wp/wp-admin/includes/class-wp-filesystem-ftpext.php
changeset 0 d970ebf37754
child 5 5e2f62d02dcd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-admin/includes/class-wp-filesystem-ftpext.php	Wed Nov 06 03:21:17 2013 +0000
@@ -0,0 +1,415 @@
+<?php
+/**
+ * WordPress FTP Filesystem.
+ *
+ * @package WordPress
+ * @subpackage Filesystem
+ */
+
+/**
+ * WordPress Filesystem Class for implementing FTP.
+ *
+ * @since 2.5
+ * @package WordPress
+ * @subpackage Filesystem
+ * @uses WP_Filesystem_Base Extends class
+ */
+class WP_Filesystem_FTPext extends WP_Filesystem_Base {
+	var $link;
+	var $errors = null;
+	var $options = array();
+
+	function __construct($opt='') {
+		$this->method = 'ftpext';
+		$this->errors = new WP_Error();
+
+		// Check if possible to use ftp functions.
+		if ( ! extension_loaded('ftp') ) {
+			$this->errors->add('no_ftp_ext', __('The ftp PHP extension is not available'));
+			return false;
+		}
+
+		// This Class uses the timeout on a per-connection basis, Others use it on a per-action basis.
+
+		if ( ! defined('FS_TIMEOUT') )
+			define('FS_TIMEOUT', 240);
+
+		if ( empty($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'] = $opt['hostname'];
+
+		if ( ! empty($opt['base']) )
+			$this->wp_base = $opt['base'];
+
+		// Check if the options provided are OK.
+		if ( empty($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'] )
+			$this->options['ssl'] = true;
+	}
+
+	function connect() {
+		if ( isset($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 ) {
+			$this->errors->add('connect', sprintf(__('Failed to connect to FTP Server %1$s:%2$s'), $this->options['hostname'], $this->options['port']));
+			return false;
+		}
+
+		if ( ! @ftp_login($this->link,$this->options['username'], $this->options['password']) ) {
+			$this->errors->add('auth', 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;
+	}
+
+	function get_contents( $file ) {
+		$tempfile = wp_tempnam($file);
+		$temp = fopen($tempfile, 'w+');
+
+		if ( ! $temp )
+			return false;
+
+		if ( ! @ftp_fget($this->link, $temp, $file, FTP_BINARY ) )
+			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 $contents;
+	}
+
+	function get_contents_array($file) {
+		return explode("\n", $this->get_contents($file));
+	}
+
+	function put_contents($file, $contents, $mode = false ) {
+		$tempfile = wp_tempnam($file);
+		$temp = fopen( $tempfile, 'wb+' );
+		if ( ! $temp )
+			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;
+	}
+
+	function cwd() {
+		$cwd = @ftp_pwd($this->link);
+		if ( $cwd )
+			$cwd = trailingslashit($cwd);
+		return $cwd;
+	}
+
+	function chdir($dir) {
+		return @ftp_chdir($this->link, $dir);
+	}
+
+	function chgrp($file, $group, $recursive = false ) {
+		return false;
+	}
+
+	function chmod($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, $file);
+	}
+
+	function owner($file) {
+		$dir = $this->dirlist($file);
+		return $dir[$file]['owner'];
+	}
+
+	function getchmod($file) {
+		$dir = $this->dirlist($file);
+		return $dir[$file]['permsn'];
+	}
+
+	function group($file) {
+		$dir = $this->dirlist($file);
+		return $dir[$file]['group'];
+	}
+
+	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, $mode);
+	}
+
+	function move($source, $destination, $overwrite = false) {
+		return ftp_rename($this->link, $source, $destination);
+	}
+
+	function delete($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, $file);
+	}
+
+	function exists($file) {
+		$list = @ftp_nlist($this->link, $file);
+		return !empty($list); //empty list = no file, so invert.
+	}
+
+	function is_file($file) {
+		return $this->exists($file) && !$this->is_dir($file);
+	}
+
+	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, $cwd);
+			return true;
+		}
+		return false;
+	}
+
+	function is_readable($file) {
+		return true;
+	}
+
+	function is_writable($file) {
+		return true;
+	}
+
+	function atime($file) {
+		return false;
+	}
+
+	function mtime($file) {
+		return ftp_mdtm($this->link, $file);
+	}
+
+	function size($file) {
+		return ftp_size($this->link, $file);
+	}
+
+	function touch($file, $time = 0, $atime = 0) {
+		return false;
+	}
+
+	function mkdir($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);
+		if ( $chown )
+			$this->chown($path, $chown);
+		if ( $chgrp )
+			$this->chgrp($path, $chgrp);
+		return true;
+	}
+
+	function rmdir($path, $recursive = false) {
+		return $this->delete($path, $recursive);
+	}
+
+	function parselisting($line) {
+		static $is_windows;
+		if ( is_null($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['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 ( $b['islink'] )
+			$b['name'] = preg_replace( '/(\s*->\s*.*)$/', '', $b['name'] );
+
+		return $b;
+	}
+
+	function dirlist($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;
+	}
+
+	function __destruct() {
+		if ( $this->link )
+			ftp_close($this->link);
+	}
+}