wip

webutil/listenandserve.go

@@ -0,0 +1,24 @@
+package webutil
+
+import (
+	"errors"
+	"net/http"
+	"strings"
+
+	"golang.org/x/crypto/acme/autocert"
+)
+
+// Serve requests using the given http.Server. If srv.Addr has the format
+// `hostname:https`, then use autocert to manage certificates for the domain.
+//
+// For http on port 80, you can use :http.
+func ListenAndServe(srv *http.Server) error {
+	if strings.HasSuffix(srv.Addr, ":https") {
+		hostname := strings.TrimSuffix(srv.Addr, ":https")
+		if len(hostname) == 0 {
+			return errors.New("https requires a hostname")
+		}
+		return srv.Serve(autocert.NewListener(hostname))
+	}
+	return srv.ListenAndServe()
+}