X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Flib%2Factivitypub%2Fvideos.ts;h=40e9318e3817cd0234d2e344783bd893a095acf5;hb=34cbef8c6cc912143a421413bdd832c4adcc556a;hp=9442448932c27e3071de9edf7db2d79a4dcb5889;hpb=892211e8493b1f992fce7616cb1e48b7ff87a1dc;p=github%2FChocobozzz%2FPeerTube.git diff --git a/server/lib/activitypub/videos.ts b/server/lib/activitypub/videos.ts index 944244893..40e9318e3 100644 --- a/server/lib/activitypub/videos.ts +++ b/server/lib/activitypub/videos.ts @@ -1,21 +1,38 @@ +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, @@ -26,7 +43,7 @@ async function fetchRemoteVideoDescription (video: VideoInstance) { 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) @@ -37,8 +54,272 @@ function generateThumbnailFromUrl (video: VideoInstance, icon: ActivityIconObjec 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 + 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 }