com.github.sylphlike.framework.utils.general.IPUtils Maven / Gradle / Ivy
package com.github.sylphlike.framework.utils.general;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.servlet.http.HttpServletRequest;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.InputStreamReader;
import java.net.*;
import java.util.Enumeration;
/**
* IP地址工具类
* time 10/09/2020 18:19 星期四 (dd/MM/YYYY HH:mm)
*
email [email protected]
* @author Gopal.pan
* @version 1.0.0
*/
public class IPUtils {
private static final Logger LOGGER = LoggerFactory.getLogger(IPUtils.class);
/** 获取IP地址区域服务(淘宝提供) */
private static final String IP_SERVER_ADDRESS = "http://ip.taobao.com/service/getIpInfo.php";
/**
* 获取用户真实IP地址
*
不使用request.getRemoteAddr()的原因是有可能用户使用了代理软件方式避免真实IP地址, 如果通过了多级反向代理的话，X-Forwarded-For的值并不止一个，而是一串IP值
*
time 11:02 2021/1/5 (HH:mm yyyy/MM/dd)
*
email [email protected]
* @param request request对象
* @return java.lang.String
* @author Gopal.pan
*/
public static String clientRealIP(HttpServletRequest request) {
String ip = request.getHeader("x-forwarded-for");
if (ip != null && ip.length() != 0 && !"unknown".equalsIgnoreCase(ip)) {
// 多次反向代理后会有多个ip值，第一个ip才是真实ip
if( ip.contains(",")){
ip = ip.split(",")[0];
}
}
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.getHeader("X-Real-IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getRemoteAddr();
}
return ip;
}
/**
* 获取获取服务器IP地址 多网卡版
*
time 10:28 2021/1/5 (HH:mm yyyy/MM/dd)
*
email [email protected]
* @return java.lang.String
* @author Gopal.pan
*/
public static String serverIPAddrMoreNetWork() {
try {
//一个主机有多个网络接口
Enumeration netInterfaces = NetworkInterface.getNetworkInterfaces();
while (netInterfaces.hasMoreElements()) {
NetworkInterface netInterface = netInterfaces.nextElement();
//每个网络接口,都会有多个"网络地址",比如一定会有loopback地址,会有siteLocal地址等.以及IPV4或者IPV6 .
Enumeration addresses = netInterface.getInetAddresses();
while (addresses.hasMoreElements()) {
InetAddress address = addresses.nextElement();
//get only :172.*,192.*,10.*
if (address.isSiteLocalAddress() && !address.isLoopbackAddress()) {
return address.getHostAddress();
}
}
}
} catch (SocketException e) {
LOGGER.error("【framework-utils】获取服务器ID地址异常",e);
}
return null;
}
/**
* 获取服务器IP地址
* time 11:02 2021/1/5 (HH:mm yyyy/MM/dd)
*
email [email protected]
* @return java.lang.String
* @author Gopal.pan
*/
public static String serverIPAddrSingleNetwork(){
try {
InetAddress address = InetAddress.getLocalHost();
return address.getHostAddress();
} catch (UnknownHostException e) {
e.printStackTrace();
}
return null;
}
private static String getServerResult(String ipAddress) {
HttpURLConnection connection = null;
try {
URL url = new URL(IP_SERVER_ADDRESS);
connection = (HttpURLConnection) url.openConnection();
connection.setConnectTimeout(3000);
connection.setReadTimeout(3000);
connection.setDoInput(true);
connection.setDoOutput(true);
connection.setRequestMethod("POST");
connection.setUseCaches(false);
connection.connect();
DataOutputStream out = new DataOutputStream(connection.getOutputStream());
out.writeBytes(ipAddress);
out.flush();
out.close();
BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream(), "utf-8"));
StringBuffer buffer = new StringBuffer();
String line = "";
while ((line = reader.readLine()) != null) {
buffer.append(line);
}
reader.close();
return buffer.toString();
} catch (Exception e) {
e.printStackTrace();
} finally {
connection.disconnect();
}
return null;
}
private static String decodeUnicode(String unicodeString){
char aChar;
int len = unicodeString.length();
StringBuffer buffer = new StringBuffer(len);
for (int i = 0; i < len;) {
aChar = unicodeString.charAt(i++);
if(aChar == '\\'){
aChar = unicodeString.charAt(i++);
if(aChar == 'u'){
int val = 0;
for(int j = 0; j < 4; j++){
aChar = unicodeString.charAt(i++);
switch (aChar) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
val = (val << 4) + aChar - '0';
break;
case 'a':
case 'b':
case 'c':
case 'd':
case 'e':
case 'f':
val = (val << 4) + 10 + aChar - 'a';
break;
case 'A':
case 'B':
case 'C':
case 'D':
case 'E':
case 'F':
val = (val << 4) + 10 + aChar - 'A';
break;
default:
throw new IllegalArgumentException("Malformed encoding");
}
}
buffer.append((char) val);
}else{
if(aChar == 't'){
aChar = '\t';
}
if(aChar == 'r'){
aChar = '\r';
}
if(aChar == 'n'){
aChar = '\n';
}
if(aChar == 'f'){
aChar = '\f';
}
buffer.append(aChar);
}
}else{
buffer.append(aChar);
}
}
return buffer.toString();
}
}