Class: Oneaws::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/oneaws/client.rb

Defined Under Namespace

Classes: MfaDeviceNotFoundError, SamlRequestError

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Client

Returns a new instance of Client.



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# File 'lib/oneaws/client.rb', line 10

def initialize
  @onelogin = OneLogin::Api::Client.new({
    client_id: ENV['ONELOGIN_CLIENT_ID'],
    client_secret: ENV['ONELOGIN_CLIENT_SECRET'],
    region: ENV['ONELOGIN_REGION'] || 'us',
  })

  @aws = Aws::STS::Client.new(
    credentials: Aws::AssumeRoleCredentials,
    region: ENV['AWS_REGION'] || 'ap-northeast-1',
  )
end

Instance Method Details

#issue_credential(options) ⇒ Object 



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# File 'lib/oneaws/client.rb', line 23

def issue_credential(options)
  username = options[:username]
  password = options[:password]
  app_id = options[:app_id]
  subdomain = options[:subdomain]
  response = @onelogin.get_saml_assertion(username, password, app_id, subdomain)
  if response.nil?
    raise SamlRequestError.new("#{@onelogin.error} #{@onelogin.error_description}")
  end

  mfa = response.mfa
  
  if mfa.devices.length == 1
    mfa_device = mfa.devices.first
  else
    puts "\nAvailable MFA devices:"
    mfa.devices.each_with_index do |device, index|
      puts "#{index + 1}. #{device.type} (ID: #{device.id})"
    end

    print "\nSelect MFA device (1-#{mfa.devices.length}): "
    selection = STDIN.gets.chomp.to_i

    if selection < 1 || selection > mfa.devices.length
      raise MfaDeviceNotFoundError.new("Invalid device selection.")
    end

    mfa_device = mfa.devices[selection - 1]
  end

  device_types_that_do_not_require_token = [
    "OneLogin Protect"
  ]

  otp_token = unless device_types_that_do_not_require_token.include?(mfa_device.type)
    print "input OTP of #{mfa_device.type}: "
    STDIN.noecho(&:gets)
  end

  response = @onelogin.get_saml_assertion_verifying(app_id, mfa_device.id, mfa.state_token, otp_token, nil, false)
  
  if response.nil?
    raise SamlRequestError.new("#{@onelogin.error} #{@onelogin.error_description}")
  end

  while response.type != "success" do
    sleep 1
    response = @onelogin.get_saml_assertion_verifying(app_id, mfa_device.id, mfa.state_token, nil, nil, true)
    if response.nil?
      raise SamlRequestError.new("#{@onelogin.error} #{@onelogin.error_description}")
    end
  end

  saml_assertion = response.saml_response

  params = {
    duration_seconds: (ENV['DURATION_SECONDS'] || 3600).to_i,
    principal_arn: ENV['AWS_PRINCIPAL_ARN'],
    role_arn: ENV['AWS_ROLE_ARN'],
    saml_assertion: saml_assertion,
  }
  @aws.assume_role_with_saml(params)[:credentials]
end