file, $remote_file, $mode, $resumepos = 0) {
$remote_file = discuz_ftp::clear($remote_file);
$local_file = discuz_ftp::clear($local_file);
$mode = intval($mode);
$resumepos = intval($resumepos);
return @ftp_get($this->connectid, $local_file, $remote_file, $mode, $resumepos);
}
function ftp_login($username, $password) {
$username = $this->clear($username);
$password = str_replace(array("\n", "\r"), array('', ''), $password);
return @ftp_login($this->connectid, $username, $password);
}
function ftp_pasv($pasv) {
return @ftp_pasv($this->connectid, $pasv ? true : false);
}
function ftp_chdir($directory) {
$directory = discuz_ftp::clear($directory);
return @ftp_chdir($this->connectid, $directory);
}
function ftp_site($cmd) {
$cmd = discuz_ftp::clear($cmd);
return @ftp_site($this->connectid, $cmd);
}
function ftp_chmod($filename, $mod = 0777) {
$filename = discuz_ftp::clear($filename);
if(function_exists('ftp_chmod')) {
return @ftp_chmod($this->connectid, $mod, $filename);
} else {
return @ftp_site($this->connectid, 'CHMOD '.$mod.' '.$filename);
}
}
function ftp_pwd() {
return @ftp_pwd($this->connectid);
}
}