From 1b944bf1c4c321b165a409043ce783baed787b2d Mon Sep 17 00:00:00 2001
From: fanste <mails@ist-einmalig.de>
Date: Thu, 7 Mar 2019 18:09:17 +0100
Subject: [PATCH] Add replacement variable "hostonly"

Could be useful in combination with reverse proxy to replace the host dynamically but let the port be static
---
 ruleReplaceAction.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/ruleReplaceAction.go b/ruleReplaceAction.go
index c6a6f93..3d49d2e 100644
--- a/ruleReplaceAction.go
+++ b/ruleReplaceAction.go
@@ -9,6 +9,7 @@ import (
 	"strconv"
 	"strings"
 	"time"
+	"net"
 )
 
 var paramReplacementPattern = regexp.MustCompile("\\{[a-zA-Z0-9_\\-.]+}")
@@ -87,6 +88,12 @@ func (instance *ruleReplaceAction) contextRequestValueBy(name string) (string, b
 		return request.Method, true
 	case "host":
 		return request.Host, true
+	case "hostonly":
+		host, _, err := net.SplitHostPort(request.Host)
+		if err != nil {
+			return request.Host, true
+		}
+		return host, true
 	case "proto":
 		return request.Proto, true
 	case "remoteAddress":