<?php

    /**********************************************************************
     *
     *  CLASS: ftp
     *
     **********************************************************************
     *
     *  AUTHORS / CONTACT:
     *
     *    Markus Frosch             abraxax@gmx.li
     *                              http://www.fehlercodes.de
     *
     **********************************************************************
     *
     *  VERSION: 0.1
     *
     **********************************************************************
     *
     *  Created       : 18.05.2003 21:26
     *  Last Modified : 18.05.2003 22:49
     *
     **********************************************************************
     *
     *  HOW TO USE
     *
     *  $ftpdata["server"] = ""; // ip or servername
     *  $ftpdata["user"]   = ""; // username
     *  $ftpdata["pass"]   = ""; // password
     *
     *  $ft = new ftp($ftpdata); // class init
     *  $ftp_files = $ft->get_ftp_list(); // read list
     *  print_r($ftp_files); // easy example to output list
     *
     **********************************************************************
     *
     */
    class ftp
    {

        var $_ftp_data     = array(); // server and login
        var $_conn_id      = "";      // connection id
        var $_ftp_possible = false;   // ftp possible
        var $_ftp_ok       = false;   // ftp login ok
        var $_ftp_list     = array(); // ftp list of all directories and files incl. filesize


        /**
          *  CONTRUCTOR
          */
        function ftp($ftpdata)
        {
            $this->_ftp_data = $ftpdata;
            $this->_if_ftp_possible();
            $this->_connect_to_ftp();
        }


        /**
          *  PRIVATE - Teste ob überhaupt ein Connect auf Port 21 möglich ist.
          */
        function _if_ftp_possible()
        {
            if($fp = @fsockopen ($this->_ftp_data["server"], 21, $errno, $errstr, 3))
            {
                fclose($fp);
                $this->_ftp_possible = true;
            }
            else
            {
                $this->_ftp_possible = false;
            }
        }


        /**
          *  PRIVATE - Connect to FTP
          */
        function _connect_to_ftp()
        {
            if ($this->_ftp_possible)
            {
                $this->_conn_id = ftp_connect($this->_ftp_data["server"]);
                $conn_ok = @ftp_login($this->_conn_id, $this->_ftp_data["user"], $this->_ftp_data["pass"]);
                $this->_ftp_ok = ($conn_ok) ? true : false;
            }
        }


        /**
          *  PRIVATE - Read the files
          */
        function _get_dirs_files ($path="/")
        {
            if ($this->_ftp_ok)
            {
                if ($contents = ftp_rawlist($this->_conn_id, $path))
                {
                    foreach( $contents as $key => $filedir)
                    {
                        $item = split("[ ]+",$contents[$key],9);
                        if(ereg("^d(.*)",$item[0]))
                            $this->_get_dirs_files($path.$item[8]."/");
                        else
                            $this->_ftp_list[$path][] = array("name" => $item[8], "size" => $item[4]);
                    } // foreach
                } // if contents
                else
                {
                    $this->_ftp_list[$path] = "no files found";
                }
            } // if ok
        } // get_dirs_files


        /**
          *  Return a list of ftp directories and files
          */
        function get_ftp_list($path="/")
        {
            if ($this->_ftp_ok)
            {
                $this->_ftp_list = array(); // remove possible old data
                $this->_get_dirs_files($path);
                return $this->_ftp_list;
            }
            return false;
        }


    } // class

    /**************************************************************/

?>