From 50d41cb7ae3d95ba5f1a10f35a5965d76f00255a Mon Sep 17 00:00:00 2001
From: yuyx <237899745@qq.com>
Date: Thu, 19 Feb 2026 19:08:12 +0800
Subject: [PATCH] fix: restore login by defining getClientIp helper

---
 backend/server.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/backend/server.js b/backend/server.js
index e571d69..f8deaf3 100644
--- a/backend/server.js
+++ b/backend/server.js
@@ -2852,6 +2852,15 @@ function normalizeClientIp(rawIp) {
   return ip;
 }
 
+function getClientIp(req) {
+  return normalizeClientIp(
+    req?.ip
+      || req?.socket?.remoteAddress
+      || req?.connection?.remoteAddress
+      || ''
+  );
+}
+
 function parseShareIpWhitelist(rawValue) {
   if (typeof rawValue !== 'string') return [];
   return rawValue