go-oauth2utils

NewReactiveTokenSource returns a ReactiveTokenSource which repeatedly returns the same token as long as it's valid, starting with t.

ReactiveTokenSource is a TokenSource that holds a single token in memory and validates its expiry before each call to retrieve it with Token.

Transport is an http.RoundTripper that makes OAuth 2.0 HTTP requests, wrapping a base RoundTripper and adding an Authorization header with a token from the supplied Sources.