Import from S3, keep storage on S3 but classify using OwnCloud

I am looking to integrate ownCloud into our environment. We currently have about 8,000 images that I would like to import into ownCloud. However, they are hosted on our S3 instance and I don’t want to duplicate the effort here.

I would like to “import” or just database the files within the S3 bucket to our ownCloud instance and keep the storage in S3. Is this a possibility? Is there even an import feature for something like this?