[jira] [Updated] (SENTRY-551) Extend the ProviderBackend interface method getRoles when Solr/Sentry integation with DB Provider

["Sravya Tirukkovalur (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SENTRY-551?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sravya Tirukkovalur updated SENTRY-551:
---------------------------------------
    Issue Type: Improvement  (was: Bug)

> Extend the ProviderBackend interface method getRoles when Solr/Sentry integation with DB Provider
> -------------------------------------------------------------------------------------------------
>
>                 Key: SENTRY-551
>                 URL: https://issues.apache.org/jira/browse/SENTRY-551
>             Project: Sentry
>          Issue Type: Improvement
>            Reporter: guoquan
>            Assignee: guoquan
>         Attachments: SENTRY-551.001.patch
>
>
> In document-level security, the class QueryDocAuthorizationComponent is used to get roles the request user belong to and 
> adds a FilterQuery with the roles to restrict certain documents.Right now the procedure of QueryDocAuthorizationComponent used to get roles the request user belong to as following:
> {code}Roles= QueryDocAuthorizationComponent.getRoles(requestUser) ->ProviderBackend.getRoles(GroupMappingService.getGroups(requestUser)){code}
> The interface ProviderBackend as following:
> {code}public interface ProviderBackend {
> public ImmutableSet<String> getRoles(Set<String> groups, ActiveRoleSet roleSet);
> ...
> }{code}
> The interface must be extended as following:
>  {code}public interface ProviderBackend {
> public ImmutableSet<String> getRoles(String requestor, Set<String> groups, ActiveRoleSet roleSet);
> ...
> }{code}
> That's the reason:
> ProviderBackend.getRoles(groups)
> The roles which the group belong to has been gotten through the providerBackend. Currently the Solr only uses a simple policy file as the backend, the format policy is as following:
> [groups]
> ops_group = ops_role
> [roles]
> ops_role = ...
> This policy is parsed through the class SimpleFileProviderBackend, it implements the interface ProviderBackend. This class is used to determine the relationship between the roles and groups. You can see that when user call SimpleFileProviderBackend.getRole(ops_group), it returns ops_role.
> However, when security search integration with DB store, the relationship between group and roles will be stored in the Database and must through the Sentry Service. There is a SimpleDBProviderBackend implemented the interface ProviderBackend can communication with Sentry Service
> to get roles information. The Sentry Service exposes the thrift API like this: getRoles(requestUser, groups). Why the Sentry Service exposed API has a extra parameter requestUser, it is a protection mechanism. If the requestUser dosen’t belong to the asked groups, it has no access get the roles information the groups belong to. 



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