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