Nothing special here - set the ability to set a virtual scheme for the server, used inside global tmpl helper funcs

config/server.go

@@ -86,6 +86,11 @@ type Server struct {
 	//
 	// Default is empty ""
 	VListeningAddr string
+	// VScheme if setted to not empty value then all template's helper funcs prepends that as the url scheme instead of the real scheme
+	// server's .Scheme returns VScheme if  not empty && differs from real scheme
+	//
+	// Default is empty ""
+	VScheme string
 	// Name the server's name, defaults to "iris".
 	// You're free to change it, but I will trust you to don't, this is the only setting whose somebody, like me, can see if iris web framework is used
 	Name string
@@ -133,6 +138,7 @@ func DefaultServer() Server {
 		RedirectTo:         "",
 		Virtual:            false,
 		VListeningAddr:     "",
+		VScheme:            "",
 	}
 }
 

http.go

@@ -333,6 +333,13 @@ func (s *Server) Scheme() string {
 	if s.IsSecure() || (s.Config.CertFile != "" && s.Config.KeyFile != "") {
 		scheme = "https://"
 	}
+	// but if virtual scheme is setted and it differs from the real scheme, return the vscheme
+	// the developer should set it correctly, http:// or https:// or anything at the future:P
+	vscheme := s.Config.VScheme
+	if len(vscheme) > 0 && vscheme != scheme {
+		return vscheme
+	}
+
 	return scheme
 }
 

iris.go

@@ -798,10 +798,7 @@ func (s *Framework) URL(routeName string, args ...interface{}) (url string) {
 		return
 	}
 	srv := s.Servers.Main()
-	scheme := "http://"
-	if srv.IsSecure() {
-		scheme = "https://"
-	}
+	scheme := s.Servers.Main().Scheme()
 
 	host := srv.Host()
 	arguments := args[0:]