Description
Proposal Details
When using WaitAuthorization is not practical due to its blocking, for example in Kubernetes controllers, the GetAuthorization method can be used. By adding a RetryAfter field to the Authorization object returned by GetAuthorization these implementations can use their own polling mechanism while still respecting the value sent back by the ACME server.
The WaitAuthorization method will never need set this new field, since it does not return while the challenges are still pending.