From ce3e818f3d7f87dc95036f487154223c0d23c321 Mon Sep 17 00:00:00 2001
From: aeneasr <3372410+aeneasr@users.noreply.github.com>
Date: Mon, 17 Jul 2023 23:37:17 +0200
Subject: [PATCH] feat(proxy): flag to keep forawrded headers

---
 proxy/proxy.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/proxy/proxy.go b/proxy/proxy.go
index 15492f86..6ac23e99 100644
--- a/proxy/proxy.go
+++ b/proxy/proxy.go
@@ -52,6 +52,9 @@ type (
 		// PathPrefix is a prefix that is prepended on the original host,
 		// but removed before forwarding.
 		PathPrefix string
+		// TrustForwardedHosts is a flag that indicates whether the proxy should trust the
+		// X-Forwarded-* headers or not.
+		TrustForwardedHeaders bool
 		// originalHost the original hostname the request is coming from.
 		// This value will be maintained internally by the proxy.
 		originalHost string
@@ -102,6 +105,10 @@ func rewriter(o *options) func(*httputil.ProxyRequest) {
 			return
 		}
 
+		if c.TrustForwardedHeaders {
+			r.SetXForwarded()
+		}
+
 		c.setScheme(r)
 		c.setHost(r)