actionmonitor.java

cwbbs 云网论坛源码

package com.redmoon.forum.security;

import javax.servlet.http.HttpServletRequest;
import cn.js.fan.util.CookieBean;
import com.redmoon.forum.Config;
import cn.js.fan.util.StrUtil;
import javax.servlet.http.HttpServletResponse;


public class ActionMonitor {
    public ActionMonitor() {
    }

    
    public static boolean canVisit(HttpServletRequest request, HttpServletResponse response) {
        Config cfg = Config.getInstance();
        int interval = cfg.getVisitInterval();
        if (interval==0)
            return true;

        CookieBean cb = new CookieBean();
        String strTime = cb.getCookieValue(request, "lastVisitTime");
        if (strTime.equals(""))
            strTime = "0";

        long curTime = System.currentTimeMillis();
        long lastTime = StrUtil.toLong(strTime);

        

        if (curTime - lastTime <= interval)
            return false;
        else
            cb.addCookie(response, "lastVisitTime", "" + curTime);
        return true;
    }
}