com.pongsky.kit.ip.utils.IpUtils Maven / Gradle / Ivy
package com.pongsky.kit.ip.utils;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import okhttp3.ResponseBody;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.text.MessageFormat;
import java.util.Arrays;
import java.util.List;
/**
* IP 工具类
*
* @author pengsenhao
**/
public class IpUtils {
/**
* 未知
*/
private static final String UNKNOWN = "unknown";
/**
* 本地 IP 列表
*/
private static final List LOCAL_HOST_IPS = Arrays.asList("127.0.0.1", "0:0:0:0:0:0:0:1");
/**
* 获取 IP
*
* @param request request
* @return 获取 IP
*/
public static String getIp(HttpServletRequest request) {
if (request == null) {
return UNKNOWN;
}
// 获取请求主机 IP 地址,如果通过代理进来，则透过防火墙获取真实 IP 地址
String ipAddress = request.getHeader("x-forwarded-for");
if (ipAddress == null || ipAddress.length() == 0 || UNKNOWN.equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("Proxy-Client-IP");
}
if (ipAddress == null || ipAddress.length() == 0 || UNKNOWN.equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("WL-Proxy-Client-IP");
}
if (ipAddress == null || ipAddress.length() == 0 || UNKNOWN.equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("X-Real-IP");
}
if (ipAddress == null || ipAddress.length() == 0 || UNKNOWN.equalsIgnoreCase(ipAddress)) {
ipAddress = request.getRemoteAddr();
if (LOCAL_HOST_IPS.contains(ipAddress)) {
// 根据网卡取本机配置的 IP
return IpUtils.getHostAddress();
}
}
return ipAddress;
}
/**
* 获取本机 IP
*
* @return 获取本机 IP
*/
private static String getHostAddress() {
InetAddress inetAddress;
try {
inetAddress = InetAddress.getLocalHost();
} catch (UnknownHostException e) {
throw new RuntimeException(e.getLocalizedMessage(), e);
}
return inetAddress.getHostAddress();
}
/**
* 查询 IP 地址网站
*/
private static final String QUERY_IP_URL = "https://whois.pconline.com.cn/ip.jsp?ip={0}";
/**
* OK Http Client
*/
private static final OkHttpClient HTTP_CLIENT = new OkHttpClient();
/**
* 获取 IP 对应的所在地区
*
* @param ip IP
* @return 获取 IP 对应的所在地区
*/
public static String getAddress(String ip) {
Request request = new Request.Builder()
.url(MessageFormat.format(QUERY_IP_URL, ip))
.build();
try (Response response = HTTP_CLIENT.newCall(request).execute()) {
ResponseBody body = response.body();
return body == null
? null
: body.string().replace("\n", "");
} catch (IOException e) {
throw new RuntimeException(e.getLocalizedMessage(), e);
}
}
}