X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Fhelpers%2Fyoutube-dl.ts;h=c2aa8870ae3b5d7627899077b6138241b750ab35;hb=c6c0fa6cd8fe8f752463d8982c3dbcd448739c4e;hp=74d3e213bc84ee5e00fbc02d56714dec128c2b5c;hpb=fbad87b0472f574409f7aa3ae7f8b54927d0cdd6;p=github%2FChocobozzz%2FPeerTube.git diff --git a/server/helpers/youtube-dl.ts b/server/helpers/youtube-dl.ts index 74d3e213b..c2aa8870a 100644 --- a/server/helpers/youtube-dl.ts +++ b/server/helpers/youtube-dl.ts @@ -1,56 +1,235 @@ -import * as youtubeDL from 'youtube-dl' -import { truncate } from 'lodash' -import { CONFIG, CONSTRAINTS_FIELDS, VIDEO_CATEGORIES } from '../initializers' -import { join } from 'path' -import * as crypto from 'crypto' +import { CONSTRAINTS_FIELDS, VIDEO_CATEGORIES, VIDEO_LANGUAGES, VIDEO_LICENCES } from '../initializers/constants' import { logger } from './logger' +import { generateVideoImportTmpPath } from './utils' +import { join } from 'path' +import { peertubeTruncate, root } from './core-utils' +import { ensureDir, remove, writeFile } from 'fs-extra' +import * as request from 'request' +import { createWriteStream } from 'fs' +import { CONFIG } from '@server/initializers/config' export type YoutubeDLInfo = { - name: string - description: string - category: number - licence: number - nsfw: boolean - tags: string[] - thumbnailUrl: string + name?: string + description?: string + category?: number + language?: string + licence?: number + nsfw?: boolean + tags?: string[] + thumbnailUrl?: string + fileExt?: string + originallyPublishedAt?: Date } -function getYoutubeDLInfo (url: string): Promise { - return new Promise((res, rej) => { - const options = [ '-j', '--flat-playlist' ] +export type YoutubeDLSubs = { + language: string + filename: string + path: string +}[] - youtubeDL.getInfo(url, options, (err, info) => { - if (err) return rej(err) +const processOptions = { + maxBuffer: 1024 * 1024 * 10 // 10MB +} - const obj = normalizeObject(info) +function getYoutubeDLInfo (url: string, opts?: string[]): Promise { + return new Promise((res, rej) => { + let args = opts || [ '-j', '--flat-playlist' ] + args = wrapWithProxyOptions(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)) + }) +} - return res(buildVideoInfo(obj)) - }) +function getYoutubeDLSubs (url: string, opts?: object): Promise { + return new Promise((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 downloadYoutubeDLVideo (url: string) { - const hash = crypto.createHash('sha256').update(url).digest('base64') - const path = join(CONFIG.STORAGE.VIDEOS_DIR, hash + '-import.mp4') +function downloadYoutubeDLVideo (url: string, extension: string, timeout: number) { + const path = generateVideoImportTmpPath(url, extension) + let timer - logger.info('Importing video %s', url) + logger.info('Importing youtubeDL video %s to %s', url, path) - const options = [ '-f', 'bestvideo[ext=mp4]+bestaudio[ext=m4a]/best', '-o', path ] + let options = [ '-f', 'bestvideo[ext=mp4]+bestaudio[ext=m4a]/best', '-o', path ] + options = wrapWithProxyOptions(options) + + if (process.env.FFMPEG_PATH) { + options = options.concat([ '--ffmpeg-location', process.env.FFMPEG_PATH ]) + } return new Promise((res, rej) => { - youtubeDL.exec(url, options, async (err, output) => { - if (err) return rej(err) + safeGetYoutubeDL() + .then(youtubeDL => { + youtubeDL.exec(url, options, processOptions, err => { + clearTimeout(timer) + + if (err) { + remove(path) + .catch(err => logger.error('Cannot delete path on YoutubeDL error.', { err })) + + return rej(err) + } + + return res(path) + }) + + timer = setTimeout(() => { + const err = new Error('YoutubeDL download timeout.') + + remove(path) + .finally(() => rej(err)) + .catch(err => { + logger.error('Cannot remove %s in youtubeDL timeout.', path, { err }) + return rej(err) + }) + }, timeout) + }) + .catch(err => 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 = process.env.YOUTUBE_DL_DOWNLOAD_HOST || '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 +} + +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, downloadYoutubeDLVideo, - getYoutubeDLInfo + getYoutubeDLSubs, + getYoutubeDLInfo, + safeGetYoutubeDL, + buildOriginallyPublishedAt } // --------------------------------------------------------------------------- @@ -74,33 +253,36 @@ function normalizeObject (obj: any) { return newObj } -function buildVideoInfo (obj: any) { +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 + thumbnailUrl: obj.thumbnail || undefined, + originallyPublishedAt: buildOriginallyPublishedAt(obj), + fileExt: obj.ext } } function titleTruncation (title: string) { - return truncate(title, { - 'length': CONSTRAINTS_FIELDS.VIDEOS.NAME.max, - 'separator': /,? +/, - 'omission': ' […]' + return peertubeTruncate(title, { + length: CONSTRAINTS_FIELDS.VIDEOS.NAME.max, + separator: /,? +/, + omission: ' […]' }) } function descriptionTruncation (description: string) { - if (!description) return undefined + if (!description || description.length < CONSTRAINTS_FIELDS.VIDEOS.DESCRIPTION.min) return undefined - return truncate(description, { - 'length': CONSTRAINTS_FIELDS.VIDEOS.DESCRIPTION.max, - 'separator': /,? +/, - 'omission': ' […]' + return peertubeTruncate(description, { + length: CONSTRAINTS_FIELDS.VIDEOS.DESCRIPTION.max, + separator: /,? +/, + omission: ' […]' }) } @@ -120,7 +302,12 @@ function getTags (tags: any) { function getLicence (licence: string) { if (!licence) return undefined - if (licence.indexOf('Creative Commons Attribution licence') !== -1) return 1 + 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 } @@ -140,3 +327,17 @@ function getCategory (categories: string[]) { 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 +}