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