From 1b46d6ed49f2b3213c6d90dca5ba8046f8972c60 Mon Sep 17 00:00:00 2001
From: Mike Crute <mike@crute.us>
Date: Sun, 8 Oct 2023 20:53:49 -0700
Subject: echo: allow disabling HTTP3

---
 echo/echo_default.go | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/echo/echo_default.go b/echo/echo_default.go
index 9f7e19e..b24779b 100644
--- a/echo/echo_default.go
+++ b/echo/echo_default.go
@@ -66,6 +66,7 @@ type EchoConfig struct {
 	RedirectToWWW         bool
 	ContentSecurityPolicy *glmw.ContentSecurityPolicyConfig
 	DisablePrometheus     bool
+	DisableHttp3          bool
 	PrometheusConfig      *prometheus.PrometheusConfig
 	CORSConfig            *middleware.CORSConfig
 }
@@ -304,17 +305,19 @@ func (w *EchoWrapper) buildServers(c *EchoConfig) {
 		w.runner.AddJob(w.makeServerJob(&netHttpWrapper{s}))
 	}
 
-	for _, a := range w.AddressPortConfig.QuicBindings() {
-		q := &http3.Server{
-			Addr: a,
-			TLSConfig: http3.ConfigureTLSConfig(&tls.Config{
-				MinVersion:     tls.VersionTLS13,
-				GetCertificate: c.Autocert.GetCertificate,
-			}),
-			Handler: w,
+	if !c.DisableHttp3 {
+		for _, a := range w.AddressPortConfig.QuicBindings() {
+			q := &http3.Server{
+				Addr: a,
+				TLSConfig: http3.ConfigureTLSConfig(&tls.Config{
+					MinVersion:     tls.VersionTLS13,
+					GetCertificate: c.Autocert.GetCertificate,
+				}),
+				Handler: w,
+			}
+			w.runner.AddJob(w.makeServerJob(&http3Wrapper{q}))
+			w.Use(glmw.Http3AltSvcMiddleware(w.AddressPortConfig.QuicPort))
 		}
-		w.runner.AddJob(w.makeServerJob(&http3Wrapper{q}))
-		w.Use(glmw.Http3AltSvcMiddleware(w.AddressPortConfig.QuicPort))
 	}
 }
 
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