<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * @package CodeIgniter * @author ExpressionEngine Dev Team * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. * @license http://codeigniter.com/user_guide/license.html * @link http://codeigniter.com * @since Version 1.0 * @filesource */ // ------------------------------------------------------------------------ /** * FTP Class * * @package CodeIgniter * @subpackage Libraries * @category Libraries * @author ExpressionEngine Dev Team * @link http://codeigniter.com/user_guide/libraries/ftp.html */ class CI_FTP { var $hostname = ''; var $username = ''; var $password = ''; var $port = 21; var $passive = TRUE; var $debug = FALSE; var $conn_id = FALSE; /** * Constructor - Sets Preferences * * The constructor can be passed an array of config values */ public function __construct($config = array()) { if (count($config) > 0) { $this->initialize($config); } log_message('debug', "FTP Class Initialized"); } // -------------------------------------------------------------------- /** * Initialize preferences * * @access public * @param array * @return void */ function initialize($config = array()) { foreach ($config as $key => $val) { if (isset($this->$key)) { $this->$key = $val; } } // Prep the hostname $this->hostname = preg_replace('|.+?://|', '', $this->hostname); } // -------------------------------------------------------------------- /** * FTP Connect * * @access public * @param array the connection values * @return bool */ function connect($config = array()) { if (count($config) > 0) { $this->initialize($config); } if (FALSE === ($this->conn_id = @ftp_connect($this->hostname, $this->port))) { if ($this->debug == TRUE) { $this->_error('ftp_unable_to_connect'); } return FALSE; } if ( ! $this->_login()) { if ($this->debug == TRUE) { $this->_error('ftp_unable_to_login'); } return FALSE; } // Set passive mode if needed if ($this->passive == TRUE) { ftp_pasv($this->conn_id, TRUE); } return TRUE; } // -------------------------------------------------------------------- /** * FTP Login * * @access private * @return bool */ function _login() { return @ftp_login($this->conn_id, $this->username, $this->password); } // -------------------------------------------------------------------- /** * Validates the connection ID * * @access private * @return bool */ function _is_conn() { if ( ! is_resource($this->conn_id)) { if ($this->debug == TRUE) { $this->_error('ftp_no_connection'); } return FALSE; } return TRUE; } // -------------------------------------------------------------------- /** * Change directory * * The second parameter lets us momentarily turn off debugging so that * this function can be used to test for the existence of a folder * without throwing an error. There's no FTP equivalent to is_dir() * so we do it by trying to change to a particular directory. * Internally, this parameter is only used by the "mirror" function below. * * @access public * @param string * @param bool * @return bool */ function changedir($path = '', $supress_debug = FALSE) { if ($path == '' OR ! $this->_is_conn()) { return FALSE; } $result = @ftp_chdir($this->conn_id, $path); if ($result === FALSE) { if ($this->debug == TRUE AND $supress_debug == FALSE) { $this->_error('ftp_unable_to_changedir'); } return FALSE; } return TRUE; } // -------------------------------------------------------------------- /** * Create a directory * * @access public * @param string * @return bool */ function mkdir($path = '', $permissions = NULL) { if ($path == '' OR ! $this->_is_conn()) { return FALSE; } $result = @ftp_mkdir($this->conn_id, $path); if ($result === FALSE) { if ($this->debug == TRUE) { $this->_error('ftp_unable_to_makdir'); } return FALSE; } // Set file permissions if needed if ( ! is_null($permissions)) { $this->chmod($path, (int)$permissions); } return TRUE; } // -------------------------------------------------------------------- /** * Upload a file to the server * * @access public * @param string * @param string * @param string * @return bool */ function upload($locpath, $rempath, $mode = 'auto', $permissions = NULL) { if ( ! $this->_is_conn()) { return FALSE; } if ( ! file_exists($locpath)) { $this->_error('ftp_no_source_file'); return FALSE; } // Set the mode if not specified if ($mode == 'auto') { // Get the file extension so we can set the upload type $ext = $this->_getext($locpath); $mode = $this->_settype($ext); } $mode = ($mode == 'ascii') ? FTP_ASCII : FTP_BINARY; $result = @ftp_put($this->conn_id, $rempath, $locpath, $mode); if ($result === FALSE) { if ($this->debug == TRUE) { $this->_error('ftp_unable_to_upload'); } return FALSE; } // Set file permissions if needed if ( ! is_null($permissions)) { $this->chmod($rempath, (int)$permissions); } return TRUE; } // -------------------------------------------------------------------- /** * Download a file from a remote server to the local server * * @access public * @param string * @param string * @param string * @return bool */ function download($rempath, $locpath, $mode = 'auto') { if ( ! $this->_is_conn()) { return FALSE; } // Set the mode if not specified if ($mode == 'auto') { // Get the file extension so we can set the upload type $ext = $this->_getext($rempath); $mode = $this->_settype($ext); } $mode = ($mode == 'ascii') ? FTP_ASCII : FTP_BINARY; $result = @ftp_get($this->conn_id, $locpath, $rempath, $mode); if ($result === FALSE) { if ($this->debug == TRUE) { $this->_error('ftp_unable_to_download'); } return FALSE; } return TRUE; } // -------------------------------------------------------------------- /** * Rename (or move) a file * * @access public * @param string * @param string * @param bool * @return bool */ function rename($old_file, $new_file, $move = FALSE) { if ( ! $this->_is_conn()) { return FALSE; } $result = @ftp_rename($this->conn_id, $old_file, $new_file); if ($result === FALSE) { if ($this->debug == TRUE) { $msg = ($move == FALSE) ? 'ftp_unable_to_rename' : 'ftp_unable_to_move'; $this->_error($msg); } return FALSE; } return TRUE; } // -------------------------------------------------------------------- /** * Move a file * * @access public * @param string * @param string * @return bool */ function move($old_file, $new_file) { return $this->rename($old_file, $new_file, TRUE); } // -------------------------------------------------------------------- /** * Rename (or move) a file * * @access public * @param string * @return bool */ function delete_file($filepath) { if ( ! $this->_is_conn()) { return FALSE; } $result = @ftp_delete($this->conn_id, $filepath); if ($result === FALSE) { if ($this->debug == TRUE) { $this->_error('ftp_unable_to_delete'); } return FALSE; } return TRUE; } // -------------------------------------------------------------------- /** * Delete a folder and recursively delete everything (including sub-folders) * containted within it. * * @access public * @param string * @return bool */ function delete_dir($filepath) { if ( ! $this->_is_conn()) { return FALSE; } // Add a trailing slash to the file path if needed $filepath = preg_replace("/(.+?)\/*$/", "\\1/", $filepath); $list = $this->list_files($filepath); if ($list !== FALSE AND count($list) > 0) { foreach ($list as $item) { // If we can't delete the item it's probaly a folder so // we'll recursively call delete_dir() if ( ! @ftp_delete($this->conn_id, $item)) { $this->delete_dir($item); } } } $result = @ftp_rmdir($this->conn_id, $filepath); if ($result === FALSE) { if ($this->debug == TRUE) { $this->_error('ftp_unable_to_delete'); } return FALSE; } return TRUE; } // -------------------------------------------------------------------- /** * Set file permissions * * @access public * @param string the file path * @param string the permissions * @return bool */ function chmod($path, $perm) { if ( ! $this->_is_conn()) { return FALSE; } // Permissions can only be set when running PHP 5 if ( ! function_exists('ftp_chmod')) { if ($this->debug == TRUE) { $this->_error('ftp_unable_to_chmod'); } return FALSE; } $result = @ftp_chmod($this->conn_id, $perm, $path); if ($result === FALSE) { if ($this->debug == TRUE) { $this->_error('ftp_unable_to_chmod'); } return FALSE; } return TRUE; } // -------------------------------------------------------------------- /** * FTP List files in the specified directory * * @access public * @return array */ function list_files($path = '.') { if ( ! $this->_is_conn()) { return FALSE; } return ftp_nlist($this->conn_id, $path); } // ------------------------------------------------------------------------ /** * Read a directory and recreate it remotely * * This function recursively reads a folder and everything it contains (including * sub-folders) and creates a mirror via FTP based on it. Whatever the directory structure * of the original file path will be recreated on the server. * * @access public * @param string path to source with trailing slash * @param string path to destination - include the base folder with trailing slash * @return bool */ function mirror($locpath, $rempath) { if ( ! $this->_is_conn()) { return FALSE; } // Open the local file path if ($fp = @opendir($locpath)) { // Attempt to open the remote file path. if ( ! $this->changedir($rempath, TRUE)) { // If it doesn't exist we'll attempt to create the direcotory if ( ! $this->mkdir($rempath) OR ! $this->changedir($rempath)) { return FALSE; } } // Recursively read the local directory while (FALSE !== ($file = readdir($fp))) { if (@is_dir($locpath.$file) && substr($file, 0, 1) != '.') { $this->mirror($locpath.$file."/", $rempath.$file."/"); } elseif (substr($file, 0, 1) != ".") { // Get the file extension so we can se the upload type $ext = $this->_getext($file); $mode = $this->_settype($ext); $this->upload($locpath.$file, $rempath.$file, $mode); } } return TRUE; } return FALSE; } // -------------------------------------------------------------------- /** * Extract the file extension * * @access private * @param string * @return string */ function _getext($filename) { if (FALSE === strpos($filename, '.')) { return 'txt'; } $x = explode('.', $filename); return end($x); } // -------------------------------------------------------------------- /** * Set the upload type * * @access private * @param string * @return string */ function _settype($ext) { $text_types = array( 'txt', 'text', 'php', 'phps', 'php4', 'js', 'css', 'htm', 'html', 'phtml', 'shtml', 'log', 'xml' ); return (in_array($ext, $text_types)) ? 'ascii' : 'binary'; } // ------------------------------------------------------------------------ /** * Close the connection * * @access public * @param string path to source * @param string path to destination * @return bool */ function close() { if ( ! $this->_is_conn()) { return FALSE; } @ftp_close($this->conn_id); } // ------------------------------------------------------------------------ /** * Display error message * * @access private * @param string * @return bool */ function _error($line) { $CI =& get_instance(); $CI->lang->load('ftp'); show_error($CI->lang->line($line)); } } // END FTP Class /* End of file Ftp.php */ /* Location: ./system/libraries/Ftp.php */ SIMPAN PERUBAHAN