How to get "Origin" request header in Rails

Question

How do I get the Origin request header from cross-domain AJAX requests in Rails?

Answer 1

You can achieve this in the controller by using:

request.headers['origin']

Note: You will need to make certain changes in certain config files for your application to be able to respond to a CORS request. Hope you've got that covered.

Answer 2

It seems like request.origin also works directly in recent rails versions. (at least Rails 6)