import { ActivityAnnounce, ActivityFollow, ActivityLike, ActivityUndo, CacheFileObject } from '../../../../shared/models/activitypub' import { DislikeObject } from '../../../../shared/models/activitypub/objects' import { retryTransactionWrapper } from '../../../helpers/database-utils' import { logger } from '../../../helpers/logger' import { sequelizeTypescript } from '../../../initializers' import { AccountVideoRateModel } from '../../../models/account/account-video-rate' import { ActorModel } from '../../../models/activitypub/actor' import { ActorFollowModel } from '../../../models/activitypub/actor-follow' import { forwardVideoRelatedActivity } from '../send/utils' import { getOrCreateVideoAndAccountAndChannel } from '../videos' import { VideoShareModel } from '../../../models/video/video-share' import { VideoRedundancyModel } from '../../../models/redundancy/video-redundancy' async function processUndoActivity (activity: ActivityUndo, byActor: ActorModel) { const activityToUndo = activity.object if (activityToUndo.type === 'Like') { return retryTransactionWrapper(processUndoLike, byActor, activity) } if (activityToUndo.type === 'Create') { if (activityToUndo.object.type === 'Dislike') { return retryTransactionWrapper(processUndoDislike, byActor, activity) } else if (activityToUndo.object.type === 'CacheFile') { return retryTransactionWrapper(processUndoCacheFile, byActor, activity) } } 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: ActorModel, activity: ActivityUndo) { const likeActivity = activity.object as ActivityLike const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: likeActivity.object }) return sequelizeTypescript.transaction(async t => { if (!byActor.Account) throw new Error('Unknown account ' + byActor.url) let rate = await AccountVideoRateModel.loadByUrl(likeActivity.id, t) if (!rate) rate = await AccountVideoRateModel.load(byActor.Account.id, video.id, t) if (!rate) throw new Error(`Unknown rate by account ${byActor.Account.id} for video ${video.id}.`) await rate.destroy({ transaction: t }) await video.decrement('likes', { transaction: t }) if (video.isOwned()) { // Don't resend the activity to the sender const exceptions = [ byActor ] await forwardVideoRelatedActivity(activity, t, exceptions, video) } }) } async function processUndoDislike (byActor: ActorModel, activity: ActivityUndo) { const dislike = activity.object.type === 'Dislike' ? activity.object : activity.object.object as DislikeObject const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: dislike.object }) return sequelizeTypescript.transaction(async t => { if (!byActor.Account) throw new Error('Unknown account ' + byActor.url) let rate = await AccountVideoRateModel.loadByUrl(dislike.id, t) if (!rate) rate = await AccountVideoRateModel.load(byActor.Account.id, video.id, t) if (!rate) throw new Error(`Unknown rate by account ${byActor.Account.id} for video ${video.id}.`) await rate.destroy({ transaction: t }) await video.decrement('dislikes', { transaction: t }) if (video.isOwned()) { // Don't resend the activity to the sender const exceptions = [ byActor ] await forwardVideoRelatedActivity(activity, t, exceptions, video) } }) } async function processUndoCacheFile (byActor: ActorModel, activity: ActivityUndo) { const cacheFileObject = activity.object.object as CacheFileObject const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: cacheFileObject.object }) return sequelizeTypescript.transaction(async t => { const cacheFile = await VideoRedundancyModel.loadByUrl(cacheFileObject.id) 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() if (video.isOwned()) { // Don't resend the activity to the sender const exceptions = [ byActor ] await forwardVideoRelatedActivity(activity, t, exceptions, video) } }) } function processUndoFollow (follower: ActorModel, 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) throw new Error(`'Unknown actor follow ${follower.id} -> ${following.id}.`) await actorFollow.destroy({ transaction: t }) return undefined }) } function processUndoAnnounce (byActor: ActorModel, announceActivity: ActivityAnnounce) { return sequelizeTypescript.transaction(async t => { const share = await VideoShareModel.loadByUrl(announceActivity.id, t) if (!share) throw new Error(`Unknown video share ${announceActivity.id}.`) if (share.actorId !== byActor.id) throw new Error(`${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) } }) }