/*- * #%L * Kafka Encryption * %% * Copyright (C) 2018 Quicksign * %% * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * #L% */ package io.quicksign.kafka.crypto.samples.keyrepo; import java.util.Properties; import org.apache.kafka.clients.producer.KafkaProducer; import org.apache.kafka.clients.producer.ProducerConfig; import org.apache.kafka.clients.producer.ProducerRecord; import org.apache.kafka.common.serialization.LongSerializer; import org.apache.kafka.common.serialization.StringSerializer; import io.quicksign.kafka.crypto.Encryptor; import io.quicksign.kafka.crypto.encryption.CryptoAlgorithm; import io.quicksign.kafka.crypto.encryption.DefaultEncryptor; import io.quicksign.kafka.crypto.encryption.KeyProvider; import io.quicksign.kafka.crypto.pairing.keyextractor.KeyReferenceExtractor; import io.quicksign.kafka.crypto.pairing.serializer.CryptoSerializerPairFactory; import io.quicksign.kafka.crypto.pairing.serializer.SerializerPair; public class SampleProducer implements Runnable { private final KeyProvider keyProvider; private final KeyReferenceExtractor keyReferenceExtractor; private final CryptoAlgorithm cryptoAlgorithm; public SampleProducer(KeyProvider keyProvider, KeyReferenceExtractor keyReferenceExtractor, CryptoAlgorithm cryptoAlgorithm) { this.keyProvider = keyProvider; this.keyReferenceExtractor = keyReferenceExtractor; this.cryptoAlgorithm = cryptoAlgorithm; } @Override public void run() { // tag::produce[] Encryptor encryptor = new DefaultEncryptor(keyProvider, cryptoAlgorithm); // Wrap base LongSerializer and StringSerializer with encrypted wrappers CryptoSerializerPairFactory cryptoSerializerPairFactory = new CryptoSerializerPairFactory(encryptor, keyReferenceExtractor); SerializerPair<Long, String> serializerPair = cryptoSerializerPairFactory.build(new LongSerializer(), new StringSerializer()); Properties producerProperties = new Properties(); producerProperties.setProperty(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, "localhost:9092"); try (KafkaProducer<Long, String> producer = new KafkaProducer<>(producerProperties, serializerPair.getKeySerializer(), serializerPair.getValueSerializer())) { for (long i = 0L; i < Long.MAX_VALUE; i++) { producer.send(new ProducerRecord<>("sampletopic", i, "test number " + i)); try { Thread.sleep(1000L); } catch (InterruptedException e) { return; } } } // end::produce[] } }