call

# File actionpack/lib/action_dispatch/middleware/host_authorization.rb, line 135
    def call(env)
      return @app.call(env) if @permissions.empty?

      request = Request.new(env)
      hosts = blocked_hosts(request)

      if hosts.empty? || excluded?(request)
        mark_as_authorized(request)
        @app.call(env)
      else
        env["action_dispatch.blocked_hosts"] = hosts
        @response_app.call(env)
      end
    end