From d41c6f8d778bb5fe34cadd3b46c38dab4da4113b Mon Sep 17 00:00:00 2001
From: yusing <yusing.wys@gmail.com>
Date: Mon, 13 Oct 2025 07:09:17 +0800
Subject: [PATCH] fix(cookie): net/http: invalid Cookie.Domain .0.0.1:3000

---
 internal/auth/utils.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/internal/auth/utils.go b/internal/auth/utils.go
index d7d2bd53..f674b286 100644
--- a/internal/auth/utils.go
+++ b/internal/auth/utils.go
@@ -59,6 +59,17 @@ func cookieDomain(r *http.Request) string {
 		return ".local"
 	}
 
+	// if the host is an IP address, return an empty string
+	{
+		host, _, err := net.SplitHostPort(reqHost)
+		if err != nil {
+			host = reqHost
+		}
+		if net.ParseIP(host) != nil {
+			return ""
+		}
+	}
+
 	parts := strutils.SplitRune(reqHost, '.')
 	if len(parts) < 2 {
 		return ""