830 lines
23 KiB
PHP
830 lines
23 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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*
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* @see WP_Filesystem_Base
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*/
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class WP_Filesystem_FTPext extends WP_Filesystem_Base {
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/**
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* @since 2.5.0
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* @var resource
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*/
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public $link;
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/**
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* Constructor.
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*
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* @since 2.5.0
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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 = '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;
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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', 4 * MINUTE_IN_SECONDS );
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}
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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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}
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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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}
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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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}
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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'] = $opt['password'];
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}
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$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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}
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/**
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* Connects filesystem.
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*
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* @since 2.5.0
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*
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* @return bool True on success, false on failure.
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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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}
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if ( ! $this->link ) {
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$this->errors->add(
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'connect',
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sprintf(
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/* translators: %s: hostname:port */
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__( '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 ( ! @ftp_login( $this->link, $this->options['username'], $this->options['password'] ) ) {
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$this->errors->add(
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'auth',
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sprintf(
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/* translators: %s: Username. */
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__( '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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// 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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}
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return true;
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}
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/**
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* Reads entire file into a string.
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*
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* @since 2.5.0
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*
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* @param string $file Name of the file to read.
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* @return string|false Read data on success, false if no temporary file could be opened,
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* or if the file couldn't be retrieved.
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*/
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public function get_contents( $file ) {
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$tempfile = wp_tempnam( $file );
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$temphandle = fopen( $tempfile, 'w+' );
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if ( ! $temphandle ) {
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unlink( $tempfile );
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return false;
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}
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if ( ! ftp_fget( $this->link, $temphandle, $file, FTP_BINARY ) ) {
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fclose( $temphandle );
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unlink( $tempfile );
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return false;
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}
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fseek( $temphandle, 0 ); // Skip back to the start of the file being written to.
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$contents = '';
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while ( ! feof( $temphandle ) ) {
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$contents .= fread( $temphandle, 8 * KB_IN_BYTES );
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}
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fclose( $temphandle );
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unlink( $tempfile );
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return $contents;
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}
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/**
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* Reads entire file into an array.
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*
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* @since 2.5.0
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*
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* @param string $file Path to the file.
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* @return array|false File contents in an array on success, false on failure.
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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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* Writes a string to a file.
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*
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* @since 2.5.0
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*
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* @param string $file Remote path to the file where to write the data.
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* @param string $contents The data to write.
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* @param int|false $mode Optional. The file permissions as octal number, usually 0644.
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* Default false.
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* @return bool True on success, false on failure.
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*/
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public function put_contents( $file, $contents, $mode = false ) {
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$tempfile = wp_tempnam( $file );
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$temphandle = fopen( $tempfile, 'wb+' );
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if ( ! $temphandle ) {
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unlink( $tempfile );
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return false;
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}
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mbstring_binary_safe_encoding();
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$data_length = strlen( $contents );
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$bytes_written = fwrite( $temphandle, $contents );
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reset_mbstring_encoding();
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if ( $data_length !== $bytes_written ) {
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fclose( $temphandle );
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unlink( $tempfile );
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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 = ftp_fput( $this->link, $file, $temphandle, FTP_BINARY );
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fclose( $temphandle );
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unlink( $tempfile );
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$this->chmod( $file, $mode );
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return $ret;
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}
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/**
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* Gets the current working directory.
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*
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* @since 2.5.0
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*
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* @return string|false The current working directory on success, false on failure.
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*/
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public function cwd() {
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$cwd = ftp_pwd( $this->link );
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if ( $cwd ) {
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$cwd = trailingslashit( $cwd );
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}
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return $cwd;
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}
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/**
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* Changes current directory.
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*
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* @since 2.5.0
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*
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* @param string $dir The new current directory.
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* @return bool True on success, false on failure.
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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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* Changes filesystem permissions.
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*
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* @since 2.5.0
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*
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* @param string $file Path to the file.
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* @param int|false $mode Optional. The permissions as octal number, usually 0644 for files,
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* 0755 for directories. Default false.
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* @param bool $recursive Optional. If set to true, changes file permissions recursively.
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* Default false.
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* @return bool True on success, false on failure.
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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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}
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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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}
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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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}
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return (bool) ftp_chmod( $this->link, $mode, $file );
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}
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/**
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* Gets the file owner.
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*
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* @since 2.5.0
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*
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* @param string $file Path to the file.
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* @return string|false Username of the owner on success, false on failure.
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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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* Gets the permissions of the specified file or filepath in their octal format.
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*
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* @since 2.5.0
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*
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* @param string $file Path to the file.
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* @return string Mode of the file (the last 3 digits).
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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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* Gets the file's group.
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*
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* @since 2.5.0
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*
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* @param string $file Path to the file.
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* @return string|false The group on success, false on failure.
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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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* Copies a file.
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*
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* @since 2.5.0
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*
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* @param string $source Path to the source file.
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* @param string $destination Path to the destination file.
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* @param bool $overwrite Optional. Whether to overwrite the destination file if it exists.
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* Default false.
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* @param int|false $mode Optional. The permissions as octal number, usually 0644 for files,
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* 0755 for dirs. Default false.
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* @return bool True on success, false on failure.
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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( $destination ) ) {
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return false;
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}
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$content = $this->get_contents( $source );
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if ( false === $content ) {
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return false;
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}
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return $this->put_contents( $destination, $content, $mode );
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}
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/**
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* Moves a file or directory.
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*
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* After moving files or directories, OPcache will need to be invalidated.
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*
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* If moving a directory fails, `copy_dir()` can be used for a recursive copy.
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*
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* Use `move_dir()` for moving directories with OPcache invalidation and a
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* fallback to `copy_dir()`.
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*
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* @since 2.5.0
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*
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* @param string $source Path to the source file or directory.
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* @param string $destination Path to the destination file or directory.
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* @param bool $overwrite Optional. Whether to overwrite the destination if it exists.
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* Default false.
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* @return bool True on success, false on failure.
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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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* Deletes a file or directory.
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*
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* @since 2.5.0
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*
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* @param string $file Path to the file or directory.
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* @param bool $recursive Optional. If set to true, deletes files and folders recursively.
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* Default false.
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* @param string|false $type Type of resource. 'f' for file, 'd' for directory.
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* Default false.
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* @return bool True on success, false on failure.
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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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}
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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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}
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if ( ! $recursive ) {
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return ftp_rmdir( $this->link, $file );
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}
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$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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}
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}
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return ftp_rmdir( $this->link, $file );
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}
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/**
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* Checks if a file or directory exists.
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*
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* @since 2.5.0
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* @since 6.3.0 Returns false for an empty path.
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*
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* @param string $path Path to file or directory.
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* @return bool Whether $path exists or not.
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*/
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public function exists( $path ) {
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/*
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* Check for empty path. If ftp_nlist() receives an empty path,
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* it checks the current working directory and may return true.
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*
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* See https://core.trac.wordpress.org/ticket/33058.
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*/
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if ( '' === $path ) {
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return false;
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}
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$list = ftp_nlist( $this->link, $path );
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if ( empty( $list ) && $this->is_dir( $path ) ) {
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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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}
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/**
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* Checks if resource is a file.
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*
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* @since 2.5.0
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*
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* @param string $file File path.
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* @return bool Whether $file is a file.
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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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* Checks if resource is a directory.
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*
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* @since 2.5.0
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*
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* @param string $path Directory path.
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* @return bool Whether $path is a directory.
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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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* Checks if a file is readable.
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*
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* @since 2.5.0
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*
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* @param string $file Path to file.
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* @return bool Whether $file is readable.
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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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* Checks if a file or directory is writable.
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*
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* @since 2.5.0
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*
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* @param string $path Path to file or directory.
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* @return bool Whether $path is writable.
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*/
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public function is_writable( $path ) {
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return true;
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}
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/**
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* Gets the file's last access time.
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*
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* @since 2.5.0
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*
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* @param string $file Path to file.
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* @return int|false Unix timestamp representing last access time, false on failure.
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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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* Gets the file modification time.
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*
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* @since 2.5.0
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*
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* @param string $file Path to file.
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* @return int|false Unix timestamp representing modification time, false on failure.
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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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* Gets the file size (in bytes).
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*
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* @since 2.5.0
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*
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* @param string $file Path to file.
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* @return int|false Size of the file in bytes on success, false on failure.
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*/
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public function size( $file ) {
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$size = ftp_size( $this->link, $file );
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return ( $size > -1 ) ? $size : false;
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}
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/**
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* Sets the access and modification times of a file.
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*
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* Note: If $file doesn't exist, it will be created.
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*
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* @since 2.5.0
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*
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* @param string $file Path to file.
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* @param int $time Optional. Modified time to set for file.
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* Default 0.
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* @param int $atime Optional. Access time to set for file.
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* Default 0.
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* @return bool True on success, false on failure.
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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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* Creates a directory.
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*
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* @since 2.5.0
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|
*
|
|
* @param string $path Path for new directory.
|
|
* @param int|false $chmod Optional. The permissions as octal number (or false to skip chmod).
|
|
* Default false.
|
|
* @param string|int|false $chown Optional. A user name or number (or false to skip chown).
|
|
* Default false.
|
|
* @param string|int|false $chgrp Optional. A group name or number (or false to skip chgrp).
|
|
* Default false.
|
|
* @return bool True on success, false on failure.
|
|
*/
|
|
public 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 );
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Deletes a directory.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param string $path Path to directory.
|
|
* @param bool $recursive Optional. Whether to recursively remove files/directories.
|
|
* Default false.
|
|
* @return bool True on success, false on failure.
|
|
*/
|
|
public function rmdir( $path, $recursive = false ) {
|
|
return $this->delete( $path, $recursive );
|
|
}
|
|
|
|
/**
|
|
* @param string $line
|
|
* @return array {
|
|
* Array of file information.
|
|
*
|
|
* @type string $name Name of the file or directory.
|
|
* @type string $perms *nix representation of permissions.
|
|
* @type string $permsn Octal representation of permissions.
|
|
* @type string|false $number File number as a string, or false if not available.
|
|
* @type string|false $owner Owner name or ID, or false if not available.
|
|
* @type string|false $group File permissions group, or false if not available.
|
|
* @type string|false $size Size of file in bytes as a string, or false if not available.
|
|
* @type string|false $lastmodunix Last modified unix timestamp as a string, or false if not available.
|
|
* @type string|false $lastmod Last modified month (3 letters) and day (without leading 0), or
|
|
* false if not available.
|
|
* @type string|false $time Last modified time, or false if not available.
|
|
* @type string $type Type of resource. 'f' for file, 'd' for directory, 'l' for link.
|
|
* @type array|false $files If a directory and `$recursive` is true, contains another array of files.
|
|
* False if unable to list directory contents.
|
|
* }
|
|
*/
|
|
public function parselisting( $line ) {
|
|
static $is_windows = null;
|
|
|
|
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; // 4-digit year fix.
|
|
}
|
|
|
|
$b['isdir'] = ( '<DIR>' === $lucifer[7] );
|
|
|
|
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 );
|
|
|
|
if ( $lucifer ) {
|
|
// echo $line."\n";
|
|
$lcount = count( $lucifer );
|
|
|
|
if ( $lcount < 8 ) {
|
|
return '';
|
|
}
|
|
|
|
$b = array();
|
|
$b['isdir'] = 'd' === $lucifer[0][0];
|
|
$b['islink'] = 'l' === $lucifer[0][0];
|
|
|
|
if ( $b['isdir'] ) {
|
|
$b['type'] = 'd';
|
|
} elseif ( $b['islink'] ) {
|
|
$b['type'] = 'l';
|
|
} else {
|
|
$b['type'] = 'f';
|
|
}
|
|
|
|
$b['perms'] = $lucifer[0];
|
|
$b['permsn'] = $this->getnumchmodfromh( $b['perms'] );
|
|
$b['number'] = $lucifer[1];
|
|
$b['owner'] = $lucifer[2];
|
|
$b['group'] = $lucifer[3];
|
|
$b['size'] = $lucifer[4];
|
|
|
|
if ( 8 === $lcount ) {
|
|
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'] = gmdate( '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 ( isset( $b['islink'] ) && $b['islink'] ) {
|
|
$b['name'] = preg_replace( '/(\s*->\s*.*)$/', '', $b['name'] );
|
|
}
|
|
|
|
return $b;
|
|
}
|
|
|
|
/**
|
|
* Gets details for files in a directory or a specific file.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param string $path Path to directory or file.
|
|
* @param bool $include_hidden Optional. Whether to include details of hidden ("." prefixed) files.
|
|
* Default true.
|
|
* @param bool $recursive Optional. Whether to recursively include file details in nested directories.
|
|
* Default false.
|
|
* @return array|false {
|
|
* Array of arrays containing file information. False if unable to list directory contents.
|
|
*
|
|
* @type array $0... {
|
|
* Array of file information. Note that some elements may not be available on all filesystems.
|
|
*
|
|
* @type string $name Name of the file or directory.
|
|
* @type string $perms *nix representation of permissions.
|
|
* @type string $permsn Octal representation of permissions.
|
|
* @type int|string|false $number File number. May be a numeric string. False if not available.
|
|
* @type string|false $owner Owner name or ID, or false if not available.
|
|
* @type string|false $group File permissions group, or false if not available.
|
|
* @type int|string|false $size Size of file in bytes. May be a numeric string.
|
|
* False if not available.
|
|
* @type int|string|false $lastmodunix Last modified unix timestamp. May be a numeric string.
|
|
* False if not available.
|
|
* @type string|false $lastmod Last modified month (3 letters) and day (without leading 0), or
|
|
* false if not available.
|
|
* @type string|false $time Last modified time, or false if not available.
|
|
* @type string $type Type of resource. 'f' for file, 'd' for directory, 'l' for link.
|
|
* @type array|false $files If a directory and `$recursive` is true, contains another array of
|
|
* files. False if unable to list directory contents.
|
|
* }
|
|
* }
|
|
*/
|
|
public 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 ) ) { // Can't 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;
|
|
}
|
|
|
|
$path = trailingslashit( $path );
|
|
$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;
|
|
}
|
|
|
|
/**
|
|
* Destructor.
|
|
*
|
|
* @since 2.5.0
|
|
*/
|
|
public function __destruct() {
|
|
if ( $this->link ) {
|
|
ftp_close( $this->link );
|
|
}
|
|
}
|
|
}
|