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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' |
6dd9de95 | 5 | import { CONFIG } from '../initializers/config' |
d0b52b52 | 6 | import { dirname, join } from 'path' |
30ff39e7 C |
7 | import * as createTorrent from 'create-torrent' |
8 | import { promisify2 } from './core-utils' | |
ce33919c | 9 | |
cf9166cf | 10 | async function downloadWebTorrentVideo (target: { magnetUri: string, torrentName?: string }, timeout: number) { |
990b6a0b | 11 | const id = target.magnetUri || target.torrentName |
c48e82b5 | 12 | let timer |
ce33919c | 13 | |
6040f87d | 14 | const path = generateVideoImportTmpPath(id) |
990b6a0b | 15 | logger.info('Importing torrent video %s', id) |
ce33919c | 16 | |
6040f87d | 17 | const directoryPath = join(CONFIG.STORAGE.TMP_DIR, 'webtorrent') |
a71de50b C |
18 | await ensureDir(directoryPath) |
19 | ||
ce33919c C |
20 | return new Promise<string>((res, rej) => { |
21 | const webtorrent = new WebTorrent() | |
c48e82b5 | 22 | let file: WebTorrent.TorrentFile |
ce33919c | 23 | |
990b6a0b | 24 | const torrentId = target.magnetUri || join(CONFIG.STORAGE.TORRENTS_DIR, target.torrentName) |
541006e3 | 25 | |
a71de50b | 26 | const options = { path: directoryPath } |
541006e3 | 27 | const torrent = webtorrent.add(torrentId, options, torrent => { |
c48e82b5 C |
28 | if (torrent.files.length !== 1) { |
29 | if (timer) clearTimeout(timer) | |
ce33919c | 30 | |
e37c85e9 C |
31 | for (let file of torrent.files) { |
32 | deleteDownloadedFile({ directoryPath, filepath: file.path }) | |
33 | } | |
34 | ||
35 | return safeWebtorrentDestroy(webtorrent, torrentId, undefined, target.torrentName) | |
dae4a1c0 | 36 | .then(() => rej(new Error('Cannot import torrent ' + torrentId + ': there are multiple files in it'))) |
c48e82b5 C |
37 | } |
38 | ||
a71de50b C |
39 | file = torrent.files[ 0 ] |
40 | ||
41 | // FIXME: avoid creating another stream when https://github.com/webtorrent/webtorrent/issues/1517 is fixed | |
42 | const writeStream = createWriteStream(path) | |
43 | writeStream.on('finish', () => { | |
44 | if (timer) clearTimeout(timer) | |
45 | ||
d0b52b52 | 46 | return safeWebtorrentDestroy(webtorrent, torrentId, { directoryPath, filepath: file.path }, target.torrentName) |
a71de50b | 47 | .then(() => res(path)) |
69fa54a0 | 48 | }) |
a71de50b C |
49 | |
50 | file.createReadStream().pipe(writeStream) | |
3e17515e | 51 | }) |
ce33919c C |
52 | |
53 | torrent.on('error', err => rej(err)) | |
c48e82b5 | 54 | |
cf9166cf C |
55 | timer = setTimeout(async () => { |
56 | return safeWebtorrentDestroy(webtorrent, torrentId, file ? { directoryPath, filepath: file.path } : undefined, target.torrentName) | |
57 | .then(() => rej(new Error('Webtorrent download timeout.'))) | |
58 | }, timeout) | |
ce33919c C |
59 | }) |
60 | } | |
61 | ||
30ff39e7 C |
62 | const createTorrentPromise = promisify2<string, any, any>(createTorrent) |
63 | ||
ce33919c C |
64 | // --------------------------------------------------------------------------- |
65 | ||
66 | export { | |
30ff39e7 | 67 | createTorrentPromise, |
ce33919c C |
68 | downloadWebTorrentVideo |
69 | } | |
c48e82b5 C |
70 | |
71 | // --------------------------------------------------------------------------- | |
72 | ||
d0b52b52 C |
73 | function safeWebtorrentDestroy ( |
74 | webtorrent: WebTorrent.Instance, | |
75 | torrentId: string, | |
76 | downloadedFile?: { directoryPath: string, filepath: string }, | |
77 | torrentName?: string | |
78 | ) { | |
c48e82b5 C |
79 | return new Promise(res => { |
80 | webtorrent.destroy(err => { | |
81 | // Delete torrent file | |
82 | if (torrentName) { | |
d0b52b52 | 83 | logger.debug('Removing %s torrent after webtorrent download.', torrentId) |
c48e82b5 C |
84 | remove(torrentId) |
85 | .catch(err => logger.error('Cannot remove torrent %s in webtorrent download.', torrentId, { err })) | |
86 | } | |
87 | ||
88 | // Delete downloaded file | |
e37c85e9 | 89 | if (downloadedFile) deleteDownloadedFile(downloadedFile) |
c48e82b5 | 90 | |
e37c85e9 | 91 | if (err) logger.warn('Cannot destroy webtorrent in timeout.', { err }) |
c48e82b5 C |
92 | |
93 | return res() | |
94 | }) | |
95 | }) | |
96 | } | |
e37c85e9 C |
97 | |
98 | function deleteDownloadedFile (downloadedFile: { directoryPath: string, filepath: string }) { | |
99 | // We want to delete the base directory | |
100 | let pathToDelete = dirname(downloadedFile.filepath) | |
101 | if (pathToDelete === '.') pathToDelete = downloadedFile.filepath | |
102 | ||
103 | const toRemovePath = join(downloadedFile.directoryPath, pathToDelete) | |
104 | ||
105 | logger.debug('Removing %s after webtorrent download.', toRemovePath) | |
106 | remove(toRemovePath) | |
107 | .catch(err => logger.error('Cannot remove torrent file %s in webtorrent download.', toRemovePath, { err })) | |
108 | } |