@forzalabs/remora/licencing/LicenceManager.js

A powerful CLI tool for seamless data translation.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const crypto_1 = __importDefault(require("crypto"));
const PUBLICK_KEY = `-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7BWugM83YKGzTyZ6kJyy
M01JoGYBQYn/9H9utQQyC/uugV4g9d7vv87I2yUfqiHtx7BQj0mOGctqnK7vuRcg
py7fghTjsUj0MDhs8cEpc+47m0xdsU9MQQ8Xze8B3FcdvCc4xtT5nruTAUWMGIAM
WLHG8lWxkHjTSZn4S0RdpRBB7fw4jyVkc+vXCTtVtYQwMWjcErNFrdCenvci4Vus
nKlyfKS6ccLQphOc/I2w6zllFwD/l90vQeQ6kDO01aJLOmJPzvlU/TSP/lcxCYTA
TgQJQxd5UdnTSDjNw+Uu/jzZ5mVlCbtYH1RoJ6cGNglzN8Q50mVk/iVyoZCZ94b4
bwIDAQAB
-----END PUBLIC KEY-----`;
class LicenceManagerClass {
    constructor() {
        this.generate = (customer, expirationDays, features, privateKey) => {
            const now = new Date();
            const expirationDate = new Date(now.getTime() + expirationDays * 24 * 60 * 60 * 1000);
            const licenceData = {
                customer,
                features,
                issued: now.toISOString(),
                expires: expirationDate.toISOString()
            };
            const licenceString = JSON.stringify(licenceData);
            const sign = crypto_1.default.createSign('SHA256');
            sign.update(licenceString);
            sign.end();
            const signature = sign.sign(privateKey, 'base64');
            const licence = { data: licenceData, signature };
            return Buffer.from(JSON.stringify(licence)).toString('base64');
        };
        this.validate = (licence) => {
            try {
                const licenceJSON = Buffer.from(licence, 'base64').toString();
                const licenceData = JSON.parse(licenceJSON);
                const { data, signature } = licenceData;
                const now = new Date();
                const expirationDate = new Date(data.expires);
                if (now > expirationDate)
                    return { valid: false, reason: 'License expired', expiryDate: expirationDate };
                const verify = crypto_1.default.createVerify('SHA256');
                verify.update(JSON.stringify(data));
                const isSignatureValid = verify.verify(PUBLICK_KEY, signature, 'base64');
                if (!isSignatureValid)
                    return { valid: false, reason: 'Invalid license signature' };
                return {
                    valid: true,
                    expiryDate: expirationDate,
                    daysRemaining: Math.ceil((expirationDate.getTime() - now.getTime()) / (24 * 60 * 60 * 1000)),
                    features: data.features,
                    customer: data.customer
                };
            }
            catch (error) {
                return { valid: false, reason: 'License parsing error', details: error.message };
            }
        };
    }
}
const LicenceManager = new LicenceManagerClass();
exports.default = LicenceManager;