Daily Archives: 20 January, 2025

Discover how **passport-keycloak-oauth2-oidc-portable** integrates Keycloak with OAuth2 and OpenID Connect (OIDC) using the secure Proof Key for Code Exchange (PKCE) protocol. This article explores implementing PKCE to protect public clients like desktop and single-page applications from common authentication vulnerabilities such as CSRF and authorization code interception. Learn about setting up a Keycloak test instance with Docker to facilitate seamless local development and testing. Through a practical example, see how PKCE aligns with modern security standards, providing a robust and efficient authentication mechanism for your applications. Whether you’re enhancing existing authentication flows or building new solutions, this guide offers valuable insights into leveraging PKCE, Keycloak, and Passport.js to create secure authentication frameworks.