server/lib/activitypub/process/process.ts

   1 import { StatsManager } from '@server/lib/stat-manager'
   2 import { Activity, ActivityType } from '../../../../shared/models/activitypub'
   3 import { logger } from '../../../helpers/logger'
   4 import { APProcessorOptions } from '../../../types/activitypub-processor.model'
   5 import { MActorDefault, MActorSignature } from '../../../types/models'
   6 import { getAPId } from '../activity'
   7 import { getOrCreateAPActor } from '../actors'
   8 import { checkUrlsSameHost } from '../url'
   9 import { processAcceptActivity } from './process-accept'
  10 import { processAnnounceActivity } from './process-announce'
  11 import { processCreateActivity } from './process-create'
  12 import { processDeleteActivity } from './process-delete'
  13 import { processDislikeActivity } from './process-dislike'
  14 import { processFlagActivity } from './process-flag'
  15 import { processFollowActivity } from './process-follow'
  16 import { processLikeActivity } from './process-like'
  17 import { processRejectActivity } from './process-reject'
  18 import { processUndoActivity } from './process-undo'
  19 import { processUpdateActivity } from './process-update'
  20 import { processViewActivity } from './process-view'
  21
  22 const processActivity: { [ P in ActivityType ]: (options: APProcessorOptions<Activity>) => Promise<any> } = {
  23   Create: processCreateActivity,
  24   Update: processUpdateActivity,
  25   Delete: processDeleteActivity,
  26   Follow: processFollowActivity,
  27   Accept: processAcceptActivity,
  28   Reject: processRejectActivity,
  29   Announce: processAnnounceActivity,
  30   Undo: processUndoActivity,
  31   Like: processLikeActivity,
  32   Dislike: processDislikeActivity,
  33   Flag: processFlagActivity,
  34   View: processViewActivity
  35 }
  36
  37 async function processActivities (
  38   activities: Activity[],
  39   options: {
  40     signatureActor?: MActorSignature
  41     inboxActor?: MActorDefault
  42     outboxUrl?: string
  43     fromFetch?: boolean
  44   } = {}
  45 ) {
  46   const { outboxUrl, signatureActor, inboxActor, fromFetch = false } = options
  47
  48   const actorsCache: { [ url: string ]: MActorSignature } = {}
  49
  50   for (const activity of activities) {
  51     if (!signatureActor && [ 'Create', 'Announce', 'Like' ].includes(activity.type) === false) {
  52       logger.error('Cannot process activity %s (type: %s) without the actor signature.', activity.id, activity.type)
  53       continue
  54     }
  55
  56     const actorUrl = getAPId(activity.actor)
  57
  58     // When we fetch remote data, we don't have signature
  59     if (signatureActor && actorUrl !== signatureActor.url) {
  60       logger.warn('Signature mismatch between %s and %s, skipping.', actorUrl, signatureActor.url)
  61       continue
  62     }
  63
  64     if (outboxUrl && checkUrlsSameHost(outboxUrl, actorUrl) !== true) {
  65       logger.warn('Host mismatch between outbox URL %s and actor URL %s, skipping.', outboxUrl, actorUrl)
  66       continue
  67     }
  68
  69     const byActor = signatureActor || actorsCache[actorUrl] || await getOrCreateAPActor(actorUrl)
  70     actorsCache[actorUrl] = byActor
  71
  72     const activityProcessor = processActivity[activity.type]
  73     if (activityProcessor === undefined) {
  74       logger.warn('Unknown activity type %s.', activity.type, { activityId: activity.id })
  75       continue
  76     }
  77
  78     try {
  79       await activityProcessor({ activity, byActor, inboxActor, fromFetch })
  80
  81       StatsManager.Instance.addInboxProcessedSuccess(activity.type)
  82     } catch (err) {
  83       logger.warn('Cannot process activity %s.', activity.type, { err })
  84
  85       StatsManager.Instance.addInboxProcessedError(activity.type)
  86     }
  87   }
  88 }
  89
  90 export {
  91   processActivities
  92 }