package com.terra.proxy.intercepter;

import com.terra.proxy.properties.TerraProperties;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;

import javax.servlet.*;
import java.io.IOException;




public class VisitInterceptor implements Filter {
	
		
	@Autowired
    private TerraProperties properties;
	
	public VisitInterceptor(TerraProperties prop){
		properties=prop;
	}


	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
		// TODO
	}

	@Override
	public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
			throws IOException, ServletException {
     	 String fromips=req.getRemoteHost();
     	 String[] blackips= properties.getProxy().getBlacklist().split(";");
     	 for(String temp : blackips)
		 if(temp.equals(fromips)||fromips.indexOf(temp)!=-1){
			 return;
		 }
		chain.doFilter(req, res);
		
	}

	@Override
	public void destroy() {
		// TODO
	}


	public static void main(String[] args) {
		String str="/50048/MapServer/export";
		String s= StringUtils.substringAfter(str,"Server");
		System.out.println("s = " + s);

	}
	

}