RocketChat/Rocket.Chat

import { InvalidLicenseError } from '../errors/InvalidLicenseError';
import { decrypt } from '../token';

export const validateFormat = async (encryptedLicense: string): Promise<boolean> => {
    if (!encryptedLicense || String(encryptedLicense).trim() === '') {
        throw new InvalidLicenseError('Empty license');
    }

    try {
        await decrypt(encryptedLicense);
    } catch (e) {
        throw new InvalidLicenseError();
    }

    return true;
};