[jira] [Updated] (SENTRY-2091) User-based Privilege is broken by SENTRY-769

["Na Li (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SENTRY-2091?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Na Li updated SENTRY-2091:
--------------------------
    Attachment: SENTRY-2091.006.patch

> User-based Privilege is broken by SENTRY-769
> --------------------------------------------
>
>                 Key: SENTRY-2091
>                 URL: https://issues.apache.org/jira/browse/SENTRY-2091
>             Project: Sentry
>          Issue Type: Bug
>          Components: Sentry
>    Affects Versions: 2.1.0
>            Reporter: Na Li
>            Assignee: Na Li
>            Priority: Major
>         Attachments: SENTRY-2091.001.patch, SENTRY-2091.002.patch, SENTRY-2091.003.patch, SENTRY-2091.004.patch, SENTRY-2091.004.patch, SENTRY-2091.006.patch
>
>
> SENTRY-769 throws exception when a user has no group. This breaks user-based privilege as the exception prevents getting privilege using user-based privilege.
> For example, in the following code
> {code}
> Set<String> userPrivileges =
>         authProvider.getPolicyEngine().getPrivileges(
>             authProvider.getGroupMapping().getGroups(userName), Sets.newHashSet(userName),
>             hiveAuthzBinding.getActiveRoleSet(), hiveAuthzBinding.getAuthServer());
> {code}
> when user has no group, the exception causes the processing stops even when user has privilege. 
> The solution is to catch the exception, and continue the processing. 
> {code}
> try {
> Set<String> groups = null;
> try {
>   groups = authProvider.getGroupMapping().getGroups(userName)
> } catch (SentryGroupNotFoundException ex) {
>   log.debug(...);
>   groups = new HashSet<String>();
> }
> Set<String> userPrivileges =
>         authProvider.getPolicyEngine().getPrivileges(
>             groups, Sets.newHashSet(userName),
>             hiveAuthzBinding.getActiveRoleSet(), hiveAuthzBinding.getAuthServer());
>         ...
> }
> {code}



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