lianetm commented on code in PR #18989: URL: https://github.com/apache/kafka/pull/18989#discussion_r1969791054
########## core/src/main/scala/kafka/server/KafkaApis.scala: ########## @@ -2592,6 +2606,32 @@ class KafkaApis(val requestChannel: RequestChannel, response.groups.addAll(results) } + // Clients are not allowed to see topics that are not authorized for Describe. + val topicsToCheck = new mutable.HashSet[String] + response.groups.forEach(_.members.forEach { member => + List(member.assignment, member.targetAssignment).foreach { assignment => + assignment.topicPartitions.asScala.foreach { tp => + topicsToCheck += tp.topicName + } + } + }) + val authorizedTopics = authHelper.filterByAuthorized(request.context, DESCRIBE, TOPIC, + topicsToCheck)(identity) + val updatedGroups = response.groups.asScala.map { group => + if (group.members.asScala.exists(member => + List(member.assignment, member.targetAssignment).exists(assignment => + assignment.topicPartitions.asScala.exists(tp => !authorizedTopics.contains(tp.topicName))))) { + new ConsumerGroupDescribeResponseData.DescribedGroup() + .setGroupId(group.groupId) + .setErrorCode(Errors.TOPIC_AUTHORIZATION_FAILED.code) + .setErrorMessage("The group has described topic(s) that the client is not authorized to describe.") Review Comment: this one I find it valuable, not the same case as my other comment. In this case we don't have topics in the request, so getting a topic_auth in response may not be clear enough, and this generic msg may be helpful. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org