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Commit | Line | Data |
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1f6125be | 1 | import * as bencode from 'bencode' |
30ff39e7 | 2 | import * as createTorrent from 'create-torrent' |
1f6125be | 3 | import { createWriteStream, ensureDir, readFile, remove, writeFile } from 'fs-extra' |
d7a25329 | 4 | import * as magnetUtil from 'magnet-uri' |
90a8bd30 C |
5 | import * as parseTorrent from 'parse-torrent' |
6 | import { dirname, join } from 'path' | |
7 | import * as WebTorrent from 'webtorrent' | |
d7a25329 | 8 | import { isArray } from '@server/helpers/custom-validators/misc' |
90a8bd30 | 9 | import { WEBSERVER } from '@server/initializers/constants' |
0305db28 JB |
10 | import { generateTorrentFileName } from '@server/lib/paths' |
11 | import { VideoPathManager } from '@server/lib/video-path-manager' | |
8efc27bf | 12 | import { MVideo } from '@server/types/models/video/video' |
90a8bd30 C |
13 | import { MVideoFile, MVideoFileRedundanciesOpt } from '@server/types/models/video/video-file' |
14 | import { MStreamingPlaylistVideo } from '@server/types/models/video/video-streaming-playlist' | |
15 | import { CONFIG } from '../initializers/config' | |
16 | import { promisify2 } from './core-utils' | |
17 | import { logger } from './logger' | |
18 | import { generateVideoImportTmpPath } from './utils' | |
8efc27bf | 19 | import { extractVideo } from './video' |
0bae6663 | 20 | import { pipeline } from 'stream' |
d7a25329 C |
21 | |
22 | const createTorrentPromise = promisify2<string, any, any>(createTorrent) | |
ce33919c | 23 | |
cf9166cf | 24 | async function downloadWebTorrentVideo (target: { magnetUri: string, torrentName?: string }, timeout: number) { |
990b6a0b | 25 | const id = target.magnetUri || target.torrentName |
c48e82b5 | 26 | let timer |
ce33919c | 27 | |
6040f87d | 28 | const path = generateVideoImportTmpPath(id) |
990b6a0b | 29 | logger.info('Importing torrent video %s', id) |
ce33919c | 30 | |
6040f87d | 31 | const directoryPath = join(CONFIG.STORAGE.TMP_DIR, 'webtorrent') |
a71de50b C |
32 | await ensureDir(directoryPath) |
33 | ||
ce33919c C |
34 | return new Promise<string>((res, rej) => { |
35 | const webtorrent = new WebTorrent() | |
c48e82b5 | 36 | let file: WebTorrent.TorrentFile |
ce33919c | 37 | |
990b6a0b | 38 | const torrentId = target.magnetUri || join(CONFIG.STORAGE.TORRENTS_DIR, target.torrentName) |
541006e3 | 39 | |
a71de50b | 40 | const options = { path: directoryPath } |
541006e3 | 41 | const torrent = webtorrent.add(torrentId, options, torrent => { |
c48e82b5 C |
42 | if (torrent.files.length !== 1) { |
43 | if (timer) clearTimeout(timer) | |
ce33919c | 44 | |
a1587156 | 45 | for (const file of torrent.files) { |
e37c85e9 C |
46 | deleteDownloadedFile({ directoryPath, filepath: file.path }) |
47 | } | |
48 | ||
49 | return safeWebtorrentDestroy(webtorrent, torrentId, undefined, target.torrentName) | |
dae4a1c0 | 50 | .then(() => rej(new Error('Cannot import torrent ' + torrentId + ': there are multiple files in it'))) |
c48e82b5 C |
51 | } |
52 | ||
0bae6663 C |
53 | logger.debug('Got torrent from webtorrent %s.', id, { infoHash: torrent.infoHash, files: torrent.files }) |
54 | ||
a1587156 | 55 | file = torrent.files[0] |
a71de50b C |
56 | |
57 | // FIXME: avoid creating another stream when https://github.com/webtorrent/webtorrent/issues/1517 is fixed | |
58 | const writeStream = createWriteStream(path) | |
59 | writeStream.on('finish', () => { | |
60 | if (timer) clearTimeout(timer) | |
61 | ||
a1587156 | 62 | safeWebtorrentDestroy(webtorrent, torrentId, { directoryPath, filepath: file.path }, target.torrentName) |
a71de50b | 63 | .then(() => res(path)) |
a1587156 | 64 | .catch(err => logger.error('Cannot destroy webtorrent.', { err })) |
69fa54a0 | 65 | }) |
a71de50b | 66 | |
0bae6663 C |
67 | pipeline( |
68 | file.createReadStream(), | |
69 | writeStream, | |
70 | err => rej(err) | |
71 | ) | |
3e17515e | 72 | }) |
ce33919c C |
73 | |
74 | torrent.on('error', err => rej(err)) | |
c48e82b5 | 75 | |
a1587156 C |
76 | timer = setTimeout(() => { |
77 | const err = new Error('Webtorrent download timeout.') | |
78 | ||
79 | safeWebtorrentDestroy(webtorrent, torrentId, file ? { directoryPath, filepath: file.path } : undefined, target.torrentName) | |
80 | .then(() => rej(err)) | |
81 | .catch(destroyErr => { | |
82 | logger.error('Cannot destroy webtorrent.', { err: destroyErr }) | |
83 | rej(err) | |
84 | }) | |
85 | ||
cf9166cf | 86 | }, timeout) |
ce33919c C |
87 | }) |
88 | } | |
89 | ||
1f6125be | 90 | function createTorrentAndSetInfoHash (videoOrPlaylist: MVideo | MStreamingPlaylistVideo, videoFile: MVideoFile) { |
8efc27bf C |
91 | const video = extractVideo(videoOrPlaylist) |
92 | ||
d7a25329 C |
93 | const options = { |
94 | // Keep the extname, it's used by the client to stream the file inside a web browser | |
95 | name: `${video.name} ${videoFile.resolution}p${videoFile.extname}`, | |
96 | createdBy: 'PeerTube', | |
1f6125be C |
97 | announceList: buildAnnounceList(), |
98 | urlList: buildUrlList(video, videoFile) | |
d7a25329 C |
99 | } |
100 | ||
0305db28 | 101 | return VideoPathManager.Instance.makeAvailableVideoFile(videoOrPlaylist, videoFile, async videoPath => { |
1f6125be | 102 | const torrentContent = await createTorrentPromise(videoPath, options) |
d7a25329 | 103 | |
0305db28 JB |
104 | const torrentFilename = generateTorrentFileName(videoOrPlaylist, videoFile.resolution) |
105 | const torrentPath = join(CONFIG.STORAGE.TORRENTS_DIR, torrentFilename) | |
106 | logger.info('Creating torrent %s.', torrentPath) | |
d7a25329 | 107 | |
1f6125be | 108 | await writeFile(torrentPath, torrentContent) |
d7a25329 | 109 | |
0305db28 JB |
110 | // Remove old torrent file if it existed |
111 | if (videoFile.hasTorrent()) { | |
112 | await remove(join(CONFIG.STORAGE.TORRENTS_DIR, videoFile.torrentFilename)) | |
113 | } | |
764b1a14 | 114 | |
1f6125be | 115 | const parsedTorrent = parseTorrent(torrentContent) |
0305db28 JB |
116 | videoFile.infoHash = parsedTorrent.infoHash |
117 | videoFile.torrentFilename = torrentFilename | |
118 | }) | |
d7a25329 C |
119 | } |
120 | ||
1f6125be C |
121 | async function updateTorrentUrls (videoOrPlaylist: MVideo | MStreamingPlaylistVideo, videoFile: MVideoFile) { |
122 | const video = extractVideo(videoOrPlaylist) | |
123 | ||
124 | const oldTorrentPath = join(CONFIG.STORAGE.TORRENTS_DIR, videoFile.torrentFilename) | |
125 | ||
126 | const torrentContent = await readFile(oldTorrentPath) | |
127 | const decoded = bencode.decode(torrentContent) | |
128 | ||
129 | decoded['announce-list'] = buildAnnounceList() | |
130 | decoded.announce = decoded['announce-list'][0][0] | |
131 | ||
132 | decoded['url-list'] = buildUrlList(video, videoFile) | |
133 | ||
134 | const newTorrentFilename = generateTorrentFileName(videoOrPlaylist, videoFile.resolution) | |
135 | const newTorrentPath = join(CONFIG.STORAGE.TORRENTS_DIR, newTorrentFilename) | |
136 | ||
f645af43 | 137 | logger.info('Updating torrent URLs %s -> %s.', oldTorrentPath, newTorrentPath) |
1f6125be C |
138 | |
139 | await writeFile(newTorrentPath, bencode.encode(decoded)) | |
f645af43 | 140 | await remove(join(CONFIG.STORAGE.TORRENTS_DIR, videoFile.torrentFilename)) |
1f6125be C |
141 | |
142 | videoFile.torrentFilename = newTorrentFilename | |
143 | } | |
144 | ||
d7a25329 | 145 | function generateMagnetUri ( |
8efc27bf | 146 | video: MVideo, |
d7a25329 | 147 | videoFile: MVideoFileRedundanciesOpt, |
d9a2a031 | 148 | trackerUrls: string[] |
d7a25329 | 149 | ) { |
90a8bd30 | 150 | const xs = videoFile.getTorrentUrl() |
d9a2a031 | 151 | const announce = trackerUrls |
90a8bd30 | 152 | let urlList = [ videoFile.getFileUrl(video) ] |
d7a25329 C |
153 | |
154 | const redundancies = videoFile.RedundancyVideos | |
155 | if (isArray(redundancies)) urlList = urlList.concat(redundancies.map(r => r.fileUrl)) | |
156 | ||
157 | const magnetHash = { | |
158 | xs, | |
159 | announce, | |
160 | urlList, | |
161 | infoHash: videoFile.infoHash, | |
162 | name: video.name | |
163 | } | |
164 | ||
165 | return magnetUtil.encode(magnetHash) | |
166 | } | |
30ff39e7 | 167 | |
ce33919c C |
168 | // --------------------------------------------------------------------------- |
169 | ||
170 | export { | |
d441f2ed | 171 | createTorrentPromise, |
1f6125be | 172 | updateTorrentUrls, |
d7a25329 C |
173 | createTorrentAndSetInfoHash, |
174 | generateMagnetUri, | |
ce33919c C |
175 | downloadWebTorrentVideo |
176 | } | |
c48e82b5 C |
177 | |
178 | // --------------------------------------------------------------------------- | |
179 | ||
d0b52b52 C |
180 | function safeWebtorrentDestroy ( |
181 | webtorrent: WebTorrent.Instance, | |
182 | torrentId: string, | |
183 | downloadedFile?: { directoryPath: string, filepath: string }, | |
184 | torrentName?: string | |
185 | ) { | |
ba5a8d89 | 186 | return new Promise<void>(res => { |
c48e82b5 C |
187 | webtorrent.destroy(err => { |
188 | // Delete torrent file | |
189 | if (torrentName) { | |
d0b52b52 | 190 | logger.debug('Removing %s torrent after webtorrent download.', torrentId) |
c48e82b5 C |
191 | remove(torrentId) |
192 | .catch(err => logger.error('Cannot remove torrent %s in webtorrent download.', torrentId, { err })) | |
193 | } | |
194 | ||
195 | // Delete downloaded file | |
e37c85e9 | 196 | if (downloadedFile) deleteDownloadedFile(downloadedFile) |
c48e82b5 | 197 | |
e37c85e9 | 198 | if (err) logger.warn('Cannot destroy webtorrent in timeout.', { err }) |
c48e82b5 C |
199 | |
200 | return res() | |
201 | }) | |
202 | }) | |
203 | } | |
e37c85e9 C |
204 | |
205 | function deleteDownloadedFile (downloadedFile: { directoryPath: string, filepath: string }) { | |
206 | // We want to delete the base directory | |
207 | let pathToDelete = dirname(downloadedFile.filepath) | |
208 | if (pathToDelete === '.') pathToDelete = downloadedFile.filepath | |
209 | ||
210 | const toRemovePath = join(downloadedFile.directoryPath, pathToDelete) | |
211 | ||
212 | logger.debug('Removing %s after webtorrent download.', toRemovePath) | |
213 | remove(toRemovePath) | |
214 | .catch(err => logger.error('Cannot remove torrent file %s in webtorrent download.', toRemovePath, { err })) | |
215 | } | |
1f6125be C |
216 | |
217 | function buildAnnounceList () { | |
218 | return [ | |
219 | [ WEBSERVER.WS + '://' + WEBSERVER.HOSTNAME + ':' + WEBSERVER.PORT + '/tracker/socket' ], | |
220 | [ WEBSERVER.URL + '/tracker/announce' ] | |
221 | ] | |
222 | } | |
223 | ||
224 | function buildUrlList (video: MVideo, videoFile: MVideoFile) { | |
225 | return [ videoFile.getFileUrl(video) ] | |
226 | } |