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<?php
/**
* Joomla! Content Management System
*
* @copyright (C) 2008 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
namespace Joomla\CMS\Installer\Adapter;
\defined('JPATH_PLATFORM') or die;
use Joomla\CMS\Application\ApplicationHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\Filesystem\File;
use Joomla\CMS\Filesystem\Folder;
use Joomla\CMS\Filter\InputFilter;
use Joomla\CMS\Installer\Installer;
use Joomla\CMS\Installer\InstallerAdapter;
use Joomla\CMS\Installer\InstallerHelper;
use Joomla\CMS\Installer\Manifest\PackageManifest;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Log\Log;
use Joomla\CMS\Table\Table;
use Joomla\CMS\Table\Update;
use Joomla\Database\Exception\ExecutionFailureException;
use Joomla\Database\ParameterType;
use Joomla\Event\Event;
/**
* Package installer
*
* @since 3.1
*/
class PackageAdapter extends InstallerAdapter
{
/**
* An array of extension IDs for each installed extension
*
* @var array
* @since 3.7.0
*/
protected $installedIds = array();
/**
* The results of each installed extensions
*
* @var array
* @since 3.1
*/
protected $results = array();
/**
* Flag if the adapter supports discover installs
*
* Adapters should override this and set to false if discover install is unsupported
*
* @var boolean
* @since 3.4
*/
protected $supportsDiscoverInstall = false;
/**
* Method to check if the extension is present in the filesystem, flags the route as update if so
*
* @return void
*
* @since 3.4
* @throws \RuntimeException
*/
protected function checkExtensionInFilesystem()
{
// If the package manifest already exists, then we will assume that the package is already installed.
if (file_exists(JPATH_MANIFESTS . '/packages/' . basename($this->parent->getPath('manifest'))))
{
// Look for an update function or update tag
$updateElement = $this->manifest->update;
// Upgrade manually set or update function available or update tag detected
if ($updateElement || $this->parent->isUpgrade()
|| ($this->parent->manifestClass && method_exists($this->parent->manifestClass, 'update')))
{
// Force this one
$this->parent->setOverwrite(true);
$this->parent->setUpgrade(true);
if ($this->currentExtensionId)
{
// If there is a matching extension mark this as an update
$this->setRoute('update');
}
}
elseif (!$this->parent->isOverwrite())
{
// We didn't have overwrite set, find an update function or find an update tag so lets call it safe
throw new \RuntimeException(
Text::sprintf(
'JLIB_INSTALLER_ABORT_DIRECTORY',
Text::_('JLIB_INSTALLER_' . $this->route),
$this->type,
$this->parent->getPath('extension_root')
)
);
}
}
}
/**
* Method to copy the extension's base files from the `<files>` tag(s) and the manifest file
*
* @return void
*
* @since 3.4
* @throws \RuntimeException
*/
protected function copyBaseFiles()
{
$folder = (string) $this->getManifest()->files->attributes()->folder;
$source = $this->parent->getPath('source');
if ($folder)
{
$source .= '/' . $folder;
}
// Install all necessary files
if (!\count($this->getManifest()->files->children()))
{
throw new \RuntimeException(
Text::sprintf('JLIB_INSTALLER_ABORT_PACK_INSTALL_NO_FILES',
Text::_('JLIB_INSTALLER_' . strtoupper($this->route))
)
);
}
$dispatcher = Factory::getApplication()->getDispatcher();
// Add a callback for the `onExtensionAfterInstall` event so we can receive the installed extension ID
if (!$dispatcher->hasListener([$this, 'onExtensionAfterInstall'], 'onExtensionAfterInstall'))
{
$dispatcher->addListener('onExtensionAfterInstall', [$this, 'onExtensionAfterInstall']);
}
foreach ($this->getManifest()->files->children() as $child)
{
$file = $source . '/' . (string) $child;
if (is_dir($file))
{
// If it's actually a directory then fill it up
$package = array();
$package['dir'] = $file;
$package['type'] = InstallerHelper::detectType($file);
}
else
{
// If it's an archive
$package = InstallerHelper::unpack($file);
}
$tmpInstaller = new Installer;
$installResult = $tmpInstaller->install($package['dir']);
if (!$installResult)
{
throw new \RuntimeException(
Text::sprintf(
'JLIB_INSTALLER_ABORT_PACK_INSTALL_ERROR_EXTENSION',
Text::_('JLIB_INSTALLER_' . strtoupper($this->route)),
basename($file)
)
);
}
$this->results[] = array(
'name' => (string) $tmpInstaller->manifest->name,
'result' => $installResult,
);
}
}
/**
* Method to create the extension root path if necessary
*
* @return void
*
* @since 3.4
* @throws \RuntimeException
*/
protected function createExtensionRoot()
{
/*
* For packages, we only need the extension root if copying manifest files; this step will be handled
* at that point if necessary
*/
}
/**
* Method to finalise the installation processing
*
* @return void
*
* @since 3.4
* @throws \RuntimeException
*/
protected function finaliseInstall()
{
// Clobber any possible pending updates
/** @var Update $update */
$update = Table::getInstance('update');
$uid = $update->find(
array(
'element' => $this->element,
'type' => $this->type,
)
);
if ($uid)
{
$update->delete($uid);
}
// Set the package ID for each of the installed extensions to track the relationship
if (!empty($this->installedIds))
{
$db = $this->db;
$query = $db->getQuery(true)
->update($db->quoteName('#__extensions'))
->set($db->quoteName('package_id') . ' = :id')
->whereIn($db->quoteName('extension_id'), $this->installedIds)
->bind(':id', $this->extension->extension_id, ParameterType::INTEGER);
try
{
$db->setQuery($query)->execute();
}
catch (ExecutionFailureException $e)
{
Log::add(Text::_('JLIB_INSTALLER_ERROR_PACK_SETTING_PACKAGE_ID'), Log::WARNING, 'jerror');
}
}
// 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
throw new \RuntimeException(
Text::sprintf(
'JLIB_INSTALLER_ABORT_COPY_SETUP',
Text::_('JLIB_INSTALLER_' . strtoupper($this->route))
)
);
}
// If there is a manifest script, let's copy it.
if ($this->manifest_script)
{
// First, we have to create a folder for the script if one isn't present
if (!file_exists($this->parent->getPath('extension_root')))
{
if (!Folder::create($this->parent->getPath('extension_root')))
{
throw new \RuntimeException(
Text::sprintf(
'JLIB_INSTALLER_ABORT_CREATE_DIRECTORY',
Text::_('JLIB_INSTALLER_' . $this->route),
$this->parent->getPath('extension_root')
)
);
}
/*
* Since we created the extension directory and will want to remove it if
* we have to roll back the installation, let's add it to the
* installation step stack
*/
$this->parent->pushStep(
array(
'type' => 'folder',
'path' => $this->parent->getPath('extension_root'),
)
);
}
$path['src'] = $this->parent->getPath('source') . '/' . $this->manifest_script;
$path['dest'] = $this->parent->getPath('extension_root') . '/' . $this->manifest_script;
if ($this->parent->isOverwrite() || !file_exists($path['dest']))
{
if (!$this->parent->copyFiles(array($path)))
{
// Install failed, rollback changes
throw new \RuntimeException(
Text::sprintf(
'JLIB_INSTALLER_ABORT_MANIFEST',
Text::_('JLIB_INSTALLER_' . strtoupper($this->route))
)
);
}
}
}
}
/**
* Method to finalise the uninstallation processing
*
* @return boolean
*
* @since 4.0.0
* @throws \RuntimeException
*/
protected function finaliseUninstall(): bool
{
$db = $this->parent->getDbo();
// Remove the schema version
$query = $db->getQuery(true)
->delete($db->quoteName('#__schemas'))
->where($db->quoteName('extension_id') . ' = :extension_id')
->bind(':extension_id', $this->extension->extension_id, ParameterType::INTEGER);
$db->setQuery($query);
$db->execute();
// Clobber any possible pending updates
$update = Table::getInstance('update');
$uid = $update->find(
[
'element' => $this->extension->element,
'type' => $this->type,
]
);
if ($uid)
{
$update->delete($uid);
}
File::delete(JPATH_MANIFESTS . '/packages/' . $this->extension->element . '.xml');
$folder = $this->parent->getPath('extension_root');
if (Folder::exists($folder))
{
Folder::delete($folder);
}
$this->extension->delete();
return true;
}
/**
* Get the filtered extension element from the manifest
*
* @param string $element Optional element name to be converted
*
* @return string The filtered element
*
* @since 3.4
*/
public function getElement($element = null)
{
if (!$element)
{
// Ensure the element is a string
$element = (string) $this->getManifest()->packagename;
// Filter the name for illegal characters
$element = 'pkg_' . InputFilter::getInstance()->clean($element, 'cmd');
}
return $element;
}
/**
* Load language from a path
*
* @param string $path The path of the language.
*
* @return void
*
* @since 3.1
*/
public function loadLanguage($path)
{
$this->doLoadLanguage($this->getElement(), $path);
}
/**
* Handler for the `onExtensionAfterInstall` event
*
* @param Event $event The event
*
* @return void
*
* @since 3.7.0
*/
public function onExtensionAfterInstall(Event $event)
{
if ($event->getArgument('eid', false) !== false)
{
$this->installedIds[] = $event->getArgument('eid');
}
}
/**
* Method to parse optional tags in the manifest
*
* @return void
*
* @since 3.4
*/
protected function parseOptionalTags()
{
$this->parent->parseLanguages($this->getManifest()->languages);
}
/**
* Removes this extension's files
*
* @return void
*
* @since 4.0.0
* @throws \RuntimeException
*/
protected function removeExtensionFiles()
{
$manifest = new PackageManifest(JPATH_MANIFESTS . '/packages/' . $this->extension->element . '.xml');
$error = false;
foreach ($manifest->filelist as $extension)
{
$tmpInstaller = new Installer;
$tmpInstaller->setPackageUninstall(true);
$id = $this->_getExtensionId($extension->type, $extension->id, $extension->client, $extension->group);
if ($id)
{
if (!$tmpInstaller->uninstall($extension->type, $id))
{
$error = true;
Log::add(Text::sprintf('JLIB_INSTALLER_ERROR_PACK_UNINSTALL_NOT_PROPER', basename($extension->filename)), Log::WARNING, 'jerror');
}
}
else
{
Log::add(Text::_('JLIB_INSTALLER_ERROR_PACK_UNINSTALL_UNKNOWN_EXTENSION'), Log::WARNING, 'jerror');
}
}
// Remove any language files
$this->parent->removeFiles($this->getManifest()->languages);
// Clean up manifest file after we're done if there were no errors
if ($error)
{
throw new \RuntimeException(Text::_('JLIB_INSTALLER_ERROR_PACK_UNINSTALL_MANIFEST_NOT_REMOVED'));
}
}
/**
* Method to do any prechecks and setup the install paths for the extension
*
* @return void
*
* @since 3.4
* @throws \RuntimeException
*/
protected function setupInstallPaths()
{
$packagepath = (string) $this->getManifest()->packagename;
if (empty($packagepath))
{
throw new \RuntimeException(
Text::sprintf(
'JLIB_INSTALLER_ABORT_PACK_INSTALL_NO_PACK',
Text::_('JLIB_INSTALLER_' . strtoupper($this->route))
)
);
}
$this->parent->setPath('extension_root', JPATH_MANIFESTS . '/packages/' . $packagepath);
}
/**
* Method to do any prechecks and setup the uninstall job
*
* @return void
*
* @since 4.0.0
*/
protected function setupUninstall()
{
$manifestFile = JPATH_MANIFESTS . '/packages/' . $this->extension->element . '.xml';
$manifest = new PackageManifest($manifestFile);
// Set the package root path
$this->parent->setPath('extension_root', JPATH_MANIFESTS . '/packages/' . $manifest->packagename);
// Set the source path for compatibility with the API
$this->parent->setPath('source', $this->parent->getPath('extension_root'));
// Because packages may not have their own folders we cannot use the standard method of finding an installation manifest
if (!file_exists($manifestFile))
{
throw new \RuntimeException(Text::_('JLIB_INSTALLER_ERROR_PACK_UNINSTALL_MISSINGMANIFEST'));
}
$xml = simplexml_load_file($manifestFile);
if (!$xml)
{
throw new \RuntimeException(Text::_('JLIB_INSTALLER_ERROR_PACK_UNINSTALL_LOAD_MANIFEST'));
}
// Check for a valid XML root tag.
if ($xml->getName() !== 'extension')
{
throw new \RuntimeException(Text::_('JLIB_INSTALLER_ERROR_PACK_UNINSTALL_INVALID_MANIFEST'));
}
$this->setManifest($xml);
// Attempt to load the language file; might have uninstall strings
$this->loadLanguage(JPATH_SITE);
}
/**
* Method to store the extension to the database
*
* @return void
*
* @since 3.4
* @throws \RuntimeException
*/
protected function storeExtension()
{
if ($this->currentExtensionId)
{
if (!$this->parent->isOverwrite())
{
// Install failed, roll back changes
throw new \RuntimeException(
Text::sprintf(
'JLIB_INSTALLER_ABORT_ALREADY_EXISTS',
Text::_('JLIB_INSTALLER_' . $this->route),
$this->name
)
);
}
$this->extension->load($this->currentExtensionId);
$this->extension->name = $this->name;
}
else
{
$this->extension->name = $this->name;
$this->extension->type = 'package';
$this->extension->element = $this->element;
$this->extension->changelogurl = $this->changelogurl;
// There is no folder for packages
$this->extension->folder = '';
$this->extension->enabled = 1;
$this->extension->protected = 0;
$this->extension->access = 1;
$this->extension->client_id = 0;
$this->extension->params = $this->parent->getParams();
}
// Update the manifest cache for the entry
$this->extension->manifest_cache = $this->parent->generateManifestCache();
if (!$this->extension->store())
{
// Install failed, roll back changes
throw new \RuntimeException(
Text::sprintf(
'JLIB_INSTALLER_ABORT_PACK_INSTALL_ROLLBACK',
$this->extension->getError()
)
);
}
// Since we have created a package 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' => 'extension', 'id' => $this->extension->extension_id));
}
/**
* Executes a custom install script method
*
* @param string $method The install method to execute
*
* @return boolean True on success
*
* @since 3.4
*/
protected function triggerManifestScript($method)
{
ob_start();
ob_implicit_flush(false);
if ($this->parent->manifestClass && method_exists($this->parent->manifestClass, $method))
{
switch ($method)
{
// The preflight method takes the route as a param
case 'preflight':
if ($this->parent->manifestClass->$method($this->route, $this) === false)
{
// The script failed, rollback changes
throw new \RuntimeException(
Text::sprintf(
'JLIB_INSTALLER_ABORT_INSTALL_CUSTOM_INSTALL_FAILURE',
Text::_('JLIB_INSTALLER_' . $this->route)
)
);
}
break;
// The postflight method takes the route and a results array as params
case 'postflight':
$this->parent->manifestClass->$method($this->route, $this, $this->results);
break;
// The install, uninstall, and update methods only pass this object as a param
case 'install':
case 'uninstall':
case 'update':
if ($this->parent->manifestClass->$method($this) === false)
{
if ($method !== 'uninstall')
{
// The script failed, rollback changes
throw new \RuntimeException(
Text::sprintf(
'JLIB_INSTALLER_ABORT_INSTALL_CUSTOM_INSTALL_FAILURE',
Text::_('JLIB_INSTALLER_' . $this->route)
)
);
}
}
break;
}
}
// Append to the message object
$this->extensionMessage .= ob_get_clean();
// If in postflight or uninstall, set the message for display
if (($method === 'uninstall' || $method === 'postflight') && $this->extensionMessage !== '')
{
$this->parent->set('extension_message', $this->extensionMessage);
}
return true;
}
/**
* 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 $group The extension group (mainly for plugins).
*
* @return integer
*
* @since 3.1
*/
protected function _getExtensionId($type, $id, $client, $group)
{
$db = $this->parent->getDbo();
$query = $db->getQuery(true)
->select($db->quoteName('extension_id'))
->from($db->quoteName('#__extensions'))
->where(
[
$db->quoteName('type') . ' = :type',
$db->quoteName('element') . ' = :element',
]
)
->bind(':type', $type)
->bind(':element', $id);
switch ($type)
{
case 'plugin':
// Plugins have a folder but not a client
$query->where('folder = :folder')
->bind(':folder', $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
$clientId = ApplicationHelper::getClientInfo($client, true)->id;
$query->where('client_id = :client_id')
->bind(':client_id', $clientId, ParameterType::INTEGER);
break;
}
$db->setQuery($query);
// Note: For templates, libraries and packages their unique name is their key.
// This means they come out the same way they came in.
return $db->loadResult();
}
/**
* Refreshes the extension table cache
*
* @return boolean Result of operation, true if updated, false on failure
*
* @since 3.1
*/
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);
$manifest_details = Installer::parseXMLInstallFile($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 (\RuntimeException $e)
{
Log::add(Text::_('JLIB_INSTALLER_ERROR_PACK_REFRESH_MANIFEST_CACHE'), Log::WARNING, 'jerror');
return false;
}
}
}