From b7b9b278a6e4788e9ee97e3389ddd1b8a6752f36 Mon Sep 17 00:00:00 2001
From: teddy <teddy.kim.kim@tf.dabeeo.com>
Date: Thu, 22 Jan 2026 17:22:20 +0900
Subject: [PATCH] =?UTF-8?q?=EC=82=AC=EC=9A=A9=EC=9E=90=20ip=20=EC=B6=94?=
 =?UTF-8?q?=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../auth/CustomAuthenticationProvider.java      | 17 ++++++++++++++++-
 .../cd/kamcoback/common/utils/UserUtil.java     |  7 +++++++
 .../postgres/core/GukYuinCoreService.java       |  8 ++++++++
 3 files changed, 31 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/com/kamco/cd/kamcoback/postgres/core/GukYuinCoreService.java

diff --git a/src/main/java/com/kamco/cd/kamcoback/auth/CustomAuthenticationProvider.java b/src/main/java/com/kamco/cd/kamcoback/auth/CustomAuthenticationProvider.java
index df3c70cf..c9228a3f 100644
--- a/src/main/java/com/kamco/cd/kamcoback/auth/CustomAuthenticationProvider.java
+++ b/src/main/java/com/kamco/cd/kamcoback/auth/CustomAuthenticationProvider.java
@@ -3,8 +3,10 @@ package com.kamco.cd.kamcoback.auth;
 import com.kamco.cd.kamcoback.common.enums.StatusType;
 import com.kamco.cd.kamcoback.common.enums.error.AuthErrorCode;
 import com.kamco.cd.kamcoback.common.exception.CustomApiException;
+import com.kamco.cd.kamcoback.common.utils.HeaderUtil;
 import com.kamco.cd.kamcoback.postgres.entity.MemberEntity;
 import com.kamco.cd.kamcoback.postgres.repository.members.MembersRepository;
+import jakarta.servlet.http.HttpServletRequest;
 import lombok.RequiredArgsConstructor;
 import org.mindrot.jbcrypt.BCrypt;
 import org.springframework.security.authentication.AuthenticationProvider;
@@ -12,11 +14,16 @@ import org.springframework.security.authentication.UsernamePasswordAuthenticatio
 import org.springframework.security.core.Authentication;
 import org.springframework.security.core.AuthenticationException;
 import org.springframework.stereotype.Component;
+import org.springframework.web.context.request.RequestContextHolder;
+import org.springframework.web.context.request.ServletRequestAttributes;
 
 @Component
 @RequiredArgsConstructor
 public class CustomAuthenticationProvider implements AuthenticationProvider {
 
+  ServletRequestAttributes attr =
+      (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
+
   private final MembersRepository membersRepository;
 
   @Override
@@ -52,7 +59,15 @@ public class CustomAuthenticationProvider implements AuthenticationProvider {
     // 인증 성공 → UserDetails 생성
     CustomUserDetails userDetails = new CustomUserDetails(member);
 
-    return new UsernamePasswordAuthenticationToken(userDetails, null, userDetails.getAuthorities());
+    // front에서 전달한 사용자 ip 등록
+    HttpServletRequest req = (attr != null) ? attr.getRequest() : null;
+    String ip = (req != null) ? HeaderUtil.get(req, "kamco-userIp") : null;
+
+    UsernamePasswordAuthenticationToken token =
+        new UsernamePasswordAuthenticationToken(userDetails, null, userDetails.getAuthorities());
+
+    token.setDetails(ip);
+    return token;
   }
 
   @Override
diff --git a/src/main/java/com/kamco/cd/kamcoback/common/utils/UserUtil.java b/src/main/java/com/kamco/cd/kamcoback/common/utils/UserUtil.java
index ee510208..7e64f0a2 100644
--- a/src/main/java/com/kamco/cd/kamcoback/common/utils/UserUtil.java
+++ b/src/main/java/com/kamco/cd/kamcoback/common/utils/UserUtil.java
@@ -44,4 +44,11 @@ public class UserUtil {
     MembersDto.Member user = getCurrentUser();
     return user != null ? user.getRole() : null;
   }
+
+  public String getIp() {
+    return Optional.ofNullable(SecurityContextHolder.getContext().getAuthentication())
+        .map(auth -> auth.getDetails())
+        .map(Object::toString)
+        .orElse(null);
+  }
 }
diff --git a/src/main/java/com/kamco/cd/kamcoback/postgres/core/GukYuinCoreService.java b/src/main/java/com/kamco/cd/kamcoback/postgres/core/GukYuinCoreService.java
new file mode 100644
index 00000000..24f91d4f
--- /dev/null
+++ b/src/main/java/com/kamco/cd/kamcoback/postgres/core/GukYuinCoreService.java
@@ -0,0 +1,8 @@
+package com.kamco.cd.kamcoback.postgres.core;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class GukYuinCoreService {}