be.atbash.ee.security.octopus.keys.json.AtbashKeyWriter Maven / Gradle / Ivy
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/*
* Copyright 2017-2022 Rudy De Busscher (https://www.atbash.be)
*
* 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.
*/
package be.atbash.ee.security.octopus.keys.json;
import be.atbash.ee.security.octopus.keys.AtbashKey;
import be.atbash.ee.security.octopus.keys.writer.KeyEncoderParameters;
import be.atbash.ee.security.octopus.keys.writer.KeyWriterFactory;
import be.atbash.ee.security.octopus.nimbus.jose.HeaderParameterNames;
import javax.json.bind.serializer.JsonbSerializer;
import javax.json.bind.serializer.SerializationContext;
import javax.json.stream.JsonGenerator;
import java.util.Base64;
public class AtbashKeyWriter implements JsonbSerializer {
private final KeyWriterFactory keyWriterFactory;
public AtbashKeyWriter() {
keyWriterFactory = new KeyWriterFactory();
keyWriterFactory.init();
}
@Override
public void serialize(AtbashKey atbashKey, JsonGenerator jsonGenerator, SerializationContext serializationContext) {
KeyEncoderParameters parameters = new KeyEncoderParameters();
byte[] bytes = keyWriterFactory.writeKeyAsJWK(atbashKey, parameters);
jsonGenerator.writeStartObject()
.writeKey(HeaderParameterNames.KEY_ID).write(atbashKey.getKeyId())
.writeKey("key").write(Base64.getUrlEncoder().withoutPadding().encodeToString(bytes))
.writeEnd();
}
}