Pre-signing Amazon S3 urls for both head and get verbs

Question

I\'m hosting files on Amazon S3 that I want to make accessible using pre-signed urls.

For simple GET requests this works perfectly. There are some clients however that

Answer 1

You can also simulate the HEAD behavior with GET if you specify Range header for first byte only. The difference will be that you receive 206 instead of 200 code. Secondly full size will be in Content-Range header.

curl -r 0-0