How to upload to AWS S3 directly from browser using a pre-signed URL instead of credentials?

Question

We\'d like to use Javascript AWS SDK to upload files to S3, but without using credentials at all. Uploading using credentials works, but we cannot generate an AWS IAM user f

Answer 1

I prefer this cleaner approach, via github:

If you already have a presigned URL generated for the browser, you can simply send an XHR request with that URL and the payload to upload to S3. The SDK would not be required to do this. A jQuery example below:

$.ajax({
  url: presignedUrl, // the presigned URL
  type: 'PUT',
  data: 'data to upload into URL',
  success: function() { console.log('Uploaded data successfully.'); }
});