From 4658d0727323fdf8107f94c7b0a61c419e6504f6 Mon Sep 17 00:00:00 2001
From: sentriz <senan@senan.xyz>
Date: Wed, 20 Apr 2022 23:09:25 +0100
Subject: [PATCH] fix(lastfm): make a better guess at callback protocol when
 incoming connection is TLS

closes: #213

Co-authored-by: Brian Doherty <brian.r.doherty@gmail.com>
---
 server/ctrlbase/ctrl.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/server/ctrlbase/ctrl.go b/server/ctrlbase/ctrl.go
index 209505a6..93f17b36 100644
--- a/server/ctrlbase/ctrl.go
+++ b/server/ctrlbase/ctrl.go
@@ -56,8 +56,12 @@ func (c *Controller) Path(rel string) string {
 }
 
 func (c *Controller) BaseURL(r *http.Request) string {
+	protocol := "http"
+	if r.TLS != nil {
+		protocol = "https"
+	}
 	scheme := firstExisting(
-		"http", // fallback
+		protocol, // fallback
 		r.Header.Get("X-Forwarded-Proto"),
 		r.Header.Get("X-Forwarded-Scheme"),
 		r.URL.Scheme,