Current Directory: /home/astoriaah/www/old15/administrator/components/com_akeeba/models
Viewing File: /home/astoriaah/www/old15/administrator/components/com_akeeba/models/sftpbrowsers.php
<?php
/**
* @package AkeebaBackup
* @copyright Copyright (c)2009-2014 Nicholas K. Dionysopoulos
* @license GNU General Public License version 3, or later
*
* @since 3.0
*/
// Protect from unauthorized access
defined('_JEXEC') or die();
class AkeebaModelSftpbrowsers extends F0FModel
{
/** @var string The SFTP server hostname */
public $host = '';
/** @var int The SFTP server port number (default: 22) */
public $port = 22;
/** @var string Username for logging in */
public $username = '';
/** @var string Password for logging in or private key file's passphrase */
public $password = '';
/** @var string Private key file for logging in */
public $privkey = '';
/** @var string Public key file for logging in */
public $pubkey = '';
/** @var string The directory to browse */
public $directory = '';
/** @var array Breadcrumbs to the current directory */
public $parts = array();
/** @var string Path to the parent directory */
public $parent_directory = null;
public function getListing()
{
$dir = $this->directory;
// Parse directory to parts
$parsed_dir = trim($dir,'/');
$this->parts = empty($parsed_dir) ? array() : explode('/', $parsed_dir);
// Find the path to the parent directory
if(!empty($parts)) {
$copy_of_parts = $parts;
array_pop($copy_of_parts);
if(!empty($copy_of_parts)) {
$this->parent_directory = '/' . implode('/', $copy_of_parts);
} else {
$this->parent_directory = '/';
}
} else {
$this->parent_directory = '';
}
// Initialise
$connection = null;
$sftphandle = null;
// Open a connection
if(!function_exists('ssh2_connect'))
{
$this->setError("Your web server does not have the SSH2 PHP module, therefore can not connect and upload archives to SFTP servers.");
return false;
}
$connection = ssh2_connect($this->host, $this->port);
if ($connection === false)
{
$this->setError("Invalid SFTP hostname or port ({$this->host}:{$this->port}) or the connection is blocked by your web server's firewall.");
return false;
}
// Connect to the server
if(!empty($this->pubkey) && !empty($this->privkey))
{
if(!ssh2_auth_pubkey_file($connection, $this->username, $this->pubkey, $this->privkey, $this->password))
{
$this->setError('Certificate error');
return false;
}
}
else
{
if(!ssh2_auth_password($connection, $this->username, $this->password))
{
$this->setError('Could not authenticate access to SFTP server; check your username and password.');
return false;
}
}
$sftphandle = ssh2_sftp($connection);
if($sftphandle === false)
{
$this->setWarning("Your SSH server does not allow SFTP connections");
return false;
}
// Get a raw directory listing (hoping it's a UNIX server!)
$list = array();
$dir = ltrim($dir, '/');
$handle = opendir("ssh2.sftp://$sftphandle/$dir");
if (!is_resource($handle))
{
$this->setError(JText::_('SFTPBROWSER_ERROR_NOACCESS'));
return false;
}
while (($entry = readdir($handle)) !== false)
{
if (substr($entry, 0, 1) == '.')
{
continue;
}
if (!is_dir("ssh2.sftp://$sftphandle/$dir/$entry"))
{
continue;
}
$list[] = $entry;
}
closedir($handle);
if (!empty($list))
{
asort($list);
}
return $list;
}
public function doBrowse()
{
$list = $this->getListing();
$response_array = array(
'error' => $this->getError(),
'list' => $list,
'breadcrumbs' => $this->parts,
'directory' => $this->directory,
'parent' => $this->parent_directory
);
return $response_array;
}
}