server/lib/job-queue/handlers/activitypub-http-fetcher.ts

   1 import * as kue from 'kue'
   2 import { logger } from '../../../helpers/logger'
   3 import { doRequest } from '../../../helpers/requests'
   4 import { ACTIVITY_PUB } from '../../../initializers'
   5 import { processActivities } from '../../activitypub/process'
   6 import { ActivitypubHttpBroadcastPayload } from './activitypub-http-broadcast'
   7
   8 export type ActivitypubHttpFetcherPayload = {
   9   uris: string[]
  10 }
  11
  12 async function processActivityPubHttpFetcher (job: kue.Job) {
  13   logger.info('Processing ActivityPub fetcher in job %d.', job.id)
  14
  15   const payload = job.data as ActivitypubHttpBroadcastPayload
  16
  17   const options = {
  18     method: 'GET',
  19     uri: '',
  20     json: true,
  21     activityPub: true
  22   }
  23
  24   for (const uri of payload.uris) {
  25     options.uri = uri
  26     logger.info('Fetching ActivityPub data on %s.', uri)
  27
  28     const response = await doRequest(options)
  29     const firstBody = response.body
  30
  31     if (firstBody.first && Array.isArray(firstBody.first.orderedItems)) {
  32       const activities = firstBody.first.orderedItems
  33
  34       logger.info('Processing %i items ActivityPub fetcher for %s.', activities.length, options.uri)
  35
  36       await processActivities(activities)
  37     }
  38
  39     let limit = ACTIVITY_PUB.FETCH_PAGE_LIMIT
  40     let i = 0
  41     let nextLink = firstBody.first.next
  42     while (nextLink && i < limit) {
  43       options.uri = nextLink
  44
  45       const { body } = await doRequest(options)
  46       nextLink = body.next
  47       i++
  48
  49       if (Array.isArray(body.orderedItems)) {
  50         const activities = body.orderedItems
  51         logger.info('Processing %i items ActivityPub fetcher for %s.', activities.length, options.uri)
  52
  53         await processActivities(activities)
  54       }
  55     }
  56   }
  57 }
  58
  59 // ---------------------------------------------------------------------------
  60
  61 export {
  62   processActivityPubHttpFetcher
  63 }