From bbbaaed608da3eb40e6a2b0c26c72e33dd6c2a67 Mon Sep 17 00:00:00 2001
From: GoGradually <chkun3109@gmail.com>
Date: Sat, 27 Dec 2025 18:01:21 +0900
Subject: [PATCH] =?UTF-8?q?feat:=20=EB=A1=9C=EA=B7=B8=EC=95=84=EC=9B=83=20?=
 =?UTF-8?q?=EA=B8=B0=EB=8A=A5=20=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../infrastructure/jwt/TokenCookieFactory.java   | 14 ++++++++++++--
 .../interfaces/member/MemberController.java      | 16 ++++++++++++++++
 2 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/src/main/java/me/gg/pinit/infrastructure/jwt/TokenCookieFactory.java b/src/main/java/me/gg/pinit/infrastructure/jwt/TokenCookieFactory.java
index e6313a1..2e2670c 100644
--- a/src/main/java/me/gg/pinit/infrastructure/jwt/TokenCookieFactory.java
+++ b/src/main/java/me/gg/pinit/infrastructure/jwt/TokenCookieFactory.java
@@ -17,7 +17,17 @@ public TokenCookieFactory(CookieProperties cookieProperties) {
     }
 
     public ResponseCookie refreshTokenCookie(String refreshToken) {
-        ResponseCookie.ResponseCookieBuilder builder = ResponseCookie.from("refresh_token", refreshToken)
+        return refreshTokenCookieBuilder(refreshToken).build();
+    }
+
+    public ResponseCookie deleteRefreshTokenCookie() {
+        return refreshTokenCookieBuilder("")
+                .maxAge(0)
+                .build();
+    }
+
+    private ResponseCookie.ResponseCookieBuilder refreshTokenCookieBuilder(String value) {
+        ResponseCookie.ResponseCookieBuilder builder = ResponseCookie.from("refresh_token", value)
                 .httpOnly(true)
                 .path("/")
                 .secure(cookieProperties.isSecure());
@@ -29,6 +39,6 @@ public ResponseCookie refreshTokenCookie(String refreshToken) {
             builder.sameSite(cookieProperties.getSameSite());
         }
 
-        return builder.build();
+        return builder;
     }
 }
diff --git a/src/main/java/me/gg/pinit/interfaces/member/MemberController.java b/src/main/java/me/gg/pinit/interfaces/member/MemberController.java
index 8734e75..c4c2fc5 100644
--- a/src/main/java/me/gg/pinit/interfaces/member/MemberController.java
+++ b/src/main/java/me/gg/pinit/interfaces/member/MemberController.java
@@ -17,6 +17,7 @@
 import me.gg.pinit.interfaces.member.dto.LoginResponse;
 import me.gg.pinit.interfaces.member.dto.SignupRequest;
 import org.springframework.http.HttpHeaders;
+import org.springframework.http.ResponseCookie;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -109,6 +110,21 @@ public ResponseEntity<LoginResponse> refresh(HttpServletRequest request) {
                 .body(new LoginResponse(newAccessToken));
     }
 
+    @PostMapping("/logout")
+    @Operation(
+            summary = "로그아웃",
+            description = "refresh_token 쿠키를 만료시켜 로그아웃 처리합니다."
+    )
+    @ApiResponses({
+            @ApiResponse(responseCode = "200", description = "로그아웃 성공")
+    })
+    public ResponseEntity<Void> logout() {
+        ResponseCookie expiredCookie = tokenCookieFactory.deleteRefreshTokenCookie();
+        return ResponseEntity.ok()
+                .header(HttpHeaders.SET_COOKIE, expiredCookie.toString())
+                .build();
+    }
+
     @GetMapping("/me")
     @Operation(
             summary = "로그인 확인",