- if (isset($_SERVER['SERVER_SOFTWARE']) && preg_match('/nginx/i', $_SERVER['SERVER_SOFTWARE'])) {
- error_log('user "' . $request->get($this->username()) . '" was not found in "BookStack"', 4);
- } else {
- error_log('user "' . $request->get($this->username()) . '" authentication failure for "BookStack"', 4);
- }
+ $log_msg = env('FAILED_ACCESS_MESSAGE', '');
+
+ if (!is_string($request->get($this->username())) || !is_string($log_msg) || strlen($log_msg)<1)
+ return;
+
+ $log_msg = str_replace("%u", $request->get($this->username()), $log_msg);
+ error_log($log_msg, 4);