1 files changed, 103 insertions, 0 deletions
diff --git a/app/controllers/settings/two_factor_authentication/webauthn_credentials_controller.rb b/app/controllers/settings/two_factor_authentication/webauthn_credentials_controller.rb
new file mode 100644
index 000000000..a19c604f3
--- /dev/null
+++ b/app/controllers/settings/two_factor_authentication/webauthn_credentials_controller.rb
@@ -0,0 +1,103 @@
+# frozen_string_literal: true
+
+module Settings
+  module TwoFactorAuthentication
+    class WebauthnCredentialsController < BaseController
+      layout 'admin'
+
+      before_action :authenticate_user!
+      before_action :require_otp_enabled
+      before_action :require_webauthn_enabled, only: [:index, :destroy]
+
+      def new; end
+
+      def index; end
+
+      def options
+        current_user.update(webauthn_id: WebAuthn.generate_user_id) unless current_user.webauthn_id
+
+        options_for_create = WebAuthn::Credential.options_for_create(
+          user: {
+            name: current_user.account.username,
+            display_name: current_user.account.username,
+            id: current_user.webauthn_id,
+          },
+          exclude: current_user.webauthn_credentials.pluck(:external_id)
+        )
+
+        session[:webauthn_challenge] = options_for_create.challenge
+
+        render json: options_for_create, status: :ok
+      end
+
+      def create
+        webauthn_credential = WebAuthn::Credential.from_create(params[:credential])
+
+        if webauthn_credential.verify(session[:webauthn_challenge])
+          user_credential = current_user.webauthn_credentials.build(
+            external_id: webauthn_credential.id,
+            public_key: webauthn_credential.public_key,
+            nickname: params[:nickname],
+            sign_count: webauthn_credential.sign_count
+          )
+
+          if user_credential.save
+            flash[:success] = I18n.t('webauthn_credentials.create.success')
+            status = :ok
+
+            if current_user.webauthn_credentials.size == 1
+              UserMailer.webauthn_enabled(current_user).deliver_later!
+            else
+              UserMailer.webauthn_credential_added(current_user, user_credential).deliver_later!
+            end
+          else
+            flash[:error] = I18n.t('webauthn_credentials.create.error')
+            status = :internal_server_error
+          end
+        else
+          flash[:error] = t('webauthn_credentials.create.error')
+          status = :unauthorized
+        end
+
+        render json: { redirect_path: settings_two_factor_authentication_methods_path }, status: status
+      end
+
+      def destroy
+        credential = current_user.webauthn_credentials.find_by(id: params[:id])
+        if credential
+          credential.destroy
+          if credential.destroyed?
+            flash[:success] = I18n.t('webauthn_credentials.destroy.success')
+
+            if current_user.webauthn_credentials.empty?
+              UserMailer.webauthn_disabled(current_user).deliver_later!
+            else
+              UserMailer.webauthn_credential_deleted(current_user, credential).deliver_later!
+            end
+          else
+            flash[:error] = I18n.t('webauthn_credentials.destroy.error')
+          end
+        else
+          flash[:error] = I18n.t('webauthn_credentials.destroy.error')
+        end
+        redirect_to settings_two_factor_authentication_methods_path
+      end
+
+      private
+
+      def require_otp_enabled
+        unless current_user.otp_enabled?
+          flash[:error] = t('webauthn_credentials.otp_required')
+          redirect_to settings_two_factor_authentication_methods_path
+        end
+      end
+
+      def require_webauthn_enabled
+        unless current_user.webauthn_enabled?
+          flash[:error] = t('webauthn_credentials.not_enabled')
+          redirect_to settings_two_factor_authentication_methods_path
+        end
+      end
+    end
+  end
+end