Geal opened a new issue #5720: authorize tenant level and namespace level access from the authorization provider URL: https://github.com/apache/pulsar/issues/5720 **Is your feature request related to a problem? Please describe.** I am currently writing an authentication provider and an authorization provider, and the authorization API only provides the `isSuperUser` method for admin level usage. There is no way to authorise a client depending on the affected tenant or namespace. In my use case, I want my clients to have their own tenant, and be able to give limited access to some namespaces to their developers. **Describe the solution you'd like** Adding new methods to `AuthorizationProvider`: - for tenant level access (different from superuser access: can't create, delete or update a tenant, but manage every namespace under the tenant): `CompletableFuture<Boolean> canManageNamespace(NamespaceName namespaceName, String role, NamespaceOperation operation, AuthenticationDataSource authenticationData)` - `NamespaceOperation` is an enum that can be any of the namespace management tasks, like `create`, `delete`, `grant-permissions`, etc. The default implementation could ignore it, but other providers could manage more granular access (like, I can affect subscriptions, but not quotas and affinity). I think some operations should still require superuser access, like `set-clusters`or `unload`? - the default implementation would check that either we're a super user, or the role is in the list returned by `tenant.getAdminRoles()` - maybe a separate function for `list`, since it would not take a namespace name as argument? - for namespace level access: `CompletableFuture<Boolean> canManageTopic(TopicName topic, String role, TopicOperation operation, AuthenticationDataSource authenticationData)` - same as tenant level access, `TopicOperation` is an enum listing all the possible operations - same as tenant level access, the default provider would ignore the operation argument, and check that either we're a super user, or the role is in the list returned by `tenant.getAdminRoles()` Add corresponding methods to `PulsarWebResource`. Right now it only has `validateSuperUserAccess` and `validateAdminAccessForTenant`. We must modify `validateAdminAccessForTenant` to add the operation, and add `validateAdminAccessForTopic` And the biggest part of the task: go through every usage of `validateSuperUserAccess` and `validateAdminAccessForTenant` and check if they can be replaced with finer grain access **Describe alternatives you've considered** I do not know any alternative way to get more granular admin access authorization
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