-import * as youtubeDL from 'youtube-dl'
import { truncate } from 'lodash'
import { CONSTRAINTS_FIELDS, VIDEO_CATEGORIES } from '../initializers'
import { logger } from './logger'
import { generateVideoTmpPath } from './utils'
+import { join } from 'path'
+import { root } from './core-utils'
+import { ensureDir, writeFile } from 'fs-extra'
+import * as request from 'request'
+import { createWriteStream } from 'fs'
export type YoutubeDLInfo = {
name?: string
thumbnailUrl?: string
}
-function getYoutubeDLInfo (url: string): Promise<YoutubeDLInfo> {
- return new Promise<YoutubeDLInfo>((res, rej) => {
- const options = [ '-j', '--flat-playlist' ]
+function getYoutubeDLInfo (url: string, opts?: string[]): Promise<YoutubeDLInfo> {
+ return new Promise<YoutubeDLInfo>(async (res, rej) => {
+ const options = opts || [ '-j', '--flat-playlist' ]
+ const youtubeDL = await safeGetYoutubeDL()
youtubeDL.getInfo(url, options, (err, info) => {
if (err) return rej(err)
+ if (info.is_live === true) return rej(new Error('Cannot download a live streaming.'))
- const obj = normalizeObject(info)
+ const obj = buildVideoInfo(normalizeObject(info))
+ if (obj.name && obj.name.length < CONSTRAINTS_FIELDS.VIDEOS.NAME.min) obj.name += ' video'
- return res(buildVideoInfo(obj))
+ return res(obj)
})
})
}
const options = [ '-f', 'bestvideo[ext=mp4]+bestaudio[ext=m4a]/best', '-o', path ]
- return new Promise<string>((res, rej) => {
- youtubeDL.exec(url, options, async (err, output) => {
+ return new Promise<string>(async (res, rej) => {
+ const youtubeDL = await safeGetYoutubeDL()
+ youtubeDL.exec(url, options, err => {
if (err) return rej(err)
return res(path)
})
}
+// 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 = 'https://yt-dl.org/downloads/latest/youtube-dl'
+
+ await ensureDir(binDirectory)
+
+ return new Promise(res => {
+ request.get(url, { followRedirect: false }, (err, result) => {
+ if (err) {
+ logger.error('Cannot update youtube-dl.', { err })
+ return res()
+ }
+
+ if (result.statusCode !== 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 !== 200) {
+ logger.error('Cannot update youtube-dl: new version response is not 200, it\'s %d.', result.statusCode)
+ return res()
+ }
+
+ downloadFile.pipe(createWriteStream(bin, { mode: 493 }))
+ })
+
+ 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
+}
+
// ---------------------------------------------------------------------------
export {
+ updateYoutubeDLBinary,
downloadYoutubeDLVideo,
- getYoutubeDLInfo
+ getYoutubeDLInfo,
+ safeGetYoutubeDL
}
// ---------------------------------------------------------------------------