[jira] [Resolved] (CXF-6561) ResourceOwnerGrantHandler: ResourceOwnerLoginHandler can't return null or throw exception

["Sergey Beryozkin (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CXF-6561?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sergey Beryozkin resolved CXF-6561.
-----------------------------------
       Resolution: Fixed
         Assignee: Sergey Beryozkin
    Fix Version/s: 3.0.7
                   3.1.3

> ResourceOwnerGrantHandler: ResourceOwnerLoginHandler can't return null or throw exception
> -----------------------------------------------------------------------------------------
>
>                 Key: CXF-6561
>                 URL: https://issues.apache.org/jira/browse/CXF-6561
>             Project: CXF
>          Issue Type: Bug
>          Components: JAX-RS Security
>    Affects Versions: 3.1.2
>            Reporter: Karl von Randow
>            Assignee: Sergey Beryozkin
>             Fix For: 3.1.3, 3.0.7
>
>
> ResourceOwnerGrantHandler calls a customisable ResourceOwnerLoginHandler instance, however the `createSubject(String, String)` method declares no exceptions, and a null return value is not handled. This can possibly result in the issuing of an access token if the DataProvider doesn't check for the null subject.
> ResourceOwnerGrantHandler.createAccessToken(...) appears to expect that the ResourceOwnerLoginHandler will throw an `Exception` (literally any Exception), however the method signature of the ResourceOwnerLoginHandler interface doesn't allow that.
> I will submit a pull request with a suggested fix.



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