From e188696f9d141e8bfcaa150a92d2926b590e3acd Mon Sep 17 00:00:00 2001
From: wangqing <smalljop@foxmail.com>
Date: Thu, 11 Mar 2021 17:37:36 +0800
Subject: [PATCH] =?UTF-8?q?fix=EF=BC=9A=E8=8E=B7=E5=8F=96ip=E5=9C=B0?=
 =?UTF-8?q?=E5=9D=80=E5=AD=98=E5=9C=A8=E5=A4=9A=E4=B8=AA=E6=97=B6=E9=94=99?=
 =?UTF-8?q?=E8=AF=AF?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../java/com/tduck/cloud/api/util/HttpUtils.java | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/tduck-api/src/main/java/com/tduck/cloud/api/util/HttpUtils.java b/tduck-api/src/main/java/com/tduck/cloud/api/util/HttpUtils.java
index b4a5c45..fc1cca6 100644
--- a/tduck-api/src/main/java/com/tduck/cloud/api/util/HttpUtils.java
+++ b/tduck-api/src/main/java/com/tduck/cloud/api/util/HttpUtils.java
@@ -1,5 +1,9 @@
 package com.tduck.cloud.api.util;
 
+import cn.hutool.core.lang.PatternPool;
+import cn.hutool.core.lang.Validator;
+import cn.hutool.core.util.ArrayUtil;
+import cn.hutool.core.util.CharUtil;
 import cn.hutool.core.util.StrUtil;
 import com.tduck.cloud.api.web.wrapper.BodyReaderHttpServletRequestWrapper;
 import com.tduck.cloud.common.util.JsonUtils;
@@ -10,6 +14,7 @@ import org.springframework.http.MediaType;
 
 import javax.servlet.http.HttpServletRequest;
 import java.util.*;
+import java.util.regex.Pattern;
 
 /**
  * http 工具类 获取请求中的参数
@@ -18,6 +23,7 @@ import java.util.*;
  * @date 14:23 2019/5/29
  */
 public class HttpUtils {
+
     /**
      * 将URL的参数和body参数合并
      *
@@ -113,7 +119,15 @@ public class HttpUtils {
         if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
             ip = request.getRemoteAddr();
         }
-
+        //"***.***.***.***".length() = 15
+        if (StrUtil.isNotBlank(ip) && ip.length() > 15) {
+            if (ip.indexOf(CharUtil.COMMA) > 0) {
+                ip = ip.substring(0, ip.indexOf(","));
+            }
+        }
+        //处理获取多个ip地址情况 nginx多层代理会出现多个ip 第一个为真实ip地址
         return "0:0:0:0:0:0:0:1".equals(ip) ? "127.0.0.1" : ip;
     }
+
+
 }