527 lines
13 KiB
PHP
527 lines
13 KiB
PHP
<?php
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/**
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* WordPress FTP Filesystem.
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*
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* @package WordPress
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* @subpackage Filesystem
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*/
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/**
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* WordPress Filesystem Class for implementing FTP.
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*
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* @since 2.5.0
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* @package WordPress
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* @subpackage Filesystem
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* @uses WP_Filesystem_Base Extends class
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*/
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class WP_Filesystem_FTPext extends WP_Filesystem_Base {
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public $link;
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public $errors = null;
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public $options = array();
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public function __construct($opt='') {
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$this->method = 'ftpext';
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$this->errors = new WP_Error();
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// Check if possible to use ftp functions.
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if ( ! extension_loaded('ftp') ) {
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$this->errors->add('no_ftp_ext', __('The ftp PHP extension is not available'));
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return false;
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}
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// This Class uses the timeout on a per-connection basis, Others use it on a per-action basis.
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if ( ! defined('FS_TIMEOUT') )
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define('FS_TIMEOUT', 240);
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if ( empty($opt['port']) )
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$this->options['port'] = 21;
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else
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$this->options['port'] = $opt['port'];
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if ( empty($opt['hostname']) )
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$this->errors->add('empty_hostname', __('FTP hostname is required'));
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else
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$this->options['hostname'] = $opt['hostname'];
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if ( ! empty($opt['base']) )
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$this->wp_base = $opt['base'];
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// Check if the options provided are OK.
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if ( empty($opt['username']) )
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$this->errors->add('empty_username', __('FTP username is required'));
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else
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$this->options['username'] = $opt['username'];
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if ( empty($opt['password']) )
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$this->errors->add('empty_password', __('FTP password is required'));
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else
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$this->options['password'] = $opt['password'];
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$this->options['ssl'] = false;
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if ( isset($opt['connection_type']) && 'ftps' == $opt['connection_type'] )
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$this->options['ssl'] = true;
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}
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public function connect() {
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if ( isset($this->options['ssl']) && $this->options['ssl'] && function_exists('ftp_ssl_connect') )
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$this->link = @ftp_ssl_connect($this->options['hostname'], $this->options['port'], FS_CONNECT_TIMEOUT);
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else
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$this->link = @ftp_connect($this->options['hostname'], $this->options['port'], FS_CONNECT_TIMEOUT);
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if ( ! $this->link ) {
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$this->errors->add('connect', sprintf(__('Failed to connect to FTP Server %1$s:%2$s'), $this->options['hostname'], $this->options['port']));
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return false;
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}
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if ( ! @ftp_login($this->link,$this->options['username'], $this->options['password']) ) {
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$this->errors->add('auth', sprintf(__('Username/Password incorrect for %s'), $this->options['username']));
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return false;
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}
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// Set the Connection to use Passive FTP
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@ftp_pasv( $this->link, true );
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if ( @ftp_get_option($this->link, FTP_TIMEOUT_SEC) < FS_TIMEOUT )
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@ftp_set_option($this->link, FTP_TIMEOUT_SEC, FS_TIMEOUT);
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return true;
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}
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/**
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* @param string $file
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* @return false|string
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*/
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public function get_contents( $file ) {
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$tempfile = wp_tempnam($file);
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$temp = fopen($tempfile, 'w+');
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if ( ! $temp )
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return false;
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if ( ! @ftp_fget($this->link, $temp, $file, FTP_BINARY ) )
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return false;
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fseek( $temp, 0 ); // Skip back to the start of the file being written to
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$contents = '';
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while ( ! feof($temp) )
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$contents .= fread($temp, 8192);
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fclose($temp);
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unlink($tempfile);
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return $contents;
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}
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/**
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* @param string $file
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* @return array
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*/
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public function get_contents_array($file) {
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return explode("\n", $this->get_contents($file));
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}
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/**
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* @param string $file
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* @param string $contents
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* @param bool|int $mode
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* @return bool
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*/
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public function put_contents($file, $contents, $mode = false ) {
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$tempfile = wp_tempnam($file);
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$temp = fopen( $tempfile, 'wb+' );
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if ( ! $temp )
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return false;
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mbstring_binary_safe_encoding();
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$data_length = strlen( $contents );
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$bytes_written = fwrite( $temp, $contents );
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reset_mbstring_encoding();
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if ( $data_length !== $bytes_written ) {
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fclose( $temp );
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unlink( $tempfile );
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return false;
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}
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fseek( $temp, 0 ); // Skip back to the start of the file being written to
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$ret = @ftp_fput( $this->link, $file, $temp, FTP_BINARY );
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fclose($temp);
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unlink($tempfile);
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$this->chmod($file, $mode);
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return $ret;
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}
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/**
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* @return string
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*/
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public function cwd() {
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$cwd = @ftp_pwd($this->link);
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if ( $cwd )
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$cwd = trailingslashit($cwd);
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return $cwd;
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}
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/**
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* @param string $dir
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* @return bool
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*/
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public function chdir($dir) {
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return @ftp_chdir($this->link, $dir);
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}
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/**
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* @param string $file
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* @param bool $group
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* @param bool $recursive
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*/
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public function chgrp($file, $group, $recursive = false ) {
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return false;
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}
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/**
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* @param string $file
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* @param int $mode
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* @param bool $recursive
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* @return bool
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*/
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public function chmod($file, $mode = false, $recursive = false) {
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if ( ! $mode ) {
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if ( $this->is_file($file) )
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$mode = FS_CHMOD_FILE;
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elseif ( $this->is_dir($file) )
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$mode = FS_CHMOD_DIR;
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else
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return false;
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}
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// chmod any sub-objects if recursive.
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if ( $recursive && $this->is_dir($file) ) {
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$filelist = $this->dirlist($file);
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foreach ( (array)$filelist as $filename => $filemeta )
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$this->chmod($file . '/' . $filename, $mode, $recursive);
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}
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// chmod the file or directory
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if ( ! function_exists('ftp_chmod') )
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return (bool)@ftp_site($this->link, sprintf('CHMOD %o %s', $mode, $file));
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return (bool)@ftp_chmod($this->link, $mode, $file);
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}
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/**
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* @param string $file
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* @return string
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*/
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public function owner($file) {
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$dir = $this->dirlist($file);
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return $dir[$file]['owner'];
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}
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/**
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* @param string $file
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* @return string
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*/
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public function getchmod($file) {
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$dir = $this->dirlist($file);
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return $dir[$file]['permsn'];
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}
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/**
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* @param string $file
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* @return string
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*/
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public function group($file) {
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$dir = $this->dirlist($file);
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return $dir[$file]['group'];
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}
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/**
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*
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* @param string $source
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* @param string $destination
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* @param bool $overwrite
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* @param string|bool $mode
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* @return bool
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*/
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public function copy($source, $destination, $overwrite = false, $mode = false) {
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if ( ! $overwrite && $this->exists($destination) )
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return false;
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$content = $this->get_contents($source);
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if ( false === $content )
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return false;
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return $this->put_contents($destination, $content, $mode);
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}
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/**
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* @param string $source
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* @param string $destination
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* @param bool $overwrite
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* @return bool
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*/
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public function move($source, $destination, $overwrite = false) {
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return ftp_rename($this->link, $source, $destination);
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}
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/**
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* @param string $file
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* @param bool $recursive
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* @param string $type
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* @return bool
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*/
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public function delete($file, $recursive = false, $type = false) {
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if ( empty($file) )
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return false;
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if ( 'f' == $type || $this->is_file($file) )
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return @ftp_delete($this->link, $file);
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if ( !$recursive )
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return @ftp_rmdir($this->link, $file);
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$filelist = $this->dirlist( trailingslashit($file) );
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if ( !empty($filelist) )
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foreach ( $filelist as $delete_file )
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$this->delete( trailingslashit($file) . $delete_file['name'], $recursive, $delete_file['type'] );
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return @ftp_rmdir($this->link, $file);
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}
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/**
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* @param string $file
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* @return bool
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*/
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public function exists($file) {
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$list = @ftp_nlist($this->link, $file);
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return !empty($list); //empty list = no file, so invert.
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}
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/**
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* @param string $file
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* @return bool
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*/
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public function is_file($file) {
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return $this->exists($file) && !$this->is_dir($file);
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}
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/**
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* @param string $path
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* @return bool
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*/
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public function is_dir($path) {
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$cwd = $this->cwd();
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$result = @ftp_chdir($this->link, trailingslashit($path) );
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if ( $result && $path == $this->cwd() || $this->cwd() != $cwd ) {
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@ftp_chdir($this->link, $cwd);
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return true;
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}
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return false;
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}
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/**
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* @param string $file
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* @return bool
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*/
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public function is_readable($file) {
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return true;
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}
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/**
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* @param string $file
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* @return bool
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*/
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public function is_writable($file) {
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return true;
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}
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/**
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* @param string $file
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* @return bool
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*/
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public function atime($file) {
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return false;
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}
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/**
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* @param string $file
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* @return int
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*/
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public function mtime($file) {
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return ftp_mdtm($this->link, $file);
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}
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/**
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* @param string $file
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* @return int
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*/
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public function size($file) {
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return ftp_size($this->link, $file);
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}
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/**
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* @param string $file
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* @return bool
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*/
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public function touch($file, $time = 0, $atime = 0) {
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return false;
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}
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/**
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* @param string $path
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* @param mixed $chmod
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* @param mixed $chown
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* @param mixed $chgrp
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* @return bool
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*/
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public function mkdir($path, $chmod = false, $chown = false, $chgrp = false) {
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$path = untrailingslashit($path);
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if ( empty($path) )
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return false;
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if ( !@ftp_mkdir($this->link, $path) )
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return false;
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$this->chmod($path, $chmod);
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if ( $chown )
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$this->chown($path, $chown);
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if ( $chgrp )
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$this->chgrp($path, $chgrp);
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return true;
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}
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/**
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* @param string $path
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* @param bool $recursive
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* @return bool
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*/
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public function rmdir($path, $recursive = false) {
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return $this->delete($path, $recursive);
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}
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/**
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* @staticvar bool $is_windows
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* @param string $line
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* @return string
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*/
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public function parselisting($line) {
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static $is_windows;
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if ( is_null($is_windows) )
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$is_windows = stripos( ftp_systype($this->link), 'win') !== false;
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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, $lucifer) ) {
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$b = array();
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if ( $lucifer[3] < 70 )
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$lucifer[3] +=2000;
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else
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$lucifer[3] += 1900; // 4digit year fix
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$b['isdir'] = ( $lucifer[7] == '<DIR>');
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if ( $b['isdir'] )
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$b['type'] = 'd';
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else
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$b['type'] = 'f';
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$b['size'] = $lucifer[7];
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$b['month'] = $lucifer[1];
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$b['day'] = $lucifer[2];
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$b['year'] = $lucifer[3];
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$b['hour'] = $lucifer[4];
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$b['minute'] = $lucifer[5];
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$b['time'] = @mktime($lucifer[4] + (strcasecmp($lucifer[6], "PM") == 0 ? 12 : 0), $lucifer[5], 0, $lucifer[1], $lucifer[2], $lucifer[3]);
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$b['am/pm'] = $lucifer[6];
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$b['name'] = $lucifer[8];
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} elseif ( !$is_windows && $lucifer = preg_split('/[ ]/', $line, 9, PREG_SPLIT_NO_EMPTY)) {
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//echo $line."\n";
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$lcount = count($lucifer);
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if ( $lcount < 8 )
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return '';
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$b = array();
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$b['isdir'] = $lucifer[0]{0} === 'd';
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$b['islink'] = $lucifer[0]{0} === 'l';
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if ( $b['isdir'] )
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$b['type'] = 'd';
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elseif ( $b['islink'] )
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$b['type'] = 'l';
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else
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$b['type'] = 'f';
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$b['perms'] = $lucifer[0];
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$b['number'] = $lucifer[1];
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$b['owner'] = $lucifer[2];
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$b['group'] = $lucifer[3];
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$b['size'] = $lucifer[4];
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if ( $lcount == 8 ) {
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sscanf($lucifer[5], '%d-%d-%d', $b['year'], $b['month'], $b['day']);
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sscanf($lucifer[6], '%d:%d', $b['hour'], $b['minute']);
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$b['time'] = @mktime($b['hour'], $b['minute'], 0, $b['month'], $b['day'], $b['year']);
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$b['name'] = $lucifer[7];
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} else {
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$b['month'] = $lucifer[5];
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$b['day'] = $lucifer[6];
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if ( preg_match('/([0-9]{2}):([0-9]{2})/', $lucifer[7], $l2) ) {
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$b['year'] = date("Y");
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$b['hour'] = $l2[1];
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$b['minute'] = $l2[2];
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} else {
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$b['year'] = $lucifer[7];
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$b['hour'] = 0;
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$b['minute'] = 0;
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}
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$b['time'] = strtotime( sprintf('%d %s %d %02d:%02d', $b['day'], $b['month'], $b['year'], $b['hour'], $b['minute']) );
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$b['name'] = $lucifer[8];
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}
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}
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// Replace symlinks formatted as "source -> target" with just the source name
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if ( $b['islink'] )
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$b['name'] = preg_replace( '/(\s*->\s*.*)$/', '', $b['name'] );
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return $b;
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}
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/**
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* @param string $path
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* @param bool $include_hidden
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* @param bool $recursive
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* @return bool|array
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*/
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public function dirlist($path = '.', $include_hidden = true, $recursive = false) {
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if ( $this->is_file($path) ) {
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$limit_file = basename($path);
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$path = dirname($path) . '/';
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} else {
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$limit_file = false;
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}
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$pwd = @ftp_pwd($this->link);
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if ( ! @ftp_chdir($this->link, $path) ) // Cant change to folder = folder doesn't exist
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return false;
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$list = @ftp_rawlist($this->link, '-a', false);
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@ftp_chdir($this->link, $pwd);
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if ( empty($list) ) // Empty array = non-existent folder (real folder will show . at least)
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return false;
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$dirlist = array();
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foreach ( $list as $k => $v ) {
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$entry = $this->parselisting($v);
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if ( empty($entry) )
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continue;
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if ( '.' == $entry['name'] || '..' == $entry['name'] )
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continue;
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if ( ! $include_hidden && '.' == $entry['name'][0] )
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continue;
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if ( $limit_file && $entry['name'] != $limit_file)
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continue;
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$dirlist[ $entry['name'] ] = $entry;
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}
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$ret = array();
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foreach ( (array)$dirlist as $struc ) {
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if ( 'd' == $struc['type'] ) {
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if ( $recursive )
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$struc['files'] = $this->dirlist($path . '/' . $struc['name'], $include_hidden, $recursive);
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else
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$struc['files'] = array();
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}
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$ret[ $struc['name'] ] = $struc;
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}
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return $ret;
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}
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public function __destruct() {
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if ( $this->link )
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ftp_close($this->link);
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}
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}
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