/*
* ****************************************************************************
* Cloud Foundry
* Copyright (c) [2009-2016] Pivotal Software, Inc. All Rights Reserved.
*
* This product is licensed to you under the Apache License, Version 2.0 (the "License").
* You may not use this product except in compliance with the License.
*
* This product includes a number of subcomponents with
* separate copyright notices and license terms. Your use of these
* subcomponents is subject to the terms and conditions of the
* subcomponent's license, as noted in the LICENSE file.
* ****************************************************************************
*/
package org.cloudfoundry.identity.uaa.oauth.jwk;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonNode;
import org.cloudfoundry.identity.uaa.util.JsonUtils;
import java.io.IOException;
import java.util.Arrays;
/**
* See https://tools.ietf.org/html/rfc7517
*/
public class JsonWebKeyDeserializer extends JsonDeserializer<JsonWebKey> {
@Override
public JsonWebKey deserialize(JsonParser p, DeserializationContext ctxt) throws IOException, JsonProcessingException {
JsonNode node = JsonUtils.readTree(p);
String kty = node.get("kty").asText("Unknown");
if(Arrays.stream(JsonWebKey.KeyType.values()).noneMatch(knownKeyType -> knownKeyType.name().equals(kty))) {
return null;
}
return new JsonWebKey(JsonUtils.getNodeAsMap(node));
}
}