Add an option to enable XForwarded headers

app/cmd/server.go

@@ -238,9 +238,10 @@ type serverConfigMasqueradeFile struct {
 }
 
 type serverConfigMasqueradeProxy struct {
-	URL         string `mapstructure:"url"`
-	RewriteHost bool   `mapstructure:"rewriteHost"`
-	Insecure    bool   `mapstructure:"insecure"`
+	URL                     string `mapstructure:"url"`
+	RewriteHost             bool   `mapstructure:"rewriteHost"`
+	EnableXForwardedHeaders bool   `mapstructure:"enableXForwardedHeaders"`
+	Insecure                bool   `mapstructure:"insecure"`
 }
 
 type serverConfigMasqueradeString struct {
@@ -852,6 +853,9 @@ func (c *serverConfig) fillMasqHandler(hyConfig *server.Config) error {
 				if !c.Masquerade.Proxy.RewriteHost {
 					r.Out.Host = r.In.Host
 				}
+				if c.Masquerade.Proxy.EnableXForwardedHeaders {
+					r.SetXForwarded()
+				}
 			},
 			Transport: transport,
 			ErrorHandler: func(w http.ResponseWriter, r *http.Request, err error) {

app/cmd/server_test.go

@@ -170,9 +170,10 @@ func TestServerConfig(t *testing.T) {
 				Dir: "/www/masq",
 			},
 			Proxy: serverConfigMasqueradeProxy{
-				URL:         "https://some.site.net",
-				RewriteHost: true,
-				Insecure:    true,
+				URL:                     "https://some.site.net",
+				RewriteHost:             true,
+				EnableXForwardedHeaders: true,
+				Insecure:                true,
 			},
 			String: serverConfigMasqueradeString{
 				Content: "aint nothin here",

app/cmd/server_test.yaml

@@ -133,6 +133,7 @@ masquerade:
   proxy:
     url: https://some.site.net
     rewriteHost: true
+    enableXForwardedHeaders: true
     insecure: true
   string:
     content: aint nothin here