From ee9f40158e0b0fdb62a7e83d475a1ecc10a17a4b Mon Sep 17 00:00:00 2001
From: Marius <marius@transloadit.com>
Date: Tue, 11 Apr 2023 13:56:10 +0200
Subject: [PATCH] core: Add Host header to hooks event

Closes https://github.com/tus/tusd/issues/935
---
 pkg/handler/unrouted_handler.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkg/handler/unrouted_handler.go b/pkg/handler/unrouted_handler.go
index e798fc1..378a18d 100644
--- a/pkg/handler/unrouted_handler.go
+++ b/pkg/handler/unrouted_handler.go
@@ -98,6 +98,12 @@ type HookEvent struct {
 }
 
 func newHookEvent(info FileInfo, r *http.Request) HookEvent {
+	// The Host header field is not present in the header map, see https://pkg.go.dev/net/http#Request:
+	// > For incoming requests, the Host header is promoted to the
+	// > Request.Host field and removed from the Header map.
+	// That's why we add it back manually.
+	r.Header.Set("Host", r.Host)
+
 	return HookEvent{
 		Upload: info,
 		HTTPRequest: HTTPRequest{