KNOX-3016 - add support for client credentials flow #876
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What changes were proposed in this pull request?
Adding support for integrations to Knox proxied services and APIs via OAuth style cllient credentials flow. This allows an integration that is provided a CLIENT_ID and CLIENT_SECRET to authenticate to Knox and directly access proxied services with those or exchange those credentials for short lived JWT based access, id and refresh tokens.
This change introduces only the acceptance of the Knox TokenID and Passcode tokens as CLIENT_ID and CLIENT_SECRET in a standard OAuth 2.0 client credentials flow request body. This body will contain the following params:
Authentication using this flow will result in the effective user being what is provided as the CLIENT_ID.
How was this patch tested?
Ran existing tests and added new unit tests
Please review Knox Contributing Process before opening a pull request.