Your IP : 216.73.216.201
<?php
/**
* @package AkeebaBackup
* @copyright Copyright (c)2009-2012 Nicholas K. Dionysopoulos
* @license GNU General Public License version 3, or later
* @version $Id$
*/
defined('_JEXEC') or die();
class Com_AkeebaInstallerScript extends ComAkeebaStandardInstallationLibrary
{
public $parent = null;
public function __construct() {
$this->_akeeba_extension = 'com_akeeba';
$this->_akeeba_install_sql_path = 'install.sql';
$this->_akeeba_script_install = 'install.akeeba.php';
$this->_akeeba_script_update = 'install.akeeba.php';
$this->_akeeba_script_uninstall = 'uninstall.akeeba.php';
// Let's try the "session trick"
$db =& JFactory::getDBO();
$sql = 'DESCRIBE `#__session`';
$db->setQuery($sql);
try {
$ctableAssoc = $db->loadAssocList('Field');
} catch (Exception $e) {
$ctableAssoc = '';
}
$ctable = empty($ctableAssoc) ? array() : $ctableAssoc;
if(!empty($ctable)) {
$type = $ctable['data']['Type'];
$type = strtolower($type);
if(strstr($type, 'varchar')) {
$sql = 'ALTER TABLE `#__session` MODIFY COLUMN `data` MEDIUMTEXT';
$db->setQuery($sql);
try {
$db->query();
} catch(Exception $e) {
}
}
}
}
}
/**
* AkeebaBackup.com Standard Installation Library
*/
class ComAkeebaStandardInstallationLibrary {
protected $_akeeba_extension = '';
protected $_akeeba_install_sql_path = '';
protected $_akeeba_script_install = '';
protected $_akeeba_script_uninstall = '';
protected $_akeeba_script_update = '';
/**
* Joomla! pre-flight event
*
* @param string $type Installation type (install, update, discover_install)
* @param JInstaller $parent Parent object
*/
public function preflight($type, $parent)
{
// Joomla! 1.6/1.7 bugfix for "Can not build admin menus"
if(in_array($type, array('install','discover_install'))) {
$this->_bugfixDBFunctionReturnedNoError();
} else {
$this->_bugfixCantBuildAdminMenus();
}
}
public function install($parent) {
// Copy the install/uninstall scripts
$this->_copyLegacyScripts($parent);
// Load the installation script
$this->parent = $parent->getParent();
$this->_scriptLoader($this->_akeeba_script_install);
}
public function update($parent) {
// Copy the install/uninstall scripts
$this->_copyLegacyScripts($parent);
// Joomla! 1.6/1.7 workaround for not running SQL on updates
$this->_workaroundApplySQL($parent);
// Load the udpate script
$this->parent = $parent->getParent();
$this->_scriptLoader($this->_akeeba_script_update);
}
public function uninstall($parent) {
// Load the uninstallation script
$this->parent = $parent->getParent();
$this->_scriptLoader($this->_akeeba_script_uninstall);
}
private function _scriptLoader($scriptfile)
{
if(!defined('_AKEEBA_HACK')) {
define('_AKEEBA_HACK', 1);
}
if(file_exists($scriptfile)) {
require_once($scriptfile);
} elseif(file_exists(dirname(__FILE__).'/'.$scriptfile)) {
require_once dirname(__FILE__).'/'.$scriptfile;
}
else {
JError::raiseWarning('42', "Installer script file $scriptfile not found.");
}
}
/**
* Joomla! 1.6+ bugfix for "DB function returned no error"
*/
private function _bugfixDBFunctionReturnedNoError()
{
$db = JFactory::getDbo();
// Fix broken #__assets records
$query = $db->getQuery(true);
$query->select('id')
->from('#__assets')
->where($db->nameQuote('name').' = '.$db->Quote($this->_akeeba_extension));
$db->setQuery($query);
$ids = $db->loadResultArray();
if(!empty($ids)) foreach($ids as $id) {
$query = $db->getQuery(true);
$query->delete('#__assets')
->where($db->nameQuote('id').' = '.$db->Quote($id));
$db->setQuery($query);
$db->query();
}
// Fix broken #__extensions records
$query = $db->getQuery(true);
$query->select('extension_id')
->from('#__extensions')
->where($db->nameQuote('element').' = '.$db->Quote($this->_akeeba_extension));
$db->setQuery($query);
$ids = $db->loadResultArray();
if(!empty($ids)) foreach($ids as $id) {
$query = $db->getQuery(true);
$query->delete('#__extensions')
->where($db->nameQuote('extension_id').' = '.$db->Quote($id));
$db->setQuery($query);
$db->query();
}
// Fix broken #__menu records
$query = $db->getQuery(true);
$query->select('id')
->from('#__menu')
->where($db->nameQuote('type').' = '.$db->Quote('component'))
->where($db->nameQuote('menutype').' = '.$db->Quote('main'))
->where($db->nameQuote('link').' LIKE '.$db->Quote('index.php?option='.$this->_akeeba_extension));
$db->setQuery($query);
$ids = $db->loadResultArray();
if(!empty($ids)) foreach($ids as $id) {
$query = $db->getQuery(true);
$query->delete('#__menu')
->where($db->nameQuote('id').' = '.$db->Quote($id));
$db->setQuery($query);
$db->query();
}
}
/**
* Joomla! 1.6+ bugfix for "Can not build admin menus"
*/
private function _bugfixCantBuildAdminMenus()
{
$db = JFactory::getDbo();
// If there are multiple #__extensions record, keep one of them
$query = $db->getQuery(true);
$query->select('extension_id')
->from('#__extensions')
->where($db->nameQuote('element').' = '.$db->Quote($this->_akeeba_extension));
$db->setQuery($query);
$ids = $db->loadResultArray();
if(count($ids) > 1) {
asort($ids);
$extension_id = array_shift($ids); // Keep the oldest id
foreach($ids as $id) {
$query = $db->getQuery(true);
$query->delete('#__extensions')
->where($db->nameQuote('extension_id').' = '.$db->Quote($id));
$db->setQuery($query);
$db->query();
}
}
// @todo
// If there are multiple assets records, delete all except the oldest one
$query = $db->getQuery(true);
$query->select('id')
->from('#__assets')
->where($db->nameQuote('name').' = '.$db->Quote($this->_akeeba_extension));
$db->setQuery($query);
$ids = $db->loadObjectList();
if(count($ids) > 1) {
asort($ids);
$asset_id = array_shift($ids); // Keep the oldest id
foreach($ids as $id) {
$query = $db->getQuery(true);
$query->delete('#__assets')
->where($db->nameQuote('id').' = '.$db->Quote($id));
$db->setQuery($query);
$db->query();
}
}
// Remove #__menu records for good measure!
$query = $db->getQuery(true);
$query->select('id')
->from('#__menu')
->where($db->nameQuote('type').' = '.$db->Quote('component'))
->where($db->nameQuote('menutype').' = '.$db->Quote('main'))
->where($db->nameQuote('link').' LIKE '.$db->Quote('index.php?option='.$this->_akeeba_extension));
$db->setQuery($query);
$ids1 = $db->loadResultArray();
if(empty($ids1)) $ids1 = array();
$query = $db->getQuery(true);
$query->select('id')
->from('#__menu')
->where($db->nameQuote('type').' = '.$db->Quote('component'))
->where($db->nameQuote('menutype').' = '.$db->Quote('main'))
->where($db->nameQuote('link').' LIKE '.$db->Quote('index.php?option='.$this->_akeeba_extension.'&%'));
$db->setQuery($query);
$ids2 = $db->loadResultArray();
if(empty($ids2)) $ids2 = array();
$ids = array_merge($ids1, $ids2);
if(!empty($ids)) foreach($ids as $id) {
$query = $db->getQuery(true);
$query->delete('#__menu')
->where($db->nameQuote('id').' = '.$db->Quote($id));
$db->setQuery($query);
$db->query();
}
}
/**
* Joomla! 1.6+ won't run the SQL file on updates. It will also run none of
* the update SQL files the first time you update an extension to a version
* which has update SQL files. Therefore, we need a workaround.
*
* @return type
*/
private function _workaroundApplySQL($parent)
{
$db = JFactory::getDBO();
if(method_exists($parent, 'extension_root')) {
$sqlfile = $parent->getPath('extension_root').'/'.$this->_akeeba_install_sql_path;
} else {
$sqlfile = $parent->getParent()->getPath('extension_root').'/'.$this->_akeeba_install_sql_path;
}
$buffer = file_get_contents($sqlfile);
if ($buffer !== false) {
jimport('joomla.installer.helper');
$queries = JInstallerHelper::splitSql($buffer);
if (count($queries) != 0) {
foreach ($queries as $query)
{
$query = trim($query);
if ($query != '' && $query{0} != '#') {
$db->setQuery($query);
if (!$db->query()) {
JError::raiseWarning(1, JText::sprintf('JLIB_INSTALLER_ERROR_SQL_ERROR', $db->stderr(true)));
return false;
}
}
}
}
}
}
/**
* Copy the legacy install/uninstall scripts to the component's back-end
* @param type $parent
*/
private function _copyLegacyScripts($parent)
{
$installFile = (string)$parent->getParent()->getManifest()->installfile;
if ($installFile) {
$path['src'] = $parent->getParent()->getPath('source') . '/' . $installFile;
$path['dest'] = $parent->getParent()->getPath('extension_administrator') . '/' . $installFile;
$parent->getParent()->copyFiles(array ($path));
}
$uninstallFile = (string)$parent->getParent()->getManifest()->uninstallfile;
if ($uninstallFile) {
$path['src'] = $parent->getParent()->getPath('source') . '/' . $uninstallFile;
$path['dest'] = $parent->getParent()->getPath('extension_administrator') . '/' . $uninstallFile;
$parent->getParent()->copyFiles(array ($path));
}
}
}