黑名單Schema:
複製代碼代碼如下:
/**
* Created by YCXJ-wanglihui on 2014/5/28.
*/
'use strict';
var mongoose = require('mongoose');
var Schema = mongoose.Schema;
//1.短暫屏蔽2.永久屏蔽
var degree = {TEMP:1, FOREVER:2};
/**
* 黑名單
* @type {Schema}
*
* @param ip {String} 黑名單Ip
* @param createAt {Date} 創建時間
* @param expireTime {Date} 如果是短暫屏蔽，屏蔽到期時間
* @param forbiddenDegree {Number} 屏蔽級別1.短暫屏蔽2.永久屏蔽
* @param reason {String} 屏蔽原因
*/
var BlackList = new Schema({
ip:{
type: String,
index:true
},
createAt:{
type: Date,
default: Date.now
},
expireTime:{
type: Date
},
forbiddenDegree:{
type: Number,
default:degree.TEMP
},
reason:{
type: String,
default: '請求次數頻繁'
}
});
mongoose.model('BlackList', BlackList);
IP與提交記錄Schema:
複製代碼代碼如下:
/**
* Created by YCXJ-wanglihui on 2014/5/28.
*/
'use strict';
var mongoose = require('mongoose');
var Schema = mongoose.Schema;
var ObjectId = Schema.ObjectId;
/**
* 記錄參與調查問卷的回復與Ip
* @type {Schema}
*
* @param answerId {ObjectId} 回复Id
* @param createAt {Date} 創建時間
* @param ip {String} 參與回复的人Ip
*/
var IpAnswerLog = new Schema({
answerId: {
type: ObjectId
},
createAt: {
type: Date,
default:Date.now
},
ip:{
type: String,
index:true
}
});
mongoose.model('IpAnswerLog', IpAnswerLog);
相關Proxy代碼：
複製代碼代碼如下:
/**
* Created by YCXJ-wanglihui on 2014/5/28.
*/
'use strict';
var IpAnswerLog = require('../models').IpAnswerLog;
/**
* 新建並保存
* @param ipAnswerLog {Schema or dict}
* @param callback
*/
var newAndSave = function(ipAnswerLog, callback){
if(ipAnswerLog instanceof IpAnswerLog){
ipAnswerLog.save(callback);
}else{
var m = new IpAnswerLog(ipAnswerLog);
m.save(callback);
}
}
/**
* 一分鐘內回複數
* @param ip
* @param callback
*/
var countOneMinuteAnswer = function(ip, callback){
var endTime = Date.now();
var beginTime = endTime - 1000*60*1;
countIpAnswerByTime(beginTime, endTime, ip, callback);
}
/**
* 一小時內回複數字
* @param ip
* @param callback
*/
var countOneHourAnswer = function(ip, callback){
var endTime = Date.now();
var beginTime = endTime - 1000*60*60*1;
countIpAnswerByTime(beginTime, endTime, ip, callback);
}
/**
* 一天內回复
* @param ip
* @param callback
*/
var countOneDayAnswer = function(ip, callback){
var endTime = Date.now();
var beginTime = endTime - 1000*60*60*24;
countIpAnswerByTime(beginTime, endTime, ip, callback);
}
/**
* 計算某段時間內回複數
* @param beginTime {Number} 開始時間時間戳
* @param endTime {Number} 結束時間如果為null，使用當前時間時間戳
* @param ip {String} Ip地址
* @param callback
*/
var countIpAnswerByTime = function(beginTime, endTime, ip, callback){
if(!endTime){
endTime = Date.now();
}
IpAnswerLog.count({ip:ip, '$and':{$lt:beginTime, $gt:endTime}}, callback);
}
exports.countIpAnswerByTime =countIpAnswerByTime;
exports.countOneDayAnswer = countOneDayAnswer;
exports.countOneHourAnswer = countOneHourAnswer;
exports.countOneMinuteAnswer = countOneMinuteAnswer;
exports.newAndSave = newAndSave;
黑名單Proxy:
複製代碼代碼如下:
/**
* Created by YCXJ-wanglihui on 2014/5/28.
*/
'use strict';
var BlackList = require('../models').BlackList;
/**
* 新建並保存
* @param backList {BlackList} or {dict} 黑名單數據
* @param callback
*/
var newAndSave = function(backList, callback){
if(backList instanceof BlackList){
backList.save(callback);
}else{
var m = new BlackList(backList);
m.save(callback);
}
}
/**
* 禁用Ip訪問一小時
* @param ip {String}
* @param callback
*/
var newAndSaveOneHourTempForbidden = function(ip, callback){
var expireTime = Date.now() + 1000*60*60;
newAndSaveTempForbidden(ip,expireTime, callback);
}
/**
* 禁用一天
* @param ip {String}
* @param callback
*/
var newAndSaveOneDayTempForbidden = function(ip, callback){
var expireTime = Date.now() + 1000*60*60*24;
newAndSaveTempForbidden(ip, expireTime, callback);
}
/**
* 新建臨時黑名單
* @param ip {String}
* @param expireTime {Number} 到期時間
* @param callback
*/
var newAndSaveTempForbidden = function(ip, expireTime,callback){
var blackList = new BlackList({ip:ip, expireTime:expireTime, forbiddenDegree:1});
newAndSave(blackList, callback);
}
/**
* 新建並保存永久黑名單
* @param ip
* @param callback
*/
var newAndSaveForeverForbidden = function(ip, callback){
var blackList = new BlackList({ip:ip, forbiddenDegree:2});
newAndSave(blackList, callback);
}
/**
* 判斷是否在黑名單中
* @param ip {String} Ip地址
* @param callback
*/
var isInBlackList = function(ip, callback){
getBlackListByIp(ip, function(err, blackList){
if(err){
callback(err);
}else if(blackList){
var currentDate = Date.now();
if(blackList.forbiddenDegree ===1 && blackList.expireTime> currentDate){
removeBlackListByIp(ip, function(err){
if(err){
callback(err);
}else{
callback(null, false);
}
})
}else{
callback(null, true);
}
}else{
callback(null, false);
}
})
}
/**
* 通過Ip獲取黑名單條目
* @param ip
* @param callback
*/
var getBlackListByIp = function(ip, callback){
BlackList.findOne({ip:ip}, callback);
}
/**
* 根據Ip刪除黑名單
* @param ip
* @param callback
*/
var removeBlackListByIp = function(ip, callback){
getBlackListByIp(ip, function(err, blackList){
if(err){
callback(err);
}else if(blackList){
blackList.remove(callback);
}else{
callback(null,null);
}
})
}
exports.newAndSave = newAndSave;
exports.isInBlackList = isInBlackList;
exports.getBlackListByIp = getBlackListByIp;
exports.removeBlackListByIp = removeBlackListByIp;
exports.newAndSaveOneHourTempForbidden = newAndSaveOneHourTempForbidden;
exports.newAndSaveOneDayTempForbidden = newAndSaveOneDayTempForbidden;
exports.newAndSaveForeverForbidden = newAndSaveForeverForbidden;
exports.newAndSaveTempForbidden = newAndSaveTempForbidden;
中間件詳情：
複製代碼代碼如下:
/**
* Created by YCXJ-wanglihui on 2014/5/28.
*/
'use strict';
var BlackListProxy = require('../../proxy').BlackListPorxy;
var IpAnswerLogProxy = require('../../proxy').IpAnswerLogProxy;
var EventProxy = require('eventproxy');
/**
* 判斷是否需要將Ip移動至黑名單中
* @param req
* @param res
* @param next
*/
var isNeedMoveToBlackList = function(req, res, next){
var ip = req.ip;
//判斷是否在黑名單中
requireNotInBlackList(req, res, function(){
var ep = new EventProxy();
ep.fail(next);
ep.all('minuteCount', 'hourCount', 'dayCount', function(minuteCount, hourCount, dayCount){
if(minuteCount > 10){
BlackListProxy.newAndSaveOneHourTempForbidden(ip, function(err, blackList){
if(err){
return next(err);
}else{
return res.send('提交過於頻繁,1小時後重試!');
}
});
}else if(hourCount > 100){
BlackListProxy.newAndSaveOneDayTempForbidden(ip, function(err, blackList){
if(err){
return next(err);
}else{
return res.send('提交過於頻繁,1天后重試!');
}
})
}else if(dayCount > 1000){
BlackListProxy.newAndSaveOneDayTempForbidden(ip, function(err, blackList){
if(err){
return next(err);
}else{
return res.send('提交過於頻繁，1天后重試！');
}
})
}else{
return next();
}
})
IpAnswerLogProxy.countOneMinuteAnswer(ip,ep.done('minuteCount'));
IpAnswerLogProxy.countOneHourAnswer(ip, ep.done('hourCount'));
IpAnswerLogProxy.countOneDayAnswer(ip, ep.done('dayCount'));
});
}
/**
* 中間件要求Ip不在黑名單中
* @param req
* @param res
* @param next
*/
var requireNotInBlackList = function(req, res, next){
var ip = req.ip;
BlackListProxy.isInBlackList(ip, function(err, result){
if(err){
next(err);
}else if(result){
return res.send('您的Ip禁止提交,如有疑問請聯繫[email protected]');
}else{
next();
}
})
}
exports.isNeedMoveToBlackList = isNeedMoveToBlackList;
exports.requireNotInBlackList = requireNotInBlackList;
在路由中使用：
複製代碼代碼如下:
//網頁提交接口
router.post('/create', middleware.isNeedMoveToBlackList, paperAnswers.create);