package xiaozhi.common.utils;
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import org.apache.commons.lang3.StringUtils;
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import jakarta.servlet.http.HttpServletRequest;
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import lombok.extern.slf4j.Slf4j;
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/**
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* IP地址
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* Copyright (c) 人人开源 All rights reserved.
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* Website: https://www.renren.io
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*/
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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 unknown = "unknown";
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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.isEmpty(ip) || unknown.equalsIgnoreCase(ip)) {
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ip = request.getHeader("Proxy-Client-IP");
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}
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if (StringUtils.isEmpty(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.isEmpty(ip) || unknown.equalsIgnoreCase(ip)) {
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ip = request.getHeader("HTTP_CLIENT_IP");
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}
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if (StringUtils.isEmpty(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.isEmpty(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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return ip;
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}
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}
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