Setting the Content-Type in direct to S3 upload using Rails and jQuery File Upload

Question

I\'ve seen many questions here on this topic but nothing I\'ve come across has worked for me, so here I am posting another...

I\'m on Ruby on Rails trying to configu

Answer 1

If anyone is looking for an updated answer to this question, I was able to solve this by:

1. Adding a 'content type starts with' clause to my s3 presigned post, as documented on this page: http://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-HTTPPOSTConstructPolicy.html
2. Adding a hidden input named 'Content-Type' to my form and then updating it accordingly whenever a file is selected.