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