[API 응답 개선] ApiResponseCode에 COMMON_TARGET_NOT_FOUND 추가 및 CommonCodeServiceImpl에서 예외 처리 메시지 수정. JwtTokenIssuanceFilter와 JwtTokenValidationFilter에서 Refresh Token 생성 시 클라이언트 IP 정보 포함. JwtUtils에서 토큰 생성 메서드 개선 및 불필요한 코드 제거.

src/main/java/com/bio/bio_backend/domain/admin/common_code/service/CommonCodeServiceImpl.java

@@ -46,7 +46,7 @@ public class CommonCodeServiceImpl implements CommonCodeService {
     @Transactional
     public void updateGroupCode(String code, CommonGroupCodeDto groupCodeDto) {
         CommonGroupCode existingGroupCode = commonGroupCodeRepository.findByCode(code)
-            .orElseThrow(() -> new ApiException(ApiResponseCode.COMMON_NOT_FOUND, "그룹 코드를 찾을 수 없습니다: " + code));
+            .orElseThrow(() -> new ApiException(ApiResponseCode.COMMON_TARGET_NOT_FOUND, "그룹 코드를 찾을 수 없습니다: " + code));
         
         commonGroupCodeMapper.updateCommonGroupCodeFromDto(groupCodeDto, existingGroupCode);
         commonGroupCodeRepository.save(existingGroupCode);

src/main/java/com/bio/bio_backend/global/constants/ApiResponseCode.java

@@ -33,6 +33,7 @@ public enum ApiResponseCode {
 
     // 404 Not Found
     COMMON_NOT_FOUND(HttpStatus.NOT_FOUND.value(), "리소스를 찾을 수 없습니다"),
+    COMMON_TARGET_NOT_FOUND(HttpStatus.NOT_FOUND.value(), "대상을 찾을 수 없습니다"),
 
     // 405 Method Not Allowed
     COMMON_METHOD_NOT_ALLOWED(HttpStatus.METHOD_NOT_ALLOWED.value(), "허용되지 않는 메소드입니다"),

src/main/java/com/bio/bio_backend/global/filter/JwtTokenIssuanceFilter.java

@@ -65,7 +65,7 @@ public class JwtTokenIssuanceFilter extends UsernamePasswordAuthenticationFilter
         
         // 토큰 생성
         String accessToken = jwtUtils.createAccessToken(member.getUserId(), member.getRole().getValue());
-        String refreshToken = jwtUtils.createRefreshToken(member.getUserId(), member.getRole().getValue());
+        String refreshToken = jwtUtils.createRefreshToken(member.getUserId(), member.getRole().getValue(), httpUtils.getClientIp());
         
         member.setRefreshToken(refreshToken);
         member.setLoginIp(httpUtils.getClientIp());

src/main/java/com/bio/bio_backend/global/filter/JwtTokenValidationFilter.java

@@ -3,6 +3,7 @@ package com.bio.bio_backend.global.filter;
 import java.io.IOException;
 import java.util.Objects;
 
+import com.bio.bio_backend.global.utils.HttpUtils;
 import org.springframework.core.env.Environment;
 import org.springframework.http.MediaType;
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
@@ -30,6 +31,7 @@ import lombok.extern.slf4j.Slf4j;
 public class JwtTokenValidationFilter extends OncePerRequestFilter {
 
     private final JwtUtils jwtUtils;
+    private final HttpUtils httpUtils;
     private final MemberService memberService;
     private final Environment env;
     private final SecurityPathConfig securityPathConfig;
@@ -66,52 +68,53 @@ public class JwtTokenValidationFilter extends OncePerRequestFilter {
                 filterChain.doFilter(request, response);
                 return;
             }
-        }
+        } else {
+            // Access Token이 없거나 만료된 경우, Refresh Token으로 갱신 시도
+            if (refreshToken != null) {
+                // 1. Refresh Token 유효성 검증
+                if (!jwtUtils.isValidRefreshToken(refreshToken)) {
+                    log.warn("Refresh Token이 유효하지 않습니다. URI: {}", request.getRequestURI());
+                    sendJsonResponse(response, ApiResponseDto.fail(ApiResponseCode.JWT_TOKEN_EXPIRED));
+                    return;
+                }
 
-        // Access Token이 없거나 만료된 경우, Refresh Token으로 갱신 시도
+                // 2. IP 주소 검증
-        if (refreshToken != null) {
+                if (!jwtUtils.isValidClientIp(refreshToken, request.getRemoteAddr())) {
-            // 1. Refresh Token 유효성 검증
+                    log.warn("클라이언트 IP 주소가 일치하지 않습니다. URI: {}, IP: {}",
-            if (!jwtUtils.isValidRefreshToken(refreshToken)) {
+                            request.getRequestURI(), request.getRemoteAddr());
-                log.warn("Refresh Token이 유효하지 않습니다. URI: {}", request.getRequestURI());
+                    sendJsonResponse(response, ApiResponseDto.fail(ApiResponseCode.INVALID_CLIENT_IP));
-                sendJsonResponse(response, ApiResponseDto.fail(ApiResponseCode.JWT_TOKEN_EXPIRED));
+                    return;
+                }
+
+                // 모든 검증을 통과한 경우 토큰 갱신 진행
+                String username = jwtUtils.extractUsername(refreshToken);
+                String role = jwtUtils.extractRole(refreshToken);
+
+                // 새로운 Access Token 생성
+                String newAccessToken = jwtUtils.generateToken(username, role,
+                        Long.parseLong(Objects.requireNonNull(env.getProperty("token.expiration_time_access"))));
+
+                // 새로운 Access Token을 응답 헤더에 설정
+                response.setHeader("Authorization", "Bearer " + newAccessToken);
+
+                // Refresh Token 갱신
+                String newRefreshToken = jwtUtils.createRefreshToken(username, role, httpUtils.getClientIp());
+                jwtUtils.setRefreshTokenCookie(response, newRefreshToken);
+
+                // 인증 정보 설정
+                UserDetails userDetails = memberService.loadUserByUsername(username);
+                if (userDetails != null) {
+                    UsernamePasswordAuthenticationToken authentication =
+                            new UsernamePasswordAuthenticationToken(userDetails, null, userDetails.getAuthorities());
+                    authentication.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
+                    SecurityContextHolder.getContext().setAuthentication(authentication);
+                }
+
+                log.info("토큰 자동 갱신 성공: {}", username);
+                filterChain.doFilter(request, response);
                 return;
             }
-            
+
-            // 2. IP 주소 검증
-            if (!jwtUtils.isValidClientIp(refreshToken, request.getRemoteAddr())) {
-                log.warn("클라이언트 IP 주소가 일치하지 않습니다. URI: {}, IP: {}", 
-                        request.getRequestURI(), request.getRemoteAddr());
-                sendJsonResponse(response, ApiResponseDto.fail(ApiResponseCode.INVALID_CLIENT_IP));
-                return;
-            }
-            
-            // 모든 검증을 통과한 경우 토큰 갱신 진행
-            String username = jwtUtils.extractUsername(refreshToken);
-            String role = jwtUtils.extractRole(refreshToken);
-            
-            // 새로운 Access Token 생성
-            String newAccessToken = jwtUtils.generateToken(username, role,
-                    Long.parseLong(Objects.requireNonNull(env.getProperty("token.expiration_time_access"))));
-            
-            // 새로운 Access Token을 응답 헤더에 설정
-            response.setHeader("Authorization", "Bearer " + newAccessToken);
-            
-            // Refresh Token 갱신
-            String newRefreshToken = jwtUtils.refreshTokens(username, role);
-            jwtUtils.setRefreshTokenCookie(response, newRefreshToken);
-            
-            // 인증 정보 설정
-            UserDetails userDetails = memberService.loadUserByUsername(username);
-            if (userDetails != null) {
-                UsernamePasswordAuthenticationToken authentication =
-                        new UsernamePasswordAuthenticationToken(userDetails, null, userDetails.getAuthorities());
-                authentication.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
-                SecurityContextHolder.getContext().setAuthentication(authentication);
-            }
-            
-            log.info("토큰 자동 갱신 성공: {}", username);
-            filterChain.doFilter(request, response);
-            return;
         }
 
         // 토큰이 없거나 모두 유효하지 않은 경우

src/main/java/com/bio/bio_backend/global/security/WebSecurity.java

@@ -46,7 +46,7 @@ public class WebSecurity {
     }
 
     private JwtTokenValidationFilter getJwtTokenValidationFilter() {
-        return new JwtTokenValidationFilter(jwtUtils, memberService, env, securityPathConfig);
+        return new JwtTokenValidationFilter(jwtUtils, httpUtils, memberService, env, securityPathConfig);
     }
 
 

src/main/java/com/bio/bio_backend/global/utils/JwtUtils.java

@@ -37,7 +37,6 @@ public class JwtUtils {
 
     // Token 생성
     public String generateToken(String username, String role, long expirationTime) {
-
         return Jwts.builder()
                 .subject(username)
                 .claim("role", role)
@@ -47,10 +46,34 @@ public class JwtUtils {
                 .compact();
     }
 
+    // Token 생성(IP 정보 포함)
+    public String generateToken(String username, String role, String clientIp, long expirationTime) {
+       return Jwts.builder()
+               .subject(username)
+               .claim("role", role)
+               .claim("ip", clientIp)  // IP 정보 추가
+               .issuedAt(new Date(System.currentTimeMillis()))
+               .expiration(new Date(System.currentTimeMillis() + expirationTime))
+               .signWith(getSigningKey())
+               .compact();
+    }
+
+    // Access Token 생성
+    public String createAccessToken(String username, String role) {
+        long expirationTime = Long.parseLong(Objects.requireNonNull(env.getProperty("token.expiration_time_access")));
+        return generateToken(username, role, expirationTime);
+    }
+
+    // Refresh Token 생성 시 IP 정보 포함
+    public String createRefreshToken(String username, String role, String clientIp) {
+        long expirationTime = Long.parseLong(Objects.requireNonNull(env.getProperty("token.expiration_time_refresh")));
+        return generateToken(username, role, clientIp, expirationTime);
+    }
+
     // Token 검증
     public Boolean validateAccessToken(String token) {
         try {
-            return isTokenExpired(token);
+            return isValidTokenExpired(token);
         } catch (io.jsonwebtoken.ExpiredJwtException e) {
             log.debug("Access Token 만료: {}", e.getMessage());
             return false;
@@ -60,50 +83,17 @@ public class JwtUtils {
         }
     }
 
-    // Refresh Token 생성 시 IP 정보 포함
-    public String createRefreshToken(String username, String role, String clientIp) {
-        return generateToken(username, role, clientIp,
-                Long.parseLong(Objects.requireNonNull(env.getProperty("token.expiration_time_refresh"))));
-    }
-
-    // IP 정보를 포함한 토큰 생성
-    public String generateToken(String username, String role, String clientIp, long expirationTime) {
-        return Jwts.builder()
-                .subject(username)
-                .claim("role", role)
-                .claim("ip", clientIp)  // IP 정보 추가
-                .issuedAt(new Date(System.currentTimeMillis()))
-                .expiration(new Date(System.currentTimeMillis() + expirationTime))
-                .signWith(getSigningKey())
-                .compact();
-    }
-
     // IP 정보 추출
     public String extractClientIp(String token) {
         Claims claims = extractAllClaims(token);
         return claims.get("ip", String.class);
     }
-
-    // Refresh Token 검증 시 IP도 함께 검증
-    public Boolean validateRefreshToken(String token, String clientIp) {
-        // 1. 토큰 유효성 검증
-        if (!isValidRefreshToken(token)) {
-            return false;
-        }
-        
-        // 2. IP 주소 검증
-        if (!isValidClientIp(token, clientIp)) {
-            return false;
-        }
-        
-        return true;
-    }
     
     // Refresh Token 유효성 검증 (토큰 일치, 만료 여부)
     public Boolean isValidRefreshToken(String token) {
         try {
             String savedToken = memberService.getRefreshToken(extractUsername(token));
-            return savedToken.equals(token) && !isTokenExpired(token);
+            return savedToken.equals(token) && isValidTokenExpired(token);
         } catch (Exception e) {
             log.debug("Refresh Token 검증 실패: {}", e.getMessage());
             return false;
@@ -127,8 +117,9 @@ public class JwtUtils {
         }
     }
 
-    private boolean isTokenExpired(String token) {
+    private boolean isValidTokenExpired(String token) {
-        return !extractAllClaims(token).getExpiration().before(new Date());
+        Date expiration = extractAllClaims(token).getExpiration();
+        return !expiration.before(new Date());
     }
 
     public String extractUsername(String token) {
@@ -142,7 +133,6 @@ public class JwtUtils {
     }
 
     public Claims extractAllClaims(String token) {
-
         return Jwts.parser()
                 .verifyWith(getSigningKey())
                 .build()
@@ -167,27 +157,6 @@ public class JwtUtils {
         }
         return null;
     }
-
-    // Access Token 생성
-    public String createAccessToken(String username, String role) {
-        return generateToken(username, role,
-                Long.parseLong(Objects.requireNonNull(env.getProperty("token.expiration_time_access"))));
-    }
-    
-    // Refresh Token 생성
-    public String createRefreshToken(String username, String role) {
-        return generateToken(username, role,
-                Long.parseLong(Objects.requireNonNull(env.getProperty("token.expiration_time_refresh"))));
-    }
-    
-    // Refresh Token 갱신 (Access Token 갱신 시 함께)
-    public String refreshTokens(String username, String role) {
-        // 새로운 Refresh Token 생성 및 DB 저장
-        String newRefreshToken = createRefreshToken(username, role);
-        
-        log.info("Refresh Token 갱신 완료: {}", username);
-        return newRefreshToken;
-    }
     
     // Refresh Token 쿠키 설정
     public void setRefreshTokenCookie(HttpServletResponse response, String refreshToken) {