WordPress/wp-admin/includes/class-wp-filesystem-ftpsockets.php

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<?php
/**
* WordPress FTP Sockets Filesystem.
*
* @package WordPress
* @subpackage Filesystem
*/
/**
* WordPress Filesystem Class for implementing FTP Sockets.
*
* @since 2.5.0
* @package WordPress
* @subpackage Filesystem
* @uses WP_Filesystem_Base Extends class
*/
class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {
public $ftp = false;
public $errors = null;
public $options = array();
public function __construct($opt = '') {
$this->method = 'ftpsockets';
$this->errors = new WP_Error();
// Check if possible to use ftp functions.
if ( ! @include_once( ABSPATH . 'wp-admin/includes/class-ftp.php' ) ) {
return false;
}
$this->ftp = new ftp();
if ( empty($opt['port']) )
$this->options['port'] = 21;
else
$this->options['port'] = $opt['port'];
if ( empty($opt['hostname']) )
$this->errors->add('empty_hostname', __('FTP hostname is required'));
else
$this->options['hostname'] = $opt['hostname'];
if ( ! empty($opt['base']) )
$this->wp_base = $opt['base'];
// Check if the options provided are OK.
if ( empty ($opt['username']) )
$this->errors->add('empty_username', __('FTP username is required'));
else
$this->options['username'] = $opt['username'];
if ( empty ($opt['password']) )
$this->errors->add('empty_password', __('FTP password is required'));
else
$this->options['password'] = $opt['password'];
}
public function connect() {
if ( ! $this->ftp )
return false;
$this->ftp->setTimeout(FS_CONNECT_TIMEOUT);
if ( ! $this->ftp->SetServer($this->options['hostname'], $this->options['port']) ) {
$this->errors->add('connect', sprintf(__('Failed to connect to FTP Server %1$s:%2$s'), $this->options['hostname'], $this->options['port']));
return false;
}
if ( ! $this->ftp->connect() ) {
$this->errors->add('connect', sprintf(__('Failed to connect to FTP Server %1$s:%2$s'), $this->options['hostname'], $this->options['port']));
return false;
}
if ( ! $this->ftp->login($this->options['username'], $this->options['password']) ) {
$this->errors->add('auth', sprintf(__('Username/Password incorrect for %s'), $this->options['username']));
return false;
}
$this->ftp->SetType( FTP_BINARY );
$this->ftp->Passive( true );
$this->ftp->setTimeout( FS_TIMEOUT );
return true;
}
public function get_contents( $file ) {
if ( ! $this->exists($file) )
return false;
$temp = wp_tempnam( $file );
if ( ! $temphandle = fopen($temp, 'w+') )
return false;
mbstring_binary_safe_encoding();
if ( ! $this->ftp->fget($temphandle, $file) ) {
fclose($temphandle);
unlink($temp);
reset_mbstring_encoding();
return ''; // Blank document, File does exist, It's just blank.
}
reset_mbstring_encoding();
fseek( $temphandle, 0 ); // Skip back to the start of the file being written to
$contents = '';
while ( ! feof($temphandle) )
$contents .= fread($temphandle, 8192);
fclose($temphandle);
unlink($temp);
return $contents;
}
public function get_contents_array($file) {
return explode("\n", $this->get_contents($file) );
}
public function put_contents($file, $contents, $mode = false ) {
$temp = wp_tempnam( $file );
if ( ! $temphandle = @fopen($temp, 'w+') ) {
unlink($temp);
return false;
}
// The FTP class uses string functions internally during file download/upload
mbstring_binary_safe_encoding();
$bytes_written = fwrite( $temphandle, $contents );
if ( false === $bytes_written || $bytes_written != strlen( $contents ) ) {
fclose( $temphandle );
unlink( $temp );
reset_mbstring_encoding();
return false;
}
fseek( $temphandle, 0 ); // Skip back to the start of the file being written to
$ret = $this->ftp->fput($file, $temphandle);
reset_mbstring_encoding();
fclose($temphandle);
unlink($temp);
$this->chmod($file, $mode);
return $ret;
}
public function cwd() {
$cwd = $this->ftp->pwd();
if ( $cwd )
$cwd = trailingslashit($cwd);
return $cwd;
}
public function chdir($file) {
return $this->ftp->chdir($file);
}
public function chgrp($file, $group, $recursive = false ) {
return false;
}
public function chmod($file, $mode = false, $recursive = false ) {
if ( ! $mode ) {
if ( $this->is_file($file) )
$mode = FS_CHMOD_FILE;
elseif ( $this->is_dir($file) )
$mode = FS_CHMOD_DIR;
else
return false;
}
// chmod any sub-objects if recursive.
if ( $recursive && $this->is_dir($file) ) {
$filelist = $this->dirlist($file);
foreach ( (array)$filelist as $filename => $filemeta )
$this->chmod($file . '/' . $filename, $mode, $recursive);
}
// chmod the file or directory
return $this->ftp->chmod($file, $mode);
}
public function owner($file) {
$dir = $this->dirlist($file);
return $dir[$file]['owner'];
}
public function getchmod($file) {
$dir = $this->dirlist($file);
return $dir[$file]['permsn'];
}
public function group($file) {
$dir = $this->dirlist($file);
return $dir[$file]['group'];
}
public function copy($source, $destination, $overwrite = false, $mode = false) {
if ( ! $overwrite && $this->exists($destination) )
return false;
$content = $this->get_contents($source);
if ( false === $content )
return false;
return $this->put_contents($destination, $content, $mode);
}
public function move($source, $destination, $overwrite = false ) {
return $this->ftp->rename($source, $destination);
}
public function delete($file, $recursive = false, $type = false) {
if ( empty($file) )
return false;
if ( 'f' == $type || $this->is_file($file) )
return $this->ftp->delete($file);
if ( !$recursive )
return $this->ftp->rmdir($file);
return $this->ftp->mdel($file);
}
public function exists( $file ) {
$list = $this->ftp->nlist( $file );
return !empty( $list ); //empty list = no file, so invert.
// return $this->ftp->is_exists($file); has issues with ABOR+426 responses on the ncFTPd server
}
public function is_file($file) {
if ( $this->is_dir($file) )
return false;
if ( $this->exists($file) )
return true;
return false;
}
public function is_dir($path) {
$cwd = $this->cwd();
if ( $this->chdir($path) ) {
$this->chdir($cwd);
return true;
}
return false;
}
public function is_readable($file) {
return true;
}
public function is_writable($file) {
return true;
}
public function atime($file) {
return false;
}
public function mtime($file) {
return $this->ftp->mdtm($file);
}
public function size($file) {
return $this->ftp->filesize($file);
}
public function touch($file, $time = 0, $atime = 0 ) {
return false;
}
public function mkdir($path, $chmod = false, $chown = false, $chgrp = false ) {
$path = untrailingslashit($path);
if ( empty($path) )
return false;
if ( ! $this->ftp->mkdir($path) )
return false;
if ( ! $chmod )
$chmod = FS_CHMOD_DIR;
$this->chmod($path, $chmod);
if ( $chown )
$this->chown($path, $chown);
if ( $chgrp )
$this->chgrp($path, $chgrp);
return true;
}
public function rmdir($path, $recursive = false ) {
$this->delete($path, $recursive);
}
public function dirlist($path = '.', $include_hidden = true, $recursive = false ) {
if ( $this->is_file($path) ) {
$limit_file = basename($path);
$path = dirname($path) . '/';
} else {
$limit_file = false;
}
mbstring_binary_safe_encoding();
$list = $this->ftp->dirlist($path);
if ( empty( $list ) && ! $this->exists( $path ) ) {
reset_mbstring_encoding();
return false;
}
$ret = array();
foreach ( $list as $struc ) {
if ( '.' == $struc['name'] || '..' == $struc['name'] )
continue;
if ( ! $include_hidden && '.' == $struc['name'][0] )
continue;
if ( $limit_file && $struc['name'] != $limit_file )
continue;
if ( 'd' == $struc['type'] ) {
if ( $recursive )
$struc['files'] = $this->dirlist($path . '/' . $struc['name'], $include_hidden, $recursive);
else
$struc['files'] = array();
}
// Replace symlinks formatted as "source -> target" with just the source name
if ( $struc['islink'] )
$struc['name'] = preg_replace( '/(\s*->\s*.*)$/', '', $struc['name'] );
$ret[ $struc['name'] ] = $struc;
}
reset_mbstring_encoding();
return $ret;
}
public function __destruct() {
$this->ftp->quit();
}
}