From 57a4fa54eb858dd8ffc89cac244a3db6ee61d723 Mon Sep 17 00:00:00 2001
From: ljpark <ljparkmindone@gmail.com>
Date: Mon, 27 Oct 2025 09:45:26 +0900
Subject: [PATCH] fo 443,443

---
 apps/fo/middleware.ts | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/apps/fo/middleware.ts b/apps/fo/middleware.ts
index cca7ecd22..320f7ee2f 100644
--- a/apps/fo/middleware.ts
+++ b/apps/fo/middleware.ts
@@ -33,9 +33,20 @@ function buildAuthHeaders(req: NextRequest): Headers {
 
 /** 공통: rewrite 응답 생성 (헤더 주입 여부 선택) */
 function rewriteWith(url: string, req: NextRequest, withAuth = false): NextResponse {
-  return withAuth
-    ? NextResponse.rewrite(new URL(url), { headers: buildAuthHeaders(req) })
-    : NextResponse.rewrite(new URL(url));
+
+  const headers = withAuth ? buildAuthHeaders(req) : new Headers(req.headers);
+
+  if (url.indexOf("/operation-service") !== -1) {
+    // x-forwarded- 로 시작하는 헤더의 첫 번째 값만 남김
+    for (const [key, value] of headers.entries()) {
+      if (key.startsWith('x-forwarded-') && value.includes(',')) {
+        const first = (value?.split(',')[0] || '').trim();
+        headers.set(key, first);
+      }
+    }
+  }
+
+  return NextResponse.rewrite(new URL(url), { headers });
 }
 
 export function middleware(req: NextRequest) {