shared-auth

Reusable authentication middleware for Node.js microservices.

Features

• Generalized verifyToken middleware for Express
• JWT verification
• User lookup and role extraction
• Customizable error handling

Installation

npm install @your-org/shared-auth

Or locally:

npm install /absolute/path/to/shared-auth

Usage

import { createVerifyToken } from '@your-org/shared-auth';
import User from '../models/User.model';
import config from '../config/config';
import errorHandler from './errorHandler';

const verifyToken = createVerifyToken({
  getUserById: (id) => User.findById(id).populate('role'),
  jwtSecret: config.jwt.secret,
  errorHandler,
});

app.use(verifyToken);

Parameters

• getUserById: async function to fetch user by ID
• jwtSecret: your JWT secret string
• errorHandler: function to create error responses

License

MIT