From bbc45b7a3982e43871350df5cd28bd8758382642 Mon Sep 17 00:00:00 2001
From: woo <woo@DESKTOP-5FPS6Q0>
Date: Mon, 3 Jul 2023 11:13:43 +0900
Subject: [PATCH] =?UTF-8?q?IPIgnore=20Interceptor=20=ED=97=A4=EB=8D=94=20?=
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---
 .../IPIgnoreInterceptorHandler.java           | 56 +++++++++++++++++--
 1 file changed, 52 insertions(+), 4 deletions(-)

diff --git a/src/main/java/itn/com/cmm/interceptor/IPIgnoreInterceptorHandler.java b/src/main/java/itn/com/cmm/interceptor/IPIgnoreInterceptorHandler.java
index 8a0a4742..8704736f 100644
--- a/src/main/java/itn/com/cmm/interceptor/IPIgnoreInterceptorHandler.java
+++ b/src/main/java/itn/com/cmm/interceptor/IPIgnoreInterceptorHandler.java
@@ -84,6 +84,48 @@ public class IPIgnoreInterceptorHandler extends HandlerInterceptorAdapter{
 
 				HackIpVO hackIpVO = new HackIpVO();		
 				hackIpVO.setIgnoreIp(userIP);
+				
+				/*
+				 * 헤더 아이피 체크 해주기
+				 * "." 기준으로 문자열 분할 후 0 ~ 255 사이 값인지 체크 
+				 * 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;
+							
+						}
+						
+					}
+					
+				}
+				
+				
+				if(!ipCheckType) {
+					
+					System.out.println("IPIgnoreInterceptorHandler-preHandle Header IP Check ERROR !!! ");
+					System.out.println("userIP ::: "+userIP);
+					response.sendRedirect(request.getContextPath() + "/");
+        			return true;
+					
+				}
 
 				int i_ignoreCnt	=	hackIpService.selectIgnoreIpCnt(hackIpVO);
 				
@@ -151,7 +193,11 @@ public class IPIgnoreInterceptorHandler extends HandlerInterceptorAdapter{
 		                loginLogService.logInsertLoginLog4Ajax(loginLog);
 		                
 	                }catch(Exception ex) {	                	
-	                	ex.printStackTrace();
+	                	//ex.printStackTrace();
+	                	System.out.println("IPIgnoreInterceptorHandler-preHandle Error !!! " + ex);
+	                	//오류가 발생하면 메일화면으로 이동 시킨다.
+	        			response.sendRedirect(request.getContextPath() + "/");
+	        			return true;
 		                
 	                }
 	        	}
@@ -163,11 +209,13 @@ public class IPIgnoreInterceptorHandler extends HandlerInterceptorAdapter{
 
 			
 		}catch(Exception ex) {
-			ex.printStackTrace();
+			//ex.printStackTrace();
+			System.out.println("IPIgnoreInterceptorHandler-preHandle Error !!! " + ex);
+			//오류가 발생하면 경로 오류를 발생 시킨다.
+			response.sendRedirect(request.getContextPath() + "/");
+			return true;
 		}
 
-		
-    	
         return v_ret;
     }