websockets-manager-v4.go

var (
	/**
	websocketUpgrader is used to upgrade incomming HTTP requests into a persitent websocket connection
	*/
	websocketUpgrader = websocket.Upgrader{
		// Apply the Origin Checker
		CheckOrigin:     checkOrigin,
		ReadBufferSize:  1024,
		WriteBufferSize: 1024,
	}
)

var (
	ErrEventNotSupported = errors.New("this event type is not supported")
)

// checkOrigin will check origin and return true if its allowed
func checkOrigin(r *http.Request) bool {

	// Grab the request origin
	origin := r.Header.Get("Origin")

	switch origin {
	case "http://localhost:8080":
		return true
	default:
		return false
	}
}