accounts-frontend/packages/app/services/authFlow/DeviceCodeState.ts

import AbstractState from './AbstractState';
import { AuthContext } from './AuthFlow';
import CompleteState from './CompleteState';

export default class DeviceCodeState extends AbstractState {
    async resolve(context: AuthContext, payload: { user_code: string }): Promise<void> {
        const { query } = context.getRequest();

        return context
            .run('oAuthValidate', {
                params: {
                    userCode: payload.user_code,
                },
                description: query.get('description')!,
                prompt: query.get('prompt')!,
            })
            .then(() => context.setState(new CompleteState()))
            .catch((err) => {
                if (['invalid_user_code', 'expired_token', 'used_user_code'].includes(err.error)) {
                    return context.run('setErrors', { [err.parameter]: err.error });
                }

                throw err;
            });
    }
}