From 354cac74a9562d58a2082a541e5bd808b694f89d Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <bradfitz@tailscale.com>
Date: Tue, 26 Mar 2024 21:21:11 -0700
Subject: [PATCH] tsweb/varz: add charset=utf-8 to varz handler

Some of our labels contain UTF-8 and get mojibaked in the browser
right now.

Updates tailscale/corp#18687

Change-Id: I6069cffd6cc8813df415f06bb308bc2fc3ab65c4
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
---
 tsweb/varz/varz.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tsweb/varz/varz.go b/tsweb/varz/varz.go
index e3e52e031..bf788674e 100644
--- a/tsweb/varz/varz.go
+++ b/tsweb/varz/varz.go
@@ -274,7 +274,7 @@ type sortedKVs struct {
 //
 // This will evolve over time, or perhaps be replaced.
 func Handler(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "text/plain; version=0.0.4")
+	w.Header().Set("Content-Type", "text/plain;version=0.0.4;charset=utf-8")
 
 	s := sortedKVsPool.Get().(*sortedKVs)
 	defer sortedKVsPool.Put(s)