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

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<?php
class WP_Filesystem_FTPext{
var $link;
var $timeout = 5;
var $errors = array();
var $options = array();
var $wp_base = '';
var $permission = null;
var $filetypes = array(
'php'=>FTP_ASCII,
'css'=>FTP_ASCII,
'txt'=>FTP_ASCII,
'js'=>FTP_ASCII,
'html'=>FTP_ASCII,
'htm'=>FTP_ASCII,
'xml'=>FTP_ASCII,
'jpg'=>FTP_BINARY,
'png'=>FTP_BINARY,
'gif'=>FTP_BINARY,
'bmp'=>FTP_BINARY
);
function WP_Filesystem_FTPext($opt='') {
$this->errors = new WP_Error();
//Check if possible to use ftp functions.
if ( ! extension_loaded('ftp') ) {
$this->errors->add('no_ftp_ext', __('The ftp PHP extension is not available'));
return false;
}
// Set defaults:
if ( empty($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'] = $opt['hostname'];
if ( isset($opt['base']) && ! 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'];
$this->options['ssl'] = ( !empty($opt['ssl']) );
}
function connect(){
if ( $this->options['ssl'] && function_exists('ftp_ssl_connect') ) {
$this->link = ftp_ssl_connect($this->options['hostname'], $this->options['port'],$this->timeout);
} else {
$this->link = ftp_connect($this->options['hostname'], $this->options['port'],$this->timeout);
}
if ( ! $this->link ) {
$this->errors->add('connect', sprintf(__('Failed to connect to FTP Server %1$s:%2$s'), $this->options['hostname'], $this->options['port']));
return false;
}
if ( ! ftp_login($this->link,$this->options['username'], $this->options['password']) ) {
$this->errors->add('auth', sprintf(__('Username/Password incorrect for %s'), $this->options['username']));
return false;
}
return true;
}
function setDefaultPermissions($perm){
$this->permission = $perm;
}
function find_base_dir($base = '.',$echo = false){
if( empty( $base ) || '.' == $base ) $base = $this->cwd();
if( empty( $base ) ) $base = '/';
if( '/' != substr($base, -1) ) $base .= '/';
if($echo) echo __('Changing to ') . $base .'<br>';
if( false === ftp_chdir($this->link, $base) )
return false;
if( $this->exists($base . 'wp-settings.php') ){
if($echo) echo __('Found ') . $base . 'wp-settings.php<br>';
$this->wp_base = $base;
return $this->wp_base;
}
if( strpos(ABSPATH, $base) > 0)
$arrPath = split('/',substr(ABSPATH,strpos(ABSPATH, $base)));
else
$arrPath = split('/',ABSPATH);
for($i = 0; $i <= count($arrPath); $i++)
if( $arrPath[ $i ] == '' ) unset( $arrPath[ $i ] );
foreach($arrPath as $key=>$folder){
if( $this->is_dir($base . $folder) ){
if($echo) echo __('Found ') . $folder . ' ' . __('Changing to') . ' ' . $base . $folder . '/<br>';
return $this->find_base_dir($base . $folder . '/',$echo);
}
}
if( $base == '/' )
return false;
//If we get this far, somethings gone wrong, change to / and restart the process.
return $this->find_base_dir('/',$echo);
}
function get_base_dir($base = '.'){
if( empty($this->wp_base) )
$this->wp_base = $this->find_base_dir($base);
return $this->wp_base;
}
function get_contents($file,$type='',$resumepos=0){
if( empty($type) ){
$extension = substr(strrchr($filename, "."), 1);
$type = isset($this->filetypes[ $extension ]) ? $this->filetypes[ $extension ] : FTP_ASCII;
}
$temp = tmpfile();
if( ! @ftp_fget($this->link,$temp,$file,$type,$resumepos) )
return false;
fseek($temp, 0); //Skip back to the start of the file being written to
$contents = '';
while (!feof($temp)) {
$contents .= fread($temp, 8192);
}
fclose($temp);
return $contents;
}
function get_contents_array($file){
return explode("\n",$this->get_contents($file));
}
function put_contents($file,$contents,$type=''){
if( empty($type) ){
$extension = substr(strrchr($filename, "."), 1);
$type = isset($this->filetypes[ $extension ]) ? $this->filetypes[ $extension ] : FTP_ASCII;
}
$temp = tmpfile();
fwrite($temp,$contents);
fseek($temp, 0); //Skip back to the start of the file being written to
$ret = @ftp_fput($this->link,$file,$temp,$type);
fclose($temp);
return $ret;
}
function cwd(){
return ftp_pwd($this->link);
}
function chgrp($file,$group,$recursive=false){
return false;
}
function chmod($file,$mode=false,$recursive=false){
if( ! $mode )
$mode = $this->permission;
if( ! $mode )
return false;
if( ! $this->exists($file) )
return false;
if( ! $recursive || ! $this->is_dir($file) ){
if (!function_exists('ftp_chmod'))
return ftp_site($this->link, sprintf('CHMOD %o %s', $mode, $file));
return ftp_chmod($this->link,$mode,$file);
}
//Is a directory, and we want recursive
$filelist = $this->dirlist($file);
foreach($filelist as $filename){
$this->chmod($file.'/'.$filename,$mode,$recursive);
}
return true;
}
function chown($file,$owner,$recursive=false){
return false;
}
function owner($file){
$dir = $this->dirlist($file);
return $dir[$file]['owner'];
}
function getchmod($file){
$dir = $this->dirlist($file);
return $dir[$file]['permsn'];
}
function gethchmod($file){
//From the PHP.net page for ...?
$perms = $this->getchmod($file);
if (($perms & 0xC000) == 0xC000) {
// Socket
$info = 's';
} elseif (($perms & 0xA000) == 0xA000) {
// Symbolic Link
$info = 'l';
} elseif (($perms & 0x8000) == 0x8000) {
// Regular
$info = '-';
} elseif (($perms & 0x6000) == 0x6000) {
// Block special
$info = 'b';
} elseif (($perms & 0x4000) == 0x4000) {
// Directory
$info = 'd';
} elseif (($perms & 0x2000) == 0x2000) {
// Character special
$info = 'c';
} elseif (($perms & 0x1000) == 0x1000) {
// FIFO pipe
$info = 'p';
} else {
// Unknown
$info = 'u';
}
// Owner
$info .= (($perms & 0x0100) ? 'r' : '-');
$info .= (($perms & 0x0080) ? 'w' : '-');
$info .= (($perms & 0x0040) ?
(($perms & 0x0800) ? 's' : 'x' ) :
(($perms & 0x0800) ? 'S' : '-'));
// Group
$info .= (($perms & 0x0020) ? 'r' : '-');
$info .= (($perms & 0x0010) ? 'w' : '-');
$info .= (($perms & 0x0008) ?
(($perms & 0x0400) ? 's' : 'x' ) :
(($perms & 0x0400) ? 'S' : '-'));
// World
$info .= (($perms & 0x0004) ? 'r' : '-');
$info .= (($perms & 0x0002) ? 'w' : '-');
$info .= (($perms & 0x0001) ?
(($perms & 0x0200) ? 't' : 'x' ) :
(($perms & 0x0200) ? 'T' : '-'));
return $info;
}
function getnumchmodfromh($mode) {
$realmode = "";
$legal = array("","w","r","x","-");
$attarray = preg_split("//",$mode);
for($i=0;$i<count($attarray);$i++){
if($key = array_search($attarray[$i],$legal)){
$realmode .= $legal[$key];
}
}
$mode = str_pad($realmode,9,'-');
$trans = array('-'=>'0','r'=>'4','w'=>'2','x'=>'1');
$mode = strtr($mode,$trans);
$newmode = '';
$newmode .= $mode[0]+$mode[1]+$mode[2];
$newmode .= $mode[3]+$mode[4]+$mode[5];
$newmode .= $mode[6]+$mode[7]+$mode[8];
return $newmode;
}
function group($file){
$dir = $this->dirlist($file);
return $dir[$file]['group'];
}
function copy($source,$destination,$overwrite=false){
if( ! $overwrite && $this->exists($destination) )
return false;
$content = $this->get_contents($source);
$this->put_contents($destination,$content);
}
function move($source,$destination,$overwrite=false){
return ftp_rename($this->link,$source,$destination);
}
function delete($file,$recursive=false){
if( $this->is_file($file) )
return ftp_delete($this->link,$file);
if( !$recursive )
return ftp_rmdir($this->link,$file);
$filelist = $this->dirlist($file);
foreach($filelist as $filename => $fileinfo){
echo "Delete $file/$filename<br />";
$this->delete($file.'/'.$filename,$recursive);
}
return ftp_rmdir($this->link,$file);
}
function exists($file){
$list = ftp_rawlist($this->link,$file,false);
if( ! $list )
return false;
return count($list) == 1 ? true : false;
}
function is_file($file){
return $this->is_dir($file) ? false : true;
}
function is_dir($path){
$cwd = $this->cwd();
if ( ftp_chdir($this->link, $path) ) {
ftp_chdir($this->link, $cwd);
return true;
}
return false;
}
function is_readable($file){
//Get dir list, Check if the file is writable by the current user??
return true;
}
function is_writable($file){
//Get dir list, Check if the file is writable by the current user??
return true;
}
function atime($file){
return false;
}
function mtime($file){
return ftp_mdtm($this->link, $file);
}
function size($file){
return ftp_size($this->link, $file);
}
function touch($file,$time=0,$atime=0){
return false;
}
function mkdir($path,$chmod=false,$chown=false,$chgrp=false){
if( !ftp_mkdir($this->link, $path) )
return false;
if( $chmod )
$this->chmod($chmod);
if( $chown )
$this->chown($chown);
if( $chgrp )
$this->chgrp($chgrp);
return true;
}
function rmdir($path,$recursive=false){
if( ! $recursive )
return ftp_rmdir($this->link, $file);
//TODO: Recursive Directory delete, Have to delete files from the folder first.
//$dir = $this->dirlist($path);
//foreach($dir as $file)
}
function dirlist($path='.',$incdot=false,$recursive=false){
if( $this->is_file($path) ){
$limitFile = basename($path);
$path = dirname($path) . '/';
} else {
$limitFile = false;
}
//if( ! $this->is_dir($path) )
// return false;
$list = ftp_rawlist($this->link,$path,false); //We'll do the recursive part ourseves...
//var_dump($list);
if( ! $list )
return false;
if( empty($list) )
return array();
$ret = array();
foreach($list as $line){
if (substr(strtolower($line), 0, 5) == 'total') continue;
$struc = array();
$current = preg_split("/[\s]+/",$line,9);
$struc['name'] = str_replace('//','',$current[8]);
if( '.' == $struc['name'][0] && !$incdot)
continue;
if( $limitFile && $struc['name'] != $limitFile)
continue;
$struc['perms'] = $current[0];
$struc['permsn'] = $this->getnumchmodfromh($current[0]);
$struc['number'] = $current[1];
$struc['owner'] = $current[2];
$struc['group'] = $current[3];
$struc['size'] = $current[4];
$struc['lastmod'] = $current[5].' '.$current[6];
$struc['time'] = $current[7];
$struc['type'] = ('d' == $struc['perms'][0] || 'l' == $struc['perms'][0] ) ? 'folder' : 'file';
if('folder' == $struc['type'] ){
$struc['files'] = array();
if( $incdot ){
//We're including the doted starts
if( '.' != $struc['name'] && '..' != $struc['name'] ){ //Ok, It isnt a special folder
if ($recursive)
$struc['files'] = $this->dirlist($path.'/'.$struc['name'],$incdot,$recursive);
}
} else { //No dots
if ($recursive)
$struc['files'] = $this->dirlist($path.'/'.$struc['name'],$incdot,$recursive);
}
}
//File
$ret[$struc['name']] = $struc;
}
}
function __destruct(){
if( $this->link )
ftp_close($this->link);
}
}
?>