[jira] [Assigned] (OAK-3899) Extend TokenLoginModule to respect shared key javax.security.auth.login.name

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

     [ https://issues.apache.org/jira/browse/OAK-3899?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

angela reassigned OAK-3899:
---------------------------

    Assignee: angela

> Extend TokenLoginModule to respect shared key javax.security.auth.login.name
> ----------------------------------------------------------------------------
>
>                 Key: OAK-3899
>                 URL: https://issues.apache.org/jira/browse/OAK-3899
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 1.3.14
>            Reporter: Alexander Klimetschek
>            Assignee: angela
>         Attachments: OAK-3899.patch
>
>
> The {{TokenLoginModule}} and specifically TokenProviderImpl [only look at SimpleCredentials.getUserID()|https://github.com/apache/jackrabbit-oak/blob/1144914c053ec9c2723450261fabfee1bd9d0e58/oak-core/src/main/java/org/apache/jackrabbit/oak/security/authentication/token/TokenProviderImpl.java#L165] when creating a token.
> However, in certain situations, such as with the ExternalLoginModule and non-username/password credentials, the SimpleCredentials are used but don't have a user id as the real user id is determined not by the caller of {{Repository.login()}}, but by the external identity provider inside the ExternalLoginModule (and the credentials might not include any kind of user id, say an opaque token from an external service). In this case, {{SimpleCredentials.getUserID()}} returns null and the token implementation fails to create a token and does not return it in the {{.token}} attribute of the credentials.
> Instead, the TokenLoginModule should look at the shared {{javax.security.auth.login.name}} attribute, which can de-facto override a {{SimpleCredentials.getUserID()}}, as it happens in the ExternalLoginModule.



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