RocketChat/Rocket.Chat

import type { ServerMethods } from '@rocket.chat/ui-contexts';
import { Meteor } from 'meteor/meteor';

declare module '@rocket.chat/ui-contexts' {
    // eslint-disable-next-line @typescript-eslint/naming-convention
    interface ServerMethods {
        '2fa:checkCodesRemaining': () => { remaining: number };
    }
}

Meteor.methods<ServerMethods>({
    async '2fa:checkCodesRemaining'() {
        if (!Meteor.userId()) {
            throw new Meteor.Error('not-authorized');
        }

        const user = await Meteor.userAsync();

        if (!user) {
            throw new Meteor.Error('error-invalid-user', 'Invalid user', {
                method: '2fa:checkCodesRemaining',
            });
        }

        if (!user.services?.totp?.enabled) {
            throw new Meteor.Error('invalid-totp');
        }

        return {
            remaining: user.services.totp.hashedBackup.length,
        };
    },
});