From 64b83e364fe199191d3e98d60919e06de67c0a00 Mon Sep 17 00:00:00 2001
From: Max Schmitt <max@schmitt.mx>
Date: Thu, 18 Oct 2018 22:10:56 +0200
Subject: [PATCH] throw error when credentials are needed.

---
 pkg/fritzboxmetrics/fritzboxmetrics.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkg/fritzboxmetrics/fritzboxmetrics.go b/pkg/fritzboxmetrics/fritzboxmetrics.go
index 4775f82..f5ca829 100644
--- a/pkg/fritzboxmetrics/fritzboxmetrics.go
+++ b/pkg/fritzboxmetrics/fritzboxmetrics.go
@@ -241,6 +241,9 @@ func (a *Action) Call() (Result, error) {
 	if err != nil {
 		return nil, errors.Wrap(err, "could not roundtrip digest authentification")
 	}
+	if resp.StatusCode == http.StatusUnauthorized {
+		return nil, errors.New("authorization required")
+	}
 
 	data := new(bytes.Buffer)
 	data.ReadFrom(resp.Body)