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<?php
/**
* Joomla! Content Management System
*
* @copyright (C) 2005 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;
use Joomla\CMS\Application\ApplicationHelper;
use Joomla\CMS\Filesystem\Folder;
use Joomla\CMS\Installer\Installer;
use Joomla\CMS\Installer\InstallerAdapter;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Log\Log;
use Joomla\CMS\Table\Table;
use Joomla\CMS\Table\Update;
use Joomla\Database\ParameterType;
use Joomla\Filesystem\File;
// phpcs:disable PSR1.Files.SideEffects
\defined('JPATH_PLATFORM') or die;
// phpcs:enable PSR1.Files.SideEffects
/**
* Plugin installer
*
* @since 3.1
*/
class PluginAdapter extends InstallerAdapter
{
/**
* Group of the plugin
*
* @var string
* @since 4.3.0
*/
protected $group;
/**
* `<scriptfile>` element of the extension manifest
*
* @var object
* @since 3.1
*/
protected $scriptElement = null;
/**
* `<files>` element of the old extension manifest
*
* @var object
* @since 3.1
*/
protected $oldFiles = null;
/**
* Method to check if the extension is already present in the database
*
* @return void
*
* @since 3.4
* @throws \RuntimeException
*/
protected function checkExistingExtension()
{
try {
$this->currentExtensionId = $this->extension->find(
['type' => $this->type, 'element' => $this->element, 'folder' => $this->group]
);
} catch (\RuntimeException $e) {
// Install failed, roll back changes
throw new \RuntimeException(
Text::sprintf(
'JLIB_INSTALLER_ABORT_ROLLBACK',
Text::_('JLIB_INSTALLER_' . $this->route),
$e->getMessage()
),
$e->getCode(),
$e
);
}
}
/**
* Method to copy the extension's base files from the `<files>` tag(s) and the manifest file
*
* @return void
*
* @since 3.4
* @throws \RuntimeException
*/
protected function copyBaseFiles()
{
// Copy all necessary files
if ($this->parent->parseFiles($this->getManifest()->files, -1, $this->oldFiles) === false) {
throw new \RuntimeException(
Text::sprintf(
'JLIB_INSTALLER_ABORT_PLG_COPY_FILES',
Text::_('JLIB_INSTALLER_' . $this->route)
)
);
}
// If there is a manifest script, let's copy it.
if ($this->manifest_script) {
$path = [];
$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([$path])) {
// Install failed, rollback changes
throw new \RuntimeException(
Text::sprintf(
'JLIB_INSTALLER_ABORT_MANIFEST',
Text::_('JLIB_INSTALLER_' . $this->route)
)
);
}
}
}
}
/**
* Method to create the extension root path if necessary
*
* @return void
*
* @since 3.4
* @throws \RuntimeException
*/
protected function createExtensionRoot()
{
// Run the common create code first
parent::createExtensionRoot();
// If we're updating at this point when there is always going to be an extension_root find the old XML files
if ($this->route === 'update') {
// Create a new installer because findManifest sets stuff; side effects!
$tmpInstaller = new Installer();
$tmpInstaller->setDatabase($this->getDatabase());
// Look in the extension root
$tmpInstaller->setPath('source', $this->parent->getPath('extension_root'));
if ($tmpInstaller->findManifest()) {
$old_manifest = $tmpInstaller->getManifest();
$this->oldFiles = $old_manifest->files;
}
}
}
/**
* 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(
[
'element' => $this->element,
'type' => $this->type,
'folder' => $this->group,
]
);
if ($uid) {
$update->delete($uid);
}
// Lastly, we will copy the manifest file to its appropriate place.
if ($this->route !== 'discover_install') {
if (!$this->parent->copyManifest(-1)) {
// Install failed, rollback changes
throw new \RuntimeException(
Text::sprintf(
'JLIB_INSTALLER_ABORT_COPY_SETUP',
Text::_('JLIB_INSTALLER_' . strtoupper($this->route))
)
);
}
}
}
/**
* Method to finalise the uninstallation processing
*
* @return boolean
*
* @since 4.0.0
* @throws \RuntimeException
*/
protected function finaliseUninstall(): bool
{
$extensionId = $this->extension->extension_id;
$db = $this->getDatabase();
// Remove the schema version
$query = $db->getQuery(true)
->delete('#__schemas')
->where('extension_id = :extension_id')
->bind(':extension_id', $extensionId, ParameterType::INTEGER);
$db->setQuery($query);
$db->execute();
// Now we will no longer need the plugin object, so let's delete it
$this->extension->delete($this->extension->extension_id);
// Remove the plugin's folder
Folder::delete($this->parent->getPath('extension_root'));
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 ($element || !$this->getManifest()) {
return $element;
}
// Backward Compatibility
// @todo Deprecate in future version
if (!\count($this->getManifest()->files->children())) {
return $element;
}
$type = (string) $this->getManifest()->attributes()->type;
foreach ($this->getManifest()->files->children() as $file) {
if ((string) $file->attributes()->$type) {
$element = (string) $file->attributes()->$type;
break;
}
}
return $element;
}
/**
* Get the class name for the install adapter script.
*
* @return string The class name.
*
* @since 3.4
*/
protected function getScriptClassName()
{
return 'Plg' . str_replace('-', '', $this->group) . $this->element . 'InstallerScript';
}
/**
* Custom loadLanguage method
*
* @param string $path The path where to find language files.
*
* @return void
*
* @since 3.1
*/
public function loadLanguage($path = null)
{
$source = $this->parent->getPath('source');
if (!$source) {
$this->parent->setPath(
'source',
JPATH_PLUGINS . '/' . $this->parent->extension->folder . '/' . $this->parent->extension->element
);
}
$element = $this->getManifest()->files;
if ($element) {
$group = strtolower((string) $this->getManifest()->attributes()->group);
$name = '';
if (\count($element->children())) {
foreach ($element->children() as $file) {
if ((string) $file->attributes()->plugin) {
$name = strtolower((string) $file->attributes()->plugin);
break;
}
}
}
if ($name) {
$extension = "plg_{$group}_{$name}";
$source = $path ?: JPATH_PLUGINS . "/$group/$name";
$folder = (string) $element->attributes()->folder;
if ($folder && file_exists("$path/$folder")) {
$source = "$path/$folder";
}
$this->doLoadLanguage($extension, $source, JPATH_ADMINISTRATOR);
}
}
}
/**
* Method to parse optional tags in the manifest
*
* @return void
*
* @since 3.4
*/
protected function parseOptionalTags()
{
// Parse optional tags -- media and language files for plugins go in admin app
$this->parent->parseMedia($this->getManifest()->media, 1);
$this->parent->parseLanguages($this->getManifest()->languages, 1);
}
/**
* Prepares the adapter for a discover_install task
*
* @return void
*
* @since 3.4
*/
public function prepareDiscoverInstall()
{
$client = ApplicationHelper::getClientInfo($this->extension->client_id);
$basePath = $client->path . '/plugins/' . $this->extension->folder;
$manifestPath = $basePath . '/' . $this->extension->element . '/' . $this->extension->element . '.xml';
$this->parent->manifest = $this->parent->isManifest($manifestPath);
$this->parent->setPath('manifest', $manifestPath);
$this->setManifest($this->parent->getManifest());
}
/**
* Removes this extension's files
*
* @return void
*
* @since 4.0.0
* @throws \RuntimeException
*/
protected function removeExtensionFiles()
{
// Remove the plugin files
$this->parent->removeFiles($this->getManifest()->files, -1);
// Remove all media and languages as well
$this->parent->removeFiles($this->getManifest()->media);
$this->parent->removeFiles($this->getManifest()->languages, 1);
}
/**
* Method to do any prechecks and setup the install paths for the extension
*
* @return void
*
* @since 3.4
* @throws \RuntimeException
*/
protected function setupInstallPaths()
{
$this->group = (string) $this->getManifest()->attributes()->group;
if (empty($this->element) && empty($this->group)) {
throw new \RuntimeException(
Text::sprintf(
'JLIB_INSTALLER_ABORT_PLG_INSTALL_NO_FILE',
Text::_('JLIB_INSTALLER_' . $this->route)
)
);
}
$this->parent->setPath('extension_root', JPATH_PLUGINS . '/' . $this->group . '/' . $this->element);
}
/**
* Method to do any prechecks and setup the uninstall job
*
* @return void
*
* @since 4.0.0
*/
protected function setupUninstall()
{
// Get the plugin folder so we can properly build the plugin path
if (trim($this->extension->folder) === '') {
throw new \RuntimeException(Text::_('JLIB_INSTALLER_ERROR_PLG_UNINSTALL_FOLDER_FIELD_EMPTY'));
}
// Set the plugin root path
$this->parent->setPath('extension_root', JPATH_PLUGINS . '/' . $this->extension->folder . '/' . $this->extension->element);
$this->parent->setPath('source', $this->parent->getPath('extension_root'));
$this->parent->findManifest();
$this->setManifest($this->parent->getManifest());
if ($this->getManifest()) {
$this->group = (string) $this->getManifest()->attributes()->group;
}
// Attempt to load the language file; might have uninstall strings
$this->loadLanguage($this->parent->getPath('source'));
}
/**
* Method to store the extension to the database
*
* @return void
*
* @since 3.4
* @throws \RuntimeException
*/
protected function storeExtension()
{
// Discover installs are stored a little differently
if ($this->route === 'discover_install') {
$manifest_details = Installer::parseXMLInstallFile($this->parent->getPath('manifest'));
$this->extension->manifest_cache = json_encode($manifest_details);
$this->extension->state = 0;
$this->extension->name = $manifest_details['name'];
$this->extension->enabled = 'editors' === $this->extension->folder ? 1 : 0;
$this->extension->params = $this->parent->getParams();
$this->extension->changelogurl = (string) $this->manifest->changelogurl;
if (!$this->extension->store()) {
// Install failed, roll back changes
throw new \RuntimeException(Text::_('JLIB_INSTALLER_ERROR_PLG_DISCOVER_STORE_DETAILS'));
}
return;
}
// Was there a plugin with the same name already installed?
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
)
);
}
// Load the entry and update the manifest_cache
$this->extension->load($this->currentExtensionId);
// Update name
$this->extension->name = $this->name;
// Update namespace
$this->extension->namespace = (string) $this->manifest->namespace;
// Update changelogurl
$this->extension->changelogurl = (string) $this->manifest->changelogurl;
// Update manifest
$this->extension->manifest_cache = $this->parent->generateManifestCache();
// Update the manifest cache and name
$this->extension->store();
} else {
// Store in the extensions table (1.6)
$this->extension->name = $this->name;
$this->extension->type = 'plugin';
$this->extension->ordering = 0;
$this->extension->element = $this->element;
$this->extension->folder = $this->group;
$this->extension->enabled = 0;
$this->extension->protected = 0;
$this->extension->access = 1;
$this->extension->client_id = 0;
$this->extension->params = $this->parent->getParams();
$this->extension->changelogurl = $this->changelogurl;
// Update the manifest cache for the entry
$this->extension->manifest_cache = $this->parent->generateManifestCache();
// Editor plugins are published by default
if ($this->group === 'editors') {
$this->extension->enabled = 1;
}
if (!$this->extension->store()) {
// Install failed, roll back changes
throw new \RuntimeException(
Text::sprintf(
'JLIB_INSTALLER_ABORT_PLG_INSTALL_ROLLBACK',
Text::_('JLIB_INSTALLER_' . $this->route),
$this->extension->getError()
)
);
}
// 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(['type' => 'extension', 'id' => $this->extension->extension_id]);
}
}
/**
* Custom discover method
*
* @return array Extension) list of extensions available
*
* @since 3.1
*/
public function discover()
{
$results = [];
$folder_list = Folder::folders(JPATH_SITE . '/plugins');
foreach ($folder_list as $folder) {
$file_list = Folder::files(JPATH_SITE . '/plugins/' . $folder, '\.xml$');
foreach ($file_list as $file) {
$manifest_details = Installer::parseXMLInstallFile(JPATH_SITE . '/plugins/' . $folder . '/' . $file);
$file = File::stripExt($file);
// Ignore example plugins
if ($file === 'example' || $manifest_details === false) {
continue;
}
$element = empty($manifest_details['filename']) ? $file : $manifest_details['filename'];
$extension = Table::getInstance('extension');
$extension->set('type', 'plugin');
$extension->set('client_id', 0);
$extension->set('element', $element);
$extension->set('folder', $folder);
$extension->set('name', $manifest_details['name']);
$extension->set('state', -1);
$extension->set('manifest_cache', json_encode($manifest_details));
$extension->set('params', '{}');
$results[] = $extension;
}
$folder_list = Folder::folders(JPATH_SITE . '/plugins/' . $folder);
foreach ($folder_list as $plugin_folder) {
$file_list = Folder::files(JPATH_SITE . '/plugins/' . $folder . '/' . $plugin_folder, '\.xml$');
foreach ($file_list as $file) {
$manifest_details = Installer::parseXMLInstallFile(
JPATH_SITE . '/plugins/' . $folder . '/' . $plugin_folder . '/' . $file
);
$file = File::stripExt($file);
if ($file === 'example' || $manifest_details === false) {
continue;
}
$element = empty($manifest_details['filename']) ? $file : $manifest_details['filename'];
// Ignore example plugins
$extension = Table::getInstance('extension');
$extension->set('type', 'plugin');
$extension->set('client_id', 0);
$extension->set('element', $element);
$extension->set('folder', $folder);
$extension->set('name', $manifest_details['name']);
$extension->set('state', -1);
$extension->set('manifest_cache', json_encode($manifest_details));
$extension->set('params', '{}');
$results[] = $extension;
}
}
}
return $results;
}
/**
* Refreshes the extension table cache.
*
* @return boolean Result of operation, true if updated, false on failure.
*
* @since 3.1
*/
public function refreshManifestCache()
{
/*
* Plugins use the extensions table as their primary store
* Similar to modules and templates, rather easy
* If it's not in the extensions table we just add it
*/
$client = ApplicationHelper::getClientInfo($this->parent->extension->client_id);
$manifestPath = $client->path . '/plugins/' . $this->parent->extension->folder . '/' . $this->parent->extension->element . '/'
. $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 = $manifest_details['name'];
if ($this->parent->extension->store()) {
return true;
} else {
Log::add(Text::_('JLIB_INSTALLER_ERROR_PLG_REFRESH_MANIFEST_CACHE'), Log::WARNING, 'jerror');
return false;
}
}
}