[refactor] 로그아웃 시 세션 정보 삭제 기능 추가

src/main/java/com/back/domain/myhistory/dto/MyHistoryPostItemDto.java

@@ -2,33 +2,49 @@
 
 import com.back.domain.post.post.entity.Post;
 import com.back.domain.post.post.entity.PostImage;
-import java.util.List;
+import com.back.domain.post.post.enums.PostStatus;
 import lombok.Builder;
 import lombok.Getter;
 
 import java.time.LocalDateTime;
+import java.util.List;
 
 @Getter
 @Builder
 public class MyHistoryPostItemDto {
     private Long id;
+    private Long postId;
+    private String categoryName;
+    private String userNickName;
     private String title;
+    private String content;
     private List<String> imageUrls;
     private LocalDateTime createdAt;
+    private LocalDateTime updatedAt;
+    private PostStatus status;
     private Integer likeCount;
     private Integer commentCount;
+    private Integer viewCount;
 
     public static MyHistoryPostItemDto from(Post p) {
+        String categoryName = p.getCategory() != null ? p.getCategory().getName() : null;
+        String userNickName = p.getUser() != null ? p.getUser().getNickname() : null;
         return MyHistoryPostItemDto.builder()
                 .id(p.getId())
+                .postId(p.getId())
+                .categoryName(categoryName)
+                .userNickName(userNickName)
                 .title(p.getTitle())
+                .content(p.getContent())
                 .imageUrls(p.getImages().stream()
-                    .map(PostImage::getUrl)
-                    .toList())
+                        .map(PostImage::getUrl)
+                        .toList())
                 .createdAt(p.getCreatedAt())
+                .updatedAt(p.getUpdatedAt())
+                .status(p.getStatus())
                 .likeCount(p.getLikeCount())
                 .commentCount(p.getCommentCount())
+                .viewCount(p.getViewCount())
                 .build();
     }
 }
-

src/main/java/com/back/domain/post/comment/repository/CommentRepository.java

@@ -2,10 +2,11 @@
 
 import com.back.domain.post.comment.entity.Comment;
 import com.back.domain.post.comment.enums.CommentStatus;
-import java.util.List;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
+import java.util.List;
+
 @Repository
 public interface CommentRepository extends JpaRepository<Comment, Long> {
 

src/main/java/com/back/domain/post/post/controller/PostController.java

@@ -3,6 +3,7 @@
 import com.back.domain.post.post.dto.request.PostCreateRequestDto;
 import com.back.domain.post.post.dto.request.PostSortScrollRequestDto;
 import com.back.domain.post.post.dto.request.PostUpdateRequestDto;
+import com.back.domain.post.post.dto.response.PostLikeResponseDto;
 import com.back.domain.post.post.dto.response.PostResponseDto;
 import com.back.domain.post.post.service.PostService;
 import com.back.global.rsData.RsData;
@@ -114,10 +115,9 @@ public RsData<Void> deletePost(
    */
   @PostMapping("/{postId}/like")
   @Operation(summary = "게시글 추천")
-  public RsData<Void> toggleLike(
+  public RsData<PostLikeResponseDto> toggleLike(
       @PathVariable Long postId
   ) {
-    postService.toggleLike(postId);
-    return RsData.successOf(null); // code=200, message="success"
+    return RsData.successOf(postService.toggleLike(postId)); // code=200, message="success"
   }
 }

src/main/java/com/back/domain/post/post/dto/response/PostLikeResponseDto.java

@@ -0,0 +1,15 @@
+package com.back.domain.post.post.dto.response;
+
+import com.back.domain.post.post.entity.PostLike;
+import com.back.domain.post.post.enums.PostLikeStatus;
+
+public record PostLikeResponseDto(
+    PostLikeStatus status
+) {
+
+  public PostLikeResponseDto(PostLike postLike) {
+    this(
+        postLike.getStatus()
+    );
+  }
+}

src/main/java/com/back/domain/post/post/service/PostService.java

@@ -7,6 +7,7 @@
 import com.back.domain.post.post.dto.request.PostCreateRequestDto;
 import com.back.domain.post.post.dto.request.PostSortScrollRequestDto;
 import com.back.domain.post.post.dto.request.PostUpdateRequestDto;
+import com.back.domain.post.post.dto.response.PostLikeResponseDto;
 import com.back.domain.post.post.dto.response.PostResponseDto;
 import com.back.domain.post.post.entity.Post;
 import com.back.domain.post.post.entity.PostImage;
@@ -233,7 +234,7 @@ public void deletePost(Long postId) {
 
   // 게시글 추천(좋아요) 토글 로직
   @Transactional
-  public void toggleLike(Long postId) {
+  public PostLikeResponseDto toggleLike(Long postId) {
     User user = rq.getActor(); // 현재 로그인한 사용자
 
     Post post = postRepository.findById(postId)
@@ -248,6 +249,8 @@ public void toggleLike(Long postId) {
       post.decreaseLikeCount();
       // 활동 점수: 추천 취소 시 -0.1
       abvScoreService.revokeForLike(user.getId());
+
+      return new PostLikeResponseDto(existingLike.get().getStatus());
     } else {
       // 추천 추가
       PostLike postLike = PostLike.builder()
@@ -259,15 +262,17 @@ public void toggleLike(Long postId) {
       post.increaseLikeCount();
       // 활동 점수: 추천 추가 시 +0.1
       abvScoreService.awardForLike(user.getId());
-    }
 
-    // 게시글 작성자에게 알림 전송
-    notificationService.sendNotification(
-        post.getUser(),
-        post,
-        NotificationType.LIKE,
-        user.getNickname() + " 님이 추천을 남겼습니다."
-    );
+      // 게시글 작성자에게 알림 전송
+      notificationService.sendNotification(
+          post.getUser(),
+          post,
+          NotificationType.LIKE,
+          user.getNickname() + " 님이 추천을 남겼습니다."
+      );
+
+      return new PostLikeResponseDto(postLike.getStatus());
+    }
   }
 
   // 태그 추가 메서드

src/main/java/com/back/domain/user/controller/UserAuthController.java

@@ -1,6 +1,7 @@
 package com.back.domain.user.controller;
 
 import com.back.domain.user.dto.RefreshTokenResDto;
+import com.back.domain.user.dto.UserMeResDto;
 import com.back.domain.user.service.UserAuthService;
 import com.back.global.rsData.RsData;
 import io.swagger.v3.oas.annotations.Operation;
@@ -11,6 +12,7 @@
 import jakarta.servlet.http.HttpServletResponse;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
@@ -50,4 +52,16 @@ public RsData<Void> logout(HttpServletRequest request, HttpServletResponse respo
         userAuthService.logout(request, response);
         return RsData.of(200, "로그아웃되었습니다.");
     }
+
+    @Operation(summary = "현재 로그인한 유저 정보 조회", description = "세션 유효성 검증 및 사용자 정보 반환")
+    @ApiResponses(value = {
+            @ApiResponse(responseCode = "200", description = "인증된 유저 정보 반환 성공"),
+            @ApiResponse(responseCode = "401", description = "인증되지 않은 사용자"),
+            @ApiResponse(responseCode = "500", description = "서버 내부 오류")
+    })
+    @GetMapping("/me")
+    public RsData<UserMeResDto> getCurrentUser() {
+        UserMeResDto userInfo = userAuthService.getCurrentUser();
+        return RsData.of(200, "인증된 유저 정보 반환 성공", userInfo);
+    }
 }

src/main/java/com/back/domain/user/dto/UserMeResDto.java

@@ -0,0 +1,28 @@
+package com.back.domain.user.dto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+public class UserMeResDto {
+    @JsonProperty("user")
+    private final UserInfo user;
+
+    @Getter
+    @Builder
+    public static class UserInfo {
+        private final String id;
+        private final String email;
+        private final String nickname;
+
+        @JsonProperty("is_first_login")
+        private final Boolean isFirstLogin;
+
+        @JsonProperty("abv_degree")
+        private final Double abvDegree;
+
+        private final String provider;
+    }
+}

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

@@ -1,13 +1,15 @@
 package com.back.domain.user.service;
 
 import com.back.domain.user.dto.RefreshTokenResDto;
+import com.back.domain.user.dto.UserMeResDto;
 import com.back.domain.user.entity.User;
 import com.back.domain.user.repository.UserRepository;
 import com.back.global.exception.ServiceException;
 import com.back.global.jwt.JwtUtil;
 import com.back.global.jwt.refreshToken.entity.RefreshToken;
 import com.back.global.jwt.refreshToken.repository.RefreshTokenRepository;
 import com.back.global.jwt.refreshToken.service.RefreshTokenService;
+import com.back.global.rq.Rq;
 import com.back.global.rsData.RsData;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
@@ -20,6 +22,8 @@
 import java.util.Optional;
 import java.util.Set;
 
+import static org.springframework.security.core.context.SecurityContextHolder.*;
+
 @Slf4j
 @Service
 @RequiredArgsConstructor
@@ -76,6 +80,7 @@ public class UserAuthService {
     private final UserRepository userRepository;
     private final RefreshTokenService refreshTokenService;
     private final RefreshTokenRepository refreshTokenRepository;
+    private final Rq rq;
 
     //OAuth 관련
 
@@ -196,19 +201,81 @@ public RefreshTokenResDto refreshTokens(HttpServletRequest request, HttpServletR
 
     //토큰 끊기면서 OAuth 자동 로그아웃
     public void logout(HttpServletRequest request, HttpServletResponse response) {
+        // 1. RefreshToken DB에서 삭제
         String refreshToken = jwtUtil.getRefreshTokenFromCookie(request);
-
         if (refreshToken != null) {
             refreshTokenService.revokeToken(refreshToken);
         }
 
+        // 2. JWT 쿠키 삭제
         jwtUtil.removeAccessTokenCookie(response);
         jwtUtil.removeRefreshTokenCookie(response);
+
+        // 3. Spring Security 세션 무효화 (Redis 포함)
+        try {
+            if (request.getSession(false) != null) {
+                request.getSession().invalidate();
+                log.debug("세션 무효화");
+            }
+        } catch (IllegalStateException e) {
+            log.debug("세션이 이미 무효화되어 있음");
+        }
+
+        // 4. SecurityContext 클리어
+        clearContext();
+
+        log.info("로그아웃 완료 - JWT, 세션, SecurityContext 모두 정리됨");
     }
 
     @Transactional
     public void setFirstLoginFalse(Long id) {
         Optional<User> userOpt = userRepository.findById(id);
         userOpt.ifPresent(user -> user.setFirstLogin(false));
     }
+
+    // 현재 로그인한 사용자 정보 조회 (세션 검증용)
+    public UserMeResDto getCurrentUser() {
+        try {
+            User actor = rq.getActor();
+
+            if (actor == null) {
+                log.debug("인증되지 않은 사용자");
+                throw new ServiceException(401, "인증되지 않은 사용자");
+            }
+
+            Optional<User> userOpt = userRepository.findById(actor.getId());
+            if (userOpt.isEmpty()) {
+                log.warn("사용자 ID {}를 DB에서 찾을 수 없음 (토큰은 유효하나 사용자 삭제됨)", actor.getId());
+                throw new ServiceException(401, "인증되지 않은 사용자");
+            }
+
+            User user = userOpt.get();
+            String provider = extractProvider(user.getOauthId());
+
+            return UserMeResDto.builder()
+                    .user(UserMeResDto.UserInfo.builder()
+                            .id(user.getId().toString())
+                            .email(user.getEmail())
+                            .nickname(user.getNickname())
+                            .isFirstLogin(user.isFirstLogin())
+                            .abvDegree(user.getAbvDegree())
+                            .provider(provider)
+                            .build())
+                    .build();
+
+        } catch (ServiceException e) {
+            throw e;
+        } catch (Exception e) {
+            log.error("사용자 정보 조회 중 서버 오류 발생: {}", e.getMessage(), e);
+            throw new ServiceException(500, "서버 내부 오류");
+        }
+    }
+
+    private String extractProvider(String oauthId) {
+        if (oauthId == null || oauthId.isBlank()) {
+            return "unknown";
+        }
+        String[] parts = oauthId.split("_", 2);
+        return parts.length > 0 ? parts[0] : "unknown";
+    }
 }

src/main/java/com/back/global/jwt/refreshToken/entity/RefreshToken.java

@@ -2,10 +2,13 @@
 
 import jakarta.persistence.*;
 import lombok.*;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
 
 import java.time.LocalDateTime;
 
 @Entity
+@EntityListeners(AuditingEntityListener.class)
 @Table(name = "refresh_tokens")
 @Getter
 @Setter
@@ -20,24 +23,33 @@ public class RefreshToken {
     @Column(nullable = false)
     private Long userId;
 
-    @Column(nullable = false)
+    @CreatedDate
+    @Column(nullable = false, updatable = false)
     private LocalDateTime createdAt;
 
     @Column(nullable = false)
     private LocalDateTime expiresAt;
 
+    @Column(nullable = false)
+    private LocalDateTime lastUsedAt;
 
     public static RefreshToken create(String token, Long userId, long ttlSeconds) {
         LocalDateTime now = LocalDateTime.now();
         return RefreshToken.builder()
                 .token(token)
                 .userId(userId)
-                .createdAt(now)
+                .lastUsedAt(now)
                 .expiresAt(now.plusSeconds(ttlSeconds))
                 .build();
     }
 
     public boolean isExpired() {
         return LocalDateTime.now().isAfter(this.expiresAt);
     }
+
+    public boolean isIdleExpired(long idleTimeoutHours) {
+        return LocalDateTime.now().isAfter(this.lastUsedAt.plusMinutes(idleTimeoutHours));
+
+    }
+
 }