From fb8e955f640a16b254d4d305393002875ce4c814 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EC=B0=AC=EA=B8=B0?= <limchangi@naver.com>
Date: Sun, 8 Sep 2024 11:47:16 +0900
Subject: [PATCH] fix: get appropriate client ip from nginx proxy using headers

---
 src/visitor/service/visitor.service.ts | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/visitor/service/visitor.service.ts b/src/visitor/service/visitor.service.ts
index 43f1abc..d013cf3 100644
--- a/src/visitor/service/visitor.service.ts
+++ b/src/visitor/service/visitor.service.ts
@@ -18,8 +18,12 @@ export class VisitorService {
     const result: VisitorCountUpResponseDto = { Status: 'fail' };
     try {
       const ip = req.ip;
+      const realIp = req.headers['x-real-ip'] as string;
+      const forwardedFor = req.headers['x-forwarded-for'] as string;
+
+      const clientIp = realIp || forwardedFor || ip;
       const userAgent = req.get('user-agent');
-      const uniqueUserInfo = `visitor-${userAgent}${ip}`;
+      const uniqueUserInfo = `visitor-${userAgent}${clientIp}`;
 
       await this.cacheManager.set(uniqueUserInfo, 'visited', 24 * 60 * 60);
 
@@ -41,7 +45,6 @@ export class VisitorService {
       const allVisitors = allKeys.filter((key: string) =>
         key.includes('visitor-'),
       );
-      console.log(allVisitors);
 
       result.Count = allVisitors.length;
     } catch (err) {