标签:group tail Servle 客户端 header system mem put tcl
参考:
https://github.com/lionsoul2014/ip2region
https://www.keppel.fun/articles/2019/06/15/1560590277332.html
https://my.oschina.net/wangmengjun/blog/815697
https://www.jianshu.com/p/95ba828d9a8c
https://blog.csdn.net/yqwang75457/article/details/56489391
原理:使用离线数据地址库查找ip
maven仓库地址:
<dependency>
<groupId>org.lionsoul</groupId>
<artifactId>ip2region</artifactId>
<version>1.7.2</version>
</dependency>
package cn.factorybox.common.utils;
import cn.factorybox.common.entity.Constant;
import org.lionsoul.ip2region.DataBlock;
import org.lionsoul.ip2region.DbConfig;
import org.lionsoul.ip2region.DbSearcher;
import org.lionsoul.ip2region.Util;
import javax.servlet.http.HttpServletRequest;
import java.io.File;
import java.lang.reflect.Method;
import java.net.InetAddress;
import java.net.UnknownHostException;
/**
* Ip工具类,获取ip
*/
public class IpUtils {
// 获取ip地址
public static String getIpAddr(HttpServletRequest request) {
String ipAddress = null;
try {
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 (ipAddress.equals("127.0.0.1")) {
// 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
if (ipAddress != null && ipAddress.length() > 15) { // "***.***.***.***".length()
// = 15
if (ipAddress.indexOf(",") > 0) {
ipAddress = ipAddress.substring(0, ipAddress.indexOf(","));
}
}
} catch (Exception e) {
ipAddress="";
}
return ipAddress;
}
// 根据ip地址获取城市
public static String getCityInfo(String ip){
//db
// String dbPath = IpUtils.class.getResource("/ip2region.db").getPath();
String dbPath = Constant.DB_PATH;
File file = new File(dbPath);
if ( file.exists() == false ) {
System.out.println("Error: Invalid ip2region.db file");
}
//查询算法
int algorithm = DbSearcher.BTREE_ALGORITHM; //B-tree
//DbSearcher.BINARY_ALGORITHM //Binary
//DbSearcher.MEMORY_ALGORITYM //Memory
try {
DbConfig config = new DbConfig();
DbSearcher searcher = new DbSearcher(config, dbPath);
//define the method
Method method = null;
switch ( algorithm )
{
case DbSearcher.BTREE_ALGORITHM:
method = searcher.getClass().getMethod("btreeSearch", String.class);
break;
case DbSearcher.BINARY_ALGORITHM:
method = searcher.getClass().getMethod("binarySearch", String.class);
break;
case DbSearcher.MEMORY_ALGORITYM:
method = searcher.getClass().getMethod("memorySearch", String.class);
break;
}
DataBlock dataBlock = null;
if ( Util.isIpAddress(ip) == false ) {
System.out.println("Error: Invalid ip address");
}
dataBlock = (DataBlock) method.invoke(searcher, ip);
return dataBlock.getRegion();
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
}
location /prod-api {
# 配置此处用于获取客户端的真实IP
proxy_set_header Host $http_host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_pass http://localhost:xxxx/api;
}
标签:group tail Servle 客户端 header system mem put tcl
原文地址:https://www.cnblogs.com/flypig666/p/12842107.html