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.
Pregunta
How do I get the Origin request header from cross-domain AJAX requests in Rails?
Solución
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.
Otros consejos
It seems like request.origin
also works directly in recent rails versions. (at least Rails 6)