public function dispatch()
{
$module = Common::getRequestVar('module', '', 'string');
$action = Common::getRequestVar('action', '', 'string');
if ($module == 'CoreUpdater' || $module == 'Proxy' || $module == 'Installation' || $module == 'LanguagesManager' && $action == 'saveLanguage') {
return;
}
$updater = new PiwikCoreUpdater();
$updates = $updater->getComponentsWithNewVersion(array('core' => Version::VERSION));
if (!empty($updates)) {
Filesystem::deleteAllCacheOnUpdate();
}
if ($updater->getComponentUpdates() !== null) {
if (FrontController::shouldRethrowException()) {
throw new Exception("Piwik and/or some plugins have been upgraded to a new version. \n" . "--> Please run the update process first. See documentation: http://piwik.org/docs/update/ \n");
} elseif ($module === 'API') {
$outputFormat = strtolower(Common::getRequestVar('format', 'xml', 'string', $_GET + $_POST));
$response = new ResponseBuilder($outputFormat);
$e = new Exception('Database Upgrade Required. Your Piwik database is out-of-date, and must be upgraded before you can continue.');
echo $response->getResponseException($e);
Common::sendResponseCode(503);
exit;
} else {
Piwik::redirectToModule('CoreUpdater');
}
}
}