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<?php
/**
* @package LiveUpdate
* @copyright Copyright (c)2010-2012 Nicholas K. Dionysopoulos / AkeebaBackup.com
* @license GNU LGPLv3 or later <http://www.gnu.org/copyleft/lesser.html>
*/
defined('_JEXEC') or die();
jimport('joomla.application.component.controller');
/**
* The Live Update MVC controller
*/
class LiveUpdateController extends JController
{
private $jversion = '15';
/**
* Object contructor
* @param array $config
*
* @return LiveUpdateController
*/
public function __construct($config = array())
{
parent::__construct();
// Do we have Joomla! 1.6?
if( version_compare( JVERSION, '1.6.0', 'ge' ) ) {
$this->jversion = '16';
}
$basePath = dirname(__FILE__);
if($this->jversion == '15') {
$this->_basePath = $basePath;
} else {
$this->basePath = $basePath;
}
$this->registerDefaultTask('overview');
}
/**
* Runs the overview page task
*/
public function overview()
{
$this->display();
}
/**
* Starts the update procedure. If the FTP credentials are required, it asks for them.
*/
public function startupdate()
{
$ftp = $this->setCredentialsFromRequest('ftp');
if($ftp === true) {
// The user needs to supply the FTP credentials
$this->display();
} else {
// No FTP credentials required; proceed with the download
$this->setRedirect('index.php?option='.JRequest::getCmd('option','').'&view='.JRequest::getCmd('view','liveupdate').'&task=download');
$this->redirect();
}
}
/**
* Download the update package
*/
public function download()
{
$ftp = $this->setCredentialsFromRequest('ftp');
$model = $this->getThisModel();
$result = $model->download();
if(!$result) {
// Download failed
$msg = JText::_('LIVEUPDATE_DOWNLOAD_FAILED');
$this->setRedirect('index.php?option='.JRequest::getCmd('option','').'&view='.JRequest::getCmd('view','liveupdate').'&task=overview', $msg, 'error');
} else {
// Download successful. Let's extract the package.
$url = 'index.php?option='.JRequest::getCmd('option','').'&view='.JRequest::getCmd('view','liveupdate').'&task=extract';
$user = JRequest::getString('username', null, 'GET', JREQUEST_ALLOWRAW);
$pass = JRequest::getString('password', null, 'GET', JREQUEST_ALLOWRAW);
if($user) {
$url .= '&username='.urlencode($user).'&password='.urlencode($pass);
}
$this->setRedirect($url);
}
$this->redirect();
}
public function extract()
{
$ftp = $this->setCredentialsFromRequest('ftp');
$model = $this->getThisModel();
$result = $model->extract();
if(!$result) {
// Download failed
$msg = JText::_('LIVEUPDATE_EXTRACT_FAILED');
$this->setRedirect('index.php?option='.JRequest::getCmd('option','').'&view='.JRequest::getCmd('view','liveupdate').'&task=overview', $msg, 'error');
} else {
// Extract successful. Let's install the package.
$url = 'index.php?option='.JRequest::getCmd('option','').'&view='.JRequest::getCmd('view','liveupdate').'&task=install';
$user = JRequest::getString('username', null, 'GET', JREQUEST_ALLOWRAW);
$pass = JRequest::getString('password', null, 'GET', JREQUEST_ALLOWRAW);
if($user) {
$url .= '&username='.urlencode($user).'&password='.urlencode($pass);
}
// Do we have SRP installed yet?
$app = JFactory::getApplication();
$jResponse = $app->triggerEvent('onSRPEnabled');
$status = false;
if(!empty($jResponse)) {
$status = false;
foreach($jResponse as $response)
{
$status = $status || $response;
}
}
// SRP enabled, use it
if($status) {
$return = $url;
$url = $model->getSRPURL($return);
if(!$url) {
$url = $return;
}
}
$this->setRedirect($url);
}
$this->redirect();
}
public function install()
{
$ftp = $this->setCredentialsFromRequest('ftp');
$model = $this->getThisModel();
$result = $model->install();
if(!$result) {
// Installation failed
$model->cleanup();
$this->setRedirect('index.php?option='.JRequest::getCmd('option','').'&view='.JRequest::getCmd('view','liveupdate').'&task=overview');
$this->redirect();
} else {
// Installation successful. Show the installation message.
if(version_compare(JVERSION,'1.6.0','ge')) {
$cache = JFactory::getCache('mod_menu');
$cache->clean();
}
$this->display();
}
}
public function cleanup()
{
// Perform the cleanup
$ftp = $this->setCredentialsFromRequest('ftp');
$model = $this->getThisModel();
$model->cleanup();
// Force reload update information
$dummy = LiveUpdate::getUpdateInformation(true);
die('OK');
}
/**
* Displays the current view
* @param bool $cachable Ignored!
*/
public final function display($cachable = false)
{
$viewLayout = JRequest::getCmd( 'layout', 'default' );
$view = $this->getThisView();
// Get/Create the model
$model = $this->getThisModel();
$view->setModel($model, true);
// Assign the FTP credentials from the request, or return TRUE if they are required
jimport('joomla.client.helper');
$ftp = $this->setCredentialsFromRequest('ftp');
$view->assignRef('ftp', $ftp);
// Set the layout
$view->setLayout($viewLayout);
// Display the view
$view->display();
}
public final function getThisView()
{
static $view = null;
if(is_null($view))
{
$basePath = ($this->jversion == '15') ? $this->_basePath : $this->basePath;
$tPath = dirname(__FILE__).'/tmpl';
require_once('view.php');
$view = new LiveUpdateView(array('base_path'=>$basePath, 'template_path'=>$tPath));
}
return $view;
}
public final function getThisModel()
{
static $model = null;
if(is_null($model))
{
require_once('model.php');
$model = new LiveUpdateModel();
$task = ($this->jversion == '15') ? $this->_task : $this->task;
$model->setState( 'task', $task );
$app = JFactory::getApplication();
$menu = $app->getMenu();
if (is_object( $menu ))
{
if ($item = $menu->getActive())
{
$params =& $menu->getParams($item->id);
// Set Default State Data
$model->setState( 'parameters.menu', $params );
}
}
}
return $model;
}
private function setCredentialsFromRequest($client)
{
// Determine wether FTP credentials have been passed along with the current request
jimport('joomla.client.helper');
$user = JRequest::getString('username', null, 'GET', JREQUEST_ALLOWRAW);
$pass = JRequest::getString('password', null, 'GET', JREQUEST_ALLOWRAW);
if ($user != '' && $pass != '')
{
// Add credentials to the session
if (JClientHelper::setCredentials($client, $user, $pass)) {
$return = false;
} else {
$return =& JError::raiseWarning('SOME_ERROR_CODE', 'JClientHelper::setCredentialsFromRequest failed');
}
}
else
{
// Just determine if the FTP input fields need to be shown
$return = !JClientHelper::hasCredentials('ftp');
}
return $return;
}
}