java配置nginx网络安全，防止国外ip访问，自动添加黑名单，需手动重新加载nginx

通过访问日志自动添加国外ip黑名单

创建一个类，自己添加一个main启动类即可测试

import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.json.JSONArray;
import org.json.JSONObject;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;import java.io.*;
import java.net.URL;
import java.net.URLConnection;
import java.text.SimpleDateFormat;
import java.util.*;
import java.util.stream.Collectors;import static java.lang.Character.LINE_SEPARATOR;@Slf4j
@Component
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class SecurityIp {private final static String[] privinces = {"北京市", "天津市", "河北省", "山西省", "内蒙古", "辽宁省", "吉林省", "黑龙江省", "上海市", "江苏省", "浙江省", "安徽省", "福建省", "江西省", "山东省", "河南省", "湖北省", "湖南省", "广东省", "广西", "海南省", "重庆市", "四川省", "贵州省", "云南省", "西藏", "陕西省", "甘肃省", "青海省", "宁夏", "新疆", "台湾省", "香港", "澳门", "此IP属于本地局域网","本地局域网"};//nginx的工作空间private final static String nginxPath = "F:/zty/testlinux/usr/local/nginx/";//nging的access.log路径private final static String logPath = nginxPath + "logs/access.log";//黑名单配置文件路径private final static String blackListPath = nginxPath + "conf/blackListIp.conf";private final static String blackListLogPath = nginxPath + "conf/blackListIpLog.log";//启动脚本文件路径private final static String binPath = nginxPath + "";private static String getAddressByIp(String ip) {try {URL url = new URL("http://opendata.baidu.com/api.php?query=" + ip + "&co=&resource_id=6006&t=1433920989928&ie=utf8&oe=utf-8&format=json");URLConnection conn = url.openConnection();BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));String line = null;StringBuffer result = new StringBuffer();while ((line = reader.readLine()) != null) {result.append(line);}reader.close();JSONObject jsStr = new JSONObject(result.toString());JSONArray jsData = (JSONArray) jsStr.get("data");JSONObject data = (JSONObject) jsData.get(0);//位置return (String) data.get("location");} catch (IOException e) {log.error("getAddressByIp error, ip={},msg={}", ip, e);return null;}}/*** 扫描非法IP* 每隔30秒扫描一次非法IP并加入黑名单*/@Scheduled(fixedDelay = 3000)public void scanForIllegalIP() throws Exception {List<String> ips = getIps();// 将当前检测国外ip加入黑名单并且返回if(ips.size() > 0) {SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");System.out.println("deny,国外ip:" + ips + "已写入nginx黑名单列表"+sdf.format(new Date()));}}/*** 获取国外ip** @return*/private List<String> getIps() {File file = new File(logPath);if (!file.exists()) {log.error("{} not exists", logPath);return null;}try {List<String> lines = new ArrayList<>();try (BufferedReader reader = new BufferedReader(new FileReader(file))) {String line;while ((line = reader.readLine()) != null) {// 获取access.log中ipString ip = line.substring(0, line.indexOf(" - - ["));if (!ip.equals("127.0.0.1")) {String securityIps = securityIps(ip);// 校验ip是否是国外ip，如果是的写入黑名单if (Objects.nonNull(securityIps) && !securityIps.isEmpty()) {lines.add(securityIps);// 国外ip加入黑名单的相应}}}}return lines;} catch (IOException e) {throw new RuntimeException(e);}}/*** 将ip写入黑名单** @param ip* @return*/private String securityIps(String ip) {String location = getAddressByIp(ip);if (Objects.nonNull(location) && privinces.length > 0) {List<String> lines = new ArrayList<>();List<String> notIps = Arrays.stream(privinces).filter(p -> p.contains(location)).collect(Collectors.toList());if (Objects.nonNull(notIps) && notIps.size() == 0) {// 写入黑名单时先查询此ip是否写入黑名单File isExsitfile = new File(blackListPath);if (!isExsitfile.exists()) {log.error("{} not exists", logPath);return null;}try {try (BufferedReader reader = new BufferedReader(new FileReader(isExsitfile))) {String line;while ((line = reader.readLine()) != null) {// 获取blackListIp.conf,判断是否已经写入if (Objects.nonNull(line) && !line.isEmpty() && !line.contains("127.0.0.1") && !line.contains("#")) {String newLines = line.replace(" deny ", "").replace(";", "");lines.add(newLines);}}}} catch (IOException e) {throw new RuntimeException(e);}}//第二步,写入非法IP进nginx的blackList文件try {List<String> isExit = lines.stream().filter(line -> line.contains(ip)).collect(Collectors.toList());if (notIps.size()==0&&isExit.size() == 0) {// 国外ip不在白名单中并且没有写入黑名单File file = new File(blackListPath);FileWriter out = new FileWriter(file, true);BufferedWriter bw = new BufferedWriter(out);bw.write(LINE_SEPARATOR);bw.write(" deny " + ip + ";");bw.flush();bw.close();log.info("国外:" + location + "IP:{} 已写入nginx黑名单列表", ip);// 写入nginx黑名单日志File blackListLog = new File(blackListLogPath);FileWriter blackListout = new FileWriter(blackListLog, true);BufferedWriter blackListbw = new BufferedWriter(blackListout);blackListbw.write(LINE_SEPARATOR);SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");blackListbw.write("deny,国外:" + location + ip + "已写入nginx黑名单列表"+sdf.format(new Date()));blackListbw.flush();blackListbw.close();return ip;}} catch (IOException e) {throw new RuntimeException(e);}}return "";}
}