package com.sandu.common.util;

import cn.hutool.extra.servlet.ServletUtil;

import javax.servlet.http.HttpServletRequest;

/**
 * @author chenjiantian
 * @date 2021/8/12 11:21
 */
public class IpUtil {

    public static String getRealIp() {
        HttpServletRequest request = RequestHolder.getHttpServletRequest();
        return ServletUtil.getClientIP(request);
    }

    public static String getIpAddr(HttpServletRequest request) {
        String ip = request.getHeader("x-forwarded-for");
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("WL-Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
        }
        return ip;
    }

}