From 1217449609050471dfb70fdf35c9a22d738e2bef Mon Sep 17 00:00:00 2001
From: Hayder <96513935+jadidbourbaki@users.noreply.github.com>
Date: Sat, 30 Mar 2024 09:24:50 -0400
Subject: [PATCH] admin: Use xxhash for etag (#6207)

---
 admin.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/admin.go b/admin.go
index 0a9bfc49..c6151d11 100644
--- a/admin.go
+++ b/admin.go
@@ -26,7 +26,6 @@ import (
 	"expvar"
 	"fmt"
 	"hash"
-	"hash/fnv"
 	"io"
 	"net"
 	"net/http"
@@ -41,6 +40,7 @@ import (
 	"time"
 
 	"github.com/caddyserver/certmagic"
+	"github.com/cespare/xxhash/v2"
 	"github.com/prometheus/client_golang/prometheus"
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
@@ -946,7 +946,7 @@ func (h adminHandler) originAllowed(origin *url.URL) bool {
 
 // etagHasher returns a the hasher we used on the config to both
 // produce and verify ETags.
-func etagHasher() hash.Hash32 { return fnv.New32a() }
+func etagHasher() hash.Hash { return xxhash.New() }
 
 // makeEtag returns an Etag header value (including quotes) for
 // the given config path and hash of contents at that path.