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tianea 3 years ago
parent 9cf8f479bc
commit 5832682d55
5 changed files with 666 additions and 0 deletions
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2
tz/user/user-service/src/main/java/com/tz/platform/user/api/biz/ApiUserLoginBiz.java
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@ -10,6 +10,7 @@ import com.tz.platform.repository.LoginLogDao;
import com.tz.platform.repository.UserDao;
import com.tz.platform.user.api.bo.UserLoginPasswordBO;
import com.tz.platform.user.api.dto.UserLoginDTO;
import com.tz.platform.user.chunzhen.IPSeeker;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;
@ -77,6 +78,7 @@ public class ApiUserLoginBiz {
loginLog.setLoginDate(new Date());
loginLog.setClientType(clientType);
loginLog.setLoginStatus(loginStatusEnum.getCode());
loginLog.setLocation( IPSeeker.getInstance().getAddress(ip));
loginLogDao.save(loginLog);
}
}

21
tz/user/user-service/src/main/java/com/tz/platform/user/chunzhen/IPEntry.java
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@ -0,0 +1,21 @@
package com.tz.platform.user.chunzhen;
public class IPEntry {
public String beginIp;
public String endIp;
public String country;
public String area;
/**
* 构造函数
*/
public IPEntry() {
beginIp = endIp = country = area = "";
}
@Override
public String toString() {
return this.area + " " + this.country + "IP范围:" + this.beginIp + "-" + this.endIp;
}
}

17
tz/user/user-service/src/main/java/com/tz/platform/user/chunzhen/IPLocation.java
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package com.tz.platform.user.chunzhen;
public class IPLocation {
public String country;
public String area;
public IPLocation() {
country = area = "";
}
public IPLocation getCopy() {
IPLocation ret = new IPLocation();
ret.country = country;
ret.area = area;
return ret;
}
}

584
tz/user/user-service/src/main/java/com/tz/platform/user/chunzhen/IPSeeker.java
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package com.tz.platform.user.chunzhen;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.ByteOrder;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;
public class IPSeeker {
private static final String IP_FILE = IPSeeker.class.getResource("/QQWry.DAT").toString().substring(5);
// 一些固定常量，比如记录长度等等
private static final int IP_RECORD_LENGTH = 7;
private static final byte AREA_FOLLOWED = 0x01;
private static final byte NO_AREA = 0x2;
// 用来做为cache，查询一个ip时首先查看cache，以减少不必要的重复查找
private Hashtable ipCache;
// 随机文件访问类
private RandomAccessFile ipFile;
// 内存映射文件
private MappedByteBuffer mbb;
// 单一模式实例
private static IPSeeker instance = new IPSeeker();
// 起始地区的开始和结束的绝对偏移
private long ipBegin, ipEnd;
// 为提高效率而采用的临时变量
private IPLocation loc;
private byte[] buf;
private byte[] b4;
private byte[] b3;
/** *//**
* 私有构造函数
*/
private IPSeeker() {
ipCache = new Hashtable();
loc = new IPLocation();
buf = new byte[100];
b4 = new byte[4];
b3 = new byte[3];
try {
ipFile = new RandomAccessFile(IP_FILE, "r");
} catch (FileNotFoundException e) {
System.out.println(IPSeeker.class.getResource("/QQWry.DAT").toString());
System.out.println(IP_FILE);
System.out.println("IP地址信息文件没有找到，IP显示功能将无法使用");
ipFile = null;
}
// 如果打开文件成功，读取文件头信息
if(ipFile != null) {
try {
ipBegin = readLong4(0);
ipEnd = readLong4(4);
if(ipBegin == -1 || ipEnd == -1) {
ipFile.close();
ipFile = null;
}
} catch (IOException e) {
System.out.println("IP地址信息文件格式有错误，IP显示功能将无法使用");
ipFile = null;
}
}
}
/** *//**
* @return 单一实例
*/
public static IPSeeker getInstance() {
return instance;
}
/** *//**
* 给定一个地点的不完全名字，得到一系列包含s子串的IP范围记录
* @param s 地点子串
* @return 包含IPEntry类型的List
*/
public List getIPEntriesDebug(String s) {
List ret = new ArrayList();
long endOffset = ipEnd + 4;
for(long offset = ipBegin + 4; offset <= endOffset; offset += IP_RECORD_LENGTH) {
// 读取结束IP偏移
long temp = readLong3(offset);
// 如果temp不等于-1，读取IP的地点信息
if(temp != -1) {
IPLocation loc = getIPLocation(temp);
// 判断是否这个地点里面包含了s子串，如果包含了，添加这个记录到List中，如果没有，继续
if(loc.country.indexOf(s) != -1 || loc.area.indexOf(s) != -1) {
IPEntry entry = new IPEntry();
entry.country = loc.country;
entry.area = loc.area;
// 得到起始IP
readIP(offset - 4, b4);
entry.beginIp = Utils.getIpStringFromBytes(b4);
// 得到结束IP
readIP(temp, b4);
entry.endIp = Utils.getIpStringFromBytes(b4);
// 添加该记录
ret.add(entry);
}
}
}
return ret;
}
/** *//**
* 给定一个地点的不完全名字，得到一系列包含s子串的IP范围记录
* @param s 地点子串
* @return 包含IPEntry类型的List
*/
public List getIPEntries(String s) {
List ret = new ArrayList();
try {
// 映射IP信息文件到内存中
if(mbb == null) {
FileChannel fc = ipFile.getChannel();
mbb = fc.map(FileChannel.MapMode.READ_ONLY, 0, ipFile.length());
mbb.order(ByteOrder.LITTLE_ENDIAN);
}
int endOffset = (int)ipEnd;
for(int offset = (int)ipBegin + 4; offset <= endOffset; offset += IP_RECORD_LENGTH) {
int temp = readInt3(offset);
if(temp != -1) {
IPLocation loc = getIPLocation(temp);
// 判断是否这个地点里面包含了s子串，如果包含了，添加这个记录到List中，如果没有，继续
if(loc.country.indexOf(s) != -1 || loc.area.indexOf(s) != -1) {
IPEntry entry = new IPEntry();
entry.country = loc.country;
entry.area = loc.area;
// 得到起始IP
readIP(offset - 4, b4);
entry.beginIp = Utils.getIpStringFromBytes(b4);
// 得到结束IP
readIP(temp, b4);
entry.endIp = Utils.getIpStringFromBytes(b4);
// 添加该记录
ret.add(entry);
}
}
}
} catch (IOException e) {
System.out.println(e.getMessage());
}
return ret;
}
/** *//**
* 从内存映射文件的offset位置开始的3个字节读取一个int
* @param offset
* @return
*/
private int readInt3(int offset) {
mbb.position(offset);
return mbb.getInt() & 0x00FFFFFF;
}
/** *//**
* 从内存映射文件的当前位置开始的3个字节读取一个int
* @return
*/
private int readInt3() {
return mbb.getInt() & 0x00FFFFFF;
}
/** *//**
* 根据IP得到国家名
* @param ip ip的字节数组形式
* @return 国家名字符串
*/
public String getCountry(byte[] ip) {
// 检查ip地址文件是否正常
if(ipFile == null) {return "错误的IP数据库文件";}
// 保存ip，转换ip字节数组为字符串形式
String ipStr = Utils.getIpStringFromBytes(ip);
// 先检查cache中是否已经包含有这个ip的结果，没有再搜索文件
if(ipCache.containsKey(ipStr)) {
IPLocation loc = (IPLocation)ipCache.get(ipStr);
return loc.country;
} else {
IPLocation loc = getIPLocation(ip);
ipCache.put(ipStr, loc.getCopy());
return loc.country;
}
}
/** *//**
* 根据IP得到国家名
* @param ip IP的字符串形式
* @return 国家名字符串
*/
public String getCountry(String ip) {
return getCountry(Utils.getIpByteArrayFromString(ip));
}
/** *//**
* 根据IP得到地区名
* @param ip ip的字节数组形式
* @return 地区名字符串
*/
public String getArea(byte[] ip) {
// 检查ip地址文件是否正常
if(ipFile == null) {return "错误的IP数据库文件";}
// 保存ip，转换ip字节数组为字符串形式
String ipStr = Utils.getIpStringFromBytes(ip);
// 先检查cache中是否已经包含有这个ip的结果，没有再搜索文件
if(ipCache.containsKey(ipStr)) {
IPLocation loc = (IPLocation)ipCache.get(ipStr);
return loc.area;
} else {
IPLocation loc = getIPLocation(ip);
ipCache.put(ipStr, loc.getCopy());
return loc.area;
}
}
/** *//**
* 根据IP得到地区名
* @param ip IP的字符串形式
* @return 地区名字符串
*/
public String getArea(String ip) {
return getArea(Utils.getIpByteArrayFromString(ip));
}
/** *//**
* 根据ip搜索ip信息文件，得到IPLocation结构，所搜索的ip参数从类成员ip中得到
* @param ip 要查询的IP
* @return IPLocation结构
*/
private IPLocation getIPLocation(byte[] ip) {
IPLocation info = null;
long offset = locateIP(ip);
if(offset != -1)
{info = getIPLocation(offset);}
if(info == null) {
info = new IPLocation();
info.country = "未知国家";
info.area = "未知地区";
}
return info;
}
/** *//**
* 从offset位置读取4个字节为一个long，因为java为big-endian格式，所以没办法
* 用了这么一个函数来做转换
* @param offset
* @return 读取的long值，返回-1表示读取文件失败
*/
private long readLong4(long offset) {
long ret = 0;
try {
ipFile.seek(offset);
ret |= (ipFile.readByte() & 0xFF);
ret |= ((ipFile.readByte() << 8) & 0xFF00);
ret |= ((ipFile.readByte() << 16) & 0xFF0000);
ret |= ((ipFile.readByte() << 24) & 0xFF000000);
return ret;
} catch (IOException e) {
return -1;
}
}
/** *//**
* 从offset位置读取3个字节为一个long，因为java为big-endian格式，所以没办法
* 用了这么一个函数来做转换
* @param offset
* @return 读取的long值，返回-1表示读取文件失败
*/
private long readLong3(long offset) {
long ret = 0;
try {
ipFile.seek(offset);
ipFile.readFully(b3);
ret |= (b3[0] & 0xFF);
ret |= ((b3[1] << 8) & 0xFF00);
ret |= ((b3[2] << 16) & 0xFF0000);
return ret;
} catch (IOException e) {
return -1;
}
}
/** *//**
* 从当前位置读取3个字节转换成long
* @return
*/
private long readLong3() {
long ret = 0;
try {
ipFile.readFully(b3);
ret |= (b3[0] & 0xFF);
ret |= ((b3[1] << 8) & 0xFF00);
ret |= ((b3[2] << 16) & 0xFF0000);
return ret;
} catch (IOException e) {
return -1;
}
}
/** *//**
* 从offset位置读取四个字节的ip地址放入ip数组中，读取后的ip为big-endian格式，但是
* 文件中是little-endian形式，将会进行转换
* @param offset
* @param ip
*/
private void readIP(long offset, byte[] ip) {
try {
ipFile.seek(offset);
ipFile.readFully(ip);
byte temp = ip[0];
ip[0] = ip[3];
ip[3] = temp;
temp = ip[1];
ip[1] = ip[2];
ip[2] = temp;
} catch (IOException e) {
System.out.println(e.getMessage());
}
}
/** *//**
* 从offset位置读取四个字节的ip地址放入ip数组中，读取后的ip为big-endian格式，但是
* 文件中是little-endian形式，将会进行转换
* @param offset
* @param ip
*/
private void readIP(int offset, byte[] ip) {
mbb.position(offset);
mbb.get(ip);
byte temp = ip[0];
ip[0] = ip[3];
ip[3] = temp;
temp = ip[1];
ip[1] = ip[2];
ip[2] = temp;
}
/** *//**
* 把类成员ip和beginIp比较，注意这个beginIp是big-endian的
* @param ip 要查询的IP
* @param beginIp 和被查询IP相比较的IP
* @return 相等返回0，ip大于beginIp则返回1，小于返回-1。
*/
private int compareIP(byte[] ip, byte[] beginIp) {
for(int i = 0; i < 4; i++) {
int r = compareByte(ip[i], beginIp[i]);
if(r != 0){
return r;
}
}
return 0;
}
/** *//**
* 把两个byte当作无符号数进行比较
* @param b1
* @param b2
* @return 若b1大于b2则返回1，相等返回0，小于返回-1
*/
private int compareByte(byte b1, byte b2) {
if((b1 & 0xFF) > (b2 & 0xFF)) // 比较是否大于
{ return 1;}
else if((b1 ^ b2) == 0)// 判断是否相等
{return 0;}
else
{ return -1;}
}
/** *//**
* 这个方法将根据ip的内容，定位到包含这个ip国家地区的记录处，返回一个绝对偏移
* 方法使用二分法查找。
* @param ip 要查询的IP
* @return 如果找到了，返回结束IP的偏移，如果没有找到，返回-1
*/
private long locateIP(byte[] ip) {
long m = 0;
int r;
// 比较第一个ip项
readIP(ipBegin, b4);
r = compareIP(ip, b4);
if(r == 0) { return ipBegin;}
else if(r < 0) {return -1;}
// 开始二分搜索
for(long i = ipBegin, j = ipEnd; i < j; ) {
m = getMiddleOffset(i, j);
readIP(m, b4);
r = compareIP(ip, b4);
// log.debug(Utils.getIpStringFromBytes(b));
if(r > 0)
{ i = m;}
else if(r < 0) {
if(m == j) {
j -= IP_RECORD_LENGTH;
m = j;
} else
{j = m;}
} else
{ return readLong3(m + 4);}
}
// 如果循环结束了，那么i和j必定是相等的，这个记录为最可能的记录，但是并非
// 肯定就是，还要检查一下，如果是，就返回结束地址区的绝对偏移
m = readLong3(m + 4);
readIP(m, b4);
r = compareIP(ip, b4);
if(r <= 0) { return m;}
else { return -1;}
}
/** *//**
* 得到begin偏移和end偏移中间位置记录的偏移
* @param begin
* @param end
* @return
*/
private long getMiddleOffset(long begin, long end) {
long records = (end - begin) / IP_RECORD_LENGTH;
records >>= 1;
if(records == 0) {records = 1;}
return begin + records * IP_RECORD_LENGTH;
}
/** *//**
* 给定一个ip国家地区记录的偏移，返回一个IPLocation结构
* @param offset
* @return
*/
private IPLocation getIPLocation(long offset) {
try {
// 跳过4字节ip
ipFile.seek(offset + 4);
// 读取第一个字节判断是否标志字节
byte b = ipFile.readByte();
if(b == AREA_FOLLOWED) {
// 读取国家偏移
long countryOffset = readLong3();
// 跳转至偏移处
ipFile.seek(countryOffset);
// 再检查一次标志字节，因为这个时候这个地方仍然可能是个重定向
b = ipFile.readByte();
if(b == NO_AREA) {
loc.country = readString(readLong3());
ipFile.seek(countryOffset + 4);
} else
{ loc.country = readString(countryOffset);}
// 读取地区标志
loc.area = readArea(ipFile.getFilePointer());
} else if(b == NO_AREA) {
loc.country = readString(readLong3());
loc.area = readArea(offset + 8);
} else {
loc.country = readString(ipFile.getFilePointer() - 1);
loc.area = readArea(ipFile.getFilePointer());
}
return loc;
} catch (IOException e) {
return null;
}
}
/** *//**
* @param offset
* @return
*/
private IPLocation getIPLocation(int offset) {
// 跳过4字节ip
mbb.position(offset + 4);
// 读取第一个字节判断是否标志字节
byte b = mbb.get();
if(b == AREA_FOLLOWED) {
// 读取国家偏移
int countryOffset = readInt3();
// 跳转至偏移处
mbb.position(countryOffset);
// 再检查一次标志字节，因为这个时候这个地方仍然可能是个重定向
b = mbb.get();
if(b == NO_AREA) {
loc.country = readString(readInt3());
mbb.position(countryOffset + 4);
} else
{ loc.country = readString(countryOffset);}
// 读取地区标志
loc.area = readArea(mbb.position());
} else if(b == NO_AREA) {
loc.country = readString(readInt3());
loc.area = readArea(offset + 8);
} else {
loc.country = readString(mbb.position() - 1);
loc.area = readArea(mbb.position());
}
return loc;
}
/** *//**
* 从offset偏移开始解析后面的字节，读出一个地区名
* @param offset
* @return 地区名字符串
* @throws IOException
*/
private String readArea(long offset) throws IOException {
ipFile.seek(offset);
byte b = ipFile.readByte();
if(b == 0x01 || b == 0x02) {
long areaOffset = readLong3(offset + 1);
if(areaOffset == 0)
{ return "未知地区";}
else
{ return readString(areaOffset);}
} else
{ return readString(offset);}
}
/** *//**
* @param offset
* @return
*/
private String readArea(int offset) {
mbb.position(offset);
byte b = mbb.get();
if(b == 0x01 || b == 0x02) {
int areaOffset = readInt3();
if(areaOffset == 0)
{return "未知地区";}
else
{ return readString(areaOffset);}
} else
{ return readString(offset);}
}
/** *//**
* 从offset偏移处读取一个以0结束的字符串
* @param offset
* @return 读取的字符串，出错返回空字符串
*/
private String readString(long offset) {
try {
ipFile.seek(offset);
int i;
for(i = 0, buf[i] = ipFile.readByte(); buf[i] != 0; buf[++i] = ipFile.readByte());
if(i != 0)
{ return Utils.getString(buf, 0, i, "GBK");}
} catch (IOException e) {
System.out.println(e.getMessage());
}
return "";
}
/** *//**
* 从内存映射文件的offset位置得到一个0结尾字符串
* @param offset
* @return
*/
private String readString(int offset) {
try {
mbb.position(offset);
int i;
for(i = 0, buf[i] = mbb.get(); buf[i] != 0; buf[++i] = mbb.get());
if(i != 0)
{return Utils.getString(buf, 0, i, "GBK");}
} catch (IllegalArgumentException e){
System.out.println(e.getMessage());
}
return "";
}
public String getAddress(String ip){
String country = getCountry(ip).equals(" CZ88.NET")?"":getCountry(ip);
String area = getArea(ip).equals(" CZ88.NET")?"":getArea(ip);
String address = country+" "+area;
return address.trim();
}
public static void main(String args[]) {
// List list=IPSeeker.getInstance().getIPEntriesDebug("浙江省杭州市");
// System.out.println(list.size());
String address = IPSeeker.getInstance().getAddress("39.156.66.18");
System.out.println(address);
}
}

42
tz/user/user-service/src/main/java/com/tz/platform/user/chunzhen/Utils.java
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package com.tz.platform.user.chunzhen;
import java.io.UnsupportedEncodingException;
import java.util.StringTokenizer;
public class Utils {
private static StringBuilder sb = new StringBuilder();
public static String getString(byte[] b,int offset,int len ,String encoding){
try {
return new String(b, offset, len, encoding);
} catch (UnsupportedEncodingException e) {
return new String(b, offset, len);
}
}
public static byte[] getIpByteArrayFromString(String ip){
byte[] ret = new byte[4];
StringTokenizer st = new StringTokenizer(ip, ".");
try {
ret[0] = (byte)(Integer.parseInt(st.nextToken()) & 0xFF);
ret[1] = (byte)(Integer.parseInt(st.nextToken()) & 0xFF);
ret[2] = (byte)(Integer.parseInt(st.nextToken()) & 0xFF);
ret[3] = (byte)(Integer.parseInt(st.nextToken()) & 0xFF);
} catch (Exception e) {
// LogFactory.log("从ip的字符串形式得到字节数组形式报错", Level.ERROR, e);
e.printStackTrace();
}
return ret;
}
public static String getIpStringFromBytes(byte[] ip){
sb.delete(0, sb.length());
sb.append(ip[0] & 0xFF);
sb.append('.');
sb.append(ip[1] & 0xFF);
sb.append('.');
sb.append(ip[2] & 0xFF);
sb.append('.');
sb.append(ip[3] & 0xFF);
return sb.toString();
}
}
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