mirror of https://github.com/Chocobozzz/PeerTube
419 lines
12 KiB
TypeScript
419 lines
12 KiB
TypeScript
import { createWriteStream } from 'fs'
|
|
import { ensureDir, move, pathExists, remove, writeFile } from 'fs-extra'
|
|
import { join } from 'path'
|
|
import * as request from 'request'
|
|
import { CONFIG } from '@server/initializers/config'
|
|
import { HttpStatusCode } from '../../shared/core-utils/miscs/http-error-codes'
|
|
import { VideoResolution } from '../../shared/models/videos'
|
|
import { CONSTRAINTS_FIELDS, VIDEO_CATEGORIES, VIDEO_LANGUAGES, VIDEO_LICENCES } from '../initializers/constants'
|
|
import { getEnabledResolutions } from '../lib/video-transcoding'
|
|
import { peertubeTruncate, root } from './core-utils'
|
|
import { isVideoFileExtnameValid } from './custom-validators/videos'
|
|
import { logger } from './logger'
|
|
import { generateVideoImportTmpPath } from './utils'
|
|
|
|
export type YoutubeDLInfo = {
|
|
name?: string
|
|
description?: string
|
|
category?: number
|
|
language?: string
|
|
licence?: number
|
|
nsfw?: boolean
|
|
tags?: string[]
|
|
thumbnailUrl?: string
|
|
ext?: string
|
|
originallyPublishedAt?: Date
|
|
}
|
|
|
|
export type YoutubeDLSubs = {
|
|
language: string
|
|
filename: string
|
|
path: string
|
|
}[]
|
|
|
|
const processOptions = {
|
|
maxBuffer: 1024 * 1024 * 10 // 10MB
|
|
}
|
|
|
|
function getYoutubeDLInfo (url: string, opts?: string[]): Promise<YoutubeDLInfo> {
|
|
return new Promise<YoutubeDLInfo>((res, rej) => {
|
|
let args = opts || [ '-j', '--flat-playlist' ]
|
|
|
|
if (CONFIG.IMPORT.VIDEOS.HTTP.FORCE_IPV4) {
|
|
args.push('--force-ipv4')
|
|
}
|
|
|
|
args = wrapWithProxyOptions(args)
|
|
args = [ '-f', getYoutubeDLVideoFormat() ].concat(args)
|
|
|
|
safeGetYoutubeDL()
|
|
.then(youtubeDL => {
|
|
youtubeDL.getInfo(url, args, processOptions, (err, info) => {
|
|
if (err) return rej(err)
|
|
if (info.is_live === true) return rej(new Error('Cannot download a live streaming.'))
|
|
|
|
const obj = buildVideoInfo(normalizeObject(info))
|
|
if (obj.name && obj.name.length < CONSTRAINTS_FIELDS.VIDEOS.NAME.min) obj.name += ' video'
|
|
|
|
return res(obj)
|
|
})
|
|
})
|
|
.catch(err => rej(err))
|
|
})
|
|
}
|
|
|
|
function getYoutubeDLSubs (url: string, opts?: object): Promise<YoutubeDLSubs> {
|
|
return new Promise<YoutubeDLSubs>((res, rej) => {
|
|
const cwd = CONFIG.STORAGE.TMP_DIR
|
|
const options = opts || { all: true, format: 'vtt', cwd }
|
|
|
|
safeGetYoutubeDL()
|
|
.then(youtubeDL => {
|
|
youtubeDL.getSubs(url, options, (err, files) => {
|
|
if (err) return rej(err)
|
|
if (!files) return []
|
|
|
|
logger.debug('Get subtitles from youtube dl.', { url, files })
|
|
|
|
const subtitles = files.reduce((acc, filename) => {
|
|
const matched = filename.match(/\.([a-z]{2})\.(vtt|ttml)/i)
|
|
if (!matched || !matched[1]) return acc
|
|
|
|
return [
|
|
...acc,
|
|
{
|
|
language: matched[1],
|
|
path: join(cwd, filename),
|
|
filename
|
|
}
|
|
]
|
|
}, [])
|
|
|
|
return res(subtitles)
|
|
})
|
|
})
|
|
.catch(err => rej(err))
|
|
})
|
|
}
|
|
|
|
function getYoutubeDLVideoFormat () {
|
|
/**
|
|
* list of format selectors in order or preference
|
|
* see https://github.com/ytdl-org/youtube-dl#format-selection
|
|
*
|
|
* case #1 asks for a mp4 using h264 (avc1) and the exact resolution in the hope
|
|
* of being able to do a "quick-transcode"
|
|
* case #2 is the first fallback. No "quick-transcode" means we can get anything else (like vp9)
|
|
* case #3 is the resolution-degraded equivalent of #1, and already a pretty safe fallback
|
|
*
|
|
* in any case we avoid AV1, see https://github.com/Chocobozzz/PeerTube/issues/3499
|
|
**/
|
|
const enabledResolutions = getEnabledResolutions('vod')
|
|
const resolution = enabledResolutions.length === 0
|
|
? VideoResolution.H_720P
|
|
: Math.max(...enabledResolutions)
|
|
|
|
return [
|
|
`bestvideo[vcodec^=avc1][height=${resolution}]+bestaudio[ext=m4a]`, // case #1
|
|
`bestvideo[vcodec!*=av01][vcodec!*=vp9.2][height=${resolution}]+bestaudio`, // case #2
|
|
`bestvideo[vcodec^=avc1][height<=${resolution}]+bestaudio[ext=m4a]`, // case #3
|
|
`bestvideo[vcodec!*=av01][vcodec!*=vp9.2]+bestaudio`,
|
|
'best[vcodec!*=av01][vcodec!*=vp9.2]', // case fallback for known formats
|
|
'best' // Ultimate fallback
|
|
].join('/')
|
|
}
|
|
|
|
function downloadYoutubeDLVideo (url: string, fileExt: string, timeout: number) {
|
|
// Leave empty the extension, youtube-dl will add it
|
|
const pathWithoutExtension = generateVideoImportTmpPath(url, '')
|
|
|
|
let timer
|
|
|
|
logger.info('Importing youtubeDL video %s to %s', url, pathWithoutExtension)
|
|
|
|
let options = [ '-f', getYoutubeDLVideoFormat(), '-o', pathWithoutExtension ]
|
|
options = wrapWithProxyOptions(options)
|
|
|
|
if (process.env.FFMPEG_PATH) {
|
|
options = options.concat([ '--ffmpeg-location', process.env.FFMPEG_PATH ])
|
|
}
|
|
|
|
logger.debug('YoutubeDL options for %s.', url, { options })
|
|
|
|
return new Promise<string>((res, rej) => {
|
|
safeGetYoutubeDL()
|
|
.then(youtubeDL => {
|
|
youtubeDL.exec(url, options, processOptions, async err => {
|
|
clearTimeout(timer)
|
|
|
|
try {
|
|
// If youtube-dl did not guess an extension for our file, just use .mp4 as default
|
|
if (await pathExists(pathWithoutExtension)) {
|
|
await move(pathWithoutExtension, pathWithoutExtension + '.mp4')
|
|
}
|
|
|
|
const path = await guessVideoPathWithExtension(pathWithoutExtension, fileExt)
|
|
|
|
if (err) {
|
|
remove(path)
|
|
.catch(err => logger.error('Cannot delete path on YoutubeDL error.', { err }))
|
|
|
|
return rej(err)
|
|
}
|
|
|
|
return res(path)
|
|
} catch (err) {
|
|
return rej(err)
|
|
}
|
|
})
|
|
|
|
timer = setTimeout(() => {
|
|
const err = new Error('YoutubeDL download timeout.')
|
|
|
|
guessVideoPathWithExtension(pathWithoutExtension, fileExt)
|
|
.then(path => remove(path))
|
|
.finally(() => rej(err))
|
|
.catch(err => {
|
|
logger.error('Cannot remove file in youtubeDL timeout.', { err })
|
|
return rej(err)
|
|
})
|
|
}, timeout)
|
|
})
|
|
.catch(err => rej(err))
|
|
})
|
|
}
|
|
|
|
// Thanks: https://github.com/przemyslawpluta/node-youtube-dl/blob/master/lib/downloader.js
|
|
// We rewrote it to avoid sync calls
|
|
async function updateYoutubeDLBinary () {
|
|
logger.info('Updating youtubeDL binary.')
|
|
|
|
const binDirectory = join(root(), 'node_modules', 'youtube-dl', 'bin')
|
|
const bin = join(binDirectory, 'youtube-dl')
|
|
const detailsPath = join(binDirectory, 'details')
|
|
const url = process.env.YOUTUBE_DL_DOWNLOAD_HOST || 'https://yt-dl.org/downloads/latest/youtube-dl'
|
|
|
|
await ensureDir(binDirectory)
|
|
|
|
return new Promise<void>(res => {
|
|
request.get(url, { followRedirect: false }, (err, result) => {
|
|
if (err) {
|
|
logger.error('Cannot update youtube-dl.', { err })
|
|
return res()
|
|
}
|
|
|
|
if (result.statusCode !== HttpStatusCode.FOUND_302) {
|
|
logger.error('youtube-dl update error: did not get redirect for the latest version link. Status %d', result.statusCode)
|
|
return res()
|
|
}
|
|
|
|
const url = result.headers.location
|
|
const downloadFile = request.get(url)
|
|
const newVersion = /yt-dl\.org\/downloads\/(\d{4}\.\d\d\.\d\d(\.\d)?)\/youtube-dl/.exec(url)[1]
|
|
|
|
downloadFile.on('response', result => {
|
|
if (result.statusCode !== HttpStatusCode.OK_200) {
|
|
logger.error('Cannot update youtube-dl: new version response is not 200, it\'s %d.', result.statusCode)
|
|
return res()
|
|
}
|
|
|
|
const writeStream = createWriteStream(bin, { mode: 493 }).on('error', err => {
|
|
logger.error('youtube-dl update error in write stream', { err })
|
|
return res()
|
|
})
|
|
|
|
downloadFile.pipe(writeStream)
|
|
})
|
|
|
|
downloadFile.on('error', err => {
|
|
logger.error('youtube-dl update error.', { err })
|
|
return res()
|
|
})
|
|
|
|
downloadFile.on('end', () => {
|
|
const details = JSON.stringify({ version: newVersion, path: bin, exec: 'youtube-dl' })
|
|
writeFile(detailsPath, details, { encoding: 'utf8' }, err => {
|
|
if (err) {
|
|
logger.error('youtube-dl update error: cannot write details.', { err })
|
|
return res()
|
|
}
|
|
|
|
logger.info('youtube-dl updated to version %s.', newVersion)
|
|
return res()
|
|
})
|
|
})
|
|
})
|
|
})
|
|
}
|
|
|
|
async function safeGetYoutubeDL () {
|
|
let youtubeDL
|
|
|
|
try {
|
|
youtubeDL = require('youtube-dl')
|
|
} catch (e) {
|
|
// Download binary
|
|
await updateYoutubeDLBinary()
|
|
youtubeDL = require('youtube-dl')
|
|
}
|
|
|
|
return youtubeDL
|
|
}
|
|
|
|
function buildOriginallyPublishedAt (obj: any) {
|
|
let originallyPublishedAt: Date = null
|
|
|
|
const uploadDateMatcher = /^(\d{4})(\d{2})(\d{2})$/.exec(obj.upload_date)
|
|
if (uploadDateMatcher) {
|
|
originallyPublishedAt = new Date()
|
|
originallyPublishedAt.setHours(0, 0, 0, 0)
|
|
|
|
const year = parseInt(uploadDateMatcher[1], 10)
|
|
// Month starts from 0
|
|
const month = parseInt(uploadDateMatcher[2], 10) - 1
|
|
const day = parseInt(uploadDateMatcher[3], 10)
|
|
|
|
originallyPublishedAt.setFullYear(year, month, day)
|
|
}
|
|
|
|
return originallyPublishedAt
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
export {
|
|
updateYoutubeDLBinary,
|
|
getYoutubeDLVideoFormat,
|
|
downloadYoutubeDLVideo,
|
|
getYoutubeDLSubs,
|
|
getYoutubeDLInfo,
|
|
safeGetYoutubeDL,
|
|
buildOriginallyPublishedAt
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
async function guessVideoPathWithExtension (tmpPath: string, sourceExt: string) {
|
|
if (!isVideoFileExtnameValid(sourceExt)) {
|
|
throw new Error('Invalid video extension ' + sourceExt)
|
|
}
|
|
|
|
const extensions = [ sourceExt, '.mp4', '.mkv', '.webm' ]
|
|
|
|
for (const extension of extensions) {
|
|
const path = tmpPath + extension
|
|
|
|
if (await pathExists(path)) return path
|
|
}
|
|
|
|
throw new Error('Cannot guess path of ' + tmpPath)
|
|
}
|
|
|
|
function normalizeObject (obj: any) {
|
|
const newObj: any = {}
|
|
|
|
for (const key of Object.keys(obj)) {
|
|
// Deprecated key
|
|
if (key === 'resolution') continue
|
|
|
|
const value = obj[key]
|
|
|
|
if (typeof value === 'string') {
|
|
newObj[key] = value.normalize()
|
|
} else {
|
|
newObj[key] = value
|
|
}
|
|
}
|
|
|
|
return newObj
|
|
}
|
|
|
|
function buildVideoInfo (obj: any): YoutubeDLInfo {
|
|
return {
|
|
name: titleTruncation(obj.title),
|
|
description: descriptionTruncation(obj.description),
|
|
category: getCategory(obj.categories),
|
|
licence: getLicence(obj.license),
|
|
language: getLanguage(obj.language),
|
|
nsfw: isNSFW(obj),
|
|
tags: getTags(obj.tags),
|
|
thumbnailUrl: obj.thumbnail || undefined,
|
|
originallyPublishedAt: buildOriginallyPublishedAt(obj),
|
|
ext: obj.ext
|
|
}
|
|
}
|
|
|
|
function titleTruncation (title: string) {
|
|
return peertubeTruncate(title, {
|
|
length: CONSTRAINTS_FIELDS.VIDEOS.NAME.max,
|
|
separator: /,? +/,
|
|
omission: ' […]'
|
|
})
|
|
}
|
|
|
|
function descriptionTruncation (description: string) {
|
|
if (!description || description.length < CONSTRAINTS_FIELDS.VIDEOS.DESCRIPTION.min) return undefined
|
|
|
|
return peertubeTruncate(description, {
|
|
length: CONSTRAINTS_FIELDS.VIDEOS.DESCRIPTION.max,
|
|
separator: /,? +/,
|
|
omission: ' […]'
|
|
})
|
|
}
|
|
|
|
function isNSFW (info: any) {
|
|
return info.age_limit && info.age_limit >= 16
|
|
}
|
|
|
|
function getTags (tags: any) {
|
|
if (Array.isArray(tags) === false) return []
|
|
|
|
return tags
|
|
.filter(t => t.length < CONSTRAINTS_FIELDS.VIDEOS.TAG.max && t.length > CONSTRAINTS_FIELDS.VIDEOS.TAG.min)
|
|
.map(t => t.normalize())
|
|
.slice(0, 5)
|
|
}
|
|
|
|
function getLicence (licence: string) {
|
|
if (!licence) return undefined
|
|
|
|
if (licence.includes('Creative Commons Attribution')) return 1
|
|
|
|
for (const key of Object.keys(VIDEO_LICENCES)) {
|
|
const peertubeLicence = VIDEO_LICENCES[key]
|
|
if (peertubeLicence.toLowerCase() === licence.toLowerCase()) return parseInt(key, 10)
|
|
}
|
|
|
|
return undefined
|
|
}
|
|
|
|
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
|
|
}
|
|
|
|
function getLanguage (language: string) {
|
|
return VIDEO_LANGUAGES[language] ? language : undefined
|
|
}
|
|
|
|
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
|
|
}
|