package com.sandu.ximon.admin.utils;
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import cn.hutool.json.JSONObject;
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import cn.hutool.json.JSONUtil;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.lang.StringUtils;
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import javax.servlet.http.HttpServletRequest;
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.net.*;
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import java.util.Enumeration;
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@Slf4j
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public class IPUtils {
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/**
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* 获取IP地址
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* <p>
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* 使用Nginx等反向代理软件， 则不能通过request.getRemoteAddr()获取IP地址
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* 如果使用了多级反向代理的话，X-Forwarded-For的值并不止一个，而是一串IP地址，X-Forwarded-For中第一个非unknown的有效IP字符串，则为真实IP地址
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*/
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public static String getIpAddr(HttpServletRequest request) {
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String ip = null;
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try {
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ip = request.getHeader("x-forwarded-for");
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if (StringUtils.isBlank(ip) || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getHeader("Proxy-Client-IP");
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}
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if (StringUtils.isBlank(ip) || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getHeader("WL-Proxy-Client-IP");
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}
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if (StringUtils.isBlank(ip) || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getHeader("HTTP_CLIENT_IP");
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}
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if (StringUtils.isBlank(ip) || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getHeader("HTTP_X_FORWARDED_FOR");
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}
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if (StringUtils.isBlank(ip) || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getRemoteAddr();
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}
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} catch (Exception e) {
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log.error("IPUtils ERROR ", e);
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}
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//使用代理，则获取第一个IP地址
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if (StringUtils.isBlank(ip) && ip.length() > 15) {
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if (ip.indexOf(",") > 0) {
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ip = ip.substring(0, ip.indexOf(","));
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}
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}
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return ip;
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}
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/**
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* @description 获取系统环境ip
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*/
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public static String getCurrentSystemIp() {
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try {
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Enumeration<NetworkInterface> networkInterfaces = NetworkInterface.getNetworkInterfaces();
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while (networkInterfaces.hasMoreElements()) {
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NetworkInterface ni = networkInterfaces.nextElement();
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Enumeration<InetAddress> nias = ni.getInetAddresses();
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while (nias.hasMoreElements()) {
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InetAddress ia = nias.nextElement();
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if (!ia.isLinkLocalAddress() && !ia.isLoopbackAddress() && ia instanceof Inet4Address) {
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return ia.toString().substring(1);
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}
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}
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}
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} catch (SocketException e) {
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log.error("Failed to get current system Ip ", e);
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}
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return null;
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}
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public static String getIpAddrs(HttpServletRequest request) {
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String ip = request.getHeader("x-forwarded-for");
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getHeader("Proxy-Client-IP");
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}
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getHeader("WL-Proxy-Client-IP");
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}
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getHeader("HTTP_CLIENT_IP");
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}
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getHeader("HTTP_X_FORWARDED_FOR");
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}
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getRemoteAddr();
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if ("127.0.0.1".equals(ip) || "0:0:0:0:0:0:0:1".equals(ip)) {
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//根据网卡取本机配置的IP
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InetAddress inet = null;
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try {
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inet = InetAddress.getLocalHost();
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ip = inet.getHostAddress();
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} catch (UnknownHostException e) {
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throw new RuntimeException(e);
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}
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}
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}
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if (ip != null && ip.length() > 0) {
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//取第一个非unknown的有效IP字符串
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String[] split = ip.split(",");
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for (String s : split) {
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if (!"unknown".equalsIgnoreCase(s)) {
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ip = s;
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break;
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}
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}
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}
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return ip;
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}
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public static String getPublicIp() {
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try {
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String ip = "http://pv.sohu.com/cityjson?ie=utf-8";
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URL url = new URL(ip);
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HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
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BufferedReader in = new BufferedReader(new
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InputStreamReader(urlConnection.getInputStream()));
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StringBuilder stringBuilder = new StringBuilder();
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String read;
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while ((read = in.readLine()) != null) {
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stringBuilder.append(read);
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}
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//可打印stringBuilder再解析得到的信息
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String string = StringUtils.split(stringBuilder.toString(), "=")[1];
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JSONObject jsonObject = JSONUtil.parseObj(string);
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return jsonObject.get("cip").toString();
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} catch (Exception e) {
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return "未知";
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}
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}
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}
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