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, activityPubContextify } from '../../helpers/activitypub'
   5 import { logger } from '../../helpers/logger'
   6 import { buildAnnounceActivity, buildCreateActivity } from '../../lib/activitypub/send'
   7 import { buildAudience } from '../../lib/activitypub/audience'
   8 import { asyncMiddleware, localAccountValidator, localVideoChannelValidator } from '../../middlewares'
   9 import { AccountModel } from '../../models/account/account'
  10 import { ActorModel } from '../../models/activitypub/actor'
  11 import { VideoModel } from '../../models/video/video'
  12 import { activityPubResponse } from './utils'
  13 import { VideoChannelModel } from '../../models/video/video-channel'
  14
  15 const outboxRouter = express.Router()
  16
  17 outboxRouter.get('/accounts/:name/outbox',
  18   localAccountValidator,
  19   asyncMiddleware(outboxController)
  20 )
  21
  22 outboxRouter.get('/video-channels/:name/outbox',
  23   localVideoChannelValidator,
  24   asyncMiddleware(outboxController)
  25 )
  26
  27 // ---------------------------------------------------------------------------
  28
  29 export {
  30   outboxRouter
  31 }
  32
  33 // ---------------------------------------------------------------------------
  34
  35 async function outboxController (req: express.Request, res: express.Response) {
  36   const accountOrVideoChannel: AccountModel | VideoChannelModel = res.locals.account || res.locals.videoChannel
  37   const actor = accountOrVideoChannel.Actor
  38   const actorOutboxUrl = actor.url + '/outbox'
  39
  40   logger.info('Receiving outbox request for %s.', actorOutboxUrl)
  41
  42   const handler = (start: number, count: number) => buildActivities(actor, start, count)
  43   const json = await activityPubCollectionPagination(actorOutboxUrl, handler, req.query.page)
  44
  45   return activityPubResponse(activityPubContextify(json), res)
  46 }
  47
  48 async function buildActivities (actor: ActorModel, start: number, count: number) {
  49   const data = await VideoModel.listAllAndSharedByActorForOutbox(actor.id, start, count)
  50   const activities: Activity[] = []
  51
  52   // Avoid too many SQL requests
  53   const actors = data.data.map(v => v.VideoChannel.Account.Actor)
  54   actors.push(actor)
  55
  56   for (const video of data.data) {
  57     const byActor = video.VideoChannel.Account.Actor
  58     const createActivityAudience = buildAudience([ byActor.followersUrl ], video.privacy === VideoPrivacy.PUBLIC)
  59
  60     // This is a shared video
  61     if (video.VideoShares !== undefined && video.VideoShares.length !== 0) {
  62       const videoShare = video.VideoShares[0]
  63       const announceActivity = buildAnnounceActivity(videoShare.url, actor, video.url, createActivityAudience)
  64
  65       activities.push(announceActivity)
  66     } else {
  67       const videoObject = video.toActivityPubObject()
  68       const createActivity = buildCreateActivity(video.url, byActor, videoObject, createActivityAudience)
  69
  70       activities.push(createActivity)
  71     }
  72   }
  73
  74   return {
  75     data: activities,
  76     total: data.total
  77   }
  78 }