+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 { CONFIG, REMOTE_SCHEME, STATIC_PATHS } from '../../initializers/constants'
-import { VideoInstance } from '../../models/video/video-interface'
+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: VideoInstance) {
- // FIXME: use url
- const host = video.VideoChannel.Account.Server.host
+function fetchRemoteVideoPreview (video: VideoModel, reject: Function) {
+ const host = video.VideoChannel.Account.Actor.Server.host
const path = join(STATIC_PATHS.PREVIEWS, video.getPreviewName())
- return request.get(REMOTE_SCHEME.HTTP + '://' + host + path)
+ // 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: VideoInstance) {
- // FIXME: use url
- const host = video.VideoChannel.Account.Server.host
+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,
return body.description ? body.description : ''
}
-function generateThumbnailFromUrl (video: VideoInstance, icon: ActivityIconObject) {
+function generateThumbnailFromUrl (video: VideoModel, icon: ActivityIconObject) {
const thumbnailName = video.getThumbnailName()
const thumbnailPath = join(CONFIG.STORAGE.THUMBNAILS_DIR, thumbnailName)
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<number>[] = []
+
+ 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
+ generateThumbnailFromUrl,
+ videoActivityObjectToDBAttributes,
+ videoFileActivityUrlToDBAttributes,
+ getOrCreateVideo,
+ addVideoShares}
+
+// ---------------------------------------------------------------------------
+
+async function fetchRemoteVideo (videoUrl: string): Promise<VideoTorrentObject> {
+ 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
}