server/controllers/activitypub/outbox.ts

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