From 82380a5188e2c2f95dcfc7441914d7592d654a46 Mon Sep 17 00:00:00 2001
From: woo <woo@DESKTOP-5FPS6Q0>
Date: Mon, 3 Jul 2023 12:33:45 +0900
Subject: [PATCH] =?UTF-8?q?IPIgnore=20Interceptor=20IPv4/IPv6=20=EB=AA=A8?=
 =?UTF-8?q?=EB=91=90=20=EC=B2=B4=ED=81=AC=EB=90=98=EB=8F=84=EB=A1=9D=20?=
 =?UTF-8?q?=EA=B8=B0=EB=8A=A5=20=EC=88=98=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 .../IPIgnoreInterceptorHandler.java           | 30 ++++---------------
 1 file changed, 6 insertions(+), 24 deletions(-)

diff --git a/src/main/java/itn/com/cmm/interceptor/IPIgnoreInterceptorHandler.java b/src/main/java/itn/com/cmm/interceptor/IPIgnoreInterceptorHandler.java
index 8704736f..7f905dd7 100644
--- a/src/main/java/itn/com/cmm/interceptor/IPIgnoreInterceptorHandler.java
+++ b/src/main/java/itn/com/cmm/interceptor/IPIgnoreInterceptorHandler.java
@@ -13,6 +13,8 @@ import org.springframework.web.context.request.ServletRequestAttributes;
 import org.springframework.web.servlet.ModelAndView;
 import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
 
+import com.google.common.net.InetAddresses;
+
 import egovframework.rte.fdl.security.userdetails.util.EgovUserDetailsHelper;
 import itn.com.cmm.LoginVO;
 import itn.com.uss.olh.hpc.service.HackIpService;
@@ -91,33 +93,13 @@ public class IPIgnoreInterceptorHandler extends HandlerInterceptorAdapter{
 				 * 범위 값이 아닌경우 오류 처리
 				 * 
 				 * */
-				String[] checkIP = userIP.split("\\.");
+				
 				boolean ipCheckType = false;
-				
-				if(checkIP.length < 4 || checkIP == null) {
-					
-					System.out.println("IPIgnoreInterceptorHandler-preHandle Header IP Check ERROR !!! ");
-					System.out.println("userIP ::: "+userIP);
-					response.sendRedirect(request.getContextPath() + "/");
-        			return true;
-					
-				}else {
-					
-					for(String tmp : checkIP) {
-						
-						int ipNum = Integer.parseInt(tmp);
-						
-						if(ipNum >=0 && ipNum <= 255) {
-							
-							ipCheckType = true;
-							
-						}
-						
-					}
-					
+				//IPv4, IPv6 모두 체크 해줌
+				if(InetAddresses.isInetAddress(userIP)) {
+					ipCheckType = true;
 				}
 				
-				
 				if(!ipCheckType) {
 					
 					System.out.println("IPIgnoreInterceptorHandler-preHandle Header IP Check ERROR !!! ");