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, $loop = false) {
//Sanitize the Windows path formats, This allows easier conparison and aligns it to FTP output.
$abspath = str_replace('\\','/',ABSPATH); //windows: Straighten up the paths..
if( strpos($abspath, ':') ){ //Windows, Strip out the driveletter
if( preg_match("|.{1}\:(.+)|i", $abspath, $mat) )
$abspath = $mat[1];
}
//Set up the base directory (Which unless specified, is the current one)
if( empty( $base ) || '.' == $base ) $base = $this->cwd();
$base = trailingslashit($base);
//Can we see the Current directory as part of the ABSPATH?
$location = strpos($abspath, $base);
if( false !== $location ) {
$newbase = path_join($base, substr($abspath, $location + strlen($base)));
if( false !== $this->chdir($newbase) ){ //chdir sometimes returns null under certain circumstances, even when its changed correctly, FALSE will be returned if it doesnt change correctly.
if($echo) printf( __('Changing to %s') . '<br/>', $newbase );
//Check to see if it exists in that folder.
if( $this->exists($newbase . 'wp-settings.php') ){
if($echo) printf( __('Found %s'), $newbase . 'wp-settings.php<br/>' );
return $newbase;
}
}
}
//Ok, Couldnt do a magic location from that particular folder level
//Get a list of the files in the current directory, See if we can locate where we are in the folder stucture.
$files = $this->dirlist($base);
$arrPath = explode('/', $abspath);
foreach($arrPath as $key){
//Working from /home/ to /user/ to /wordpress/ see if that file exists within the current folder,
// If its found, change into it and follow through looking for it.
// If it cant find WordPress down that route, it'll continue onto the next folder level, and see if that matches, and so on.
// If it reaches the end, and still cant find it, it'll return false for the entire function.
if( isset($files[ $key ]) ){
//Lets try that folder:
$folder = path_join($base, $key);
if($echo) printf( __('Changing to %s') . '<br/>', $folder );
$ret = $this->find_base_dir( $folder, $echo, $loop);
if( $ret )
return $ret;
}
}
//Only check this as a last resort, to prevent locating the incorrect install. All above proceeedures will fail quickly if this is the right branch to take.
if(isset( $files[ 'wp-settings.php' ]) ){
if($echo) printf( __('Found %s'), $base . 'wp-settings.php<br/>' );
return $base;
}
if( $loop )
return false;//Prevent tihs function looping again.
//As an extra last resort, Change back to / if the folder wasnt found. This comes into effect when the CWD is /home/user/ but WP is at /var/www/.... mainly dedicated setups.
return $this->find_base_dir('/', $echo, true);
}
function get_base_dir($base = '.', $echo = false){
if( defined('FTP_BASE') )
$this->wp_base = FTP_BASE;
if( empty($this->wp_base) )
$this->wp_base = $this->find_base_dir($base,$echo);
return $this->wp_base;
}
function get_contents($file,$type='',$resumepos=0){
if( empty($type) ){
$extension = substr(strrchr($file, "."), 1);
$type = isset($this->filetypes[ $extension ]) ? $this->filetypes[ $extension ] : FTP_ASCII;
}
$temp = tmpfile();
if ( ! $temp )
return false;
if( ! @ftp_fget($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) ){
$extension = substr(strrchr($file, "."), 1);
$type = isset($this->filetypes[ $extension ]) ? $this->filetypes[ $extension ] : FTP_ASCII;
}
$temp = tmpfile();
if ( ! $temp )
return false;
fwrite($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(){
$cwd = ftp_pwd($this->link);
if( $cwd )
$cwd = trailingslashit($cwd);
return $cwd;
}
function chdir($dir){
return @ftp_chdir($dir);
}
function chgrp($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);
if( false === $content)
return false;
return $this->put_contents($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 ((array) $filelist as $filename => $fileinfo) {
$this->delete($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();
$result = @ftp_chdir($this->link, $path);
if( $result && $path == $this->cwd() ||
$this->cwd() != $cwd ) {
@ftp_chdir($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 )
$this->chmod($path, $chmod);
if( $chown )
$this->chown($path, $chown);
if( $chgrp )
$this->chgrp($path, $chgrp);
return true;
}
function rmdir($path,$recursive=false){
if( ! $recursive )
return @ftp_rmdir($this->link, $path);
//TODO: Recursive Directory delete, Have to delete files from the folder first.
//$dir = $this->dirlist($path);
//foreach($dir as $file)
}
function parselisting($line) {
$is_windows = ($this->OS_remote == FTP_OS_Windows);
if ($is_windows && preg_match("/([0-9]{2})-([0-9]{2})-([0-9]{2}) +([0-9]{2}):([0-9]{2})(AM|PM) +([0-9]+|<DIR>) +(.+)/",$line,$lucifer)) {
$b = array();
if ($lucifer[3]<70) { $lucifer[3]+=2000; } else { $lucifer[3]+=1900; } // 4digit year fix
$b['isdir'] = ($lucifer[7]=="<DIR>");
if ( $b['isdir'] )
$b['type'] = 'd';
else
$b['type'] = 'f';
$b['size'] = $lucifer[7];
$b['month'] = $lucifer[1];
$b['day'] = $lucifer[2];
$b['year'] = $lucifer[3];
$b['hour'] = $lucifer[4];
$b['minute'] = $lucifer[5];
$b['time'] = @mktime($lucifer[4]+(strcasecmp($lucifer[6],"PM")==0?12:0),$lucifer[5],0,$lucifer[1],$lucifer[2],$lucifer[3]);
$b['am/pm'] = $lucifer[6];
$b['name'] = $lucifer[8];
} else if (!$is_windows && $lucifer=preg_split("/[ ]/",$line,9,PREG_SPLIT_NO_EMPTY)) {
//echo $line."\n";
$lcount=count($lucifer);
if ($lcount<8) return '';
$b = array();
$b['isdir'] = $lucifer[0]{0} === "d";
$b['islink'] = $lucifer[0]{0} === "l";
if ( $b['isdir'] )
$b['type'] = 'd';
elseif ( $b['islink'] )
$b['type'] = 'l';
else
$b['type'] = 'f';
$b['perms'] = $lucifer[0];
$b['number'] = $lucifer[1];
$b['owner'] = $lucifer[2];
$b['group'] = $lucifer[3];
$b['size'] = $lucifer[4];
if ($lcount==8) {
sscanf($lucifer[5],"%d-%d-%d",$b['year'],$b['month'],$b['day']);
sscanf($lucifer[6],"%d:%d",$b['hour'],$b['minute']);
$b['time'] = @mktime($b['hour'],$b['minute'],0,$b['month'],$b['day'],$b['year']);
$b['name'] = $lucifer[7];
} else {
$b['month'] = $lucifer[5];
$b['day'] = $lucifer[6];
if (preg_match("/([0-9]{2}):([0-9]{2})/",$lucifer[7],$l2)) {
$b['year'] = date("Y");
$b['hour'] = $l2[1];
$b['minute'] = $l2[2];
} else {
$b['year'] = $lucifer[7];
$b['hour'] = 0;
$b['minute'] = 0;
}
$b['time'] = strtotime(sprintf("%d %s %d %02d:%02d",$b['day'],$b['month'],$b['year'],$b['hour'],$b['minute']));
$b['name'] = $lucifer[8];
}
}
return $b;
}
function dirlist($path='.',$incdot=false,$recursive=false){
if( $this->is_file($path) ){
$limitFile = basename($path);
$path = dirname($path) . '/';
} else {
$limitFile = false;
}
$list = @ftp_rawlist($this->link , '-a ' . $path, false);
if ( $list === false )
return false;
$dirlist = array();
foreach ( $list as $k => $v ) {
$entry = $this->parselisting($v);
if ( empty($entry) )
continue;
if ( $entry["name"]=="." or $entry["name"]==".." )
continue;
$dirlist[$entry['name']] = $entry;
}
if ( ! $dirlist )
return false;
if ( empty($dirlist) )
return array();
$ret = array();
foreach ( $dirlist as $struc ) {
if ( 'd' == $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;
}
return $ret;
}
function __destruct(){
if( $this->link )
ftp_close($this->link);
}
}
?>