[jira] [Created] (KAFKA-5847) Plugin option to filter consumer and producer messages on the broker

["Brian Hawkins (JIRA)" <ji...@apache.org>]

Brian Hawkins created KAFKA-5847:
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             Summary: Plugin option to filter consumer and producer messages on the broker
                 Key: KAFKA-5847
                 URL: https://issues.apache.org/jira/browse/KAFKA-5847
             Project: Kafka
          Issue Type: Wish
          Components: core
    Affects Versions: 0.10.2.1
            Reporter: Brian Hawkins


The idea is that I could specify a plugin that would receive a message, after authorization but before it is written to the log.  The plugin could then modify or reject the message before passing it on.  A good place for this would be in KafkaApis.scala in handleProducerRequest.

Similarly a message could be modified before it is sent to the consumer.

I have two use cases in mind: 
1. deal with large messages, the interceptor/filter would write the message to a large storage server (think s3).
2. encrypt data before being written to the log.

I'm planning on doing this work, just curious if others are interested so I can make a pull request of it.



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