Nodejs implementation of blacklist middleware design _node.js

Blacklist schema:

Copy Code code as follows:

/**
* Created by Ycxj-wanglihui on 2014/5/28.
*/
' Use strict ';

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

1. Temporary shielding 2. Permanent Shielding
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 temporary mask, the shielding expiration time
* @param forbiddendegree {Number} Shield level 1. Temporary shielding 2. Permanent Shielding
* @param reason {String} shielding 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 commit record schema:

Copy Code code 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 the responses and IP of participating questionnaires
* @type {Schema}
*
* @param answerid {ObjectId} reply ID
* @param createat {Date} creation time
* @param IP {String} who participates in the reply
*/
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:

Copy Code code as follows:

/**
* Created by Ycxj-wanglihui on 2014/5/28.
*/
' Use strict ';

var ipanswerlog = require ('.. /models '). Ipanswerlog;

/**
* New and saved
* @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);
}
}

/**
* Back to plural in 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 the number 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 in 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 a certain period of time back to the plural
* @param begintime {number} start time stamp
* @param endtime {Number} end time if NULL, use current time timestamp
* @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:

Copy Code code as follows:

/**
* Created by Ycxj-wanglihui on 2014/5/28.
*/
' Use strict ';
var blacklist = require ('.. /models '). blacklist;

/**
* New and saved
* @param backlist {blacklist} or {Dict} blacklist data
* @param callback
*/
var newandsave = function (Backlist, callback) {
if (Backlist instanceof 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 Day
* @param IP {String}
* @param callback
*/
var Newandsaveonedaytempforbidden = function (IP, callback) {
var expiretime = Date.now () + 1000*60*60*24;
Newandsavetempforbidden (IP, Expiretime, callback);
}

/**
* New Temporary blacklist
* @param IP {String}
* @param expiretime {number} expiration 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);
}

/**
* To determine whether in 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 entries via IP
* @param IP
* @param callback
*/
var Getblacklistbyip = function (IP, callback) {
Blacklist.findone ({Ip:ip}, callback);
}

/**
* Delete blacklist based on 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:

Copy Code code 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 if you need to move IP to the blacklist
* @param req
* @param Res
* @param Next
*/
var isneedmovetoblacklist = function (req, res, next) {
var ip = req.ip;
To determine if it's in 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 (' Submit too frequently, retry after 1 hours! ');
}
});
}else if (Hourcount > 100) {
Blacklistproxy.newandsaveonedaytempforbidden (IP, function (Err, blacklist) {
if (err) {
Return next (ERR);
}else{
Return Res.send (' Submit too frequently, retry after 1 days! ');
}
})
}else if (Daycount > 1000) {
Blacklistproxy.newandsaveonedaytempforbidden (IP, function (Err, blacklist) {
if (err) {
Return next (ERR);
}else{
Return Res.send (' Submit too frequently, retry after 1 days! ');
}
})
}else{
return next ();
}
})

Ipanswerlogproxy.countoneminuteanswer (Ip,ep.done (' Minutecount '));
Ipanswerlogproxy.countonehouranswer (IP, ep.done (' Hourcount '));
Ipanswerlogproxy.countonedayanswer (IP, ep.done (' Daycount '));
});
}

/**
* Middleware requires IP not in 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 forbidden to submit, please contact lihui.wang@tulingdao.com ' If you have any questions);
}else{
Next ();
}
})
}

Exports.isneedmovetoblacklist = isneedmovetoblacklist;
Exports.requirenotinblacklist = requirenotinblacklist;

To use in routing:

Copy Code code as follows:

Web page Submission Interface
Router.post ('/create ', middleware.isneedmovetoblacklist, paperanswers.create);