import * as Bluebird from 'bluebird' import * as sequelize from 'sequelize' import * as magnetUtil from 'magnet-uri' import { join } from 'path' import * as request from 'request' import { ActivityIconObject, 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, downloadImage } from '../../helpers/requests' import { ACTIVITY_PUB, CONFIG, REMOTE_SCHEME, sequelizeTypescript, THUMBNAILS_SIZE, VIDEO_MIMETYPE_EXT } from '../../initializers' 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, getAPUrl } from '../../helpers/activitypub' async function federateVideoIfNeeded (video: VideoModel, isNewVideo: boolean, transaction?: sequelize.Transaction) { // If the video is not private and 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 host = video.VideoChannel.Account.Actor.Server.host // We need to provide a callback, if no we could have an uncaught exception return request.get(REMOTE_SCHEME.HTTP + '://' + host + path, err => { if (err) reject(err) }) } function generateThumbnailFromUrl (video: VideoModel, icon: ActivityIconObject) { const thumbnailName = video.getThumbnailName() const thumbnailPath = join(CONFIG.STORAGE.THUMBNAILS_DIR, thumbnailName) return downloadImage(icon.url, thumbnailPath, THUMBNAILS_SIZE) } 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) { await crawlCollectionPage(fetchedVideo.likes, items => createRates(items, video, 'like')) .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) { await crawlCollectionPage(fetchedVideo.dislikes, items => createRates(items, video, 'dislike')) .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) { await crawlCollectionPage(fetchedVideo.shares, items => addVideoShares(items, video)) .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) { await crawlCollectionPage(fetchedVideo.comments, items => addVideoComments(items, video)) .catch(err => logger.error('Cannot add comments of video %s.', video.uuid, { err })) } else { jobPayloads.push({ uri: fetchedVideo.shares, videoId: video.id, type: 'video-shares' as 'video-shares' }) } await Bluebird.map(jobPayloads, payload => JobQueue.Instance.createJob({ type: 'activitypub-http-fetcher', payload })) } async function getOrCreateVideoAndAccountAndChannel (options: { videoObject: VideoTorrentObject | string, syncParam?: SyncParam, fetchType?: VideoFetchByUrlType }) { // Default params const syncParam = options.syncParam || { likes: true, dislikes: true, shares: true, comments: true, thumbnail: true, refreshVideo: false } const fetchType = options.fetchType || 'all' // Get video url const videoUrl = getAPUrl(options.videoObject) let videoFromDatabase = await fetchVideoByUrl(videoUrl, fetchType) if (videoFromDatabase) { 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', videoUrl: videoFromDatabase.url } }) return { video: videoFromDatabase } } 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 } } 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 try { 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('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('privacy', videoData.privacy) options.video.set('channelId', videoData.channelId) options.video.set('views', videoData.views) await options.video.save(sequelizeOptions) { 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) } { // 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) } }) 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 } try { await generateThumbnailFromUrl(options.video, options.videoObject.icon) } catch (err) { logger.warn('Cannot generate thumbnail of %s.', options.videoObject.id, { 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, generateThumbnailFromUrl, getOrCreateVideoChannelFromVideoObject } // --------------------------------------------------------------------------- function isActivityVideoUrlObject (url: ActivityUrlObject): url is ActivityVideoUrlObject { const mimeTypes = Object.keys(VIDEO_MIMETYPE_EXT) const urlMediaType = url.mediaType || url.mimeType return mimeTypes.indexOf(urlMediaType) !== -1 && urlMediaType.startsWith('video/') } async function createVideo (videoObject: VideoTorrentObject, channelActor: ActorModel, waitThumbnail = false) { logger.debug('Adding remote video %s.', videoObject.id) const videoCreated: VideoModel = await sequelizeTypescript.transaction(async t => { const sequelizeOptions = { transaction: t } const videoData = await videoActivityObjectToDBAttributes(channelActor.VideoChannel, videoObject, videoObject.to) const video = VideoModel.build(videoData) const videoCreated = await video.save(sequelizeOptions) // 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 })) await Promise.all(videoFilePromises) // Process tags const tags = videoObject.tag.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) videoCreated.VideoChannel = channelActor.VideoChannel return videoCreated }) const p = generateThumbnailFromUrl(videoCreated, videoObject.icon) .catch(err => logger.warn('Cannot generate thumbnail of %s.', videoObject.id, { err })) if (waitThumbnail === true) await p 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, waitTranscoding: videoObject.waitTranscoding, state: videoObject.state, channelId: videoChannel.id, duration: parseInt(duration, 10), createdAt: new Date(videoObject.published), publishedAt: new Date(videoObject.published), // 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 => 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: 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 }