Function GetOrigin

utils/http.go:121–131

GetOrigin returns the caller of the request.

(r *http.Request)

// GetOrigin returns the caller of the request.
func GetOrigin(r *http.Request) string {
	origin := r.Header.Get("RPC-Caller")
	if origin == "" {
		origin = r.Header.Get("X-Uber-Origin")
	}

	if origin == "" {
		origin = "UNKNOWN"
	}
	return origin
}

// NoopHTTPWrapper does nothing; used for testing
func NoopHTTPWrapper(h http.HandlerFunc) http.HandlerFunc {