#34 [Update] 로그아웃 기능 구현 완료

서버에서 refresh token을 지워줌으로써 Access token을 재발급받지 못하게 하고, 프론트에서 Access token을 삭제해주면 로그아웃 완료

src/main/java/com/mpnp/baechelin/user/controller/UserController.java

@@ -1,13 +1,15 @@
 package com.mpnp.baechelin.user.controller;
 
-import com.mpnp.baechelin.login.oauth.common.AuthResponse;
 import com.mpnp.baechelin.user.service.UserService;
-import io.swagger.annotations.ApiOperation;
+import com.mpnp.baechelin.util.CookieUtil;
 import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
-import org.springframework.security.core.annotation.AuthenticationPrincipal;
-import org.springframework.security.core.userdetails.User;
-import org.springframework.web.bind.annotation.*;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 
 @RestController
 @RequestMapping("/user")
@@ -17,7 +19,8 @@ public class UserController {
     private final UserService userService;
 
     @RequestMapping("/logout")
-    public ResponseEntity<String> logout(@AuthenticationPrincipal User user) {
-        return null;
+    public ResponseEntity<String> logout(HttpServletRequest request, HttpServletResponse response) {
+        CookieUtil.deleteCookie(request, response, "refresh_token");
+        return new ResponseEntity<>("로그아웃 완료", HttpStatus.OK);
     }
 }