IAMClient4D

[claudio.piffer]

Hi everyone!

I'm excited to share IAMClient4D, an open-source library I've been working on for integrating OAuth2/OpenID Connect authentication in Delphi applications. 

**What is it?**

A production-ready, strongly-typed library for OAuth2/OIDC integration with specific focus on Keycloak, but "compatible" with any RFC-compliant provider.

**Key Features:**

- ✅ Authorization Code Flow with PKCE (RFC 7636)

- ✅ Client Credentials Flow for M2M scenarios

- ✅ Complete JWT validation (signature + 12 claims)

- ✅ Native Keycloak Admin API integration

- ✅ User & role management (CRUD + batch operations)

- ✅ DMVCFramework middleware for REST APIs

- ✅ Async.Core - reusable async/await pattern for Delphi

- ✅ Cross-platform: VCL, FMX, Windows, Linux, iOS, Android

 

**Security:**

- RS256/RS384/RS512 signature verification

- JWKS auto-discovery with cache

- AES-256 encrypted token storage

- Certificate pinning support

- State/nonce validation

 

**Developer Experience:**

- Fluent API with builder pattern

- Strongly-typed DTOs

- Docker stack included (Keycloak + PostgreSQL + Nginx)

- Comprehensive documentation

- Real-world examples

 

**Use Cases:**

- Enterprise SSO integration

- REST API authentication

- Desktop/mobile and web (uniGUI)

- User management dashboards

**License:** Apache 2.0

**GitHub:** https://github.com/claudio-piffer/IAMClient4D

 

Happy coding! 🚀

[AlbertoVesx]

Thanks, I will try it

[claudio.piffer]

Hi everyone,

IAMClient4D 2.0.0 🎉

I’ve just published v2.0.0 of IAMClient4D, a Delphi library designed to integrate Keycloak / OAuth2 / OpenID Connect in a solid, production-ready way.

What’s new in this major release:

Synchronous API + async wrapper (cleaner server-side code, simpler UI integration)

Stronger JWT validation (RS256/HS*, claim validation, JWKS caching, clock skew handling)

Security hardening (important fixes in validation/claims and crypto utilities)

Encrypted storage and configurable crypto providers

Updated documentation: improved README, updated examples, and an official CHANGELOG.

Full changelog here:
https://github.com/claudio-piffer/IAMClient4D/blob/master/CHANGELOG.md