Ref: CookieUtil 추가 및 관련 코드 개선

Author: joyewon0705

src/main/java/com/back/domain/user/service/UserService.java

@@ -14,6 +14,7 @@
 import com.back.global.exception.ErrorCode;
 import com.back.global.security.CurrentUser;
 import com.back.global.security.JwtTokenProvider;
+import com.back.global.util.CookieUtil;
 import jakarta.servlet.http.Cookie;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
@@ -121,12 +122,13 @@ public UserResponse login(LoginRequest request, HttpServletResponse response) {
         userTokenRepository.save(userToken);
 
         // Refresh Token을 HttpOnly 쿠키로 설정
-        Cookie cookie = new Cookie("refreshToken", refreshToken);
-        cookie.setHttpOnly(true);
-        cookie.setSecure(true);
-        cookie.setPath("/api/auth/refresh");
-        cookie.setMaxAge((int) jwtTokenProvider.getRefreshTokenExpirationInSeconds());
-        response.addCookie(cookie);
+        CookieUtil.addCookie(
+                response,
+                "refreshToken",
+                refreshToken,
+                (int) jwtTokenProvider.getRefreshTokenExpirationInSeconds(),
+                "/api/auth"
+        );
 
         // Access Token을 응답 헤더에 설정
         response.setHeader("Authorization", "Bearer " + accessToken);
@@ -147,14 +149,8 @@ public void logout(HttpServletRequest request, HttpServletResponse response) {
         // DB에서 Refresh Token 삭제
         userTokenRepository.deleteByRefreshToken(refreshToken);
 
-        // TODO: 중복 코드 -> 리팩토링 필요
         // 쿠키 삭제
-        Cookie cookie = new Cookie("refreshToken", null);
-        cookie.setHttpOnly(true);
-        cookie.setSecure(true);
-        cookie.setPath("/api/auth/refresh");
-        cookie.setMaxAge(0);
-        response.addCookie(cookie);
+        CookieUtil.clearCookie(response, "refreshToken", "/api/auth");
     }
 
     /**

src/main/java/com/back/global/util/CookieUtil.java

@@ -0,0 +1,25 @@
+package com.back.global.util;
+
+import jakarta.servlet.http.Cookie;
+import jakarta.servlet.http.HttpServletResponse;
+
+public class CookieUtil {
+
+    public static void addCookie(HttpServletResponse response, String name, String value, int maxAge, String path) {
+        Cookie cookie = new Cookie(name, value);
+        cookie.setHttpOnly(true);
+        cookie.setSecure(true);
+        cookie.setPath(path);
+        cookie.setMaxAge(maxAge);
+        response.addCookie(cookie);
+    }
+
+    public static void clearCookie(HttpServletResponse response, String name, String path) {
+        Cookie cookie = new Cookie(name, null);
+        cookie.setHttpOnly(true);
+        cookie.setSecure(true);
+        cookie.setPath(path);
+        cookie.setMaxAge(0);
+        response.addCookie(cookie);
+    }
+}