解决目标URL存在http host头攻击漏洞

    <filter>
      <filter-name>HttpHostFilter</filter-name>
      <filter-class>com.ytd.httpHostHeaderfilter.HttpHostFilter</filter-class>
  </filter>
 
  <filter-mapping>
      <filter-name>HttpHostFilter</filter-name>
      <url-pattern>*.ht</url-pattern>
  </filter-mapping>

package com.httpHostHeaderfilter;


import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.hotent.core.util.StringUtil;

public class HttpHostFilter implements Filter {
    protected Logger logger = LoggerFactory.getLogger(HttpHostFilter.class);
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        
    }
    
    @Override
    public void destroy() {
        
    }

    @Override
    public void doFilter(ServletRequest req, ServletResponse res, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) req;
        HttpServletResponse response = (HttpServletResponse) res;
        //加上“点击劫持：X-Frame-Options未配置”配置
        response.addHeader("X-Frame-Options","SAMEORIGIN");
        //加上检测到目标Content-Security-Policy响应头缺失的问题修复
        response.addHeader("Content-Security-Policy","object-src 'self'");
        //关于检测到目标X-Content-Type-Options响应头缺失的问题修复
        response.addHeader("X-Content-Type-Options","nosniff");
        //关于检测到目标X-XSS-Protection响应头缺失的问题修复
        response.addHeader("X-XSS-Protection","1; mode=block");
        //关于检测到目标Strict-Transport-Security响应头缺失的问题修复
        response.addHeader("Strict-Transport-Security","max-age=63072000; includeSubdomains; preload");
        //关于检测到目标Referer-Policy响应头缺失的问题修复
        response.addHeader("Referer-Policy","origin");
        //关于检测到目标X-Permitted-Cross-Domain-Policies响应头缺失的问题修复
        response.addHeader("X-Permitted-Cross-Domain-Policies","master-only");
        //关于检测到目标X-Download-Options响应头缺失的问题修复
        response.addHeader("X-Download-Options","noopen");
        
        //关于  CORS跨域资源共享漏洞
        response.addHeader("Access-Control-Allow-Origin", "");
        response.addHeader("Access-Control-Allow-Methods", "GET, POST, OPTIONS");
        response.addHeader("Access-Control-Allow-Headers", "Origin, No-Cache, X-Requested-With, If-Modified-Since, Pragma, Last-Modified, Cache-Control, Expires,　Content-Type, X-E4M-With");
        // 头攻击检测  过滤主机名
        String requestHost = request.getHeader("host");
        if (requestHost != null && !checkBlankList(requestHost)) {
            response.setStatus(403);
            return;
        }
        filterChain.doFilter(request, response);
    }

    //判断主机是否存在白名单中
    private boolean checkBlankList(String host){
        Map<String, String> msg = this.getMsg();
        String ip = msg.get("ip");
        
        host=host.replace(".", "").trim();
        host=host.replace(":", "").trim();
        ip=ip.replace(".", "").trim();
        //此处为自己项目网站的主机地址
        if(host.contains(ip)){
            return true;
        }
    
        return false;
    }
    
    /**
     * @return Map<String,String> ip和端口，单独抽到配置文件，方便维护
     */
    public Map<String, String> getMsg() {
        Map<String, String> map = new HashMap<String, String>();
        String dirPath = HttpHostFilter.class.getClassLoader().getResource("/").getPath() + File.separator + "conf";
//        logger.info("根路径.....dirPaht=" + dirPath);
        Properties p = new Properties();
        try {
            // logger.info("开始，获取xx数据 ....."+sdf.format(e.getRq()));
            p.load(new FileInputStream(dirPath + File.separator + "app.properties"));
            String host = p.getProperty("officeIp");
            if (StringUtil.isEmpty(host)) {
                host = "10.151.209.77";
//                host = "127.0.0.1";
            }
            map.put("ip", host);
        } catch (Exception e1) {
            e1.printStackTrace();
            logger.info("初始化失败 获取配置文件ip失败--->=" + e1.getMessage());
        }
//        logger.info("map===" + map);
        return map;
    }
}