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

   1 import * as Bluebird from 'bluebird'
   2 import { ActivityCreate, VideoTorrentObject } from '../../../../shared'
   3 import { DislikeObject, VideoAbuseObject, ViewObject } from '../../../../shared/models/activitypub/objects'
   4 import { VideoCommentObject } from '../../../../shared/models/activitypub/objects/video-comment-object'
   5 import { VideoRateType } from '../../../../shared/models/videos'
   6 import { retryTransactionWrapper } from '../../../helpers/database-utils'
   7 import { logger } from '../../../helpers/logger'
   8 import { sequelizeTypescript } from '../../../initializers'
   9 import { AccountVideoRateModel } from '../../../models/account/account-video-rate'
  10 import { ActorModel } from '../../../models/activitypub/actor'
  11 import { VideoModel } from '../../../models/video/video'
  12 import { VideoAbuseModel } from '../../../models/video/video-abuse'
  13 import { VideoCommentModel } from '../../../models/video/video-comment'
  14 import { getOrCreateActorAndServerAndModel } from '../actor'
  15 import { forwardActivity, getActorsInvolvedInVideo } from '../send/misc'
  16 import { addVideoComments, resolveThread } from '../video-comments'
  17 import { addVideoShares, getOrCreateAccountAndVideoAndChannel } from '../videos'
  18
  19 async function processCreateActivity (activity: ActivityCreate) {
  20   const activityObject = activity.object
  21   const activityType = activityObject.type
  22   const actor = await getOrCreateActorAndServerAndModel(activity.actor)
  23
  24   if (activityType === 'View') {
  25     return processCreateView(actor, activity)
  26   } else if (activityType === 'Dislike') {
  27     return processCreateDislike(actor, activity)
  28   } else if (activityType === 'Video') {
  29     return processCreateVideo(actor, activity)
  30   } else if (activityType === 'Flag') {
  31     return processCreateVideoAbuse(actor, activityObject as VideoAbuseObject)
  32   } else if (activityType === 'Note') {
  33     return processCreateVideoComment(actor, activity)
  34   }
  35
  36   logger.warn('Unknown activity object type %s when creating activity.', activityType, { activity: activity.id })
  37   return Promise.resolve(undefined)
  38 }
  39
  40 // ---------------------------------------------------------------------------
  41
  42 export {
  43   processCreateActivity
  44 }
  45
  46 // ---------------------------------------------------------------------------
  47
  48 async function processCreateVideo (
  49   actor: ActorModel,
  50   activity: ActivityCreate
  51 ) {
  52   const videoToCreateData = activity.object as VideoTorrentObject
  53
  54   const { video } = await getOrCreateAccountAndVideoAndChannel(videoToCreateData, actor)
  55
  56   // Process outside the transaction because we could fetch remote data
  57   if (videoToCreateData.likes && Array.isArray(videoToCreateData.likes.orderedItems)) {
  58     logger.info('Adding likes of video %s.', video.uuid)
  59     await createRates(videoToCreateData.likes.orderedItems, video, 'like')
  60   }
  61
  62   if (videoToCreateData.dislikes && Array.isArray(videoToCreateData.dislikes.orderedItems)) {
  63     logger.info('Adding dislikes of video %s.', video.uuid)
  64     await createRates(videoToCreateData.dislikes.orderedItems, video, 'dislike')
  65   }
  66
  67   if (videoToCreateData.shares && Array.isArray(videoToCreateData.shares.orderedItems)) {
  68     logger.info('Adding shares of video %s.', video.uuid)
  69     await addVideoShares(video, videoToCreateData.shares.orderedItems)
  70   }
  71
  72   if (videoToCreateData.comments && Array.isArray(videoToCreateData.comments.orderedItems)) {
  73     logger.info('Adding comments of video %s.', video.uuid)
  74     await addVideoComments(video, videoToCreateData.comments.orderedItems)
  75   }
  76
  77   return video
  78 }
  79
  80 async function createRates (actorUrls: string[], video: VideoModel, rate: VideoRateType) {
  81   let rateCounts = 0
  82   const tasks: Bluebird<number>[] = []
  83
  84   for (const actorUrl of actorUrls) {
  85     const actor = await getOrCreateActorAndServerAndModel(actorUrl)
  86     const p = AccountVideoRateModel
  87       .create({
  88         videoId: video.id,
  89         accountId: actor.Account.id,
  90         type: rate
  91       })
  92       .then(() => rateCounts += 1)
  93
  94     tasks.push(p)
  95   }
  96
  97   await Promise.all(tasks)
  98
  99   logger.info('Adding %d %s to video %s.', rateCounts, rate, video.uuid)
 100
 101   // This is "likes" and "dislikes"
 102   await video.increment(rate + 's', { by: rateCounts })
 103
 104   return
 105 }
 106
 107 async function processCreateDislike (byActor: ActorModel, activity: ActivityCreate) {
 108   const options = {
 109     arguments: [ byActor, activity ],
 110     errorMessage: 'Cannot dislike the video with many retries.'
 111   }
 112
 113   return retryTransactionWrapper(createVideoDislike, options)
 114 }
 115
 116 async function createVideoDislike (byActor: ActorModel, activity: ActivityCreate) {
 117   const dislike = activity.object as DislikeObject
 118   const byAccount = byActor.Account
 119
 120   if (!byAccount) throw new Error('Cannot create dislike with the non account actor ' + byActor.url)
 121
 122   const { video } = await getOrCreateAccountAndVideoAndChannel(dislike.object)
 123
 124   return sequelizeTypescript.transaction(async t => {
 125     const rate = {
 126       type: 'dislike' as 'dislike',
 127       videoId: video.id,
 128       accountId: byAccount.id
 129     }
 130     const [ , created ] = await AccountVideoRateModel.findOrCreate({
 131       where: rate,
 132       defaults: rate,
 133       transaction: t
 134     })
 135     if (created === true) await video.increment('dislikes', { transaction: t })
 136
 137     if (video.isOwned() && created === true) {
 138       // Don't resend the activity to the sender
 139       const exceptions = [ byActor ]
 140       await forwardActivity(activity, t, exceptions)
 141     }
 142   })
 143 }
 144
 145 async function processCreateView (byActor: ActorModel, activity: ActivityCreate) {
 146   const view = activity.object as ViewObject
 147
 148   const { video } = await getOrCreateAccountAndVideoAndChannel(view.object)
 149
 150   const actor = await ActorModel.loadByUrl(view.actor)
 151   if (!actor) throw new Error('Unknown actor ' + view.actor)
 152
 153   await video.increment('views')
 154
 155   if (video.isOwned()) {
 156     // Don't resend the activity to the sender
 157     const exceptions = [ byActor ]
 158     await forwardActivity(activity, undefined, exceptions)
 159   }
 160 }
 161
 162 function processCreateVideoAbuse (actor: ActorModel, videoAbuseToCreateData: VideoAbuseObject) {
 163   const options = {
 164     arguments: [ actor, videoAbuseToCreateData ],
 165     errorMessage: 'Cannot insert the remote video abuse with many retries.'
 166   }
 167
 168   return retryTransactionWrapper(addRemoteVideoAbuse, options)
 169 }
 170
 171 async function addRemoteVideoAbuse (actor: ActorModel, videoAbuseToCreateData: VideoAbuseObject) {
 172   logger.debug('Reporting remote abuse for video %s.', videoAbuseToCreateData.object)
 173
 174   const account = actor.Account
 175   if (!account) throw new Error('Cannot create dislike with the non account actor ' + actor.url)
 176
 177   const { video } = await getOrCreateAccountAndVideoAndChannel(videoAbuseToCreateData.object)
 178
 179   return sequelizeTypescript.transaction(async t => {
 180     const videoAbuseData = {
 181       reporterAccountId: account.id,
 182       reason: videoAbuseToCreateData.content,
 183       videoId: video.id
 184     }
 185
 186     await VideoAbuseModel.create(videoAbuseData)
 187
 188     logger.info('Remote abuse for video uuid %s created', videoAbuseToCreateData.object)
 189   })
 190 }
 191
 192 function processCreateVideoComment (byActor: ActorModel, activity: ActivityCreate) {
 193   const options = {
 194     arguments: [ byActor, activity ],
 195     errorMessage: 'Cannot create video comment with many retries.'
 196   }
 197
 198   return retryTransactionWrapper(createVideoComment, options)
 199 }
 200
 201 async function createVideoComment (byActor: ActorModel, activity: ActivityCreate) {
 202   const comment = activity.object as VideoCommentObject
 203   const byAccount = byActor.Account
 204
 205   if (!byAccount) throw new Error('Cannot create video comment with the non account actor ' + byActor.url)
 206
 207   const { video, parents } = await resolveThread(comment.inReplyTo)
 208
 209   return sequelizeTypescript.transaction(async t => {
 210     let originCommentId = null
 211     let inReplyToCommentId = null
 212
 213     if (parents.length !== 0) {
 214       const parent = parents[0]
 215
 216       originCommentId = parent.getThreadId()
 217       inReplyToCommentId = parent.id
 218     }
 219
 220     // This is a new thread
 221     const objectToCreate = {
 222       url: comment.id,
 223       text: comment.content,
 224       originCommentId,
 225       inReplyToCommentId,
 226       videoId: video.id,
 227       accountId: byAccount.id
 228     }
 229
 230     const options = {
 231       where: {
 232         url: objectToCreate.url
 233       },
 234       defaults: objectToCreate,
 235       transaction: t
 236     }
 237     const [ ,created ] = await VideoCommentModel.findOrCreate(options)
 238
 239     if (video.isOwned() && created === true) {
 240       // Don't resend the activity to the sender
 241       const exceptions = [ byActor ]
 242
 243       // Mastodon does not add our announces in audience, so we forward to them manually
 244       const additionalActors = await getActorsInvolvedInVideo(video, t)
 245       const additionalFollowerUrls = additionalActors.map(a => a.followersUrl)
 246
 247       await forwardActivity(activity, t, exceptions, additionalFollowerUrls)
 248     }
 249   })
 250 }