Case study

AuthPlus

Production-ready authentication system with dual-token strategy and OAuth2 integration.

AuthPlus screenshot 1
01

Overview

Auth Plus is a production-ready authentication application that implements industry-standard security practices with JWT-based authentication and OAuth2 social login integration with Google and GitHub.

02

Key features

JWT-based authentication with dual-token strategy
OAuth2 integration with Google and GitHub
Automatic token refresh mechanism
Secure HTTP-only cookie storage
Password encryption with BCrypt hashing
Responsive UI with React and Tailwind CSS
RESTful API with Spring Security
PostgreSQL database for user management
03

Challenges

Implementing secure token refresh without disrupting user sessions and managing OAuth2 callback flows while maintaining stateless authentication required careful coordination between frontend and backend security layers.

04

Results & impact

0115-min access token expiry with seamless refresh
0214-day refresh token validity
03Zero-downtime token renewal process
04Multi-provider authentication support
05Production-ready security implementation