+ // We need to provide a callback, if no we could have an uncaught exception
+ return doRequestAndSaveToFile({ uri: url }, destPath)
+}
+
+function buildRemoteBaseUrl (video: VideoModel, path: string) {
+ const host = video.VideoChannel.Account.Actor.Server.host
+
+ return REMOTE_SCHEME.HTTP + '://' + host + path
+}
+
+function getOrCreateVideoChannelFromVideoObject (videoObject: VideoTorrentObject) {
+ const channel = videoObject.attributedTo.find(a => a.type === 'Group')
+ if (!channel) throw new Error('Cannot find associated video channel to video ' + videoObject.url)
+
+ if (checkUrlsSameHost(channel.id, videoObject.id) !== true) {
+ throw new Error(`Video channel url ${channel.id} does not have the same host than video object id ${videoObject.id}`)
+ }
+
+ return getOrCreateActorAndServerAndModel(channel.id, 'all')
+}
+
+type SyncParam = {
+ likes: boolean
+ dislikes: boolean
+ shares: boolean
+ comments: boolean
+ thumbnail: boolean
+ refreshVideo?: boolean
+}
+async function syncVideoExternalAttributes (video: VideoModel, fetchedVideo: VideoTorrentObject, syncParam: SyncParam) {
+ logger.info('Adding likes/dislikes/shares/comments of video %s.', video.uuid)
+
+ const jobPayloads: ActivitypubHttpFetcherPayload[] = []
+
+ if (syncParam.likes === true) {
+ const handler = items => createRates(items, video, 'like')
+ const cleaner = crawlStartDate => AccountVideoRateModel.cleanOldRatesOf(video.id, 'like' as 'like', crawlStartDate)
+
+ await crawlCollectionPage<string>(fetchedVideo.likes, handler, cleaner)
+ .catch(err => logger.error('Cannot add likes of video %s.', video.uuid, { err }))
+ } else {
+ jobPayloads.push({ uri: fetchedVideo.likes, videoId: video.id, type: 'video-likes' as 'video-likes' })
+ }
+
+ if (syncParam.dislikes === true) {
+ const handler = items => createRates(items, video, 'dislike')
+ const cleaner = crawlStartDate => AccountVideoRateModel.cleanOldRatesOf(video.id, 'dislike' as 'dislike', crawlStartDate)
+
+ await crawlCollectionPage<string>(fetchedVideo.dislikes, handler, cleaner)
+ .catch(err => logger.error('Cannot add dislikes of video %s.', video.uuid, { err }))
+ } else {
+ jobPayloads.push({ uri: fetchedVideo.dislikes, videoId: video.id, type: 'video-dislikes' as 'video-dislikes' })
+ }
+
+ if (syncParam.shares === true) {
+ const handler = items => addVideoShares(items, video)
+ const cleaner = crawlStartDate => VideoShareModel.cleanOldSharesOf(video.id, crawlStartDate)
+
+ await crawlCollectionPage<string>(fetchedVideo.shares, handler, cleaner)
+ .catch(err => logger.error('Cannot add shares of video %s.', video.uuid, { err }))
+ } else {
+ jobPayloads.push({ uri: fetchedVideo.shares, videoId: video.id, type: 'video-shares' as 'video-shares' })
+ }
+
+ if (syncParam.comments === true) {
+ const handler = items => addVideoComments(items)
+ const cleaner = crawlStartDate => VideoCommentModel.cleanOldCommentsOf(video.id, crawlStartDate)
+
+ await crawlCollectionPage<string>(fetchedVideo.comments, handler, cleaner)
+ .catch(err => logger.error('Cannot add comments of video %s.', video.uuid, { err }))
+ } else {
+ jobPayloads.push({ uri: fetchedVideo.comments, videoId: video.id, type: 'video-comments' as 'video-comments' })
+ }
+
+ await Bluebird.map(jobPayloads, payload => JobQueue.Instance.createJob({ type: 'activitypub-http-fetcher', payload }))
+}
+
+async function getOrCreateVideoAndAccountAndChannel (options: {
+ videoObject: { id: string } | string,
+ syncParam?: SyncParam,
+ fetchType?: VideoFetchByUrlType,
+ allowRefresh?: boolean // true by default
+}) {
+ // Default params
+ const syncParam = options.syncParam || { likes: true, dislikes: true, shares: true, comments: true, thumbnail: true, refreshVideo: false }
+ const fetchType = options.fetchType || 'all'
+ const allowRefresh = options.allowRefresh !== false
+
+ // Get video url
+ const videoUrl = getAPId(options.videoObject)
+
+ let videoFromDatabase = await fetchVideoByUrl(videoUrl, fetchType)
+ if (videoFromDatabase) {
+ if (videoFromDatabase.isOutdated() && allowRefresh === true) {
+ const refreshOptions = {
+ video: videoFromDatabase,
+ fetchedType: fetchType,
+ syncParam
+ }
+
+ if (syncParam.refreshVideo === true) videoFromDatabase = await refreshVideoIfNeeded(refreshOptions)
+ else await JobQueue.Instance.createJob({ type: 'activitypub-refresher', payload: { type: 'video', url: videoFromDatabase.url } })
+ }
+
+ return { video: videoFromDatabase, created: false }
+ }
+
+ const { videoObject: fetchedVideo } = await fetchRemoteVideo(videoUrl)
+ if (!fetchedVideo) throw new Error('Cannot fetch remote video with url: ' + videoUrl)
+
+ const channelActor = await getOrCreateVideoChannelFromVideoObject(fetchedVideo)
+ const { autoBlacklisted, videoCreated } = await retryTransactionWrapper(createVideo, fetchedVideo, channelActor, syncParam.thumbnail)
+
+ await syncVideoExternalAttributes(videoCreated, fetchedVideo, syncParam)
+
+ return { video: videoCreated, created: true, autoBlacklisted }
+}
+
+async function updateVideoFromAP (options: {
+ video: VideoModel,
+ videoObject: VideoTorrentObject,
+ account: AccountModelIdActor,
+ channel: VideoChannelModelIdActor,
+ overrideTo?: string[]
+}) {
+ const { video, videoObject, account, channel, overrideTo } = options
+
+ logger.debug('Updating remote video "%s".', options.videoObject.uuid)
+
+ let videoFieldsSave: any
+ const wasPrivateVideo = video.privacy === VideoPrivacy.PRIVATE
+ const wasUnlistedVideo = video.privacy === VideoPrivacy.UNLISTED
+
+ try {
+ let thumbnailModel: ThumbnailModel
+
+ try {
+ thumbnailModel = await createVideoMiniatureFromUrl(videoObject.icon.url, video, ThumbnailType.MINIATURE)
+ } catch (err) {
+ logger.warn('Cannot generate thumbnail of %s.', videoObject.id, { err })
+ }
+
+ await sequelizeTypescript.transaction(async t => {
+ const sequelizeOptions = { transaction: t }
+
+ videoFieldsSave = video.toJSON()
+
+ // Check actor has the right to update the video
+ const videoChannel = video.VideoChannel
+ if (videoChannel.Account.id !== account.id) {
+ throw new Error('Account ' + account.Actor.url + ' does not own video channel ' + videoChannel.Actor.url)
+ }
+
+ const to = overrideTo ? overrideTo : videoObject.to
+ const videoData = await videoActivityObjectToDBAttributes(channel, videoObject, to)
+ video.name = videoData.name
+ video.uuid = videoData.uuid
+ video.url = videoData.url
+ video.category = videoData.category
+ video.licence = videoData.licence
+ video.language = videoData.language
+ video.description = videoData.description
+ video.support = videoData.support
+ video.nsfw = videoData.nsfw
+ video.commentsEnabled = videoData.commentsEnabled
+ video.downloadEnabled = videoData.downloadEnabled
+ video.waitTranscoding = videoData.waitTranscoding
+ video.state = videoData.state
+ video.duration = videoData.duration
+ video.createdAt = videoData.createdAt
+ video.publishedAt = videoData.publishedAt
+ video.originallyPublishedAt = videoData.originallyPublishedAt
+ video.privacy = videoData.privacy
+ video.channelId = videoData.channelId
+ video.views = videoData.views
+
+ await video.save(sequelizeOptions)
+
+ if (thumbnailModel) await video.addAndSaveThumbnail(thumbnailModel, t)
+
+ // FIXME: use icon URL instead
+ const previewUrl = buildRemoteBaseUrl(video, join(STATIC_PATHS.PREVIEWS, video.getPreview().filename))
+ const previewModel = createPlaceholderThumbnail(previewUrl, video, ThumbnailType.PREVIEW, PREVIEWS_SIZE)
+ await video.addAndSaveThumbnail(previewModel, t)
+
+ {
+ const videoFileAttributes = videoFileActivityUrlToDBAttributes(video, videoObject)
+ const newVideoFiles = videoFileAttributes.map(a => new VideoFileModel(a))
+
+ // Remove video files that do not exist anymore
+ const destroyTasks = video.VideoFiles
+ .filter(f => !newVideoFiles.find(newFile => newFile.hasSameUniqueKeysThan(f)))
+ .map(f => f.destroy(sequelizeOptions))
+ await Promise.all(destroyTasks)
+
+ // Update or add other one
+ const upsertTasks = videoFileAttributes.map(a => {
+ return VideoFileModel.upsert<VideoFileModel>(a, { returning: true, transaction: t })
+ .then(([ file ]) => file)
+ })
+
+ video.VideoFiles = await Promise.all(upsertTasks)
+ }
+
+ {
+ const streamingPlaylistAttributes = streamingPlaylistActivityUrlToDBAttributes(video, videoObject, video.VideoFiles)
+ const newStreamingPlaylists = streamingPlaylistAttributes.map(a => new VideoStreamingPlaylistModel(a))
+
+ // Remove video files that do not exist anymore
+ const destroyTasks = video.VideoStreamingPlaylists
+ .filter(f => !newStreamingPlaylists.find(newPlaylist => newPlaylist.hasSameUniqueKeysThan(f)))
+ .map(f => f.destroy(sequelizeOptions))
+ await Promise.all(destroyTasks)
+
+ // Update or add other one
+ const upsertTasks = streamingPlaylistAttributes.map(a => {
+ return VideoStreamingPlaylistModel.upsert<VideoStreamingPlaylistModel>(a, { returning: true, transaction: t })
+ .then(([ streamingPlaylist ]) => streamingPlaylist)
+ })
+
+ video.VideoStreamingPlaylists = await Promise.all(upsertTasks)
+ }
+
+ {
+ // Update Tags
+ const tags = videoObject.tag.map(tag => tag.name)
+ const tagInstances = await TagModel.findOrCreateTags(tags, t)
+ await video.$set('Tags', tagInstances, sequelizeOptions)
+ }
+
+ {
+ // Update captions
+ await VideoCaptionModel.deleteAllCaptionsOfRemoteVideo(video.id, t)
+
+ const videoCaptionsPromises = videoObject.subtitleLanguage.map(c => {
+ return VideoCaptionModel.insertOrReplaceLanguage(video.id, c.identifier, t)
+ })
+ video.VideoCaptions = await Promise.all(videoCaptionsPromises)
+ }
+ })
+
+ await autoBlacklistVideoIfNeeded({
+ video,
+ user: undefined,
+ isRemote: true,
+ isNew: false,
+ transaction: undefined
+ })
+
+ if (wasPrivateVideo || wasUnlistedVideo) Notifier.Instance.notifyOnNewVideoIfNeeded(video) // Notify our users?
+
+ logger.info('Remote video with uuid %s updated', videoObject.uuid)
+ } catch (err) {
+ if (video !== undefined && videoFieldsSave !== undefined) {
+ resetSequelizeInstance(video, videoFieldsSave)
+ }
+
+ // This is just a debug because we will retry the insert
+ logger.debug('Cannot update the remote video.', { err })
+ throw err
+ }
+}
+
+async function refreshVideoIfNeeded (options: {
+ video: VideoModel,
+ fetchedType: VideoFetchByUrlType,
+ syncParam: SyncParam
+}): Promise<VideoModel> {
+ if (!options.video.isOutdated()) return options.video
+
+ // We need more attributes if the argument video was fetched with not enough joints
+ const video = options.fetchedType === 'all'
+ ? options.video
+ : await VideoModel.loadByUrlAndPopulateAccount(options.video.url)
+
+ try {
+ const { response, videoObject } = await fetchRemoteVideo(video.url)
+ if (response.statusCode === 404) {
+ logger.info('Cannot refresh remote video %s: video does not exist anymore. Deleting it.', video.url)
+
+ // Video does not exist anymore
+ await video.destroy()
+ return undefined
+ }
+
+ if (videoObject === undefined) {
+ logger.warn('Cannot refresh remote video %s: invalid body.', video.url)
+
+ await video.setAsRefreshed()
+ return video
+ }
+
+ const channelActor = await getOrCreateVideoChannelFromVideoObject(videoObject)
+ const account = await AccountModel.load(channelActor.VideoChannel.accountId)
+
+ const updateOptions = {
+ video,
+ videoObject,
+ account,
+ channel: channelActor.VideoChannel
+ }
+ await retryTransactionWrapper(updateVideoFromAP, updateOptions)
+ await syncVideoExternalAttributes(video, videoObject, options.syncParam)
+
+ ActorFollowScoreCache.Instance.addGoodServerId(video.VideoChannel.Actor.serverId)
+
+ return video
+ } catch (err) {
+ logger.warn('Cannot refresh video %s.', options.video.url, { err })
+
+ ActorFollowScoreCache.Instance.addBadServerId(video.VideoChannel.Actor.serverId)
+
+ // Don't refresh in loop
+ await video.setAsRefreshed()
+ return video
+ }
+}
+
+export {
+ updateVideoFromAP,
+ refreshVideoIfNeeded,
+ federateVideoIfNeeded,
+ fetchRemoteVideo,
+ getOrCreateVideoAndAccountAndChannel,
+ fetchRemoteVideoStaticFile,
+ fetchRemoteVideoDescription,
+ getOrCreateVideoChannelFromVideoObject
+}
+
+// ---------------------------------------------------------------------------
+
+function isAPVideoUrlObject (url: ActivityUrlObject): url is ActivityVideoUrlObject {
+ const mimeTypes = Object.keys(MIMETYPES.VIDEO.MIMETYPE_EXT)
+
+ const urlMediaType = url.mediaType || url.mimeType
+ return mimeTypes.indexOf(urlMediaType) !== -1 && urlMediaType.startsWith('video/')
+}
+
+function isAPStreamingPlaylistUrlObject (url: ActivityUrlObject): url is ActivityPlaylistUrlObject {
+ const urlMediaType = url.mediaType || url.mimeType
+
+ return urlMediaType === 'application/x-mpegURL'
+}
+
+function isAPPlaylistSegmentHashesUrlObject (tag: any): tag is ActivityPlaylistSegmentHashesObject {
+ const urlMediaType = tag.mediaType || tag.mimeType
+
+ return tag.name === 'sha256' && tag.type === 'Link' && urlMediaType === 'application/json'
+}
+
+async function createVideo (videoObject: VideoTorrentObject, channelActor: ActorModel, waitThumbnail = false) {
+ logger.debug('Adding remote video %s.', videoObject.id)
+
+ const videoData = await videoActivityObjectToDBAttributes(channelActor.VideoChannel, videoObject, videoObject.to)
+ const video = VideoModel.build(videoData)
+
+ const promiseThumbnail = createVideoMiniatureFromUrl(videoObject.icon.url, video, ThumbnailType.MINIATURE)
+
+ let thumbnailModel: ThumbnailModel
+ if (waitThumbnail === true) {
+ thumbnailModel = await promiseThumbnail
+ }
+
+ const { autoBlacklisted, videoCreated } = await sequelizeTypescript.transaction(async t => {
+ const sequelizeOptions = { transaction: t }
+
+ const videoCreated = await video.save(sequelizeOptions)
+ videoCreated.VideoChannel = channelActor.VideoChannel
+
+ if (thumbnailModel) await videoCreated.addAndSaveThumbnail(thumbnailModel, t)
+
+ // FIXME: use icon URL instead
+ const previewUrl = buildRemoteBaseUrl(videoCreated, join(STATIC_PATHS.PREVIEWS, video.generatePreviewName()))
+ const previewModel = createPlaceholderThumbnail(previewUrl, video, ThumbnailType.PREVIEW, PREVIEWS_SIZE)
+ if (thumbnailModel) await videoCreated.addAndSaveThumbnail(previewModel, t)
+
+ // Process files
+ const videoFileAttributes = videoFileActivityUrlToDBAttributes(videoCreated, videoObject)
+ if (videoFileAttributes.length === 0) {
+ throw new Error('Cannot find valid files for video %s ' + videoObject.url)
+ }
+
+ const videoFilePromises = videoFileAttributes.map(f => VideoFileModel.create(f, { transaction: t }))
+ const videoFiles = await Promise.all(videoFilePromises)
+
+ const videoStreamingPlaylists = streamingPlaylistActivityUrlToDBAttributes(videoCreated, videoObject, videoFiles)
+ const playlistPromises = videoStreamingPlaylists.map(p => VideoStreamingPlaylistModel.create(p, { transaction: t }))
+ const streamingPlaylists = await Promise.all(playlistPromises)
+
+ // Process tags
+ const tags = videoObject.tag
+ .filter(t => t.type === 'Hashtag')
+ .map(t => t.name)
+ const tagInstances = await TagModel.findOrCreateTags(tags, t)
+ await videoCreated.$set('Tags', tagInstances, sequelizeOptions)
+
+ // Process captions
+ const videoCaptionsPromises = videoObject.subtitleLanguage.map(c => {
+ return VideoCaptionModel.insertOrReplaceLanguage(videoCreated.id, c.identifier, t)
+ })
+ const captions = await Promise.all(videoCaptionsPromises)
+
+ video.VideoFiles = videoFiles
+ video.VideoStreamingPlaylists = streamingPlaylists
+ video.Tags = tagInstances
+ video.VideoCaptions = captions
+
+ const autoBlacklisted = await autoBlacklistVideoIfNeeded({
+ video,
+ user: undefined,
+ isRemote: true,
+ isNew: true,
+ transaction: t
+ })
+
+ logger.info('Remote video with uuid %s inserted.', videoObject.uuid)
+
+ return { autoBlacklisted, videoCreated }
+ })
+
+ if (waitThumbnail === false) {
+ promiseThumbnail.then(thumbnailModel => {
+ thumbnailModel = videoCreated.id
+
+ return thumbnailModel.save()
+ })