Add support for RFC 8693 token exchange requests #581
Merged
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This commit adds a new OAuth "flow" to perform the token exchange protocol described in RFC 8693. This is a pretty obscure and advanced OAuth feature, but I thought it would be nice to have some helpers to support it in
httr2
, anyway.I'm not aware of that many implementations of this RFC, though there are a few to note:
GCP uses it for a couple of identity federation features.
Okta uses it for some advanced delegation features.
Some open-source auth tools like Curity seem to support it, as do various commercial identity management platforms like Asgardeo.
Posit Connect uses it to power its OAuth integration feature.
Closes #460.