server/lib/activitypub/actors/shared/object-to-model-attributes.ts

   1 import { v4 as uuidv4 } from 'uuid'
   2 import { getLowercaseExtension } from '@server/helpers/core-utils'
   3 import { isActivityPubUrlValid } from '@server/helpers/custom-validators/activitypub/misc'
   4 import { MIMETYPES } from '@server/initializers/constants'
   5 import { ActorModel } from '@server/models/actor/actor'
   6 import { FilteredModelAttributes } from '@server/types'
   7 import { ActivityPubActor, ActorImageType } from '@shared/models'
   8
   9 function getActorAttributesFromObject (
  10   actorObject: ActivityPubActor,
  11   followersCount: number,
  12   followingCount: number
  13 ): FilteredModelAttributes<ActorModel> {
  14   return {
  15     type: actorObject.type,
  16     preferredUsername: actorObject.preferredUsername,
  17     url: actorObject.id,
  18     publicKey: actorObject.publicKey.publicKeyPem,
  19     privateKey: null,
  20     followersCount,
  21     followingCount,
  22     inboxUrl: actorObject.inbox,
  23     outboxUrl: actorObject.outbox,
  24     followersUrl: actorObject.followers,
  25     followingUrl: actorObject.following,
  26
  27     sharedInboxUrl: actorObject.endpoints?.sharedInbox
  28       ? actorObject.endpoints.sharedInbox
  29       : null
  30   }
  31 }
  32
  33 function getImageInfoFromObject (actorObject: ActivityPubActor, type: ActorImageType) {
  34   const mimetypes = MIMETYPES.IMAGE
  35   const icon = type === ActorImageType.AVATAR
  36     ? actorObject.icon
  37     : actorObject.image
  38
  39   if (!icon || icon.type !== 'Image' || !isActivityPubUrlValid(icon.url)) return undefined
  40
  41   let extension: string
  42
  43   if (icon.mediaType) {
  44     extension = mimetypes.MIMETYPE_EXT[icon.mediaType]
  45   } else {
  46     const tmp = getLowercaseExtension(icon.url)
  47
  48     if (mimetypes.EXT_MIMETYPE[tmp] !== undefined) extension = tmp
  49   }
  50
  51   if (!extension) return undefined
  52
  53   return {
  54     name: uuidv4() + extension,
  55     fileUrl: icon.url,
  56     height: icon.height,
  57     width: icon.width,
  58     type
  59   }
  60 }
  61
  62 function getActorDisplayNameFromObject (actorObject: ActivityPubActor) {
  63   return actorObject.name || actorObject.preferredUsername
  64 }
  65
  66 export {
  67   getActorAttributesFromObject,
  68   getImageInfoFromObject,
  69   getActorDisplayNameFromObject
  70 }