🐛 fix: Nginx Forwarded-IP 전달 설정 및 채팅 날짜 알림 로직 수정

nginx.conf

@@ -38,6 +38,10 @@ server {
         proxy_set_header Host $host;
         proxy_cache_bypass $http_upgrade;
         proxy_read_timeout 3600s;
+
+        proxy_set_header X-Real-IP $remote_addr;  # X-Real-IP 헤더로 실제 IP 전달
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;  # X-Forwarded-For 헤더로 실제 IP 전달
+        proxy_set_header X-Forwarded-Proto $scheme; # 클라이언트의 프로토콜 전달
     }
 
     # WebSocket 요청 프록시
@@ -50,5 +54,9 @@ server {
         proxy_cache_bypass $http_upgrade;
         proxy_read_timeout 3600s;
         proxy_send_timeout 3600s;
+
+        proxy_set_header X-Real-IP $remote_addr;  # X-Real-IP 헤더로 실제 IP 전달
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;  # X-Forwarded-For 헤더로 실제 IP 전달
+        proxy_set_header X-Forwarded-Proto $scheme; # 클라이언트의 프로토콜 전달
     }
 }

server/src/chat/chat.gateway.ts

@@ -103,7 +103,7 @@ export class ChatGateway implements OnGatewayConnection, OnGatewayDisconnect {
 
     if (this.dayInit) {
       this.dayInit = false;
-      this.emitMidnightMessage();
+      await this.emitMidnightMessage();
     }
 
     this.server.emit('message', broadcastPayload);

server/src/common/logger/logger.interceptor.ts

@@ -6,6 +6,7 @@ import {
 } from '@nestjs/common';
 import { finalize } from 'rxjs';
 import { WinstonLoggerService } from './logger.service';
+import { Request } from 'express';
 
 @Injectable()
 export class LoggingInterceptor implements NestInterceptor {
@@ -18,11 +19,7 @@ export class LoggingInterceptor implements NestInterceptor {
     if (!url.includes('register') && !url.includes('login')) {
       this.logger.log(
         JSON.stringify({
-          host:
-            request.headers['x-forwarded-for'] ||
-            request.headers['CF-Connecting-IP'] ||
-            request.socket?.remoteAddress ||
-            'unknown',
+          host: this.getIp(request),
           method: request.method,
           url: request.url,
           body: request.body,
@@ -39,4 +36,15 @@ export class LoggingInterceptor implements NestInterceptor {
       }),
     );
   }
+
+  private getIp(request: Request) {
+    const forwardedFor = request.headers['x-forwarded-for'];
+
+    if (typeof forwardedFor === 'string') {
+      const forwardedIps = forwardedFor.split(',');
+      return forwardedIps[0].trim();
+    }
+
+    return request.socket.remoteAddress;
+  }
 }

server/src/feed/feed.service.ts

@@ -132,11 +132,7 @@ export class FeedService {
     response: Response,
   ) {
     const cookie = request.headers.cookie;
-    const ip =
-      request.headers['CF-Connecting-IP'] ||
-      request.headers['x-forwarded-for'] ||
-      request.socket?.remoteAddress ||
-      'unknown';
+    const ip = this.getIp(request);
     if (ip && this.isString(ip)) {
       const redis = this.redisService.redisClient;
       const [feed, hasCookie, hasIpFlag] = await Promise.all([
@@ -219,4 +215,15 @@ export class FeedService {
       return dateNext.getTime() - dateCurrent.getTime();
     });
   }
+
+  private getIp(request: Request) {
+    const forwardedFor = request.headers['x-forwarded-for'];
+
+    if (typeof forwardedFor === 'string') {
+      const forwardedIps = forwardedFor.split(',');
+      return forwardedIps[0].trim();
+    }
+
+    return request.socket.remoteAddress;
+  }
 }