1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
import * as createTorrent from 'create-torrent'
import { createWriteStream, ensureDir, remove, writeFile } from 'fs-extra'
import * as magnetUtil from 'magnet-uri'
import * as parseTorrent from 'parse-torrent'
import { dirname, join } from 'path'
import * as WebTorrent from 'webtorrent'
import { isArray } from '@server/helpers/custom-validators/misc'
import { WEBSERVER } from '@server/initializers/constants'
import { generateTorrentFileName, getVideoFilePath } from '@server/lib/video-paths'
import { MVideo } from '@server/types/models/video/video'
import { MVideoFile, MVideoFileRedundanciesOpt } from '@server/types/models/video/video-file'
import { MStreamingPlaylistVideo } from '@server/types/models/video/video-streaming-playlist'
import { CONFIG } from '../initializers/config'
import { promisify2 } from './core-utils'
import { logger } from './logger'
import { generateVideoImportTmpPath } from './utils'
import { extractVideo } from './video'
const createTorrentPromise = promisify2<string, any, any>(createTorrent)
async function downloadWebTorrentVideo (target: { magnetUri: string, torrentName?: string }, timeout: number) {
const id = target.magnetUri || 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)
return new Promise<string>((res, rej) => {
const webtorrent = new WebTorrent()
let file: WebTorrent.TorrentFile
const torrentId = target.magnetUri || 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')))
}
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 }))
})
file.createReadStream().pipe(writeStream)
})
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)
})
}
async function createTorrentAndSetInfoHash (
videoOrPlaylist: MVideo | MStreamingPlaylistVideo,
videoFile: MVideoFile
) {
const video = extractVideo(videoOrPlaylist)
const options = {
// Keep the extname, it's used by the client to stream the file inside a web browser
name: `${video.name} ${videoFile.resolution}p${videoFile.extname}`,
createdBy: 'PeerTube',
announceList: [
[ WEBSERVER.WS + '://' + WEBSERVER.HOSTNAME + ':' + WEBSERVER.PORT + '/tracker/socket' ],
[ WEBSERVER.URL + '/tracker/announce' ]
],
urlList: [ videoFile.getFileUrl(video) ]
}
const torrent = await createTorrentPromise(getVideoFilePath(videoOrPlaylist, videoFile), options)
const torrentFilename = generateTorrentFileName(videoOrPlaylist, videoFile.resolution)
const torrentPath = join(CONFIG.STORAGE.TORRENTS_DIR, torrentFilename)
logger.info('Creating torrent %s.', torrentPath)
await writeFile(torrentPath, torrent)
const parsedTorrent = parseTorrent(torrent)
videoFile.infoHash = parsedTorrent.infoHash
videoFile.torrentFilename = torrentFilename
}
function generateMagnetUri (
video: MVideo,
videoFile: MVideoFileRedundanciesOpt,
trackerUrls: string[]
) {
const xs = videoFile.getTorrentUrl()
const announce = trackerUrls
let urlList = [ 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 magnetUtil.encode(magnetHash)
}
// ---------------------------------------------------------------------------
export {
createTorrentPromise,
createTorrentAndSetInfoHash,
generateMagnetUri,
downloadWebTorrentVideo
}
// ---------------------------------------------------------------------------
function safeWebtorrentDestroy (
webtorrent: 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 }))
}
|
