How to handle OAuth2 for generated C# client code?

[steingran]

I have an API using OAuth2 (Keycloak) authentication and have attempted to generate C# client classes using Kiota. But how to use OAuth2 authentication with the generated classes? Authentication seems to be based on Azure.Identity for C#?

[baywet]

Thanks for your interest in kiota and for reaching out. Here is some documentation about the authentication and authorization concepts for Kiota clients.
We provide default implementations you're welcomed to use if they match your scenario. It doesn't seem to be the case though, so you'll probably need to implement the token acquisition through:

1. implementing IAccessTokenProvider (you should use a library like IdentityModel to make things easier here)
2. deriving from BaseBearerAuthenticationProvider
3. (optionally) open-source your authentication provider and release it to nuget.org so others can benefit from it, if you're willing to maintain it on the long run.

Let us know if you have further questions.

[steingran]

Alright, thank you for the swift and thorough answer! 👍