mirror of https://github.com/Chocobozzz/PeerTube
267 lines
9.0 KiB
TypeScript
267 lines
9.0 KiB
TypeScript
import bencode from 'bencode'
|
|
import createTorrent from 'create-torrent'
|
|
import { createWriteStream } from 'fs'
|
|
import { ensureDir, pathExists, remove } from 'fs-extra/esm'
|
|
import { readFile, writeFile } from 'fs/promises'
|
|
import { encode as magnetUriEncode } from 'magnet-uri'
|
|
import parseTorrent from 'parse-torrent'
|
|
import { dirname, join } from 'path'
|
|
import { pipeline } from 'stream'
|
|
import { promisify2 } from '@peertube/peertube-core-utils'
|
|
import { isArray } from '@server/helpers/custom-validators/misc.js'
|
|
import { WEBSERVER } from '@server/initializers/constants.js'
|
|
import { generateTorrentFileName } from '@server/lib/paths.js'
|
|
import { VideoPathManager } from '@server/lib/video-path-manager.js'
|
|
import { MVideoFile, MVideoFileRedundanciesOpt } from '@server/types/models/video/video-file.js'
|
|
import { MStreamingPlaylistVideo } from '@server/types/models/video/video-streaming-playlist.js'
|
|
import { MVideo } from '@server/types/models/video/video.js'
|
|
import { sha1 } from '@peertube/peertube-node-utils'
|
|
import { CONFIG } from '../initializers/config.js'
|
|
import { logger } from './logger.js'
|
|
import { generateVideoImportTmpPath } from './utils.js'
|
|
import { extractVideo } from './video.js'
|
|
|
|
import type { Instance, TorrentFile } from 'webtorrent'
|
|
|
|
const createTorrentPromise = promisify2<string, any, any>(createTorrent)
|
|
|
|
async function downloadWebTorrentVideo (target: { uri: string, torrentName?: string }, timeout: number) {
|
|
const id = target.uri || target.torrentName
|
|
let timer
|
|
|
|
const path = generateVideoImportTmpPath(id)
|
|
logger.info('Importing torrent video %s', id)
|
|
|
|
const directoryPath = join(CONFIG.STORAGE.TMP_DIR, 'webtorrent')
|
|
await ensureDir(directoryPath)
|
|
|
|
// eslint-disable-next-line new-cap
|
|
const webtorrent = new (await import('webtorrent')).default()
|
|
|
|
return new Promise<string>((res, rej) => {
|
|
let file: TorrentFile
|
|
|
|
const torrentId = target.uri || join(CONFIG.STORAGE.TORRENTS_DIR, target.torrentName)
|
|
|
|
const options = { path: directoryPath }
|
|
const torrent = webtorrent.add(torrentId, options, torrent => {
|
|
if (torrent.files.length !== 1) {
|
|
if (timer) clearTimeout(timer)
|
|
|
|
for (const file of torrent.files) {
|
|
deleteDownloadedFile({ directoryPath, filepath: file.path })
|
|
}
|
|
|
|
return safeWebtorrentDestroy(webtorrent, torrentId, undefined, target.torrentName)
|
|
.then(() => rej(new Error('Cannot import torrent ' + torrentId + ': there are multiple files in it')))
|
|
}
|
|
|
|
logger.debug('Got torrent from webtorrent %s.', id, { infoHash: torrent.infoHash })
|
|
|
|
file = torrent.files[0]
|
|
|
|
// FIXME: avoid creating another stream when https://github.com/webtorrent/webtorrent/issues/1517 is fixed
|
|
const writeStream = createWriteStream(path)
|
|
writeStream.on('finish', () => {
|
|
if (timer) clearTimeout(timer)
|
|
|
|
safeWebtorrentDestroy(webtorrent, torrentId, { directoryPath, filepath: file.path }, target.torrentName)
|
|
.then(() => res(path))
|
|
.catch(err => logger.error('Cannot destroy webtorrent.', { err }))
|
|
})
|
|
|
|
pipeline(
|
|
file.createReadStream(),
|
|
writeStream,
|
|
err => {
|
|
if (err) rej(err)
|
|
}
|
|
)
|
|
})
|
|
|
|
torrent.on('error', err => rej(err))
|
|
|
|
timer = setTimeout(() => {
|
|
const err = new Error('Webtorrent download timeout.')
|
|
|
|
safeWebtorrentDestroy(webtorrent, torrentId, file ? { directoryPath, filepath: file.path } : undefined, target.torrentName)
|
|
.then(() => rej(err))
|
|
.catch(destroyErr => {
|
|
logger.error('Cannot destroy webtorrent.', { err: destroyErr })
|
|
rej(err)
|
|
})
|
|
|
|
}, timeout)
|
|
})
|
|
}
|
|
|
|
function createTorrentAndSetInfoHash (videoOrPlaylist: MVideo | MStreamingPlaylistVideo, videoFile: MVideoFile) {
|
|
return VideoPathManager.Instance.makeAvailableVideoFile(videoFile.withVideoOrPlaylist(videoOrPlaylist), videoPath => {
|
|
return createTorrentAndSetInfoHashFromPath(videoOrPlaylist, videoFile, videoPath)
|
|
})
|
|
}
|
|
|
|
async function createTorrentAndSetInfoHashFromPath (
|
|
videoOrPlaylist: MVideo | MStreamingPlaylistVideo,
|
|
videoFile: MVideoFile,
|
|
filePath: string
|
|
) {
|
|
const video = extractVideo(videoOrPlaylist)
|
|
|
|
const options = {
|
|
// Keep the extname, it's used by the client to stream the file inside a web browser
|
|
name: buildInfoName(video, videoFile),
|
|
createdBy: 'PeerTube',
|
|
announceList: buildAnnounceList(),
|
|
urlList: buildUrlList(video, videoFile)
|
|
}
|
|
|
|
const torrentContent = await createTorrentPromise(filePath, options)
|
|
|
|
const torrentFilename = generateTorrentFileName(videoOrPlaylist, videoFile.resolution)
|
|
const torrentPath = join(CONFIG.STORAGE.TORRENTS_DIR, torrentFilename)
|
|
logger.info('Creating torrent %s.', torrentPath)
|
|
|
|
await writeFile(torrentPath, torrentContent)
|
|
|
|
// Remove old torrent file if it existed
|
|
if (videoFile.hasTorrent()) {
|
|
await remove(join(CONFIG.STORAGE.TORRENTS_DIR, videoFile.torrentFilename))
|
|
}
|
|
|
|
// FIXME: typings: parseTorrent now returns an async result
|
|
const parsedTorrent = await (parseTorrent(torrentContent) as unknown as Promise<parseTorrent.Instance>)
|
|
videoFile.infoHash = parsedTorrent.infoHash
|
|
videoFile.torrentFilename = torrentFilename
|
|
}
|
|
|
|
async function updateTorrentMetadata (videoOrPlaylist: MVideo | MStreamingPlaylistVideo, videoFile: MVideoFile) {
|
|
const video = extractVideo(videoOrPlaylist)
|
|
|
|
const oldTorrentPath = join(CONFIG.STORAGE.TORRENTS_DIR, videoFile.torrentFilename)
|
|
|
|
if (!await pathExists(oldTorrentPath)) {
|
|
logger.info('Do not update torrent metadata %s of video %s because the file does not exist anymore.', video.uuid, oldTorrentPath)
|
|
return
|
|
}
|
|
|
|
const torrentContent = await readFile(oldTorrentPath)
|
|
const decoded = bencode.decode(torrentContent)
|
|
|
|
decoded['announce-list'] = buildAnnounceList()
|
|
decoded.announce = decoded['announce-list'][0][0]
|
|
|
|
decoded['url-list'] = buildUrlList(video, videoFile)
|
|
|
|
decoded.info.name = buildInfoName(video, videoFile)
|
|
decoded['creation date'] = Math.ceil(Date.now() / 1000)
|
|
|
|
const newTorrentFilename = generateTorrentFileName(videoOrPlaylist, videoFile.resolution)
|
|
const newTorrentPath = join(CONFIG.STORAGE.TORRENTS_DIR, newTorrentFilename)
|
|
|
|
logger.info('Updating torrent metadata %s -> %s.', oldTorrentPath, newTorrentPath)
|
|
|
|
await writeFile(newTorrentPath, bencode.encode(decoded))
|
|
await remove(oldTorrentPath)
|
|
|
|
videoFile.torrentFilename = newTorrentFilename
|
|
videoFile.infoHash = sha1(bencode.encode(decoded.info))
|
|
}
|
|
|
|
function generateMagnetUri (
|
|
video: MVideo,
|
|
videoFile: MVideoFileRedundanciesOpt,
|
|
trackerUrls: string[]
|
|
) {
|
|
const xs = videoFile.getTorrentUrl()
|
|
const announce = trackerUrls
|
|
|
|
let urlList = video.hasPrivateStaticPath()
|
|
? []
|
|
: [ videoFile.getFileUrl(video) ]
|
|
|
|
const redundancies = videoFile.RedundancyVideos
|
|
if (isArray(redundancies)) urlList = urlList.concat(redundancies.map(r => r.fileUrl))
|
|
|
|
const magnetHash = {
|
|
xs,
|
|
announce,
|
|
urlList,
|
|
infoHash: videoFile.infoHash,
|
|
name: video.name
|
|
}
|
|
|
|
return magnetUriEncode(magnetHash)
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
export {
|
|
createTorrentPromise,
|
|
updateTorrentMetadata,
|
|
|
|
createTorrentAndSetInfoHash,
|
|
createTorrentAndSetInfoHashFromPath,
|
|
|
|
generateMagnetUri,
|
|
downloadWebTorrentVideo
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
function safeWebtorrentDestroy (
|
|
webtorrent: Instance,
|
|
torrentId: string,
|
|
downloadedFile?: { directoryPath: string, filepath: string },
|
|
torrentName?: string
|
|
) {
|
|
return new Promise<void>(res => {
|
|
webtorrent.destroy(err => {
|
|
// Delete torrent file
|
|
if (torrentName) {
|
|
logger.debug('Removing %s torrent after webtorrent download.', torrentId)
|
|
remove(torrentId)
|
|
.catch(err => logger.error('Cannot remove torrent %s in webtorrent download.', torrentId, { err }))
|
|
}
|
|
|
|
// Delete downloaded file
|
|
if (downloadedFile) deleteDownloadedFile(downloadedFile)
|
|
|
|
if (err) logger.warn('Cannot destroy webtorrent in timeout.', { err })
|
|
|
|
return res()
|
|
})
|
|
})
|
|
}
|
|
|
|
function deleteDownloadedFile (downloadedFile: { directoryPath: string, filepath: string }) {
|
|
// We want to delete the base directory
|
|
let pathToDelete = dirname(downloadedFile.filepath)
|
|
if (pathToDelete === '.') pathToDelete = downloadedFile.filepath
|
|
|
|
const toRemovePath = join(downloadedFile.directoryPath, pathToDelete)
|
|
|
|
logger.debug('Removing %s after webtorrent download.', toRemovePath)
|
|
remove(toRemovePath)
|
|
.catch(err => logger.error('Cannot remove torrent file %s in webtorrent download.', toRemovePath, { err }))
|
|
}
|
|
|
|
function buildAnnounceList () {
|
|
return [
|
|
[ WEBSERVER.WS + '://' + WEBSERVER.HOSTNAME + ':' + WEBSERVER.PORT + '/tracker/socket' ],
|
|
[ WEBSERVER.URL + '/tracker/announce' ]
|
|
]
|
|
}
|
|
|
|
function buildUrlList (video: MVideo, videoFile: MVideoFile) {
|
|
if (video.hasPrivateStaticPath()) return []
|
|
|
|
return [ videoFile.getFileUrl(video) ]
|
|
}
|
|
|
|
function buildInfoName (video: MVideo, videoFile: MVideoFile) {
|
|
const videoName = video.name.replace(/[/\\?%*:|"<>]/g, '-')
|
|
|
|
return `${videoName} ${videoFile.resolution}p${videoFile.extname}`
|
|
}
|