Wordpress/wp-admin/includes/class-wp-filesystem-ssh2.php
Ryan Boren 7ccb9abd4b SSH2 filesystem. Props ShaneF. see #7690
git-svn-id: https://develop.svn.wordpress.org/trunk@8812 602fd350-edb4-49c9-b593-d223f7449a82
2008-09-05 05:47:08 +00:00

451 lines
12 KiB
PHP

<?php
/**
* WordPress SSH2 Filesystem.
*
* @package WordPress
* @subpackage Filesystem
*/
/**
* WordPress Filesystem Class for implementing SSH2.
*
* @since 2.7
* @package WordPress
* @subpackage Filesystem
* @uses WP_Filesystem_Base Extends class
*/
class WP_Filesystem_SSH2 extends WP_Filesystem_Base {
var $debugtest = true; // this is my var that will output the text when debuggin this class
var $link;
var $timeout = 5;
var $errors = array();
var $options = array();
var $permission = null;
var $filetypes = array(
'php'=>FTP_ASCII,
'css'=>FTP_ASCII,
'txt'=>FTP_ASCII,
'js'=>FTP_ASCII,
'html'=>FTP_ASCII,
'htm'=>FTP_ASCII,
'xml'=>FTP_ASCII,
'jpg'=>FTP_BINARY,
'png'=>FTP_BINARY,
'gif'=>FTP_BINARY,
'bmp'=>FTP_BINARY
);
function WP_Filesystem_SSH2($opt='') {
$this->method = 'ssh2';
$this->errors = new WP_Error();
//Check if possible to use ftp functions.
if ( ! extension_loaded('ssh2') ) {
$this->errors->add('no_ssh2_ext', __('The ssh2 PHP extension is not available'));
return false;
}
// Set defaults:
if ( empty($opt['port']) )
$this->options['port'] = 22;
else
$this->options['port'] = $opt['port'];
if ( empty($opt['hostname']) )
$this->errors->add('empty_hostname', __('SSH2 hostname is required'));
else
$this->options['hostname'] = $opt['hostname'];
if ( isset($opt['base']) && ! empty($opt['base']) )
$this->wp_base = $opt['base'];
// Check if the options provided are OK.
if ( empty ($opt['username']) )
$this->errors->add('empty_username', __('SSH2 username is required'));
else
$this->options['username'] = $opt['username'];
if ( empty ($opt['password']) )
$this->errors->add('empty_password', __('SSH password is required'));
else
$this->options['password'] = $opt['password'];
}
function connect() {
$this->debug("connect();");
$this->link = @ssh2_connect($this->options['hostname'], $this->options['port']);
if ( ! $this->link ) {
$this->errors->add('connect', sprintf(__('Failed to connect to SSH2 Server %1$s:%2$s'), $this->options['hostname'], $this->options['port']));
return false;
}
if ( ! @ssh2_auth_password($this->link,$this->options['username'], $this->options['password']) ) {
$this->errors->add('auth', sprintf(__('Username/Password incorrect for %s'), $this->options['username']));
return false;
}
return true;
}
function run_command($link, $command, $returnbool = false) {
$this->debug("run_command(".$command.");");
if(!($stream = @ssh2_exec( $link, $command ))) {
$this->errors->add('command', sprintf(__('Unable to preform command: %s'), $command));
} else {
stream_set_blocking( $stream, true );
$time_start = time();
$data = "";
while( true ) {
if( (time()-$time_start) > $this->timeout ){
$this->errors->add('command', sprintf(__('Connection to the server has timeout after %s seconds.'), $this->timeout));
break;
}
while( $buf = fread( $stream, strlen($stream) ) ){
$data .= $buf;
}
}
fclose($stream);
if (($returnbool) && ($data)) {
$this->debug("Data: " . print_r($data, true) . " Returning: True");
return true;
} elseif (($returnbool) && (!$data)) {
$this->debug("Data: " . print_r($data, true) . " Returning: False");
return false;
} else {
$this->debug("Data: " . print_r($data, true));
return $data;
}
}
}
function debug($text)
{
if ($this->debugtest)
{
echo $text . "<br/>";
}
}
function setDefaultPermissions($perm) {
$this->permission = $perm;
}
function get_contents($file, $type = '', $resumepos = 0 ){
if( empty($type) ){
$extension = substr(strrchr($file, "."), 1);
$type = isset($this->filetypes[ $extension ]) ? $this->filetypes[ $extension ] : FTP_ASCII;
}
$temp = tmpfile();
if ( ! $temp )
return false;
if( ! @ssh2_scp_recv($this->link, $temp, $file) )
return false;
fseek($temp, 0); //Skip back to the start of the file being written to
$contents = '';
while (!feof($temp)) {
$contents .= fread($temp, 8192);
}
fclose($temp);
return $contents;
}
function get_contents_array($file) {
return explode("\n", $this->get_contents($file));
}
function put_contents($file, $contents, $type = '' ) {
if( empty($type) ) {
$extension = substr(strrchr($file, "."), 1);
$type = isset($this->filetypes[ $extension ]) ? $this->filetypes[ $extension ] : FTP_ASCII;
}
$temp = tmpfile();
if ( ! $temp )
return false;
fwrite($temp, $contents);
fseek($temp, 0); //Skip back to the start of the file being written to
$ret = @ssh2_scp_send($this->link, $file, $temp, $type);
fclose($temp);
return $ret;
}
function cwd() {
$cwd = $this->run_command($this->link, "pwd");
if( $cwd )
$cwd = trailingslashit($cwd);
return $cwd;
}
function chdir($dir) {
if ($this->run_command($this->link, "cd " . $dir, true)) {
return true;
}
return false;
}
function chgrp($file, $group, $recursive = false ) {
return false;
}
function chmod($file, $mode = false, $recursive = false) {
if( ! $mode )
$mode = $this->permission;
if( ! $mode )
return false;
if ( ! $this->exists($file) )
return false;
if ( ! $recursive || ! $this->is_dir($file) ) {
return $this->run_command($this->link, sprintf('CHMOD %o %s', $mode, $file), true);
}
//Is a directory, and we want recursive
$filelist = $this->dirlist($file);
foreach($filelist as $filename){
$this->chmod($file . '/' . $filename, $mode, $recursive);
}
return true;
}
function chown($file, $owner, $recursive = false ) {
return false;
}
function owner($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 ) {
if( ! $overwrite && $this->exists($destination) )
return false;
$content = $this->get_contents($source);
if( false === $content)
return false;
return $this->put_contents($destination, $content);
}
function move($source, $destination, $overwrite = false) {
return @ssh2_sftp_rename($this->link, $source, $destination);
}
function delete($file, $recursive=false) {
if ( $this->is_file($file) )
return @ssh2_sftp_unlink($this->link, $file);
if ( !$recursive )
return @ssh2_sftp_rmdir($this->link, $file);
$filelist = $this->dirlist($file);
foreach ((array) $filelist as $filename => $fileinfo) {
$this->delete($file . '/' . $filename, $recursive);
}
return @ssh2_sftp_rmdir($this->link, $file);
}
function exists($file) {
$list = $this->run_command($this->link, sprintf('ls -la %s', $file));
if( ! $list )
return false;
return count($list) == 1 ? true : false;
}
function is_file($file) {
return $this->is_dir($file) ? false : true;
}
function is_dir($path) {
$cwd = $this->cwd();
$result = $this->run_command($this->link, sprintf('cd %s', $path), true);
if( $result && $path == $this->cwd() || $this->cwd() != $cwd ) {
// @todo: use ssh2_exec
@ftp_chdir($this->link, $cwd);
return true;
}
return false;
}
function is_readable($file) {
//Get dir list, Check if the file is writable by the current user??
return true;
}
function is_writable($file) {
//Get dir list, Check if the file is writable by the current user??
return true;
}
function atime($file) {
return false;
}
function mtime($file) {
return; // i have to look up to see if there is a way in SSH2 to look the modifed date
// return ftp_mdtm($this->link, $file);
}
function size($file) {
return; // i have to look up to see if there is a way in SSH2 to get the file size
// return ftp_size($this->link, $file);
}
function touch($file, $time = 0, $atime = 0) {
return false;
}
function mkdir($path, $chmod = false, $chown = false, $chgrp = false) {
if( !@ssh2_sftp_mkdir($this->link, $path) )
return false;
if( $chmod )
$this->chmod($path, $chmod);
if( $chown )
$this->chown($path, $chown);
if( $chgrp )
$this->chgrp($path, $chgrp);
return true;
}
function rmdir($path, $recursive = false) {
if( ! $recursive )
return @ssh2_sftp_rmdir($this->link, $path);
//TODO: Recursive Directory delete, Have to delete files from the folder first.
//$dir = $this->dirlist($path);
//foreach($dir as $file)
}
function parselisting($line) {
$is_windows = ($this->OS_remote == FTP_OS_Windows);
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'] = $lucifer[8];
} else if (!$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];
}
}
return $b;
}
function dirlist($path = '.', $incdot = false, $recursive = false) {
if( $this->is_file($path) ) {
$limitFile = basename($path);
$path = dirname($path) . '/';
} else {
$limitFile = false;
}
$list = $this->run_command($this->link, sprintf('ls -a %s', $path));
if ( $list === false )
return false;
$dirlist = array();
foreach ( $list as $k => $v ) {
$entry = $this->parselisting($v);
if ( empty($entry) )
continue;
if ( '.' == $entry["name"] || '..' == $entry["name"] )
continue;
$dirlist[ $entry['name'] ] = $entry;
}
if ( ! $dirlist )
return false;
if ( empty($dirlist) )
return array();
$ret = array();
foreach ( $dirlist as $struc ) {
if ( 'd' == $struc['type'] ) {
$struc['files'] = array();
if ( $incdot ){
//We're including the doted starts
if( '.' != $struc['name'] && '..' != $struc['name'] ){ //Ok, It isnt a special folder
if ($recursive)
$struc['files'] = $this->dirlist($path . '/' . $struc['name'], $incdot, $recursive);
}
} else { //No dots
if ($recursive)
$struc['files'] = $this->dirlist($path . '/' . $struc['name'], $incdot, $recursive);
}
}
//File
$ret[$struc['name']] = $struc;
}
return $ret;
}
function __destruct(){
if( $this->link )
unset($this->link);
}
}
?>