WordPress/wp-admin/includes/class-wp-filesystem-ftpext.php
Drew Jaynes 1a28ec87e1 Docs: Remove @access notations from method DocBlocks in wp-admin/* classes.
Prior to about 2013, many class methods lacked even access modifiers which made the `@access` notations that much more useful. Now that we've gotten to a point where the codebase is more mature from a maintenance perspective and we can finally remove these notations. Notable exceptions to this change include standalone functions notated as private as well as some classes still considered to represent "private" APIs.

See #41452.

Built from https://develop.svn.wordpress.org/trunk@41161


git-svn-id: http://core.svn.wordpress.org/trunk@41001 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-07-27 00:40:43 +00:00

582 lines
13 KiB
PHP

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