Blacklist Schema:
The code copy is as follows:
/**
* Created by YCXJ-wanglihui on 2014/5/28.
*/
'use strict';
var mongoose = require('mongoose');
var Schema = mongoose.Schema;
//1. Short-term blocking 2. Permanent blocking
var degree = {TEMP:1, FOREVER:2};
/**
* Blacklist
* @type {Schema}
*
* @param ip {String} Blacklist Ip
* @param createAt {Date} creation time
* @param expireTime {Date} If it is a brief blocking, block expiration time
* @param forbiddenDegree {Number} Blocking level 1. Short-term blocking 2. Permanent blocking
* @param reason {String} Blocking reason
*/
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: 'Frequent requests'
}
});
mongoose.model('BlackList', BlackList);
IP and submission record Schema:
The code copy is as follows:
/**
* Created by YCXJ-wanglihui on 2014/5/28.
*/
'use strict';
var mongoose = require('mongoose');
var Schema = mongoose.Schema;
var ObjectId = Schema.ObjectId;
/**
* Record responses and Ip of participating in the questionnaire
* @type {Schema}
*
* @param answerId {ObjectId} Reply Id
* @param createAt {Date} creation time
* @param ip {String} People who participated in the reply Ip
*/
var IpAnswerLog = new Schema({
answerId: {
type: ObjectId
},
createAt: {
type: Date,
default:Date.now
},
ip:{
type: String,
index:true
}
});
mongoose.model('IpAnswerLog', IpAnswerLog);
Related Proxy code:
The code copy is as follows:
/**
* Created by YCXJ-wanglihui on 2014/5/28.
*/
'use strict';
var IpAnswerLog = require('../models').IpAnswerLog;
/**
* Create and save
* @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);
}
}
/**
* Number of replies within one 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);
}
/**
* Reply to numbers within one hour
* @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);
}
/**
* Reply within one day
* @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);
}
/**
* Calculate the number of replies in a certain period of time
* @param beginTime {Number} Start time time stamp
* @param endTime {Number} End time If null, use the current time-stamp
* @param ip {String} IP address
* @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;
Blacklist Proxy:
The code copy is as follows:
/**
* Created by YCXJ-wanglihui on 2014/5/28.
*/
'use strict';
var BlackList = require('../models').BlackList;
/**
* Create and save
* @param backList {BlackList} or {dict} Blacklist data
* @param callback
*/
var newAndSave = function(backList, callback){
if(backList instance of BlackList){
backList.save(callback);
}else{
var m = new BlackList(backList);
m.save(callback);
}
}
/**
* Disable IP access for one hour
* @param ip {String}
* @param callback
*/
var newAndSaveOneHourTempForbidden = function(ip, callback){
var expireTime = Date.now() + 1000*60*60;
newAndSaveTempForbidden(ip,expireTime, callback);
}
/**
* Disable for one day
* @param ip {String}
* @param callback
*/
var newAndSaveOneDayTempForbidden = function(ip, callback){
var expireTime = Date.now() + 1000*60*60*24;
newAndSaveTempForbidden(ip, expireTime, callback);
}
/**
* Create a temporary blacklist
* @param ip {String}
* @param expireTime {Number} Expiry time
* @param callback
*/
var newAndSaveTempForbidden = function(ip, expireTime, callback){
var blackList = new BlackList({ip:ip, expireTime:expireTime, forbiddenDegree:1});
newAndSave(blackList, callback);
}
/**
* Create and save a permanent blacklist
* @param ip
* @param callback
*/
var newAndSaveForeverForbidden = function(ip, callback){
var blackList = new BlackList({ip:ip, forbiddenDegree:2});
newAndSave(blackList, callback);
}
/**
* Determine whether it is on the blacklist
* @param ip {String} IP address
* @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);
}
})
}
/**
* Get blacklist entry through IP
* @param ip
* @param callback
*/
var getBlackListByIp = function(ip, callback){
BlackList.findOne({ip:ip}, callback);
}
/**
* Delete the blacklist according to IP
* @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;
Middleware details:
The code copy is as follows:
/**
* Created by YCXJ-wanglihui on 2014/5/28.
*/
'use strict';
var BlackListProxy = require('../../proxy').BlackListPorxy;
var IpAnswerLogProxy = require('../../proxy').IpAnswerLogProxy;
var EventProxy = require('eventproxy');
/**
* Determine whether I need to move the Ip to the blacklist
* @param req
* @param res
* @param next
*/
var isNeedMoveToBlackList = function(req, res, next){
var ip = req.ip;
//Judge whether it is on the blacklist
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('Submission is too frequent, try again after 1 hour!');
}
});
}else if(hourCount > 100){
BlackListProxy.newAndSaveOneDayTempForbidden(ip, function(err, blackList){
if(err){
return next(err);
}else{
return res.send('Submissions are too frequent, try again after 1 day!');
}
})
}else if(dayCount > 1000){
BlackListProxy.newAndSaveOneDayTempForbidden(ip, function(err, blackList){
if(err){
return next(err);
}else{
return res.send('Submissions are too frequent, try again after 1 day!');
}
})
}else{
return next();
}
})
IpAnswerLogProxy.countOneMinuteAnswer(ip,ep.done('minuteCount'));
IpAnswerLogProxy.countOneHourAnswer(ip, ep.done('hourCount'));
IpAnswerLogProxy.countOneDayAnswer(ip, ep.done('dayCount'));
});
}
/**
* Middleware requires that Ip is not on the blacklist
* @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('Your IP is prohibited from submitting. If you have any questions, please contact [email protected]');
}else{
next();
}
})
}
exports.isNeedMoveToBlackList = isNeedMoveToBlackList;
exports.requireNotInBlackList = requireNotInBlackList;
Use in routing:
The code copy is as follows:
//Web page submission interface
router.post('/create', middleware.isNeedMoveToBlackList, paperAnswers.create);