package com.rf.fileCrack.utils;

import javax.servlet.http.HttpServletRequest;

/**
 * @author lpf
 * @description:
 * @date 2021/12/2517:59
 */
public class IPUtiles {
    public static String getRealIp(HttpServletRequest request) {
        String ip = request.getHeader("X-Real-IP");
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            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();
        }
        if (ip != null && ip.contains(",")) {
            String[] ipArray = ip.split(",");
            ip = ipArray[0];
        }
        return ip;
    }

}