[JIRA] Commented: (SDSJ-111) metadata filtering for CDS

[Thomas Scavo (JIRA)]

    [ https://issues.shibboleth.net/jira/browse/SDSJ-111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14181#comment-14181 ] 

Thomas Scavo commented on SDSJ-111:
-----------------------------------

FWIW, I'll suggest a solution that might work for us. Based on a configured entity attribute name-value pair, either whitelist or blacklist all IdPs that possess that entity attribute. I suspect that would go a long way towards solving this problem.

> metadata filtering for CDS
> --------------------------
>
>                 Key: SDSJ-111
>                 URL: https://issues.shibboleth.net/jira/browse/SDSJ-111
>             Project: Centralized Discovery Service
>          Issue Type: New Feature
>    Affects Versions: 1.2
>            Reporter: Ian Young
>            Assignee: Rod Widdowson
>            Priority: Minor
>
> It would be nice to be able to filter metadata used by the CDS using some flexible mechanism such as presence/absence if given entity attribute values or (as a more general approach) an XPath expression.
> Background: at present, the UK federation CDS skin makes use of two very similar metadata files, one with a complete list of all entities and a second with some IdPs removed ("hidden from WAYF").  The latter is presented by default, with the former being a user-selectable option (via a link called "search across all sites").  This means producing and signing two aggregates; it would be nice to be able to go down to just one, with the filtering being performed inside the application.

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