mirror of https://github.com/Chocobozzz/PeerTube
98 lines
2.7 KiB
TypeScript
98 lines
2.7 KiB
TypeScript
import { logger } from '../helpers/logger'
|
|
import * as express from 'express'
|
|
import * as http from 'http'
|
|
import * as bitTorrentTracker from 'bittorrent-tracker'
|
|
import * as proxyAddr from 'proxy-addr'
|
|
import { Server as WebSocketServer } from 'ws'
|
|
import { CONFIG, TRACKER_RATE_LIMITS } from '../initializers/constants'
|
|
import { VideoFileModel } from '../models/video/video-file'
|
|
|
|
const TrackerServer = bitTorrentTracker.Server
|
|
|
|
const trackerRouter = express.Router()
|
|
|
|
let peersIps = {}
|
|
let peersIpInfoHash = {}
|
|
runPeersChecker()
|
|
|
|
const trackerServer = new TrackerServer({
|
|
http: false,
|
|
udp: false,
|
|
ws: false,
|
|
dht: false,
|
|
filter: function (infoHash, params, cb) {
|
|
let ip: string
|
|
|
|
if (params.type === 'ws') {
|
|
ip = params.socket.ip
|
|
} else {
|
|
ip = params.httpReq.ip
|
|
}
|
|
|
|
const key = ip + '-' + infoHash
|
|
|
|
peersIps[ip] = peersIps[ip] ? peersIps[ip] + 1 : 1
|
|
peersIpInfoHash[key] = peersIpInfoHash[key] ? peersIpInfoHash[key] + 1 : 1
|
|
|
|
if (peersIpInfoHash[key] > TRACKER_RATE_LIMITS.ANNOUNCES_PER_IP_PER_INFOHASH) {
|
|
return cb(new Error(`Too many requests (${peersIpInfoHash[ key ]} of ip ${ip} for torrent ${infoHash}`))
|
|
}
|
|
|
|
VideoFileModel.isInfohashExists(infoHash)
|
|
.then(exists => {
|
|
if (exists === false) return cb(new Error(`Unknown infoHash ${infoHash}`))
|
|
|
|
return cb()
|
|
})
|
|
}
|
|
})
|
|
|
|
trackerServer.on('error', function (err) {
|
|
logger.error('Error in tracker.', { err })
|
|
})
|
|
|
|
trackerServer.on('warning', function (err) {
|
|
logger.warn('Warning in tracker.', { err })
|
|
})
|
|
|
|
const onHttpRequest = trackerServer.onHttpRequest.bind(trackerServer)
|
|
trackerRouter.get('/tracker/announce', (req, res) => onHttpRequest(req, res, { action: 'announce' }))
|
|
trackerRouter.get('/tracker/scrape', (req, res) => onHttpRequest(req, res, { action: 'scrape' }))
|
|
|
|
function createWebsocketServer (app: express.Application) {
|
|
const server = http.createServer(app)
|
|
const wss = new WebSocketServer({ server: server, path: '/tracker/socket' })
|
|
wss.on('connection', function (ws, req) {
|
|
const ip = proxyAddr(req, CONFIG.TRUST_PROXY)
|
|
ws['ip'] = ip
|
|
|
|
trackerServer.onWebSocketConnection(ws)
|
|
})
|
|
|
|
return server
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
export {
|
|
trackerRouter,
|
|
createWebsocketServer
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
function runPeersChecker () {
|
|
setInterval(() => {
|
|
logger.debug('Checking peers.')
|
|
|
|
for (const ip of Object.keys(peersIpInfoHash)) {
|
|
if (peersIps[ip] > TRACKER_RATE_LIMITS.ANNOUNCES_PER_IP) {
|
|
logger.warn('Peer %s made abnormal requests (%d).', ip, peersIps[ip])
|
|
}
|
|
}
|
|
|
|
peersIpInfoHash = {}
|
|
peersIps = {}
|
|
}, TRACKER_RATE_LIMITS.INTERVAL)
|
|
}
|