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

// @flow
import logger from 'services/logger';

import { getCredentials } from 'components/auth/reducer';

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

import type { AuthContext } from './AuthFlow';

export default class MfaState extends AbstractState {
    enter(context: AuthContext) {
        const {
            login,
            password,
            isTotpRequired
        } = getCredentials(context.getState());

        if (login && password && isTotpRequired) {
            context.navigate('/mfa');
        } else {
            context.setState(new CompleteState());
        }
    }

    resolve(context: AuthContext, {totp}: {totp: string}) {
        const {
            login,
            password,
            rememberMe
        } = getCredentials(context.getState());

        return context.run('login', {
            totp,
            password,
            rememberMe,
            login
        })
            .then(() => context.setState(new CompleteState()))
            .catch((err = {}) =>
                err.errors || logger.warn('Error logging in', err)
            );
    }

    goBack(context: AuthContext) {
        context.setState(new PasswordState());
    }
}