omniauth_openid_connect
An OpenID Connect strategy for the Ruby OmniAuth library, enabling OAuth2-based authentication with OpenID Connect providers.
What is omniauth_openid_connect?
OmniAuth::OpenIDConnect is a Ruby gem that implements an OpenID Connect strategy for the OmniAuth library. It enables Ruby applications to authenticate users via OpenID Connect providers using the OAuth 2.0 authorization framework. The gem solves the problem of integrating standards-based, secure authentication with identity providers like Google, Azure AD, or custom OpenID Connect servers.
Ruby developers, particularly those using Rails and Devise, who need to add OpenID Connect-based authentication to their web applications.
Developers choose this gem because it provides a well-maintained, spec-compliant OpenID Connect implementation for OmniAuth with extensive configuration options, seamless Devise integration, and support for modern security features like PKCE.
Overview
OmniAuth::OpenIDConnect is a Ruby gem that provides an OpenID Connect strategy for the OmniAuth authentication framework. It allows Ruby applications, particularly those built with Rails and Devise, to integrate with OpenID Connect identity providers for secure, standards-based user authentication.
Key Features
- OpenID Connect Compliance — Implements the OpenID Connect Core 1.0 specification for authentication.
- Flexible Configuration — Supports extensive configuration options including scopes, response types, client authentication methods, and PKCE flow.
- Provider Discovery — Optional OpenID Connect Discovery to automatically fetch provider endpoints.
- Multiple Grant Types — Supports Authorization Code grant and Implicit grant response types.
- Devise Integration — Works seamlessly with the Devise authentication library for Rails applications.
- Customizable UID Field — Allows configuration of which user info field to use as the unique identifier.
- State and Nonce Management — Configurable state parameter handling and nonce support for security.
- Logout Support — Includes end session endpoint configuration for single sign-out.
Philosophy
OmniAuth::OpenIDConnect follows the OmniAuth philosophy of providing a standardized, flexible interface for authentication, focusing on OpenID Connect compliance while offering developers extensive configuration options to adapt to various identity providers.
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