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+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author ExpressionEngine Dev Team
+ * @copyright Copyright (c) 2008 - 2009, 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 $conn_id = FALSE;
+
+
+ /**
+ * Constructor - Sets Preferences
+ *
+ * The constructor can be passed an array of config values
+ */
+ function CI_FTP($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)$permissions);
+ }
+
+ return TRUE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Rename (or move) a file
+ *
+ * @access public
+ * @param string
+ * @param string
+ * @param bool
+ * @return bool
+ */
+ function rename($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 */ \ No newline at end of file
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