Files
meanTorrent/modules/announce/server/controllers/announces.server.controller.js

1286 lines
40 KiB
JavaScript

'use strict';
/**
* Module dependencies
*/
var path = require('path'),
config = require(path.resolve('./config/config')),
common = require(path.resolve('./config/lib/common')),
dataLog = require(path.resolve('./config/lib/data-log')),
mongoose = require('mongoose'),
User = mongoose.model('User'),
Torrent = mongoose.model('Torrent'),
Peer = mongoose.model('Peer'),
Complete = mongoose.model('Complete'),
Finished = mongoose.model('Finished'),
moment = require('moment'),
async = require('async'),
sprintf = require('sprintf-js').sprintf,
traceLogCreate = require(path.resolve('./config/lib/tracelog')).create,
scoreUpdate = require(path.resolve('./config/lib/score')).update;
var traceConfig = config.meanTorrentConfig.trace;
var scoreConfig = config.meanTorrentConfig.score;
var hnrConfig = config.meanTorrentConfig.hitAndRun;
var signConfig = config.meanTorrentConfig.sign;
var announceConfig = config.meanTorrentConfig.announce;
var globalSalesConfig = config.meanTorrentConfig.torrentGlobalSales;
var examinationConfig = config.meanTorrentConfig.examination;
var appConfig = config.meanTorrentConfig.app;
var mtDebug = require(path.resolve('./config/lib/debug'));
const FAILURE_REASONS = {
100: 'Invalid request type: client request was not a HTTP GET',
101: 'Missing info_hash',
102: 'Missing peer_id',
103: 'Missing port',
104: 'Missing passkey',
150: 'Invalid infohash: infohash is not 20 bytes long',
151: 'Invalid peerid: peerid is not 20 bytes long',
152: 'Invalid numwant. Client requested more peers than allowed by tracker',
153: 'Passkey length error (length=32)',
154: 'Invalid passkey, if you changed you passkey, please redownload the torrent file from ' + appConfig.domain,
160: 'Invalid torrent info_hash',
161: 'No torrent with that info_hash has been found',
170: 'your account status is banned',
171: 'your account status is inactive',
172: 'your client is not allowed, here is the blacklist: ' + appConfig.domain + announceConfig.clientBlackListUrl,
173: 'this torrent status is not reviewed by administrators, try again later',
174: 'this torrent is only for VIP members',
175: 'your account status is idle',
176: 'you can not seeding an un-download finished torrent',
180: 'You can not open more than 1 downloading processes on the same torrent',
181: 'You can not open more than 3 seeding processes on the same torrent',
182: 'save peer failed',
183: 'save torrent failed',
184: 'save passkeyuser failed',
185: 'get H&R completeTorrent failed',
186: 'create H&R completeTorrent failed',
190: 'You have more H&R warning, can not download any torrent now!',
191: 'not find this torrent H&R complete data',
200: 'Your total ratio is less than %.2f, can not download anything',
600: 'This tracker only supports compact mode',
900: 'Generic error'
};
const EVENT_NONE = 0;
const EVENT_COMPLETED = 1;
const EVENT_STARTED = 2;
const EVENT_STOPPED = 3;
const WANT_DEFAULT = 50;
const PEERSTATE_SEEDER = 'seeder';
const PEERSTATE_LEECHER = 'leecher';
const PEER_COMPACT_SIZE = 6;
const ANNOUNCE_INTERVAL = Math.floor(announceConfig.announceInterval / 1000);
const PARAMS_INTEGER = [
'port', 'uploaded', 'downloaded', 'left', 'compact', 'numwant'
];
const PARAMS_STRING = [
'event'
];
var isGlobalSaleValid = false;
/**
* event
* @param e
* @returns {number}
*/
function event(e) {
switch (e) {
case 'completed':
return EVENT_COMPLETED;
case 'started':
return EVENT_STARTED;
case 'stopped':
return EVENT_STOPPED;
}
return EVENT_NONE;
}
/**
* eventString
* @param e
* @returns {number}
*/
function eventString(e) {
switch (e) {
case 'completed':
return 'EVENT_COMPLETED';
case 'started':
return 'EVENT_STARTED';
case 'stopped':
return 'EVENT_STOPPED';
}
return 'EVENT_NONE';
}
/**
* Failure
* @param code
* @param reason
* @constructor
*/
function Failure(code, reason) {
this.code = code;
this.reason = reason;
if (reason === undefined && typeof FAILURE_REASONS[this.code] !== 'undefined')
this.reason = FAILURE_REASONS[this.code];
else if (this.code == null)
this.code = 900;
}
/**
* Failure.prototype
* @type {{bencode: Function}}
*/
Failure.prototype = {
bencode: function () {
return 'd14:failure reason' + this.reason.length + ':' + this.reason + '12:failure codei' + this.code + 'ee';
}
};
/**
* info api
* @param req
* @param res
*/
exports.announce = function (req, res) {
req.torrent = undefined;
req.currentPeer = undefined;
req.completeTorrent = undefined;
req.selfpeer = [];
req.seeder = false;
mtDebug.debugGreen('', 'ANNOUNCE', true, req.passkeyuser);
mtDebug.debugGreen('============= Announce request =============', 'ANNOUNCE', true, req.passkeyuser);
mtDebug.debugBlue(req.url, 'ANNOUNCE', true, req.passkeyuser);
var s = req.url.split('?');
var query = common.querystringParse(s[1]);
var passkey = req.params.passkey || query.passkey || undefined;
async.waterfall([
/*---------------------------------------------------------------
validateQueryCheck
---------------------------------------------------------------*/
function (done) {
var i = 0;
var p;
if (req.method !== 'GET') {
done(100);
} else if (typeof query.info_hash === 'undefined') {
done(101);
} else if (typeof query.peer_id === 'undefined') {
done(102);
} else if (typeof query.port === 'undefined') {
done(103);
} else if (query.info_hash.length !== 20) {
done(150);
} else if (query.peer_id.length !== 20) {
done(151);
} else if (typeof query.compact === 'undefined' || query.compact !== '1') {
done(600);
} else {
for (i = 0; i < PARAMS_INTEGER.length; i++) {
p = PARAMS_INTEGER[i];
if (typeof query[p] !== 'undefined')
query[p] = parseInt(query[p].toString(), 10);
}
for (i = 0; i < PARAMS_STRING.length; i++) {
p = PARAMS_STRING[i];
if (typeof query[p] !== 'undefined')
query[p] = query[p].toString();
}
query.info_hash = common.binaryToHex(query.info_hash);
req.seeder = (query.left === 0) ? true : false;
done(null);
}
},
/*---------------------------------------------------------------
validatePasskeyCheck
---------------------------------------------------------------*/
function (done) {
if (typeof passkey === 'undefined') {
done(104);
} else if (passkey.length !== 32) {
done(153);
} else if (req.passkeyuser === undefined) {
done(154);
} else {
done(null);
}
},
/*---------------------------------------------------------------
validateUserCheck
check normal, banned, idle, inactive
---------------------------------------------------------------*/
function (done) {
switch (req.passkeyuser.status) {
case 'banned':
done(170);
break;
case 'idle':
done(175);
break;
case 'inactive':
done(171);
break;
default:
done(null);
}
},
/*---------------------------------------------------------------
validateClientCheck
check client blacklist
---------------------------------------------------------------*/
function (done) {
var ua = req.get('User-Agent');
var inlist = false;
if (ua) {
config.meanTorrentConfig.clientBlackList.forEach(function (client) {
if (ua.toUpperCase().indexOf(client.name.toUpperCase()) >= 0) {
inlist = true;
}
});
}
if (inlist) {
done(172);
} else {
done(null);
}
},
/*---------------------------------------------------------------
getTorrentItemData
torrent data include peers
---------------------------------------------------------------*/
function (done) {
Torrent.findOne({
info_hash: query.info_hash
})
.populate('user')
.populate({
path: '_peers'
})
.exec(function (err, t) {
if (err) {
done(160);
} else if (!t) {
done(161);
} else if (t.torrent_status === 'new') {
done(173);
} else {
req.torrent = t;
done(null);
}
});
},
/*---------------------------------------------------------------
refresh user`s vip status and ratio
update torrent isSaling status
---------------------------------------------------------------*/
function (done) {
req.passkeyuser.globalUpdateMethod(function (u) {
req.passkeyuser = u;
if (req.torrent.isSaling) {
req.torrent.globalUpdateMethod(function (t) {
req.torrent = t;
done(null);
});
} else {
done(null);
}
});
},
/*---------------------------------------------------------------
check torrent_vip and user_vip status
---------------------------------------------------------------*/
function (done) {
if (!req.seeder && req.torrent.torrent_vip && !req.passkeyuser.isVip) {
done(174);
} else {
done(null);
}
},
/*---------------------------------------------------------------
check whether can seeding
if torrent is not exist in user`s finished list
---------------------------------------------------------------*/
function (done) {
mtDebug.debugGreen('---------------' + eventString(query.event) + '----------------', 'ANNOUNCE', true, req.passkeyuser);
if (req.seeder && event(query.event) !== EVENT_COMPLETED && event(query.event) !== EVENT_STOPPED) {
if (announceConfig.seedingInFinishedCheck) {
if (!req.passkeyuser._id.equals(req.torrent.user._id)) {
Finished.findOne({
user: req.passkeyuser._id,
torrent: req.torrent._id
}).exec(function (err, fini) {
if (!fini) {
done(176);
} else {
done(null);
}
});
} else {
done(null);
}
} else {
done(null);
}
} else {
done(null);
}
},
/*---------------------------------------------------------------
find complete torrent data
if not find and torrent is h&r and user isn`t vip, then create complete record
---------------------------------------------------------------*/
function (done) {
if (req.torrent.torrent_hnr && !req.passkeyuser.isVip) {
Complete.findOne({
torrent: req.torrent._id,
user: req.passkeyuser._id
})
.populate('user')
.populate('torrent')
.exec(function (err, t) {
if (err) {
done(185);
} else {
if (!t) {
var comp = new Complete();
comp.torrent = req.torrent;
comp.user = req.passkeyuser;
comp.complete = req.seeder ? true : false;
comp.save(function (err) {
if (err) {
done(186);
} else {
req.completeTorrent = comp;
done(null);
}
});
} else {
req.completeTorrent = t;
done(null);
}
}
});
} else {
done(null);
}
},
/*---------------------------------------------------------------
some time, when user close download client directly, maybe some ghost peer stay in peers table and not in torrent._peers
delete them on start event of any user
----------------------------------------------------------------*/
function (done) {
if (event(query.event) === EVENT_STARTED) {
Peer.remove({
torrent: req.torrent._id,
_id: {$nin: req.torrent._peers}
}, function (err, removed) {
if (removed.n > 0) {
mtDebug.debugRed('Removed ' + removed + ' peers not in torrent._peers: ' + req.torrent._id, 'ANNOUNCE', true, req.passkeyuser);
}
done(null);
});
} else {
done(null);
}
},
/*---------------------------------------------------------------
check N&R can download
if user has too more H&R warning numbers, can not download any torrent
but can continue download the warning status torrent
vip user not checked
---------------------------------------------------------------*/
function (done) {
if (!req.seeder && !req.passkeyuser.isVip && event(query.event) === EVENT_STARTED) {
if (req.passkeyuser.hnr_warning >= hnrConfig.forbiddenDownloadMinWarningNumber) {
if (!req.torrent.torrent_hnr) {
done(190);
} else {
if (!req.completeTorrent) {
done(191);
} else {
if (!req.completeTorrent.hnr_warning) {
done(190);
} else {
done(null);
}
}
}
} else {
done(null);
}
} else {
done(null);
}
},
/*---------------------------------------------------------------
announce download check
ratio check, setting in announce.downloadCheck
vip user not checked
---------------------------------------------------------------*/
function (done) {
if (!req.seeder && !req.passkeyuser.isVip && event(query.event) === EVENT_STARTED) {
if (req.passkeyuser.ratio !== -1 && req.passkeyuser.ratio < announceConfig.downloadCheck.ratio) {
var checkTimeBegin = moment(req.passkeyuser.created).add(announceConfig.downloadCheck.checkAfterSignupDays, 'd');
if (checkTimeBegin < moment(Date.now())) {
var reason = sprintf(FAILURE_REASONS[200], announceConfig.downloadCheck.ratio);
done(200, reason);
} else {
done(null);
}
} else {
done(null);
}
} else {
done(null);
}
},
/*---------------------------------------------------------------
find myself peers and get current peer with same peer_id
----------------------------------------------------------------*/
function (done) {
if (req.torrent._peers.length > 0) {
for (var i = req.torrent._peers.length; i > 0; i--) {
var p = req.torrent._peers[i - 1];
if (p.user.equals(req.passkeyuser._id)) {
if (p.last_announce_at > (Date.now() - announceConfig.announceInterval - announceConfig.announceIdleTime)) { //do not add inactive peer
req.selfpeer.push(p);
} else if (p.peer_id === query.peer_id) {
req.selfpeer.push(p);
}
}
}
}
getCurrentPeer(function () {
mtDebug.debugRed('req.currentPeer.isNewCreated = ' + req.currentPeer.isNewCreated, 'ANNOUNCE', true, req.passkeyuser);
mtDebug.debugRed(req.currentPeer._id.toString(), 'ANNOUNCE', true, req.passkeyuser);
done(null);
});
},
/*---------------------------------------------------------------
onEventStarted
if downloading, check download peer num only 1
if seeding, check seed peer num can not more than 3
numbers is in setting announceConfig.announceCheck
---------------------------------------------------------------*/
function (done) {
var lcount = getSelfLeecherCount();
var scount = getSelfSeederCount();
if (lcount > announceConfig.announceCheck.maxLeechNumberPerUserPerTorrent && !req.seeder) {
mtDebug.debugRed('getSelfLeecherCount = ' + lcount, 'ANNOUNCE', true, req.passkeyuser);
removeCurrPeer();
done(180);
} else if (scount > announceConfig.announceCheck.maxSeedNumberPerUserPerTorrent && req.seeder) {
mtDebug.debugRed('getSelfSeederCount = ' + scount, 'ANNOUNCE', true, req.passkeyuser);
removeCurrPeer();
done(181);
} else {
done(null);
}
},
/*---------------------------------------------------------------
writeUpDownData
uploaded,downloaded
update complete data if completeTorrent is exist
if has upload and download data size, write data size,
write time of seed(complete) whether or not u/d is 0
---------------------------------------------------------------*/
function (done) {
mtDebug.debugGreen('---------------WRITE_UP_DOWN_DATA----------------', 'ANNOUNCE', true, req.passkeyuser);
var curru = 0;
var currd = 0;
if (!req.currentPeer.isNewCreated) {
var udr = getUDRatio();
curru = query.uploaded - req.currentPeer.peer_uploaded;
currd = query.downloaded - req.currentPeer.peer_downloaded;
if (curru > 0 || currd > 0) {
var u = Math.round(curru * udr.ur);
var d = Math.round(currd * udr.dr);
//check if is vip
if (req.passkeyuser.isVip) {
u = u * globalSalesConfig.vip.value.Ur;
d = d * globalSalesConfig.vip.value.Dr;
}
//check if is torrent uploader
if (req.passkeyuser._id.equals(req.torrent.user._id)) {
u = u * globalSalesConfig.uploader.value.Ur;
d = d * globalSalesConfig.uploader.value.Dr;
}
//write user uploaded and downloaded
req.passkeyuser.uploaded += u;
req.passkeyuser.downloaded += d;
req.passkeyuser.true_uploaded += curru;
req.passkeyuser.true_downloaded += currd;
//write examination uploaded and downloaded
if (common.examinationIsValid(req.passkeyuser)) {
req.passkeyuser.examinationData.uploaded = req.passkeyuser.examinationData.uploaded || 0;
req.passkeyuser.examinationData.uploaded += u;
req.passkeyuser.examinationData.downloaded = req.passkeyuser.examinationData.downloaded || 0;
req.passkeyuser.examinationData.downloaded += d;
var uploadFinished = req.passkeyuser.examinationData.uploaded >= examinationConfig.incrementData.upload;
var downloadFinished = req.passkeyuser.examinationData.downloaded >= examinationConfig.incrementData.download;
var scoreFinished = req.passkeyuser.examinationData.score >= examinationConfig.incrementData.score;
req.passkeyuser.examinationData.isFinished = uploadFinished && downloadFinished && scoreFinished;
req.passkeyuser.examinationData.finishedTime = req.passkeyuser.examinationData.isFinished ? Date.now() : null;
req.passkeyuser.markModified('examinationData');
}
req.passkeyuser.save();
//write peer speed
var sp = {};
if (curru > 0) {
sp.peer_uspeed = Math.round(curru / (Date.now() - req.currentPeer.last_announce_at) * 1000);
}
if (currd > 0) {
sp.peer_dspeed = Math.round(currd / (Date.now() - req.currentPeer.last_announce_at) * 1000);
}
req.currentPeer.update({
$set: sp
}).exec();
//update score
//upload score and download score
var totalScore = 0;
var upUnitScore = 1;
var downUnitScore = 1;
var seederUnit = 1;
var lifeUnit = 1;
var action = scoreConfig.action.seedUpDownload;
var slAction = scoreConfig.action.seedSeederAndLife;
if (action.enable) {
var uploadScore = 0;
var downloadScore = 0;
if (curru > 0 && action.uploadEnable) {
if (req.torrent.torrent_size > action.additionSize) {
upUnitScore = Math.sqrt(req.torrent.torrent_size / action.additionSize);
}
var upScore = curru / action.perlSize;
uploadScore = upUnitScore * action.uploadValue * upScore;
}
if (currd > 0 && action.downloadEnable) {
if (req.torrent.torrent_size > action.additionSize) {
downUnitScore = Math.sqrt(req.torrent.torrent_size / action.additionSize);
}
var downScore = currd / action.perlSize;
downloadScore = downUnitScore * action.downloadValue * downScore;
}
totalScore = uploadScore + downloadScore;
if (totalScore > 0) {
//vip addition
if (action.vipRatio && req.passkeyuser.isVip) {
totalScore = totalScore * action.vipRatio;
}
if (slAction.enable) {
//torrent seeders count addition
if (req.torrent.torrent_seeds <= slAction.seederCount) {
seederUnit = slAction.seederBasicRatio + slAction.seederCoefficient * (slAction.seederCount - req.torrent.torrent_seeds + 1);
totalScore = totalScore * seederUnit;
}
//torrent life addition
var life = moment(Date.now()) - moment(req.torrent.createdat);
var days = life / (60 * 60 * 1000 * 24);
lifeUnit = slAction.lifeBasicRatio + slAction.lifeCoefficientOfDay * days;
lifeUnit = lifeUnit > slAction.lifeMaxRatio ? slAction.lifeMaxRatio : lifeUnit;
totalScore = totalScore * lifeUnit;
}
totalScore = Math.round(totalScore * 100) / 100;
scoreUpdate(req, req.passkeyuser, action, totalScore, false);
}
}
//write logs data into db
var logData = {
query_uploaded: query.uploaded,
query_downloaded: query.downloaded,
currentPeer_uploaded: req.currentPeer.peer_uploaded,
currentPeer_downloaded: req.currentPeer.peer_downloaded,
curr_uploaded: curru,
curr_downloaded: currd,
write_uploaded: u,
write_downloaded: d,
write_score: totalScore,
isVip: req.passkeyuser.isVip,
isUploader: req.passkeyuser._id.equals(req.torrent.user._id),
salesSettingValue: {
torrentSalesValue: req.torrent.torrent_sale_status,
globalSalesValue: isGlobalSaleValid ? globalSalesConfig.global.value : undefined,
vipSalesValue: globalSalesConfig.vip.value,
uploaderSalesValue: globalSalesConfig.uploader.value
},
scoreSettingValue: {
upUnitScore: upUnitScore,
downUnitScore: downUnitScore,
seederUnit: seederUnit,
lifeUnit: lifeUnit
}
};
dataLog.announceLog(req.passkeyuser, req.torrent, logData);
//create trace log
var traceData = {
user: req.passkeyuser._id,
torrent: req.torrent._id,
agent: req.get('User-Agent'),
ip: req.cf_ip,
port: query.port,
traceData: logData
};
traceLogCreate(req, traceConfig.action.userAnnounceData, traceData);
}
}
//write peer data
req.currentPeer.peer_uploaded = query.uploaded;
req.currentPeer.peer_downloaded = query.downloaded;
req.currentPeer.peer_left = query.left;
req.currentPeer.save();
done(null, curru, currd);
},
/*---------------------------------------------------------------
write complete data to completeTorrent and refresh completed ratio
---------------------------------------------------------------*/
function (curru, currd, done) {
if (curru > 0 || currd > 0) {
if (req.completeTorrent) {
mtDebug.debugGreen('---------------WRITE COMPLETE DATA----------------', 'ANNOUNCE', true, req.passkeyuser);
req.completeTorrent.total_uploaded += curru;
req.completeTorrent.total_downloaded += currd;
req.completeTorrent.save(function () {
done(null);
});
} else {
done(null);
}
} else {
done(null);
}
},
/*---------------------------------------------------------------
update H&R completeTorrent.total_seed_time
update H&R ratio in save
---------------------------------------------------------------*/
function (done) {
if (!req.currentPeer.isNewCreated) {
if (req.completeTorrent && req.completeTorrent.complete && event(query.event) !== EVENT_COMPLETED) {
mtDebug.debugGreen('---------------UPDATE H&R COMPLETE TOTAL_SEED_TIME----------------', 'ANNOUNCE', true, req.passkeyuser);
req.completeTorrent.total_seed_time += (Date.now() - req.currentPeer.last_announce_at);
req.completeTorrent.save(function () {
done(null);
});
} else {
done(null);
}
} else {
done(null);
}
},
/*---------------------------------------------------------------
upload user getting score through seed timed
include torrent seeders count coefficient value and life coefficient value
---------------------------------------------------------------*/
function (done) {
if (!req.currentPeer.isNewCreated) {
if (req.seeder && event(query.event) !== EVENT_COMPLETED && event(query.event) !== EVENT_STARTED) {
mtDebug.debugGreen('---------------UPLOAD SCORE THROUGH SEED TIMED----------------', 'ANNOUNCE', true, req.passkeyuser);
var action = scoreConfig.action.seedTimed;
var slAction = scoreConfig.action.seedSeederAndLife;
if (action.enable) {
var timed = Date.now() - req.currentPeer.last_announce_at;
var seedUnit = timed / action.additionTime;
var seedScore = seedUnit * action.timedValue;
if (seedScore > 0) {
//vip addition
if (action.vipRatio && req.passkeyuser.isVip) {
seedScore = seedScore * action.vipRatio;
}
if (slAction.enable) {
//torrent seeders count addition
if (req.torrent.torrent_seeds <= slAction.seederCount) {
var seederUnit = slAction.seederBasicRatio + slAction.seederCoefficient * (slAction.seederCount - req.torrent.torrent_seeds + 1);
seedScore = seedScore * seederUnit;
}
//torrent life addition
var life = moment(Date.now()) - moment(req.torrent.createdat);
var days = life / (60 * 60 * 1000 * 24);
var lifeUnit = slAction.lifeBasicRatio + slAction.lifeCoefficientOfDay * days;
lifeUnit = lifeUnit > slAction.lifeMaxRatio ? slAction.lifeMaxRatio : lifeUnit;
seedScore = seedScore * lifeUnit;
}
seedScore = Math.round(seedScore * 100) / 100;
scoreUpdate(req, req.passkeyuser, action, seedScore);
done(null);
} else {
done(null);
}
} else {
done(null);
}
} else {
done(null);
}
} else {
done(null);
}
},
/*---------------------------------------------------------------
update currentPeer.last_announce_at
update complateTorrent refreshat
---------------------------------------------------------------*/
function (done) {
mtDebug.debugGreen('---------------UPDATE LAST_ANNOUNCE_AT----------------', 'ANNOUNCE', true, req.passkeyuser);
if (!req.currentPeer.isNewCreated) {
req.currentPeer.last_announce_at = Date.now();
req.currentPeer.save();
}
if (req.completeTorrent) {
req.completeTorrent.globalUpdateMethod();
}
done(null);
},
/*---------------------------------------------------------------
onEventCompleted
---------------------------------------------------------------*/
function (done) {
if (event(query.event) === EVENT_COMPLETED) {
mtDebug.debugGreen('---------------EVENT_COMPLETED----------------', 'ANNOUNCE', true, req.passkeyuser);
//write completed torrent data into finished
var finished = new Finished();
finished.user = req.passkeyuser;
finished.torrent = req.torrent;
finished.user_ip = req.cf_ip;
finished.user_agent = req.get('User-Agent');
finished.user_port = query.port;
finished.save();
traceLogCreate(req, traceConfig.action.userAnnounceFinished, {
user: req.passkeyuser._id,
torrent: req.torrent._id,
agent: req.get('User-Agent'),
ip: req.cf_ip,
port: query.port
});
doCompleteEvent(function () {
done(null);
});
} else {
done(null);
}
},
/*---------------------------------------------------------------
count H&R warning for user on normal up/down process
---------------------------------------------------------------*/
function (done) {
if (!req.currentPeer.isNewCreated) {
if (req.completeTorrent && event(query.event) !== EVENT_COMPLETED) {
mtDebug.debugGreen('---------------COUNT H&R WARNING FOR USER----------------', 'ANNOUNCE', true, req.passkeyuser);
req.completeTorrent.countHnRWarning(false, true);
}
}
done(null);
},
/*---------------------------------------------------------------
onEventStopped
count H&R warning for user when EVENT_STOPPED
delete peers
---------------------------------------------------------------*/
function (done) {
if (event(query.event) === EVENT_STOPPED) {
mtDebug.debugGreen('---------------EVENT_STOPPED----------------', 'ANNOUNCE', true, req.passkeyuser);
if (req.completeTorrent) {
req.completeTorrent.countHnRWarning(true, false);
}
removeCurrPeer(function () {
done(null);
});
} else {
done(null);
}
},
/*---------------------------------------------------------------
update torrent and user seeding/leeching count numbers
---------------------------------------------------------------*/
function (done) {
mtDebug.debugGreen('---------------COUNT TORRENT SEEDING/LEECHING----------------', 'ANNOUNCE', true, req.passkeyuser);
req.torrent.updateSeedLeechNumbers(function (slCount) {
req.passkeyuser.updateSeedLeechNumbers();
if (slCount) {
mtDebug.debugYellow(JSON.stringify(slCount), 'ANNOUNCE', true, req.passkeyuser);
req.torrent.torrent_seeds = slCount.seedCount;
req.torrent.torrent_leechers = slCount.leechCount;
}
done(null);
});
},
/*---------------------------------------------------------------
sendPeers
compact mode
---------------------------------------------------------------*/
function (done) {
var want = WANT_DEFAULT;
if (typeof query.numwant !== 'undefined' && query.numwant > 0)
want = query.numwant;
var peerBuffer = new Buffer(want * PEER_COMPACT_SIZE);
var len = writePeers(peerBuffer, want, req.torrent._peers);
peerBuffer = peerBuffer.slice(0, len);
var resp = 'd8:intervali' + ANNOUNCE_INTERVAL + 'e8:completei' + req.torrent.torrent_seeds + 'e10:incompletei' + req.torrent.torrent_leechers + 'e10:downloadedi' + req.torrent.torrent_finished + 'e5:peers' + len + ':';
mtDebug.debugGreen(resp, 'ANNOUNCE', true, req.passkeyuser);
res.writeHead(200, {
'Content-Length': resp.length + peerBuffer.length + 1,
'Content-Type': 'text/plain'
});
res.write(resp);
res.write(peerBuffer);
res.end('e');
if (len > 0) {
mtDebug.debug(peerBuffer, 'ANNOUNCE', true, req.passkeyuser);
}
done(null, 'done');
}
], function (err, reason) {
if (err) {
sendError(new Failure(err, reason));
}
});
/**
* getCurrentPeer
* @returns {boolean}
*/
function getCurrentPeer(callback) {
req.selfpeer.every(function (p) {
if (p.peer_id === query.peer_id) {
req.currentPeer = p;
req.currentPeer.torrent = req.torrent;
req.currentPeer.isNewCreated = false;
if (req.seeder && req.currentPeer.peer_status !== PEERSTATE_SEEDER && event(query.event) !== EVENT_COMPLETED) {
mtDebug.debugGreen('---------------PEER STATUS CHANGED: Seeder----------------', 'ANNOUNCE', true, req.passkeyuser);
doCompleteEvent(function () {
if (callback) return callback();
});
} else {
if (callback) return callback();
}
}
return true;
});
//if not found then create req.currentPeer
if (!req.currentPeer) {
createCurrentPeer(function () {
if (callback) return callback();
});
}
}
/**
* doCompleteEvent
*/
function doCompleteEvent(callback) {
req.currentPeer.peer_status = PEERSTATE_SEEDER;
req.currentPeer.save();
req.torrent.torrent_finished += 1;
req.torrent.save();
req.passkeyuser.finished += 1;
req.passkeyuser.save();
//update completeTorrent complete status
if (req.completeTorrent) {
req.completeTorrent.complete = true;
req.completeTorrent.save(function () {
if (callback) callback();
});
} else {
if (callback) callback();
}
}
/**
* createCurrentPeer
*/
function createCurrentPeer(callback) {
var peer = new Peer();
peer.user = req.passkeyuser;
peer.torrent = req.torrent;
peer.peer_id = query.peer_id;
peer.peer_ip = req.cf_ip;
peer.peer_port = query.port;
peer.peer_left = query.left;
peer.peer_status = req.seeder ? PEERSTATE_SEEDER : PEERSTATE_LEECHER;
peer.user_agent = req.get('User-Agent');
peer.isNewCreated = true;
peer.last_announce_at = Date.now();
if (req.seeder) {
peer.finishedat = Date.now();
}
req.selfpeer.push(peer);
req.torrent.update({
$addToSet: {_peers: peer}
}).exec();
//save ip to user
req.passkeyuser.addLeechedIp(peer.peer_ip);
req.passkeyuser.addClientAgent(peer.user_agent);
peer.save(function (err) {
if (!err) {
req.currentPeer = peer;
mtDebug.debugGreen('---------------createCurrentPeer()----------------', 'ANNOUNCE', true, req.passkeyuser);
if (callback) callback();
}
});
}
/**
* removeCurrPeer
*/
function removeCurrPeer(callback) {
req.selfpeer.splice(req.selfpeer.indexOf(req.currentPeer), 1);
req.torrent._peers.forEach(function (_p) {
if (_p._id.equals(req.currentPeer._id)) {
req.torrent._peers.pull(_p);
req.torrent.save();
}
});
Peer.findById(req.currentPeer._id, function (err, _p) {
_p.remove(function (err) {
if (err) {
mtDebug.debugGreen('---------------removeCurrPeer(): Error----------------', 'ANNOUNCE', true, req.passkeyuser);
} else {
mtDebug.debugGreen('---------------removeCurrPeer()----------------', 'ANNOUNCE', true, req.passkeyuser);
}
if (callback) callback();
});
});
}
/**
* getSelfLeecherCount
* @returns {number}
*/
function getSelfLeecherCount() {
if (req.selfpeer.length === 0) {
return 0;
} else {
var i = 0;
req.selfpeer.forEach(function (p) {
if (p.peer_status === PEERSTATE_LEECHER) {
i++;
}
});
return i;
}
}
/**
* getSelfSeederCount
* @returns {number}
*/
function getSelfSeederCount() {
if (req.selfpeer.length === 0) {
return 0;
} else {
var i = 0;
req.selfpeer.forEach(function (p) {
if (p.peer_status === PEERSTATE_SEEDER) {
i++;
}
});
return i;
}
}
/**
* getUDRatio
* @returns {{}}
*/
function getUDRatio() {
var udr = {};
var sale = req.torrent.torrent_sale_status;
var start = moment(globalSalesConfig.global.startAt, globalSalesConfig.global.timeFormats).utc().valueOf();
var end = start + globalSalesConfig.global.expires;
var now = Date.now();
isGlobalSaleValid = (now > start && now < end && globalSalesConfig.global.value) ? true : false;
if (isGlobalSaleValid && globalSalesConfig.global.value) {
sale = globalSalesConfig.global.value;
}
switch (sale) {
case 'U1/FREE':
udr.ur = 1;
udr.dr = 0;
break;
case 'U1/D.3':
udr.ur = 1;
udr.dr = 0.3;
break;
case 'U1/D.5':
udr.ur = 1;
udr.dr = 0.5;
break;
case 'U1/D.8':
udr.ur = 1;
udr.dr = 0.8;
break;
case 'U2/FREE':
udr.ur = 2;
udr.dr = 0;
break;
case 'U2/D.3':
udr.ur = 2;
udr.dr = 0.3;
break;
case 'U2/D.5':
udr.ur = 2;
udr.dr = 0.5;
break;
case 'U2/D.8':
udr.ur = 2;
udr.dr = 0.8;
break;
case 'U2/D1':
udr.ur = 2;
udr.dr = 1;
break;
case 'U3/FREE':
udr.ur = 3;
udr.dr = 0;
break;
case 'U3/D.5':
udr.ur = 3;
udr.dr = 0.5;
break;
case 'U3/D.8':
udr.ur = 3;
udr.dr = 0.8;
break;
case 'U3/D1':
udr.ur = 3;
udr.dr = 1;
break;
default: /* U1D1 */
udr.ur = 1;
udr.dr = 1;
}
return udr;
}
/**
* sendError
* @param failure
*/
function sendError(failure) {
var respc = failure.bencode();
mtDebug.debugRed(respc, 'ANNOUNCE', true, req.passkeyuser);
res.writeHead(200, {
'Content-Length': respc.length,
'Content-Type': 'text/plain'
});
res.end(respc);
}
/**
* writePeers
* @param buf
* @param count
* @param peers
* @returns {number}
*/
function writePeers(buf, count, peers) {
var c = 0;
if (!req.seeder && event(query.event) !== EVENT_STOPPED && event(query.event) !== EVENT_COMPLETED) {
mtDebug.debugRed('want count=' + count, 'ANNOUNCE', true, req.passkeyuser);
mtDebug.debugRed(peers.length, 'ANNOUNCE', true, req.passkeyuser);
var p;
var bc;
var m = Math.min(peers.length, count);
for (var i = 0; i < m; i++) {
var index = 0;
if (peers.length < count) {
index = i;
} else {
index = Math.floor(Math.random() * peers.length);
}
p = peers[index];
if (p !== undefined && p !== req.currentPeer) {
if (p.last_announce_at > (Date.now() - announceConfig.announceInterval - announceConfig.announceIdleTime)) { //do not send inactive peer
if (p.user.equals(req.passkeyuser._id)) {
if (announceConfig.peersCheck.peersSendListIncludeOwnSeed) {
mtDebug.debug(p._id.toString() + ' IP:' + p.peer_ip + ' PORT:' + p.peer_port, 'ANNOUNCE', true, req.passkeyuser);
bc = compact(p);
if (bc) {
bc.copy(buf, c++ * PEER_COMPACT_SIZE);
}
}
} else {
mtDebug.debug(p._id.toString() + ' IP:' + p.peer_ip + ' PORT:' + p.peer_port, 'ANNOUNCE', true, req.passkeyuser);
bc = compact(p);
if (bc) {
bc.copy(buf, c++ * PEER_COMPACT_SIZE);
}
}
}
}
}
}
return c * PEER_COMPACT_SIZE;
}
/**
* compact
* @param p
* @returns {*}
*/
function compact(p) {
var b = new Buffer(PEER_COMPACT_SIZE);
var parts = p.peer_ip.split('.');
if (parts.length !== 4) {
return null;
} else {
for (var i = 0; i < 4; i++)
b[i] = parseInt(parts[i], 10);
b[4] = (p.peer_port >> 8) & 0xff;
b[5] = p.peer_port & 0xff;
return b;
}
}
};
/**
* userByPasskey
* @param req
* @param res
* @param next
* @param pk
* @returns {*}
*/
exports.userByPasskey = function (req, res, next, pk) {
User.findOne({passkey: pk})
.exec(function (err, u) {
if (u) {
req.passkeyuser = u;
// if ((moment(Date.now()) - moment(req.passkeyuser.last_signed)) > signConfig.idle.accountIdleForTime) {
// req.passkeyuser.update({
// $set: {status: 'idle'}
// }).exec();
// req.passkeyuser.status = 'idle';
// }
} else {
req.passkeyuser = undefined;
}
next();
});
};