Need guidance to implement OpenID connect for Steam

[EloB]

I pulled all my hair and my face is bloody and I have no clue what I'm doing.

Can someone point me in a direction? I've search Google, Github and Stackoverflow without help.

https://steamcommunity.com/dev
https://steamcommunity.com/openid

I'm using Strapi so I cant take any shortcuts by using something else... :(

[simov]

The confusion stems from the fact that Steam is an OpenID 2.0 provider, but not an OpenID Connect provider. Both standards are incompatible and the older one - OpenID 2.0 is deprecated.

Grant implements the OAuth 2.0 standard for authorization, OpenID Connect is built on top of OAuth 2.0, and therefore is supported by Grant.

There are other libraries implementing the legacy OpenID 2.0