CORS: Cross-domain requests - CSRF - Cross Site Request Forgery PROTECTION
Debugging: chrome://net-internals/#events
Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS
Access-Control-Allow-Credentials: 'Content-type, Authorization'
Access-Control-Allow-Origin: $ORIGIN
$ORIGIN = if(inWhitelist(requestOriginHeader) return requestOriginHeader
// Se esta na whitelist entao meter esse domain la
// Incluir ports no Allow Origin Header!!!