mirror of
https://github.com/WordPress/WordPress.git
synced 2024-08-07 21:22:57 +02:00
09da29102b
This fixes the 'The update cannot be installed because we will be unable to copy some files.' error encountered during updates by skipping the write test completely. Props jobst. Fixes #33480 for trunk Built from https://develop.svn.wordpress.org/trunk@33688 git-svn-id: http://core.svn.wordpress.org/trunk@33655 1a063a9b-81f0-0310-95a4-ce76da25c4cd
518 lines
14 KiB
PHP
518 lines
14 KiB
PHP
<?php
|
|
/**
|
|
* WordPress Filesystem Class for implementing SSH2
|
|
*
|
|
* To use this class you must follow these steps for PHP 5.2.6+
|
|
*
|
|
* @contrib http://kevin.vanzonneveld.net/techblog/article/make_ssh_connections_with_php/ - Installation Notes
|
|
*
|
|
* Complie libssh2 (Note: Only 0.14 is officaly working with PHP 5.2.6+ right now, But many users have found the latest versions work)
|
|
*
|
|
* cd /usr/src
|
|
* wget http://surfnet.dl.sourceforge.net/sourceforge/libssh2/libssh2-0.14.tar.gz
|
|
* tar -zxvf libssh2-0.14.tar.gz
|
|
* cd libssh2-0.14/
|
|
* ./configure
|
|
* make all install
|
|
*
|
|
* Note: Do not leave the directory yet!
|
|
*
|
|
* Enter: pecl install -f ssh2
|
|
*
|
|
* Copy the ssh.so file it creates to your PHP Module Directory.
|
|
* Open up your PHP.INI file and look for where extensions are placed.
|
|
* Add in your PHP.ini file: extension=ssh2.so
|
|
*
|
|
* Restart Apache!
|
|
* Check phpinfo() streams to confirm that: ssh2.shell, ssh2.exec, ssh2.tunnel, ssh2.scp, ssh2.sftp exist.
|
|
*
|
|
* Note: as of WordPress 2.8, This utilises the PHP5+ function 'stream_get_contents'
|
|
*
|
|
* @since 2.7.0
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Filesystem
|
|
*/
|
|
class WP_Filesystem_SSH2 extends WP_Filesystem_Base {
|
|
|
|
public $link = false;
|
|
/**
|
|
* @var resource
|
|
*/
|
|
public $sftp_link;
|
|
public $keys = false;
|
|
|
|
/**
|
|
*
|
|
* @param array $opt
|
|
*/
|
|
public function __construct( $opt = '' ) {
|
|
$this->method = 'ssh2';
|
|
$this->errors = new WP_Error();
|
|
|
|
//Check if possible to use ssh2 functions.
|
|
if ( ! extension_loaded('ssh2') ) {
|
|
$this->errors->add('no_ssh2_ext', __('The ssh2 PHP extension is not available'));
|
|
return;
|
|
}
|
|
if ( !function_exists('stream_get_contents') ) {
|
|
$this->errors->add('ssh2_php_requirement', __('The ssh2 PHP extension is available, however, we require the PHP5 function <code>stream_get_contents()</code>'));
|
|
return;
|
|
}
|
|
|
|
// Set defaults:
|
|
if ( empty($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'] = $opt['hostname'];
|
|
|
|
// Check if the options provided are OK.
|
|
if ( !empty ($opt['public_key']) && !empty ($opt['private_key']) ) {
|
|
$this->options['public_key'] = $opt['public_key'];
|
|
$this->options['private_key'] = $opt['private_key'];
|
|
|
|
$this->options['hostkey'] = array('hostkey' => 'ssh-rsa');
|
|
|
|
$this->keys = true;
|
|
} elseif ( empty ($opt['username']) ) {
|
|
$this->errors->add('empty_username', __('SSH2 username is required'));
|
|
}
|
|
|
|
if ( !empty($opt['username']) )
|
|
$this->options['username'] = $opt['username'];
|
|
|
|
if ( empty ($opt['password']) ) {
|
|
// Password can be blank if we are using keys.
|
|
if ( !$this->keys )
|
|
$this->errors->add('empty_password', __('SSH2 password is required'));
|
|
} else {
|
|
$this->options['password'] = $opt['password'];
|
|
}
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function connect() {
|
|
if ( ! $this->keys ) {
|
|
$this->link = @ssh2_connect($this->options['hostname'], $this->options['port']);
|
|
} else {
|
|
$this->link = @ssh2_connect($this->options['hostname'], $this->options['port'], $this->options['hostkey']);
|
|
}
|
|
|
|
if ( ! $this->link ) {
|
|
$this->errors->add('connect', sprintf(__('Failed to connect to SSH2 Server %1$s:%2$s'), $this->options['hostname'], $this->options['port']));
|
|
return false;
|
|
}
|
|
|
|
if ( !$this->keys ) {
|
|
if ( ! @ssh2_auth_password($this->link, $this->options['username'], $this->options['password']) ) {
|
|
$this->errors->add('auth', sprintf(__('Username/Password incorrect for %s'), $this->options['username']));
|
|
return false;
|
|
}
|
|
} else {
|
|
if ( ! @ssh2_auth_pubkey_file($this->link, $this->options['username'], $this->options['public_key'], $this->options['private_key'], $this->options['password'] ) ) {
|
|
$this->errors->add('auth', sprintf(__('Public and Private keys incorrect for %s'), $this->options['username']));
|
|
return false;
|
|
}
|
|
}
|
|
|
|
$this->sftp_link = ssh2_sftp($this->link);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param string $command
|
|
* @param bool $returnbool
|
|
* @return bool|string
|
|
*/
|
|
public function run_command( $command, $returnbool = false ) {
|
|
if ( ! $this->link )
|
|
return false;
|
|
|
|
if ( ! ($stream = ssh2_exec($this->link, $command)) ) {
|
|
$this->errors->add('command', sprintf(__('Unable to perform command: %s'), $command));
|
|
} else {
|
|
stream_set_blocking( $stream, true );
|
|
stream_set_timeout( $stream, FS_TIMEOUT );
|
|
$data = stream_get_contents( $stream );
|
|
fclose( $stream );
|
|
|
|
if ( $returnbool )
|
|
return ( $data === false ) ? false : '' != trim($data);
|
|
else
|
|
return $data;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* @param string $file
|
|
* @return string|false
|
|
*/
|
|
public function get_contents( $file ) {
|
|
$file = ltrim($file, '/');
|
|
return file_get_contents('ssh2.sftp://' . $this->sftp_link . '/' . $file);
|
|
}
|
|
|
|
/**
|
|
* @param string $file
|
|
* @return array
|
|
*/
|
|
public function get_contents_array($file) {
|
|
$file = ltrim($file, '/');
|
|
return file('ssh2.sftp://' . $this->sftp_link . '/' . $file);
|
|
}
|
|
|
|
/**
|
|
* @param string $file
|
|
* @param string $contents
|
|
* @param bool|int $mode
|
|
* @return bool
|
|
*/
|
|
public function put_contents($file, $contents, $mode = false ) {
|
|
$ret = file_put_contents( 'ssh2.sftp://' . $this->sftp_link . '/' . ltrim( $file, '/' ), $contents );
|
|
|
|
if ( $ret !== strlen( $contents ) )
|
|
return false;
|
|
|
|
$this->chmod($file, $mode);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function cwd() {
|
|
$cwd = ssh2_sftp_realpath( $this->sftp_link, '.' );
|
|
if ( $cwd ) {
|
|
$cwd = trailingslashit( trim( $cwd ) );
|
|
}
|
|
return $cwd;
|
|
}
|
|
|
|
/**
|
|
* @param string $dir
|
|
* @return bool|string
|
|
*/
|
|
public function chdir($dir) {
|
|
return $this->run_command('cd ' . $dir, true);
|
|
}
|
|
|
|
/**
|
|
* @param string $file
|
|
* @param string $group
|
|
* @param bool $recursive
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function chgrp($file, $group, $recursive = false ) {
|
|
if ( ! $this->exists($file) )
|
|
return false;
|
|
if ( ! $recursive || ! $this->is_dir($file) )
|
|
return $this->run_command(sprintf('chgrp %s %s', escapeshellarg($group), escapeshellarg($file)), true);
|
|
return $this->run_command(sprintf('chgrp -R %s %s', escapeshellarg($group), escapeshellarg($file)), true);
|
|
}
|
|
|
|
/**
|
|
* @param string $file
|
|
* @param int $mode
|
|
* @param bool $recursive
|
|
* @return bool|string
|
|
*/
|
|
public function chmod($file, $mode = false, $recursive = false) {
|
|
if ( ! $this->exists($file) )
|
|
return false;
|
|
|
|
if ( ! $mode ) {
|
|
if ( $this->is_file($file) )
|
|
$mode = FS_CHMOD_FILE;
|
|
elseif ( $this->is_dir($file) )
|
|
$mode = FS_CHMOD_DIR;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
if ( ! $recursive || ! $this->is_dir($file) )
|
|
return $this->run_command(sprintf('chmod %o %s', $mode, escapeshellarg($file)), true);
|
|
return $this->run_command(sprintf('chmod -R %o %s', $mode, escapeshellarg($file)), true);
|
|
}
|
|
|
|
/**
|
|
* Change the ownership of a file / folder.
|
|
*
|
|
* @since Unknown
|
|
*
|
|
* @param string $file Path to the file.
|
|
* @param string|int $owner A user name or number.
|
|
* @param bool $recursive Optional. If set True changes file owner recursivly. Defaults to False.
|
|
* @return bool|string Returns true on success or false on failure.
|
|
*/
|
|
public function chown( $file, $owner, $recursive = false ) {
|
|
if ( ! $this->exists($file) )
|
|
return false;
|
|
if ( ! $recursive || ! $this->is_dir($file) )
|
|
return $this->run_command(sprintf('chown %s %s', escapeshellarg($owner), escapeshellarg($file)), true);
|
|
return $this->run_command(sprintf('chown -R %s %s', escapeshellarg($owner), escapeshellarg($file)), true);
|
|
}
|
|
|
|
/**
|
|
* @param string $file
|
|
* @return string|false
|
|
*/
|
|
public function owner($file) {
|
|
$owneruid = @fileowner('ssh2.sftp://' . $this->sftp_link . '/' . ltrim($file, '/'));
|
|
if ( ! $owneruid )
|
|
return false;
|
|
if ( ! function_exists('posix_getpwuid') )
|
|
return $owneruid;
|
|
$ownerarray = posix_getpwuid($owneruid);
|
|
return $ownerarray['name'];
|
|
}
|
|
/**
|
|
* @param string $file
|
|
* @return string
|
|
*/
|
|
public function getchmod($file) {
|
|
return substr( decoct( @fileperms( 'ssh2.sftp://' . $this->sftp_link . '/' . ltrim( $file, '/' ) ) ), -3 );
|
|
}
|
|
|
|
/**
|
|
* @param string $file
|
|
* @return string|false
|
|
*/
|
|
public function group($file) {
|
|
$gid = @filegroup('ssh2.sftp://' . $this->sftp_link . '/' . ltrim($file, '/'));
|
|
if ( ! $gid )
|
|
return false;
|
|
if ( ! function_exists('posix_getgrgid') )
|
|
return $gid;
|
|
$grouparray = posix_getgrgid($gid);
|
|
return $grouparray['name'];
|
|
}
|
|
|
|
/**
|
|
* @param string $source
|
|
* @param string $destination
|
|
* @param bool $overwrite
|
|
* @param int|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 @ssh2_sftp_rename( $this->sftp_link, $source, $destination );
|
|
}
|
|
|
|
/**
|
|
* @param string $file
|
|
* @param bool $recursive
|
|
* @param string|bool $type
|
|
* @return bool
|
|
*/
|
|
public function delete($file, $recursive = false, $type = false) {
|
|
if ( 'f' == $type || $this->is_file($file) )
|
|
return ssh2_sftp_unlink($this->sftp_link, $file);
|
|
if ( ! $recursive )
|
|
return ssh2_sftp_rmdir($this->sftp_link, $file);
|
|
$filelist = $this->dirlist($file);
|
|
if ( is_array($filelist) ) {
|
|
foreach ( $filelist as $filename => $fileinfo) {
|
|
$this->delete($file . '/' . $filename, $recursive, $fileinfo['type']);
|
|
}
|
|
}
|
|
return ssh2_sftp_rmdir($this->sftp_link, $file);
|
|
}
|
|
|
|
/**
|
|
* @param string $file
|
|
* @return bool
|
|
*/
|
|
public function exists($file) {
|
|
$file = ltrim($file, '/');
|
|
return file_exists('ssh2.sftp://' . $this->sftp_link . '/' . $file);
|
|
}
|
|
/**
|
|
* @param string $file
|
|
* @return bool
|
|
*/
|
|
public function is_file($file) {
|
|
$file = ltrim($file, '/');
|
|
return is_file('ssh2.sftp://' . $this->sftp_link . '/' . $file);
|
|
}
|
|
/**
|
|
* @param string $path
|
|
* @return bool
|
|
*/
|
|
public function is_dir($path) {
|
|
$path = ltrim($path, '/');
|
|
return is_dir('ssh2.sftp://' . $this->sftp_link . '/' . $path);
|
|
}
|
|
/**
|
|
* @param string $file
|
|
* @return bool
|
|
*/
|
|
public function is_readable($file) {
|
|
$file = ltrim($file, '/');
|
|
return is_readable('ssh2.sftp://' . $this->sftp_link . '/' . $file);
|
|
}
|
|
/**
|
|
* @param string $file
|
|
* @return bool
|
|
*/
|
|
public function is_writable($file) {
|
|
// PHP will base it's writable checks on system_user === file_owner, not ssh_user === file_owner
|
|
return true;
|
|
}
|
|
/**
|
|
* @param string $file
|
|
* @return int
|
|
*/
|
|
public function atime($file) {
|
|
$file = ltrim($file, '/');
|
|
return fileatime('ssh2.sftp://' . $this->sftp_link . '/' . $file);
|
|
}
|
|
|
|
/**
|
|
* @param string $file
|
|
* @return int
|
|
*/
|
|
public function mtime($file) {
|
|
$file = ltrim($file, '/');
|
|
return filemtime('ssh2.sftp://' . $this->sftp_link . '/' . $file);
|
|
}
|
|
|
|
/**
|
|
* @param string $file
|
|
* @return int
|
|
*/
|
|
public function size($file) {
|
|
$file = ltrim($file, '/');
|
|
return filesize('ssh2.sftp://' . $this->sftp_link . '/' . $file);
|
|
}
|
|
|
|
/**
|
|
* @param string $file
|
|
* @param int $time
|
|
* @param int $atime
|
|
*/
|
|
public function touch($file, $time = 0, $atime = 0) {
|
|
//Not implemented.
|
|
}
|
|
|
|
/**
|
|
* @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 ( ! $chmod )
|
|
$chmod = FS_CHMOD_DIR;
|
|
if ( ! ssh2_sftp_mkdir($this->sftp_link, $path, $chmod, true) )
|
|
return false;
|
|
if ( $chown )
|
|
$this->chown($path, $chown);
|
|
if ( $chgrp )
|
|
$this->chgrp($path, $chgrp);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param string $path
|
|
* @param bool $recursive
|
|
* @return bool
|
|
*/
|
|
public function rmdir($path, $recursive = false) {
|
|
return $this->delete($path, $recursive);
|
|
}
|
|
|
|
/**
|
|
* @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;
|
|
}
|
|
|
|
if ( ! $this->is_dir($path) )
|
|
return false;
|
|
|
|
$ret = array();
|
|
$dir = @dir('ssh2.sftp://' . $this->sftp_link .'/' . ltrim($path, '/') );
|
|
|
|
if ( ! $dir )
|
|
return false;
|
|
|
|
while (false !== ($entry = $dir->read()) ) {
|
|
$struc = array();
|
|
$struc['name'] = $entry;
|
|
|
|
if ( '.' == $struc['name'] || '..' == $struc['name'] )
|
|
continue; //Do not care about these folders.
|
|
|
|
if ( ! $include_hidden && '.' == $struc['name'][0] )
|
|
continue;
|
|
|
|
if ( $limit_file && $struc['name'] != $limit_file )
|
|
continue;
|
|
|
|
$struc['perms'] = $this->gethchmod($path.'/'.$entry);
|
|
$struc['permsn'] = $this->getnumchmodfromh($struc['perms']);
|
|
$struc['number'] = false;
|
|
$struc['owner'] = $this->owner($path.'/'.$entry);
|
|
$struc['group'] = $this->group($path.'/'.$entry);
|
|
$struc['size'] = $this->size($path.'/'.$entry);
|
|
$struc['lastmodunix']= $this->mtime($path.'/'.$entry);
|
|
$struc['lastmod'] = date('M j',$struc['lastmodunix']);
|
|
$struc['time'] = date('h:i:s',$struc['lastmodunix']);
|
|
$struc['type'] = $this->is_dir($path.'/'.$entry) ? 'd' : 'f';
|
|
|
|
if ( 'd' == $struc['type'] ) {
|
|
if ( $recursive )
|
|
$struc['files'] = $this->dirlist($path . '/' . $struc['name'], $include_hidden, $recursive);
|
|
else
|
|
$struc['files'] = array();
|
|
}
|
|
|
|
$ret[ $struc['name'] ] = $struc;
|
|
}
|
|
$dir->close();
|
|
unset($dir);
|
|
return $ret;
|
|
}
|
|
}
|