Class: Rack::U2f::RegistrationServer

Inherits:
Object
  • Object
show all
Includes:
Helpers
Defined in:
lib/rack/u2f/registration_server.rb

Overview

Middleware allow registration of u2f devices

Instance Method Summary collapse

Methods included from Helpers

#extract_app_id

Constructor Details

#initialize(config) ⇒ RegistrationServer

Returns a new instance of RegistrationServer.



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# File 'lib/rack/u2f/registration_server.rb', line 10

def initialize(config)
  @config = config
  @store = config[:store]
  raise 'Missing RegistrationMiddleware Config' if @config.nil?
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack/u2f/registration_server.rb', line 16

def call(env)
  return [403, {}, ['Registration Disabled']] unless @config[:enable_registration]
  request = Rack::Request.new(env)
  if request.get?
    generate_registration(request)
  else
    u2f = U2F::U2F.new(extract_app_id(request))

    response = U2F::RegisterResponse.load_from_json(request.params['response'])
    reg = begin
      u2f.register!(request.session['challenges'], response)
    rescue U2F::Error => e
      return [422, {}, ['Unable to register device']]
    ensure
      request.session.delete('challenges')
    end
    @store.store_registration(
      certificate: reg.certificate,
      key_handle: reg.key_handle,
      public_key: reg.public_key,
      counter: reg.counter
    )
    return [200, {}, ["Registration Successful"]]
  end
end