server/lib/activitypub/process/process-create.ts

   1 import { ActivityCreate, VideoTorrentObject } from '../../../../shared'
   2 import { DislikeObject, VideoAbuseObject, ViewObject } from '../../../../shared/models/activitypub/objects'
   3 import { VideoCommentObject } from '../../../../shared/models/activitypub/objects/video-comment-object'
   4 import { retryTransactionWrapper } from '../../../helpers/database-utils'
   5 import { logger } from '../../../helpers/logger'
   6 import { sequelizeTypescript } from '../../../initializers'
   7 import { AccountVideoRateModel } from '../../../models/account/account-video-rate'
   8 import { ActorModel } from '../../../models/activitypub/actor'
   9 import { VideoAbuseModel } from '../../../models/video/video-abuse'
  10 import { VideoCommentModel } from '../../../models/video/video-comment'
  11 import { getOrCreateActorAndServerAndModel } from '../actor'
  12 import { getActorsInvolvedInVideo } from '../audience'
  13 import { resolveThread } from '../video-comments'
  14 import { getOrCreateAccountAndVideoAndChannel } from '../videos'
  15 import { forwardActivity } from '../send/utils'
  16
  17 async function processCreateActivity (activity: ActivityCreate) {
  18   const activityObject = activity.object
  19   const activityType = activityObject.type
  20   const actor = await getOrCreateActorAndServerAndModel(activity.actor)
  21
  22   if (activityType === 'View') {
  23     return processCreateView(actor, activity)
  24   } else if (activityType === 'Dislike') {
  25     return processCreateDislike(actor, activity)
  26   } else if (activityType === 'Video') {
  27     return processCreateVideo(actor, activity)
  28   } else if (activityType === 'Flag') {
  29     return processCreateVideoAbuse(actor, activityObject as VideoAbuseObject)
  30   } else if (activityType === 'Note') {
  31     return processCreateVideoComment(actor, activity)
  32   }
  33
  34   logger.warn('Unknown activity object type %s when creating activity.', activityType, { activity: activity.id })
  35   return Promise.resolve(undefined)
  36 }
  37
  38 // ---------------------------------------------------------------------------
  39
  40 export {
  41   processCreateActivity
  42 }
  43
  44 // ---------------------------------------------------------------------------
  45
  46 async function processCreateVideo (
  47   actor: ActorModel,
  48   activity: ActivityCreate
  49 ) {
  50   const videoToCreateData = activity.object as VideoTorrentObject
  51
  52   const { video } = await getOrCreateAccountAndVideoAndChannel(videoToCreateData, actor)
  53
  54   return video
  55 }
  56
  57 async function processCreateDislike (byActor: ActorModel, activity: ActivityCreate) {
  58   const options = {
  59     arguments: [ byActor, activity ],
  60     errorMessage: 'Cannot dislike the video with many retries.'
  61   }
  62
  63   return retryTransactionWrapper(createVideoDislike, options)
  64 }
  65
  66 async function createVideoDislike (byActor: ActorModel, activity: ActivityCreate) {
  67   const dislike = activity.object as DislikeObject
  68   const byAccount = byActor.Account
  69
  70   if (!byAccount) throw new Error('Cannot create dislike with the non account actor ' + byActor.url)
  71
  72   const { video } = await getOrCreateAccountAndVideoAndChannel(dislike.object)
  73
  74   return sequelizeTypescript.transaction(async t => {
  75     const rate = {
  76       type: 'dislike' as 'dislike',
  77       videoId: video.id,
  78       accountId: byAccount.id
  79     }
  80     const [ , created ] = await AccountVideoRateModel.findOrCreate({
  81       where: rate,
  82       defaults: rate,
  83       transaction: t
  84     })
  85     if (created === true) await video.increment('dislikes', { transaction: t })
  86
  87     if (video.isOwned() && created === true) {
  88       // Don't resend the activity to the sender
  89       const exceptions = [ byActor ]
  90       await forwardActivity(activity, t, exceptions)
  91     }
  92   })
  93 }
  94
  95 async function processCreateView (byActor: ActorModel, activity: ActivityCreate) {
  96   const view = activity.object as ViewObject
  97
  98   const { video } = await getOrCreateAccountAndVideoAndChannel(view.object)
  99
 100   const actor = await ActorModel.loadByUrl(view.actor)
 101   if (!actor) throw new Error('Unknown actor ' + view.actor)
 102
 103   await video.increment('views')
 104
 105   if (video.isOwned()) {
 106     // Don't resend the activity to the sender
 107     const exceptions = [ byActor ]
 108     await forwardActivity(activity, undefined, exceptions)
 109   }
 110 }
 111
 112 function processCreateVideoAbuse (actor: ActorModel, videoAbuseToCreateData: VideoAbuseObject) {
 113   const options = {
 114     arguments: [ actor, videoAbuseToCreateData ],
 115     errorMessage: 'Cannot insert the remote video abuse with many retries.'
 116   }
 117
 118   return retryTransactionWrapper(addRemoteVideoAbuse, options)
 119 }
 120
 121 async function addRemoteVideoAbuse (actor: ActorModel, videoAbuseToCreateData: VideoAbuseObject) {
 122   logger.debug('Reporting remote abuse for video %s.', videoAbuseToCreateData.object)
 123
 124   const account = actor.Account
 125   if (!account) throw new Error('Cannot create dislike with the non account actor ' + actor.url)
 126
 127   const { video } = await getOrCreateAccountAndVideoAndChannel(videoAbuseToCreateData.object)
 128
 129   return sequelizeTypescript.transaction(async t => {
 130     const videoAbuseData = {
 131       reporterAccountId: account.id,
 132       reason: videoAbuseToCreateData.content,
 133       videoId: video.id
 134     }
 135
 136     await VideoAbuseModel.create(videoAbuseData)
 137
 138     logger.info('Remote abuse for video uuid %s created', videoAbuseToCreateData.object)
 139   })
 140 }
 141
 142 function processCreateVideoComment (byActor: ActorModel, activity: ActivityCreate) {
 143   const options = {
 144     arguments: [ byActor, activity ],
 145     errorMessage: 'Cannot create video comment with many retries.'
 146   }
 147
 148   return retryTransactionWrapper(createVideoComment, options)
 149 }
 150
 151 async function createVideoComment (byActor: ActorModel, activity: ActivityCreate) {
 152   const comment = activity.object as VideoCommentObject
 153   const byAccount = byActor.Account
 154
 155   if (!byAccount) throw new Error('Cannot create video comment with the non account actor ' + byActor.url)
 156
 157   const { video, parents } = await resolveThread(comment.inReplyTo)
 158
 159   return sequelizeTypescript.transaction(async t => {
 160     let originCommentId = null
 161     let inReplyToCommentId = null
 162
 163     if (parents.length !== 0) {
 164       const parent = parents[0]
 165
 166       originCommentId = parent.getThreadId()
 167       inReplyToCommentId = parent.id
 168     }
 169
 170     // This is a new thread
 171     const objectToCreate = {
 172       url: comment.id,
 173       text: comment.content,
 174       originCommentId,
 175       inReplyToCommentId,
 176       videoId: video.id,
 177       accountId: byAccount.id
 178     }
 179
 180     const options = {
 181       where: {
 182         url: objectToCreate.url
 183       },
 184       defaults: objectToCreate,
 185       transaction: t
 186     }
 187     const [ ,created ] = await VideoCommentModel.findOrCreate(options)
 188
 189     if (video.isOwned() && created === true) {
 190       // Don't resend the activity to the sender
 191       const exceptions = [ byActor ]
 192
 193       // Mastodon does not add our announces in audience, so we forward to them manually
 194       const additionalActors = await getActorsInvolvedInVideo(video, t)
 195       const additionalFollowerUrls = additionalActors.map(a => a.followersUrl)
 196
 197       await forwardActivity(activity, t, exceptions, additionalFollowerUrls)
 198     }
 199   })
 200 }