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Commit | Line | Data |
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ce33919c | 1 | import { logger } from './logger' |
6040f87d | 2 | import { generateVideoImportTmpPath } from './utils' |
ce33919c | 3 | import * as WebTorrent from 'webtorrent' |
a71de50b | 4 | import { createWriteStream, ensureDir, remove } from 'fs-extra' |
990b6a0b | 5 | import { CONFIG } from '../initializers' |
d0b52b52 | 6 | import { dirname, join } from 'path' |
ce33919c | 7 | |
cf9166cf | 8 | async function downloadWebTorrentVideo (target: { magnetUri: string, torrentName?: string }, timeout: number) { |
990b6a0b | 9 | const id = target.magnetUri || target.torrentName |
c48e82b5 | 10 | let timer |
ce33919c | 11 | |
6040f87d | 12 | const path = generateVideoImportTmpPath(id) |
990b6a0b | 13 | logger.info('Importing torrent video %s', id) |
ce33919c | 14 | |
6040f87d | 15 | const directoryPath = join(CONFIG.STORAGE.TMP_DIR, 'webtorrent') |
a71de50b C |
16 | await ensureDir(directoryPath) |
17 | ||
ce33919c C |
18 | return new Promise<string>((res, rej) => { |
19 | const webtorrent = new WebTorrent() | |
c48e82b5 | 20 | let file: WebTorrent.TorrentFile |
ce33919c | 21 | |
990b6a0b | 22 | const torrentId = target.magnetUri || join(CONFIG.STORAGE.TORRENTS_DIR, target.torrentName) |
541006e3 | 23 | |
a71de50b | 24 | const options = { path: directoryPath } |
541006e3 | 25 | const torrent = webtorrent.add(torrentId, options, torrent => { |
c48e82b5 C |
26 | if (torrent.files.length !== 1) { |
27 | if (timer) clearTimeout(timer) | |
ce33919c | 28 | |
e37c85e9 C |
29 | for (let file of torrent.files) { |
30 | deleteDownloadedFile({ directoryPath, filepath: file.path }) | |
31 | } | |
32 | ||
33 | return safeWebtorrentDestroy(webtorrent, torrentId, undefined, target.torrentName) | |
dae4a1c0 | 34 | .then(() => rej(new Error('Cannot import torrent ' + torrentId + ': there are multiple files in it'))) |
c48e82b5 C |
35 | } |
36 | ||
a71de50b C |
37 | file = torrent.files[ 0 ] |
38 | ||
39 | // FIXME: avoid creating another stream when https://github.com/webtorrent/webtorrent/issues/1517 is fixed | |
40 | const writeStream = createWriteStream(path) | |
41 | writeStream.on('finish', () => { | |
42 | if (timer) clearTimeout(timer) | |
43 | ||
d0b52b52 | 44 | return safeWebtorrentDestroy(webtorrent, torrentId, { directoryPath, filepath: file.path }, target.torrentName) |
a71de50b | 45 | .then(() => res(path)) |
69fa54a0 | 46 | }) |
a71de50b C |
47 | |
48 | file.createReadStream().pipe(writeStream) | |
3e17515e | 49 | }) |
ce33919c C |
50 | |
51 | torrent.on('error', err => rej(err)) | |
c48e82b5 | 52 | |
cf9166cf C |
53 | timer = setTimeout(async () => { |
54 | return safeWebtorrentDestroy(webtorrent, torrentId, file ? { directoryPath, filepath: file.path } : undefined, target.torrentName) | |
55 | .then(() => rej(new Error('Webtorrent download timeout.'))) | |
56 | }, timeout) | |
ce33919c C |
57 | }) |
58 | } | |
59 | ||
60 | // --------------------------------------------------------------------------- | |
61 | ||
62 | export { | |
63 | downloadWebTorrentVideo | |
64 | } | |
c48e82b5 C |
65 | |
66 | // --------------------------------------------------------------------------- | |
67 | ||
d0b52b52 C |
68 | function safeWebtorrentDestroy ( |
69 | webtorrent: WebTorrent.Instance, | |
70 | torrentId: string, | |
71 | downloadedFile?: { directoryPath: string, filepath: string }, | |
72 | torrentName?: string | |
73 | ) { | |
c48e82b5 C |
74 | return new Promise(res => { |
75 | webtorrent.destroy(err => { | |
76 | // Delete torrent file | |
77 | if (torrentName) { | |
d0b52b52 | 78 | logger.debug('Removing %s torrent after webtorrent download.', torrentId) |
c48e82b5 C |
79 | remove(torrentId) |
80 | .catch(err => logger.error('Cannot remove torrent %s in webtorrent download.', torrentId, { err })) | |
81 | } | |
82 | ||
83 | // Delete downloaded file | |
e37c85e9 | 84 | if (downloadedFile) deleteDownloadedFile(downloadedFile) |
c48e82b5 | 85 | |
e37c85e9 | 86 | if (err) logger.warn('Cannot destroy webtorrent in timeout.', { err }) |
c48e82b5 C |
87 | |
88 | return res() | |
89 | }) | |
90 | }) | |
91 | } | |
e37c85e9 C |
92 | |
93 | function deleteDownloadedFile (downloadedFile: { directoryPath: string, filepath: string }) { | |
94 | // We want to delete the base directory | |
95 | let pathToDelete = dirname(downloadedFile.filepath) | |
96 | if (pathToDelete === '.') pathToDelete = downloadedFile.filepath | |
97 | ||
98 | const toRemovePath = join(downloadedFile.directoryPath, pathToDelete) | |
99 | ||
100 | logger.debug('Removing %s after webtorrent download.', toRemovePath) | |
101 | remove(toRemovePath) | |
102 | .catch(err => logger.error('Cannot remove torrent file %s in webtorrent download.', toRemovePath, { err })) | |
103 | } |