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https://issues.apache.org/jira/browse/TINKERPOP-2389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17254129#comment-17254129
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ASF GitHub Bot commented on TINKERPOP-2389:
-------------------------------------------
vtslab commented on pull request #1308:
URL: https://github.com/apache/tinkerpop/pull/1308#issuecomment-750362394
VOTE +1 Found one last inconsistency in the new docs section. In the mean
time a minor merge conflict has appeared that I chose not to solve any more,
given your planning for tomorrow.
I assume that you realize that the adapted ref docs section on Traversal
Strategies still mentions their behaviour neutrally as "inconsistent" upon
multiple application (and the AllowListAuthorizer has "touchesXyz" filters to
mitigate this behaviour). We created a JIRA ticket to resolve that separately
and that does not preclude merging the present PR.
Thanks for all support from you and @QwentB in bringing this feature to
fruition.
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> Authorization support in TinkerPop
> ----------------------------------
>
> Key: TINKERPOP-2389
> URL: https://issues.apache.org/jira/browse/TINKERPOP-2389
> Project: TinkerPop
> Issue Type: Improvement
> Components: server
> Affects Versions: 3.4.7
> Reporter: Shekhar Bansal
> Priority: Major
> Attachments: Screenshot 2020-06-25 at 15.15.04.png
>
>
> Use case:
> # Tinkerpop supports multiple graphs using a single API and admin might want
> to restrict access to some of the graphs.
> # Admin might want to restrict read/write access to certain users.
>
> Proposal
> Add read/write access restrictions at graph level. We can extend it to
> executing scripts by adding execute privileges.
>
> Changes required
> Add `authorizer` block similar to `authentication` block in yaml file
>
> {code:java}
> authorization: {
> authorizer:
> org.apache.tinkerpop.gremlin.server.authorization.AllowAllAuthorizer,
> authorizationHandler:
> org.apache.tinkerpop.gremlin.server.handler.SaslAuthorizationHandler,
> config: {
> }
> }{code}
>
> Authorization will be done only if authentication is enabled. Authentication
> is done at per session basis while authorization will be done for each and
> every request.
> In `SaslAuthorizationHandler` or `HttpAuthorizationHandler` query will be
> parsed and depending on the step instructions, the query will be marked as of
> type read or write and then privilege evaluation will be done by calling
> `isAccessAllowed` method of `Authorizer`
> {code:java}
> public interface Authorizer {
> /**
> * Whether or not the authorization requires check.
> * If false will not authorzie user.
> */
> public boolean requireAuthorization();
> /**
> * Setup is called once upon system startup to initialize the {@code
> Authorizer}.
> */
> public void setup(final Map<String, Object> config);
> /**
> * A "standard" authorization implementation
> */
> public boolean isAccessAllowed(AuthorizationRequest authorizationRequest)
> throws AuthorizationException;
> }
> {code}
> Access policies can be defined in tools like `Apache Ranger`, sample policy:
> !Screenshot 2020-06-25 at 15.15.04.png|width=1017,height=548!
>
>
>
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