fei.wang
2024-05-13 19fe5a3d816184549e8ffa011c39f218734da8d5
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//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by FernFlower decompiler)
//
 
package com.flow.util;
 
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.lang.ArrayUtils;
import org.apache.commons.lang.StringUtils;
 
public class IpUtil {
    public IpUtil() {
    }
 
    public static String getIpAddress(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.getHeader("HTTP_CLIENT_IP");
        }
 
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_X_FORWARDED_FOR");
        }
 
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
        }
 
        if (StringUtils.isNotEmpty(ip) && ip.contains(",")) {
            String[] ipArray = ip.split(",");
            if (ArrayUtils.isNotEmpty(ipArray)) {
                ip = ipArray[0];
            }
        }
 
        return ip;
    }
}