chia7712 commented on a change in pull request #10223:
URL: https://github.com/apache/kafka/pull/10223#discussion_r585322244
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File path: core/src/main/scala/kafka/server/KafkaApis.scala
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@@ -1884,20 +1884,26 @@ class KafkaApis(val requestChannel: RequestChannel,
val authorizedDeleteTopics =
authHelper.filterByAuthorized(request.context, DELETE, TOPIC,
results.asScala.filter(result => result.name() != null))(_.name)
results.forEach { topic =>
- val unresolvedTopicId = !(topic.topicId() == Uuid.ZERO_UUID) &&
topic.name() == null
- if (!config.usesTopicId &&
topicIdsFromRequest.contains(topic.topicId)) {
- topic.setErrorCode(Errors.UNSUPPORTED_VERSION.code)
- topic.setErrorMessage("Topic IDs are not supported on the server.")
- } else if (unresolvedTopicId)
- topic.setErrorCode(Errors.UNKNOWN_TOPIC_ID.code)
- else if (topicIdsFromRequest.contains(topic.topicId) &&
!authorizedDescribeTopics(topic.name))
- topic.setErrorCode(Errors.UNKNOWN_TOPIC_ID.code)
- else if (!authorizedDeleteTopics.contains(topic.name))
- topic.setErrorCode(Errors.TOPIC_AUTHORIZATION_FAILED.code)
- else if (!metadataCache.contains(topic.name))
- topic.setErrorCode(Errors.UNKNOWN_TOPIC_OR_PARTITION.code)
- else
- toDelete += topic.name
+ val unresolvedTopicId = topic.topicId() != Uuid.ZERO_UUID &&
topic.name() == null
+ if (!config.usesTopicId &&
topicIdsFromRequest.contains(topic.topicId)) {
+ topic.setErrorCode(Errors.UNSUPPORTED_VERSION.code)
+ topic.setErrorMessage("Topic IDs are not supported on the server.")
+ } else if (unresolvedTopicId) {
+ topic.setErrorCode(Errors.UNKNOWN_TOPIC_ID.code)
+ } else if (topicIdsFromRequest.contains(topic.topicId) &&
!authorizedDescribeTopics(topic.name)) {
+ // Because the client does not have Describe permission, the name
should
+ // not be returned in the response. Note, however, that we do not
consider
+ // the topicId itself to be sensitive, so there is no reason to
obscure
+ // this case with `UNKNOWN_TOPIC_ID`.
+ topic.setName(null)
+ topic.setErrorCode(Errors.TOPIC_AUTHORIZATION_FAILED.code)
+ } else if (!authorizedDeleteTopics.contains(topic.name)) {
Review comment:
according to
https://github.com/apache/kafka/pull/10184#discussion_r585086425, should it
handle the case `name provided, topic missing, describable =>
UNKNOWN_TOPIC_OR_PARTITION`?
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