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<?php
/**
* @package JoomlaPack
* @copyright Copyright (c)2006-2009 JoomlaPack Developers
* @license GNU General Public License version 2, or later
* @version $id$
* @since 1.3
*/
// Protect from unauthorized access
defined('_JEXEC') or die('Restricted Access');
// Load framework base classes
jimport('joomla.application.component.controller');
class JoomlapackControllerJson extends JController
{
/**
* Starts a backup
* @return
*/
function display()
{
// Check permissions
$this->_checkPermissions();
// Set the profile
$this->_setProfile();
// Force the output to be of the raw format type
JRequest::setVar('format', 'raw');
$document =& JFactory::getDocument();
$document->setType('raw');
// Get the description, if present; otherwise use the default description
jimport('joomla.utilities.date');
$user =& JFactory::getUser();
$userTZ = $user->getParam('timezone',0);
$dateNow = new JDate();
$dateNow->setOffset($userTZ);
$default_description = JText::_('BACKUP_DEFAULT_DESCRIPTION').' '.$dateNow->toFormat(JText::_('DATE_FORMAT_LC2'));
$description = JRequest::getString('description', $default_description);
// Start the backup (CUBE Operation)
jpimport('core.cube');
JoomlapackCUBE::reset();
$cube =& JoomlapackCUBE::getInstance();
$cube->start($description,'');
$cube->save();
// Return the JSON output
parent::display(false);
}
/**
* task=start is an alias for task=display or lack of task definition altogether
*/
function start()
{
$this->display();
}
/**
* Step through the backup
* @return
*/
function step()
{
// Check permissions
$this->_checkPermissions();
// Set the profile
$this->_setProfile();
jpimport('core.cube');
$cube =& JoomlapackCUBE::getInstance();
$array = $cube->getCUBEArray();
if( ($array['Error'] == '') && ($array['HasRun'] != 1) )
{
$cube->tick();
$cube->save();
}
// Return the JSON output
parent::display(false);
}
/**
* Return the absolute path to the output directory
* @return
*/
function getdirectory()
{
// Check permissions
$this->_checkPermissions();
parent::display(false);
}
/**
* Check that the user has sufficient permissions, or die in error
*
*/
function _checkPermissions()
{
jpimport('models.registry', true);
$registry =& JoomlapackModelRegistry::getInstance();
// Is frontend backup enabled?
$febEnabled = $registry->get('enableFrontend');
if(!$febEnabled)
{
die('403 '.JText::_('ERROR_NOT_ENABLED'));
}
// Is the key good? Check using 'keyhash'.
$keyhash = JRequest::getVar('keyhash');
$hashparts = explode(':', $keyhash, 2);
$validKey=$registry->get('secretWord');
$hash_to_check = $hashparts[0];
$salt= $hashparts[1];
$valid_hash = md5($validKey.$salt);
if($hash_to_check != $valid_hash)
{
die('403 '.JText::_('ERROR_INVALID_KEY'));
}
}
function _setProfile()
{
// Set profile
$profile = JRequest::getInt('profile',1);
if(!JPSPECIALEDITION) $profile = 1;
if(!is_numeric($profile)) $profile = 1;
$session =& JFactory::getSession();
$session->set('profile', $profile, 'joomlapack');
}
}