优化ip获取

zlt-commons/zlt-common-spring-boot-starter/src/main/java/com/central/common/utils/AddrUtil.java

+package com.central.common.utils;
+
+import cn.hutool.core.util.StrUtil;
+import lombok.extern.slf4j.Slf4j;
+
+import javax.servlet.http.HttpServletRequest;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
+/**
+ * @author zlt
+ * @date 2019/9/8
+ */
+@Slf4j
+public class AddrUtil {
+    private final static String UNKNOWN_STR = "unknown";
+    /**
+     * 获取客户端IP地址
+     */
+    public static String getRemoteAddr(HttpServletRequest request) {
+        String ip = request.getHeader("X-Forwarded-For");
+        if (isEmptyIP(ip)) {
+            ip = request.getHeader("Proxy-Client-IP");
+            if (isEmptyIP(ip)) {
+                ip = request.getHeader("WL-Proxy-Client-IP");
+                if (isEmptyIP(ip)) {
+                    ip = request.getHeader("HTTP_CLIENT_IP");
+                    if (isEmptyIP(ip)) {
+                        ip = request.getHeader("HTTP_X_FORWARDED_FOR");
+                        if (isEmptyIP(ip)) {
+                            ip = request.getRemoteAddr();
+                            if ("127.0.0.1".equals(ip) || "0:0:0:0:0:0:0:1".equals(ip)) {
+                                // 根据网卡取本机配置的IP
+                                ip = getLocalAddr();
+                            }
+                        }
+                    }
+                }
+            }
+        } else if (ip.length() > 15) {
+            String[] ips = ip.split(",");
+            for (int index = 0; index < ips.length; index++) {
+                String strIp = ips[index];
+                if (!isEmptyIP(ip)) {
+                    ip = strIp;
+                    break;
+                }
+            }
+        }
+        return ip;
+    }
+
+    private static boolean isEmptyIP(String ip) {
+        if (StrUtil.isEmpty(ip) || UNKNOWN_STR.equalsIgnoreCase(ip)) {
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * 获取本机的IP地址
+     */
+    public static String getLocalAddr() {
+        try {
+            return InetAddress.getLocalHost().getHostAddress();
+        } catch (UnknownHostException e) {
+            log.error("InetAddress.getLocalHost()-error", e);
+        }
+        return "";
+    }
+}

zlt-gateway/zuul-gateway/src/main/java/com/central/gateway/filter/pre/RequestStatisticsFilter.java

 package com.central.gateway.filter.pre;
 
-import cn.hutool.core.util.StrUtil;
+import com.central.common.utils.AddrUtil;
 import com.central.log.monitor.PointUtil;
 import com.netflix.zuul.ZuulFilter;
 import com.netflix.zuul.context.RequestContext;
@@ -20,8 +20,6 @@ import javax.servlet.http.HttpServletRequest;
 @Slf4j
 @Component
 public class RequestStatisticsFilter extends ZuulFilter {
-    private final static String UNKNOWN_STR = "unknown";
-
     @Override
     public String filterType() {
         return FilterConstants.PRE_TYPE;
@@ -44,40 +42,11 @@ public class RequestStatisticsFilter extends ZuulFilter {
         UserAgent userAgent = UserAgent.parseUserAgentString(req.getHeader("User-Agent"));
 
         //埋点
-        PointUtil.debug("0","request-statistics",
-                "ip="+this.getIpAddr(req)
-                         +"&browser="+userAgent.getBrowser()
-                         +"&operatingSystem="+userAgent.getOperatingSystem());
-        return null;
-    }
+        PointUtil.debug("0", "request-statistics",
+                "ip=" + AddrUtil.getRemoteAddr(req)
+                        + "&browser=" + userAgent.getBrowser()
+                        + "&operatingSystem=" + userAgent.getOperatingSystem());
 
-    /**
-     * 获取Ip地址
-     */
-    public  String getIpAddr(HttpServletRequest request){
-        String ip = request.getHeader("X-Forwarded-For");
-        if (isEmptyIP(ip)) {
-            ip = request.getHeader("Proxy-Client-IP");
-            if (isEmptyIP(ip)) {
-                ip = request.getHeader("WL-Proxy-Client-IP");
-                if (isEmptyIP(ip)) {
-                    ip = request.getHeader("HTTP_CLIENT_IP");
-                    if (isEmptyIP(ip)) {
-                        ip = request.getHeader("HTTP_X_FORWARDED_FOR");
-                        if (isEmptyIP(ip)) {
-                            ip = request.getRemoteAddr();
-                        }
-                    }
-                }
-            }
-        }
-        return ip;
-    }
-
-    private boolean isEmptyIP(String ip) {
-        if (StrUtil.isEmpty(ip) || UNKNOWN_STR.equalsIgnoreCase(ip)) {
-            return true;
-        }
-        return false;
+        return null;
     }
 }