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Execute different operations on Amazon KMS service
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file 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 "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 org.apache.camel.component.aws2.kms;
import org.apache.camel.Endpoint;
import org.apache.camel.Exchange;
import org.apache.camel.InvalidPayloadException;
import org.apache.camel.Message;
import org.apache.camel.support.DefaultProducer;
import org.apache.camel.util.ObjectHelper;
import org.apache.camel.util.URISupport;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import software.amazon.awssdk.awscore.exception.AwsServiceException;
import software.amazon.awssdk.services.kms.KmsClient;
import software.amazon.awssdk.services.kms.model.CreateKeyRequest;
import software.amazon.awssdk.services.kms.model.CreateKeyResponse;
import software.amazon.awssdk.services.kms.model.DescribeKeyRequest;
import software.amazon.awssdk.services.kms.model.DescribeKeyResponse;
import software.amazon.awssdk.services.kms.model.DisableKeyRequest;
import software.amazon.awssdk.services.kms.model.DisableKeyResponse;
import software.amazon.awssdk.services.kms.model.EnableKeyRequest;
import software.amazon.awssdk.services.kms.model.EnableKeyResponse;
import software.amazon.awssdk.services.kms.model.ListKeysRequest;
import software.amazon.awssdk.services.kms.model.ListKeysResponse;
import software.amazon.awssdk.services.kms.model.ScheduleKeyDeletionRequest;
import software.amazon.awssdk.services.kms.model.ScheduleKeyDeletionResponse;
/**
* A Producer which sends messages to the Amazon KMS Service AWS KMS
*/
public class KMS2Producer extends DefaultProducer {
private static final Logger LOG = LoggerFactory.getLogger(KMS2Producer.class);
public static final String MISSING_KEY_ID = "Key Id must be specified";
private transient String kmsProducerToString;
public KMS2Producer(Endpoint endpoint) {
super(endpoint);
}
@Override
public void process(Exchange exchange) throws Exception {
switch (determineOperation(exchange)) {
case listKeys:
listKeys(getEndpoint().getKmsClient(), exchange);
break;
case createKey:
createKey(getEndpoint().getKmsClient(), exchange);
break;
case disableKey:
disableKey(getEndpoint().getKmsClient(), exchange);
break;
case enableKey:
enableKey(getEndpoint().getKmsClient(), exchange);
break;
case scheduleKeyDeletion:
scheduleKeyDeletion(getEndpoint().getKmsClient(), exchange);
break;
case describeKey:
describeKey(getEndpoint().getKmsClient(), exchange);
break;
default:
throw new IllegalArgumentException("Unsupported operation");
}
}
private KMS2Operations determineOperation(Exchange exchange) {
KMS2Operations operation = exchange.getIn().getHeader(KMS2Constants.OPERATION, KMS2Operations.class);
if (operation == null) {
operation = getConfiguration().getOperation();
}
if (ObjectHelper.isEmpty(operation)) {
throw new IllegalArgumentException("Operation must be specified");
}
return operation;
}
protected KMS2Configuration getConfiguration() {
return getEndpoint().getConfiguration();
}
@Override
public String toString() {
if (kmsProducerToString == null) {
kmsProducerToString = "KMSProducer[" + URISupport.sanitizeUri(getEndpoint().getEndpointUri()) + "]";
}
return kmsProducerToString;
}
@Override
public KMS2Endpoint getEndpoint() {
return (KMS2Endpoint) super.getEndpoint();
}
private void listKeys(KmsClient kmsClient, Exchange exchange) throws InvalidPayloadException {
if (getConfiguration().isPojoRequest()) {
Object payload = exchange.getIn().getMandatoryBody();
if (payload instanceof ListKeysRequest) {
ListKeysResponse result;
try {
result = kmsClient.listKeys((ListKeysRequest) payload);
} catch (AwsServiceException ase) {
LOG.trace("List Keys command returned the error code {}", ase.awsErrorDetails().errorCode());
throw ase;
}
Message message = getMessageForResponse(exchange);
message.setBody(result);
}
} else {
ListKeysRequest.Builder builder = ListKeysRequest.builder();
if (ObjectHelper.isNotEmpty(exchange.getIn().getHeader(KMS2Constants.LIMIT))) {
int limit = exchange.getIn().getHeader(KMS2Constants.LIMIT, Integer.class);
builder.limit(limit);
}
ListKeysResponse result;
try {
result = kmsClient.listKeys(builder.build());
} catch (AwsServiceException ase) {
LOG.trace("List Keys command returned the error code {}", ase.awsErrorDetails().errorCode());
throw ase;
}
Message message = getMessageForResponse(exchange);
message.setBody(result);
}
}
private void createKey(KmsClient kmsClient, Exchange exchange) throws InvalidPayloadException {
if (getConfiguration().isPojoRequest()) {
Object payload = exchange.getIn().getMandatoryBody();
if (payload instanceof CreateKeyRequest) {
CreateKeyResponse result;
try {
result = kmsClient.createKey((CreateKeyRequest) payload);
} catch (AwsServiceException ase) {
LOG.trace("Create Key command returned the error code {}", ase.awsErrorDetails().errorCode());
throw ase;
}
Message message = getMessageForResponse(exchange);
message.setBody(result);
}
} else {
CreateKeyRequest.Builder builder = CreateKeyRequest.builder();
if (ObjectHelper.isNotEmpty(exchange.getIn().getHeader(KMS2Constants.DESCRIPTION))) {
String description = exchange.getIn().getHeader(KMS2Constants.DESCRIPTION, String.class);
builder.description(description);
}
CreateKeyResponse result;
try {
result = kmsClient.createKey(builder.build());
} catch (AwsServiceException ase) {
LOG.trace("Create Key command returned the error code {}", ase.awsErrorDetails().errorCode());
throw ase;
}
Message message = getMessageForResponse(exchange);
message.setBody(result);
}
}
private void disableKey(KmsClient kmsClient, Exchange exchange) throws InvalidPayloadException {
if (getConfiguration().isPojoRequest()) {
Object payload = exchange.getIn().getMandatoryBody();
if (payload instanceof DisableKeyRequest) {
DisableKeyResponse result;
try {
result = kmsClient.disableKey((DisableKeyRequest) payload);
} catch (AwsServiceException ase) {
LOG.trace("Disable Key command returned the error code {}", ase.awsErrorDetails().errorCode());
throw ase;
}
Message message = getMessageForResponse(exchange);
message.setBody(result);
}
} else {
DisableKeyRequest.Builder builder = DisableKeyRequest.builder();
if (ObjectHelper.isNotEmpty(exchange.getIn().getHeader(KMS2Constants.KEY_ID))) {
String keyId = exchange.getIn().getHeader(KMS2Constants.KEY_ID, String.class);
builder.keyId(keyId);
} else {
throw new IllegalArgumentException(MISSING_KEY_ID);
}
DisableKeyResponse result;
try {
result = kmsClient.disableKey(builder.build());
} catch (AwsServiceException ase) {
LOG.trace("Disable Key command returned the error code {}", ase.awsErrorDetails().errorCode());
throw ase;
}
Message message = getMessageForResponse(exchange);
message.setBody(result);
}
}
private void scheduleKeyDeletion(KmsClient kmsClient, Exchange exchange) throws InvalidPayloadException {
if (getConfiguration().isPojoRequest()) {
Object payload = exchange.getIn().getMandatoryBody();
if (payload instanceof ScheduleKeyDeletionRequest) {
ScheduleKeyDeletionResponse result;
try {
result = kmsClient.scheduleKeyDeletion((ScheduleKeyDeletionRequest) payload);
} catch (AwsServiceException ase) {
LOG.trace("Schedule Key Deletion command returned the error code {}", ase.awsErrorDetails().errorCode());
throw ase;
}
Message message = getMessageForResponse(exchange);
message.setBody(result);
}
} else {
ScheduleKeyDeletionRequest.Builder builder = ScheduleKeyDeletionRequest.builder();
if (ObjectHelper.isNotEmpty(exchange.getIn().getHeader(KMS2Constants.KEY_ID))) {
String keyId = exchange.getIn().getHeader(KMS2Constants.KEY_ID, String.class);
builder.keyId(keyId);
} else {
throw new IllegalArgumentException(MISSING_KEY_ID);
}
if (ObjectHelper.isNotEmpty(exchange.getIn().getHeader(KMS2Constants.PENDING_WINDOW_IN_DAYS))) {
int pendingWindows = exchange.getIn().getHeader(KMS2Constants.PENDING_WINDOW_IN_DAYS, Integer.class);
builder.pendingWindowInDays(pendingWindows);
}
ScheduleKeyDeletionResponse result;
try {
result = kmsClient.scheduleKeyDeletion(builder.build());
} catch (AwsServiceException ase) {
LOG.trace("Schedule Key Deletion command returned the error code {}", ase.awsErrorDetails().errorCode());
throw ase;
}
Message message = getMessageForResponse(exchange);
message.setBody(result);
}
}
private void describeKey(KmsClient kmsClient, Exchange exchange) throws InvalidPayloadException {
if (getConfiguration().isPojoRequest()) {
Object payload = exchange.getIn().getMandatoryBody();
if (payload instanceof DescribeKeyRequest) {
DescribeKeyResponse result;
try {
result = kmsClient.describeKey((DescribeKeyRequest) payload);
} catch (AwsServiceException ase) {
LOG.trace("Describe Key command returned the error code {}", ase.awsErrorDetails().errorCode());
throw ase;
}
Message message = getMessageForResponse(exchange);
message.setBody(result);
}
} else {
DescribeKeyRequest.Builder builder = DescribeKeyRequest.builder();
if (ObjectHelper.isNotEmpty(exchange.getIn().getHeader(KMS2Constants.KEY_ID))) {
String keyId = exchange.getIn().getHeader(KMS2Constants.KEY_ID, String.class);
builder.keyId(keyId);
} else {
throw new IllegalArgumentException(MISSING_KEY_ID);
}
DescribeKeyResponse result;
try {
result = kmsClient.describeKey(builder.build());
} catch (AwsServiceException ase) {
LOG.trace("Describe Key command returned the error code {}", ase.awsErrorDetails().errorCode());
throw ase;
}
Message message = getMessageForResponse(exchange);
message.setBody(result);
}
}
private void enableKey(KmsClient kmsClient, Exchange exchange) throws InvalidPayloadException {
if (getConfiguration().isPojoRequest()) {
Object payload = exchange.getIn().getMandatoryBody();
if (payload instanceof EnableKeyRequest) {
EnableKeyResponse result;
try {
result = kmsClient.enableKey((EnableKeyRequest) payload);
} catch (AwsServiceException ase) {
LOG.trace("Enable Key command returned the error code {}", ase.awsErrorDetails().errorCode());
throw ase;
}
Message message = getMessageForResponse(exchange);
message.setBody(result);
}
} else {
EnableKeyRequest.Builder builder = EnableKeyRequest.builder();
if (ObjectHelper.isNotEmpty(exchange.getIn().getHeader(KMS2Constants.KEY_ID))) {
String keyId = exchange.getIn().getHeader(KMS2Constants.KEY_ID, String.class);
builder.keyId(keyId);
} else {
throw new IllegalArgumentException(MISSING_KEY_ID);
}
EnableKeyResponse result;
try {
result = kmsClient.enableKey(builder.build());
} catch (AwsServiceException ase) {
LOG.trace("Enable Key command returned the error code {}", ase.awsErrorDetails().errorCode());
throw ase;
}
Message message = getMessageForResponse(exchange);
message.setBody(result);
}
}
public static Message getMessageForResponse(final Exchange exchange) {
return exchange.getMessage();
}
}