Class: PasskeyAuth::Webauthn::Credentials::ChallengesController

Inherits:
ApplicationController
  • Object
show all
Defined in:
app/controllers/passkey_auth/webauthn/credentials/challenges_controller.rb

Instance Method Summary collapse

Instance Method Details

#create ⇒ Object 



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# File 'app/controllers/passkey_auth/webauthn/credentials/challenges_controller.rb', line 13

def create
  user = current_user || find_user_by_session_id

  # Generate WebAuthn ID if the user does not have any yet
  user.update(webauthn_id: ::WebAuthn.generate_user_id) unless user.webauthn_id

  user_email = PasskeyAuth.user_email(user)
  webauthn_name = params[:name].presence || user.try(:name) || user_email

  # Prepare the needed data for a challenge
  create_options = ::WebAuthn::Credential.options_for_create(
    user: {
      id: user.webauthn_id,
      display_name: webauthn_name,
      name: user_email # unique name for auth
    },
    exclude: user.webauthn_credentials.pluck(:external_id),
    authenticator_selection: {
      authenticator_attachment: "platform",
      user_verification: "preferred",
      resident_key: "required"
    }
  )

  # Generate the challenge and save it into the session
  session[:webauthn_registration_challenge] = create_options.challenge

  respond_to do |format|
    format.json { render json: create_options }
  end
end