Merge pull request #116 from SenseUnit/h2c_server

Enable h2c server support

Author: Snawoot

README.md

@@ -23,7 +23,7 @@ Simple, scriptable, secure forward proxy.
     * Optional local in-memory inner cache
     * Optional AEAD encryption layer for cache
 * Per-user bandwidth limits
-* HTTP/2 support
+* HTTP/2 support, both server and client, including h2c support
 * Optional DNS cache
 * Resilient to DPI (including active probing, see `hidden_domain` option for authentication providers)
 * Connecting via upstream HTTP(S)/SOCKS5 proxies (proxy chaining)

main.go

@@ -486,11 +486,17 @@ func run() int {
 		ReadHeaderTimeout: args.reqHeaderTimeout,
 		WriteTimeout:      0,
 		IdleTimeout:       0,
+		Protocols:         new(http.Protocols),
 	}
 
 	// listener setup
 	if args.disableHTTP2 {
 		server.TLSNextProto = make(map[string]func(*http.Server, *tls.Conn, http.Handler))
+		server.Protocols.SetHTTP1(true)
+	} else {
+		server.Protocols.SetHTTP1(true)
+		server.Protocols.SetHTTP2(true)
+		server.Protocols.SetUnencryptedHTTP2(true)
 	}
 
 	mainLogger.Info("Starting proxy server...")