From 872b1db63a75f95ce180abb5a2b1def7fe395a7a Mon Sep 17 00:00:00 2001
From: Roland Kammerer <dev.rck@gmail.com>
Date: Thu, 6 Jul 2017 18:48:04 +0200
Subject: [PATCH] disable http/2

Looks like the simplepush.io server does not speak http/2 (which is the
default in more "recent" golang versions).
---
 simplepush.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/simplepush.go b/simplepush.go
index 10c9150..d51bf00 100644
--- a/simplepush.go
+++ b/simplepush.go
@@ -7,6 +7,7 @@ import (
 	"crypto/cipher"
 	"crypto/rand"
 	"crypto/sha1"
+	"crypto/tls"
 	"encoding/base64"
 	"encoding/hex"
 	"errors"
@@ -112,7 +113,10 @@ func Send(m Message) error {
 	u.Path = resource
 	urlStr := fmt.Sprintf("%v", u)
 
-	client := &http.Client{}
+	tr := &http.Transport{
+		TLSNextProto: make(map[string]func(string, *tls.Conn) http.RoundTripper),
+	}
+	client := &http.Client{Transport: tr}
 
 	resp, err := client.PostForm(urlStr, data)
 	if err != nil {