Re:OAuth for the Open Web
by dane-pgp on Saturday July 07, 2018 @07:48PM
(#17481328)
You mention "URL (or email)", so I think it is worth pointing out that there is a standardized way of converting an email address into an HTTP URL, namely WebFinger.
The RFC even includes an example of doing something very similar to this use case:
The RFC even includes an example of doing something very similar to this use case:
https://tools.ietf.org/html/rfc7033#section-3.1