Your IP : 216.73.217.80
<?php
/**
* @package Regular Labs Installer
* @version 16.9.23873
*
* @author Peter van Westen <info@regularlabs.com>
* @link http://www.regularlabs.com
* @copyright Copyright © 2016 Regular Labs All Rights Reserved
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
*/
defined('_JEXEC') or die;
class RegularLabsInstaller
{
private $min_joomla_version = '3.4.1';
private $min_php_version = '5.3.13';
public function preflight($route, JAdapterInstance $adapter)
{
JFactory::getLanguage()->load('plg_system_regularlabsinstaller', $this->dir);
if (!$this->passMinimumJoomlaVersion())
{
$this->uninstallInstaller();
return false;
}
if (!$this->passMinimumPHPVersion())
{
$this->uninstallInstaller();
return false;
}
// To prevent XML not found error
$this->createExtensionRoot();
}
public function postflight($route, JAdapterInstance $adapter)
{
if (!in_array($route, array('install', 'update')))
{
return;
}
// First install the Regular Labs Library
$this->installLibrary();
// Then install the rest of the packages
if (!$this->installPackages())
{
// Uninstall this installer
$this->uninstallInstaller();
return false;
}
$this->removeDuplicateUpdateSites();
JFactory::getApplication()->enqueueMessage(JText::_('RLI_PLEASE_CLEAR_YOUR_BROWSERS_CACHE'), 'notice');
// Uninstall this installer
$this->uninstallInstaller();
}
private function createExtensionRoot()
{
jimport('joomla.filesystem.folder');
jimport('joomla.filesystem.file');
$destination = JPATH_SITE . '/plugins/system/' . $this->installerName;
JFolder::create($destination);
JFile::copy(
$this->dir . '/' . $this->installerName . '.xml',
$destination . '/' . $this->installerName . '.xml'
);
}
private function removeDuplicateUpdateSites()
{
$db = JFactory::getDbo();
$query = $db->getQuery(true)
->select('a.update_site_id')
->from($db->quoteName('#__update_sites', 'a'))
->join('LEFT', $db->quoteName('#__update_sites_extensions', 'b') . ' ON ' . $db->quoteName('b.update_site_id') . ' = ' . $db->quoteName('a.update_site_id'))
->join('LEFT', $db->quoteName('#__update_sites_extensions', 'c')
. ' ON ' . $db->quoteName('c.extension_id') . ' = ' . $db->quoteName('b.extension_id')
. 'AND ' . $db->quoteName('c.update_site_id') . ' != ' . $db->quoteName('b.update_site_id')
)
->join('LEFT', $db->quoteName('#__update_sites', 'd') . ' ON ' . $db->quoteName('d.update_site_id') . ' = ' . $db->quoteName('c.update_site_id'))
->where($db->quoteName('a.name') . ' LIKE ' . $db->quote('%NoNumber%'))
->where($db->quoteName('d.name') . ' LIKE ' . $db->quote('%Regular Labs%'));
$db->setQuery($query);
$ids = $db->loadColumn();
if (empty($ids))
{
return;
}
$query->clear()
->delete('#__update_sites')
->where($db->quoteName('update_site_id') . ' IN (' . implode(',', $ids) . ')');
$db->setQuery($query);
$db->execute();
$query->clear()
->delete('#__update_sites_extensions')
->where($db->quoteName('update_site_id') . ' IN (' . implode(',', $ids) . ')');
$db->setQuery($query);
$db->execute();
}
// Check if Joomla version passes minimum requirement
private function passMinimumJoomlaVersion()
{
if (version_compare(JVERSION, $this->min_joomla_version, '<'))
{
JFactory::getApplication()->enqueueMessage(
JText::sprintf('RLI_NOT_COMPATIBLE_UPDATE', JVERSION, $this->min_joomla_version),
'error'
);
return false;
}
return true;
}
// Check if PHP version passes minimum requirement
private function passMinimumPHPVersion()
{
if (version_compare(PHP_VERSION, $this->min_php_version, 'l'))
{
JFactory::getApplication()->enqueueMessage(
JText::sprintf('RLI_NOT_COMPATIBLE_PHP', PHP_VERSION, $this->min_php_version),
'error'
);
return false;
}
return true;
}
private function installPackages()
{
$packages = JFolder::folders($this->dir . '/packages');
$packages = array_diff($packages, array('library_regularlabs', 'plg_system_regularlabs', 'plg_system_nnframework'));
foreach ($packages as $package)
{
if (!$this->installPackage($package))
{
return false;
}
}
return true;
}
private function installPackage($package)
{
$tmpInstaller = new RLInstaller;
return $tmpInstaller->install($this->dir . '/packages/' . $package);
}
private function installLibrary()
{
$this->installPackage('library_regularlabs');
$this->installPackage('plg_system_regularlabs');
if (is_file(JPATH_SITE . '/plugins/system/nnframework/nnframework.xml'))
{
$this->installPackage('plg_system_nnframework');
}
JFactory::getCache()->clean('_system');
}
private function uninstallInstaller()
{
if (!JFolder::exists(JPATH_SITE . '/plugins/system/' . $this->installerName))
{
return;
}
$this->deleteFolders(
array(
JPATH_SITE . '/plugins/system/' . $this->installerName . '/language',
JPATH_SITE . '/plugins/system/' . $this->installerName,
)
);
$db = JFactory::getDbo();
$query = $db->getQuery(true)
->delete('#__extensions')
->where($db->quoteName('element') . ' = ' . $db->quote($this->installerName))
->where($db->quoteName('folder') . ' = ' . $db->quote('system'))
->where($db->quoteName('type') . ' = ' . $db->quote('plugin'));
$db->setQuery($query);
$db->execute();
JFactory::getCache()->clean('_system');
}
public function deleteFolders($folders = array())
{
foreach ($folders as $folder)
{
if (!is_dir($folder))
{
continue;
}
JFolder::delete($folder);
}
}
}
/*
* Override core Library Installer to prevent it from uninstalling the library before upgrade
* We need the files to check for the version to decide whether to install or not.
*/
class RLInstaller extends JInstaller
{
public function getAdapter($name, $options = array())
{
if ($name == 'library')
{
return new RLInstallerAdapterLibrary($this, $this->getDbo(), $options);
}
//parent::getAdapter($name, $options = array());
$adapter = $this->loadAdapter($name, $options);
if (!array_key_exists($name, $this->_adapters))
{
if (!$this->setAdapter($name, $adapter))
{
return false;
}
}
return $adapter;
}
}
JLoader::import('joomla.installer.adapter.library');
class RLInstallerAdapterLibrary extends JInstallerAdapterLibrary
{
protected function checkExtensionInFilesystem()
{
if (!$this->currentExtensionId)
{
return;
}
// Already installed, can we upgrade?
if (!$this->parent->isOverwrite() && !$this->parent->isUpgrade())
{
// Abort the install, no upgrade possible
throw new RuntimeException(JText::_('JLIB_INSTALLER_ABORT_LIB_INSTALL_ALREADY_INSTALLED'));
}
// From this point we'll consider this an update
$this->setRoute('update');
}
protected function storeExtension()
{
$db = $this->parent->getDbo();
$query = $db->getQuery(true)
->delete($db->quoteName('#__extensions'))
->where($db->quoteName('type') . ' = ' . $db->quote('library'))
->where($db->quoteName('element') . ' = ' . $db->quote($this->element));
$db->setQuery($query);
$db->execute();
parent::storeExtension();
JFactory::getCache()->clean('_system');
}
}