Current File : //home1/lightco1/www/plugins/system/backuponupdate/backuponupdate.php
<?php
/**
* @package AkeebaBackup
* @subpackage backuponupdate
* @copyright Copyright (c)2006-2017 Nicholas K. Dionysopoulos / Akeeba Ltd
* @license GNU General Public License version 3, or later
*
* @since 3.3
*/
defined('_JEXEC') or die();
if (!version_compare(PHP_VERSION, '5.4.0', '>='))
{
return;
}
// Why, oh why, are you people using eAccelerator? Seriously, what's wrong with you, people?!
if (function_exists('eaccelerator_info'))
{
$isBrokenCachingEnabled = true;
if (function_exists('ini_get') && !ini_get('eaccelerator.enable'))
{
$isBrokenCachingEnabled = false;
}
if ($isBrokenCachingEnabled)
{
/**
* I know that this define seems pointless since I am returning. This means that we are exiting the file and
* the plugin class isn't defined, so Joomla cannot possibly use it.
*
* LOL. That is how PHP works. Not how that OBSOLETE, BROKEN PILE OF ROTTING BYTES called eAccelerator mangles
* your code.
*
* That disgusting piece of bit rot will exit right after the return statement below BUT it will STILL define
* the class. That's right. It ignores ALL THE CODE between here and the class declaration and parses the
* class declaration o_O Therefore the only way to actually NOT load the plugin when you are using it on
* a server where an indescribable character posing as a sysadmin has installed and enabled eAccelerator is to
* define a constant and use it to return from the constructor method, therefore forcing PHP to return null
* instead of an object. This prompts Joomla to not do anything with the plugin.
*/
if (!defined('AKEEBA_EACCELERATOR_IS_SO_BORKED_IT_DOES_NOT_EVEN_RETURN'))
{
define('AKEEBA_EACCELERATOR_IS_SO_BORKED_IT_DOES_NOT_EVEN_RETURN', 3245);
}
return;
}
}
// Make sure Akeeba Backup is installed
if (!file_exists(JPATH_ADMINISTRATOR . '/components/com_akeeba'))
{
return;
}
// Load FOF
if (!defined('FOF30_INCLUDED') && !@include_once(JPATH_LIBRARIES . '/fof30/include.php'))
{
return;
}
JLoader::import('joomla.filesystem.file');
$db = JFactory::getDbo();
// Is Akeeba Backup enabled?
$query = $db->getQuery(true)
->select($db->qn('enabled'))
->from($db->qn('#__extensions'))
->where($db->qn('element') . ' = ' . $db->q('com_akeeba'))
->where($db->qn('type') . ' = ' . $db->q('component'));
$db->setQuery($query);
$enabled = $db->loadResult();
if (!$enabled)
{
return;
}
JLoader::import('joomla.application.plugin');
class plgSystemBackuponupdate extends JPlugin
{
/**
* Constructor
*
* @param object $subject The object to observe
* @param array $config An array that holds the plugin configuration
*
* @since 2.5
*/
public function __construct(& $subject, $config)
{
/**
* I know that this piece of code cannot possibly be executed since I have already returned BEFORE declaring
* the class when eAccelerator is detected. However, eAccelerator is a GINORMOUS, STINKY PILE OF BULL CRAP. The
* stupid thing will return above BUT it will also declare the class EVEN THOUGH according to how PHP works
* this part of the code should be unreachable o_O Therefore I have to define this constant and exit the
* constructor when we have already determined that this class MUST NOT be defined. Because screw you
* eAccelerator, that's why.
*/
if (defined('AKEEBA_EACCELERATOR_IS_SO_BORKED_IT_DOES_NOT_EVEN_RETURN'))
{
return;
}
parent::__construct($subject, $config);
}
public function onAfterInitialise()
{
// Make sure this is the back-end
$app = JFactory::getApplication();
if (!in_array($app->getName(), array('administrator', 'admin')))
{
return;
}
// Handle the flag toggle through AJAX
$ji = new JInput();
$toggleParam = $ji->getCmd('_akeeba_backup_on_update_toggle');
if ($toggleParam && ($toggleParam == JFactory::getSession()->getToken()))
{
$this->toggleBoUFlag();
return;
}
// Make sure we are active
if ($this->getBoUFlag() != 1)
{
return;
}
// Get the input variables
$component = $ji->getCmd('option', '');
$task = $ji->getCmd('task', '');
$backedup = $ji->getInt('is_backed_up', 0);
// Perform a redirection on Joomla! Update download or install task, unless we have already backed up the site
if (($component == 'com_joomlaupdate') && ($task == 'update.install') && !$backedup)
{
// Get the backup profile ID
$profileId = (int) $this->params->get('profileid', 1);
if ($profileId <= 0)
{
$profileId = 1;
}
$jtoken = JFactory::getSession()->getFormToken();
// Get the return URL
$return_url = JUri::base() . 'index.php?option=com_joomlaupdate&task=update.install&is_backed_up=1&'.$jtoken.'=1';
// Get the redirect URL
$redirect_url = JUri::base() . 'index.php?option=com_akeeba&view=Backup&autostart=1&returnurl=' . urlencode($return_url) . '&profileid=' . $profileId . "&$jtoken=1";
// Perform the redirection
$app = JFactory::getApplication();
$app->redirect($redirect_url);
}
}
/**
* Renders the Backup on Update status icon in the Joomla! backend.
*
* We use a bit of fine trickery to accomplish that. The onAfterModuleList event is triggered after Joomla! has
* loaded a list of the modules to render on the page. We use that event to inject a fake module object of type
* mod_custom with the HTML we want to render in the 'status' position of the template.
*
* @param array $modules The array of module objects passed to us by Joomla!
*
* @since 5.4.1
* @throws Exception
*/
public function onAfterModuleList(&$modules)
{
$app = JFactory::getApplication();
// Only work when format=html (since we try adding CSS and Javascript on the page which is only valid in HTML).
if ($app->input->getCmd('format', 'html') != 'html')
{
return;
}
// Am I in the administrator application to begin with?
if (version_compare(JVERSION, '3.7.0', 'lt'))
{
$isAdmin = $app->isAdmin();
}
else
{
$isAdmin = $app->isClient('administrator');
}
if (!$isAdmin)
{
return;
}
// Load the language
$this->loadLanguage();
JHtml::_('bootstrap.popover');
try
{
/**
* Apparently you may have format=html with an application that returns no document...?! I can't see how it's
* possible lest a 3PD has screwed up. In any case, this happened in tickets 28218, 28223, 28224 and 28225. My
* workaround is to first check if the application can and does return a document. If not, try to get the document
* via JFactory (legacy method). If that fails too, skip the "Disable plugin" feature altogether.
*/
$document = null;
if (method_exists($app, 'getDocument'))
{
$document = $app->getDocument();
}
if (is_null($document) || !method_exists($document, 'addStyleDeclaration'))
{
/**
* Don't remove the class_exists. Joomla! 3.8 will have JFactor as an alias to a namespaced class so I might
* need to load it with the class_exists trick. As for the method_exists, it's us trying to make sure future
* versions of Joomla! won't break anything.
*/
if (class_exists('JFactory', true) && method_exists('JFactory', 'getDocument'))
{
$document = JFactory::getDocument();
}
}
/**
* Now, if the document is still unset (a 3PD seriously cocked up a JApplicationCms subclass) OR the document is
* quite obviously not JDocumentHtml (which means a 3PD should be tarred, feathered and stringed for cocking up an
* application AND a document subclass) we have to skip our "Disable plugin" feature since it, well, not work at
* all.
*/
if (is_null($document) || !method_exists($document, 'addStyleDeclaration'))
{
return;
}
$document->addStyleDeclaration($this->loadTemplate('default.css'));
$fakeModule = (object)[
'id' => -1,
'title' => 'Backup on Update',
'module' => 'mod_custom',
'position' => 'status',
'content' => $this->loadTemplate('default.html', [
'active' => $this->getBoUFlag()
]),
'showtitle' => 0,
'params' => '{"prepare_content":"0","layout":"_:default","moduleclass_sfx":"","cache":"0","cache_time":"1","module_tag":"div","bootstrap_size":"0","header_tag":"h3","header_class":"","style":"0"}',
'menuid' => 0,
];
}
catch (Exception $e)
{
return;
}
$modules[] = $fakeModule;
}
/**
* Load a plugin layout file. These files can be overridden with standard Joomla! template overrides.
*
* @param string $layout The layout file to load
* @param array $params An array passed verbatim to the layout file as the `$params` variable
*
* @return string The rendered contents of the file
*
* @since 5.4.1
*/
private function loadTemplate($layout, array $params = [])
{
$file = JPluginHelper::getLayoutPath('system', 'backuponupdate', $layout);
ob_start();
require_once $file;
$ret = ob_get_clean();
return $ret;
}
private function getBoUFlag()
{
return JFactory::getSession()->get('active', 1, 'plg_system_backuponupdate');
}
private function toggleBoUFlag()
{
$status = 1 - $this->getBoUFlag();
JFactory::getSession()->set('active', $status, 'plg_system_backuponupdate');
}
}
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