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