import * as Bluebird from 'bluebird' import * as sequelize from 'sequelize' import * as magnetUtil from 'magnet-uri' import * as request from 'request' import { ActivityPlaylistSegmentHashesObject, ActivityPlaylistUrlObject, ActivityUrlObject, ActivityVideoUrlObject, VideoCreate, VideoState } from '../../../shared/index' import { VideoTorrentObject } from '../../../shared/models/activitypub/objects' import { VideoPrivacy } from '../../../shared/models/videos' import { sanitizeAndCheckVideoTorrentObject } from '../../helpers/custom-validators/activitypub/videos' import { isVideoFileInfoHashValid } from '../../helpers/custom-validators/videos' import { resetSequelizeInstance, retryTransactionWrapper } from '../../helpers/database-utils' import { logger } from '../../helpers/logger' import { doRequest } from '../../helpers/requests' import { ACTIVITY_PUB, MIMETYPES, P2P_MEDIA_LOADER_PEER_VERSION, PREVIEWS_SIZE, REMOTE_SCHEME, STATIC_PATHS } from '../../initializers/constants' import { ActorModel } from '../../models/activitypub/actor' import { TagModel } from '../../models/video/tag' import { VideoModel } from '../../models/video/video' import { VideoChannelModel } from '../../models/video/video-channel' import { VideoFileModel } from '../../models/video/video-file' import { getOrCreateActorAndServerAndModel } from './actor' import { addVideoComments } from './video-comments' import { crawlCollectionPage } from './crawl' import { sendCreateVideo, sendUpdateVideo } from './send' import { isArray } from '../../helpers/custom-validators/misc' import { VideoCaptionModel } from '../../models/video/video-caption' import { JobQueue } from '../job-queue' import { ActivitypubHttpFetcherPayload } from '../job-queue/handlers/activitypub-http-fetcher' import { createRates } from './video-rates' import { addVideoShares, shareVideoByServerAndChannel } from './share' import { AccountModel } from '../../models/account/account' import { fetchVideoByUrl, VideoFetchByUrlType } from '../../helpers/video' import { checkUrlsSameHost, getAPId } from '../../helpers/activitypub' import { Notifier } from '../notifier' import { VideoStreamingPlaylistModel } from '../../models/video/video-streaming-playlist' import { VideoStreamingPlaylistType } from '../../../shared/models/videos/video-streaming-playlist.type' import { FilteredModelAttributes } from 'sequelize-typescript/lib/models/Model' import { AccountVideoRateModel } from '../../models/account/account-video-rate' import { VideoShareModel } from '../../models/video/video-share' import { VideoCommentModel } from '../../models/video/video-comment' import { sequelizeTypescript } from '../../initializers/database' import { createPlaceholderThumbnail, createVideoThumbnailFromUrl } from '../thumbnail' import { ThumbnailModel } from '../../models/video/thumbnail' import { ThumbnailType } from '../../../shared/models/videos/thumbnail.type' import { join } from 'path' async function federateVideoIfNeeded (video: VideoModel, isNewVideo: boolean, transaction?: sequelize.Transaction) { // If the video is not private and is published, we federate it if (video.privacy !== VideoPrivacy.PRIVATE && video.state === VideoState.PUBLISHED) { // Fetch more attributes that we will need to serialize in AP object if (isArray(video.VideoCaptions) === false) { video.VideoCaptions = await video.$get('VideoCaptions', { attributes: [ 'language' ], transaction }) as VideoCaptionModel[] } if (isNewVideo) { // Now we'll add the video's meta data to our followers await sendCreateVideo(video, transaction) await shareVideoByServerAndChannel(video, transaction) } else { await sendUpdateVideo(video, transaction) } } } async function fetchRemoteVideo (videoUrl: string): Promise<{ response: request.RequestResponse, videoObject: VideoTorrentObject }> { const options = { uri: videoUrl, method: 'GET', json: true, activityPub: true } logger.info('Fetching remote video %s.', videoUrl) const { response, body } = await doRequest(options) if (sanitizeAndCheckVideoTorrentObject(body) === false || checkUrlsSameHost(body.id, videoUrl) !== true) { logger.debug('Remote video JSON is not valid.', { body }) return { response, videoObject: undefined } } return { response, videoObject: body } } async function fetchRemoteVideoDescription (video: VideoModel) { const host = video.VideoChannel.Account.Actor.Server.host const path = video.getDescriptionAPIPath() const options = { uri: REMOTE_SCHEME.HTTP + '://' + host + path, json: true } const { body } = await doRequest(options) return body.description ? body.description : '' } function fetchRemoteVideoStaticFile (video: VideoModel, path: string, reject: Function) { const url = buildRemoteBaseUrl(video, path) // We need to provide a callback, if no we could have an uncaught exception return request.get(url, err => { if (err) reject(err) }) } 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(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(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(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, video) const cleaner = crawlStartDate => VideoCommentModel.cleanOldCommentsOf(video.id, crawlStartDate) await crawlCollectionPage(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 video = await retryTransactionWrapper(createVideo, fetchedVideo, channelActor, syncParam.thumbnail) await syncVideoExternalAttributes(video, fetchedVideo, syncParam) return { video, created: true } } async function updateVideoFromAP (options: { video: VideoModel, videoObject: VideoTorrentObject, account: AccountModel, channel: VideoChannelModel, overrideTo?: string[] }) { logger.debug('Updating remote video "%s".', options.videoObject.uuid) let videoFieldsSave: any const wasPrivateVideo = options.video.privacy === VideoPrivacy.PRIVATE const wasUnlistedVideo = options.video.privacy === VideoPrivacy.UNLISTED try { let thumbnailModel: ThumbnailModel try { thumbnailModel = await createVideoThumbnailFromUrl(options.videoObject.icon.url, options.video, ThumbnailType.THUMBNAIL) } catch (err) { logger.warn('Cannot generate thumbnail of %s.', options.videoObject.id, { err }) } await sequelizeTypescript.transaction(async t => { const sequelizeOptions = { transaction: t } videoFieldsSave = options.video.toJSON() // Check actor has the right to update the video const videoChannel = options.video.VideoChannel if (videoChannel.Account.id !== options.account.id) { throw new Error('Account ' + options.account.Actor.url + ' does not own video channel ' + videoChannel.Actor.url) } const to = options.overrideTo ? options.overrideTo : options.videoObject.to const videoData = await videoActivityObjectToDBAttributes(options.channel, options.videoObject, to) options.video.set('name', videoData.name) options.video.set('uuid', videoData.uuid) options.video.set('url', videoData.url) options.video.set('category', videoData.category) options.video.set('licence', videoData.licence) options.video.set('language', videoData.language) options.video.set('description', videoData.description) options.video.set('support', videoData.support) options.video.set('nsfw', videoData.nsfw) options.video.set('commentsEnabled', videoData.commentsEnabled) options.video.set('downloadEnabled', videoData.downloadEnabled) options.video.set('waitTranscoding', videoData.waitTranscoding) options.video.set('state', videoData.state) options.video.set('duration', videoData.duration) options.video.set('createdAt', videoData.createdAt) options.video.set('publishedAt', videoData.publishedAt) options.video.set('originallyPublishedAt', videoData.originallyPublishedAt) options.video.set('privacy', videoData.privacy) options.video.set('channelId', videoData.channelId) options.video.set('views', videoData.views) await options.video.save(sequelizeOptions) if (thumbnailModel) { thumbnailModel.videoId = options.video.id options.video.addThumbnail(await thumbnailModel.save({ transaction: t })) } // FIXME: use icon URL instead const previewUrl = buildRemoteBaseUrl(options.video, join(STATIC_PATHS.PREVIEWS, options.video.getPreview().filename)) const previewModel = createPlaceholderThumbnail(previewUrl, options.video, ThumbnailType.PREVIEW, PREVIEWS_SIZE) options.video.addThumbnail(await previewModel.save({ transaction: t })) { const videoFileAttributes = videoFileActivityUrlToDBAttributes(options.video, options.videoObject) const newVideoFiles = videoFileAttributes.map(a => new VideoFileModel(a)) // Remove video files that do not exist anymore const destroyTasks = options.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(a, { returning: true, transaction: t }) .then(([ file ]) => file) }) options.video.VideoFiles = await Promise.all(upsertTasks) } { const streamingPlaylistAttributes = streamingPlaylistActivityUrlToDBAttributes( options.video, options.videoObject, options.video.VideoFiles ) const newStreamingPlaylists = streamingPlaylistAttributes.map(a => new VideoStreamingPlaylistModel(a)) // Remove video files that do not exist anymore const destroyTasks = options.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(a, { returning: true, transaction: t }) .then(([ streamingPlaylist ]) => streamingPlaylist) }) options.video.VideoStreamingPlaylists = await Promise.all(upsertTasks) } { // Update Tags const tags = options.videoObject.tag.map(tag => tag.name) const tagInstances = await TagModel.findOrCreateTags(tags, t) await options.video.$set('Tags', tagInstances, sequelizeOptions) } { // Update captions await VideoCaptionModel.deleteAllCaptionsOfRemoteVideo(options.video.id, t) const videoCaptionsPromises = options.videoObject.subtitleLanguage.map(c => { return VideoCaptionModel.insertOrReplaceLanguage(options.video.id, c.identifier, t) }) options.video.VideoCaptions = await Promise.all(videoCaptionsPromises) } }) // Notify our users? if (wasPrivateVideo || wasUnlistedVideo) { Notifier.Instance.notifyOnNewVideo(options.video) } logger.info('Remote video with uuid %s updated', options.videoObject.uuid) } catch (err) { if (options.video !== undefined && videoFieldsSave !== undefined) { resetSequelizeInstance(options.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 { 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) return video } catch (err) { logger.warn('Cannot refresh video %s.', options.video.url, { err }) // 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 = createVideoThumbnailFromUrl(videoObject.icon.url, video, ThumbnailType.THUMBNAIL) let thumbnailModel: ThumbnailModel if (waitThumbnail === true) { thumbnailModel = await promiseThumbnail } const videoCreated: VideoModel = await sequelizeTypescript.transaction(async t => { const sequelizeOptions = { transaction: t } const videoCreated = await video.save(sequelizeOptions) videoCreated.VideoChannel = channelActor.VideoChannel if (thumbnailModel) { thumbnailModel.videoId = videoCreated.id videoCreated.addThumbnail(await thumbnailModel.save({ transaction: 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) previewModel.videoId = videoCreated.id videoCreated.addThumbnail(await previewModel.save({ transaction: 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 })) 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) }) await Promise.all(videoCaptionsPromises) logger.info('Remote video with uuid %s inserted.', videoObject.uuid) return videoCreated }) if (waitThumbnail === false) { promiseThumbnail.then(thumbnailModel => { thumbnailModel = videoCreated.id return thumbnailModel.save() }) } return videoCreated } async function videoActivityObjectToDBAttributes ( videoChannel: VideoChannelModel, videoObject: VideoTorrentObject, to: string[] = [] ) { const privacy = to.indexOf(ACTIVITY_PUB.PUBLIC) !== -1 ? VideoPrivacy.PUBLIC : VideoPrivacy.UNLISTED const duration = videoObject.duration.replace(/[^\d]+/, '') let language: string | undefined if (videoObject.language) { language = videoObject.language.identifier } let category: number | undefined if (videoObject.category) { category = parseInt(videoObject.category.identifier, 10) } let licence: number | undefined if (videoObject.licence) { licence = parseInt(videoObject.licence.identifier, 10) } const description = videoObject.content || null const support = videoObject.support || null return { name: videoObject.name, uuid: videoObject.uuid, url: videoObject.id, category, licence, language, description, support, nsfw: videoObject.sensitive, commentsEnabled: videoObject.commentsEnabled, downloadEnabled: videoObject.downloadEnabled, waitTranscoding: videoObject.waitTranscoding, state: videoObject.state, channelId: videoChannel.id, duration: parseInt(duration, 10), createdAt: new Date(videoObject.published), publishedAt: new Date(videoObject.published), originallyPublishedAt: videoObject.originallyPublishedAt ? new Date(videoObject.originallyPublishedAt) : null, // FIXME: updatedAt does not seems to be considered by Sequelize updatedAt: new Date(videoObject.updated), views: videoObject.views, likes: 0, dislikes: 0, remote: true, privacy } } function videoFileActivityUrlToDBAttributes (video: VideoModel, videoObject: VideoTorrentObject) { const fileUrls = videoObject.url.filter(u => isAPVideoUrlObject(u)) as ActivityVideoUrlObject[] if (fileUrls.length === 0) { throw new Error('Cannot find video files for ' + video.url) } const attributes: FilteredModelAttributes[] = [] 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 } attributes.push(attribute) } return attributes } function streamingPlaylistActivityUrlToDBAttributes (video: VideoModel, videoObject: VideoTorrentObject, videoFiles: VideoFileModel[]) { const playlistUrls = videoObject.url.filter(u => isAPStreamingPlaylistUrlObject(u)) as ActivityPlaylistUrlObject[] if (playlistUrls.length === 0) return [] const attributes: FilteredModelAttributes[] = [] for (const playlistUrlObject of playlistUrls) { const segmentsSha256UrlObject = playlistUrlObject.tag .find(t => { return isAPPlaylistSegmentHashesUrlObject(t) }) as ActivityPlaylistSegmentHashesObject if (!segmentsSha256UrlObject) { logger.warn('No segment sha256 URL found in AP playlist object.', { playlistUrl: playlistUrlObject }) continue } const attribute = { type: VideoStreamingPlaylistType.HLS, playlistUrl: playlistUrlObject.href, segmentsSha256Url: segmentsSha256UrlObject.href, p2pMediaLoaderInfohashes: VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(playlistUrlObject.href, videoFiles), p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION, videoId: video.id } attributes.push(attribute) } return attributes }