ReactJS和AWS-S3从客户端上传

I have a single page application built with ReactJS and MobX for the front end part, and ruby on rails for the backend part. I have an image drop zone container, and I want the user to be able to upload images, but all the uploading implementation to be done in the front-end part, and the backend only will receive the URL from the uploaded image. Is it possible to accomplish this with ReactJS without involving the server at all? I have a single page application built with Rea