oidc-provider/lib/actions/authorization/reject_registration.js

OAuth 2.0 Authorization Server implementation for Node.js with OpenID Connect

import { RegistrationNotSupported } from '../../helpers/errors.js';

/*
 * Rejects registration parameter as not supported.
 */
export default function rejectRegistration(ctx, next) {
  if (ctx.oidc.params.registration !== undefined) {
    throw new RegistrationNotSupported();
  }

  return next();
}