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 { getAnnounceActivityPubUrl } from '../../lib/activitypub/url'
   9 import { asyncMiddleware, localAccountValidator } from '../../middlewares'
  10 import { AccountModel } from '../../models/account/account'
  11 import { ActorModel } from '../../models/activitypub/actor'
  12 import { VideoModel } from '../../models/video/video'
  13
  14 const outboxRouter = express.Router()
  15
  16 outboxRouter.get('/accounts/:name/outbox',
  17   localAccountValidator,
  18   asyncMiddleware(outboxController)
  19 )
  20
  21 // ---------------------------------------------------------------------------
  22
  23 export {
  24   outboxRouter
  25 }
  26
  27 // ---------------------------------------------------------------------------
  28
  29 async function outboxController (req: express.Request, res: express.Response, next: express.NextFunction) {
  30   const account: AccountModel = res.locals.account
  31   const actor = account.Actor
  32
  33   const page = req.query.page || 1
  34   const { start, count } = pageToStartAndCount(page, ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE)
  35
  36   const data = await VideoModel.listAllAndSharedByActorForOutbox(actor.id, start, count)
  37   const activities: Activity[] = []
  38
  39   // Avoid too many SQL requests
  40   const actors = data.data.map(v => v.VideoChannel.Account.Actor)
  41   actors.push(actor)
  42
  43   const followersMatrix = await ActorModel.getActorsFollowerSharedInboxUrls(actors, undefined)
  44
  45   for (const video of data.data) {
  46     const byActor = video.VideoChannel.Account.Actor
  47     const createActivityAudience = buildAudience(followersMatrix[byActor.id])
  48
  49     // This is a shared video
  50     if (video.VideoShares !== undefined && video.VideoShares.length !== 0) {
  51       const announceAudience = buildAudience(followersMatrix[actor.id])
  52       const url = getAnnounceActivityPubUrl(video.url, actor)
  53       const announceActivity = await announceActivityData(url, actor, video.url, undefined, announceAudience)
  54
  55       activities.push(announceActivity)
  56     } else {
  57       const videoObject = video.toActivityPubObject()
  58       const createActivity = await createActivityData(video.url, byActor, videoObject, undefined, createActivityAudience)
  59
  60       activities.push(createActivity)
  61     }
  62   }
  63
  64   const newResult = {
  65     data: activities,
  66     total: data.total
  67   }
  68   const json = activityPubCollectionPagination(account.Actor.url + '/outbox', page, newResult)
  69
  70   return res.json(json).end()
  71 }