nodejs

License Manager - Node.js Example

Integration example using built-in fetch (Node 18+). Zero dependencies for the client.

Structure

nodejs/
├── license-manager-client.js   # Reusable HTTP client (zero deps)
├── sample-app.js               # Interactive CLI demo
├── express-example.js          # Express.js API server
└── README.md

Requirements

• Node.js 18+ (uses built-in fetch)
• Express.js (only for the API server example)

Quick Start

CLI Demo

# Edit sample-app.js with your credentials, then:
node sample-app.js

Express API Server

npm install express
# Set environment variables or edit express-example.js
LM_SERVER_URL=https://your-server.com LM_API_KEY=your-key LM_APP_URL=https://your-app.com node express-example.js

Endpoints:

Method	URL	Description
GET	/license/connection	Test server connectivity
POST	/license/activate	Activate a license
GET	/license/verify/:productId	Verify current license
POST	/license/deactivate/:productId	Deactivate license
POST	/license/update-check	Check for updates
GET	/license/latest/:productId	Get latest version
POST	/license/update-download	Download update file

Using the Client Library

const { LicenseManagerClient } = require('./license-manager-client');

const client = new LicenseManagerClient({
  serverUrl: 'https://your-license-server.com',
  apiKey: 'your-api-key',
  applicationUrl: 'https://your-app.com',
});

// Activate
const result = await client.activateLicense('PRODUCT_ID', 'LICENSE-CODE', 'Client Name');
if (result.is_active) console.log('Licensed!');

// Verify (uses saved license file)
const verify = await client.verifyLicense('PRODUCT_ID');

// Check for updates
const update = await client.checkForUpdate('PRODUCT_ID', '1.0.0');
if (update.update_available) console.log(`New version: ${update.version}`);

// Download update
const filePath = await client.downloadUpdate(update.update_id, './updates');

Integration Tips

• Express/Fastify/NestJS: Register client as middleware or service
• Electron: Use in the main process; communicate with renderer via IPC
• Serverless (Lambda): Create client per invocation or use a warm instance

License

MIT