You might want to have a look here:
It's OAuth 1.0A but should give you some ideas.
There is no "out-of-the box" processor as far as I know.
For OAuth 2.0, few JIRAs are currently in progress: NIFI-4243, NIFI-4244,
2017-08-09 8:55 GMT+02:00 karthi keyan <karthi93.san...@gmail.com>:
> Hi all,
> I need to request data from Datasource which requires OAuth 1.0.
> Is there any way to do in NIFI Processors?
> Can any one guide me over this requirement?