Introduction

This article discusses a common issue in applications using GitHub OAuth for authentication: inadvertently overwriting a user's existing token with one that has fewer permissions. We'll explore how to ensure the application preserves the user's original, broader-scoped token when requesting narrower scopes during subsequent logins.

The Problem

Many applications use GitHub

This post details a recent effort to improve the security, reliability, and maintainability of our application. It covers several key areas, including XSS prevention, reCAPTCHA consolidation, OAuth error handling, dependency injection, and code cleanup.