[jira] [Commented] (KAFKA-15452) Custom KafkaPrincipalBuilder Cannot Access SslPrincipalMapper

["Raghu Baddam (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-15452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17764839#comment-17764839 ] 

Raghu Baddam commented on KAFKA-15452:
--------------------------------------

[~hachikuji] /[~mimaison] /[~mjsax]: Do you mind validating this bug and assign it to me ?

Tagging Active Contributors for visibility: [~divijvaidya] , [~satish.duggana], [~calvinliu] 

Thanks in advance.

> Custom KafkaPrincipalBuilder Cannot Access SslPrincipalMapper
> -------------------------------------------------------------
>
>                 Key: KAFKA-15452
>                 URL: https://issues.apache.org/jira/browse/KAFKA-15452
>             Project: Kafka
>          Issue Type: Bug
>    Affects Versions: 2.8.1
>            Reporter: Raghu Baddam
>            Priority: Minor
>              Labels: kafka, walmart
>
> When implementing a custom KafkaPrincipalBuilder, it is not possible to access *SslPrincipalMapper* and {*}kerberosShortNamer{*}. This limits the ability to parse Regex Rules from BrokerSecurityConfigs.SSL_PRINCIPAL_MAPPING_RULES_CONFIG, resulting in lack of support for Mapping Rules as SslPrincipalMapper is null.
> A possible workaround is to read the configuration and build another SslPrincipalMapper. However, it would be beneficial if this issue could be addressed at the ChannelBuilders or SslChannelBuilder level.
> Git Reference: [https://github.com/apache/kafka/blob/trunk/clients/src/main/java/org/apache/kafka/common/network/ChannelBuilders.java#L223-L242]
> If the community deems this to be a bug, I am willing to provide a fix.



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