Make https optional.

galene.go

@@ -24,6 +24,8 @@ func main() {
 		"web server root `directory`")
 	flag.StringVar(&webserver.Redirect, "redirect", "",
 		"redirect to canonical `host`")
+	flag.BoolVar(&webserver.Insecure, "insecure", false,
+		"act as an HTTP server rather than HTTPS")
 	flag.StringVar(&dataDir, "data", "./data/",
 		"data `directory`")
 	flag.StringVar(&group.Directory, "groups", "./groups/",

webserver/webserver.go

@@ -33,6 +33,8 @@ var StaticRoot string
 
 var Redirect string
 
+var Insecure bool
+
 func Serve(address string, dataDir string) error {
 	http.Handle("/", &fileHandler{http.Dir(StaticRoot)})
 	http.HandleFunc("/group/", groupHandler)
@@ -68,10 +70,17 @@ func Serve(address string, dataDir string) error {
 
 	server.Store(s)
 
-	err := s.ListenAndServeTLS(
+	var err error
+
+	if !Insecure {
+		err = s.ListenAndServeTLS(
 			filepath.Join(dataDir, "cert.pem"),
 			filepath.Join(dataDir, "key.pem"),
 		)
+	} else {
+		err = s.ListenAndServe()
+	}
+
 	if err == http.ErrServerClosed {
 		return nil
 	}