```ruby
require_dependency "pwb/application_controller"

module Pwb
  class ApiPublic::V1::PropsController < JSONAPI::ResourceController
    # Skipping action below allows me to browse to endpoint
    # without having set mime type
    skip_before_action :ensure_valid_accept_media_type
  end
end
```

Disable CORS for api_public controller
user
```ruby
require_dependency "pwb/application_controller"

module Pwb
  class ApiPublic::V1::PropsController < JSONAPI::ResourceController
    # Skipping action below allows me to browse to endpoint
    # without having set mime type
    skip_before_action :ensure_valid_accept_media_type


    before_filter :cors_preflight_check
    after_filter :cors_set_access_control_headers

    # For all responses in this controller, return the CORS access control headers.

    def cors_set_access_control_headers
      headers['Access-Control-Allow-Origin'] = '*'
      headers['Access-Control-Allow-Methods'] = 'POST, GET, OPTIONS'
      headers['Access-Control-Max-Age'] = "1728000"
    end

    # If this is a preflight OPTIONS request, then short-circuit the
    # request, return only the necessary headers and return an empty
    # text/plain.

    def cors_preflight_check
      if request.method == :options
        headers['Access-Control-Allow-Origin'] = '*'
        headers['Access-Control-Allow-Methods'] = 'POST, GET, OPTIONS'
        headers['Access-Control-Allow-Headers'] = 'X-Requested-With, X-Prototype-Version'
        headers['Access-Control-Max-Age'] = '1728000'
        render :text => '', :content_type => 'text/plain'
      end
    end

  end
end
```
assistant