- if (
- actorJSON.icon && actorJSON.icon.type === 'Image' && MIMETYPES.IMAGE.MIMETYPE_EXT[actorJSON.icon.mediaType] !== undefined &&
- isActivityPubUrlValid(actorJSON.icon.url)
- ) {
- const extension = MIMETYPES.IMAGE.MIMETYPE_EXT[actorJSON.icon.mediaType]
-
- return {
- name: uuidv4() + extension,
- fileUrl: actorJSON.icon.url
- }
+ const mimetypes = MIMETYPES.IMAGE
+ const icon = actorJSON.icon
+
+ 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