[jira] [Commented] (NIFI-4246) OAuth 2 Authorization support - Client Credentials Grant

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-4246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16502355#comment-16502355 ] 

ASF GitHub Bot commented on NIFI-4246:
--------------------------------------

Github user craigappl commented on the issue:

    https://github.com/apache/nifi/pull/2085
  
    @jdye64 and @alopresto Can you share a status on this PR? We have a requirement to support HTTP exchanges with Oauth for a client. Has the team found a more appropriate solution elsewhere?


> OAuth 2 Authorization support - Client Credentials Grant
> --------------------------------------------------------
>
>                 Key: NIFI-4246
>                 URL: https://issues.apache.org/jira/browse/NIFI-4246
>             Project: Apache NiFi
>          Issue Type: Improvement
>            Reporter: Jeremy Dyer
>            Assignee: Jeremy Dyer
>            Priority: Major
>
> If your interacting with REST endpoints on the web chances are you are going to run into an OAuth2 secured webservice. The IETF (Internet Engineering Task Force) defines 4 methods in which OAuth2 authorization can occur. This JIRA is focused solely on the Client Credentials Grant method defined at https://tools.ietf.org/html/rfc6749#section-4.4
> This implementation should provide a ControllerService in which the enduser can configure the credentials for obtaining the authorization grant (access token) from the resource owner. In turn a new property will be added to the InvokeHTTP processor (if it doesn't already exist from one of the other JIRA efforts similar to this one) where the processor can reference this controller service to obtain the access token and insert the appropriate HTTP header (Authorization: Bearer{access_token}) so that the InvokeHTTP processor can interact with the OAuth protected resources without having to worry about setting up the credentials for each InvokeHTTP processor saving time and complexity.



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