server/controllers/activitypub/outbox.ts

   1 import express from 'express'
   2 import { MActorLight } from '@server/types/models'
   3 import { Activity } from '../../../shared/models/activitypub/activity'
   4 import { VideoPrivacy } from '../../../shared/models/videos'
   5 import { activityPubCollectionPagination, activityPubContextify } from '../../helpers/activitypub'
   6 import { logger } from '../../helpers/logger'
   7 import { buildAudience } from '../../lib/activitypub/audience'
   8 import { buildAnnounceActivity, buildCreateActivity } from '../../lib/activitypub/send'
   9 import { asyncMiddleware, ensureIsLocalChannel, localAccountValidator, videoChannelsNameWithHostValidator } from '../../middlewares'
  10 import { apPaginationValidator } from '../../middlewares/validators/activitypub'
  11 import { VideoModel } from '../../models/video/video'
  12 import { activityPubResponse } from './utils'
  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/:nameWithHost/outbox',
  23   apPaginationValidator,
  24   asyncMiddleware(videoChannelsNameWithHostValidator),
  25   ensureIsLocalChannel,
  26   asyncMiddleware(outboxController)
  27 )
  28
  29 // ---------------------------------------------------------------------------
  30
  31 export {
  32   outboxRouter
  33 }
  34
  35 // ---------------------------------------------------------------------------
  36
  37 async function outboxController (req: express.Request, res: express.Response) {
  38   const accountOrVideoChannel = res.locals.account || res.locals.videoChannel
  39   const actor = accountOrVideoChannel.Actor
  40   const actorOutboxUrl = actor.url + '/outbox'
  41
  42   logger.info('Receiving outbox request for %s.', actorOutboxUrl)
  43
  44   const handler = (start: number, count: number) => buildActivities(actor, start, count)
  45   const json = await activityPubCollectionPagination(actorOutboxUrl, handler, req.query.page, req.query.size)
  46
  47   return activityPubResponse(activityPubContextify(json), res)
  48 }
  49
  50 async function buildActivities (actor: MActorLight, start: number, count: number) {
  51   const data = await VideoModel.listAllAndSharedByActorForOutbox(actor.id, start, count)
  52   const activities: Activity[] = []
  53
  54   for (const video of data.data) {
  55     const byActor = video.VideoChannel.Account.Actor
  56     const createActivityAudience = buildAudience([ byActor.followersUrl ], video.privacy === VideoPrivacy.PUBLIC)
  57
  58     // This is a shared video
  59     if (video.VideoShares !== undefined && video.VideoShares.length !== 0) {
  60       const videoShare = video.VideoShares[0]
  61       const announceActivity = buildAnnounceActivity(videoShare.url, actor, video.url, createActivityAudience)
  62
  63       activities.push(announceActivity)
  64     } else {
  65       const videoObject = video.toActivityPubObject()
  66       const createActivity = buildCreateActivity(video.url, byActor, videoObject, createActivityAudience)
  67
  68       activities.push(createActivity)
  69     }
  70   }
  71
  72   return {
  73     data: activities,
  74     total: data.total
  75   }
  76 }