java防盗链在报表中的应用实例(推荐)

package com.fr.test;

import java.io.IOException;
import java.io.PrintWriter;

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 javax.servlet.http.HttpSession;

public class Dodo implements Filter {
  public void destroy() {
    // TODO Auto-generated method stub

  }

  public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)

  throws IOException, ServletException {
  HttpServletRequest req = (HttpServletRequest) request;
  HttpServletResponse resp = (HttpServletResponse) response;
  String referer = req.getHeader("referer");
  //下面的IP地址是正常页面请求
  if(null != referer && (referer.trim().startsWith("http://localhost:8033")||referer.trim().startsWith("http://www.finereporthelp.com/test/hello.html"))){
     System.out.println("正常页面请求"+referer);
     chain.doFilter(req, resp);
  //下面的就是出现不是正常页面请求的时候跳转
  }else{
     System.out.println("盗链"+referer);
     req.getRequestDispatcher("/LdapLogin.jsp").forward(req, resp);
  }
}
  public void init(FilterConfig arg0) throws ServletException {
    // TODO Auto-generated method stub

  }
}

AuthFilter
com.fr.test.Dodo

AuthFilter
/ReportServer

测试

防盗链测试

测试，错误的链接地址

防盗链测试