secure_request?

# File actioncable/lib/action_cable/connection/client_socket.rb, line 15
      def self.secure_request?(env)
        return true if env['HTTPS'] == 'on'
        return true if env['HTTP_X_FORWARDED_SSL'] == 'on'
        return true if env['HTTP_X_FORWARDED_SCHEME'] == 'https'
        return true if env['HTTP_X_FORWARDED_PROTO'] == 'https'
        return true if env['rack.url_scheme'] == 'https'

        return false
      end