server/controllers/activitypub/outbox.ts

   1 import * as express from 'express'
   2 import { Activity } from '../../../shared/models/activitypub/activity'
   3 import { VideoPrivacy } from '../../../shared/models/videos'
   4 import { activityPubCollectionPagination } from '../../helpers/activitypub'
   5 import { pageToStartAndCount } from '../../helpers/core-utils'
   6 import { logger } from '../../helpers/logger'
   7 import { ACTIVITY_PUB } from '../../initializers/constants'
   8 import { announceActivityData, createActivityData } from '../../lib/activitypub/send'
   9 import { buildAudience } from '../../lib/activitypub/audience'
  10 import { asyncMiddleware, localAccountValidator } from '../../middlewares'
  11 import { AccountModel } from '../../models/account/account'
  12 import { ActorModel } from '../../models/activitypub/actor'
  13 import { VideoModel } from '../../models/video/video'
  14
  15 const outboxRouter = express.Router()
  16
  17 outboxRouter.get('/accounts/:name/outbox',
  18   localAccountValidator,
  19   asyncMiddleware(outboxController)
  20 )
  21
  22 // ---------------------------------------------------------------------------
  23
  24 export {
  25   outboxRouter
  26 }
  27
  28 // ---------------------------------------------------------------------------
  29
  30 async function outboxController (req: express.Request, res: express.Response, next: express.NextFunction) {
  31   const account: AccountModel = res.locals.account
  32   const actor = account.Actor
  33
  34   const page = req.query.page || 1
  35   const { start, count } = pageToStartAndCount(page, ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE)
  36
  37   const data = await VideoModel.listAllAndSharedByActorForOutbox(actor.id, start, count)
  38   const activities: Activity[] = []
  39
  40   // Avoid too many SQL requests
  41   const actors = data.data.map(v => v.VideoChannel.Account.Actor)
  42   actors.push(actor)
  43
  44   const followersMatrix = await ActorModel.getActorsFollowerSharedInboxUrls(actors, undefined)
  45
  46   for (const video of data.data) {
  47     const byActor = video.VideoChannel.Account.Actor
  48     const createActivityAudience = buildAudience(followersMatrix[byActor.id], video.privacy === VideoPrivacy.PUBLIC)
  49
  50     // This is a shared video
  51     if (video.VideoShares !== undefined && video.VideoShares.length !== 0) {
  52       const videoShare = video.VideoShares[0]
  53       const announceAudience = buildAudience(followersMatrix[actor.id], video.privacy === VideoPrivacy.PUBLIC)
  54       const announceActivity = await announceActivityData(videoShare.url, actor, video.url, undefined, announceAudience)
  55
  56       activities.push(announceActivity)
  57     } else {
  58       const videoObject = video.toActivityPubObject()
  59       const createActivity = await createActivityData(video.url, byActor, videoObject, undefined, createActivityAudience)
  60
  61       activities.push(createActivity)
  62     }
  63   }
  64
  65   const newResult = {
  66     data: activities,
  67     total: data.total
  68   }
  69   const actorOutboxUrl = account.Actor.url + '/outbox'
  70   const json = activityPubCollectionPagination(actorOutboxUrl, page, newResult)
  71
  72   logger.info('Receiving outbox request for %s.', actorOutboxUrl)
  73
  74   return res.json(json).end()
  75 }