Module: Mpp::Server::Decorator

Extended by:
T::Sig
Defined in:
lib/mpp/server/decorator.rb

Class Method Summary collapse

Class Method Details

.make_challenge_response(challenge, realm, extra_headers: {}) ⇒ Object 



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# File 'lib/mpp/server/decorator.rb', line 22

def make_challenge_response(challenge, realm, extra_headers: {})
  challenges = challenge.is_a?(Array) ? challenge : [challenge]
  Kernel.raise ArgumentError, "at least one challenge is required" if challenges.empty?

  first = challenges.first
  error = Mpp::PaymentRequiredError.new(realm: realm, description: first.description)
  body = JSON.generate(error.to_problem_details(challenge_id: first.id))
  www = challenges.map { |item| item.to_www_authenticate(realm) }

  headers = {
    "WWW-Authenticate" => ((www.length == 1) ? www.first : www),
    "Cache-Control" => "no-store",
    "Content-Type" => "application/problem+json"
  }
  extra_headers.each do |key, value|
    next if value.nil?

    headers[key] = value
  end
  Mpp::Server::Middleware.mark_authorization_bound_response(
    headers,
    vary: extra_headers.key?("PAYMENT-REQUIRED") ? ["Authorization", "PAYMENT-SIGNATURE"] : ["Authorization"]
  )
  {
    "_mpp_challenge" => true,
    "status" => 402,
    "headers" => headers,
    "body" => body
  }
end