Current File : /home/admin/domains/happytokorea.com/public_html_bk/libraries/joomla/installer/adapters/plugin.php
<?php
/**
* @version $Id:plugin.php 6961 2007-03-15 16:06:53Z tcp $
* @package Joomla.Framework
* @subpackage Installer
* @copyright Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
* @license GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
// Check to ensure this file is within the rest of the framework
defined('JPATH_BASE') or die();
/**
* Plugin installer
*
* @package Joomla.Framework
* @subpackage Installer
* @since 1.5
*/
class JInstallerPlugin extends JObject
{
/**
* Constructor
*
* @access protected
* @param object $parent Parent object [JInstaller instance]
* @return void
* @since 1.5
*/
function __construct(&$parent)
{
$this->parent =& $parent;
}
/**
* Custom install method
*
* @access public
* @return boolean True on success
* @since 1.5
*/
function install()
{
// Get a database connector object
$db =& $this->parent->getDBO();
// Get the extension manifest object
$manifest =& $this->parent->getManifest();
$this->manifest =& $manifest->document;
/**
* ---------------------------------------------------------------------------------------------
* Manifest Document Setup Section
* ---------------------------------------------------------------------------------------------
*/
// Set the extensions name
$name =& $this->manifest->getElementByPath('name');
$name = JFilterInput::clean($name->data(), 'string');
$this->set('name', $name);
// Get the component description
$description = & $this->manifest->getElementByPath('description');
if (is_a($description, 'JSimpleXMLElement')) {
$this->parent->set('message', $description->data());
} else {
$this->parent->set('message', '' );
}
/*
* Backward Compatability
* @todo Deprecate in future version
*/
$type = $this->manifest->attributes('type');
// Set the installation path
$element =& $this->manifest->getElementByPath('files');
if (is_a($element, 'JSimpleXMLElement') && count($element->children())) {
$files = $element->children();
foreach ($files as $file) {
if ($file->attributes($type)) {
$pname = $file->attributes($type);
break;
}
}
}
$group = $this->manifest->attributes('group');
if (!empty ($pname) && !empty($group)) {
$this->parent->setPath('extension_root', JPATH_ROOT.DS.'plugins'.DS.$group);
} else {
$this->parent->abort(JText::_('Plugin').' '.JText::_('Install').': '.JText::_('No plugin file specified'));
return false;
}
/**
* ---------------------------------------------------------------------------------------------
* Filesystem Processing Section
* ---------------------------------------------------------------------------------------------
*/
// If the plugin directory does not exist, lets create it
$created = false;
if (!file_exists($this->parent->getPath('extension_root'))) {
if (!$created = JFolder::create($this->parent->getPath('extension_root'))) {
$this->parent->abort(JText::_('Plugin').' '.JText::_('Install').': '.JText::_('Failed to create directory').': "'.$this->parent->getPath('extension_root').'"');
return false;
}
}
/*
* If we created the plugin directory and will want to remove it if we
* have to roll back the installation, lets add it to the installation
* step stack
*/
if ($created) {
$this->parent->pushStep(array ('type' => 'folder', 'path' => $this->parent->getPath('extension_root')));
}
// Copy all necessary files
if ($this->parent->parseFiles($element, -1) === false) {
// Install failed, roll back changes
$this->parent->abort();
return false;
}
// Parse optional tags -- media and language files for plugins go in admin app
$this->parent->parseMedia($this->manifest->getElementByPath('media'), 1);
$this->parent->parseLanguages($this->manifest->getElementByPath('languages'), 1);
/**
* ---------------------------------------------------------------------------------------------
* Database Processing Section
* ---------------------------------------------------------------------------------------------
*/
// Check to see if a plugin by the same name is already installed
$query = 'SELECT `id`' .
' FROM `#__plugins`' .
' WHERE folder = '.$db->Quote($group) .
' AND element = '.$db->Quote($pname);
$db->setQuery($query);
if (!$db->Query()) {
// Install failed, roll back changes
$this->parent->abort(JText::_('Plugin').' '.JText::_('Install').': '.$db->stderr(true));
return false;
}
$id = $db->loadResult();
// Was there a module already installed with the same name?
if ($id) {
if (!$this->parent->getOverwrite())
{
// Install failed, roll back changes
$this->parent->abort(JText::_('Plugin').' '.JText::_('Install').': '.JText::_('Plugin').' "'.$pname.'" '.JText::_('already exists!'));
return false;
}
} else {
$row =& JTable::getInstance('plugin');
$row->name = $this->get('name');
$row->ordering = 0;
$row->folder = $group;
$row->iscore = 0;
$row->access = 0;
$row->client_id = 0;
$row->element = $pname;
$row->params = $this->parent->getParams();
// Editor plugins are published by default
if ($group == 'editors') {
$row->published = 1;
}
if (!$row->store()) {
// Install failed, roll back changes
$this->parent->abort(JText::_('Plugin').' '.JText::_('Install').': '.$db->stderr(true));
return false;
}
// Since we have created a plugin item, we add it to the installation step stack
// so that if we have to rollback the changes we can undo it.
$this->parent->pushStep(array ('type' => 'plugin', 'id' => $row->id));
}
/**
* ---------------------------------------------------------------------------------------------
* Finalization and Cleanup Section
* ---------------------------------------------------------------------------------------------
*/
// Lastly, we will copy the manifest file to its appropriate place.
if (!$this->parent->copyManifest(-1)) {
// Install failed, rollback changes
$this->parent->abort(JText::_('Plugin').' '.JText::_('Install').': '.JText::_('Could not copy setup file'));
return false;
}
// Load plugin language file
$lang =& JFactory::getLanguage();
$lang->load('plg_'.$group.'_'.$pname);
return true;
}
/**
* Custom uninstall method
*
* @access public
* @param int $cid The id of the plugin to uninstall
* @param int $clientId The id of the client (unused)
* @return boolean True on success
* @since 1.5
*/
function uninstall($id, $clientId )
{
// Initialize variables
$row = null;
$retval = true;
$db =& $this->parent->getDBO();
// First order of business will be to load the module object table from the database.
// This should give us the necessary information to proceed.
$row = & JTable::getInstance('plugin');
if ( !$row->load((int) $id) ) {
JError::raiseWarning(100, JText::_('ERRORUNKOWNEXTENSION'));
return false;
}
// Is the plugin we are trying to uninstall a core one?
// Because that is not a good idea...
if ($row->iscore) {
JError::raiseWarning(100, JText::_('Plugin').' '.JText::_('Uninstall').': '.JText::sprintf('WARNCOREPLUGIN', $row->name)."<br />".JText::_('WARNCOREPLUGIN2'));
return false;
}
// Get the plugin folder so we can properly build the plugin path
if (trim($row->folder) == '') {
JError::raiseWarning(100, JText::_('Plugin').' '.JText::_('Uninstall').': '.JText::_('Folder field empty, cannot remove files'));
return false;
}
// Set the plugin root path
$this->parent->setPath('extension_root', JPATH_ROOT.DS.'plugins'.DS.$row->folder);
// Because plugins don't have their own folders we cannot use the standard method of finding an installation manifest
$manifestFile = JPATH_ROOT.DS.'plugins'.DS.$row->folder.DS.$row->element.'.xml';
if (file_exists($manifestFile))
{
$xml =& JFactory::getXMLParser('Simple');
// If we cannot load the xml file return null
if (!$xml->loadFile($manifestFile)) {
JError::raiseWarning(100, JText::_('Plugin').' '.JText::_('Uninstall').': '.JText::_('Could not load manifest file'));
return false;
}
/*
* Check for a valid XML root tag.
* @todo: Remove backwards compatability in a future version
* Should be 'install', but for backward compatability we will accept 'mosinstall'.
*/
$root =& $xml->document;
if ($root->name() != 'install' && $root->name() != 'mosinstall') {
JError::raiseWarning(100, JText::_('Plugin').' '.JText::_('Uninstall').': '.JText::_('Invalid manifest file'));
return false;
}
// Remove the plugin files
$this->parent->removeFiles($root->getElementByPath('images'), -1);
$this->parent->removeFiles($root->getElementByPath('files'), -1);
JFile::delete($manifestFile);
// Remove all media and languages as well
$this->parent->removeFiles($root->getElementByPath('media'));
$this->parent->removeFiles($root->getElementByPath('languages'), 1);
} else {
JError::raiseWarning(100, 'Plugin Uninstall: Manifest File invalid or not found');
return false;
}
// Now we will no longer need the plugin object, so lets delete it
$row->delete($row->id);
unset ($row);
// If the folder is empty, let's delete it
$files = JFolder::files($this->parent->getPath('extension_root'));
if (!count($files)) {
JFolder::delete($this->parent->getPath('extension_root'));
}
return $retval;
}
/**
* Custom rollback method
* - Roll back the plugin item
*
* @access public
* @param array $arg Installation step to rollback
* @return boolean True on success
* @since 1.5
*/
function _rollback_plugin($arg)
{
// Get database connector object
$db =& $this->parent->getDBO();
// Remove the entry from the #__plugins table
$query = 'DELETE' .
' FROM `#__plugins`' .
' WHERE id='.(int)$arg['id'];
$db->setQuery($query);
return ($db->query() !== false);
}
}