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

   1 import { isActivityPubUrlValid } from '@server/helpers/custom-validators/activitypub/misc'
   2 import { MIMETYPES } from '@server/initializers/constants'
   3 import { ActorModel } from '@server/models/actor/actor'
   4 import { FilteredModelAttributes } from '@server/types'
   5 import { getLowercaseExtension } from '@shared/core-utils'
   6 import { buildUUID } from '@shared/extra-utils'
   7 import { ActivityIconObject, 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 getImagesInfoFromObject (actorObject: ActivityPubActor, type: ActorImageType) {
  34   const iconsOrImages = type === ActorImageType.AVATAR
  35     ? actorObject.icons || actorObject.icon
  36     : actorObject.image
  37
  38   return normalizeIconOrImage(iconsOrImages).map(iconOrImage => {
  39     const mimetypes = MIMETYPES.IMAGE
  40
  41     if (iconOrImage.type !== 'Image' || !isActivityPubUrlValid(iconOrImage.url)) return undefined
  42
  43     let extension: string
  44
  45     if (iconOrImage.mediaType) {
  46       extension = mimetypes.MIMETYPE_EXT[iconOrImage.mediaType]
  47     } else {
  48       const tmp = getLowercaseExtension(iconOrImage.url)
  49
  50       if (mimetypes.EXT_MIMETYPE[tmp] !== undefined) extension = tmp
  51     }
  52
  53     if (!extension) return undefined
  54
  55     return {
  56       name: buildUUID() + extension,
  57       fileUrl: iconOrImage.url,
  58       height: iconOrImage.height,
  59       width: iconOrImage.width,
  60       type
  61     }
  62   })
  63 }
  64
  65 function getActorDisplayNameFromObject (actorObject: ActivityPubActor) {
  66   return actorObject.name || actorObject.preferredUsername
  67 }
  68
  69 export {
  70   getActorAttributesFromObject,
  71   getImagesInfoFromObject,
  72   getActorDisplayNameFromObject
  73 }
  74
  75 // ---------------------------------------------------------------------------
  76
  77 function normalizeIconOrImage (icon: ActivityIconObject | ActivityIconObject[]): ActivityIconObject[] {
  78   if (Array.isArray(icon)) return icon
  79   if (icon) return [ icon ]
  80
  81   return []
  82 }