<?php
include_once('ftps.php');
class softftpes {
var $ftps_conn = false;
var $position;
var $remotefile;
var $readsize = 0;
var $ftps;
var $orig_path = '';
var $tmpsize = 0;
var $tpfile = 'php://memory';
var $writepos = 0;
var $wp = NULL; // Memory Write Pointer
var $mode;
function __construct(){
$this->softftpes();
}
function softftpes(){
$this->ftps = new ftps();
}
function __destruct(){
$this->position = 0;
$this->remotefile = '';
}
// Used to test a connection to the remote server
function connect($host, $port, $user, $pass, $pri = 0, $passphrase = 0){ //cannot put this code inside constructor since we need to pass the URL, the constructor takes void(no) parameters
global $error;
// There is a bug in PHP versions less than 5.6.0 causing the ftp_put/ftp_fput to fail with error Accepted Data Connection
// Tested with 5.5.38 and 5.4.45
if(version_compare(phpversion(), '5.6.0', '<')){
$error['no_support_php56'] = 'FTPS is not supported for PHP version less than 5.6 your current PHP version is '.phpversion();
return false;
}
//__construct is called only before stream_open() in older versions of PHP (< 5.6). In newer versions, it is called before all the stream functions.
if(!is_object($this->ftps)){
$this->ftps = new ftps();
}
//backuply_log($host.' - '.$port.' - '.$user.' - '.$pass);
$this->ftps_conn = $this->ftps->connect($host, $port, $user, $pass);
if(!empty($this->ftps->error)){
foreach($this->ftps->error as $k => $v){
$error[] = $v;
}
}
return $this->ftps_conn;
}
// Just so that we can connect everywhere
function init($path, &$url = array()){
if(!preg_match('/softftpes:\/\//i', $path)){
return false;
}
$url = parse_url($path);
// By default the port is 21
if(empty($url['port'])){
$url['port'] = 21;
}
// Are we to connect
if(empty($this->ftps_conn)){
$this->connect($url['host'], $url['port'], rawurldecode($url['user']), rawurldecode($url['pass']));
}
if(empty($this->ftps_conn)){
return false;
}
return $this->ftps_conn;
}
// For fopen
function stream_open($path, $mode){
if(!$init = $this->init($path, $url)){
return $init;
}
//echo 'IN OPEN : '.$this->ftps_conn.' - '.$path."\n";
//backuply_print($this->ftps->error);
//echo 'HERE';
//die();
//backuply_log('[stream_open] '.$path);
$this->orig_path = $path;
$this->mode = $mode;
$this->remotefile = $url['path'];
$this->position = 0;
if(strpos($this->mode, 'r') !== FALSE){
$this->readsize = filesize($this->orig_path);
if(empty($this->readsize)){
return false;
}
}
return $this->ftps_conn;
}
// AS of now not used
function stream_read($count){
if(!$this->ftps_conn){
return false;
}
$fp = fopen('php://temp/maxmemory:'.$count, 'r+');
if(!ftp_fget($this->ftps->ftp_conn, $fp, $this->remotefile, FTP_BINARY, $this->position)){
$this->error[] = "Remote File $remotefile could not be accessed";
$this->error[] = "It looks like FTPS protocol is not supported with your PHP, Please try FTP/SFTP protocol";
return false;
}
$contents = '';
rewind($fp);
while (!feof($fp)) {
$contents .= fread($fp, 8192);
}
fclose($fp);
if(empty($contents)){
return false;
}
$this->position = $this->position + $count;
return $contents;
}
function stream_write($data){
$strlen = strlen($data);
//echo 'IN WRITE : '.$strlen."\n";
//echo $this->remotefile.' - '.strlen($data);die();
if(!$this->ftps_conn){
return false;
}
if(!is_resource($this->wp)){
$this->wp = fopen($this->tpfile, 'w+');
}
//Initially store the data in a variable
fwrite($this->wp, $data);
$this->tmpsize += strlen($data);
$ret = $strlen;
$this->position += $strlen;
// Are we already more than 4 MB ?
if($this->tmpsize >= 2000000){
rewind($this->wp);
if(!empty($GLOBALS['start_pos'])){
$this->writepos = $GLOBALS['start_pos'];
}
if(!$this->ftps->backup_softput($this->remotefile, $this->wp, $this->writepos)){
$ret = false;
}
$GLOBALS['start_pos'] += $this->tmpsize;
// Close the temp file and reset the variables
if(is_resource($this->wp)){
fclose($this->wp);
}
$this->wp = NULL;
$this->tmpsize = 0;
}
return $ret;
}
function stream_close(){
$ret = true;
if(preg_match('/w|a/is', $this->mode)){
// Are we already more than 4 MB ?
if($this->tmpsize > 0 && is_resource($this->wp)){
rewind($this->wp);
$this->writepos = $GLOBALS['start_pos'];
if(!$this->ftps->backup_softput($this->remotefile, $this->wp, $this->writepos)){
$ret = false;
}
$GLOBALS['start_pos'] += $this->tmpsize;
// Close the temp file and reset the variables
if(is_resource($this->wp)){
fclose($this->wp);
}
$this->wp = NULL;
$this->tmpsize = 0;
}
}
return $ret;
}
function stream_eof(){
return $this->position >= $this->readsize;
}
function stream_tell(){
return $this->position;
}
function dir_opendir($path, $options){
if(!$init = $this->init($path, $url)){
return $init;
}
$this->orig_path = $path;
$this->remotefile = $url['path'];
$this->filelist = $this->ftps->filelist($this->remotefile);
//backuply_print($this->filelist);
return true;
}
function dir_readdir(){
$key = key($this->filelist);
if(is_null($key)){
return false;
}
$val = $this->filelist[$key];
unset($this->filelist[$key]);
return pathinfo($val, PATHINFO_BASENAME);
}
function dir_closedir(){
// Do nothing
}
// Download a remote file to the local file
function download_file_loop($path, $localfile, $startpos = 0){
global $data, $error;
if(!$init = $this->init($path, $url)){
return $init;
}
backuply_log($url['path'].' - '.$startpos);
//die();
$lfp = @fopen($localfile, 'ab');
$ret = ftp_nb_fget($this->ftps->ftp_conn, $lfp, $url['path'], FTP_BINARY, $startpos);
$loop_break = false;
$size_tracker = $startpos;
while ($ret == FTP_MOREDATA){
clearstatcache();
if((filesize($localfile) - $size_tracker) > 1000000){
backuply_status_log('Downloaded File (L'.$data['restore_loop'].') : '.filesize($localfile));
$size_tracker = filesize($localfile);
}
if((time() + 5) >= $GLOBALS['end']){
backuply_status_log('Breaking Loop (L'.$data['restore_loop'].') at FileSize : '.filesize($localfile));
$loop_break = true;
break;
}
/* // For testing
if((filesize($localfile) - $startpos) > 50000000){
backuply_status_log('Breaking Loop (L'.$data['restore_loop'].') at FileSize : '.filesize($localfile));
$loop_break = true;
break;
}*/
// Continue downloading...
$ret = ftp_nb_continue($this->ftps->ftp_conn);
}
if (empty($loop_break) && $ret != FTP_FINISHED) {
$error[] = 'There was an error downloading the file...';
return false;
}
backuply_status_log('Downloaded FileSize in L'.$data['restore_loop'].' : '.filesize($localfile));
$percentage = (filesize($localfile) / $data['size']) * 100;
backuply_status_log('<div class="backuply-upload-progress"><span class="backuply-upload-progress-bar" style="width:'.round($percentage).'%;"></span><span class="backuply-upload-size">'.round($percentage).'%</span></div>', 'downloading', 22);
$GLOBALS['l_readbytes'] = filesize($localfile);
return $ret;
}
function mkdir($path, $mode, $options){
if(!$init = $this->init($path, $url)){
return $init;
}
$ret = $this->ftps->mmkdir($url['path'], $mode);
return $ret;
}
function rmdir($path, $options){
if(!$init = $this->init($path, $url)){
return $init;
}
$res = $this->ftps->rmdir($url['path']);
return $res;
}
function url_stat($path, $flags){
if(!$init = $this->init($path, $url)){
return $init;
}
$url['path'] = $this->cleanpath($url['path']);
if(empty($url['path'])){
$url['path'] = '/';
}
if($url['path'] == '/'){
$file = '.';
$dir = $url['path'];
}else{
$file = basename($url['path']);
$dir = dirname($url['path']);
}
$dir = $this->cleanpath($dir);
if(empty($dir)){
$dir = '/';
}
//echo $file.' - '.$dir." -- - - -\n";die();
$list = $this->ftps->rawlist($dir);
foreach($list as $k => $v){
$list[$k] = $this->ftps->_parselisting($v);
if($list[$k]['name'] != $file){
continue;
}
$stat = array('dev' => 0,
'ino' => 0,
'mode' => (!empty($list[$k]['mode']) ? octdec($list[$k]['mode']) : 0),
'nlink' => 0,
'uid' => 0,
'gid' => 0,
'rdev' => 0,
'size' => $list[$k]['size'],
'atime' => $list[$k]['time'],
'mtime' => $list[$k]['time'],
'ctime' => $list[$k]['time'],
'blksize' => -1,
'blocks' => -1
);
return $stat + array_values($stat);
}
return false;
}
function unlink($path){
if(!$init = $this->init($path, $url)){
return $init;
}
$res = $this->ftps->delete($url['path']);
return $res;
}
function rename($from, $to){
if(!$init = $this->init($from, $url)){
return $init;
}
$url_from = parse_url($from);
$url_to = parse_url($to);
//echo 'Rename : '.$url_from['path'].' - '.$url_to['path']."\n";
return $this->ftps->rename($url_from['path'], $url_to['path']);
}
function cleanpath($path){
$path = str_replace('\\\\', '/', $path);
$path = str_replace('\\', '/', $path);
$path = str_replace('//', '/', $path);
return rtrim($path, '/');
}
}