nodejs implementiert die Blacklist-Middleware design_node.js

Blacklist-Schema:

Code kopieren Der Code lautet wie folgt:

/**
 * Erstellt von YCXJ-wanglihui am 28.05.2014.
 */
'strikt verwenden';

var mongoose = require('mongoose');
var Schema = mongoose.Schema;

//1. Vorübergehende Blockierung 2. Permanente Blockierung
var grade = {TEMP:1, FOREVER:2};

/**
* Blacklist
* @type {Schema}
*
* @param ip {String} Blacklist Ip
* @param createAt {Date} Erstellungszeit
* @param ExpireTime { Datum} Wenn es sich um eine vorübergehende Sperrung handelt, die Ablaufzeit der Sperrung
* @param prohibitionDegree {Number} Sperrstufe 1. Vorübergehende Sperrung 2. Permanente Sperrung
* @param reason {String} Sperrgrund
*/
var BlackList = new Schema({
ip:{
type: String,
index:true
},
createAt: {
Typ: Datum,
Standard: Date.now
},
Ablaufzeit:{
Typ: Datum
},
verbotener Grad:{
Typ: Zahl ,
default:degree.TEMP
},
reason:{
type: String,
default: 'Häufige Anfragen'
}
});

mongoose.model('BlackList', BlackList);

IP- und Übermittlungsdatensatzschema:

Code kopieren Der Code lautet wie folgt:

/**
 * Erstellt von YCXJ-wanglihui am 28.05.2014.
 */

'strikt verwenden';

var mongoose = require('mongoose');
var Schema = mongoose.Schema;
var ObjectId = Schema.ObjectId;

/**
* Erfassen Sie die Antworten und die IP der teilnehmenden Fragebögen
* @type {Schema}
*
* @param answerId {ObjectId} Antwort-ID
* @param createAt {Date} Erstellungszeit
* @param ip {String} Die IP der Person, die an der Antwort teilnimmt
*/
var IpAnswerLog = new Schema({
answerId: {
type: ObjectId
},
createAt: {
type: Date ,
default:Date.now
},
ip:{
type: String,
index:true
}
});

mongoose.model('IpAnswerLog', IpAnswerLog);

Zugehöriger Proxy-Code:

Code kopieren Der Code lautet wie folgt:

/**
 * Erstellt von YCXJ-wanglihui am 28.05.2014.
 */
'use strict';

var IpAnswerLog = require('../models').IpAnswerLog;

/**
* Neu erstellen und speichern
* @param ipAnswerLog {Schema oder dict}
* @param callback
*/
var newAndSave = function(ipAnswerLog, callback){
    if(ipAnswerLog instanceof IpAnswerLog){
        ipAnswerLog.save(callback);
    }else{
        var m = new IpAnswerLog(ipAnswerLog);
        m.save(callback);
    }
}

/**
* Anzahl der Antworten innerhalb einer Minute
* @param ip
* @param callback
*/
var countOneMinuteAnswer = function(ip, callback){
    var endTime = Date.now();
    var beginTime = endTime - 1000*60*1;
    countIpAnswerByTime(beginTime, endTime, ip, callback);
}

/**
* Antwortnummer innerhalb einer Stunde
* @param ip
* @param Rückruf
*/
var countOneHourAnswer = function(ip, callback){
    var endTime = Date.now();
    var beginTime = endTime - 1000*60*60* 1;
    countIpAnswerByTime(beginTime, endTime, ip, callback);
}

/**
* Antwort innerhalb eines Tages
* @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);
}

/**
* Berechnen Sie die Anzahl der Antworten innerhalb eines bestimmten Zeitraums
* @param beginTime {Number} Zeitstempel der Startzeit
* @param endTime {Number} Wenn die Endzeit null ist, verwenden Sie den aktuellen Zeitstempel
* @param ip {String} IP-Adresse
* @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;

黑名单Proxy:

复制代码 代码如下:

/**
 * Created by YCXJ-wanglihui on 2014/5/28.
 */
'use strict';
var BlackList = require('../models').BlackList;

/**
 * 新建并保存
 * @param backList {BlackList} or {dict} 黑名单数据
 * @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访问一小时
 * @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);
}

/**
 * 新建临时黑名单
 * @param ip {String}
 * @param expireTime {Number} 到期时间
 * @param callback
 */
var newAndSaveTempForbidden = function(ip, expireTime,callback){
    var blackList = new BlackList({ip:ip, expireTime:expireTime, forbiddenDegree:1});
    newAndSave(blackList, callback);
}

/**
 * 新建并保存永久黑名单
 * @param ip
 * @param callback
 */
var newAndSaveForeverForbidden = function(ip, callback){
    var blackList = new BlackList({ip:ip, forbiddenDegree:2});
    newAndSave(blackList, callback);
}

/**
 * 判断是否在黑名单中
 * @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);
        }
    })
}

/**
 * 通过Ip获取黑名单条目
 * @param ip
 * @param callback
 */
var getBlackListByIp = function(ip, callback){
    BlackList.findOne({ip:ip}, callback);
}

/**
* Blacklist basierend auf IP löschen
* @param ip
* @param callback
*/
var removeBlackListByIp = function(ip, callback){
    getBlackListByIp(ip, function(err, blackList){
        if(err){
            Callback (err) })
}

exports.newAndSave = newAndSave;
exports.isInBlackList = isInBlackList;
exports.getBlackListByIp = getBlackListByIp;
exports.removeBlackListByIp = takeBlackListByIp;
exports.newAndSaveOneHourTempForbidden = OneHourTempForbidden;

Exporte. newAndSaveOneDayTempForbidden = newAndSaveOneDayTempForbidden;

exports.newAndSaveForeverForbidden = newAndSaveForeverForbidden;
exports.newAndSaveTempForbidden = newAndSaveTempForbidden;



中间件详情：

复制代码

代码如下:

/**
 * Created by YCXJ-wanglihui on 2014/5/28.
 */
'use strict';

var BlackListProxy = require('../../proxy').BlackListPorxy;
var IpAnswerLogProxy = require('../../proxy').IpAnswerLogProxy;
var EventProxy = require('eventproxy');

/**
 * 判断是否需要将Ip移动至黑名单中
 * @param req
 * @param res
 * @param next
 */
var isNeedMoveToBlackList = function(req, res, next){
    var ip = req.ip;
    //判断是否在黑名单中
    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('提交过于频繁,1小时后重试!');
                    }
                });
            }else if(hourCount > 100){
                BlackListProxy.newAndSaveOneDayTempForbidden(ip, function(err, blackList){
                    if(err){
                        return next(err);
                    }else{
                        return res.send('提交过于频繁,1天后重试!');
                    }
                })
            }else if(dayCount > 1000){
                BlackListProxy.newAndSaveOneDayTempForbidden(ip, function(err, blackList){
                    if(err){
                        return next(err);
                    }else{
                        return res.send('提交过于频繁，1天后重试！');
                    }
                })
            }else{
                return next();
            }
        })

        IpAnswerLogProxy.countOneMinuteAnswer(ip,ep.done('minuteCount'));
        IpAnswerLogProxy.countOneHourAnswer(ip, ep.done('hourCount'));
        IpAnswerLogProxy.countOneDayAnswer(ip, ep.done('dayCount'));
    });
}

/**
* Middleware nécessite que l'IP ne soit pas dans la liste noire
* @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('Votre adresse IP ne peut pas être soumise. Si vous avez des questions, veuillez contacter lihui. wang@tulingdao.com');
      }else{
                   suivant();                                                           
exports.isNeedMoveToBlackList = isNeedMoveToBlackList;
exports.requireNotInBlackList = requireNotInBlackList;

Utilisation en routage :

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Le code est le suivant ://Interface de soumission de page Web router.post( '/create', middleware.isNeedMoveToBlackList, paperAnswers.create);