2020-04-20 08:38:33 +00:00
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import { CONSTRAINTS_FIELDS, VIDEO_CATEGORIES, VIDEO_LANGUAGES, VIDEO_LICENCES } from '../initializers/constants'
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2018-08-02 13:34:09 +00:00
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import { logger } from './logger'
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2018-12-04 15:02:49 +00:00
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import { generateVideoImportTmpPath } from './utils'
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2018-09-19 14:24:24 +00:00
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import { join } from 'path'
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2019-10-21 07:48:21 +00:00
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import { peertubeTruncate, root } from './core-utils'
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import { ensureDir, remove, writeFile } from 'fs-extra'
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2018-09-19 14:24:24 +00:00
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import * as request from 'request'
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import { createWriteStream } from 'fs'
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2020-01-21 14:59:57 +00:00
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import { CONFIG } from '@server/initializers/config'
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2018-08-02 13:34:09 +00:00
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export type YoutubeDLInfo = {
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2018-08-06 15:13:39 +00:00
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name?: string
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description?: string
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category?: number
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2020-04-20 08:38:33 +00:00
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language?: string
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2018-08-06 15:13:39 +00:00
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licence?: number
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nsfw?: boolean
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tags?: string[]
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thumbnailUrl?: string
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2020-04-03 13:41:39 +00:00
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fileExt?: string
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2019-02-12 10:47:23 +00:00
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originallyPublishedAt?: Date
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2018-08-02 13:34:09 +00:00
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}
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2020-04-11 02:24:42 +00:00
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export type YoutubeDLSubs = {
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2020-04-15 12:15:44 +00:00
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language: string
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filename: string
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2020-04-11 02:24:42 +00:00
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path: string
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}[]
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2018-09-26 13:55:45 +00:00
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const processOptions = {
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maxBuffer: 1024 * 1024 * 10 // 10MB
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}
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2018-09-13 12:27:44 +00:00
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function getYoutubeDLInfo (url: string, opts?: string[]): Promise<YoutubeDLInfo> {
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2020-01-31 15:56:52 +00:00
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return new Promise<YoutubeDLInfo>((res, rej) => {
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2020-01-22 16:19:03 +00:00
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let args = opts || [ '-j', '--flat-playlist' ]
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2020-11-18 13:11:15 +00:00
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if (CONFIG.IMPORT.VIDEOS.HTTP.FORCE_IPV4) {
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args.push('--force-ipv4')
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}
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2020-01-22 16:19:03 +00:00
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args = wrapWithProxyOptions(args)
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2018-08-02 13:34:09 +00:00
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2020-01-31 15:56:52 +00:00
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safeGetYoutubeDL()
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.then(youtubeDL => {
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youtubeDL.getInfo(url, args, processOptions, (err, info) => {
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if (err) return rej(err)
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if (info.is_live === true) return rej(new Error('Cannot download a live streaming.'))
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2018-08-02 13:34:09 +00:00
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2020-01-31 15:56:52 +00:00
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const obj = buildVideoInfo(normalizeObject(info))
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if (obj.name && obj.name.length < CONSTRAINTS_FIELDS.VIDEOS.NAME.min) obj.name += ' video'
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2018-08-02 13:34:09 +00:00
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2020-01-31 15:56:52 +00:00
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return res(obj)
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})
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})
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.catch(err => rej(err))
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2018-08-02 13:34:09 +00:00
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})
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}
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2020-04-11 02:24:42 +00:00
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function getYoutubeDLSubs (url: string, opts?: object): Promise<YoutubeDLSubs> {
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return new Promise<YoutubeDLSubs>((res, rej) => {
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const cwd = CONFIG.STORAGE.TMP_DIR
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const options = opts || { all: true, format: 'vtt', cwd }
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safeGetYoutubeDL()
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.then(youtubeDL => {
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youtubeDL.getSubs(url, options, (err, files) => {
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if (err) return rej(err)
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2020-06-16 07:35:18 +00:00
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if (!files) return []
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2020-04-11 02:24:42 +00:00
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2020-04-15 12:15:44 +00:00
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logger.debug('Get subtitles from youtube dl.', { url, files })
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2020-04-11 02:24:42 +00:00
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const subtitles = files.reduce((acc, filename) => {
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const matched = filename.match(/\.([a-z]{2})\.(vtt|ttml)/i)
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2020-06-17 07:42:00 +00:00
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if (!matched || !matched[1]) return acc
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2020-04-11 02:24:42 +00:00
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2020-06-17 07:42:00 +00:00
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return [
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...acc,
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{
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language: matched[1],
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path: join(cwd, filename),
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filename
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}
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]
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2020-04-11 02:24:42 +00:00
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}, [])
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return res(subtitles)
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})
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})
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.catch(err => rej(err))
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})
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}
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2020-04-03 13:41:39 +00:00
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function downloadYoutubeDLVideo (url: string, extension: string, timeout: number) {
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const path = generateVideoImportTmpPath(url, extension)
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2018-10-01 10:00:05 +00:00
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let timer
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2018-08-02 13:34:09 +00:00
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2020-04-03 13:41:39 +00:00
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logger.info('Importing youtubeDL video %s to %s', url, path)
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2018-08-02 13:34:09 +00:00
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2020-01-21 14:59:57 +00:00
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let options = [ '-f', 'bestvideo[ext=mp4]+bestaudio[ext=m4a]/best', '-o', path ]
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2020-01-22 16:19:03 +00:00
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options = wrapWithProxyOptions(options)
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2018-08-02 13:34:09 +00:00
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2019-04-03 08:16:18 +00:00
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if (process.env.FFMPEG_PATH) {
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2020-01-21 14:59:57 +00:00
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options = options.concat([ '--ffmpeg-location', process.env.FFMPEG_PATH ])
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2019-04-03 08:16:18 +00:00
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}
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2020-01-31 15:56:52 +00:00
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return new Promise<string>((res, rej) => {
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safeGetYoutubeDL()
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.then(youtubeDL => {
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youtubeDL.exec(url, options, processOptions, err => {
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clearTimeout(timer)
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2018-10-01 10:00:05 +00:00
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2020-01-31 15:56:52 +00:00
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if (err) {
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remove(path)
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.catch(err => logger.error('Cannot delete path on YoutubeDL error.', { err }))
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2018-10-01 10:00:05 +00:00
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2020-01-31 15:56:52 +00:00
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return rej(err)
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}
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2018-08-02 13:34:09 +00:00
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2020-01-31 15:56:52 +00:00
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return res(path)
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})
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2018-10-01 10:00:05 +00:00
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2020-01-31 15:56:52 +00:00
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timer = setTimeout(() => {
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const err = new Error('YoutubeDL download timeout.')
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2018-10-01 10:00:05 +00:00
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2020-01-31 15:56:52 +00:00
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remove(path)
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.finally(() => rej(err))
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.catch(err => {
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logger.error('Cannot remove %s in youtubeDL timeout.', path, { err })
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return rej(err)
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})
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}, timeout)
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})
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.catch(err => rej(err))
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2018-08-02 13:34:09 +00:00
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})
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}
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2018-09-19 14:24:24 +00:00
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// Thanks: https://github.com/przemyslawpluta/node-youtube-dl/blob/master/lib/downloader.js
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// We rewrote it to avoid sync calls
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async function updateYoutubeDLBinary () {
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logger.info('Updating youtubeDL binary.')
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const binDirectory = join(root(), 'node_modules', 'youtube-dl', 'bin')
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const bin = join(binDirectory, 'youtube-dl')
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const detailsPath = join(binDirectory, 'details')
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2020-10-24 10:41:07 +00:00
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const url = process.env.YOUTUBE_DL_DOWNLOAD_HOST || 'https://yt-dl.org/downloads/latest/youtube-dl'
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2018-09-19 14:24:24 +00:00
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await ensureDir(binDirectory)
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return new Promise(res => {
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request.get(url, { followRedirect: false }, (err, result) => {
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if (err) {
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logger.error('Cannot update youtube-dl.', { err })
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return res()
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}
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if (result.statusCode !== 302) {
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logger.error('youtube-dl update error: did not get redirect for the latest version link. Status %d', result.statusCode)
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return res()
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}
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const url = result.headers.location
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const downloadFile = request.get(url)
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2020-01-31 15:56:52 +00:00
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const newVersion = /yt-dl\.org\/downloads\/(\d{4}\.\d\d\.\d\d(\.\d)?)\/youtube-dl/.exec(url)[1]
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2018-09-19 14:24:24 +00:00
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downloadFile.on('response', result => {
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if (result.statusCode !== 200) {
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logger.error('Cannot update youtube-dl: new version response is not 200, it\'s %d.', result.statusCode)
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return res()
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}
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downloadFile.pipe(createWriteStream(bin, { mode: 493 }))
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})
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downloadFile.on('error', err => {
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logger.error('youtube-dl update error.', { err })
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return res()
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})
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downloadFile.on('end', () => {
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const details = JSON.stringify({ version: newVersion, path: bin, exec: 'youtube-dl' })
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writeFile(detailsPath, details, { encoding: 'utf8' }, err => {
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if (err) {
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logger.error('youtube-dl update error: cannot write details.', { err })
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return res()
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}
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logger.info('youtube-dl updated to version %s.', newVersion)
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return res()
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})
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})
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})
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})
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}
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2018-08-16 07:45:51 +00:00
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async function safeGetYoutubeDL () {
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let youtubeDL
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try {
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youtubeDL = require('youtube-dl')
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} catch (e) {
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// Download binary
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2018-09-19 14:24:24 +00:00
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await updateYoutubeDLBinary()
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2018-08-16 07:45:51 +00:00
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youtubeDL = require('youtube-dl')
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}
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return youtubeDL
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}
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2019-02-12 10:47:23 +00:00
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function buildOriginallyPublishedAt (obj: any) {
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let originallyPublishedAt: Date = null
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const uploadDateMatcher = /^(\d{4})(\d{2})(\d{2})$/.exec(obj.upload_date)
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if (uploadDateMatcher) {
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originallyPublishedAt = new Date()
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originallyPublishedAt.setHours(0, 0, 0, 0)
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const year = parseInt(uploadDateMatcher[1], 10)
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// Month starts from 0
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const month = parseInt(uploadDateMatcher[2], 10) - 1
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const day = parseInt(uploadDateMatcher[3], 10)
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originallyPublishedAt.setFullYear(year, month, day)
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}
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return originallyPublishedAt
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}
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2018-09-13 12:27:44 +00:00
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// ---------------------------------------------------------------------------
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export {
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2018-09-20 14:24:31 +00:00
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updateYoutubeDLBinary,
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2018-09-13 12:27:44 +00:00
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downloadYoutubeDLVideo,
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2020-04-11 02:24:42 +00:00
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getYoutubeDLSubs,
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2018-09-13 12:27:44 +00:00
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getYoutubeDLInfo,
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2019-02-12 10:47:23 +00:00
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safeGetYoutubeDL,
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buildOriginallyPublishedAt
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2018-09-13 12:27:44 +00:00
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}
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// ---------------------------------------------------------------------------
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2018-08-02 13:34:09 +00:00
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function normalizeObject (obj: any) {
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const newObj: any = {}
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for (const key of Object.keys(obj)) {
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// Deprecated key
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if (key === 'resolution') continue
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const value = obj[key]
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if (typeof value === 'string') {
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newObj[key] = value.normalize()
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} else {
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newObj[key] = value
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}
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}
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return newObj
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}
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2020-04-20 08:38:33 +00:00
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function buildVideoInfo (obj: any): YoutubeDLInfo {
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2018-08-02 13:34:09 +00:00
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return {
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name: titleTruncation(obj.title),
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description: descriptionTruncation(obj.description),
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category: getCategory(obj.categories),
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licence: getLicence(obj.license),
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2020-04-20 08:38:33 +00:00
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language: getLanguage(obj.language),
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2018-08-02 13:34:09 +00:00
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nsfw: isNSFW(obj),
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tags: getTags(obj.tags),
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2018-12-11 14:05:42 +00:00
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thumbnailUrl: obj.thumbnail || undefined,
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2020-04-03 13:41:39 +00:00
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originallyPublishedAt: buildOriginallyPublishedAt(obj),
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fileExt: obj.ext
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2018-08-02 13:34:09 +00:00
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}
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}
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function titleTruncation (title: string) {
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2019-10-21 07:48:21 +00:00
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return peertubeTruncate(title, {
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length: CONSTRAINTS_FIELDS.VIDEOS.NAME.max,
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separator: /,? +/,
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omission: ' […]'
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2018-08-02 13:34:09 +00:00
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})
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}
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function descriptionTruncation (description: string) {
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2018-08-02 15:48:50 +00:00
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if (!description || description.length < CONSTRAINTS_FIELDS.VIDEOS.DESCRIPTION.min) return undefined
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2018-08-02 13:34:09 +00:00
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2019-10-21 07:48:21 +00:00
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return peertubeTruncate(description, {
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length: CONSTRAINTS_FIELDS.VIDEOS.DESCRIPTION.max,
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separator: /,? +/,
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omission: ' […]'
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2018-08-02 13:34:09 +00:00
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})
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}
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function isNSFW (info: any) {
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return info.age_limit && info.age_limit >= 16
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}
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function getTags (tags: any) {
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if (Array.isArray(tags) === false) return []
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return tags
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.filter(t => t.length < CONSTRAINTS_FIELDS.VIDEOS.TAG.max && t.length > CONSTRAINTS_FIELDS.VIDEOS.TAG.min)
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.map(t => t.normalize())
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.slice(0, 5)
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}
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function getLicence (licence: string) {
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if (!licence) return undefined
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2020-02-28 15:03:39 +00:00
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if (licence.includes('Creative Commons Attribution')) return 1
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2018-08-02 13:34:09 +00:00
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2020-04-20 08:38:33 +00:00
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for (const key of Object.keys(VIDEO_LICENCES)) {
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const peertubeLicence = VIDEO_LICENCES[key]
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if (peertubeLicence.toLowerCase() === licence.toLowerCase()) return parseInt(key, 10)
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}
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2018-08-02 13:34:09 +00:00
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return undefined
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}
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function getCategory (categories: string[]) {
|
|
|
|
if (!categories) return undefined
|
|
|
|
|
|
|
|
const categoryString = categories[0]
|
|
|
|
if (!categoryString || typeof categoryString !== 'string') return undefined
|
|
|
|
|
|
|
|
if (categoryString === 'News & Politics') return 11
|
|
|
|
|
|
|
|
for (const key of Object.keys(VIDEO_CATEGORIES)) {
|
|
|
|
const category = VIDEO_CATEGORIES[key]
|
|
|
|
if (categoryString.toLowerCase() === category.toLowerCase()) return parseInt(key, 10)
|
|
|
|
}
|
|
|
|
|
|
|
|
return undefined
|
|
|
|
}
|
2020-01-22 16:19:03 +00:00
|
|
|
|
2020-04-20 08:38:33 +00:00
|
|
|
function getLanguage (language: string) {
|
|
|
|
return VIDEO_LANGUAGES[language] ? language : undefined
|
|
|
|
}
|
|
|
|
|
2020-01-22 16:19:03 +00:00
|
|
|
function wrapWithProxyOptions (options: string[]) {
|
|
|
|
if (CONFIG.IMPORT.VIDEOS.HTTP.PROXY.ENABLED) {
|
|
|
|
logger.debug('Using proxy for YoutubeDL')
|
|
|
|
|
|
|
|
return [ '--proxy', CONFIG.IMPORT.VIDEOS.HTTP.PROXY.URL ].concat(options)
|
|
|
|
}
|
|
|
|
|
|
|
|
return options
|
|
|
|
}
|