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/**
* Copyright (c) 2012-present 铭软科技(mingsoft.net)
* 本软件及相关文档文件（以下简称“软件”）的版权归 铭软科技 所有
* 遵循 铭软科技《服务协议》中的《保密条款》
*/
package net.mingsoft.basic.util;
import cn.hutool.core.img.FontUtil;
import cn.hutool.core.io.FileUtil;
import cn.hutool.core.io.IoUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.ReUtil;
import cn.hutool.http.HttpUtil;
import cn.hutool.json.JSONUtil;
import org.apache.commons.lang3.StringUtils;
import org.lionsoul.ip2region.DataBlock;
import org.lionsoul.ip2region.DbConfig;
import org.lionsoul.ip2region.DbSearcher;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.core.io.support.ResourcePatternResolver;
import org.springframework.util.ResourceUtils;
import java.io.File;
import java.io.InputStream;
import java.lang.reflect.Method;
import java.net.InetAddress;
import java.net.URL;
import java.net.UnknownHostException;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Pattern;
/**
* @ClassName: IpUtils
* @Description: TODO(ip工具类)
* @author 铭软开发团队
* @date 2020年7月2日
* 修订记录 2022-3-14 getRealAddressByIp() 从ip.ws.126.net获取改为本地获取
*/
public class IpUtils {
private static final Logger LOG = LoggerFactory.getLogger(IpUtils.class);
public static final String IP_URL = "https://www.ip.cn/api/index?ip=%s&type=1";
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 (ObjectUtil.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:
switch (b1) {
case SECTION_6:
return true;
default:
//throw new IllegalStateException("Unexpected value: " + b1);
//如果不在范围全部都可以理解内网ip，不能直接跑出上面的异常否则会导致登录失败
return true;
}
default:
return false;
}
}
/**
* 通过IP获取地理位置
* @param ip
* @return
*/
public static String getRealAddressByIp(String ip) {
String address = "XX XX";
// 内网不查询
if (IpUtils.internalIp(ip)) {
return "内网IP";
}
try {
ResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
org.springframework.core.io.Resource[] resources = resolver.getResources("ip2region.db");
if (resources.length > 0 && resources[0].exists()){//若有db文件则本地获取
LOG.debug("通过ip2region.db获取ip");
InputStream inputStream =resources[0].getInputStream();
byte[] dbBinStr = IoUtil.readBytes(inputStream);
//根据ip进行位置信息搜索
DbConfig config = new DbConfig();
//获取ip库的位置（放在resources下）
DbSearcher searcher = new DbSearcher(config, dbBinStr);
//采用Btree搜索
DataBlock block = searcher.memorySearch(ip);
String region = block.getRegion();
String[] city = region.split("\\|");
if (city[2].equals("0") || city[3].equals("0")) {
LOG.debug("获取地理位置异常 {}", ip);
return "地址库未收录";
}
address = region.replaceAll("0","").replaceAll("\\|"," ");
}else {//通过ip.ws.126.net获取
LOG.debug("通过{}获取ip",IP_URL);
String rest = HttpUtil.get(String.format(IP_URL,ip));
if (StringUtils.isEmpty(rest)) {
LOG.debug("获取地理位置异常 {}", ip);
return address;
}
address = JSONUtil.parseObj(rest).get("address").toString();
}
LOG.debug("ip{}",ip);
} catch (Exception e) {
LOG.error("获取地理位置异常 {}", ip);
e.printStackTrace();
}
return address;
}
/**
* 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;
}
public static String getHostIp() {
try {
return InetAddress.getLocalHost().getHostAddress();
} catch (UnknownHostException e) {
}
return "127.0.0.1";
}
public static String getHostName() {
try {
return InetAddress.getLocalHost().getHostName();
} catch (UnknownHostException e) {
}
return "未知";
}
}