How to set access-control-allow-origin in webrick under rails?

Question

I have written a small rails app to serve up content to another site via xmlhttprequests that will be operating from another domain (it will not be possible to get them runn

Answer 1

If you're on Rails 2 just add this to your application contoller.

before_filter :set_access

def set_access
  @response.headers["Access-Control-Allow-Origin"] = "*"
end

Obviously changing "*" to something a little less open would be a good idea.