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From "Rajeshbabu Chintaguntla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-4528) PhoenixAccessController checks permissions only at table level when creating views
Date Mon, 09 Apr 2018 19:03:00 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-4528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16431067#comment-16431067
] 

Rajeshbabu Chintaguntla commented on PHOENIX-4528:
--------------------------------------------------

Uploaded WIP patch for 5.x branch. Might need changes in HBase for this to get user permissions
where existing shaded classes doesn't have method to get user permission.

> PhoenixAccessController checks permissions only at table level when creating views
> ----------------------------------------------------------------------------------
>
>                 Key: PHOENIX-4528
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4528
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: Karan Mehta
>            Assignee: Karan Mehta
>            Priority: Major
>             Fix For: 4.14.0
>
>         Attachments: PHOENIX-4528.001.patch, PHOENIX-4528.master.001.patch, PHOENIX-4528.repro-test.diff,
PHOENIX-4528_5.x-HBase-2.0.patch
>
>
> The {{PhoenixAccessController#preCreateTable()}} method is invoked everytime a user wants
to create a view on a base table. The {{requireAccess()}} method takes in tableName as the
parameter and checks for user permissions only at that table level. The correct approach is
to also check permissions at namespace level, since it is at a larger scope than per table
level.
> For example, if the table name is {{TEST_SCHEMA.TEST_TABLE}}, it will created as {{TEST_SCHEMA:TEST_TABLE}}
HBase table is namespace mapping is enabled. View creation on this table would fail if permissions
are granted to just {{TEST_SCHEMA}} and not on {{TEST_TABLE}}. It works correctly if same
permissions are granted at table level too.
> FYI. [~ankit.singhal] [~twdsilva@gmail.com]



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