X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;ds=sidebyside;f=server%2Flib%2Factivitypub%2Fvideos.ts;h=2944cb7295de8512892734561caa6ca0c66cd040;hb=c1e791bad0b079af67398f6407221e6dcbb573dd;hp=14c07fec0e196d72381bda9747021d9c24c982f1;hpb=3fd3ab2d34d512b160a5e6084d7609be7b4f4452;p=github%2FChocobozzz%2FPeerTube.git diff --git a/server/lib/activitypub/videos.ts b/server/lib/activitypub/videos.ts index 14c07fec0..2944cb729 100644 --- a/server/lib/activitypub/videos.ts +++ b/server/lib/activitypub/videos.ts @@ -1,33 +1,64 @@ +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 { Transaction } from 'sequelize' -import { ActivityIconObject } from '../../../shared/index' -import { doRequest, doRequestAndSaveToFile } from '../../helpers' -import { CONFIG, REMOTE_SCHEME, STATIC_PATHS } from '../../initializers' -import { AccountModel } from '../../models/account/account' +import { ActivityIconObject, VideoState } from '../../../shared/index' +import { VideoTorrentObject } from '../../../shared/models/activitypub/objects' +import { VideoPrivacy, VideoRateType } from '../../../shared/models/videos' +import { sanitizeAndCheckVideoTorrentObject } 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 { - sendCreateDislikeToOrigin, - sendCreateDislikeToVideoFollowers, - sendLikeToOrigin, - sendLikeToVideoFollowers, - sendUndoDislikeToOrigin, - sendUndoDislikeToVideoFollowers, - sendUndoLikeToOrigin, - sendUndoLikeToVideoFollowers -} from './send' - -function fetchRemoteVideoPreview (video: VideoModel) { - // FIXME: use url - const host = video.VideoChannel.Account.Server.host - const path = join(STATIC_PATHS.PREVIEWS, video.getPreviewName()) - - return request.get(REMOTE_SCHEME.HTTP + '://' + host + path) +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' +import { crawlCollectionPage } from './crawl' +import { sendCreateVideo, sendUpdateVideo } from './send' +import { shareVideoByServerAndChannel } from './index' +import { isArray } from '../../helpers/custom-validators/misc' +import { VideoCaptionModel } from '../../models/video/video-caption' + +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 === true) { + // 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) + } + } +} + +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) + }) } async function fetchRemoteVideoDescription (video: VideoModel) { - // FIXME: use url - const host = video.VideoChannel.Account.Server.host + const host = video.VideoChannel.Account.Actor.Server.host const path = video.getDescriptionPath() const options = { uri: REMOTE_SCHEME.HTTP + '://' + host + path, @@ -49,50 +80,281 @@ function generateThumbnailFromUrl (video: VideoModel, icon: ActivityIconObject) return doRequestAndSaveToFile(options, thumbnailPath) } -async function sendVideoRateChangeToFollowers ( - account: AccountModel, - video: VideoModel, - likes: number, - dislikes: number, - t: Transaction +async function videoActivityObjectToDBAttributes ( + videoChannel: VideoChannelModel, + videoObject: VideoTorrentObject, + to: string[] = [] ) { - // Keep the order: first we undo and then we create + const privacy = to.indexOf(ACTIVITY_PUB.PUBLIC) !== -1 ? VideoPrivacy.PUBLIC : VideoPrivacy.UNLISTED + const duration = videoObject.duration.replace(/[^\d]+/, '') - // Undo Like - if (likes < 0) await sendUndoLikeToVideoFollowers(account, video, t) - // Undo Dislike - if (dislikes < 0) await sendUndoDislikeToVideoFollowers(account, video, t) + let language: string | undefined + if (videoObject.language) { + language = videoObject.language.identifier + } - // Like - if (likes > 0) await sendLikeToVideoFollowers(account, video, t) - // Dislike - if (dislikes > 0) await sendCreateDislikeToVideoFollowers(account, video, t) + 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 + } } -async function sendVideoRateChangeToOrigin ( - account: AccountModel, - video: VideoModel, - likes: number, - dislikes: number, - t: Transaction -) { - // Keep the order: first we undo and then we create +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: VideoFileModel[] = [] + 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 || + (parsed.infoHash && + (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 + } as VideoFileModel + attributes.push(attribute) + } + + return attributes +} + +function getOrCreateVideoChannel (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) + + return getOrCreateActorAndServerAndModel(channel.id) +} + +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) + const video = VideoModel.build(videoData) + + // Don't block on remote HTTP request (we are in a transaction!) + generateThumbnailFromUrl(video, videoObject.icon) + .catch(err => logger.warn('Cannot generate thumbnail of %s.', videoObject.id, { err })) + + 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 + }) +} - // Undo Like - if (likes < 0) await sendUndoLikeToOrigin(account, video, t) - // Undo Dislike - if (dislikes < 0) await sendUndoDislikeToOrigin(account, video, t) +async function getOrCreateAccountAndVideoAndChannel (videoObject: VideoTorrentObject | string, actor?: ActorModel) { + const videoUrl = typeof videoObject === 'string' ? videoObject : videoObject.id + + const videoFromDatabase = await VideoModel.loadByUrlAndPopulateAccount(videoUrl) + if (videoFromDatabase) { + return { + video: videoFromDatabase, + actor: videoFromDatabase.VideoChannel.Account.Actor, + channelActor: videoFromDatabase.VideoChannel.Actor + } + } + + videoObject = await fetchRemoteVideo(videoUrl) + if (!videoObject) throw new Error('Cannot fetch remote video with url: ' + videoUrl) + + 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 channelActor = await getOrCreateVideoChannel(videoObject) + + const video = await retryTransactionWrapper(getOrCreateVideo, videoObject, channelActor) + + // Process outside the transaction because we could fetch remote data + logger.info('Adding likes of video %s.', video.uuid) + await crawlCollectionPage(videoObject.likes, (items) => createRates(items, video, 'like')) + + logger.info('Adding dislikes of video %s.', video.uuid) + await crawlCollectionPage(videoObject.dislikes, (items) => createRates(items, video, 'dislike')) + + logger.info('Adding shares of video %s.', video.uuid) + await crawlCollectionPage(videoObject.shares, (items) => addVideoShares(items, video)) + + logger.info('Adding comments of video %s.', video.uuid) + await crawlCollectionPage(videoObject.comments, (items) => addVideoComments(items, video)) + + 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 (shareUrls: string[], instance: VideoModel) { + for (const shareUrl of shareUrls) { + // Fetch url + const { body } = await doRequest({ + uri: shareUrl, + json: true, + activityPub: true + }) + if (!body || !body.actor) { + logger.warn('Cannot add remote share with url: %s, skipping...', shareUrl) + continue + } + + const actorUrl = body.actor + const actor = await getOrCreateActorAndServerAndModel(actorUrl) + + const entry = { + actorId: actor.id, + videoId: instance.id, + url: shareUrl + } + + await VideoShareModel.findOrCreate({ + where: { + url: shareUrl + }, + defaults: entry + }) + } +} + +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 (sanitizeAndCheckVideoTorrentObject(body) === false) { + logger.debug('Remote video JSON is not valid.', { body }) + return undefined + } - // Like - if (likes > 0) await sendLikeToOrigin(account, video, t) - // Dislike - if (dislikes > 0) await sendCreateDislikeToOrigin(account, video, t) + return body } export { - fetchRemoteVideoPreview, + federateVideoIfNeeded, + fetchRemoteVideo, + getOrCreateAccountAndVideoAndChannel, + fetchRemoteVideoStaticFile, fetchRemoteVideoDescription, generateThumbnailFromUrl, - sendVideoRateChangeToFollowers, - sendVideoRateChangeToOrigin + videoActivityObjectToDBAttributes, + videoFileActivityUrlToDBAttributes, + getOrCreateVideo, + getOrCreateVideoChannel, + addVideoShares }