546 lines
11 KiB
PHP
546 lines
11 KiB
PHP
<?php
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/**
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* WordPress FTP Sockets 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 Sockets.
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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_ftpsockets extends WP_Filesystem_Base {
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/**
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* @access public
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* @var ftp
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*/
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public $ftp;
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/**
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* @access public
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*
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* @param array $opt
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*/
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public function __construct( $opt = '' ) {
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$this->method = 'ftpsockets';
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$this->errors = new WP_Error();
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// Check if possible to use ftp functions.
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if ( ! @include_once( ABSPATH . 'wp-admin/includes/class-ftp.php' ) ) {
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return;
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}
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$this->ftp = new ftp();
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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'] = (int) $opt['port'];
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if ( empty($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'] = $opt['hostname'];
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// Check if the options provided are OK.
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if ( empty ($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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}
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/**
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* @access public
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*
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* @return bool
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*/
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public function connect() {
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if ( ! $this->ftp )
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return false;
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$this->ftp->setTimeout(FS_CONNECT_TIMEOUT);
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if ( ! $this->ftp->SetServer( $this->options['hostname'], $this->options['port'] ) ) {
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$this->errors->add( 'connect',
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/* translators: %s: hostname:port */
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sprintf( __( 'Failed to connect to FTP Server %s' ),
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$this->options['hostname'] . ':' . $this->options['port']
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)
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);
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return false;
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}
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if ( ! $this->ftp->connect() ) {
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$this->errors->add( 'connect',
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/* translators: %s: hostname:port */
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sprintf( __( 'Failed to connect to FTP Server %s' ),
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$this->options['hostname'] . ':' . $this->options['port']
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)
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);
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return false;
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}
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if ( ! $this->ftp->login( $this->options['username'], $this->options['password'] ) ) {
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$this->errors->add( 'auth',
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/* translators: %s: username */
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sprintf( __( 'Username/Password incorrect for %s' ),
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$this->options['username']
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)
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);
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return false;
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}
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$this->ftp->SetType( FTP_BINARY );
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$this->ftp->Passive( true );
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$this->ftp->setTimeout( FS_TIMEOUT );
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return true;
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}
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/**
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* Retrieves the file contents.
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*
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* @since 2.5.0
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* @access public
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*
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* @param string $file Filename.
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* @return string|false File contents on success, false if no temp file could be opened,
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* or if the file doesn't exist.
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*/
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public function get_contents( $file ) {
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if ( ! $this->exists($file) )
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return false;
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$temp = wp_tempnam( $file );
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if ( ! $temphandle = fopen( $temp, 'w+' ) ) {
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unlink( $temp );
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return false;
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}
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mbstring_binary_safe_encoding();
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if ( ! $this->ftp->fget($temphandle, $file) ) {
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fclose($temphandle);
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unlink($temp);
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reset_mbstring_encoding();
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return ''; // Blank document, File does exist, It's just blank.
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}
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reset_mbstring_encoding();
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fseek( $temphandle, 0 ); // Skip back to the start of the file being written to
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$contents = '';
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while ( ! feof($temphandle) )
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$contents .= fread($temphandle, 8192);
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fclose($temphandle);
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unlink($temp);
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return $contents;
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}
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/**
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* @access public
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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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* @access public
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*
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* @param string $file
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* @param string $contents
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* @param int|bool $mode
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* @return bool
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*/
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public function put_contents($file, $contents, $mode = false ) {
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$temp = wp_tempnam( $file );
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if ( ! $temphandle = @fopen($temp, 'w+') ) {
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unlink($temp);
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return false;
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}
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// The FTP class uses string functions internally during file download/upload
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mbstring_binary_safe_encoding();
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$bytes_written = fwrite( $temphandle, $contents );
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if ( false === $bytes_written || $bytes_written != strlen( $contents ) ) {
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fclose( $temphandle );
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unlink( $temp );
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reset_mbstring_encoding();
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return false;
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}
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fseek( $temphandle, 0 ); // Skip back to the start of the file being written to
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$ret = $this->ftp->fput($file, $temphandle);
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reset_mbstring_encoding();
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fclose($temphandle);
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unlink($temp);
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$this->chmod($file, $mode);
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return $ret;
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}
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/**
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* @access public
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*
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* @return string
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*/
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public function cwd() {
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$cwd = $this->ftp->pwd();
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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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* @access public
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*
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* @param string $file
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* @return bool
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*/
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public function chdir($file) {
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return $this->ftp->chdir($file);
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}
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/**
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* @access public
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*
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* @param string $file
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* @param int|bool $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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return $this->ftp->chmod($file, $mode);
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}
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/**
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* @access public
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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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* @access public
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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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* @access public
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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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* @access public
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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 int|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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* @access public
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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 $this->ftp->rename($source, $destination);
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}
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/**
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* @access public
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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 $this->ftp->delete($file);
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if ( !$recursive )
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return $this->ftp->rmdir($file);
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return $this->ftp->mdel($file);
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}
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/**
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* @access public
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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 = $this->ftp->nlist( $file );
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if ( empty( $list ) && $this->is_dir( $file ) ) {
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return true; // File is an empty directory.
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}
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return !empty( $list ); //empty list = no file, so invert.
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// Return $this->ftp->is_exists($file); has issues with ABOR+426 responses on the ncFTPd server.
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}
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/**
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* @access public
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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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if ( $this->is_dir($file) )
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return false;
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if ( $this->exists($file) )
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return true;
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return false;
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}
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/**
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* @access public
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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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if ( $this->chdir($path) ) {
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$this->chdir($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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* @access public
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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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* @access public
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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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* @access public
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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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* @access public
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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 $this->ftp->mdtm($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 $this->ftp->filesize($file);
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}
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/**
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* @access public
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*
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* @param string $file
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* @param int $time
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* @param int $atime
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* @return bool
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*/
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public function touch($file, $time = 0, $atime = 0 ) {
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return false;
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}
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/**
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* @access public
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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 ( ! $this->ftp->mkdir($path) )
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return false;
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if ( ! $chmod )
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$chmod = FS_CHMOD_DIR;
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$this->chmod($path, $chmod);
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return true;
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}
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/**
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* @access public
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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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* @access public
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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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$limit_file = false;
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}
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mbstring_binary_safe_encoding();
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$list = $this->ftp->dirlist($path);
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if ( empty( $list ) && ! $this->exists( $path ) ) {
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reset_mbstring_encoding();
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return false;
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}
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$ret = array();
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foreach ( $list as $struc ) {
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if ( '.' == $struc['name'] || '..' == $struc['name'] )
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continue;
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if ( ! $include_hidden && '.' == $struc['name'][0] )
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continue;
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if ( $limit_file && $struc['name'] != $limit_file )
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continue;
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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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// Replace symlinks formatted as "source -> target" with just the source name
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if ( $struc['islink'] )
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$struc['name'] = preg_replace( '/(\s*->\s*.*)$/', '', $struc['name'] );
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// Add the Octal representation of the file permissions
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$struc['permsn'] = $this->getnumchmodfromh( $struc['perms'] );
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$ret[ $struc['name'] ] = $struc;
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}
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reset_mbstring_encoding();
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return $ret;
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}
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/**
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* @access public
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*/
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public function __destruct() {
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$this->ftp->quit();
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}
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}
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