Refactor AP actors

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

@@ -0,0 +1,70 @@
+import { extname } from 'path'
+import { v4 as uuidv4 } from 'uuid'
+import { isActivityPubUrlValid } from '@server/helpers/custom-validators/activitypub/misc'
+import { MIMETYPES } from '@server/initializers/constants'
+import { ActorModel } from '@server/models/actor/actor'
+import { FilteredModelAttributes } from '@server/types'
+import { ActivityPubActor, ActorImageType } from '@shared/models'
+
+function getActorAttributesFromObject (
+  actorObject: ActivityPubActor,
+  followersCount: number,
+  followingCount: number
+): FilteredModelAttributes<ActorModel> {
+  return {
+    type: actorObject.type,
+    preferredUsername: actorObject.preferredUsername,
+    url: actorObject.id,
+    publicKey: actorObject.publicKey.publicKeyPem,
+    privateKey: null,
+    followersCount,
+    followingCount,
+    inboxUrl: actorObject.inbox,
+    outboxUrl: actorObject.outbox,
+    followersUrl: actorObject.followers,
+    followingUrl: actorObject.following,
+
+    sharedInboxUrl: actorObject.endpoints?.sharedInbox
+      ? actorObject.endpoints.sharedInbox
+      : null
+  }
+}
+
+function getImageInfoFromObject (actorObject: ActivityPubActor, type: ActorImageType) {
+  const mimetypes = MIMETYPES.IMAGE
+  const icon = type === ActorImageType.AVATAR
+    ? actorObject.icon
+    : actorObject.image
+
+  if (!icon || icon.type !== 'Image' || !isActivityPubUrlValid(icon.url)) return undefined
+
+  let extension: string
+
+  if (icon.mediaType) {
+    extension = mimetypes.MIMETYPE_EXT[icon.mediaType]
+  } else {
+    const tmp = extname(icon.url)
+
+    if (mimetypes.EXT_MIMETYPE[tmp] !== undefined) extension = tmp
+  }
+
+  if (!extension) return undefined
+
+  return {
+    name: uuidv4() + extension,
+    fileUrl: icon.url,
+    height: icon.height,
+    width: icon.width,
+    type
+  }
+}
+
+function getActorDisplayNameFromObject (actorObject: ActivityPubActor) {
+  return actorObject.name || actorObject.preferredUsername
+}
+
+export {
+  getActorAttributesFromObject,
+  getImageInfoFromObject,
+  getActorDisplayNameFromObject
+}