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<?php /** * @package Joomla.Plugin * @subpackage Extension.joomla * * @copyright (C) 2010 Open Source Matters, Inc. <https://www.joomla.org> * @license GNU General Public License version 2 or later; see LICENSE.txt */ namespace Joomla\Plugin\Extension\Joomla\Extension; use Joomla\CMS\Event\Extension\AfterInstallEvent; use Joomla\CMS\Event\Extension\AfterUninstallEvent; use Joomla\CMS\Event\Extension\AfterUpdateEvent; use Joomla\CMS\Installer\Installer; use Joomla\CMS\Language\Text; use Joomla\CMS\Plugin\CMSPlugin; use Joomla\Database\DatabaseAwareTrait; use Joomla\Database\ParameterType; use Joomla\Event\SubscriberInterface; // phpcs:disable PSR1.Files.SideEffects \defined('_JEXEC') or die; // phpcs:enable PSR1.Files.SideEffects /** * Joomla! main extension plugin. * * @since 1.6 */ final class Joomla extends CMSPlugin implements SubscriberInterface { use DatabaseAwareTrait; /** * @var integer * * @since 1.6 */ private $eid = 0; /** * @var Installer * * @since 1.6 */ private $installer = null; /** * Load the language file on instantiation. * * @var boolean * * @since 3.1 */ protected $autoloadLanguage = true; /** * Returns an array of events this subscriber will listen to. * * @return array * * @since 5.2.0 */ public static function getSubscribedEvents(): array { return [ 'onExtensionAfterInstall' => 'onExtensionAfterInstall', 'onExtensionAfterUpdate' => 'onExtensionAfterUpdate', 'onExtensionAfterUninstall' => 'onExtensionAfterUninstall', ]; } /** * Adds an update site to the table if it doesn't exist. * * @param string $name The friendly name of the site * @param string $type The type of site (e.g. collection or extension) * @param string $location The URI for the site * @param boolean $enabled If this site is enabled * @param string $extraQuery Any additional request query to use when updating * @param int $total The total of update sites * * @return void * * @since 1.6 */ private function addUpdateSite($name, $type, $location, $enabled, $extraQuery = '', int $total = 1) { // Look if the location is used already; doesn't matter what type you can't have two types at the same address, doesn't make sense $db = $this->getDatabase(); $query = $db->getQuery(true); $query->select($db->quoteName('update_site_id')) ->from($db->quoteName('#__update_sites')) ->where($db->quoteName('location') . ' = :location') ->bind(':location', $location); $db->setQuery($query); $update_site_id = (int) $db->loadResult(); // If it doesn't exist and there is an extension, use that site if (!$update_site_id && $this->eid && $total === 1) { $query->clear(); $query->select($db->quoteName('update_site_id')) ->from($db->quoteName('#__update_sites_extensions')) ->where($db->quoteName('extension_id') . ' = :extension_id') ->bind(':extension_id', $this->eid, ParameterType::INTEGER); $db->setQuery($query); // When there is an existing update site, update the location and return if ($id = $db->loadResult()) { $query->clear() ->update($db->quoteName('#__update_sites')) ->set($db->quoteName('location') . ' = :location') ->where($db->quoteName('update_site_id') . ' = :update_site_id') ->bind(':location', $location) ->bind(':update_site_id', $id, ParameterType::INTEGER); $db->setQuery($query); $db->execute(); return; } } if (!$update_site_id) { $enabled = (int) $enabled; $query->clear() ->insert($db->quoteName('#__update_sites')) ->columns($db->quoteName(['name', 'type', 'location', 'enabled', 'extra_query'])) ->values(':name, :type, :location, :enabled, :extra_query') ->bind(':name', $name) ->bind(':type', $type) ->bind(':location', $location) ->bind(':enabled', $enabled, ParameterType::INTEGER) ->bind(':extra_query', $extraQuery); $db->setQuery($query); if ($db->execute()) { // Link up this extension to the update site $update_site_id = $db->insertid(); } } // Check if it has an update site id (creation might have failed) if ($update_site_id) { // Look for an update site entry that exists $query->clear() ->select($db->quoteName('update_site_id')) ->from($db->quoteName('#__update_sites_extensions')) ->where( [ $db->quoteName('update_site_id') . ' = :updatesiteid', $db->quoteName('extension_id') . ' = :extensionid', ] ) ->bind(':updatesiteid', $update_site_id, ParameterType::INTEGER) ->bind(':extensionid', $this->eid, ParameterType::INTEGER); $db->setQuery($query); $tmpid = (int) $db->loadResult(); if (!$tmpid) { // Link this extension to the relevant update site $query->clear() ->insert($db->quoteName('#__update_sites_extensions')) ->columns($db->quoteName(['update_site_id', 'extension_id'])) ->values(':updatesiteid, :eid') ->bind(':updatesiteid', $update_site_id, ParameterType::INTEGER) ->bind(':eid', $this->eid, ParameterType::INTEGER); $db->setQuery($query); $db->execute(); } } } /** * Handle post extension install update sites * * @param AfterInstallEvent $event Event instance. * * @return void * * @since 1.6 */ public function onExtensionAfterInstall(AfterInstallEvent $event): void { $eid = $event->getEid(); if ($eid) { $this->installer = $event->getInstaller(); $this->eid = (int) $eid; // After an install we only need to do update sites $this->processUpdateSites(); } } /** * Handle extension uninstall * * @param AfterUninstallEvent $event Event instance. * * @return void * * @since 1.6 */ public function onExtensionAfterUninstall(AfterUninstallEvent $event): void { $eid = $event->getEid(); $removed = $event->getRemoved(); // If we have a valid extension ID and the extension was successfully uninstalled wipe out any // update sites for it if ($eid && $removed) { $db = $this->getDatabase(); $query = $db->getQuery(true); $eid = (int) $eid; $query->delete($db->quoteName('#__update_sites_extensions')) ->where($db->quoteName('extension_id') . ' = :eid') ->bind(':eid', $eid, ParameterType::INTEGER); $db->setQuery($query); $db->execute(); // Delete any unused update sites $query->clear() ->select($db->quoteName('update_site_id')) ->from($db->quoteName('#__update_sites_extensions')); $db->setQuery($query); $results = $db->loadColumn(); if (\is_array($results)) { // So we need to delete the update sites and their associated updates $updatesite_delete = $db->getQuery(true); $updatesite_delete->delete($db->quoteName('#__update_sites')); $updatesite_query = $db->getQuery(true); $updatesite_query->select($db->quoteName('update_site_id')) ->from($db->quoteName('#__update_sites')); // If we get results back then we can exclude them if (\count($results)) { $updatesite_query->whereNotIn($db->quoteName('update_site_id'), $results); $updatesite_delete->whereNotIn($db->quoteName('update_site_id'), $results); } // So let's find what update sites we're about to nuke and remove their associated extensions $db->setQuery($updatesite_query); $update_sites_pending_delete = $db->loadColumn(); if (\is_array($update_sites_pending_delete) && \count($update_sites_pending_delete)) { // Nuke any pending updates with this site before we delete it // @todo: investigate alternative of using a query after the delete below with a query and not in like above $query->clear() ->delete($db->quoteName('#__updates')) ->whereIn($db->quoteName('update_site_id'), $update_sites_pending_delete); $db->setQuery($query); $db->execute(); } // Note: this might wipe out the entire table if there are no extensions linked $db->setQuery($updatesite_delete); $db->execute(); } // Last but not least we wipe out any pending updates for the extension $query->clear() ->delete($db->quoteName('#__updates')) ->where($db->quoteName('extension_id') . ' = :eid') ->bind(':eid', $eid, ParameterType::INTEGER); $db->setQuery($query); $db->execute(); } } /** * After update of an extension * * @param AfterUpdateEvent $event Event instance. * * @return void * * @since 1.6 */ public function onExtensionAfterUpdate(AfterUpdateEvent $event): void { $eid = $event->getEid(); if ($eid) { $this->installer = $event->getInstaller(); $this->eid = (int) $eid; // Handle any update sites $this->processUpdateSites(); } } /** * Processes the list of update sites for an extension. * * @return void * * @since 1.6 */ private function processUpdateSites() { $manifest = $this->installer->getManifest(); $updateservers = $manifest->updateservers; if ($updateservers) { $children = $updateservers->children(); } else { $children = []; } if (\count($children)) { foreach ($children as $child) { $attrs = $child->attributes(); $this->addUpdateSite((string) $attrs['name'], (string) $attrs['type'], trim($child), true, $this->installer->extraQuery, \count($children)); } } else { $data = trim((string) $updateservers); if ($data !== '') { // We have a single entry in the update server line, let us presume this is an extension line $this->addUpdateSite(Text::_('PLG_EXTENSION_JOOMLA_UNKNOWN_SITE'), 'extension', $data, true); } } } }
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