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<?php
/**
* WordPress FTP Filesystem.
*
* @package WordPress
* @subpackage Filesystem
*/
/**
* WordPress Filesystem Class for implementing FTP.
*
* @since 2.5
* @package WordPress
* @subpackage Filesystem
* @uses WP_Filesystem_Base Extends class
*/
class WP_Filesystem_FTPext extends WP_Filesystem_Base {
var $link;
var $errors = null;
var $options = array();
function __construct($opt='') {
$this->method = 'ftpext';
$this->errors = new WP_Error();
//Check if possible to use ftp functions.
if ( ! extension_loaded('ftp') ) {
$this->errors->add('no_ftp_ext', __('The ftp PHP extension is not available'));
return false;
}
// Set defaults:
//This Class uses the timeout on a per-connection basis, Others use it on a per-action basis.
if ( ! defined('FS_TIMEOUT') )
define('FS_TIMEOUT', 240);
if ( empty($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'];
$this->options['ssl'] = false;
if ( isset($opt['connection_type']) && 'ftps' == $opt['connection_type'] )
$this->options['ssl'] = true;
}
function connect() {
if ( isset($this->options['ssl']) && $this->options['ssl'] && function_exists('ftp_ssl_connect') )
$this->link = @ftp_ssl_connect($this->options['hostname'], $this->options['port'], FS_CONNECT_TIMEOUT);
else
$this->link = @ftp_connect($this->options['hostname'], $this->options['port'], FS_CONNECT_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;
}
//Set the Connection to use Passive FTP
@ftp_pasv( $this->link, true );
if ( @ftp_get_option($this->link, FTP_TIMEOUT_SEC) < FS_TIMEOUT )
@ftp_set_option($this->link, FTP_TIMEOUT_SEC, FS_TIMEOUT);
return true;
}
function get_contents($file, $type = '', $resumepos = 0 ) {
if ( empty($type) )
$type = FTP_BINARY;
$tempfile = wp_tempnam($file);
$temp = fopen($tempfile, 'w+');
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($temp);
unlink($tempfile);
return $contents;
}
function get_contents_array($file) {
return explode("\n", $this->get_contents($file));
}
function put_contents($file, $contents, $mode = false ) {
$tempfile = wp_tempnam($file);
$temp = fopen($tempfile, 'w+');
if ( ! $temp )
return false;
fwrite($temp, $contents);
fseek($temp, 0); //Skip back to the start of the file being written to
$type = $this->is_binary($contents) ? FTP_BINARY : FTP_ASCII;
$ret = @ftp_fput($this->link, $file, $temp, $type);
fclose($temp);
unlink($tempfile);
$this->chmod($file, $mode);
return $ret;
}
function cwd() {
$cwd = @ftp_pwd($this->link);
if ( $cwd )
$cwd = trailingslashit($cwd);
return $cwd;
}
function chdir($dir) {
return @ftp_chdir($this->link, $dir);
}
function chgrp($file, $group, $recursive = false ) {
return false;
}
function chmod($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, $recursive);
}
// chmod the file or directory
if ( ! function_exists('ftp_chmod') )
return (bool)@ftp_site($this->link, sprintf('CHMOD %o %s', $mode, $file));
return (bool)@ftp_chmod($this->link, $mode, $file);
}
function chown($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 group($file) {
$dir = $this->dirlist($file);
return $dir[$file]['group'];
}
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, $mode);
}
function move($source, $destination, $overwrite = false) {
return ftp_rename($this->link, $source, $destination);
}
function delete($file, $recursive = false, $type = false) {
if ( empty($file) )
return false;
if ( 'f' == $type || $this->is_file($file) )
return @ftp_delete($this->link, $file);
if ( !$recursive )
return @ftp_rmdir($this->link, $file);
$filelist = $this->dirlist( trailingslashit($file) );
if ( !empty($filelist) )
foreach ( $filelist as $delete_file )
$this->delete( trailingslashit($file) . $delete_file['name'], $recursive, $delete_file['type'] );
return @ftp_rmdir($this->link, $file);
}
function exists($file) {
$list = @ftp_nlist($this->link, $file);
return !empty($list); //empty list = no file, so invert.
}
function is_file($file) {
return $this->exists($file) && !$this->is_dir($file);
}
function is_dir($path) {
$cwd = $this->cwd();
$result = @ftp_chdir($this->link, trailingslashit($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 readable 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) {
$path = untrailingslashit($path);
if ( empty($path) )
return false;
if ( !@ftp_mkdir($this->link, $path) )
return false;
$this->chmod($path, $chmod);
if ( $chown )
$this->chown($path, $chown);
if ( $chgrp )
$this->chgrp($path, $chgrp);
return true;
}
function rmdir($path, $recursive = false) {
return $this->delete($path, $recursive);
}
function parselisting($line) {
static $is_windows;
if ( is_null($is_windows) )
$is_windows = stripos( ftp_systype($this->link), 'win') !== false;
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'] = $lucifer[8];
} elseif ( !$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];
}
}
// Replace symlinks formatted as "source -> target" with just the source name
if ( $b['islink'] )
$b['name'] = preg_replace( '/(\s*->\s*.*)$/', '', $b['name'] );
return $b;
}
function dirlist($path = '.', $include_hidden = true, $recursive = false) {
if ( $this->is_file($path) ) {
$limit_file = basename($path);
$path = dirname($path) . '/';
} else {
$limit_file = false;
}
$pwd = @ftp_pwd($this->link);
if ( ! @ftp_chdir($this->link, $path) ) // Cant change to folder = folder doesn't exist
return false;
$list = @ftp_rawlist($this->link, '-a', false);
@ftp_chdir($this->link, $pwd);
if ( empty($list) ) // Empty array = non-existent folder (real folder will show . at least)
return false;
$dirlist = array();
foreach ( $list as $k => $v ) {
$entry = $this->parselisting($v);
if ( empty($entry) )
continue;
if ( '.' == $entry['name'] || '..' == $entry['name'] )
continue;
if ( ! $include_hidden && '.' == $entry['name'][0] )
continue;
if ( $limit_file && $entry['name'] != $limit_file)
continue;
$dirlist[ $entry['name'] ] = $entry;
}
$ret = array();
foreach ( (array)$dirlist as $struc ) {
if ( 'd' == $struc['type'] ) {
if ( $recursive )
$struc['files'] = $this->dirlist($path . '/' . $struc['name'], $include_hidden, $recursive);
else
$struc['files'] = array();
}
$ret[ $struc['name'] ] = $struc;
}
return $ret;
}
function __destruct() {
if ( $this->link )
ftp_close($this->link);
}
}
