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<?php
/**
 * PemFTP - An Ftp implementation in pure PHP
 *
 * @package PemFTP
 * @since 2.5.0
 *
 * @version 1.0
 * @copyright Alexey Dotsenko
 * @author Alexey Dotsenko
 * @link https://www.phpclasses.org/package/1743-PHP-FTP-client-in-pure-PHP.html
 * @license LGPL https://opensource.org/licenses/lgpl-license.html
 */

/**
 * Defines the newline characters, if not defined already.
 *
 * This can be redefined.
 *
 * @since 2.5.0
 * @var string
 */
if(!defined('CRLF')) define('CRLF',"\r\n");

/**
 * Sets whatever to autodetect ASCII mode.
 *
 * This can be redefined.
 *
 * @since 2.5.0
 * @var int
 */
if(!defined("FTP_AUTOASCII")) define("FTP_AUTOASCII", -1);

/**
 *
 * This can be redefined.
 * @since 2.5.0
 * @var int
 */
if(!defined("FTP_BINARY")) define("FTP_BINARY", 1);

/**
 *
 * This can be redefined.
 * @since 2.5.0
 * @var int
 */
if(!defined("FTP_ASCII")) define("FTP_ASCII", 0);

/**
 * Whether to force FTP.
 *
 * This can be redefined.
 *
 * @since 2.5.0
 * @var bool
 */
if(!defined('FTP_FORCE')) define('FTP_FORCE', true);

/**
 * @since 2.5.0
 * @var string
 */
define('FTP_OS_Unix','u');

/**
 * @since 2.5.0
 * @var string
 */
define('FTP_OS_Windows','w');

/**
 * @since 2.5.0
 * @var string
 */
define('FTP_OS_Mac','m');

/**
 * PemFTP base class
 *
 */
class ftp_base {
   
/* Public variables */
   
var $LocalEcho;
    var
$Verbose;
    var
$OS_local;
    var
$OS_remote;

   
/* Private variables */
   
var $_lastaction;
    var
$_errors;
    var
$_type;
    var
$_umask;
    var
$_timeout;
    var
$_passive;
    var
$_host;
    var
$_fullhost;
    var
$_port;
    var
$_datahost;
    var
$_dataport;
    var
$_ftp_control_sock;
    var
$_ftp_data_sock;
    var
$_ftp_temp_sock;
    var
$_ftp_buff_size;
    var
$_login;
    var
$_password;
    var
$_connected;
    var
$_ready;
    var
$_code;
    var
$_message;
    var
$_can_restore;
    var
$_port_available;
    var
$_curtype;
    var
$_features;

    var
$_error_array;
    var
$AuthorizedTransferMode;
    var
$OS_FullName;
    var
$_eol_code;
    var
$AutoAsciiExt;

   
/* Constructor */
   
function __construct($port_mode=FALSE, $verb=FALSE, $le=FALSE) {
       
$this->LocalEcho=$le;
       
$this->Verbose=$verb;
       
$this->_lastaction=NULL;
       
$this->_error_array=array();
       
$this->_eol_code=array(FTP_OS_Unix=>"\n", FTP_OS_Mac=>"\r", FTP_OS_Windows=>"\r\n");
       
$this->AuthorizedTransferMode=array(FTP_AUTOASCII, FTP_ASCII, FTP_BINARY);
       
$this->OS_FullName=array(FTP_OS_Unix => 'UNIX', FTP_OS_Windows => 'WINDOWS', FTP_OS_Mac => 'MACOS');
       
$this->AutoAsciiExt=array("ASP","BAT","C","CPP","CSS","CSV","JS","H","HTM","HTML","SHTML","INI","LOG","PHP3","PHTML","PL","PERL","SH","SQL","TXT");
       
$this->_port_available=($port_mode==TRUE);
       
$this->SendMSG("Staring FTP client class".($this->_port_available?"":" without PORT mode support"));
       
$this->_connected=FALSE;
       
$this->_ready=FALSE;
       
$this->_can_restore=FALSE;
       
$this->_code=0;
       
$this->_message="";
       
$this->_ftp_buff_size=4096;
       
$this->_curtype=NULL;
       
$this->SetUmask(0022);
       
$this->SetType(FTP_AUTOASCII);
       
$this->SetTimeout(30);
       
$this->Passive(!$this->_port_available);
       
$this->_login="anonymous";
       
$this->_password="anon@ftp.com";
       
$this->_features=array();
       
$this->OS_local=FTP_OS_Unix;
       
$this->OS_remote=FTP_OS_Unix;
       
$this->features=array();
        if(
strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') $this->OS_local=FTP_OS_Windows;
        elseif(
strtoupper(substr(PHP_OS, 0, 3)) === 'MAC') $this->OS_local=FTP_OS_Mac;
    }

    function
ftp_base($port_mode=FALSE) {
       
$this->__construct($port_mode);
    }

// <!-- --------------------------------------------------------------------------------------- -->
// <!--       Public functions                                                                  -->
// <!-- --------------------------------------------------------------------------------------- -->

   
function parselisting($line) {
       
$is_windows = ($this->OS_remote == FTP_OS_Windows);
        if (
$is_windows && preg_match("/([0-9]{2})-([0-9]{2})-([0-9]{2}) +([0-9]{2}):([0-9]{2})(AM|PM) +([0-9]+|<DIR>) +(.+)/",$line,$lucifer)) {
           
$b = array();
            if (
$lucifer[3]<70) { $lucifer[3]+=2000; } else { $lucifer[3]+=1900; } // 4digit year fix
           
$b['isdir'] = ($lucifer[7]=="<DIR>");
            if (
$b['isdir'] )
               
$b['type'] = 'd';
            else
               
$b['type'] = 'f';
           
$b['size'] = $lucifer[7];
           
$b['month'] = $lucifer[1];
           
$b['day'] = $lucifer[2];
           
$b['year'] = $lucifer[3];
           
$b['hour'] = $lucifer[4];
           
$b['minute'] = $lucifer[5];
           
$b['time'] = @mktime($lucifer[4]+(strcasecmp($lucifer[6],"PM")==0?12:0),$lucifer[5],0,$lucifer[1],$lucifer[2],$lucifer[3]);
           
$b['am/pm'] = $lucifer[6];
           
$b['name'] = $lucifer[8];
        } else if (!
$is_windows && $lucifer=preg_split("/[ ]/",$line,9,PREG_SPLIT_NO_EMPTY)) {
           
//echo $line."\n";
           
$lcount=count($lucifer);
            if (
$lcount<8) return '';
           
$b = array();
           
$b['isdir'] = $lucifer[0][0] === "d";
           
$b['islink'] = $lucifer[0][0] === "l";
            if (
$b['isdir'] )
               
$b['type'] = 'd';
            elseif (
$b['islink'] )
               
$b['type'] = 'l';
            else
               
$b['type'] = 'f';
           
$b['perms'] = $lucifer[0];
           
$b['number'] = $lucifer[1];
           
$b['owner'] = $lucifer[2];
           
$b['group'] = $lucifer[3];
           
$b['size'] = $lucifer[4];
            if (
$lcount==8) {
               
sscanf($lucifer[5],"%d-%d-%d",$b['year'],$b['month'],$b['day']);
               
sscanf($lucifer[6],"%d:%d",$b['hour'],$b['minute']);
               
$b['time'] = @mktime($b['hour'],$b['minute'],0,$b['month'],$b['day'],$b['year']);
               
$b['name'] = $lucifer[7];
            } else {
               
$b['month'] = $lucifer[5];
               
$b['day'] = $lucifer[6];
                if (
preg_match("/([0-9]{2}):([0-9]{2})/",$lucifer[7],$l2)) {
                   
$b['year'] = gmdate("Y");
                   
$b['hour'] = $l2[1];
                   
$b['minute'] = $l2[2];
                } else {
                   
$b['year'] = $lucifer[7];
                   
$b['hour'] = 0;
                   
$b['minute'] = 0;
                }
               
$b['time'] = strtotime(sprintf("%d %s %d %02d:%02d",$b['day'],$b['month'],$b['year'],$b['hour'],$b['minute']));
               
$b['name'] = $lucifer[8];
            }
        }

        return
$b;
    }

    function
SendMSG($message = "", $crlf=true) {
        if (
$this->Verbose) {
            echo
$message.($crlf?CRLF:"");
           
flush();
        }
        return
TRUE;
    }

    function
SetType($mode=FTP_AUTOASCII) {
        if(!
in_array($mode, $this->AuthorizedTransferMode)) {
           
$this->SendMSG("Wrong type");
            return
FALSE;
        }
       
$this->_type=$mode;
       
$this->SendMSG("Transfer type: ".($this->_type==FTP_BINARY?"binary":($this->_type==FTP_ASCII?"ASCII":"auto ASCII") ) );
        return
TRUE;
    }

    function
_settype($mode=FTP_ASCII) {
        if(
$this->_ready) {
            if(
$mode==FTP_BINARY) {
                if(
$this->_curtype!=FTP_BINARY) {
                    if(!
$this->_exec("TYPE I", "SetType")) return FALSE;
                   
$this->_curtype=FTP_BINARY;
                }
            } elseif(
$this->_curtype!=FTP_ASCII) {
                if(!
$this->_exec("TYPE A", "SetType")) return FALSE;
               
$this->_curtype=FTP_ASCII;
            }
        } else return
FALSE;
        return
TRUE;
    }

    function
Passive($pasv=NULL) {
        if(
is_null($pasv)) $this->_passive=!$this->_passive;
        else
$this->_passive=$pasv;
        if(!
$this->_port_available and !$this->_passive) {
           
$this->SendMSG("Only passive connections available!");
           
$this->_passive=TRUE;
            return
FALSE;
        }
       
$this->SendMSG("Passive mode ".($this->_passive?"on":"off"));
        return
TRUE;
    }

    function
SetServer($host, $port=21, $reconnect=true) {
        if(!
is_long($port)) {
           
$this->verbose=true;
           
$this->SendMSG("Incorrect port syntax");
            return
FALSE;
        } else {
           
$ip=@gethostbyname($host);
           
$dns=@gethostbyaddr($host);
            if(!
$ip) $ip=$host;
            if(!
$dns) $dns=$host;
           
// Validate the IPAddress PHP4 returns -1 for invalid, PHP5 false
            // -1 === "255.255.255.255" which is the broadcast address which is also going to be invalid
           
$ipaslong = ip2long($ip);
            if ( (
$ipaslong == false) || ($ipaslong === -1) ) {
               
$this->SendMSG("Wrong host name/address \"".$host."\"");
                return
FALSE;
            }
           
$this->_host=$ip;
           
$this->_fullhost=$dns;
           
$this->_port=$port;
           
$this->_dataport=$port-1;
        }
       
$this->SendMSG("Host \"".$this->_fullhost."(".$this->_host."):".$this->_port."\"");
        if(
$reconnect){
            if(
$this->_connected) {
               
$this->SendMSG("Reconnecting");
                if(!
$this->quit(FTP_FORCE)) return FALSE;
                if(!
$this->connect()) return FALSE;
            }
        }
        return
TRUE;
    }

    function
SetUmask($umask=0022) {
       
$this->_umask=$umask;
       
umask($this->_umask);
       
$this->SendMSG("UMASK 0".decoct($this->_umask));
        return
TRUE;
    }

    function
SetTimeout($timeout=30) {
       
$this->_timeout=$timeout;
       
$this->SendMSG("Timeout ".$this->_timeout);
        if(
$this->_connected)
            if(!
$this->_settimeout($this->_ftp_control_sock)) return FALSE;
        return
TRUE;
    }

    function
connect($server=NULL) {
        if(!empty(
$server)) {
            if(!
$this->SetServer($server)) return false;
        }
        if(
$this->_ready) return true;
       
$this->SendMsg('Local OS : '.$this->OS_FullName[$this->OS_local]);
        if(!(
$this->_ftp_control_sock = $this->_connect($this->_host, $this->_port))) {
           
$this->SendMSG("Error : Cannot connect to remote host \"".$this->_fullhost." :".$this->_port."\"");
            return
FALSE;
        }
       
$this->SendMSG("Connected to remote host \"".$this->_fullhost.":".$this->_port."\". Waiting for greeting.");
        do {
            if(!
$this->_readmsg()) return FALSE;
            if(!
$this->_checkCode()) return FALSE;
           
$this->_lastaction=time();
        } while(
$this->_code<200);
       
$this->_ready=true;
       
$syst=$this->systype();
        if(!
$syst) $this->SendMSG("Cannot detect remote OS");
        else {
            if(
preg_match("/win|dos|novell/i", $syst[0])) $this->OS_remote=FTP_OS_Windows;
            elseif(
preg_match("/os/i", $syst[0])) $this->OS_remote=FTP_OS_Mac;
            elseif(
preg_match("/(li|u)nix/i", $syst[0])) $this->OS_remote=FTP_OS_Unix;
            else
$this->OS_remote=FTP_OS_Mac;
           
$this->SendMSG("Remote OS: ".$this->OS_FullName[$this->OS_remote]);
        }
        if(!
$this->features()) $this->SendMSG("Cannot get features list. All supported - disabled");
        else
$this->SendMSG("Supported features: ".implode(", ", array_keys($this->_features)));
        return
TRUE;
    }

    function
quit($force=false) {
        if(
$this->_ready) {
            if(!
$this->_exec("QUIT") and !$force) return FALSE;
            if(!
$this->_checkCode() and !$force) return FALSE;
           
$this->_ready=false;
           
$this->SendMSG("Session finished");
        }
       
$this->_quit();
        return
TRUE;
    }

    function
login($user=NULL, $pass=NULL) {
        if(!
is_null($user)) $this->_login=$user;
        else
$this->_login="anonymous";
        if(!
is_null($pass)) $this->_password=$pass;
        else
$this->_password="anon@anon.com";
        if(!
$this->_exec("USER ".$this->_login, "login")) return FALSE;
        if(!
$this->_checkCode()) return FALSE;
        if(
$this->_code!=230) {
            if(!
$this->_exec((($this->_code==331)?"PASS ":"ACCT ").$this->_password, "login")) return FALSE;
            if(!
$this->_checkCode()) return FALSE;
        }
       
$this->SendMSG("Authentication succeeded");
        if(empty(
$this->_features)) {
            if(!
$this->features()) $this->SendMSG("Cannot get features list. All supported - disabled");
            else
$this->SendMSG("Supported features: ".implode(", ", array_keys($this->_features)));
        }
        return
TRUE;
    }

    function
pwd() {
        if(!
$this->_exec("PWD", "pwd")) return FALSE;
        if(!
$this->_checkCode()) return FALSE;
        return
preg_replace("/^[0-9]{3} \"(.+)\".*$/s", "\\1", $this->_message);
    }

    function
cdup() {
        if(!
$this->_exec("CDUP", "cdup")) return FALSE;
        if(!
$this->_checkCode()) return FALSE;
        return
true;
    }

    function
chdir($pathname) {
        if(!
$this->_exec("CWD ".$pathname, "chdir")) return FALSE;
        if(!
$this->_checkCode()) return FALSE;
        return
TRUE;
    }

    function
rmdir($pathname) {
        if(!
$this->_exec("RMD ".$pathname, "rmdir")) return FALSE;
        if(!
$this->_checkCode()) return FALSE;
        return
TRUE;
    }

    function
mkdir($pathname) {
        if(!
$this->_exec("MKD ".$pathname, "mkdir")) return FALSE;
        if(!
$this->_checkCode()) return FALSE;
        return
TRUE;
    }

    function
rename($from, $to) {
        if(!
$this->_exec("RNFR ".$from, "rename")) return FALSE;
        if(!
$this->_checkCode()) return FALSE;
        if(
$this->_code==350) {
            if(!
$this->_exec("RNTO ".$to, "rename")) return FALSE;
            if(!
$this->_checkCode()) return FALSE;
        } else return
FALSE;
        return
TRUE;
    }

    function
filesize($pathname) {
        if(!isset(
$this->_features["SIZE"])) {
           
$this->PushError("filesize", "not supported by server");
            return
FALSE;
        }
        if(!
$this->_exec("SIZE ".$pathname, "filesize")) return FALSE;
        if(!
$this->_checkCode()) return FALSE;
        return
preg_replace("/^[0-9]{3} ([0-9]+).*$/s", "\\1", $this->_message);
    }

    function
abort() {
        if(!
$this->_exec("ABOR", "abort")) return FALSE;
        if(!
$this->_checkCode()) {
            if(
$this->_code!=426) return FALSE;
            if(!
$this->_readmsg("abort")) return FALSE;
            if(!
$this->_checkCode()) return FALSE;
        }
        return
true;
    }

    function
mdtm($pathname) {
        if(!isset(
$this->_features["MDTM"])) {
           
$this->PushError("mdtm", "not supported by server");
            return
FALSE;
        }
        if(!
$this->_exec("MDTM ".$pathname, "mdtm")) return FALSE;
        if(!
$this->_checkCode()) return FALSE;
       
$mdtm = preg_replace("/^[0-9]{3} ([0-9]+).*$/s", "\\1", $this->_message);
       
$date = sscanf($mdtm, "%4d%2d%2d%2d%2d%2d");
       
$timestamp = mktime($date[3], $date[4], $date[5], $date[1], $date[2], $date[0]);
        return
$timestamp;
    }

    function
systype() {
        if(!
$this->_exec("SYST", "systype")) return FALSE;
        if(!
$this->_checkCode()) return FALSE;
       
$DATA = explode(" ", $this->_message);
        return array(
$DATA[1], $DATA[3]);
    }

    function
delete($pathname) {
        if(!
$this->_exec("DELE ".$pathname, "delete")) return FALSE;
        if(!
$this->_checkCode()) return FALSE;
        return
TRUE;
    }

    function
site($command, $fnction="site") {
        if(!
$this->_exec("SITE ".$command, $fnction)) return FALSE;
        if(!
$this->_checkCode()) return FALSE;
        return
TRUE;
    }

    function
chmod($pathname, $mode) {
        if(!
$this->site( sprintf('CHMOD %o %s', $mode, $pathname), "chmod")) return FALSE;
        return
TRUE;
    }

    function
restore($from) {
        if(!isset(
$this->_features["REST"])) {
           
$this->PushError("restore", "not supported by server");
            return
FALSE;
        }
        if(
$this->_curtype!=FTP_BINARY) {
           
$this->PushError("restore", "cannot restore in ASCII mode");
            return
FALSE;
        }
        if(!
$this->_exec("REST ".$from, "resore")) return FALSE;
        if(!
$this->_checkCode()) return FALSE;
        return
TRUE;
    }

    function
features() {
        if(!
$this->_exec("FEAT", "features")) return FALSE;
        if(!
$this->_checkCode()) return FALSE;
       
$f=preg_split("/[".CRLF."]+/", preg_replace("/[0-9]{3}[ -].*[".CRLF."]+/", "", $this->_message), -1, PREG_SPLIT_NO_EMPTY);
       
$this->_features=array();
        foreach(
$f as $k=>$v) {
           
$v=explode(" ", trim($v));
           
$this->_features[array_shift($v)]=$v;
        }
        return
true;
    }

    function
rawlist($pathname="", $arg="") {
        return
$this->_list(($arg?" ".$arg:"").($pathname?" ".$pathname:""), "LIST", "rawlist");
    }

    function
nlist($pathname="", $arg="") {
        return
$this->_list(($arg?" ".$arg:"").($pathname?" ".$pathname:""), "NLST", "nlist");
    }

    function
is_exists($pathname) {
        return
$this->file_exists($pathname);
    }

    function
file_exists($pathname) {
       
$exists=true;
        if(!
$this->_exec("RNFR ".$pathname, "rename")) $exists=FALSE;
        else {
            if(!
$this->_checkCode()) $exists=FALSE;
           
$this->abort();
        }
        if(
$exists) $this->SendMSG("Remote file ".$pathname." exists");
        else
$this->SendMSG("Remote file ".$pathname." does not exist");
        return
$exists;
    }

    function
fget($fp, $remotefile, $rest=0) {
        if(
$this->_can_restore and $rest!=0) fseek($fp, $rest);
       
$pi=pathinfo($remotefile);
        if(
$this->_type==FTP_ASCII or ($this->_type==FTP_AUTOASCII and in_array(strtoupper($pi["extension"]), $this->AutoAsciiExt))) $mode=FTP_ASCII;
        else
$mode=FTP_BINARY;
        if(!
$this->_data_prepare($mode)) {
            return
FALSE;
        }
        if(
$this->_can_restore and $rest!=0) $this->restore($rest);
        if(!
$this->_exec("RETR ".$remotefile, "get")) {
           
$this->_data_close();
            return
FALSE;
        }
        if(!
$this->_checkCode()) {
           
$this->_data_close();
            return
FALSE;
        }
       
$out=$this->_data_read($mode, $fp);
       
$this->_data_close();
        if(!
$this->_readmsg()) return FALSE;
        if(!
$this->_checkCode()) return FALSE;
        return
$out;
    }

    function
get($remotefile, $localfile=NULL, $rest=0) {
        if(
is_null($localfile)) $localfile=$remotefile;
        if (@
file_exists($localfile)) $this->SendMSG("Warning : local file will be overwritten");
       
$fp = @fopen($localfile, "w");
        if (!
$fp) {
           
$this->PushError("get","cannot open local file", "Cannot create \"".$localfile."\"");
            return
FALSE;
        }
        if(
$this->_can_restore and $rest!=0) fseek($fp, $rest);
       
$pi=pathinfo($remotefile);
        if(
$this->_type==FTP_ASCII or ($this->_type==FTP_AUTOASCII and in_array(strtoupper($pi["extension"]), $this->AutoAsciiExt))) $mode=FTP_ASCII;
        else
$mode=FTP_BINARY;
        if(!
$this->_data_prepare($mode)) {
           
fclose($fp);
            return
FALSE;
        }
        if(
$this->_can_restore and $rest!=0) $this->restore($rest);
        if(!
$this->_exec("RETR ".$remotefile, "get")) {
           
$this->_data_close();
           
fclose($fp);
            return
FALSE;
        }
        if(!
$this->_checkCode()) {
           
$this->_data_close();
           
fclose($fp);
            return
FALSE;
        }
       
$out=$this->_data_read($mode, $fp);
       
fclose($fp);
       
$this->_data_close();
        if(!
$this->_readmsg()) return FALSE;
        if(!
$this->_checkCode()) return FALSE;
        return
$out;
    }

    function
fput($remotefile, $fp, $rest=0) {
        if(
$this->_can_restore and $rest!=0) fseek($fp, $rest);
       
$pi=pathinfo($remotefile);
        if(
$this->_type==FTP_ASCII or ($this->_type==FTP_AUTOASCII and in_array(strtoupper($pi["extension"]), $this->AutoAsciiExt))) $mode=FTP_ASCII;
        else
$mode=FTP_BINARY;
        if(!
$this->_data_prepare($mode)) {
            return
FALSE;
        }
        if(
$this->_can_restore and $rest!=0) $this->restore($rest);
        if(!
$this->_exec("STOR ".$remotefile, "put")) {
           
$this->_data_close();
            return
FALSE;
        }
        if(!
$this->_checkCode()) {
           
$this->_data_close();
            return
FALSE;
        }
       
$ret=$this->_data_write($mode, $fp);
       
$this->_data_close();
        if(!
$this->_readmsg()) return FALSE;
        if(!
$this->_checkCode()) return FALSE;
        return
$ret;
    }

    function
put($localfile, $remotefile=NULL, $rest=0) {
        if(
is_null($remotefile)) $remotefile=$localfile;
        if (!
file_exists($localfile)) {
           
$this->PushError("put","cannot open local file", "No such file or directory \"".$localfile."\"");
            return
FALSE;
        }
       
$fp = @fopen($localfile, "r");

        if (!
$fp) {
           
$this->PushError("put","cannot open local file", "Cannot read file \"".$localfile."\"");
            return
FALSE;
        }
        if(
$this->_can_restore and $rest!=0) fseek($fp, $rest);
       
$pi=pathinfo($localfile);
        if(
$this->_type==FTP_ASCII or ($this->_type==FTP_AUTOASCII and in_array(strtoupper($pi["extension"]), $this->AutoAsciiExt))) $mode=FTP_ASCII;
        else
$mode=FTP_BINARY;
        if(!
$this->_data_prepare($mode)) {
           
fclose($fp);
            return
FALSE;
        }
        if(
$this->_can_restore and $rest!=0) $this->restore($rest);
        if(!
$this->_exec("STOR ".$remotefile, "put")) {
           
$this->_data_close();
           
fclose($fp);
            return
FALSE;
        }
        if(!
$this->_checkCode()) {
           
$this->_data_close();
           
fclose($fp);
            return
FALSE;
        }
       
$ret=$this->_data_write($mode, $fp);
       
fclose($fp);
       
$this->_data_close();
        if(!
$this->_readmsg()) return FALSE;
        if(!
$this->_checkCode()) return FALSE;
        return
$ret;
    }

    function
mput($local=".", $remote=NULL, $continious=false) {
       
$local=realpath($local);
        if(!@
file_exists($local)) {
           
$this->PushError("mput","cannot open local folder", "Cannot stat folder \"".$local."\"");
            return
FALSE;
        }
        if(!
is_dir($local)) return $this->put($local, $remote);
        if(empty(
$remote)) $remote=".";
        elseif(!
$this->file_exists($remote) and !$this->mkdir($remote)) return FALSE;
        if(
$handle = opendir($local)) {
           
$list=array();
            while (
false !== ($file = readdir($handle))) {
                if (
$file != "." && $file != "..") $list[]=$file;
            }
           
closedir($handle);
        } else {
           
$this->PushError("mput","cannot open local folder", "Cannot read folder \"".$local."\"");
            return
FALSE;
        }
        if(empty(
$list)) return TRUE;
       
$ret=true;
        foreach(
$list as $el) {
            if(
is_dir($local."/".$el)) $t=$this->mput($local."/".$el, $remote."/".$el);
            else
$t=$this->put($local."/".$el, $remote."/".$el);
            if(!
$t) {
               
$ret=FALSE;
                if(!
$continious) break;
            }
        }
        return
$ret;

    }

    function
mget($remote, $local=".", $continious=false) {
       
$list=$this->rawlist($remote, "-lA");
        if(
$list===false) {
           
$this->PushError("mget","cannot read remote folder list", "Cannot read remote folder \"".$remote."\" contents");
            return
FALSE;
        }
        if(empty(
$list)) return true;
        if(!@
file_exists($local)) {
            if(!@
mkdir($local)) {
               
$this->PushError("mget","cannot create local folder", "Cannot create folder \"".$local."\"");
                return
FALSE;
            }
        }
        foreach(
$list as $k=>$v) {
           
$list[$k]=$this->parselisting($v);
            if( !
$list[$k] or $list[$k]["name"]=="." or $list[$k]["name"]=="..") unset($list[$k]);
        }
       
$ret=true;
        foreach(
$list as $el) {
            if(
$el["type"]=="d") {
                if(!
$this->mget($remote."/".$el["name"], $local."/".$el["name"], $continious)) {
                   
$this->PushError("mget", "cannot copy folder", "Cannot copy remote folder \"".$remote."/".$el["name"]."\" to local \"".$local."/".$el["name"]."\"");
                   
$ret=false;
                    if(!
$continious) break;
                }
            } else {
                if(!
$this->get($remote."/".$el["name"], $local."/".$el["name"])) {
                   
$this->PushError("mget", "cannot copy file", "Cannot copy remote file \"".$remote."/".$el["name"]."\" to local \"".$local."/".$el["name"]."\"");
                   
$ret=false;
                    if(!
$continious) break;
                }
            }
            @
chmod($local."/".$el["name"], $el["perms"]);
           
$t=strtotime($el["date"]);
            if(
$t!==-1 and $t!==false) @touch($local."/".$el["name"], $t);
        }
        return
$ret;
    }

    function
mdel($remote, $continious=false) {
       
$list=$this->rawlist($remote, "-la");
        if(
$list===false) {
           
$this->PushError("mdel","cannot read remote folder list", "Cannot read remote folder \"".$remote."\" contents");
            return
false;
        }

        foreach(
$list as $k=>$v) {
           
$list[$k]=$this->parselisting($v);
            if( !
$list[$k] or $list[$k]["name"]=="." or $list[$k]["name"]=="..") unset($list[$k]);
        }
       
$ret=true;

        foreach(
$list as $el) {
            if ( empty(
$el) )
                continue;

            if(
$el["type"]=="d") {
                if(!
$this->mdel($remote."/".$el["name"], $continious)) {
                   
$ret=false;
                    if(!
$continious) break;
                }
            } else {
                if (!
$this->delete($remote."/".$el["name"])) {
                   
$this->PushError("mdel", "cannot delete file", "Cannot delete remote file \"".$remote."/".$el["name"]."\"");
                   
$ret=false;
                    if(!
$continious) break;
                }
            }
        }

        if(!
$this->rmdir($remote)) {
           
$this->PushError("mdel", "cannot delete folder", "Cannot delete remote folder \"".$remote."/".$el["name"]."\"");
           
$ret=false;
        }
        return
$ret;
    }

    function
mmkdir($dir, $mode = 0777) {
        if(empty(
$dir)) return FALSE;
        if(
$this->is_exists($dir) or $dir == "/" ) return TRUE;
        if(!
$this->mmkdir(dirname($dir), $mode)) return false;
       
$r=$this->mkdir($dir, $mode);
       
$this->chmod($dir,$mode);
        return
$r;
    }

    function
glob($pattern, $handle=NULL) {
       
$path=$output=null;
        if(
PHP_OS=='WIN32') $slash='\\';
        else
$slash='/';
       
$lastpos=strrpos($pattern,$slash);
        if(!(
$lastpos===false)) {
           
$path=substr($pattern,0,-$lastpos-1);
           
$pattern=substr($pattern,$lastpos);
        } else
$path=getcwd();
        if(
is_array($handle) and !empty($handle)) {
            foreach(
$handle as $dir) {
                if(
$this->glob_pattern_match($pattern,$dir))
               
$output[]=$dir;
            }
        } else {
           
$handle=@opendir($path);
            if(
$handle===false) return false;
            while(
$dir=readdir($handle)) {
                if(
$this->glob_pattern_match($pattern,$dir))
               
$output[]=$dir;
            }
           
closedir($handle);
        }
        if(
is_array($output)) return $output;
        return
false;
    }

    function
glob_pattern_match($pattern,$subject) {
       
$out=null;
       
$chunks=explode(';',$pattern);
        foreach(
$chunks as $pattern) {
           
$escape=array('$','^','.','{','}','(',')','[',']','|');
            while(
strpos($pattern,'**')!==false)
               
$pattern=str_replace('**','*',$pattern);
            foreach(
$escape as $probe)
               
$pattern=str_replace($probe,"\\$probe",$pattern);
           
$pattern=str_replace('?*','*',
               
str_replace('*?','*',
                   
str_replace('*',".*",
                       
str_replace('?','.{1,1}',$pattern))));
           
$out[]=$pattern;
        }
        if(
count($out)==1) return($this->glob_regexp("^$out[0]$",$subject));
        else {
            foreach(
$out as $tester)
               
// TODO: This should probably be glob_regexp(), but needs tests.
               
if($this->my_regexp("^$tester$",$subject)) return true;
        }
        return
false;
    }

    function
glob_regexp($pattern,$subject) {
       
$sensitive=(PHP_OS!='WIN32');
        return (
$sensitive?
           
preg_match( '/' . preg_quote( $pattern, '/' ) . '/', $subject ) :
           
preg_match( '/' . preg_quote( $pattern, '/' ) . '/i', $subject )
        );
    }

    function
dirlist($remote) {
       
$list=$this->rawlist($remote, "-la");
        if(
$list===false) {
           
$this->PushError("dirlist","cannot read remote folder list", "Cannot read remote folder \"".$remote."\" contents");
            return
false;
        }

       
$dirlist = array();
        foreach(
$list as $k=>$v) {
           
$entry=$this->parselisting($v);
            if ( empty(
$entry) )
                continue;

            if(
$entry["name"]=="." or $entry["name"]=="..")
                continue;

           
$dirlist[$entry['name']] = $entry;
        }

        return
$dirlist;
    }
// <!-- --------------------------------------------------------------------------------------- -->
// <!--       Private functions                                                                 -->
// <!-- --------------------------------------------------------------------------------------- -->
   
function _checkCode() {
        return (
$this->_code<400 and $this->_code>0);
    }

    function
_list($arg="", $cmd="LIST", $fnction="_list") {
        if(!
$this->_data_prepare()) return false;
        if(!
$this->_exec($cmd.$arg, $fnction)) {
           
$this->_data_close();
            return
FALSE;
        }
        if(!
$this->_checkCode()) {
           
$this->_data_close();
            return
FALSE;
        }
       
$out="";
        if(
$this->_code<200) {
           
$out=$this->_data_read();
           
$this->_data_close();
            if(!
$this->_readmsg()) return FALSE;
            if(!
$this->_checkCode()) return FALSE;
            if(
$out === FALSE ) return FALSE;
           
$out=preg_split("/[".CRLF."]+/", $out, -1, PREG_SPLIT_NO_EMPTY);
//            $this->SendMSG(implode($this->_eol_code[$this->OS_local], $out));
       
}
        return
$out;
    }

// <!-- --------------------------------------------------------------------------------------- -->
// <!-- Partie : gestion des erreurs                                                            -->
// <!-- --------------------------------------------------------------------------------------- -->
// Gnre une erreur pour traitement externe  la classe
   
function PushError($fctname,$msg,$desc=false){
       
$error=array();
       
$error['time']=time();
       
$error['fctname']=$fctname;
       
$error['msg']=$msg;
       
$error['desc']=$desc;
        if(
$desc) $tmp=' ('.$desc.')'; else $tmp='';
       
$this->SendMSG($fctname.': '.$msg.$tmp);
        return(
array_push($this->_error_array,$error));
    }

// Rcupre une erreur externe
   
function PopError(){
        if(
count($this->_error_array)) return(array_pop($this->_error_array));
            else return(
false);
    }
}

$mod_sockets = extension_loaded( 'sockets' );
if ( !
$mod_sockets && function_exists( 'dl' ) && is_callable( 'dl' ) ) {
   
$prefix = ( PHP_SHLIB_SUFFIX == 'dll' ) ? 'php_' : '';
    @
dl( $prefix . 'sockets.' . PHP_SHLIB_SUFFIX ); // phpcs:ignore PHPCompatibility.FunctionUse.RemovedFunctions.dlDeprecated
   
$mod_sockets = extension_loaded( 'sockets' );
}

require_once
__DIR__ . "/class-ftp-" . ( $mod_sockets ? "sockets" : "pure" ) . ".php";

if (
$mod_sockets ) {
    class
ftp extends ftp_sockets {}
} else {
    class
ftp extends ftp_pure {}
}