File: /var/www/Gosurya/WP2/wp-content/plugins/akeebabackupwp/app/Awf/Filesystem/Ftp.php
<?php
/**
* @package awf
* @copyright Copyright (c)2014-2021 Nicholas K. Dionysopoulos / Akeeba Ltd
* @license GNU GPL version 3 or later
*/
namespace Awf\Filesystem;
use Awf\Application\Application;
use Awf\Container\Container;
/**
* FTP filesystem abstraction layer
*/
class Ftp implements FilesystemInterface
{
/** @var Container Application container */
protected $container;
/**
* FTP server's hostname or IP address
*
* @var string
*/
private $host = 'localhost';
/**
* FTP server's port, default: 21
*
* @var integer
*/
private $port = 21;
/**
* Username used to authenticate to the FTP server
*
* @var string
*/
private $username = '';
/**
* Password used to authenticate to the FTP server
*
* @var string
*/
private $password = '';
/**
* FTP initial directory
*
* @var string
*/
private $directory = '/';
/**
* Should I use SSL to connect to the server (FTP over explicit SSL, a.k.a. FTPS)?
*
* @var boolean
*/
private $ssl = false;
/**
* Should I use FTP passive mode?
*
* @var bool
*/
private $passive = true;
/**
* The FTP connection handle
*
* @var resource|null
*/
private $connection = null;
/**
* Public constructor
*
* @param array $options Configuration options for the filesystem abstraction object
* @param Container $container Application container
*
* @return Ftp
*
* @throws \RuntimeException
*/
public function __construct(array $options, Container $container = null)
{
if(!is_object($container))
{
$container = Application::getInstance()->getContainer();
}
$this->container = $container;
if (isset($options['host']))
{
$this->host = $options['host'];
}
if (isset($options['port']))
{
$this->port = (int)$options['port'];
}
if (isset($options['username']))
{
$this->username = $options['username'];
}
if (isset($options['password']))
{
$this->password = $options['password'];
}
if (isset($options['directory']))
{
$this->directory = '/' . ltrim(trim($options['directory']), '/');
}
if (isset($options['ssl']))
{
$this->ssl = $options['ssl'];
}
if (isset($options['passive']))
{
$this->passive = $options['passive'];
}
$this->connect();
}
/**
* Connect to the FTP server
*
* @throws \RuntimeException
*/
public function connect()
{
// Try to connect to the server
if($this->ssl)
{
if(function_exists('ftp_ssl_connect'))
{
$this->connection = @ftp_ssl_connect($this->host, $this->port);
}
else
{
$this->connection = false;
throw new \RuntimeException('ftp_ssl_connect not available on this server', 500);
}
}
else
{
$this->connection = @ftp_connect($this->host, $this->port);
}
if ($this->connection === false)
{
throw new \RuntimeException(sprintf('Cannot connect to FTP server [host:port] = %s:%s', $this->host, $this->port), 500);
}
// Attempt to authenticate
if (!@ftp_login($this->connection, $this->username, $this->password))
{
@ftp_close($this->connection);
$this->connection = null;
throw new \RuntimeException(sprintf('Cannot log in to FTP server [username:password] = %s:%s', $this->username, $this->password), 500);
}
// Attempt to change to the initial directory
if (!@ftp_chdir($this->connection, $this->directory))
{
@ftp_close($this->connection);
$this->connection = null;
throw new \RuntimeException(sprintf('Cannot change to initial FTP directory "%s" – make sure the folder exists and that you have adequate permissions to it', $this->directory), 500);
}
// Apply the passive mode preference
@ftp_pasv($this->connection, $this->passive);
}
/**
* Public destructor, closes any open FTP connections
*/
public function __destruct()
{
if (!is_null($this->connection))
{
@ftp_close($this->connection);
}
}
/**
* Write the contents into the file
*
* @param string $fileName The full path to the file
* @param string $contents The contents to write to the file
*
* @return boolean True on success
*/
public function write($fileName, $contents)
{
$targetFile = $this->translatePath($fileName);
// Make sure the awf:// wrapper is loaded
class_exists('\\Awf\\Utils\\Buffer', true);
$handle = fopen('awf://awf_filesystem_ftp', 'r+');
fwrite($handle, $contents);
rewind($handle);
$ret = @ftp_fput($this->connection, $targetFile, $handle, FTP_BINARY);
fclose($handle);
return $ret;
}
/**
* Delete a file (remove it from the disk)
*
* @param string $fileName The full path to the file
*
* @return boolean True on success
*/
public function delete($fileName)
{
$targetFile = $this->translatePath($fileName);
return @ftp_delete($this->connection, $targetFile);
}
/**
* Create a copy of the file. Actually, we have to read it in memory and upload it again.
*
* @param string $from The full path of the file to copy from
* @param string $to The full path of the file that will hold the copy
*
* @return boolean True on success
*/
public function copy($from, $to)
{
$fromFile = $this->translatePath($from);
$toFile = $this->translatePath($to);
// Make sure the awf:// wrapper is loaded
class_exists('\\Awf\\Utils\\Buffer', true);
$handle = fopen('awf://awf_filesystem_ftp', 'r+');
$ret = @ftp_fget($this->connection, $handle, $fromFile, FTP_BINARY);
if ($ret !== false)
{
rewind($handle);
$ret = @ftp_fput($this->connection, $toFile, $handle, FTP_BINARY);
}
fclose($handle);
return $ret;
}
/**
* Move or rename a file
*
* @param string $from The full path of the file to move
* @param string $to The full path of the target file
*
* @return boolean True on success
*/
public function move($from, $to)
{
$fromFile = $this->translatePath($from);
$toFile = $this->translatePath($to);
return @ftp_rename($this->connection, $fromFile, $toFile);
}
/**
* Change the permissions of a file
*
* @param string $fileName The full path of the file whose permissions will change
* @param integer $permissions The new permissions, e.g. 0644 (remember the leading zero in octal numbers!)
*
* @return boolean True on success
*/
public function chmod($fileName, $permissions)
{
$targetFile = $this->translatePath($fileName);
return (@ftp_chmod($this->connection, $permissions, $targetFile) !== false);
}
/**
* Return the current working dir
*
* @return string
*/
public function cwd()
{
return @ftp_pwd($this->connection);
}
/**
* Create a directory if it doesn't exist. The operation is implicitly recursive, i.e. it will create all
* intermediate directories if they do not already exist.
*
* @param string $dirName The full path of the directory to create
* @param integer $permissions The permissions of the created directory
*
* @return boolean True on success
*/
public function mkdir($dirName, $permissions = 0755)
{
$targetDir = $this->translatePath($dirName);
$targetDir = trim($targetDir, '/');
$initialDir = str_replace('\\', '/', $this->directory);
$initialDir = trim($initialDir, '/');
// Of course I can't create the directory the application is located in :)
if ($initialDir == $targetDir)
{
return true;
}
$directories = explode('/', $targetDir);
$siteRootDir = $this->container['filesystemBase'];
$localDir = rtrim($siteRootDir, '/');
$remoteDir = '/' . $initialDir;
foreach ($directories as $dir)
{
$localDir .= '/' . $dir;
$remoteDir .= '/' . $dir;
if (!is_dir($localDir))
{
$ret = @ftp_mkdir($this->connection, $remoteDir);
if ($ret === false)
{
return $ret;
}
}
}
$this->chmod($dirName, $permissions);
return true;
}
/**
* Remove a directory if it exists.
*
* @param string $dirName The full path of the directory to remove
* @param boolean $recursive Should I remove its contents recursively? Otherwise it will fail if the directory
* is not empty.
*
* @return mixed
*/
public function rmdir($dirName, $recursive = true)
{
if (!$recursive)
{
$targetDir = $this->translatePath($dirName);
return @ftp_rmdir($this->connection, $targetDir);
}
else
{
if (!is_dir($dirName))
{
return $this->delete($dirName);
}
$ret = true;
$di = new \DirectoryIterator($dirName);
/** @var \DirectoryIterator $dirEntry */
foreach ($di as $dirEntry)
{
if ($dirEntry->isDot())
{
continue;
}
if ($dirEntry->isFile())
{
$ret = $ret && $this->delete($dirEntry->getPathname());
}
elseif ($dirEntry->isDir())
{
$ret = $ret && $this->rmdir($dirEntry->getPathname(), true);
}
}
$ret = $ret && $this->rmdir($dirName, false);
return $ret;
}
}
/**
* Translate an absolute filesystem path into a relative FTP path
*
* @param string $fileName The full filesystem path of a file or directory
*
* @return string The translated path for use by the filesystem abstraction
*/
public function translatePath($fileName)
{
$fileName = str_replace('\\', '/', $fileName);
$siteRootDir = $this->container['filesystemBase'];
$appRoot = str_replace('\\', '/', $siteRootDir);
$appRoot = rtrim($appRoot, '/');
if (strpos($fileName, $appRoot) === 0)
{
$fileName = substr($fileName, strlen($appRoot) + 1);
$fileName = trim($fileName, '/');
$fileName = rtrim($this->directory, '/') . '/' . $fileName;
}
return $fileName;
}
/**
* Lists the subdirectories inside an FTP directory
*
* @param null|string $dir The directory to scan. Skip to use the current directory.
*
* @return array|bool A list of folders, or false if we could not get a listing
*
* @throws \RuntimeException When the server is incompatible with our FTP folder scanner
*/
public function listFolders($dir = null)
{
if (!empty($dir))
{
$ftpDirectory = $this->translatePath($dir);
if (!@ftp_chdir($this->connection, $ftpDirectory))
{
throw new \RuntimeException(sprintf('Cannot change to FTP directory "%s" – make sure the folder exists and that you have adequate permissions to it', $ftpDirectory), 500);
}
}
$list = @ftp_rawlist($this->connection, '.');
if ($list === false)
{
throw new \RuntimeException("Sorry, your FTP server doesn't support our FTP directory browser.");
}
$folders = array();
foreach ($list as $v)
{
$info = array();
$vinfo = preg_split("/[\s]+/", $v, 9);
if ($vinfo[0] !== "total")
{
$perms = $vinfo[0];
if (substr($perms,0,1) == 'd')
{
$folders[] = $vinfo[8];
}
}
}
asort($folders);
return $folders;
}
}