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编辑当前文件:/home2/sdektunc/www/plugins/system/stats/stats.php
* @license GNU General Public License version 2 or later; see LICENSE.txt */ defined('_JEXEC') or die; use Joomla\CMS\Cache\Cache; use Joomla\CMS\Factory; use Joomla\CMS\Http\HttpFactory; use Joomla\CMS\Language\Text; use Joomla\CMS\Layout\FileLayout; use Joomla\CMS\Log\Log; use Joomla\CMS\Plugin\CMSPlugin; use Joomla\CMS\Uri\Uri; use Joomla\CMS\User\UserHelper; // Uncomment the following line to enable debug mode for testing purposes. Note: statistics will be sent on every page load // define('PLG_SYSTEM_STATS_DEBUG', 1); /** * Statistics system plugin. This sends anonymous data back to the Joomla! Project about the * PHP, SQL, Joomla and OS versions * * @since 3.5 */ class PlgSystemStats extends CMSPlugin { /** * Indicates sending statistics is always allowed. * * @var integer * @since 3.5 */ const MODE_ALLOW_ALWAYS = 1; /** * Indicates sending statistics is only allowed one time. * * @var integer * @since 3.5 */ const MODE_ALLOW_ONCE = 2; /** * Indicates sending statistics is never allowed. * * @var integer * @since 3.5 */ const MODE_ALLOW_NEVER = 3; /** * Application object * * @var JApplicationCms * @since 3.5 */ protected $app; /** * Database object * * @var JDatabaseDriver * @since 3.5 */ protected $db; /** * URL to send the statistics. * * @var string * @since 3.5 */ protected $serverUrl = 'https://developer.joomla.org/stats/submit'; /** * Unique identifier for this site * * @var string * @since 3.5 */ protected $uniqueId; /** * Listener for the `onAfterInitialise` event * * @return void * * @since 3.5 */ public function onAfterInitialise() { if (!$this->app->isClient('administrator') || !$this->isAllowedUser()) { return; } if (!$this->isDebugEnabled() && !$this->isUpdateRequired()) { return; } if (Uri::getInstance()->getVar('tmpl') === 'component') { return; } // Load plugin language files only when needed (ex: they are not needed in site client). $this->loadLanguage(); } /** * Listener for the `onAfterDispatch` event * * @return void * * @since 4.0.0 */ public function onAfterDispatch() { if (!$this->app->isClient('administrator') || !$this->isAllowedUser()) { return; } if (!$this->isDebugEnabled() && !$this->isUpdateRequired()) { return; } if (Uri::getInstance()->getVar('tmpl') === 'component') { return; } if ($this->app->getDocument()->getType() !== 'html') { return; } $this->app->getDocument()->getWebAssetManager() ->registerAndUseScript('plg_system_stats.message', 'plg_system_stats/stats-message.js', [], ['defer' => true], ['core']); } /** * User selected to always send data * * @return void * * @since 3.5 * * @throws Exception If user is not allowed. * @throws RuntimeException If there is an error saving the params or sending the data. */ public function onAjaxSendAlways() { if (!$this->isAllowedUser() || !$this->isAjaxRequest()) { throw new Exception(Text::_('JGLOBAL_AUTH_ACCESS_DENIED'), 403); } $this->params->set('mode', static::MODE_ALLOW_ALWAYS); if (!$this->saveParams()) { throw new RuntimeException('Unable to save plugin settings', 500); } echo json_encode(['sent' => (int) $this->sendStats()]); } /** * User selected to never send data. * * @return void * * @since 3.5 * * @throws Exception If user is not allowed. * @throws RuntimeException If there is an error saving the params. */ public function onAjaxSendNever() { if (!$this->isAllowedUser() || !$this->isAjaxRequest()) { throw new Exception(Text::_('JGLOBAL_AUTH_ACCESS_DENIED'), 403); } $this->params->set('mode', static::MODE_ALLOW_NEVER); if (!$this->saveParams()) { throw new RuntimeException('Unable to save plugin settings', 500); } if (!$this->disablePlugin()) { throw new RuntimeException('Unable to disable the statistics plugin', 500); } echo json_encode(['sent' => 0]); } /** * User selected to send data once. * * @return void * * @since 3.5 * * @throws Exception If user is not allowed. * @throws RuntimeException If there is an error saving the params, disabling the plugin or sending the data. */ public function onAjaxSendOnce() { if (!$this->isAllowedUser() || !$this->isAjaxRequest()) { throw new Exception(Text::_('JGLOBAL_AUTH_ACCESS_DENIED'), 403); } $this->params->set('mode', static::MODE_ALLOW_ONCE); if (!$this->saveParams()) { throw new RuntimeException('Unable to save plugin settings', 500); } $this->sendStats(); if (!$this->disablePlugin()) { throw new RuntimeException('Unable to disable the statistics plugin', 500); } echo json_encode(['sent' => 1]); } /** * Send the stats to the server. * On first load | on demand mode it will show a message asking users to select mode. * * @return void * * @since 3.5 * * @throws Exception If user is not allowed. * @throws RuntimeException If there is an error saving the params, disabling the plugin or sending the data. */ public function onAjaxSendStats() { if (!$this->isAllowedUser() || !$this->isAjaxRequest()) { throw new Exception(Text::_('JGLOBAL_AUTH_ACCESS_DENIED'), 403); } // User has not selected the mode. Show message. if ((int) $this->params->get('mode') !== static::MODE_ALLOW_ALWAYS) { $data = [ 'sent' => 0, 'html' => $this->getRenderer('message')->render($this->getLayoutData()), ]; echo json_encode($data); return; } if (!$this->saveParams()) { throw new RuntimeException('Unable to save plugin settings', 500); } echo json_encode(['sent' => (int) $this->sendStats()]); } /** * Get the data through events * * @param string $context Context where this will be called from * * @return array * * @since 3.5 */ public function onGetStatsData($context) { return $this->getStatsData(); } /** * Debug a layout of this plugin * * @param string $layoutId Layout identifier * @param array $data Optional data for the layout * * @return string * * @since 3.5 */ public function debug($layoutId, $data = []) { $data = array_merge($this->getLayoutData(), $data); return $this->getRenderer($layoutId)->debug($data); } /** * Get the data for the layout * * @return array * * @since 3.5 */ protected function getLayoutData() { return [ 'plugin' => $this, 'pluginParams' => $this->params, 'statsData' => $this->getStatsData(), ]; } /** * Get the layout paths * * @return array * * @since 3.5 */ protected function getLayoutPaths() { $template = Factory::getApplication()->getTemplate(); return [ JPATH_ADMINISTRATOR . '/templates/' . $template . '/html/layouts/plugins/' . $this->_type . '/' . $this->_name, __DIR__ . '/layouts', ]; } /** * Get the plugin renderer * * @param string $layoutId Layout identifier * * @return JLayout * * @since 3.5 */ protected function getRenderer($layoutId = 'default') { $renderer = new FileLayout($layoutId); $renderer->setIncludePaths($this->getLayoutPaths()); return $renderer; } /** * Get the data that will be sent to the stats server. * * @return array * * @since 3.5 */ private function getStatsData() { $data = [ 'unique_id' => $this->getUniqueId(), 'php_version' => PHP_VERSION, 'db_type' => $this->db->name, 'db_version' => $this->db->getVersion(), 'cms_version' => JVERSION, 'server_os' => php_uname('s') . ' ' . php_uname('r'), ]; // Check if we have a MariaDB version string and extract the proper version from it if (preg_match('/^(?:5\.5\.5-)?(mariadb-)?(?P
\d+)\.(?P
\d+)\.(?P
\d+)/i', $data['db_version'], $versionParts)) { $data['db_version'] = $versionParts['major'] . '.' . $versionParts['minor'] . '.' . $versionParts['patch']; } return $data; } /** * Get the unique id. Generates one if none is set. * * @return integer * * @since 3.5 */ private function getUniqueId() { if (null === $this->uniqueId) { $this->uniqueId = $this->params->get('unique_id', hash('sha1', UserHelper::genRandomPassword(28) . time())); } return $this->uniqueId; } /** * Check if current user is allowed to send the data * * @return boolean * * @since 3.5 */ private function isAllowedUser() { return Factory::getUser()->authorise('core.admin'); } /** * Check if the debug is enabled * * @return boolean * * @since 3.5 */ private function isDebugEnabled() { return defined('PLG_SYSTEM_STATS_DEBUG'); } /** * Check if last_run + interval > now * * @return boolean * * @since 3.5 */ private function isUpdateRequired() { $last = (int) $this->params->get('lastrun', 0); $interval = (int) $this->params->get('interval', 12); $mode = (int) $this->params->get('mode', 0); if ($mode === static::MODE_ALLOW_NEVER) { return false; } // Never updated or debug enabled if (!$last || $this->isDebugEnabled()) { return true; } return abs(time() - $last) > $interval * 3600; } /** * Check valid AJAX request * * @return boolean * * @since 3.5 */ private function isAjaxRequest() { return strtolower($this->app->input->server->get('HTTP_X_REQUESTED_WITH', '')) === 'xmlhttprequest'; } /** * Render a layout of this plugin * * @param string $layoutId Layout identifier * @param array $data Optional data for the layout * * @return string * * @since 3.5 */ public function render($layoutId, $data = []) { $data = array_merge($this->getLayoutData(), $data); return $this->getRenderer($layoutId)->render($data); } /** * Save the plugin parameters * * @return boolean * * @since 3.5 */ private function saveParams() { // Update params $this->params->set('lastrun', time()); $this->params->set('unique_id', $this->getUniqueId()); $interval = (int) $this->params->get('interval', 12); $this->params->set('interval', $interval ?: 12); $paramsJson = $this->params->toString('JSON'); $db = $this->db; $query = $db->getQuery(true) ->update($db->quoteName('#__extensions')) ->set($db->quoteName('params') . ' = :params') ->where($db->quoteName('type') . ' = ' . $db->quote('plugin')) ->where($db->quoteName('folder') . ' = ' . $db->quote('system')) ->where($db->quoteName('element') . ' = ' . $db->quote('stats')) ->bind(':params', $paramsJson); try { // Lock the tables to prevent multiple plugin executions causing a race condition $db->lockTable('#__extensions'); } catch (Exception $e) { // If we can't lock the tables it's too risky to continue execution return false; } try { // Update the plugin parameters $result = $db->setQuery($query)->execute(); $this->clearCacheGroups(['com_plugins']); } catch (Exception $exc) { // If we failed to execute $db->unlockTables(); $result = false; } try { // Unlock the tables after writing $db->unlockTables(); } catch (Exception $e) { // If we can't lock the tables assume we have somehow failed $result = false; } return $result; } /** * Send the stats to the stats server * * @return boolean * * @since 3.5 * * @throws RuntimeException If there is an error sending the data and debug mode enabled. */ private function sendStats() { $error = false; try { // Don't let the request take longer than 2 seconds to avoid page timeout issues $response = HttpFactory::getHttp()->post($this->serverUrl, $this->getStatsData(), [], 2); if (!$response) { $error = 'Could not send site statistics to remote server: No response'; } elseif ($response->code !== 200) { $data = json_decode($response->body); $error = 'Could not send site statistics to remote server: ' . $data->message; } } catch (UnexpectedValueException $e) { // There was an error sending stats. Should we do anything? $error = 'Could not send site statistics to remote server: ' . $e->getMessage(); } catch (RuntimeException $e) { // There was an error connecting to the server or in the post request $error = 'Could not connect to statistics server: ' . $e->getMessage(); } catch (Exception $e) { // An unexpected error in processing; don't let this failure kill the site $error = 'Unexpected error connecting to statistics server: ' . $e->getMessage(); } if ($error !== false) { // Log any errors if logging enabled. Log::add($error, Log::WARNING, 'jerror'); // If Stats debug mode enabled, or Global Debug mode enabled, show error to the user. if ($this->isDebugEnabled() || $this->app->get('debug')) { throw new RuntimeException($error, 500); } return false; } return true; } /** * Clears cache groups. We use it to clear the plugins cache after we update the last run timestamp. * * @param array $clearGroups The cache groups to clean * * @return void * * @since 3.5 */ private function clearCacheGroups(array $clearGroups) { foreach ($clearGroups as $group) { try { $options = [ 'defaultgroup' => $group, 'cachebase' => $this->app->get('cache_path', JPATH_CACHE), ]; $cache = Cache::getInstance('callback', $options); $cache->clean(); } catch (Exception $e) { // Ignore it } } } /** * Disable this plugin, if user selects once or never, to stop Joomla loading the plugin on every page load and * therefore regaining a tiny bit of performance * * @since 4.0.0 * * @return boolean */ private function disablePlugin() { $db = $this->db; $query = $db->getQuery(true) ->update($db->quoteName('#__extensions')) ->set($db->quoteName('enabled') . ' = 0') ->where($db->quoteName('type') . ' = ' . $db->quote('plugin')) ->where($db->quoteName('folder') . ' = ' . $db->quote('system')) ->where($db->quoteName('element') . ' = ' . $db->quote('stats')); try { // Lock the tables to prevent multiple plugin executions causing a race condition $db->lockTable('#__extensions'); } catch (Exception $e) { // If we can't lock the tables it's too risky to continue execution return false; } try { // Update the plugin parameters $result = $db->setQuery($query)->execute(); $this->clearCacheGroups(['com_plugins']); } catch (Exception $exc) { // If we failed to execute $db->unlockTables(); $result = false; } try { // Unlock the tables after writing $db->unlockTables(); } catch (Exception $e) { // If we can't lock the tables assume we have somehow failed $result = false; } return $result; } }