From f621d88d998598f84ad049a8ac67207cb87e1bb0 Mon Sep 17 00:00:00 2001
From: Star Brilliant <m13253@hotmail.com>
Date: Thu, 16 Nov 2017 15:47:42 +0800
Subject: [PATCH] Turn requests lower case (to get rid of knot-resolver's mixed
 case)

---
 doh-client/client.go | 3 ++-
 doh-server/server.go | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/doh-client/client.go b/doh-client/client.go
index 5f95a2c..09e3c3e 100644
--- a/doh-client/client.go
+++ b/doh-client/client.go
@@ -28,6 +28,7 @@ import (
 	"net/http"
 	"net/url"
 	"strconv"
+	"strings"
 	"time"
 	"github.com/miekg/dns"
 	"../json-dns"
@@ -129,7 +130,7 @@ func (c *Client) handlerFunc(w dns.ResponseWriter, r *dns.Msg, isTCP bool) {
 		return
 	}
 	question := r.Question[0]
-	questionName := question.Name
+	questionName := strings.ToLower(question.Name)
 	questionType := ""
 	if qtype, ok := dns.TypeToString[question.Qtype]; ok {
 		questionType = qtype
diff --git a/doh-server/server.go b/doh-server/server.go
index 74547b4..2257902 100644
--- a/doh-server/server.go
+++ b/doh-server/server.go
@@ -87,6 +87,7 @@ func (s *Server) handlerFunc(w http.ResponseWriter, r *http.Request) {
 		jsonDNS.FormatError(w, "Invalid argument value: \"name\"", 400)
 		return
 	}
+	name = strings.ToLower(name)
 	if punycode, err := idna.ToASCII(name); err == nil {
 		name = punycode
 	} else {