Provide fallback values if ip-lookup failed

Author: simonwep

src/websocket.js

@@ -56,8 +56,8 @@ const websocket = {
 
  ws._sessionInfo = {
  id: Math.floor(Math.random() * 1e15).toString(16) + Date.now().toString(16),
- city: lu.city,
- country: i18nCountries.getName(lu.country, 'en'),
+ city: lu ? lu.city : 'Unknown',
+ country: lu ? i18nCountries.getName(lu.country, 'en') : 'Unknown',
  device: userAgentParser(req.headers['user-agent'])
  };