public function executeFilter(HttpRequestInterface $request, HttpResponseInterface $response)
{
/*
* Deny service, if the system load is too high.
*/
if (defined('DEBUG') and DEBUG === false) {
$maxServerLoad = isset(self::$config['load']['max']) ? (double) self::$config['load']['max'] : 80;
if (\Koch\Functions\Functions::getServerLoad() > $maxServerLoad) {
$response->addHeader('Retry-After', mt_rand(45, 90));
$response->setStatusCode('503');
$response->addContent('HTTP/1.1 503 Server too busy. Please try again later.');
$response->sendResponse();
}
}
// ensure smarty "tpl_compile" folder exists
if (false === is_dir(APPLICATION_CACHE_PATH . 'tpl_compile') and false === @mkdir(APPLICATION_CACHE_PATH . 'tpl_compile', 0755, true)) {
throw new Exception('Smarty Template Directories not existant.', 9);
}
// ensure smarty "cache" folder exists
if (false === is_dir(APPLICATION_CACHE_PATH . 'tpl_cache') and false === @mkdir(APPLICATION_CACHE_PATH . 'tpl_cache', 0755, true)) {
throw new Exception('Smarty Template Directories not existant.', 9);
}
// ensure smarty folders are writable
if (false === is_writable(APPLICATION_CACHE_PATH . 'tpl_compile') or false === is_writable(APPLICATION_CACHE_PATH . 'tpl_cache')) {
// if not, try to set writeable permission on the folders
if (false === chmod(APPLICATION_CACHE_PATH . 'tpl_compile', 0755) and false === chmod(APPLICATION_CACHE_PATH . 'tpl_cache', 0755)) {
throw new Exception('Smarty Template Directories not writable.', 10);
}
}
}
