accounts-frontend/src/services/authFlow/PermissionsState.js

import AbstractState from './AbstractState';
import CompleteState from './CompleteState';

export default class PermissionsState extends AbstractState {
    enter(context) {
        context.navigate('/oauth/permissions', {
            // replacing oauth entry point if currently on it
            // to allow user easy go-back action to client's site
            replace: context.getRequest().path.includes('oauth2')
        });
    }

    resolve(context) {
        this.process(context, true);
    }

    reject(context) {
        this.process(context, false);
    }

    process(context, accept) {
        context.setState(new CompleteState({
            accept
        }));
    }
}