import * as Bluebird from 'bluebird' import * as magnetUtil from 'magnet-uri' import { join } from 'path' import * as request from 'request' import { ActivityIconObject } from '../../../shared/index' import { VideoTorrentObject } from '../../../shared/models/activitypub/objects' import { VideoPrivacy, VideoRateType } from '../../../shared/models/videos' import { isVideoTorrentObjectValid } from '../../helpers/custom-validators/activitypub/videos' import { isVideoFileInfoHashValid } from '../../helpers/custom-validators/videos' import { retryTransactionWrapper } from '../../helpers/database-utils' import { logger } from '../../helpers/logger' import { doRequest, doRequestAndSaveToFile } from '../../helpers/requests' import { ACTIVITY_PUB, CONFIG, REMOTE_SCHEME, sequelizeTypescript, STATIC_PATHS, VIDEO_MIMETYPE_EXT } from '../../initializers' import { AccountVideoRateModel } from '../../models/account/account-video-rate' 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 { VideoShareModel } from '../../models/video/video-share' import { getOrCreateActorAndServerAndModel } from './actor' import { addVideoComments } from './video-comments' function fetchRemoteVideoPreview (video: VideoModel, reject: Function) { const host = video.VideoChannel.Account.Actor.Server.host const path = join(STATIC_PATHS.PREVIEWS, video.getPreviewName()) // 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) }) } async function fetchRemoteVideoDescription (video: VideoModel) { const host = video.VideoChannel.Account.Actor.Server.host const path = video.getDescriptionPath() const options = { uri: REMOTE_SCHEME.HTTP + '://' + host + path, json: true } const { body } = await doRequest(options) return body.description ? body.description : '' } function generateThumbnailFromUrl (video: VideoModel, icon: ActivityIconObject) { const thumbnailName = video.getThumbnailName() const thumbnailPath = join(CONFIG.STORAGE.THUMBNAILS_DIR, thumbnailName) const options = { method: 'GET', uri: icon.url } return doRequestAndSaveToFile(options, thumbnailPath) } async function videoActivityObjectToDBAttributes (videoChannel: VideoChannelModel, videoObject: VideoTorrentObject, to: string[] = [], cc: string[] = []) { let privacy = VideoPrivacy.PRIVATE if (to.indexOf(ACTIVITY_PUB.PUBLIC) !== -1) privacy = VideoPrivacy.PUBLIC else if (cc.indexOf(ACTIVITY_PUB.PUBLIC) !== -1) privacy = VideoPrivacy.UNLISTED const duration = videoObject.duration.replace(/[^\d]+/, '') let language = null if (videoObject.language) { language = parseInt(videoObject.language.identifier, 10) } let category = null if (videoObject.category) { category = parseInt(videoObject.category.identifier, 10) } let licence = null if (videoObject.licence) { licence = parseInt(videoObject.licence.identifier, 10) } let description = null if (videoObject.content) { description = videoObject.content } return { name: videoObject.name, uuid: videoObject.uuid, url: videoObject.id, category, licence, language, description, nsfw: videoObject.sensitive, commentsEnabled: videoObject.commentsEnabled, channelId: videoChannel.id, duration: parseInt(duration, 10), createdAt: 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 (videoCreated: VideoModel, videoObject: VideoTorrentObject) { const mimeTypes = Object.keys(VIDEO_MIMETYPE_EXT) const fileUrls = videoObject.url.filter(u => { return mimeTypes.indexOf(u.mimeType) !== -1 && u.mimeType.startsWith('video/') }) if (fileUrls.length === 0) { throw new Error('Cannot find video files for ' + videoCreated.url) } const attributes = [] for (const fileUrl of fileUrls) { // Fetch associated magnet uri const magnet = videoObject.url.find(u => { return u.mimeType === 'application/x-bittorrent;x-scheme-handler/magnet' && u.width === fileUrl.width }) 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 attribute = { extname: VIDEO_MIMETYPE_EXT[ fileUrl.mimeType ], infoHash: parsed.infoHash, resolution: fileUrl.width, size: fileUrl.size, videoId: videoCreated.id } attributes.push(attribute) } return attributes } async function getOrCreateVideo (videoObject: VideoTorrentObject, channelActor: ActorModel) { logger.debug('Adding remote video %s.', videoObject.id) return sequelizeTypescript.transaction(async t => { const sequelizeOptions = { transaction: t } const videoFromDatabase = await VideoModel.loadByUUIDOrURLAndPopulateAccount(videoObject.uuid, videoObject.id, t) if (videoFromDatabase) return videoFromDatabase const videoData = await videoActivityObjectToDBAttributes(channelActor.VideoChannel, videoObject, videoObject.to, videoObject.cc) const video = VideoModel.build(videoData) // Don't block on request generateThumbnailFromUrl(video, videoObject.icon) .catch(err => logger.warn('Cannot generate thumbnail of %s.', videoObject.id, err)) const videoCreated = await video.save(sequelizeOptions) const videoFileAttributes = videoFileActivityUrlToDBAttributes(videoCreated, videoObject) if (videoFileAttributes.length === 0) { throw new Error('Cannot find valid files for video %s ' + videoObject.url) } const tasks = videoFileAttributes.map(f => VideoFileModel.create(f, { transaction: t })) await Promise.all(tasks) const tags = videoObject.tag.map(t => t.name) const tagInstances = await TagModel.findOrCreateTags(tags, t) await videoCreated.$set('Tags', tagInstances, sequelizeOptions) logger.info('Remote video with uuid %s inserted.', videoObject.uuid) videoCreated.VideoChannel = channelActor.VideoChannel return videoCreated }) } async function getOrCreateAccountAndVideoAndChannel (videoObject: VideoTorrentObject | string, actor?: ActorModel) { if (typeof videoObject === 'string') { const videoFromDatabase = await VideoModel.loadByUrlAndPopulateAccount(videoObject) if (videoFromDatabase) { return { video: videoFromDatabase, actor: videoFromDatabase.VideoChannel.Account.Actor, channelActor: videoFromDatabase.VideoChannel.Actor } } videoObject = await fetchRemoteVideo(videoObject) if (!videoObject) throw new Error('Cannot fetch remote video') } if (!actor) { const actorObj = videoObject.attributedTo.find(a => a.type === 'Person') if (!actorObj) throw new Error('Cannot find associated actor to video ' + videoObject.url) actor = await getOrCreateActorAndServerAndModel(actorObj.id) } const channel = videoObject.attributedTo.find(a => a.type === 'Group') if (!channel) throw new Error('Cannot find associated video channel to video ' + videoObject.url) const channelActor = await getOrCreateActorAndServerAndModel(channel.id) const options = { arguments: [ videoObject, channelActor ], errorMessage: 'Cannot insert the remote video with many retries.' } const video = await retryTransactionWrapper(getOrCreateVideo, options) // Process outside the transaction because we could fetch remote data if (videoObject.likes && Array.isArray(videoObject.likes.orderedItems)) { logger.info('Adding likes of video %s.', video.uuid) await createRates(videoObject.likes.orderedItems, video, 'like') } if (videoObject.dislikes && Array.isArray(videoObject.dislikes.orderedItems)) { logger.info('Adding dislikes of video %s.', video.uuid) await createRates(videoObject.dislikes.orderedItems, video, 'dislike') } if (videoObject.shares && Array.isArray(videoObject.shares.orderedItems)) { logger.info('Adding shares of video %s.', video.uuid) await addVideoShares(video, videoObject.shares.orderedItems) } if (videoObject.comments && Array.isArray(videoObject.comments.orderedItems)) { logger.info('Adding comments of video %s.', video.uuid) await addVideoComments(video, videoObject.comments.orderedItems) } return { actor, channelActor, video } } async function createRates (actorUrls: string[], video: VideoModel, rate: VideoRateType) { let rateCounts = 0 const tasks: Bluebird[] = [] for (const actorUrl of actorUrls) { const actor = await getOrCreateActorAndServerAndModel(actorUrl) const p = AccountVideoRateModel .create({ videoId: video.id, accountId: actor.Account.id, type: rate }) .then(() => rateCounts += 1) tasks.push(p) } await Promise.all(tasks) logger.info('Adding %d %s to video %s.', rateCounts, rate, video.uuid) // This is "likes" and "dislikes" await video.increment(rate + 's', { by: rateCounts }) return } async function addVideoShares (instance: VideoModel, shareUrls: string[]) { for (const shareUrl of shareUrls) { // Fetch url const { body } = await doRequest({ uri: shareUrl, json: true, activityPub: true }) const actorUrl = body.actor if (!actorUrl) continue const actor = await getOrCreateActorAndServerAndModel(actorUrl) const entry = { actorId: actor.id, videoId: instance.id, url: shareUrl } await VideoShareModel.findOrCreate({ where: { url: shareUrl }, defaults: entry }) } } export { getOrCreateAccountAndVideoAndChannel, fetchRemoteVideoPreview, fetchRemoteVideoDescription, generateThumbnailFromUrl, videoActivityObjectToDBAttributes, videoFileActivityUrlToDBAttributes, getOrCreateVideo, addVideoShares} // --------------------------------------------------------------------------- async function fetchRemoteVideo (videoUrl: string): Promise { const options = { uri: videoUrl, method: 'GET', json: true, activityPub: true } logger.info('Fetching remote video %s.', videoUrl) const { body } = await doRequest(options) if (isVideoTorrentObjectValid(body) === false) { logger.debug('Remote video JSON is not valid.', { body }) return undefined } return body }