org.apache.pulsar.functions.api.examples.RawFileKeyReader Maven / Gradle / Ivy
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* to you 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
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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*/
package org.apache.pulsar.functions.api.examples;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Map;
import lombok.Data;
import org.apache.pulsar.client.api.CryptoKeyReader;
import org.apache.pulsar.client.api.EncryptionKeyInfo;
/**
* Example function that provide a constructor with map argument
* to initialize the CryptoKeyReader class used by pulsar function.
*/
@Data
public class RawFileKeyReader implements CryptoKeyReader {
private final String publicKeyFile;
private final String privateKeyFile;
public RawFileKeyReader(String pubKeyFile, String privKeyFile) {
publicKeyFile = pubKeyFile;
privateKeyFile = privKeyFile;
}
public RawFileKeyReader(Map conf) {
publicKeyFile = (String) conf.get("PUBLIC");
privateKeyFile = (String) conf.get("PRIVATE");
}
@Override
public EncryptionKeyInfo getPublicKey(String keyName, Map keyMeta) {
EncryptionKeyInfo keyInfo = new EncryptionKeyInfo();
try {
keyInfo.setKey(Files.readAllBytes(Paths.get(publicKeyFile)));
} catch (IOException e) {
System.out.println("ERROR: Failed to read public key from file " + publicKeyFile);
e.printStackTrace();
}
return keyInfo;
}
@Override
public EncryptionKeyInfo getPrivateKey(String keyName, Map keyMeta) {
EncryptionKeyInfo keyInfo = new EncryptionKeyInfo();
try {
keyInfo.setKey(Files.readAllBytes(Paths.get(privateKeyFile)));
} catch (IOException e) {
System.out.println("ERROR: Failed to read private key from file " + privateKeyFile);
e.printStackTrace();
}
return keyInfo;
}
}