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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.model');
if(!class_exists('JoomlaSucksModel')) {
if(interface_exists('JModel')) {
abstract class JoomlaSucksModel extends JModelLegacy {}
} else {
class JoomlaSucksModel extends JModel {}
}
}
/**
* The Live Update MVC model
*/
class LiveUpdateModel extends JoomlaSucksModel
{
public function download()
{
// Get the path to Joomla!'s temporary directory
$jreg = JFactory::getConfig();
$tmpdir = $jreg->get('tmp_path');
jimport('joomla.filesystem.folder');
// Make sure the user doesn't use the system-wide tmp directory. You know, the one that's
// being erased periodically and will cause a real mess while installing extensions (Grrr!)
if(realpath($tmpdir) == '/tmp') {
// Someone inform the user that what he's doing is insecure and stupid, please. In the
// meantime, I will fix what is broken.
$tmpdir = JPATH_SITE.'/tmp';
} // Make sure that folder exists (users do stupid things too often; you'd be surprised)
elseif(!JFolder::exists($tmpdir)) {
// Darn it, user! WTF where you thinking? OK, let's use a directory I know it's there...
$tmpdir = JPATH_SITE.'/tmp';
}
// Oki. Let's get the URL of the package
$updateInfo = LiveUpdate::getUpdateInformation();
$config = LiveUpdateConfig::getInstance();
$auth = $config->getAuthorization();
$url = $updateInfo->downloadURL;
// Sniff the package type. If sniffing is impossible, I'll assume a ZIP package
$basename = basename($url);
if(strstr($basename,'?')) {
$basename = substr($basename, strstr($basename,'?')+1);
}
if(substr($basename,-4) == '.zip') {
$type = 'zip';
} elseif(substr($basename,-4) == '.tar') {
$type = 'tar';
} elseif(substr($basename,-4) == '.tgz') {
$type = 'tar.gz';
} elseif(substr($basename,-7) == '.tar.gz') {
$type = 'tar.gz';
} else {
$type = 'zip';
}
// Cache the path to the package file and the temp installation directory in the session
$target = $tmpdir.'/'.$updateInfo->extInfo->name.'.update.'.$type;
$tempdir = $tmpdir.'/'.$updateInfo->extInfo->name.'_update';
$session = JFactory::getSession();
$session->set('target', $target, 'liveupdate');
$session->set('tempdir', $tempdir, 'liveupdate');
// Let's download!
require_once dirname(__FILE__).'/download.php';
return LiveUpdateDownloadHelper::download($url, $target);
}
public function extract()
{
$session = JFactory::getSession();
$target = $session->get('target', '', 'liveupdate');
$tempdir = $session->get('tempdir', '', 'liveupdate');
jimport('joomla.filesystem.archive');
return JArchive::extract( $target, $tempdir);
}
public function install()
{
$session = JFactory::getSession();
$tempdir = $session->get('tempdir', '', 'liveupdate');
jimport('joomla.installer.installer');
jimport('joomla.installer.helper');
$installer = JInstaller::getInstance();
$packageType = JInstallerHelper::detectType($tempdir);
if(!$packageType) {
$msg = JText::_('LIVEUPDATE_INVALID_PACKAGE_TYPE');
$result = false;
} elseif (!$installer->install($tempdir)) {
// There was an error installing the package
$msg = JText::sprintf('LIVEUPDATE_INSTALLEXT', JText::_($packageType), JText::_('LIVEUPDATE_Error'));
$result = false;
} else {
// Package installed sucessfully
$msg = JText::sprintf('LIVEUPDATE_INSTALLEXT', JText::_($packageType), JText::_('LIVEUPDATE_Success'));
$result = true;
}
$app = JFactory::getApplication();
$app->enqueueMessage($msg);
$this->setState('result', $result);
$this->setState('packageType', $packageType);
if($packageType) {
$this->setState('name', $installer->get('name'));
$this->setState('message', $installer->message);
$this->setState('extmessage', $installer->get('extension_message'));
}
return $result;
}
public function cleanup()
{
$session = JFactory::getSession();
$target = $session->get('target', '', 'liveupdate');
$tempdir = $session->get('tempdir', '', 'liveupdate');
jimport('joomla.installer.helper');
JInstallerHelper::cleanupInstall($target, $tempdir);
$session->clear('target','liveupdate');
$session->clear('tempdir','liveupdate');
}
public function getSRPURL($return = '')
{
$session = JFactory::getSession();
$tempdir = $session->get('tempdir', '', 'liveupdate');
jimport('joomla.installer.installer');
jimport('joomla.installer.helper');
jimport('joomla.filesystem.file');
$instModelFile = JPATH_ADMINISTRATOR.'/components/com_akeeba/models/installer.php';
if(!JFile::exists($instModelFile)) {
$instModelFile = JPATH_ADMINISTRATOR.'/components/com_akeeba/plugins/models/installer.php';
};
if(!JFile::exists($instModelFile)) return false;
require_once $instModelFile;
$model = JModel::getInstance('Installer', 'AkeebaModel');
$packageType = JInstallerHelper::detectType($tempdir);
$name = $model->getExtensionName($tempdir);
$url = 'index.php?option=com_akeeba&view=backup&tag=restorepoint&type='.$packageType.'&name='.urlencode($name['name']);
switch($packageType) {
case 'module':
case 'template':
$url .= '&group='.$name['client'];
break;
case 'plugin':
$url .= '&group='.$name['group'];
break;
}
if(!empty($return)) $url .= '&returnurl='.urlencode($return);
return $url;
}
}