package cn.gistack.sm.log.util;
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import javax.servlet.http.HttpServletRequest;
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import java.net.InetAddress;
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import java.net.UnknownHostException;
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/**
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* @PROJECT_NAME: skjcmanager
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* @DESCRIPTION:
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* @USER: aix
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* @DATE: 2023/6/21 12:00
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*/
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public class IpUtils {
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public static String getIpAddr(HttpServletRequest request) {
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String ipAddress = null;
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try {
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ipAddress = request.getHeader("x-forwarded-for");
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if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
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ipAddress = request.getHeader("Proxy-Client-IP");
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}
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if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
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ipAddress = request.getHeader("WL-Proxy-Client-IP");
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}
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if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
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ipAddress = request.getRemoteAddr();
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if (ipAddress.equals("127.0.0.1")) {
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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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} catch (UnknownHostException e) {
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e.printStackTrace();
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}
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ipAddress = inet.getHostAddress();
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}
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}
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// 对于通过多个代理的情况，第一个IP为客户端真实IP，多个IP按照','分割
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if (ipAddress != null && ipAddress.length() > 15) { // "***.***.***.***".length()
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if (ipAddress.indexOf(",") > 0) {
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ipAddress = ipAddress.substring(0, ipAddress.indexOf(","));
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}
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}
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} catch (Exception e) {
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ipAddress = "";
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}
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return ipAddress;
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}
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}
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