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peertube/server/controllers/api/videos/import.ts

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import * as express from 'express'
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import { move, readFile } from 'fs-extra'
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import * as magnetUtil from 'magnet-uri'
import * as parseTorrent from 'parse-torrent'
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import { join } from 'path'
import { ServerConfigManager } from '@server/lib/server-config-manager'
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import { setVideoTags } from '@server/lib/video'
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import { FilteredModelAttributes } from '@server/types'
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import {
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MChannelAccountDefault,
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MThumbnail,
MUser,
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MVideoAccountDefault,
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MVideoCaption,
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MVideoTag,
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MVideoThumbnail,
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MVideoWithBlacklistLight
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} from '@server/types/models'
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import { MVideoImportFormattable } from '@server/types/models/video/video-import'
import { ServerErrorCode, VideoImportCreate, VideoImportState, VideoPrivacy, VideoState } from '../../../../shared'
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import { ThumbnailType } from '../../../../shared/models/videos/thumbnail.type'
import { auditLoggerFactory, getAuditIdFromRes, VideoImportAuditView } from '../../../helpers/audit-logger'
import { moveAndProcessCaptionFile } from '../../../helpers/captions-utils'
import { isArray } from '../../../helpers/custom-validators/misc'
import { cleanUpReqFiles, createReqFiles } from '../../../helpers/express-utils'
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import { logger } from '../../../helpers/logger'
import { getSecureTorrentName } from '../../../helpers/utils'
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import { YoutubeDL, YoutubeDLInfo } from '../../../helpers/youtube-dl'
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import { CONFIG } from '../../../initializers/config'
import { MIMETYPES } from '../../../initializers/constants'
import { sequelizeTypescript } from '../../../initializers/database'
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import { getLocalVideoActivityPubUrl } from '../../../lib/activitypub/url'
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import { JobQueue } from '../../../lib/job-queue/job-queue'
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import { updateVideoMiniatureFromExisting, updateVideoMiniatureFromUrl } from '../../../lib/thumbnail'
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import { autoBlacklistVideoIfNeeded } from '../../../lib/video-blacklist'
import { asyncMiddleware, asyncRetryTransactionMiddleware, authenticate, videoImportAddValidator } from '../../../middlewares'
import { VideoModel } from '../../../models/video/video'
import { VideoCaptionModel } from '../../../models/video/video-caption'
import { VideoImportModel } from '../../../models/video/video-import'
const auditLogger = auditLoggerFactory('video-imports')
const videoImportsRouter = express.Router()
const reqVideoFileImport = createReqFiles(
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[ 'thumbnailfile', 'previewfile', 'torrentfile' ],
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Object.assign({}, MIMETYPES.TORRENT.MIMETYPE_EXT, MIMETYPES.IMAGE.MIMETYPE_EXT),
{
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thumbnailfile: CONFIG.STORAGE.TMP_DIR,
previewfile: CONFIG.STORAGE.TMP_DIR,
torrentfile: CONFIG.STORAGE.TMP_DIR
}
)
videoImportsRouter.post('/imports',
authenticate,
reqVideoFileImport,
asyncMiddleware(videoImportAddValidator),
asyncRetryTransactionMiddleware(addVideoImport)
)
// ---------------------------------------------------------------------------
export {
videoImportsRouter
}
// ---------------------------------------------------------------------------
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function addVideoImport (req: express.Request, res: express.Response) {
if (req.body.targetUrl) return addYoutubeDLImport(req, res)
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const file = req.files?.['torrentfile']?.[0]
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if (req.body.magnetUri || file) return addTorrentImport(req, res, file)
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}
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async function addTorrentImport (req: express.Request, res: express.Response, torrentfile: Express.Multer.File) {
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const body: VideoImportCreate = req.body
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const user = res.locals.oauth.token.User
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let videoName: string
let torrentName: string
let magnetUri: string
if (torrentfile) {
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const result = await processTorrentOrAbortRequest(req, res, torrentfile)
if (!result) return
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videoName = result.name
torrentName = result.torrentName
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} else {
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const result = processMagnetURI(body)
magnetUri = result.magnetUri
videoName = result.name
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}
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const video = buildVideo(res.locals.videoChannel.id, body, { name: videoName })
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const thumbnailModel = await processThumbnail(req, video)
const previewModel = await processPreview(req, video)
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const videoImport = await insertIntoDB({
video,
thumbnailModel,
previewModel,
videoChannel: res.locals.videoChannel,
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tags: body.tags || undefined,
user,
videoImportAttributes: {
magnetUri,
torrentName,
state: VideoImportState.PENDING,
userId: user.id
}
})
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// Create job to import the video
const payload = {
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type: torrentfile
? 'torrent-file' as 'torrent-file'
: 'magnet-uri' as 'magnet-uri',
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videoImportId: videoImport.id,
magnetUri
}
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await JobQueue.Instance.createJobWithPromise({ type: 'video-import', payload })
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auditLogger.create(getAuditIdFromRes(res), new VideoImportAuditView(videoImport.toFormattedJSON()))
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return res.json(videoImport.toFormattedJSON()).end()
}
async function addYoutubeDLImport (req: express.Request, res: express.Response) {
const body: VideoImportCreate = req.body
const targetUrl = body.targetUrl
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const user = res.locals.oauth.token.User
const youtubeDL = new YoutubeDL(targetUrl, ServerConfigManager.Instance.getEnabledResolutions('vod'))
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// Get video infos
let youtubeDLInfo: YoutubeDLInfo
try {
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youtubeDLInfo = await youtubeDL.getYoutubeDLInfo()
} catch (err) {
logger.info('Cannot fetch information from import for URL %s.', targetUrl, { err })
return res.fail({
message: 'Cannot fetch remote information of this URL.',
data: {
targetUrl
}
})
}
const video = buildVideo(res.locals.videoChannel.id, body, youtubeDLInfo)
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// Process video thumbnail from request.files
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let thumbnailModel = await processThumbnail(req, video)
// Process video thumbnail from url if processing from request.files failed
if (!thumbnailModel && youtubeDLInfo.thumbnailUrl) {
thumbnailModel = await processThumbnailFromUrl(youtubeDLInfo.thumbnailUrl, video)
}
// Process video preview from request.files
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let previewModel = await processPreview(req, video)
// Process video preview from url if processing from request.files failed
if (!previewModel && youtubeDLInfo.thumbnailUrl) {
previewModel = await processPreviewFromUrl(youtubeDLInfo.thumbnailUrl, video)
}
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const videoImport = await insertIntoDB({
video,
thumbnailModel,
previewModel,
videoChannel: res.locals.videoChannel,
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tags: body.tags || youtubeDLInfo.tags,
user,
videoImportAttributes: {
targetUrl,
state: VideoImportState.PENDING,
userId: user.id
}
})
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// Get video subtitles
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await processYoutubeSubtitles(youtubeDL, targetUrl, video.id)
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// Create job to import the video
const payload = {
type: 'youtube-dl' as 'youtube-dl',
videoImportId: videoImport.id,
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fileExt: `.${youtubeDLInfo.ext || 'mp4'}`
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}
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await JobQueue.Instance.createJobWithPromise({ type: 'video-import', payload })
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auditLogger.create(getAuditIdFromRes(res), new VideoImportAuditView(videoImport.toFormattedJSON()))
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return res.json(videoImport.toFormattedJSON()).end()
}
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function buildVideo (channelId: number, body: VideoImportCreate, importData: YoutubeDLInfo): MVideoThumbnail {
const videoData = {
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name: body.name || importData.name || 'Unknown name',
remote: false,
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category: body.category || importData.category,
licence: body.licence || importData.licence,
language: body.language || importData.language,
commentsEnabled: body.commentsEnabled !== false, // If the value is not "false", the default is "true"
downloadEnabled: body.downloadEnabled !== false,
waitTranscoding: body.waitTranscoding || false,
state: VideoState.TO_IMPORT,
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nsfw: body.nsfw || importData.nsfw || false,
description: body.description || importData.description,
support: body.support || null,
privacy: body.privacy || VideoPrivacy.PRIVATE,
duration: 0, // duration will be set by the import job
channelId: channelId,
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originallyPublishedAt: body.originallyPublishedAt
? new Date(body.originallyPublishedAt)
: importData.originallyPublishedAt
}
const video = new VideoModel(videoData)
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video.url = getLocalVideoActivityPubUrl(video)
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return video
}
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async function processThumbnail (req: express.Request, video: MVideoThumbnail) {
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const thumbnailField = req.files ? req.files['thumbnailfile'] : undefined
if (thumbnailField) {
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const thumbnailPhysicalFile = thumbnailField[0]
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return updateVideoMiniatureFromExisting({
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inputPath: thumbnailPhysicalFile.path,
video,
type: ThumbnailType.MINIATURE,
automaticallyGenerated: false
})
}
return undefined
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}
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async function processPreview (req: express.Request, video: MVideoThumbnail): Promise<MThumbnail> {
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const previewField = req.files ? req.files['previewfile'] : undefined
if (previewField) {
const previewPhysicalFile = previewField[0]
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return updateVideoMiniatureFromExisting({
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inputPath: previewPhysicalFile.path,
video,
type: ThumbnailType.PREVIEW,
automaticallyGenerated: false
})
}
return undefined
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}
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async function processThumbnailFromUrl (url: string, video: MVideoThumbnail) {
try {
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return updateVideoMiniatureFromUrl({ downloadUrl: url, video, type: ThumbnailType.MINIATURE })
} catch (err) {
logger.warn('Cannot generate video thumbnail %s for %s.', url, video.url, { err })
return undefined
}
}
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async function processPreviewFromUrl (url: string, video: MVideoThumbnail) {
try {
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return updateVideoMiniatureFromUrl({ downloadUrl: url, video, type: ThumbnailType.PREVIEW })
} catch (err) {
logger.warn('Cannot generate video preview %s for %s.', url, video.url, { err })
return undefined
}
}
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async function insertIntoDB (parameters: {
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video: MVideoThumbnail
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thumbnailModel: MThumbnail
previewModel: MThumbnail
videoChannel: MChannelAccountDefault
tags: string[]
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videoImportAttributes: FilteredModelAttributes<VideoImportModel>
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user: MUser
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}): Promise<MVideoImportFormattable> {
const { video, thumbnailModel, previewModel, videoChannel, tags, videoImportAttributes, user } = parameters
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const videoImport = await sequelizeTypescript.transaction(async t => {
const sequelizeOptions = { transaction: t }
// Save video object in database
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const videoCreated = await video.save(sequelizeOptions) as (MVideoAccountDefault & MVideoWithBlacklistLight & MVideoTag)
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videoCreated.VideoChannel = videoChannel
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if (thumbnailModel) await videoCreated.addAndSaveThumbnail(thumbnailModel, t)
if (previewModel) await videoCreated.addAndSaveThumbnail(previewModel, t)
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await autoBlacklistVideoIfNeeded({
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video: videoCreated,
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user,
notify: false,
isRemote: false,
isNew: true,
transaction: t
})
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await setVideoTags({ video: videoCreated, tags, transaction: t })
// Create video import object in database
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const videoImport = await VideoImportModel.create(
Object.assign({ videoId: videoCreated.id }, videoImportAttributes),
sequelizeOptions
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) as MVideoImportFormattable
videoImport.Video = videoCreated
return videoImport
})
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return videoImport
}
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async function processTorrentOrAbortRequest (req: express.Request, res: express.Response, torrentfile: Express.Multer.File) {
const torrentName = torrentfile.originalname
// Rename the torrent to a secured name
const newTorrentPath = join(CONFIG.STORAGE.TORRENTS_DIR, getSecureTorrentName(torrentName))
await move(torrentfile.path, newTorrentPath, { overwrite: true })
torrentfile.path = newTorrentPath
const buf = await readFile(torrentfile.path)
const parsedTorrent = parseTorrent(buf) as parseTorrent.Instance
if (parsedTorrent.files.length !== 1) {
cleanUpReqFiles(req)
res.fail({
type: ServerErrorCode.INCORRECT_FILES_IN_TORRENT,
message: 'Torrents with only 1 file are supported.'
})
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return undefined
}
return {
name: extractNameFromArray(parsedTorrent.name),
torrentName
}
}
function processMagnetURI (body: VideoImportCreate) {
const magnetUri = body.magnetUri
const parsed = magnetUtil.decode(magnetUri)
return {
name: extractNameFromArray(parsed.name),
magnetUri
}
}
function extractNameFromArray (name: string | string[]) {
return isArray(name) ? name[0] : name
}
async function processYoutubeSubtitles (youtubeDL: YoutubeDL, targetUrl: string, videoId: number) {
try {
const subtitles = await youtubeDL.getYoutubeDLSubs()
logger.info('Will create %s subtitles from youtube import %s.', subtitles.length, targetUrl)
for (const subtitle of subtitles) {
const videoCaption = new VideoCaptionModel({
videoId,
language: subtitle.language,
filename: VideoCaptionModel.generateCaptionName(subtitle.language)
}) as MVideoCaption
// Move physical file
await moveAndProcessCaptionFile(subtitle, videoCaption)
await sequelizeTypescript.transaction(async t => {
await VideoCaptionModel.insertOrReplaceLanguage(videoCaption, t)
})
}
} catch (err) {
logger.warn('Cannot get video subtitles.', { err })
}
}