X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Flib%2Factivitypub%2Fvideos.ts;h=4cecf9345912a6d08eb59b73d13a6de183b20036;hb=361805c48b14c5402c9984485c67c45a1a3113cc;hp=6b82f12d56bf311d8d8249d1319cb466bfcba6ae;hpb=f00984c0077e9b666fe8005452768e53d1c3f421;p=github%2FChocobozzz%2FPeerTube.git diff --git a/server/lib/activitypub/videos.ts b/server/lib/activitypub/videos.ts index 6b82f12d5..4cecf9345 100644 --- a/server/lib/activitypub/videos.ts +++ b/server/lib/activitypub/videos.ts @@ -1,33 +1,80 @@ +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/requests' -import { CONFIG, REMOTE_SCHEME, STATIC_PATHS } from '../../initializers/constants' -import { AccountInstance } from '../../models/account/account-interface' -import { VideoInstance } from '../../models/video/video-interface' -import { sendLikeToOrigin } from './index' -import { sendCreateDislikeToOrigin, sendCreateDislikeToVideoFollowers } from './send/send-create' -import { sendLikeToVideoFollowers } from './send/send-like' -import { - sendUndoDislikeToOrigin, - sendUndoDislikeToVideoFollowers, - sendUndoLikeToOrigin, - sendUndoLikeToVideoFollowers -} from './send/send-undo' - -function fetchRemoteVideoPreview (video: VideoInstance) { - // 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) -} - -async function fetchRemoteVideoDescription (video: VideoInstance) { - // FIXME: use url - const host = video.VideoChannel.Account.Server.host - const path = video.getDescriptionPath() +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 @@ -37,61 +84,416 @@ async function fetchRemoteVideoDescription (video: VideoInstance) { return body.description ? body.description : '' } -function generateThumbnailFromUrl (video: VideoInstance, icon: ActivityIconObject) { +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) - const options = { - method: 'GET', - uri: icon.url + 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 doRequestAndSaveToFile(options, thumbnailPath) + + return getOrCreateActorAndServerAndModel(channel.id, 'all') } -async function sendVideoRateChangeToFollowers ( - account: AccountInstance, - video: VideoInstance, - likes: number, - dislikes: number, - t: Transaction -) { - // Keep the order: first we undo and then we create +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[] = [] - // Undo Like - if (likes < 0) await sendUndoLikeToVideoFollowers(account, video, t) - // Undo Dislike - if (dislikes < 0) await sendUndoDislikeToVideoFollowers(account, video, t) + 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' }) + } - // Like - if (likes > 0) await sendLikeToVideoFollowers(account, video, t) - // Dislike - if (dislikes > 0) await sendCreateDislikeToVideoFollowers(account, video, t) + 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 sendVideoRateChangeToOrigin ( - account: AccountInstance, - video: VideoInstance, - likes: number, - dislikes: number, - t: Transaction -) { - // Keep the order: first we undo and then we create +async function getOrCreateVideoAndAccountAndChannel (options: { + videoObject: VideoTorrentObject | string, + syncParam?: SyncParam, + fetchType?: VideoFetchByUrlType, + refreshViews?: boolean +}) { + // Default params + const syncParam = options.syncParam || { likes: true, dislikes: true, shares: true, comments: true, thumbnail: true, refreshVideo: false } + const fetchType = options.fetchType || 'all' + const refreshViews = options.refreshViews || false + + // Get video url + const videoUrl = getAPUrl(options.videoObject) + + let videoFromDatabase = await fetchVideoByUrl(videoUrl, fetchType) + if (videoFromDatabase) { + const refreshOptions = { + video: videoFromDatabase, + fetchedType: fetchType, + syncParam, + refreshViews + } + const p = refreshVideoIfNeeded(refreshOptions) + if (syncParam.refreshVideo === true) videoFromDatabase = await p + + 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, + updateViews: boolean, + 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) + + if (options.updateViews === true) 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) + } - // Undo Like - if (likes < 0) await sendUndoLikeToOrigin(account, video, t) - // Undo Dislike - if (dislikes < 0) await sendUndoDislikeToOrigin(account, video, t) + { + // Update captions + await VideoCaptionModel.deleteAllCaptionsOfRemoteVideo(options.video.id, t) - // Like - if (likes > 0) await sendLikeToOrigin(account, video, t) - // Dislike - if (dislikes > 0) await sendCreateDislikeToOrigin(account, video, 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 }) + } } export { - fetchRemoteVideoPreview, + updateVideoFromAP, + federateVideoIfNeeded, + fetchRemoteVideo, + getOrCreateVideoAndAccountAndChannel, + fetchRemoteVideoStaticFile, fetchRemoteVideoDescription, generateThumbnailFromUrl, - sendVideoRateChangeToFollowers, - sendVideoRateChangeToOrigin + 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 refreshVideoIfNeeded (options: { + video: VideoModel, + fetchedType: VideoFetchByUrlType, + syncParam: SyncParam, + refreshViews: boolean +}): 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) + return video + } + + const channelActor = await getOrCreateVideoChannelFromVideoObject(videoObject) + const account = await AccountModel.load(channelActor.VideoChannel.accountId) + + const updateOptions = { + video, + videoObject, + account, + channel: channelActor.VideoChannel, + updateViews: options.refreshViews + } + await retryTransactionWrapper(updateVideoFromAP, updateOptions) + await syncVideoExternalAttributes(video, videoObject, options.syncParam) + + return video + } catch (err) { + logger.warn('Cannot refresh video %s.', options.video.url, { err }) + return video + } +} + +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 }