[회원 정보 개선] Member 엔티티 및 DTO에 login_ip 필드 추가, JWT 관련 필터에서 클라이언트 IP 처리 로직 개선. Refresh Token 생성 및 검증 시 IP 정보 포함하여 보안 강화.

ddl/schema.sql

@@ -8,6 +8,7 @@
         updated_at timestamp(6) not null,
         updated_oid bigint,
         role varchar(40) not null check (role in ('MEMBER','ADMIN','SYSTEM_ADMIN')),
+        login_ip varchar(45),
         name varchar(100) not null,
         password varchar(100) not null,
         user_id varchar(100) not null,

src/main/java/com/bio/bio_backend/domain/base/member/dto/MemberDto.java

@@ -27,6 +27,7 @@ public class MemberDto implements UserDetails {
     private MemberRole role;
     private Boolean useFlag;
     private String refreshToken;
+    private String loginIp;
     private LocalDateTime lastLoginAt;
     private LocalDateTime createdAt;
     private LocalDateTime updatedAt;

src/main/java/com/bio/bio_backend/domain/base/member/entity/Member.java

@@ -48,6 +48,9 @@ public class Member extends BaseEntity {
     @Column(name = "refresh_token", length = 1024)
     private String refreshToken;
 
+    @Column(name = "login_ip", length = 45)  // IPv6 지원을 위해 45자
+    private String loginIp;
+
     @Column(name = "last_login_at")
     private LocalDateTime lastLoginAt;
     

src/main/java/com/bio/bio_backend/domain/base/member/mapper/MemberMapper.java

@@ -22,6 +22,7 @@ public interface MemberMapper {
     @Mapping(target = "role", expression = "java(com.bio.bio_backend.domain.base.member.enums.MemberRole.getDefault())")
     @Mapping(target = "useFlag", constant = "true")
     @Mapping(target = "refreshToken", ignore = true)
+    @Mapping(target = "loginIp", ignore = true)
     @Mapping(target = "lastLoginAt", ignore = true)
     @Mapping(target = "createdAt", ignore = true)
     @Mapping(target = "updatedAt", ignore = true)

src/main/java/com/bio/bio_backend/domain/base/member/service/MemberService.java

@@ -1,6 +1,5 @@
 package com.bio.bio_backend.domain.base.member.service;
 
-import java.time.LocalDateTime;
 import java.util.List;
 import java.util.Map;
 

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

@@ -12,6 +12,7 @@ import com.bio.bio_backend.domain.base.member.dto.MemberDto;
 import com.bio.bio_backend.domain.base.member.service.MemberService;
 import com.bio.bio_backend.global.constants.ApiResponseCode;
 import com.bio.bio_backend.global.utils.JwtUtils;
+import com.bio.bio_backend.global.utils.HttpUtils;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.HttpStatus;
@@ -38,6 +39,7 @@ public class JwtTokenIssuanceFilter extends UsernamePasswordAuthenticationFilter
     private final JwtUtils jwtUtils;
     private final ObjectMapper objectMapper;
     private final MemberService memberService;
+    private final HttpUtils httpUtils;
 
     // 사용자 login 인증 처리
     @Override
@@ -66,6 +68,7 @@ public class JwtTokenIssuanceFilter extends UsernamePasswordAuthenticationFilter
         String refreshToken = jwtUtils.createRefreshToken(member.getUserId(), member.getRole().getValue());
         
         member.setRefreshToken(refreshToken);
+        member.setLoginIp(httpUtils.getClientIp());
         member.setLastLoginAt(LocalDateTime.now());
         memberService.updateMember(member);
 

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

@@ -69,7 +69,7 @@ public class JwtTokenValidationFilter extends OncePerRequestFilter {
         }
 
         // Access Token이 없거나 만료된 경우, Refresh Token으로 갱신 시도
-        if (refreshToken != null && jwtUtils.validateRefreshToken(refreshToken)) {
+        if (refreshToken != null && jwtUtils.validateRefreshToken(refreshToken, request.getRemoteAddr())) {
             String username = jwtUtils.extractUsername(refreshToken);
             String role = (String) jwtUtils.extractAllClaims(refreshToken).get("role");
             

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

@@ -21,6 +21,7 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import com.bio.bio_backend.domain.base.member.service.MemberService;
 import com.bio.bio_backend.global.exception.CustomAuthenticationFailureHandler;
 import com.bio.bio_backend.global.utils.JwtUtils;
+import com.bio.bio_backend.global.utils.HttpUtils;
 import com.bio.bio_backend.global.config.SecurityPathConfig;
 import lombok.RequiredArgsConstructor;
 
@@ -35,9 +36,10 @@ public class WebSecurity {
     private final ObjectMapper objectMapper;
     private final Environment env;
     private final SecurityPathConfig securityPathConfig;
+    private final HttpUtils httpUtils;
 
     private JwtTokenIssuanceFilter getJwtTokenIssuanceFilter(AuthenticationManager authenticationManager) throws Exception {
-        JwtTokenIssuanceFilter filter = new JwtTokenIssuanceFilter(authenticationManager, jwtUtils, objectMapper, memberService);
+        JwtTokenIssuanceFilter filter = new JwtTokenIssuanceFilter(authenticationManager, jwtUtils, objectMapper, memberService, httpUtils);
         filter.setFilterProcessesUrl("/login");
         filter.setAuthenticationFailureHandler(new CustomAuthenticationFailureHandler(objectMapper));
         return filter;

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

@@ -8,7 +8,6 @@ import jakarta.servlet.http.Cookie;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
 import com.bio.bio_backend.domain.base.member.service.MemberService;
-import com.bio.bio_backend.domain.base.member.dto.MemberDto;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Value;
@@ -53,9 +52,39 @@ public class JwtUtils {
         return isTokenExpired(token);
     }
 
-    public Boolean validateRefreshToken(String token) {
-        String saveToken = memberService.getRefreshToken(extractUsername(token));
-        return (saveToken.equals(token) && isTokenExpired(token));
+    // 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) {
+        String savedToken = memberService.getRefreshToken(extractUsername(token));
+        String tokenIp = extractClientIp(token);
+        
+        // 토큰 일치, 만료되지 않음, IP 일치 확인
+        return (savedToken.equals(token) && 
+                isTokenExpired(token) && 
+                Objects.equals(tokenIp, clientIp));
     }
 
     private boolean isTokenExpired(String token) {

src/main/resources/application.properties

@@ -92,7 +92,7 @@ decorator.datasource.p6spy.log-format=%(sqlSingleLine)
 # JWT 설정
 # ========================================
 token.expiration_time_access=900000
-token.expiration_time_refresh=604800000
+token.expiration_time_refresh=86400000
 token.secret_key=c3RhbV9qd3Rfc2VjcmV0X3Rva2Vuc3RhbV9qd3Rfc2VjcmV0X3RhbV9qd3Rfc2VjcmV0X3RhbV9qd3Rfc2VjcmV0X3Rva2Vu
 # 운영 환경 변수 설정 필요
 # token.secret_key=${JWT_SECRET_KEY:}