潘钊 / bsth_control · Commits

Commit b1bbf93aebb5098621a10660b69ecf4538535843

Authored by 王通
1 parent 7b042a01
build: skipped

1.IP地址获取只认header X-Forwarded-For和X-Real-IP

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Showing 1 changed file with 62 additions and 62 deletions
src/main/java/com/bsth/util/IpUtils.java
  View file @b1bbf93
1   -package com.bsth.util;
2   -
3   -import javax.servlet.http.HttpServletRequest;
4   -import java.net.Inet4Address;
5   -import java.net.InetAddress;
6   -import java.net.NetworkInterface;
7   -import java.util.Enumeration;
8   -
9   -public class IpUtils {
10   -
11   - public static String getIpAddr(HttpServletRequest request) {
12   - if (request == null) {
13   - return "unknown";
14   - }
15   - String ip = request.getHeader("x-forwarded-for");
16   - if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
17   - ip = request.getHeader("Proxy-Client-IP");
18   - }
19   - if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
20   - ip = request.getHeader("X-Forwarded-For");
21   - }
22   - if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
23   - ip = request.getHeader("WL-Proxy-Client-IP");
24   - }
25   - if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
26   - ip = request.getHeader("X-Real-IP");
27   - }
28   - if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
29   - ip = request.getRemoteAddr();
30   - }
31   - return ip;
32   - }
33   -
34   - /**
35   - * 获取本地IP地址
36   - * @return
37   - */
38   - public static String getLocalIpAddress() {
39   - try {
40   - Enumeration<NetworkInterface> allNetInterfaces = NetworkInterface.getNetworkInterfaces();
41   - InetAddress ip = null;
42   - while (allNetInterfaces.hasMoreElements()) {
43   - NetworkInterface netInterface = (NetworkInterface) allNetInterfaces.nextElement();
44   - if (netInterface.isLoopback() || netInterface.isVirtual() || !netInterface.isUp() || "docker0".equals(netInterface.getDisplayName())) {
45   - continue;
46   - } else {
47   - Enumeration<InetAddress> addresses = netInterface.getInetAddresses();
48   - while (addresses.hasMoreElements()) {
49   - ip = addresses.nextElement();
50   - if (ip != null && ip instanceof Inet4Address) {
51   - return ip.getHostAddress();
52   - }
53   - }
54   - }
55   - }
56   - } catch (Exception e) {
57   - System.err.println("IP地址获取失败" + e.toString());
58   - }
59   -
60   - return "";
61   - }
62   -}
  1 +package com.bsth.util;
  2 +
  3 +import javax.servlet.http.HttpServletRequest;
  4 +import java.net.Inet4Address;
  5 +import java.net.InetAddress;
  6 +import java.net.NetworkInterface;
  7 +import java.util.Enumeration;
  8 +
  9 +public class IpUtils {
  10 +
  11 + /**
  12 + * 代理环境下只认X-Forwarded-For和X-Real-IP header，同时代理程序需要重写这两个header为原始IP
  13 + * 非代理环境只应该用request.getRemoteAddr()
  14 + * @param request
  15 + * @return
  16 + */
  17 + public static String getIpAddr(HttpServletRequest request) {
  18 + if (request == null) {
  19 + return "unknown";
  20 + }
  21 + String ip = null;
  22 + if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
  23 + ip = request.getHeader("X-Forwarded-For");
  24 + }
  25 + if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
  26 + ip = request.getHeader("X-Real-IP");
  27 + }
  28 + if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
  29 + ip = request.getRemoteAddr();
  30 + }
  31 + return ip;
  32 + }
  33 +
  34 + /**
  35 + * 获取本地IP地址
  36 + * @return
  37 + */
  38 + public static String getLocalIpAddress() {
  39 + try {
  40 + Enumeration<NetworkInterface> allNetInterfaces = NetworkInterface.getNetworkInterfaces();
  41 + InetAddress ip = null;
  42 + while (allNetInterfaces.hasMoreElements()) {
  43 + NetworkInterface netInterface = (NetworkInterface) allNetInterfaces.nextElement();
  44 + if (netInterface.isLoopback() || netInterface.isVirtual() || !netInterface.isUp() || "docker0".equals(netInterface.getDisplayName())) {
  45 + continue;
  46 + } else {
  47 + Enumeration<InetAddress> addresses = netInterface.getInetAddresses();
  48 + while (addresses.hasMoreElements()) {
  49 + ip = addresses.nextElement();
  50 + if (ip != null && ip instanceof Inet4Address) {
  51 + return ip.getHostAddress();
  52 + }
  53 + }
  54 + }
  55 + }
  56 + } catch (Exception e) {
  57 + System.err.println("IP地址获取失败" + e.toString());
  58 + }
  59 +
  60 + return "";
  61 + }
  62 +}
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