jwt-auth-utility

jwt-auth-utility is a lightweight and easy-to-use utility package for handling JSON Web Tokens (JWT) in Node.js applications. It simplifies the process of generating, signing, verifying, and refreshing access and refresh tokens, making it ideal for implementing JWT-based authentication in your project.

Features

• Access & Refresh Tokens: Easily generate and manage access and refresh tokens.
• Custom Token Lifespan: Configure expiration times for access and refresh tokens.
• Token Verification: Verify the authenticity of access and refresh tokens.
• Token Decoding: Decode JWTs without verification for quick access to payload data.
• Refresh Tokens: Generate new access tokens using refresh tokens.

Table of Contents

• Installation
• Usage
  • Basic Setup
  • Generating Tokens
  • Verifying Tokens
  • Refreshing Access Tokens
  • Decoding Tokens
• License
• Authors
• Acknowledgments

Installation

Install the package via npm:

npm i jwt-auth-utility

Usage

Basic Setup

To start using jwtauthutil, first import and initialize the JWT utility by providing your secrets:

import JWT from 'jwt-auth-utility';

const jwtUtil = new JWT('your_access_secret', 'your_refresh_secret', 
  {
    accessTokenLife: '1d',  // Optional, defaults to '1d'
    refreshTokenLife: '7d'  // Optional, defaults to '7d'
  });

Generating Tokens

You can generate both access and refresh tokens by passing a payload:

const payload= 
  {
    userId: 123,
    email: "[e-mail]",
    role: "admin"
  } 
const { accessToken, refreshToken } = jwtUtil.generateTokens(payload);

Verifying Tokens

To verify an access token:

const decodedAccessToken = jwtUtil.verifyAccessToken(accessToken);

To verify a refresh token:

const decodedRefreshToken = jwtUtil.verifyRefreshToken(refreshToken);

Refreshing Access Tokens

To generate a new access token using a refresh token:

const newAccessToken = jwtUtil.refreshAccessToken(refreshToken);

Decoding Tokens

You can decode tokens without verifying their validity:

const payload = jwtUtil.decodeToken(accessToken);

License

Authors

• @Rahul Karmakar

Acknowledgments