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https://issues.apache.org/jira/browse/HBASE-11438?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14087831#comment-14087831
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ramkrishna.s.vasudevan commented on HBASE-11438:
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bq.So you plan to undo HBASE-10883 fix?
Yes but not fully because the validation is still getting used in checking if
the visibility expression without quotes has valid characters as specified in
the VisibilityLabelsValidator.
If you see the description of HBASE-10883 it is mainly to disallow usage of
&,!,| type of characters so that users should not use them. So by removing that
check we are ensuring that user can use them now. But in authorizations there
are no expressions and only string literals.
> [Visibility Controller] Support UTF8 character as Visibility Labels
> -------------------------------------------------------------------
>
> Key: HBASE-11438
> URL: https://issues.apache.org/jira/browse/HBASE-11438
> Project: HBase
> Issue Type: Improvement
> Components: security
> Affects Versions: 0.98.4
> Reporter: ramkrishna.s.vasudevan
> Assignee: ramkrishna.s.vasudevan
> Fix For: 0.98.6
>
> Attachments: HBASE-11438_v1.patch, HBASE-11438_v2.patch,
> HBASE-11438_v3.patch, HBASE-11438_v4.patch, HBASE-11438_v5.patch,
> HBASE-11438_v6.patch, HBASE-11438_v7.patch
>
>
> This would be an action item that we would be addressing so that the
> visibility labels could have UTF8 characters in them. Also allow the user to
> use a client supplied API that allows to specify the visibility labels inside
> double quotes such that UTF8 characters and cases like &, |, ! and double
> quotes itself could be specified with proper escape sequence. Accumulo too
> provides one such API in the client side.
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