[jira] [Closed] (SLING-4888) Add SlingRepository.impersonateFromService

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

     [ https://issues.apache.org/jira/browse/SLING-4888?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Carsten Ziegeler closed SLING-4888.
-----------------------------------

> Add SlingRepository.impersonateFromService
> ------------------------------------------
>
>                 Key: SLING-4888
>                 URL: https://issues.apache.org/jira/browse/SLING-4888
>             Project: Sling
>          Issue Type: New Feature
>          Components: JCR
>            Reporter: angela
>            Assignee: Carsten Ziegeler
>             Fix For: JCR Jackrabbit Server 2.3.0, JCR Base 2.3.0, JCR API 2.3.0, JCR Oak Server 1.0.0
>
>         Attachments: SLING-4888.patch, SLING-4888_2.patch
>
>
> as discussed before it it would be generally preferable to perform event-based with the original subject that triggered the event instead of using a clone of the privileged session that was used to register the event listener.
> using the original subject (instead of just using the privileged session) will ultimately always results in the same piece of code which consists of
> - {{SlingRepository.loginService}} or {{SlingRepository.loginAdministrative}} followed by
> - {{Session.impersonate}} to obtain a session associated with the original subject
> - {{Session.logout}} for the privileged session
> - {{Session.logout}} for the impersonated session
> To ease the usage of the original subject, which usually would be preferable from a security point of view, I would like to suggest to introduce {{SlingRepository.impersonateFromService}}, which not only reduced the total amount of code to be written but also helped developers to move away from using {{loginAdministrative}}. Furthermore an implementation may also take advantage of implementation details and avoid the duplicate authentication altogether.
> Initial proposal of the API extension -> see attached patch



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