IMO, the python oauthlib does a really good job of this. they include the relevant sections of the spec into the function documentation so you can follow along:

IMO, the python oauthlib does a really good job of this. they include the relevant sections of the spec into the function documentation so you can follow along: https://github.com/oauthlib/oauthlib/blob/master/oauthlib/oauth2/rfc6749/grant_types/authorization_code.py https://github.com/oauthlib/oauthlib/blob/master/oauthlib/oa...