【Java工具类合集】IpUtil-常用IP相关工具类
话不多说，直接上代码，记得一键三连哦~
IpUtil.java
import com.xgg.common.utils.str.StringUtils;
import lombok.extern.slf4j.Slf4j;
import javax.servlet.http.HttpServletRequest;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.HashMap;
import java.util.Map;
/**
* IP相关工具类
*
* @author xiegege
* @date 2021/02/22 16:08
*/
@Slf4j
public class IpUtil {
/**
* 获取当前网络ip
*/
public static String getIpAddr(HttpServletRequest request) {
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.getRemoteAddr();
if ("127.0.0.1".equals(ipAddress) || "0:0:0:0:0:0:0:1".equals(ipAddress)) {
// 根据网卡取本机配置的IP
InetAddress inet = null;
try {
inet = InetAddress.getLocalHost();
} catch (UnknownHostException e) {
e.printStackTrace();
}
ipAddress = inet.getHostAddress();
}
}
//对于通过多个代理的情况，第一个IP为客户端真实IP,多个IP按照','分割 //"***.***.***.***".length() = 15
if (ipAddress != null && ipAddress.length() > 15) {
if (ipAddress.indexOf(",") > 0) {
ipAddress = ipAddress.substring(0, ipAddress.indexOf(","));
}
}
return ipAddress;
}
/**
* 获取真实IP
*/
public static String getRealIp(HttpServletRequest request) {
String ip = request.getHeader("x-forwarded-for");
return checkIp(ip) ? ip : (
checkIp(ip = request.getHeader("Proxy-Client-IP")) ? ip : (
checkIp(ip = request.getHeader("WL-Proxy-Client-IP")) ? ip :
request.getRemoteAddr()));
}
/**
* 校验IP
*/
private static boolean checkIp(String ip) {
return !StringUtils.isEmpty(ip) && !"unknown".equalsIgnoreCase(ip);
}
/**
* 获取操作系统,浏览器及浏览器版本信息
*/
public static Map<String, String> getOsAndBrowserInfo(HttpServletRequest request) {
String userAgent = request.getHeader("User-Agent");
String user = userAgent.toLowerCase();
String os;
String browser = "";
//=================OS Info=======================
if (userAgent.toLowerCase().contains("windows")) {
os = "Windows";
} else if (userAgent.toLowerCase().contains("mac")) {
os = "Mac";
} else if (userAgent.toLowerCase().contains("x11")) {
os = "Unix";
} else if (userAgent.toLowerCase().contains("android")) {
os = "Android";
} else if (userAgent.toLowerCase().contains("iphone")) {
os = "IPhone";
} else {
os = "UnKnown, More-Info: " + userAgent;
}
//===============Browser===========================
try {
if (user.contains("edge")) {
browser = (userAgent.substring(userAgent.indexOf("Edge")).split(" ")[0]).replace("/", "-");
} else if (user.contains("msie")) {
String substring = userAgent.substring(userAgent.indexOf("MSIE")).split(";")[0];
browser = substring.split(" ")[0].replace("MSIE", "IE") + "-" + substring.split(" ")[1];
} else if (user.contains("safari") && user.contains("version")) {
browser = (userAgent.substring(userAgent.indexOf("Safari")).split(" ")[0]).split("/")[0]
+ "-" + (userAgent.substring(userAgent.indexOf("Version")).split(" ")[0]).split("/")[1];
} else if (user.contains("opr") || user.contains("opera")) {
if (user.contains("opera")) {
browser = (userAgent.substring(userAgent.indexOf("Opera")).split(" ")[0]).split("/")[0]
+ "-" + (userAgent.substring(userAgent.indexOf("Version")).split(" ")[0]).split("/")[1];
} else if (user.contains("opr")) {
browser = ((userAgent.substring(userAgent.indexOf("OPR")).split(" ")[0]).replace("/", "-"))
.replace("OPR", "Opera");
}
} else if (user.contains("chrome")) {
browser = (userAgent.substring(userAgent.indexOf("Chrome")).split(" ")[0]).replace("/", "-");
} else if ((user.contains("mozilla/7.0")) || (user.contains("netscape6")) ||
(user.contains("mozilla/4.7")) || (user.contains("mozilla/4.78")) ||
(user.contains("mozilla/4.08")) || (user.contains("mozilla/3"))) {
browser = "Netscape-?";
} else if (user.contains("firefox")) {
browser = (userAgent.substring(userAgent.indexOf("Firefox")).split(" ")[0]).replace("/", "-");
} else if (user.contains("rv")) {
String ieVersion = (userAgent.substring(userAgent.indexOf("rv")).split(" ")[0]).replace("rv:", "-");
browser = "IE" + ieVersion.substring(0, ieVersion.length() - 1);
} else {
browser = "UnKnown";
}
} catch (Exception e) {
log.error("获取浏览器版本失败");
log.error(e.getMessage());
browser = "UnKnown";
}
Map<String, String> result = new HashMap<>(2);
result.put("OS", os);
result.put("BROWSER", browser);
return result;
}
/**
* 判断是否是内网IP
*/
public static boolean internalIp(String ip) {
byte[] addr = textToNumericFormatV4(ip);
return internalIp(addr) || "127.0.0.1".equals(ip);
}
private static boolean internalIp(byte[] addr) {
if (StringUtils.isNull(addr) || addr.length < 2) {
return true;
}
final byte b0 = addr[0];
final byte b1 = addr[1];
// 10.x.x.x/8
final byte SECTION_1 = 0x0A;
// 172.16.x.x/12
final byte SECTION_2 = (byte) 0xAC;
final byte SECTION_3 = (byte) 0x10;
final byte SECTION_4 = (byte) 0x1F;
// 192.168.x.x/16
final byte SECTION_5 = (byte) 0xC0;
final byte SECTION_6 = (byte) 0xA8;
switch (b0) {
case SECTION_1:
return true;
case SECTION_2:
if (b1 >= SECTION_3 && b1 <= SECTION_4) {
return true;
}
case SECTION_5:
if (b1 == SECTION_6) {
return true;
}
default:
return false;
}
}
/**
* 将IPv4地址转换成字节
*
* @param text IPv4地址
* @return byte 字节
*/
public static byte[] textToNumericFormatV4(String text) {
if (text.length() == 0) {
return null;
}
byte[] bytes = new byte[4];
String[] elements = text.split("\\.", -1);
try {
long l;
int i;
switch (elements.length) {
case 1:
l = Long.parseLong(elements[0]);
if ((l < 0L) || (l > 4294967295L)) {
return null;
}
bytes[0] = (byte) (int) (l >> 24 & 0xFF);
bytes[1] = (byte) (int) ((l & 0xFFFFFF) >> 16 & 0xFF);
bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
bytes[3] = (byte) (int) (l & 0xFF);
break;
case 2:
l = Integer.parseInt(elements[0]);
if ((l < 0L) || (l > 255L)) {
return null;
}
bytes[0] = (byte) (int) (l & 0xFF);
l = Integer.parseInt(elements[1]);
if ((l < 0L) || (l > 16777215L)) {
return null;
}
bytes[1] = (byte) (int) (l >> 16 & 0xFF);
bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
bytes[3] = (byte) (int) (l & 0xFF);
break;
case 3:
for (i = 0; i < 2; ++i) {
l = Integer.parseInt(elements[i]);
if ((l < 0L) || (l > 255L)) {
return null;
}
bytes[i] = (byte) (int) (l & 0xFF);
}
l = Integer.parseInt(elements[2]);
if ((l < 0L) || (l > 65535L)) {
return null;
}
bytes[2] = (byte) (int) (l >> 8 & 0xFF);
bytes[3] = (byte) (int) (l & 0xFF);
break;
case 4:
for (i = 0; i < 4; ++i) {
l = Integer.parseInt(elements[i]);
if ((l < 0L) || (l > 255L)) {
return null;
}
bytes[i] = (byte) (int) (l & 0xFF);
}
break;
default:
return null;
}
} catch (NumberFormatException e) {
return null;
}
return bytes;
}
/**
* 获取IP
*/
public static String getHostIp() {
try {
return InetAddress.getLocalHost().getHostAddress();
} catch (UnknownHostException e) {
e.printStackTrace();
}
return "127.0.0.1";
}
/**
* 获取主机名
*/
public static String getHostName() {
try {
return InetAddress.getLocalHost().getHostName();
} catch (UnknownHostException e) {
e.printStackTrace();
}
return "未知";
}
}