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PlexShare/fuel/core/classes/ftp.php

652 lines
14 KiB

<?php
/**
* Part of the Fuel framework.
*
* @package Fuel
* @version 1.8
* @author Fuel Development Team
* @license MIT License
* @copyright 2010 - 2016 Fuel Development Team
* @link http://fuelphp.com
*/
namespace Fuel\Core;
class FtpConnectionException extends \FuelException {}
class FtpFileAccessException extends \FuelException {}
/**
* FTP Class
*
* @package Fuel
* @category Core
* @author Phil Sturgeon
* @link http://docs.fuelphp.com/classes/ftp.html
*/
class Ftp
{
public static $initialized = false;
protected $_hostname = 'localhost';
protected $_username = '';
protected $_password = '';
protected $_port = 21;
protected $_timeout = 90;
protected $_passive = true;
protected $_debug = false;
protected $_conn_id = false;
/**
* Returns a new Ftp object. If you do not define the "file" parameter,
*
* $ftp = static::forge('group');
*
* @param string|array $config The name of the config group to use, or a configuration array.
* @param bool $connect Automatically connect to this server.
* @return Ftp
*/
public static function forge($config = 'default', $connect = true)
{
$ftp = new static($config);
// Unless told not to, connect automatically
$connect === true and $ftp->connect();
return $ftp;
}
/**
* Sets the initial Ftp filename and local data.
*
* @param string|array $config The name of the config group to use, or a configuration array.
*/
public function __construct($config = 'default')
{
\Config::load('ftp', true);
// If it is a string we're looking at a predefined config group
if (is_string($config))
{
$config_arr = \Config::get('ftp.'.$config);
// Check that it exists
if ( ! is_array($config_arr) or $config_arr === array())
{
throw new \UnexpectedValueException('You have specified an invalid ftp connection group: '.$config);
}
$config = $config_arr;
}
// Prep the hostname
$this->_hostname = preg_replace('|.+?://|', '', $config['hostname']);
$this->_username = $config['username'];
$this->_password = $config['password'];
$this->_timeout = ! empty($config['timeout']) ? (int) $config['timeout'] : 90;
$this->_port = ! empty($config['port']) ? (int) $config['port'] : 21;
$this->_passive = (bool) $config['passive'];
$this->_ssl_mode = (bool) $config['ssl_mode'];
$this->_debug = (bool) $config['debug'];
static::$initialized = true;
}
// --------------------------------------------------------------------
/**
* FTP Connect
*
* @return \Ftp
* @throws \FtpConnectionException
*/
public function connect()
{
if($this->_ssl_mode === true)
{
if( ! function_exists('ftp_ssl_connect'))
{
throw new \RuntimeException('ftp_ssl_connect() function is missing.');
}
$this->_conn_id = @ftp_ssl_connect($this->_hostname, $this->_port, $this->_timeout);
}
else
{
$this->_conn_id = @ftp_connect($this->_hostname, $this->_port, $this->_timeout);
}
if ($this->_conn_id === false)
{
if ($this->_debug == true)
{
throw new \FtpConnectionException('Unable to establish a connection');
}
return false;
}
if ( ! $this->_login())
{
if ($this->_debug == true)
{
throw new \FtpConnectionException('Unable to login');
}
}
// Set passive mode if needed
if ($this->_passive == true)
{
ftp_pasv($this->_conn_id, true);
}
return $this;
}
// --------------------------------------------------------------------
/**
* FTP Login
*
* @return bool
*/
protected function _login()
{
return @ftp_login($this->_conn_id, $this->_username, $this->_password);
}
// --------------------------------------------------------------------
/**
* Validates the connection ID
*
* @return bool
*/
protected function _is_conn()
{
if ( ! is_resource($this->_conn_id))
{
if ($this->_debug == true)
{
throw new \InvalidArgumentException('Invalid 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.
*
* @param string $path
* @return bool
* @throws \FtpFileAccessException
*/
public function change_dir($path = '')
{
if ($path == '' or ! $this->_is_conn())
{
return false;
}
$result = @ftp_chdir($this->_conn_id, $path);
if ($result === false)
{
if ($this->_debug == true)
{
throw new \FtpFileAccessException('Unable to change the directory');
}
return false;
}
return true;
}
// --------------------------------------------------------------------
/**
* Create a directory
*
* @param string $path
* @param string $permissions
* @return bool
* @throws \FtpFileAccessException
*/
public function mkdir($path, $permissions = null)
{
if ( ! $this->_is_conn())
{
return false;
}
$result = ftp_mkdir($this->_conn_id, $path);
if ($result === false)
{
if ($this->_debug == true)
{
throw new \FtpFileAccessException('Unable to create directory');
}
return false;
}
// Set file permissions if needed
if ($permissions !== null)
{
$this->chmod($path, (int) $permissions);
}
return true;
}
// --------------------------------------------------------------------
/**
* Upload a file to the server
*
* @param string $local_path
* @param string $remote_path
* @param string $mode
* @param string $permissions
* @return bool
* @throws \FtpFileAccessException
*/
public function upload($local_path, $remote_path, $mode = 'auto', $permissions = null)
{
if ( ! $this->_is_conn())
{
return false;
}
if ( ! is_file($local_path))
{
throw new \FtpFileAccessException('No source file');
}
// Set the mode if not specified
if ($mode == 'auto')
{
// Get the file extension so we can set the upload type
$ext = pathinfo($local_path, PATHINFO_EXTENSION);
$mode = $this->_settype($ext);
}
$mode = ($mode == 'ascii') ? FTP_ASCII : FTP_BINARY;
$result = @ftp_put($this->_conn_id, $remote_path, $local_path, $mode);
if ($result === false)
{
if ($this->_debug == true)
{
throw new \FtpFileAccessException('Unable to upload');
}
return false;
}
// Set file permissions if needed
if ($permissions !== null)
{
$this->chmod($remote_path, (int) $permissions);
}
return true;
}
// --------------------------------------------------------------------
/**
* Download a file from a remote server to the local server
*
* @param string $remote_path
* @param string $local_path
* @param string $mode
* @return bool
* @throws \FtpFileAccessException
*/
public function download($remote_path, $local_path, $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
$ext = pathinfo($remote_path, PATHINFO_BASENAME);
$mode = $this->_settype($ext);
}
$mode = ($mode == 'ascii') ? FTP_ASCII : FTP_BINARY;
$result = @ftp_get($this->_conn_id, $local_path, $remote_path, $mode);
if ($result === false)
{
if ($this->_debug === true)
{
throw new \FtpFileAccessException('Unable to download');
}
return false;
}
return true;
}
// --------------------------------------------------------------------
/**
* Rename (or move) a file
*
* @param $old_file string
* @param $new_file string
* @param $move bool
* @return bool
* @throws \FtpFileAccessException
*/
public function rename($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) ? 'Unable to rename' : 'Unable to move';
throw new \FtpFileAccessException($msg);
}
return false;
}
return true;
}
// --------------------------------------------------------------------
/**
* Move a file
*
* @param string $old_file
* @param string $new_file
* @return bool
*/
public function move($old_file, $new_file)
{
return $this->rename($old_file, $new_file, true);
}
// --------------------------------------------------------------------
/**
* Rename (or move) a file
*
* @param string $filepath
* @return bool
* @throws \FtpFileAccessException
*/
function delete_file($filepath)
{
if ( ! $this->_is_conn())
{
return false;
}
$result = @ftp_delete($this->_conn_id, $filepath);
if ($result === false)
{
if ($this->_debug == true)
{
throw new \FtpFileAccessException('Unable to delete');
}
return false;
}
return true;
}
// --------------------------------------------------------------------
/**
* Delete a folder and recursively delete everything (including sub-folders)
* contained within it.
*
* @param string $filepath
* @return bool
* @throws \FtpFileAccessException
*/
function delete_dir($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, $item))
{
// don't recurse into current of parent directory
if ( ! preg_match('/\/\.\.|\/\.$/', $item))
{
$this->delete_dir($item);
}
}
}
}
$result = @ftp_rmdir($this->_conn_id, $filepath);
if ($result === false)
{
if ($this->_debug == true)
{
throw new \FtpFileAccessException('Unable to delete');
}
return false;
}
return true;
}
// --------------------------------------------------------------------
/**
* Set file permissions
*
* @param string $path the file path
* @param string $permissions the permissions
* @return bool
* @throws \FtpFileAccessException
*/
public function chmod($path, $permissions)
{
if ( ! $this->_is_conn())
{
return false;
}
// Permissions can only be set when running PHP 5
if ( ! function_exists('ftp_chmod'))
{
if ($this->_debug == true)
{
throw new \FtpFileAccessException('CHMOD function does not exist');
}
return false;
}
$result = @ftp_chmod($this->_conn_id, $permissions, $path);
if ($result === false)
{
if ($this->_debug == true)
{
throw new \FtpFileAccessException('Unable to CHMOD');
}
return false;
}
return true;
}
// --------------------------------------------------------------------
/**
* FTP List files in the specified directory
*
* @param string $path
* @return array
*/
public function list_files($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.
*
* @param string $local_path path to source with trailing slash
* @param string $remote_path path to destination - include the base folder with trailing slash
* @return bool
*/
public function mirror($local_path, $remote_path)
{
if ( ! $this->_is_conn())
{
return false;
}
// Open the local file path
if ($fp = @opendir($local_path))
{
// Attempt to open the remote file path.
if ( ! $this->change_dir($remote_path, true))
{
// If it doesn't exist we'll attempt to create the directory
if ( ! $this->mkdir($remote_path) or ! $this->change_dir($remote_path))
{
return false;
}
}
// Recursively read the local directory
while (false !== ($file = readdir($fp)))
{
if (@is_dir($local_path.$file) and substr($file, 0, 1) != '.')
{
$this->mirror($local_path.$file."/", $remote_path.$file."/");
}
elseif (substr($file, 0, 1) != ".")
{
// Get the file extension so we can se the upload type
$ext = pathinfo($file, PATHINFO_EXTENSION);
$mode = $this->_settype($ext);
$this->upload($local_path.$file, $remote_path.$file, $mode);
}
}
return true;
}
return false;
}
// --------------------------------------------------------------------
/**
* Set the upload type
*
* @param string $ext
* @return string
*/
protected function _settype($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
*
* @return void
*/
public function close()
{
if ( ! $this->_is_conn())
{
return false;
}
@ftp_close($this->_conn_id);
}
// ------------------------------------------------------------------------
/**
* Close the connection when the class is unset
*
* @return void
*/
public function __destruct()
{
$this->close();
}
}