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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10883) Restrict the universe of labels and authorizations to [A-Za-z0-9\_][A-Za-z0-9\_\-]*
Date Tue, 01 Apr 2014 07:16:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10883?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13956184#comment-13956184
] 

Andrew Purtell commented on HBASE-10883:
----------------------------------------

I think we should use the common pattern for identifiers in various programming languages,
[A-Za-z\_][A-Za-z0-9\_\-]*

> Restrict the universe of labels and authorizations to [A-Za-z0-9\_][A-Za-z0-9\_\-]*
> -----------------------------------------------------------------------------------
>
>                 Key: HBASE-10883
>                 URL: https://issues.apache.org/jira/browse/HBASE-10883
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 0.98.1
>            Reporter: Andrew Purtell
>             Fix For: 0.99.0, 0.98.2
>
>
> Currently we allow any string as visibility label or request authorization. However as
seen on HBASE-10878, we accept for authorizations strings that would not work if provided
as labels in visibility expressions. We should throw an exception at least in cases where
someone tries to define or use a label or authorization including visibility expression operators
'&', '|', '!', '(', ')'.



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