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https://issues.apache.org/jira/browse/SLING-1734?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Carsten Ziegeler closed SLING-1734.
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> Change semantics of filter service scope support
> ------------------------------------------------
>
> Key: SLING-1734
> URL: https://issues.apache.org/jira/browse/SLING-1734
> Project: Sling
> Issue Type: Improvement
> Components: Engine
> Affects Versions: Engine 2.1.0
> Reporter: Felix Meschberger
> Assignee: Carsten Ziegeler
> Fix For: Engine 2.2.0
>
>
> Currently the Sling Engine supports javax.servlet.Filter services with or
> without service registration properties but explicitly ignores Filter
> services with the "pattern" property set. This is suboptimal and may lead to
> false positives.
> The scope of registered filters can be configured with an optional property
> filter.scope set to "request" (the default if the property is not set) or
> "component" (as of SLING-1213 further values are supported).
> This setup should be modified as follows:
> * The property name "filter.scope" is deprecated but still supported for
> backwards compaitiblity
> * A new property "sling.filter.scope" is defined which is required for a
> javax.servlet.Filter to be accepted
> The new property is introduced to minimize the change of a property name
> collision with other consumers of javax.servlet.Filter services which might
> (theoretically) define the same property.
> By default javax.servlet.Filter services without either the
> sling.filter.scope or the old filter.scope property set will be ignored. This
> can be overwritten by a configuration option of the Sling Main Servlet
> component to still accept filters without any of the two properties.
> See also the discussion at http://markmail.org/message/quxhm7d5s6u66crr
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