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, 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, doRequestAndSaveToFile } 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 { 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 { 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, createVideoMiniatureFromUrl } from '../thumbnail' import { ThumbnailModel } from '../../models/video/thumbnail' import { ThumbnailType } from '../../../shared/models/videos/thumbnail.type' import { join } from 'path' import { FilteredModelAttributes } from '../../typings/sequelize' import { autoBlacklistVideoIfNeeded } from '../video-blacklist' import { ActorFollowScoreCache } from '../files-cache' import { AccountModelIdActor, VideoChannelModelId, VideoChannelModelIdActor } from '../../typings/models' async function federateVideoIfNeeded (video: VideoModel, isNewVideo: boolean, transaction?: sequelize.Transaction) { if ( // Check this is not a blacklisted video, or unfederated blacklisted video (video.isBlacklisted() === false || (isNewVideo === false && video.VideoBlacklist.unfederated === false)) && // Check the video is public/unlisted and published 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, destPath: string) { const url = buildRemoteBaseUrl(video, path) // 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(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) 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 { 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(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(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 { 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() }) } return { autoBlacklisted, videoCreated } } async function videoActivityObjectToDBAttributes ( videoChannel: VideoChannelModelId, 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 }