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https://issues.apache.org/jira/browse/SLING-6187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15746807#comment-15746807
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Justin Edelson commented on SLING-6187:
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[~alexander.klimetschek] I'm trying to solve this problem in a generic way that
can be reused across multiple PostProcessors (or, really based on
[~bdelacretaz]'s feedback multiple 'sets' of PostProcessors). Certainly the AEM
issue can be solved in a different way by changing how the encryption post
processing is done to *not* rely on an @Suffix param being handled. That would
be a very AEM specific (and likely non-backwards compatible change) which we
should discuss in the proper context.
Personally, I think the functionality described in this issue is important
regardless of the specifics of the AEM encryption issue.
> Provide a way for a POST request to assert a set of required
> SlingPostProcessors
> --------------------------------------------------------------------------------
>
> Key: SLING-6187
> URL: https://issues.apache.org/jira/browse/SLING-6187
> Project: Sling
> Issue Type: Improvement
> Components: Servlets
> Reporter: Justin Edelson
> Assignee: Justin Edelson
> Fix For: Servlets Post 2.3.16
>
> Attachments: SLING-6187-profile.diff, SLING-6187.patch
>
>
> I would like to add support for a new "special" request parameter understood
> by the Sling Post Servlet named {{:requiredPostProcessors}}. This parameter
> may contain a comma-delimited list of names (see below) which *must* be
> available *at the time the request is processed* in order for the request to
> be handled. Whether or not those processors _do_ anything or whether the
> request succeeds or not is a separate question; this is just a preflight
> check if you will.
> If any of the required SlingPostProcessors are not available, the request
> will fail with a 501 error.
> The name of a SlingPostProcessor will be defined by a newly defined service
> registration property {{postProcessor.name}} and default to the simple name
> of the SlingPostProcessor's implementation class if that property is not
> defined.
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