510 lines
19 KiB
TypeScript
510 lines
19 KiB
TypeScript
import * as Bluebird from 'bluebird'
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import * as sequelize from 'sequelize'
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import * as magnetUtil from 'magnet-uri'
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import * as request from 'request'
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import { ActivityIconObject, ActivityUrlObject, ActivityVideoUrlObject, VideoState } from '../../../shared/index'
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import { VideoTorrentObject } from '../../../shared/models/activitypub/objects'
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import { VideoPrivacy } from '../../../shared/models/videos'
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import { sanitizeAndCheckVideoTorrentObject } from '../../helpers/custom-validators/activitypub/videos'
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import { isVideoFileInfoHashValid } from '../../helpers/custom-validators/videos'
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import { resetSequelizeInstance, retryTransactionWrapper } from '../../helpers/database-utils'
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import { logger } from '../../helpers/logger'
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import { doRequest, downloadImage } from '../../helpers/requests'
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import { ACTIVITY_PUB, CONFIG, MIMETYPES, REMOTE_SCHEME, sequelizeTypescript, THUMBNAILS_SIZE } from '../../initializers'
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import { ActorModel } from '../../models/activitypub/actor'
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import { TagModel } from '../../models/video/tag'
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import { VideoModel } from '../../models/video/video'
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import { VideoChannelModel } from '../../models/video/video-channel'
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import { VideoFileModel } from '../../models/video/video-file'
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import { getOrCreateActorAndServerAndModel } from './actor'
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import { addVideoComments } from './video-comments'
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import { crawlCollectionPage } from './crawl'
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import { sendCreateVideo, sendUpdateVideo } from './send'
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import { isArray } from '../../helpers/custom-validators/misc'
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import { VideoCaptionModel } from '../../models/video/video-caption'
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import { JobQueue } from '../job-queue'
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import { ActivitypubHttpFetcherPayload } from '../job-queue/handlers/activitypub-http-fetcher'
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import { createRates } from './video-rates'
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import { addVideoShares, shareVideoByServerAndChannel } from './share'
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import { AccountModel } from '../../models/account/account'
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import { fetchVideoByUrl, VideoFetchByUrlType } from '../../helpers/video'
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import { checkUrlsSameHost, getAPUrl } from '../../helpers/activitypub'
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import { Notifier } from '../notifier'
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async function federateVideoIfNeeded (video: VideoModel, isNewVideo: boolean, transaction?: sequelize.Transaction) {
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// If the video is not private and published, we federate it
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if (video.privacy !== VideoPrivacy.PRIVATE && video.state === VideoState.PUBLISHED) {
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// Fetch more attributes that we will need to serialize in AP object
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if (isArray(video.VideoCaptions) === false) {
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video.VideoCaptions = await video.$get('VideoCaptions', {
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attributes: [ 'language' ],
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transaction
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}) as VideoCaptionModel[]
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}
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if (isNewVideo) {
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// Now we'll add the video's meta data to our followers
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await sendCreateVideo(video, transaction)
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await shareVideoByServerAndChannel(video, transaction)
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} else {
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await sendUpdateVideo(video, transaction)
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}
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}
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}
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async function fetchRemoteVideo (videoUrl: string): Promise<{ response: request.RequestResponse, videoObject: VideoTorrentObject }> {
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const options = {
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uri: videoUrl,
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method: 'GET',
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json: true,
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activityPub: true
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}
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logger.info('Fetching remote video %s.', videoUrl)
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const { response, body } = await doRequest(options)
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if (sanitizeAndCheckVideoTorrentObject(body) === false || checkUrlsSameHost(body.id, videoUrl) !== true) {
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logger.debug('Remote video JSON is not valid.', { body })
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return { response, videoObject: undefined }
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}
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return { response, videoObject: body }
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}
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async function fetchRemoteVideoDescription (video: VideoModel) {
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const host = video.VideoChannel.Account.Actor.Server.host
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const path = video.getDescriptionAPIPath()
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const options = {
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uri: REMOTE_SCHEME.HTTP + '://' + host + path,
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json: true
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}
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const { body } = await doRequest(options)
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return body.description ? body.description : ''
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}
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function fetchRemoteVideoStaticFile (video: VideoModel, path: string, reject: Function) {
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const host = video.VideoChannel.Account.Actor.Server.host
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// We need to provide a callback, if no we could have an uncaught exception
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return request.get(REMOTE_SCHEME.HTTP + '://' + host + path, err => {
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if (err) reject(err)
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})
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}
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function generateThumbnailFromUrl (video: VideoModel, icon: ActivityIconObject) {
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const thumbnailName = video.getThumbnailName()
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return downloadImage(icon.url, CONFIG.STORAGE.THUMBNAILS_DIR, thumbnailName, THUMBNAILS_SIZE)
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}
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function getOrCreateVideoChannelFromVideoObject (videoObject: VideoTorrentObject) {
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const channel = videoObject.attributedTo.find(a => a.type === 'Group')
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if (!channel) throw new Error('Cannot find associated video channel to video ' + videoObject.url)
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if (checkUrlsSameHost(channel.id, videoObject.id) !== true) {
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throw new Error(`Video channel url ${channel.id} does not have the same host than video object id ${videoObject.id}`)
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}
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return getOrCreateActorAndServerAndModel(channel.id, 'all')
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}
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type SyncParam = {
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likes: boolean
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dislikes: boolean
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shares: boolean
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comments: boolean
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thumbnail: boolean
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refreshVideo?: boolean
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}
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async function syncVideoExternalAttributes (video: VideoModel, fetchedVideo: VideoTorrentObject, syncParam: SyncParam) {
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logger.info('Adding likes/dislikes/shares/comments of video %s.', video.uuid)
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const jobPayloads: ActivitypubHttpFetcherPayload[] = []
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if (syncParam.likes === true) {
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await crawlCollectionPage<string>(fetchedVideo.likes, items => createRates(items, video, 'like'))
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.catch(err => logger.error('Cannot add likes of video %s.', video.uuid, { err }))
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} else {
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jobPayloads.push({ uri: fetchedVideo.likes, videoId: video.id, type: 'video-likes' as 'video-likes' })
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}
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if (syncParam.dislikes === true) {
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await crawlCollectionPage<string>(fetchedVideo.dislikes, items => createRates(items, video, 'dislike'))
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.catch(err => logger.error('Cannot add dislikes of video %s.', video.uuid, { err }))
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} else {
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jobPayloads.push({ uri: fetchedVideo.dislikes, videoId: video.id, type: 'video-dislikes' as 'video-dislikes' })
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}
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if (syncParam.shares === true) {
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await crawlCollectionPage<string>(fetchedVideo.shares, items => addVideoShares(items, video))
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.catch(err => logger.error('Cannot add shares of video %s.', video.uuid, { err }))
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} else {
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jobPayloads.push({ uri: fetchedVideo.shares, videoId: video.id, type: 'video-shares' as 'video-shares' })
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}
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if (syncParam.comments === true) {
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await crawlCollectionPage<string>(fetchedVideo.comments, items => addVideoComments(items, video))
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.catch(err => logger.error('Cannot add comments of video %s.', video.uuid, { err }))
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} else {
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jobPayloads.push({ uri: fetchedVideo.shares, videoId: video.id, type: 'video-shares' as 'video-shares' })
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}
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await Bluebird.map(jobPayloads, payload => JobQueue.Instance.createJob({ type: 'activitypub-http-fetcher', payload }))
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}
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async function getOrCreateVideoAndAccountAndChannel (options: {
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videoObject: VideoTorrentObject | string,
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syncParam?: SyncParam,
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fetchType?: VideoFetchByUrlType,
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allowRefresh?: boolean // true by default
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}) {
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// Default params
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const syncParam = options.syncParam || { likes: true, dislikes: true, shares: true, comments: true, thumbnail: true, refreshVideo: false }
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const fetchType = options.fetchType || 'all'
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const allowRefresh = options.allowRefresh !== false
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// Get video url
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const videoUrl = getAPUrl(options.videoObject)
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let videoFromDatabase = await fetchVideoByUrl(videoUrl, fetchType)
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if (videoFromDatabase) {
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if (allowRefresh === true) {
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const refreshOptions = {
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video: videoFromDatabase,
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fetchedType: fetchType,
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syncParam
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}
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if (syncParam.refreshVideo === true) videoFromDatabase = await refreshVideoIfNeeded(refreshOptions)
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else await JobQueue.Instance.createJob({ type: 'activitypub-refresher', payload: { type: 'video', videoUrl: videoFromDatabase.url } })
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}
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return { video: videoFromDatabase, created: false }
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}
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const { videoObject: fetchedVideo } = await fetchRemoteVideo(videoUrl)
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if (!fetchedVideo) throw new Error('Cannot fetch remote video with url: ' + videoUrl)
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const channelActor = await getOrCreateVideoChannelFromVideoObject(fetchedVideo)
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const video = await retryTransactionWrapper(createVideo, fetchedVideo, channelActor, syncParam.thumbnail)
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await syncVideoExternalAttributes(video, fetchedVideo, syncParam)
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return { video, created: true }
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}
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async function updateVideoFromAP (options: {
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video: VideoModel,
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videoObject: VideoTorrentObject,
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account: AccountModel,
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channel: VideoChannelModel,
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overrideTo?: string[]
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}) {
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logger.debug('Updating remote video "%s".', options.videoObject.uuid)
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let videoFieldsSave: any
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const wasPrivateVideo = options.video.privacy === VideoPrivacy.PRIVATE
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const wasUnlistedVideo = options.video.privacy === VideoPrivacy.UNLISTED
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try {
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await sequelizeTypescript.transaction(async t => {
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const sequelizeOptions = { transaction: t }
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videoFieldsSave = options.video.toJSON()
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// Check actor has the right to update the video
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const videoChannel = options.video.VideoChannel
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if (videoChannel.Account.id !== options.account.id) {
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throw new Error('Account ' + options.account.Actor.url + ' does not own video channel ' + videoChannel.Actor.url)
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}
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const to = options.overrideTo ? options.overrideTo : options.videoObject.to
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const videoData = await videoActivityObjectToDBAttributes(options.channel, options.videoObject, to)
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options.video.set('name', videoData.name)
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options.video.set('uuid', videoData.uuid)
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options.video.set('url', videoData.url)
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options.video.set('category', videoData.category)
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options.video.set('licence', videoData.licence)
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options.video.set('language', videoData.language)
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options.video.set('description', videoData.description)
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options.video.set('support', videoData.support)
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options.video.set('nsfw', videoData.nsfw)
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options.video.set('commentsEnabled', videoData.commentsEnabled)
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options.video.set('waitTranscoding', videoData.waitTranscoding)
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options.video.set('state', videoData.state)
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options.video.set('duration', videoData.duration)
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options.video.set('createdAt', videoData.createdAt)
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options.video.set('publishedAt', videoData.publishedAt)
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options.video.set('privacy', videoData.privacy)
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options.video.set('channelId', videoData.channelId)
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options.video.set('views', videoData.views)
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await options.video.save(sequelizeOptions)
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{
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const videoFileAttributes = videoFileActivityUrlToDBAttributes(options.video, options.videoObject)
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const newVideoFiles = videoFileAttributes.map(a => new VideoFileModel(a))
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// Remove video files that do not exist anymore
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const destroyTasks = options.video.VideoFiles
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.filter(f => !newVideoFiles.find(newFile => newFile.hasSameUniqueKeysThan(f)))
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.map(f => f.destroy(sequelizeOptions))
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await Promise.all(destroyTasks)
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// Update or add other one
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const upsertTasks = videoFileAttributes.map(a => {
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return VideoFileModel.upsert<VideoFileModel>(a, { returning: true, transaction: t })
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.then(([ file ]) => file)
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})
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options.video.VideoFiles = await Promise.all(upsertTasks)
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}
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{
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// Update Tags
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const tags = options.videoObject.tag.map(tag => tag.name)
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const tagInstances = await TagModel.findOrCreateTags(tags, t)
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await options.video.$set('Tags', tagInstances, sequelizeOptions)
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}
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{
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// Update captions
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await VideoCaptionModel.deleteAllCaptionsOfRemoteVideo(options.video.id, t)
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const videoCaptionsPromises = options.videoObject.subtitleLanguage.map(c => {
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return VideoCaptionModel.insertOrReplaceLanguage(options.video.id, c.identifier, t)
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})
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options.video.VideoCaptions = await Promise.all(videoCaptionsPromises)
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}
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})
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// Notify our users?
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if (wasPrivateVideo || wasUnlistedVideo) {
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Notifier.Instance.notifyOnNewVideo(options.video)
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}
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logger.info('Remote video with uuid %s updated', options.videoObject.uuid)
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} catch (err) {
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if (options.video !== undefined && videoFieldsSave !== undefined) {
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resetSequelizeInstance(options.video, videoFieldsSave)
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}
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// This is just a debug because we will retry the insert
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logger.debug('Cannot update the remote video.', { err })
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throw err
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}
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try {
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await generateThumbnailFromUrl(options.video, options.videoObject.icon)
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} catch (err) {
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logger.warn('Cannot generate thumbnail of %s.', options.videoObject.id, { err })
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}
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}
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async function refreshVideoIfNeeded (options: {
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video: VideoModel,
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fetchedType: VideoFetchByUrlType,
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syncParam: SyncParam
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}): Promise<VideoModel> {
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if (!options.video.isOutdated()) return options.video
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// We need more attributes if the argument video was fetched with not enough joints
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const video = options.fetchedType === 'all' ? options.video : await VideoModel.loadByUrlAndPopulateAccount(options.video.url)
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try {
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const { response, videoObject } = await fetchRemoteVideo(video.url)
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if (response.statusCode === 404) {
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logger.info('Cannot refresh remote video %s: video does not exist anymore. Deleting it.', video.url)
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// Video does not exist anymore
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await video.destroy()
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return undefined
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}
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if (videoObject === undefined) {
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logger.warn('Cannot refresh remote video %s: invalid body.', video.url)
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await video.setAsRefreshed()
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return video
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}
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const channelActor = await getOrCreateVideoChannelFromVideoObject(videoObject)
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const account = await AccountModel.load(channelActor.VideoChannel.accountId)
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const updateOptions = {
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video,
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videoObject,
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account,
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channel: channelActor.VideoChannel
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}
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await retryTransactionWrapper(updateVideoFromAP, updateOptions)
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await syncVideoExternalAttributes(video, videoObject, options.syncParam)
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return video
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} catch (err) {
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logger.warn('Cannot refresh video %s.', options.video.url, { err })
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// Don't refresh in loop
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await video.setAsRefreshed()
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return video
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}
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}
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export {
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updateVideoFromAP,
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refreshVideoIfNeeded,
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federateVideoIfNeeded,
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fetchRemoteVideo,
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getOrCreateVideoAndAccountAndChannel,
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fetchRemoteVideoStaticFile,
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fetchRemoteVideoDescription,
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generateThumbnailFromUrl,
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getOrCreateVideoChannelFromVideoObject
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}
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// ---------------------------------------------------------------------------
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function isActivityVideoUrlObject (url: ActivityUrlObject): url is ActivityVideoUrlObject {
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const mimeTypes = Object.keys(MIMETYPES.VIDEO.MIMETYPE_EXT)
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const urlMediaType = url.mediaType || url.mimeType
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return mimeTypes.indexOf(urlMediaType) !== -1 && urlMediaType.startsWith('video/')
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}
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async function createVideo (videoObject: VideoTorrentObject, channelActor: ActorModel, waitThumbnail = false) {
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logger.debug('Adding remote video %s.', videoObject.id)
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const videoCreated: VideoModel = await sequelizeTypescript.transaction(async t => {
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const sequelizeOptions = { transaction: t }
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const videoData = await videoActivityObjectToDBAttributes(channelActor.VideoChannel, videoObject, videoObject.to)
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const video = VideoModel.build(videoData)
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const videoCreated = await video.save(sequelizeOptions)
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// Process files
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const videoFileAttributes = videoFileActivityUrlToDBAttributes(videoCreated, videoObject)
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if (videoFileAttributes.length === 0) {
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throw new Error('Cannot find valid files for video %s ' + videoObject.url)
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}
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const videoFilePromises = videoFileAttributes.map(f => VideoFileModel.create(f, { transaction: t }))
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await Promise.all(videoFilePromises)
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// Process tags
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const tags = videoObject.tag.map(t => t.name)
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const tagInstances = await TagModel.findOrCreateTags(tags, t)
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await videoCreated.$set('Tags', tagInstances, sequelizeOptions)
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// Process captions
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const videoCaptionsPromises = videoObject.subtitleLanguage.map(c => {
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return VideoCaptionModel.insertOrReplaceLanguage(videoCreated.id, c.identifier, t)
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})
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await Promise.all(videoCaptionsPromises)
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logger.info('Remote video with uuid %s inserted.', videoObject.uuid)
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videoCreated.VideoChannel = channelActor.VideoChannel
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return videoCreated
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})
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const p = generateThumbnailFromUrl(videoCreated, videoObject.icon)
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.catch(err => logger.warn('Cannot generate thumbnail of %s.', videoObject.id, { err }))
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if (waitThumbnail === true) await p
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return videoCreated
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}
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async function videoActivityObjectToDBAttributes (
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videoChannel: VideoChannelModel,
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videoObject: VideoTorrentObject,
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to: string[] = []
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) {
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const privacy = to.indexOf(ACTIVITY_PUB.PUBLIC) !== -1 ? VideoPrivacy.PUBLIC : VideoPrivacy.UNLISTED
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const duration = videoObject.duration.replace(/[^\d]+/, '')
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let language: string | undefined
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if (videoObject.language) {
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language = videoObject.language.identifier
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}
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let category: number | undefined
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if (videoObject.category) {
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category = parseInt(videoObject.category.identifier, 10)
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}
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let licence: number | undefined
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if (videoObject.licence) {
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licence = parseInt(videoObject.licence.identifier, 10)
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}
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const description = videoObject.content || null
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const support = videoObject.support || null
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return {
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name: videoObject.name,
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uuid: videoObject.uuid,
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url: videoObject.id,
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category,
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licence,
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language,
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description,
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support,
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nsfw: videoObject.sensitive,
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commentsEnabled: videoObject.commentsEnabled,
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waitTranscoding: videoObject.waitTranscoding,
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state: videoObject.state,
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channelId: videoChannel.id,
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duration: parseInt(duration, 10),
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createdAt: new Date(videoObject.published),
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publishedAt: new Date(videoObject.published),
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// FIXME: updatedAt does not seems to be considered by Sequelize
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updatedAt: new Date(videoObject.updated),
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views: videoObject.views,
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likes: 0,
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dislikes: 0,
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remote: true,
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privacy
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}
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}
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function videoFileActivityUrlToDBAttributes (video: VideoModel, videoObject: VideoTorrentObject) {
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const fileUrls = videoObject.url.filter(u => isActivityVideoUrlObject(u)) as ActivityVideoUrlObject[]
|
|
|
|
if (fileUrls.length === 0) {
|
|
throw new Error('Cannot find video files for ' + video.url)
|
|
}
|
|
|
|
const attributes: VideoFileModel[] = []
|
|
for (const fileUrl of fileUrls) {
|
|
// Fetch associated magnet uri
|
|
const magnet = videoObject.url.find(u => {
|
|
const mediaType = u.mediaType || u.mimeType
|
|
return mediaType === 'application/x-bittorrent;x-scheme-handler/magnet' && (u as any).height === fileUrl.height
|
|
})
|
|
|
|
if (!magnet) throw new Error('Cannot find associated magnet uri for file ' + fileUrl.href)
|
|
|
|
const parsed = magnetUtil.decode(magnet.href)
|
|
if (!parsed || isVideoFileInfoHashValid(parsed.infoHash) === false) {
|
|
throw new Error('Cannot parse magnet URI ' + magnet.href)
|
|
}
|
|
|
|
const mediaType = fileUrl.mediaType || fileUrl.mimeType
|
|
const attribute = {
|
|
extname: MIMETYPES.VIDEO.MIMETYPE_EXT[ mediaType ],
|
|
infoHash: parsed.infoHash,
|
|
resolution: fileUrl.height,
|
|
size: fileUrl.size,
|
|
videoId: video.id,
|
|
fps: fileUrl.fps || -1
|
|
} as VideoFileModel
|
|
attributes.push(attribute)
|
|
}
|
|
|
|
return attributes
|
|
}
|