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<?php
/**
* @package Joomla.Platform
* @subpackage Installer
*
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
jimport('joomla.base.adapterinstance');
jimport('joomla.installer.packagemanifest');
/**
* Package installer
*
* @package Joomla.Platform
* @subpackage Installer
* @since 11.1
*/
class JInstallerPackage extends JAdapterInstance
{
/**
* Method of system
*
* @var string
*
* @since 11.1
*/
protected $route = 'install';
/**
* Load language from a path
*
* @param string $path The path of the language.
*
* @return void
*
* @since 11.1
*/
public function loadLanguage($path)
{
$this->manifest = $this->parent->getManifest();
$extension = 'pkg_' . strtolower(JFilterInput::getInstance()->clean((string) $this->manifest->packagename, 'cmd'));
$lang = JFactory::getLanguage();
$source = $path;
$lang->load($extension . '.sys', $source, null, false, false)
|| $lang->load($extension . '.sys', JPATH_SITE, null, false, false)
|| $lang->load($extension . '.sys', $source, $lang->getDefault(), false, false)
|| $lang->load($extension . '.sys', JPATH_SITE, $lang->getDefault(), false, false);
}
/**
* Custom install method
*
* @return int The extension id
*
* @since 11.1
*/
public function install()
{
// Get the extension manifest object
$this->manifest = $this->parent->getManifest();
// Manifest Document Setup Section
// Set the extensions name
$filter = JFilterInput::getInstance();
$name = (string) $this->manifest->packagename;
$name = $filter->clean($name, 'cmd');
$this->set('name', $name);
$element = 'pkg_' . $filter->clean($this->manifest->packagename, 'cmd');
$this->set('element', $element);
// Get the component description
$description = (string) $this->manifest->description;
if ($description)
{
$this->parent->set('message', JText::_($description));
}
else
{
$this->parent->set('message', '');
}
// Set the installation path
$files = $this->manifest->files;
$group = (string) $this->manifest->packagename;
if (!empty($group))
{
$this->parent->setPath('extension_root', JPATH_MANIFESTS . '/packages/' . implode(DIRECTORY_SEPARATOR, explode('/', $group)));
}
else
{
$this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT_PACK_INSTALL_NO_PACK', JText::_('JLIB_INSTALLER_' . strtoupper($this->route))));
return false;
}
/**
* ---------------------------------------------------------------------------------------------
* Installer Trigger Loading
* ---------------------------------------------------------------------------------------------
*/
// If there is an manifest class file, lets load it; we'll copy it later (don't have dest yet)
$this->scriptElement = $this->manifest->scriptfile;
$manifestScript = (string) $this->manifest->scriptfile;
if ($manifestScript)
{
$manifestScriptFile = $this->parent->getPath('source') . '/' . $manifestScript;
if (is_file($manifestScriptFile))
{
// load the file
include_once $manifestScriptFile;
}
// Set the class name
$classname = $element . 'InstallerScript';
if (class_exists($classname))
{
// create a new instance
$this->parent->manifestClass = new $classname($this);
// and set this so we can copy it later
$this->set('manifest_script', $manifestScript);
// Note: if we don't find the class, don't bother to copy the file
}
}
// run preflight if possible (since we know we're not an update)
ob_start();
ob_implicit_flush(false);
if ($this->parent->manifestClass && method_exists($this->parent->manifestClass, 'preflight'))
{
if ($this->parent->manifestClass->preflight($this->route, $this) === false)
{
// Install failed, rollback changes
$this->parent->abort(JText::_('JLIB_INSTALLER_ABORT_PACKAGE_INSTALL_CUSTOM_INSTALL_FAILURE'));
return false;
}
}
$msg = ob_get_contents(); // create msg object; first use here
ob_end_clean();
// Filesystem Processing Section
if ($folder = $files->attributes()->folder)
{
$source = $this->parent->getPath('source') . '/' . $folder;
}
else
{
$source = $this->parent->getPath('source');
}
// Install all necessary files
if (count($this->manifest->files->children()))
{
$i = 0;
foreach ($this->manifest->files->children() as $child)
{
$file = $source . '/' . $child;
if (is_dir($file))
{
// If it's actually a directory then fill it up
$package = array();
$package['dir'] = $file;
$package['type'] = JInstallerHelper::detectType($file);
}
else
{
// If it's an archive
$package = JInstallerHelper::unpack($file);
}
$tmpInstaller = new JInstaller;
$installResult = $tmpInstaller->install($package['dir']);
if (!$installResult)
{
$this->parent->abort(
JText::sprintf(
'JLIB_INSTALLER_ABORT_PACK_INSTALL_ERROR_EXTENSION', JText::_('JLIB_INSTALLER_' . strtoupper($this->route)),
basename($file)
)
);
return false;
}
else
{
$results[$i] = array(
'name' => $tmpInstaller->manifest->name,
'result' => $installResult
);
}
$i++;
}
}
else
{
$this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT_PACK_INSTALL_NO_FILES', JText::_('JLIB_INSTALLER_' . strtoupper($this->route))));
return false;
}
// Parse optional tags
$this->parent->parseLanguages($this->manifest->languages);
// Extension Registration
$row = JTable::getInstance('extension');
$eid = $row->find(array('element' => strtolower($this->get('element')), 'type' => 'package'));
if ($eid)
{
$row->load($eid);
}
else
{
$row->name = $this->get('name');
$row->type = 'package';
$row->element = $this->get('element');
// There is no folder for modules
$row->folder = '';
$row->enabled = 1;
$row->protected = 0;
$row->access = 1;
$row->client_id = 0;
// custom data
$row->custom_data = '';
$row->params = $this->parent->getParams();
}
// Update the manifest cache for the entry
$row->manifest_cache = $this->parent->generateManifestCache();
if (!$row->store())
{
// Install failed, roll back changes
$this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT_PACK_INSTALL_ROLLBACK', $row->getError()));
return false;
}
// Finalization and Cleanup Section
// Start Joomla! 1.6
ob_start();
ob_implicit_flush(false);
if ($this->parent->manifestClass && method_exists($this->parent->manifestClass, $this->route))
{
if ($this->parent->manifestClass->{$this->route}($this) === false)
{
// Install failed, rollback changes
$this->parent->abort(JText::_('JLIB_INSTALLER_ABORT_FILE_INSTALL_CUSTOM_INSTALL_FAILURE'));
return false;
}
}
$msg .= ob_get_contents(); // append messages
ob_end_clean();
// Lastly, we will copy the manifest file to its appropriate place.
$manifest = array();
$manifest['src'] = $this->parent->getPath('manifest');
$manifest['dest'] = JPATH_MANIFESTS . '/packages/' . basename($this->parent->getPath('manifest'));
if (!$this->parent->copyFiles(array($manifest), true))
{
// Install failed, rollback changes
$this->parent->abort(
JText::sprintf('JLIB_INSTALLER_ABORT_PACK_INSTALL_COPY_SETUP', JText::_('JLIB_INSTALLER_ABORT_PACK_INSTALL_NO_FILES'))
);
return false;
}
// If there is a manifest script, let's copy it.
if ($this->get('manifest_script'))
{
// First, we have to create a folder for the script if one isn't present
$created = false;
if (!file_exists($this->parent->getPath('extension_root')))
{
JFolder::create($this->parent->getPath('extension_root'));
}
$path['src'] = $this->parent->getPath('source') . '/' . $this->get('manifest_script');
$path['dest'] = $this->parent->getPath('extension_root') . '/' . $this->get('manifest_script');
if (!file_exists($path['dest']) || $this->parent->isOverwrite())
{
if (!$this->parent->copyFiles(array($path)))
{
// Install failed, rollback changes
$this->parent->abort(JText::_('JLIB_INSTALLER_ABORT_PACKAGE_INSTALL_MANIFEST'));
return false;
}
}
}
// And now we run the postflight
ob_start();
ob_implicit_flush(false);
if ($this->parent->manifestClass && method_exists($this->parent->manifestClass, 'postflight'))
{
$this->parent->manifestClass->postflight($this->route, $this, $results);
}
$msg .= ob_get_contents(); // append messages
ob_end_clean();
if ($msg != '')
{
$this->parent->set('extension_message', $msg);
}
return $row->extension_id;
}
/**
* Updates a package
*
* The only difference between an update and a full install
* is how we handle the database
*
* @return void
*
* @since 11.1
*/
public function update()
{
$this->route = 'update';
$this->install();
}
/**
* Custom uninstall method
*
* @param integer $id The id of the package to uninstall.
*
* @return boolean True on success
*
* @since 11.1
*/
public function uninstall($id)
{
// Initialise variables.
$row = null;
$retval = true;
$row = JTable::getInstance('extension');
$row->load($id);
if ($row->protected)
{
JError::raiseWarning(100, JText::_('JLIB_INSTALLER_ERROR_PACK_UNINSTALL_WARNCOREPACK'));
return false;
}
$manifestFile = JPATH_MANIFESTS . '/packages/' . $row->get('element') . '.xml';
$manifest = new JPackageManifest($manifestFile);
// Set the package root path
$this->parent->setPath('extension_root', JPATH_MANIFESTS . '/packages/' . $manifest->packagename);
// Because packages may not have their own folders we cannot use the standard method of finding an installation manifest
if (!file_exists($manifestFile))
{
// TODO: Fail?
JError::raiseWarning(100, JText::_('JLIB_INSTALLER_ERROR_PACK_UNINSTALL_MISSINGMANIFEST'));
return false;
}
$xml = JFactory::getXML($manifestFile);
// If we cannot load the XML file return false
if (!$xml)
{
JError::raiseWarning(100, JText::_('JLIB_INSTALLER_ERROR_PACK_UNINSTALL_LOAD_MANIFEST'));
return false;
}
/*
* Check for a valid XML root tag.
* @todo: Remove backwards compatibility in a future version
* Should be 'extension', but for backward compatibility we will accept 'install'.
*/
if ($xml->getName() != 'install' && $xml->getName() != 'extension')
{
JError::raiseWarning(100, JText::_('JLIB_INSTALLER_ERROR_PACK_UNINSTALL_INVALID_MANIFEST'));
return false;
}
// If there is an manifest class file, let's load it
$this->scriptElement = $manifest->scriptfile;
$manifestScript = (string) $manifest->scriptfile;
if ($manifestScript)
{
$manifestScriptFile = $this->parent->getPath('extension_root') . '/' . $manifestScript;
if (is_file($manifestScriptFile))
{
// Load the file
include_once $manifestScriptFile;
}
// Set the class name
$classname = $row->element . 'InstallerScript';
if (class_exists($classname))
{
// Create a new instance
$this->parent->manifestClass = new $classname($this);
// And set this so we can copy it later
$this->set('manifest_script', $manifestScript);
// Note: if we don't find the class, don't bother to copy the file
}
}
ob_start();
ob_implicit_flush(false);
// Run uninstall if possible
if ($this->parent->manifestClass && method_exists($this->parent->manifestClass, 'uninstall'))
{
$this->parent->manifestClass->uninstall($this);
}
$msg = ob_get_contents();
ob_end_clean();
$error = false;
foreach ($manifest->filelist as $extension)
{
$tmpInstaller = new JInstaller;
$id = $this->_getExtensionID($extension->type, $extension->id, $extension->client, $extension->group);
$client = JApplicationHelper::getClientInfo($extension->client, true);
if ($id)
{
if (!$tmpInstaller->uninstall($extension->type, $id, $client->id))
{
$error = true;
JError::raiseWarning(100, JText::sprintf('JLIB_INSTALLER_ERROR_PACK_UNINSTALL_NOT_PROPER', basename($extension->filename)));
}
}
else
{
JError::raiseWarning(100, JText::_('JLIB_INSTALLER_ERROR_PACK_UNINSTALL_UNKNOWN_EXTENSION'));
}
}
// Remove any language files
$this->parent->removeFiles($xml->languages);
// clean up manifest file after we're done if there were no errors
if (!$error)
{
JFile::delete($manifestFile);
$folder = $this->parent->getPath('extension_root');
if (JFolder::exists($folder))
{
JFolder::delete($folder);
}
$row->delete();
}
else
{
JError::raiseWarning(100, JText::_('JLIB_INSTALLER_ERROR_PACK_UNINSTALL_MANIFEST_NOT_REMOVED'));
}
// Return the result up the line
return $retval;
}
/**
* Gets the extension id.
*
* @param string $type The extension type.
* @param string $id The name of the extension (the element field).
* @param integer $client The application id (0: Joomla CMS site; 1: Joomla CMS administrator).
* @param string $group The extension group (mainly for plugins).
*
* @return integer
*
* @since 11.1
*/
protected function _getExtensionID($type, $id, $client, $group)
{
$db = $this->parent->getDbo();
$result = $id;
$query = $db->getQuery(true);
$query->select('extension_id');
$query->from('#__extensions');
$query->where('type = ' . $db->Quote($type));
$query->where('element = ' . $db->Quote($id));
switch ($type)
{
case 'plugin':
// Plugins have a folder but not a client
$query->where('folder = ' . $db->Quote($group));
break;
case 'library':
case 'package':
case 'component':
// Components, packages and libraries don't have a folder or client.
// Included for completeness.
break;
case 'language':
case 'module':
case 'template':
// Languages, modules and templates have a client but not a folder
$client = JApplicationHelper::getClientInfo($client, true);
$query->where('client_id = ' . (int) $client->id);
break;
}
$db->setQuery($query);
$result = $db->loadResult();
// Note: For templates, libraries and packages their unique name is their key.
// This means they come out the same way they came in.
return $result;
}
/**
* Refreshes the extension table cache
*
* @return boolean Result of operation, true if updated, false on failure
*
* @since 11.1
*/
public function refreshManifestCache()
{
// Need to find to find where the XML file is since we don't store this normally
$manifestPath = JPATH_MANIFESTS . '/packages/' . $this->parent->extension->element . '.xml';
$this->parent->manifest = $this->parent->isManifest($manifestPath);
$this->parent->setPath('manifest', $manifestPath);
$manifest_details = JApplicationHelper::parseXMLInstallFile($this->parent->getPath('manifest'));
$this->parent->extension->manifest_cache = json_encode($manifest_details);
$this->parent->extension->name = $manifest_details['name'];
try
{
return $this->parent->extension->store();
}
catch (JException $e)
{
JError::raiseWarning(101, JText::_('JLIB_INSTALLER_ERROR_PACK_REFRESH_MANIFEST_CACHE'));
return false;
}
}
}