fix: 탈퇴 후 로그인 불가 처리

src/main/java/com/recipe/app/src/common/config/JwtFilter.java

@@ -35,10 +35,14 @@ public void doFilter(ServletRequest request, ServletResponse response, FilterCha
         if (!StringUtils.hasText(accessToken)) {
             logger.info("필수 토큰이 없습니다., uri: {}", requestURI);
         } else if (jwtUtil.isValidAccessToken(accessToken)) {
-            UserDetails userDetails = userDetailsService.loadUserByUsername(String.valueOf(jwtUtil.getUserId(accessToken)));
-            Authentication authentication = new UsernamePasswordAuthenticationToken(userDetails, "", userDetails.getAuthorities());
-            SecurityContextHolder.getContext().setAuthentication(authentication);
-            logger.info("Security context에 인증 정보를 저장했습니다, uri: {}", requestURI);
+            try {
+                UserDetails userDetails = userDetailsService.loadUserByUsername(String.valueOf(jwtUtil.getUserId(accessToken)));
+                Authentication authentication = new UsernamePasswordAuthenticationToken(userDetails, "", userDetails.getAuthorities());
+                SecurityContextHolder.getContext().setAuthentication(authentication);
+                logger.info("Security context에 인증 정보를 저장했습니다, uri: {}", requestURI);
+            } catch (Exception e) {
+                logger.info("사용자 인증에 실패했습니다. {}, uri: {}", e.getMessage(), requestURI);
+            }
         } else {
             logger.info("유효한 Jwt 토큰이 없습니다, uri: {}", requestURI);
         }

src/main/java/com/recipe/app/src/user/application/CustomUserDetailsService.java

@@ -1,6 +1,7 @@
 package com.recipe.app.src.user.application;
 
 import com.recipe.app.src.user.domain.SecurityUser;
+import com.recipe.app.src.user.domain.User;
 import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.security.core.userdetails.UserDetailsService;
 import org.springframework.security.core.userdetails.UsernameNotFoundException;
@@ -20,6 +21,13 @@ public CustomUserDetailsService(UserService userService) {
     @Transactional(readOnly = true)
     @Override
     public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
-        return new SecurityUser(userService.findByUserId(Long.parseLong(username)));
+
+        User user = userService.findByUserId(Long.parseLong(username));
+
+        if (user.isDeleted()) {
+            throw new UsernameNotFoundException("탈퇴한 사용자입니다.");
+        }
+
+        return new SecurityUser(user);
     }
 }

src/main/java/com/recipe/app/src/user/application/UserService.java

@@ -171,6 +171,11 @@ public UserTokenRefreshResponse reissueToken(UserTokenRefreshRequest request) {
             throw new UserTokenNotExistException();
         }
 
+        User user = findByUserId(request.getUserId());
+        if (user.isDeleted()) {
+            throw new UserTokenNotExistException();
+        }
+
         return UserTokenRefreshResponse.builder()
                 .userId(request.getUserId())
                 .accessToken(jwtUtil.createAccessToken(request.getUserId()))

src/main/java/com/recipe/app/src/user/domain/UserWithdrawal.java

@@ -27,7 +27,7 @@ public class UserWithdrawal {
     @Column(name = "userId", nullable = false)
     private Long userId;
 
-    @Column(name = "withdrawalReason", length = 200)
+    @Column(name = "withdrawalReason")
     private String withdrawalReason;
 
     @Column(name = "createdAt", nullable = false, updatable = false)

src/test/groovy/com/recipe/app/src/user/application/UserServiceTest.groovy

@@ -420,12 +420,19 @@ class UserServiceTest extends Specification {
     def "토큰 재발급"() {
 
         given:
+        User user = User.builder()
+                .userId(1)
+                .socialId("naver_1")
+                .nickname("테스터1")
+                .build()
+
         UserTokenRefreshRequest request = UserTokenRefreshRequest.builder()
                 .userId(1)
                 .refreshToken("refresh_token")
                 .build()
 
         jwtUtil.isValidRefreshToken(request.refreshToken) >> true
+        userRepository.findById(request.userId) >> Optional.of(user)
 
         String accessToken = "new_access_token"
         String refreshToken = "new_refresh_token"
@@ -458,4 +465,30 @@ class UserServiceTest extends Specification {
         def e = thrown(UserTokenNotExistException.class)
         e.message == "유효하지 않은 JWT입니다."
     }
+
+    def "토큰 재발급 시 탈퇴한 사용자이면 예외 발생"() {
+
+        given:
+        User user = User.builder()
+                .userId(1)
+                .socialId("naver_1")
+                .nickname("테스터1")
+                .build()
+        user.markAsDeleted()
+
+        UserTokenRefreshRequest request = UserTokenRefreshRequest.builder()
+                .userId(1)
+                .refreshToken("refresh_token")
+                .build()
+
+        jwtUtil.isValidRefreshToken(request.refreshToken) >> true
+        userRepository.findById(request.userId) >> Optional.of(user)
+
+        when:
+        userService.reissueToken(request)
+
+        then:
+        def e = thrown(UserTokenNotExistException.class)
+        e.message == "유효하지 않은 JWT입니다."
+    }
 }