import { logger } from './logger'
import { generateVideoTmpPath } from './utils'
import * as WebTorrent from 'webtorrent'
-import { createWriteStream, remove } from 'fs-extra'
+import { createWriteStream, ensureDir, remove } from 'fs-extra'
import { CONFIG } from '../initializers'
-import { join } from 'path'
+import { dirname, join } from 'path'
-function downloadWebTorrentVideo (target: { magnetUri: string, torrentName?: string }, timeout?: number) {
+async function downloadWebTorrentVideo (target: { magnetUri: string, torrentName?: string }, timeout: number) {
const id = target.magnetUri || target.torrentName
let timer
const path = generateVideoTmpPath(id)
logger.info('Importing torrent video %s', id)
+ const directoryPath = join(CONFIG.STORAGE.VIDEOS_DIR, 'import')
+ await ensureDir(directoryPath)
+
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 options = { path: directoryPath }
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('The number of files is not equal to 1 for ' + torrentId)))
+ for (let file of torrent.files) {
+ deleteDownloadedFile({ directoryPath, filepath: file.path })
+ }
+
+ return safeWebtorrentDestroy(webtorrent, torrentId, undefined, target.torrentName)
+ .then(() => rej(new Error('Cannot import torrent ' + torrentId + ': there are multiple files in it')))
}
file = torrent.files[ 0 ]
+ // FIXME: avoid creating another stream when https://github.com/webtorrent/webtorrent/issues/1517 is fixed
const writeStream = createWriteStream(path)
writeStream.on('finish', () => {
if (timer) clearTimeout(timer)
- return safeWebtorrentDestroy(webtorrent, torrentId, file.name, target.torrentName)
+ return safeWebtorrentDestroy(webtorrent, torrentId, { directoryPath, filepath: file.path }, target.torrentName)
.then(() => res(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)
- }
+ timer = setTimeout(async () => {
+ return safeWebtorrentDestroy(webtorrent, torrentId, file ? { directoryPath, filepath: file.path } : undefined, target.torrentName)
+ .then(() => rej(new Error('Webtorrent download timeout.')))
+ }, timeout)
})
}
// ---------------------------------------------------------------------------
-function safeWebtorrentDestroy (webtorrent: WebTorrent.Instance, torrentId: string, filename?: string, torrentName?: string) {
+function safeWebtorrentDestroy (
+ webtorrent: WebTorrent.Instance,
+ torrentId: string,
+ downloadedFile?: { directoryPath: string, filepath: string },
+ torrentName?: string
+) {
return new Promise(res => {
webtorrent.destroy(err => {
// Delete torrent file
if (torrentName) {
+ logger.debug('Removing %s torrent after webtorrent download.', torrentId)
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 (downloadedFile) deleteDownloadedFile(downloadedFile)
- if (err) {
- logger.warn('Cannot destroy webtorrent in timeout.', { err })
- }
+ if (err) logger.warn('Cannot destroy webtorrent in timeout.', { err })
return res()
})
})
}
+
+function deleteDownloadedFile (downloadedFile: { directoryPath: string, filepath: string }) {
+ // We want to delete the base directory
+ let pathToDelete = dirname(downloadedFile.filepath)
+ if (pathToDelete === '.') pathToDelete = downloadedFile.filepath
+
+ const toRemovePath = join(downloadedFile.directoryPath, pathToDelete)
+
+ logger.debug('Removing %s after webtorrent download.', toRemovePath)
+ remove(toRemovePath)
+ .catch(err => logger.error('Cannot remove torrent file %s in webtorrent download.', toRemovePath, { err }))
+}