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Commit | Line | Data |
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30ff39e7 | 1 | import * as createTorrent from 'create-torrent' |
90a8bd30 | 2 | import { createWriteStream, ensureDir, remove, writeFile } from 'fs-extra' |
d7a25329 | 3 | import * as magnetUtil from 'magnet-uri' |
90a8bd30 C |
4 | import * as parseTorrent from 'parse-torrent' |
5 | import { dirname, join } from 'path' | |
6 | import * as WebTorrent from 'webtorrent' | |
d7a25329 | 7 | import { isArray } from '@server/helpers/custom-validators/misc' |
90a8bd30 C |
8 | import { WEBSERVER } from '@server/initializers/constants' |
9 | import { generateTorrentFileName, getVideoFilePath } from '@server/lib/video-paths' | |
8efc27bf | 10 | import { MVideo } from '@server/types/models/video/video' |
90a8bd30 C |
11 | import { MVideoFile, MVideoFileRedundanciesOpt } from '@server/types/models/video/video-file' |
12 | import { MStreamingPlaylistVideo } from '@server/types/models/video/video-streaming-playlist' | |
13 | import { CONFIG } from '../initializers/config' | |
14 | import { promisify2 } from './core-utils' | |
15 | import { logger } from './logger' | |
16 | import { generateVideoImportTmpPath } from './utils' | |
8efc27bf | 17 | import { extractVideo } from './video' |
d7a25329 C |
18 | |
19 | const createTorrentPromise = promisify2<string, any, any>(createTorrent) | |
ce33919c | 20 | |
cf9166cf | 21 | async function downloadWebTorrentVideo (target: { magnetUri: string, torrentName?: string }, timeout: number) { |
990b6a0b | 22 | const id = target.magnetUri || target.torrentName |
c48e82b5 | 23 | let timer |
ce33919c | 24 | |
6040f87d | 25 | const path = generateVideoImportTmpPath(id) |
990b6a0b | 26 | logger.info('Importing torrent video %s', id) |
ce33919c | 27 | |
6040f87d | 28 | const directoryPath = join(CONFIG.STORAGE.TMP_DIR, 'webtorrent') |
a71de50b C |
29 | await ensureDir(directoryPath) |
30 | ||
ce33919c C |
31 | return new Promise<string>((res, rej) => { |
32 | const webtorrent = new WebTorrent() | |
c48e82b5 | 33 | let file: WebTorrent.TorrentFile |
ce33919c | 34 | |
990b6a0b | 35 | const torrentId = target.magnetUri || join(CONFIG.STORAGE.TORRENTS_DIR, target.torrentName) |
541006e3 | 36 | |
a71de50b | 37 | const options = { path: directoryPath } |
541006e3 | 38 | const torrent = webtorrent.add(torrentId, options, torrent => { |
c48e82b5 C |
39 | if (torrent.files.length !== 1) { |
40 | if (timer) clearTimeout(timer) | |
ce33919c | 41 | |
a1587156 | 42 | for (const file of torrent.files) { |
e37c85e9 C |
43 | deleteDownloadedFile({ directoryPath, filepath: file.path }) |
44 | } | |
45 | ||
46 | return safeWebtorrentDestroy(webtorrent, torrentId, undefined, target.torrentName) | |
dae4a1c0 | 47 | .then(() => rej(new Error('Cannot import torrent ' + torrentId + ': there are multiple files in it'))) |
c48e82b5 C |
48 | } |
49 | ||
a1587156 | 50 | file = torrent.files[0] |
a71de50b C |
51 | |
52 | // FIXME: avoid creating another stream when https://github.com/webtorrent/webtorrent/issues/1517 is fixed | |
53 | const writeStream = createWriteStream(path) | |
54 | writeStream.on('finish', () => { | |
55 | if (timer) clearTimeout(timer) | |
56 | ||
a1587156 | 57 | safeWebtorrentDestroy(webtorrent, torrentId, { directoryPath, filepath: file.path }, target.torrentName) |
a71de50b | 58 | .then(() => res(path)) |
a1587156 | 59 | .catch(err => logger.error('Cannot destroy webtorrent.', { err })) |
69fa54a0 | 60 | }) |
a71de50b C |
61 | |
62 | file.createReadStream().pipe(writeStream) | |
3e17515e | 63 | }) |
ce33919c C |
64 | |
65 | torrent.on('error', err => rej(err)) | |
c48e82b5 | 66 | |
a1587156 C |
67 | timer = setTimeout(() => { |
68 | const err = new Error('Webtorrent download timeout.') | |
69 | ||
70 | safeWebtorrentDestroy(webtorrent, torrentId, file ? { directoryPath, filepath: file.path } : undefined, target.torrentName) | |
71 | .then(() => rej(err)) | |
72 | .catch(destroyErr => { | |
73 | logger.error('Cannot destroy webtorrent.', { err: destroyErr }) | |
74 | rej(err) | |
75 | }) | |
76 | ||
cf9166cf | 77 | }, timeout) |
ce33919c C |
78 | }) |
79 | } | |
80 | ||
90a8bd30 C |
81 | async function createTorrentAndSetInfoHash ( |
82 | videoOrPlaylist: MVideo | MStreamingPlaylistVideo, | |
90a8bd30 C |
83 | videoFile: MVideoFile |
84 | ) { | |
8efc27bf C |
85 | const video = extractVideo(videoOrPlaylist) |
86 | ||
d7a25329 C |
87 | const options = { |
88 | // Keep the extname, it's used by the client to stream the file inside a web browser | |
89 | name: `${video.name} ${videoFile.resolution}p${videoFile.extname}`, | |
90 | createdBy: 'PeerTube', | |
91 | announceList: [ | |
92 | [ WEBSERVER.WS + '://' + WEBSERVER.HOSTNAME + ':' + WEBSERVER.PORT + '/tracker/socket' ], | |
93 | [ WEBSERVER.URL + '/tracker/announce' ] | |
94 | ], | |
90a8bd30 | 95 | urlList: [ videoFile.getFileUrl(video) ] |
d7a25329 C |
96 | } |
97 | ||
98 | const torrent = await createTorrentPromise(getVideoFilePath(videoOrPlaylist, videoFile), options) | |
99 | ||
90a8bd30 C |
100 | const torrentFilename = generateTorrentFileName(videoOrPlaylist, videoFile.resolution) |
101 | const torrentPath = join(CONFIG.STORAGE.TORRENTS_DIR, torrentFilename) | |
102 | logger.info('Creating torrent %s.', torrentPath) | |
d7a25329 | 103 | |
90a8bd30 | 104 | await writeFile(torrentPath, torrent) |
d7a25329 C |
105 | |
106 | const parsedTorrent = parseTorrent(torrent) | |
107 | videoFile.infoHash = parsedTorrent.infoHash | |
90a8bd30 | 108 | videoFile.torrentFilename = torrentFilename |
d7a25329 C |
109 | } |
110 | ||
111 | function generateMagnetUri ( | |
8efc27bf | 112 | video: MVideo, |
d7a25329 | 113 | videoFile: MVideoFileRedundanciesOpt, |
d9a2a031 | 114 | trackerUrls: string[] |
d7a25329 | 115 | ) { |
90a8bd30 | 116 | const xs = videoFile.getTorrentUrl() |
d9a2a031 | 117 | const announce = trackerUrls |
90a8bd30 | 118 | let urlList = [ videoFile.getFileUrl(video) ] |
d7a25329 C |
119 | |
120 | const redundancies = videoFile.RedundancyVideos | |
121 | if (isArray(redundancies)) urlList = urlList.concat(redundancies.map(r => r.fileUrl)) | |
122 | ||
123 | const magnetHash = { | |
124 | xs, | |
125 | announce, | |
126 | urlList, | |
127 | infoHash: videoFile.infoHash, | |
128 | name: video.name | |
129 | } | |
130 | ||
131 | return magnetUtil.encode(magnetHash) | |
132 | } | |
30ff39e7 | 133 | |
ce33919c C |
134 | // --------------------------------------------------------------------------- |
135 | ||
136 | export { | |
d441f2ed | 137 | createTorrentPromise, |
d7a25329 C |
138 | createTorrentAndSetInfoHash, |
139 | generateMagnetUri, | |
ce33919c C |
140 | downloadWebTorrentVideo |
141 | } | |
c48e82b5 C |
142 | |
143 | // --------------------------------------------------------------------------- | |
144 | ||
d0b52b52 C |
145 | function safeWebtorrentDestroy ( |
146 | webtorrent: WebTorrent.Instance, | |
147 | torrentId: string, | |
148 | downloadedFile?: { directoryPath: string, filepath: string }, | |
149 | torrentName?: string | |
150 | ) { | |
ba5a8d89 | 151 | return new Promise<void>(res => { |
c48e82b5 C |
152 | webtorrent.destroy(err => { |
153 | // Delete torrent file | |
154 | if (torrentName) { | |
d0b52b52 | 155 | logger.debug('Removing %s torrent after webtorrent download.', torrentId) |
c48e82b5 C |
156 | remove(torrentId) |
157 | .catch(err => logger.error('Cannot remove torrent %s in webtorrent download.', torrentId, { err })) | |
158 | } | |
159 | ||
160 | // Delete downloaded file | |
e37c85e9 | 161 | if (downloadedFile) deleteDownloadedFile(downloadedFile) |
c48e82b5 | 162 | |
e37c85e9 | 163 | if (err) logger.warn('Cannot destroy webtorrent in timeout.', { err }) |
c48e82b5 C |
164 | |
165 | return res() | |
166 | }) | |
167 | }) | |
168 | } | |
e37c85e9 C |
169 | |
170 | function deleteDownloadedFile (downloadedFile: { directoryPath: string, filepath: string }) { | |
171 | // We want to delete the base directory | |
172 | let pathToDelete = dirname(downloadedFile.filepath) | |
173 | if (pathToDelete === '.') pathToDelete = downloadedFile.filepath | |
174 | ||
175 | const toRemovePath = join(downloadedFile.directoryPath, pathToDelete) | |
176 | ||
177 | logger.debug('Removing %s after webtorrent download.', toRemovePath) | |
178 | remove(toRemovePath) | |
179 | .catch(err => logger.error('Cannot remove torrent file %s in webtorrent download.', toRemovePath, { err })) | |
180 | } |