https://github.com/jcasbin/kafka-watcher

Kafka Watcher is a kafka watcher for jCasbin.
https://github.com/jcasbin/kafka-watcher

abac acl auth authorization authz casbin java jcasbin kafka rbac watcher

Last synced: 6 months ago
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Kafka Watcher is a kafka watcher for jCasbin.

• Host: GitHub
• URL: https://github.com/jcasbin/kafka-watcher
• Owner: jcasbin
• License: apache-2.0
• Created: 2021-06-10T11:58:13.000Z (almost 4 years ago)
• Default Branch: master
• Last Pushed: 2023-11-05T14:47:35.000Z (over 1 year ago)
• Last Synced: 2023-11-05T15:36:17.999Z (over 1 year ago)
• Topics: abac, acl, auth, authorization, authz, casbin, java, jcasbin, kafka, rbac, watcher
• Language: Java
• Homepage: https://github.com/casbin/jcasbin
• Size: 10.7 KB
• Stars: 1
• Watchers: 3
• Forks: 4
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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Kafka Watcher

---

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KafkaWatcher is a [Kafka](https://kafka.apache.org) watcher for [jCasbin](https://github.com/casbin/jcasbin).

## Installation

For Maven

``` xml

    org.casbin

    kafka-watcher

    1.1.0

```

## Simple Example

```java

public static void main(String[] args) {

    // Initialize the watcher.

    // Use the Kafka properties and topic name as parameter.

    Map producerProps = new HashMap<>();

    producerProps.put("bootstrap.servers", "127.0.0.1:9092");

    producerProps.put("acks", "all");

    producerProps.put("retries", 0);

    producerProps.put("batch.size", 16384);

    producerProps.put("linger.ms", 1);

    producerProps.put("buffer.memory", 33554432);

    producerProps.put("key.serializer", "org.apache.kafka.common.serialization.StringSerializer");

    producerProps.put("value.serializer", "org.apache.kafka.common.serialization.StringSerializer");

    Map consumerProps = new HashMap<>();

    consumerProps.put("bootstrap.servers", "127.0.0.1:9092");

    consumerProps.put("group.id", "my-consumer-group-01");

    consumerProps.put("enable.auto.commit", "true");

    consumerProps.put("auto.commit.interval.ms", "1000");

    consumerProps.put("key.deserializer", "org.apache.kafka.common.serialization.StringDeserializer");

    consumerProps.put("value.deserializer", "org.apache.kafka.common.serialization.StringDeserializer");

    

    String topic="jcasbin-topic";

    KafkaWatcher kafkaWatcher = new KafkaWatcher(producerProps,consumerProps, topic);

    // Initialize the enforcer.

    Enforcer enforcer = new Enforcer("examples/rbac_model.conf", "examples/rbac_policy.csv");

    // Set the watcher for the enforcer.

    enforcer.setWatcher(redisWatcher);

    // Set callback to local example

    Runnable updateCallback = ()->{

        //do something

    };

    kafkaWatcher.setUpdateCallback(updateCallback);

    // Update the policy to test the effect.

    enforcer.savePolicy();

}

```

## Getting Help

- [jCasbin](https://github.com/casbin/jCasbin)

- [kafka-client](https://github.com/apache/kafka)

## License

This project is under Apache 2.0 License. See the [LICENSE](LICENSE) file for the full license text.