server/lib/activitypub/process/process.ts

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