import { VideoModel } from '@server/models/video/video' import { ActivityAnnounce, ActivityCreate, ActivityDislike, ActivityFollow, ActivityLike, ActivityUndo, ActivityUndoObject, CacheFileObject } from '../../../../shared/models/activitypub' import { retryTransactionWrapper } from '../../../helpers/database-utils' import { logger } from '../../../helpers/logger' import { sequelizeTypescript } from '../../../initializers/database' import { AccountVideoRateModel } from '../../../models/account/account-video-rate' import { ActorModel } from '../../../models/actor/actor' import { ActorFollowModel } from '../../../models/actor/actor-follow' import { VideoRedundancyModel } from '../../../models/redundancy/video-redundancy' import { VideoShareModel } from '../../../models/video/video-share' import { APProcessorOptions } from '../../../types/activitypub-processor.model' import { MActorSignature } from '../../../types/models' import { fetchAPObject } from '../activity' import { forwardVideoRelatedActivity } from '../send/shared/send-utils' import { federateVideoIfNeeded, getOrCreateAPVideo } from '../videos' async function processUndoActivity (options: APProcessorOptions>) { const { activity, byActor } = options const activityToUndo = activity.object if (activityToUndo.type === 'Like') { return retryTransactionWrapper(processUndoLike, byActor, activity) } if (activityToUndo.type === 'Create') { const objectToUndo = await fetchAPObject(activityToUndo.object) if (objectToUndo.type === 'CacheFile') { return retryTransactionWrapper(processUndoCacheFile, byActor, activity, objectToUndo) } } if (activityToUndo.type === 'Dislike') { return retryTransactionWrapper(processUndoDislike, byActor, activity) } if (activityToUndo.type === 'Follow') { return retryTransactionWrapper(processUndoFollow, byActor, activityToUndo) } if (activityToUndo.type === 'Announce') { return retryTransactionWrapper(processUndoAnnounce, byActor, activityToUndo) } logger.warn('Unknown activity object type %s -> %s when undo activity.', activityToUndo.type, { activity: activity.id }) return undefined } // --------------------------------------------------------------------------- export { processUndoActivity } // --------------------------------------------------------------------------- async function processUndoLike (byActor: MActorSignature, activity: ActivityUndo) { const likeActivity = activity.object const { video: onlyVideo } = await getOrCreateAPVideo({ videoObject: likeActivity.object }) // We don't care about likes of remote videos if (!onlyVideo.isOwned()) return return sequelizeTypescript.transaction(async t => { if (!byActor.Account) throw new Error('Unknown account ' + byActor.url) const video = await VideoModel.loadFull(onlyVideo.id, t) const rate = await AccountVideoRateModel.loadByAccountAndVideoOrUrl(byActor.Account.id, video.id, likeActivity.id, t) if (!rate || rate.type !== 'like') { logger.warn('Unknown like by account %d for video %d.', byActor.Account.id, video.id) return } await rate.destroy({ transaction: t }) await video.decrement('likes', { transaction: t }) video.likes-- await federateVideoIfNeeded(video, false, t) }) } async function processUndoDislike (byActor: MActorSignature, activity: ActivityUndo) { const dislikeActivity = activity.object const { video: onlyVideo } = await getOrCreateAPVideo({ videoObject: dislikeActivity.object }) // We don't care about likes of remote videos if (!onlyVideo.isOwned()) return return sequelizeTypescript.transaction(async t => { if (!byActor.Account) throw new Error('Unknown account ' + byActor.url) const video = await VideoModel.loadFull(onlyVideo.id, t) const rate = await AccountVideoRateModel.loadByAccountAndVideoOrUrl(byActor.Account.id, video.id, dislikeActivity.id, t) if (!rate || rate.type !== 'dislike') { logger.warn(`Unknown dislike by account %d for video %d.`, byActor.Account.id, video.id) return } await rate.destroy({ transaction: t }) await video.decrement('dislikes', { transaction: t }) video.dislikes-- await federateVideoIfNeeded(video, false, t) }) } // --------------------------------------------------------------------------- async function processUndoCacheFile ( byActor: MActorSignature, activity: ActivityUndo>, cacheFileObject: CacheFileObject ) { const { video } = await getOrCreateAPVideo({ videoObject: cacheFileObject.object }) return sequelizeTypescript.transaction(async t => { const cacheFile = await VideoRedundancyModel.loadByUrl(cacheFileObject.id, t) if (!cacheFile) { logger.debug('Cannot undo unknown video cache %s.', cacheFileObject.id) return } if (cacheFile.actorId !== byActor.id) throw new Error('Cannot delete redundancy ' + cacheFile.url + ' of another actor.') await cacheFile.destroy({ transaction: t }) if (video.isOwned()) { // Don't resend the activity to the sender const exceptions = [ byActor ] await forwardVideoRelatedActivity(activity, t, exceptions, video) } }) } function processUndoAnnounce (byActor: MActorSignature, announceActivity: ActivityAnnounce) { return sequelizeTypescript.transaction(async t => { const share = await VideoShareModel.loadByUrl(announceActivity.id, t) if (!share) { logger.warn('Unknown video share %d', announceActivity.id) return } if (share.actorId !== byActor.id) throw new Error(`${share.url} is not shared by ${byActor.url}.`) await share.destroy({ transaction: t }) if (share.Video.isOwned()) { // Don't resend the activity to the sender const exceptions = [ byActor ] await forwardVideoRelatedActivity(announceActivity, t, exceptions, share.Video) } }) } // --------------------------------------------------------------------------- function processUndoFollow (follower: MActorSignature, followActivity: ActivityFollow) { return sequelizeTypescript.transaction(async t => { const following = await ActorModel.loadByUrlAndPopulateAccountAndChannel(followActivity.object, t) const actorFollow = await ActorFollowModel.loadByActorAndTarget(follower.id, following.id, t) if (!actorFollow) { logger.warn('Unknown actor follow %d -> %d.', follower.id, following.id) return } await actorFollow.destroy({ transaction: t }) return undefined }) }