com.gccloud.starter.common.utils.IPUtils Maven / Gradle / Ivy
package com.gccloud.starter.common.utils;
import com.alibaba.fastjson.JSONObject;
import com.google.common.collect.Sets;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import javax.servlet.http.HttpServletRequest;
import java.util.Set;
/**
* @author 猛击小菜鸟
* @date 2021年06月21日10:23:08
* @since 1.2.2
*/
@Slf4j
public class IPUtils {
public static final Set IP_HEADER_SET = Sets.newHashSet(
"browser-ip", "X-Real-IP", "browser", "X-Forwarded-For", "Proxy-Client-IP", "WL-Proxy-Client-IP", "HTTP_CLIENT_IP", "HTTP_X_FORWARDED_FOR");
/**
* 获取IP地址
*
* 使用Nginx等反向代理软件， 则不能通过request.getRemoteAddr()获取IP地址
* 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
*/
public static String getIp(HttpServletRequest request) {
String ip = null;
// 为了防止IP记录有误，把他们都记录下来
JSONObject ipObj = new JSONObject();
try {
for (String name : IP_HEADER_SET) {
ip = request.getHeader(name);
if (StringUtils.isNotBlank(ip) && !"unknown".equalsIgnoreCase(ip)) {
ipObj.put(name, ip);
}
}
ip = request.getRemoteAddr();
if (StringUtils.isNotBlank(ip) && !"unknown".equalsIgnoreCase(ip)) {
ipObj.put("RemoteAddr", ip);
}
ip = request.getRemoteHost();
if (StringUtils.isNotBlank(ip) && !"unknown".equalsIgnoreCase(ip)) {
ipObj.put("RemoteHost", ip);
}
} catch (Exception e) {
log.error("获取IP失败：{}", e.getMessage());
}
return ipObj.toJSONString();
}
}