74 lines
2.4 KiB
TypeScript
74 lines
2.4 KiB
TypeScript
import { logger } from './logger'
|
|
import { generateVideoTmpPath } from './utils'
|
|
import * as WebTorrent from 'webtorrent'
|
|
import { remove } from 'fs-extra'
|
|
import { CONFIG } from '../initializers'
|
|
import { join } from 'path'
|
|
|
|
function downloadWebTorrentVideo (target: { magnetUri: string, torrentName?: string }, timeout?: number) {
|
|
const id = target.magnetUri || target.torrentName
|
|
let timer
|
|
|
|
logger.info('Importing torrent video %s', id)
|
|
|
|
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: CONFIG.STORAGE.VIDEOS_DIR }
|
|
const torrent = webtorrent.add(torrentId, options, torrent => {
|
|
if (torrent.files.length !== 1) {
|
|
if (timer) clearTimeout(timer)
|
|
|
|
return safeWebtorrentDestroy(webtorrent, torrentId, file.name, target.torrentName)
|
|
.then(() => rej(new Error('Cannot import torrent ' + torrentId + ': there are multiple files in it')))
|
|
}
|
|
|
|
torrent.on('done', () => res(join(CONFIG.STORAGE.VIDEOS_DIR, torrent.files[ 0 ].path)))
|
|
})
|
|
|
|
torrent.on('error', err => rej(err))
|
|
|
|
if (timeout) {
|
|
timer = setTimeout(async () => {
|
|
return safeWebtorrentDestroy(webtorrent, torrentId, file ? file.name : undefined, target.torrentName)
|
|
.then(() => rej(new Error('Webtorrent download timeout.')))
|
|
}, timeout)
|
|
}
|
|
})
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
export {
|
|
downloadWebTorrentVideo
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
function safeWebtorrentDestroy (webtorrent: WebTorrent.Instance, torrentId: string, filename?: string, torrentName?: string) {
|
|
return new Promise(res => {
|
|
webtorrent.destroy(err => {
|
|
// Delete torrent file
|
|
if (torrentName) {
|
|
remove(torrentId)
|
|
.catch(err => logger.error('Cannot remove torrent %s in webtorrent download.', torrentId, { err }))
|
|
}
|
|
|
|
// Delete downloaded file
|
|
if (filename) {
|
|
remove(join(CONFIG.STORAGE.VIDEOS_DIR, filename))
|
|
.catch(err => logger.error('Cannot remove torrent file %s in webtorrent download.', filename, { err }))
|
|
}
|
|
|
|
if (err) {
|
|
logger.warn('Cannot destroy webtorrent in timeout.', { err })
|
|
}
|
|
|
|
return res()
|
|
})
|
|
})
|
|
}
|