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Mini Shell
<?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 );
}
}
}
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