From e99d6ba7b3617f4079004b2f24d944c855a53ca2 Mon Sep 17 00:00:00 2001
From: Marcin Rataj <lidel@lidel.org>
Date: Mon, 29 Jul 2024 23:20:27 +0200
Subject: [PATCH] fix(dns): allow http:// DoH resolvers

allows people to run own DoH resolver on the same box or within same
secure LAN
---
 gateway/dns.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gateway/dns.go b/gateway/dns.go
index 376c42669..a96b4c7ca 100644
--- a/gateway/dns.go
+++ b/gateway/dns.go
@@ -15,8 +15,8 @@ var defaultResolvers = map[string]string{
 }
 
 func newResolver(url string, opts ...doh.Option) (madns.BasicResolver, error) {
-	if !strings.HasPrefix(url, "https://") {
-		return nil, fmt.Errorf("invalid resolver url: %s", url)
+	if !strings.HasPrefix(url, "https://") || !strings.HasPrefix(url, "http://") {
+		return nil, fmt.Errorf("invalid DoH resolver URL: %s", url)
 	}
 
 	return doh.NewResolver(url, opts...)