| /* |
| * 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.aws.kms; |
| |
| import com.amazonaws.AmazonServiceException; |
| import com.amazonaws.services.kms.AWSKMS; |
| import com.amazonaws.services.kms.model.CreateKeyRequest; |
| import com.amazonaws.services.kms.model.CreateKeyResult; |
| import com.amazonaws.services.kms.model.DescribeKeyRequest; |
| import com.amazonaws.services.kms.model.DescribeKeyResult; |
| import com.amazonaws.services.kms.model.DisableKeyRequest; |
| import com.amazonaws.services.kms.model.DisableKeyResult; |
| import com.amazonaws.services.kms.model.EnableKeyRequest; |
| import com.amazonaws.services.kms.model.EnableKeyResult; |
| import com.amazonaws.services.kms.model.ListKeysRequest; |
| import com.amazonaws.services.kms.model.ListKeysResult; |
| import com.amazonaws.services.kms.model.ScheduleKeyDeletionRequest; |
| import com.amazonaws.services.kms.model.ScheduleKeyDeletionResult; |
| |
| import org.apache.camel.Endpoint; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Message; |
| import org.apache.camel.support.DefaultProducer; |
| import org.apache.camel.util.ObjectHelper; |
| import org.apache.camel.util.URISupport; |
| |
| /** |
| * A Producer which sends messages to the Amazon KMS Service |
| * <a href="http://aws.amazon.com/kms/">AWS KMS</a> |
| */ |
| public class KMSProducer extends DefaultProducer { |
| |
| private transient String kmsProducerToString; |
| |
| public KMSProducer(Endpoint endpoint) { |
| super(endpoint); |
| } |
| |
| 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 KMSOperations determineOperation(Exchange exchange) { |
| KMSOperations operation = exchange.getIn().getHeader(KMSConstants.OPERATION, KMSOperations.class); |
| if (operation == null) { |
| operation = getConfiguration().getOperation(); |
| } |
| |
| if (ObjectHelper.isEmpty(operation)) { |
| throw new IllegalArgumentException("Operation must be specified"); |
| } |
| return operation; |
| } |
| |
| protected KMSConfiguration getConfiguration() { |
| return getEndpoint().getConfiguration(); |
| } |
| |
| @Override |
| public String toString() { |
| if (kmsProducerToString == null) { |
| kmsProducerToString = "KMSProducer[" + URISupport.sanitizeUri(getEndpoint().getEndpointUri()) + "]"; |
| } |
| return kmsProducerToString; |
| } |
| |
| @Override |
| public KMSEndpoint getEndpoint() { |
| return (KMSEndpoint)super.getEndpoint(); |
| } |
| |
| private void listKeys(AWSKMS kmsClient, Exchange exchange) { |
| ListKeysRequest request = new ListKeysRequest(); |
| if (ObjectHelper.isNotEmpty(exchange.getIn().getHeader(KMSConstants.LIMIT))) { |
| int limit = exchange.getIn().getHeader(KMSConstants.LIMIT, Integer.class); |
| request.withLimit(limit); |
| } |
| ListKeysResult result; |
| try { |
| result = kmsClient.listKeys(request); |
| } catch (AmazonServiceException ase) { |
| log.trace("List Keys command returned the error code {}", ase.getErrorCode()); |
| throw ase; |
| } |
| Message message = getMessageForResponse(exchange); |
| message.setBody(result); |
| } |
| |
| private void createKey(AWSKMS kmsClient, Exchange exchange) { |
| CreateKeyRequest request = new CreateKeyRequest(); |
| if (ObjectHelper.isNotEmpty(exchange.getIn().getHeader(KMSConstants.DESCRIPTION))) { |
| String description = exchange.getIn().getHeader(KMSConstants.DESCRIPTION, String.class); |
| request.withDescription(description); |
| } |
| CreateKeyResult result; |
| try { |
| result = kmsClient.createKey(request); |
| } catch (AmazonServiceException ase) { |
| log.trace("Create Key command returned the error code {}", ase.getErrorCode()); |
| throw ase; |
| } |
| Message message = getMessageForResponse(exchange); |
| message.setBody(result); |
| } |
| |
| private void disableKey(AWSKMS kmsClient, Exchange exchange) { |
| DisableKeyRequest request = new DisableKeyRequest(); |
| if (ObjectHelper.isNotEmpty(exchange.getIn().getHeader(KMSConstants.KEY_ID))) { |
| String keyId = exchange.getIn().getHeader(KMSConstants.KEY_ID, String.class); |
| request.withKeyId(keyId); |
| } else { |
| throw new IllegalArgumentException("Key Id must be specified"); |
| } |
| DisableKeyResult result; |
| try { |
| result = kmsClient.disableKey(request); |
| } catch (AmazonServiceException ase) { |
| log.trace("Disable Key command returned the error code {}", ase.getErrorCode()); |
| throw ase; |
| } |
| Message message = getMessageForResponse(exchange); |
| message.setBody(result); |
| } |
| |
| private void scheduleKeyDeletion(AWSKMS kmsClient, Exchange exchange) { |
| ScheduleKeyDeletionRequest request = new ScheduleKeyDeletionRequest(); |
| if (ObjectHelper.isNotEmpty(exchange.getIn().getHeader(KMSConstants.KEY_ID))) { |
| String keyId = exchange.getIn().getHeader(KMSConstants.KEY_ID, String.class); |
| request.withKeyId(keyId); |
| } else { |
| throw new IllegalArgumentException("Key Id must be specified"); |
| } |
| if (ObjectHelper.isNotEmpty(exchange.getIn().getHeader(KMSConstants.PENDING_WINDOW_IN_DAYS))) { |
| int pendingWindows = exchange.getIn().getHeader(KMSConstants.PENDING_WINDOW_IN_DAYS, Integer.class); |
| request.withPendingWindowInDays(pendingWindows); |
| } |
| ScheduleKeyDeletionResult result; |
| try { |
| result = kmsClient.scheduleKeyDeletion(request); |
| } catch (AmazonServiceException ase) { |
| log.trace("Schedule Key Deletion command returned the error code {}", ase.getErrorCode()); |
| throw ase; |
| } |
| Message message = getMessageForResponse(exchange); |
| message.setBody(result); |
| } |
| |
| private void describeKey(AWSKMS kmsClient, Exchange exchange) { |
| DescribeKeyRequest request = new DescribeKeyRequest(); |
| if (ObjectHelper.isNotEmpty(exchange.getIn().getHeader(KMSConstants.KEY_ID))) { |
| String keyId = exchange.getIn().getHeader(KMSConstants.KEY_ID, String.class); |
| request.withKeyId(keyId); |
| } else { |
| throw new IllegalArgumentException("Key Id must be specified"); |
| } |
| DescribeKeyResult result; |
| try { |
| result = kmsClient.describeKey(request); |
| } catch (AmazonServiceException ase) { |
| log.trace("Describe Key command returned the error code {}", ase.getErrorCode()); |
| throw ase; |
| } |
| Message message = getMessageForResponse(exchange); |
| message.setBody(result); |
| } |
| |
| private void enableKey(AWSKMS kmsClient, Exchange exchange) { |
| EnableKeyRequest request = new EnableKeyRequest(); |
| if (ObjectHelper.isNotEmpty(exchange.getIn().getHeader(KMSConstants.KEY_ID))) { |
| String keyId = exchange.getIn().getHeader(KMSConstants.KEY_ID, String.class); |
| request.withKeyId(keyId); |
| } else { |
| throw new IllegalArgumentException("Key Id must be specified"); |
| } |
| EnableKeyResult result; |
| try { |
| result = kmsClient.enableKey(request); |
| } catch (AmazonServiceException ase) { |
| log.trace("Enable Key command returned the error code {}", ase.getErrorCode()); |
| throw ase; |
| } |
| Message message = getMessageForResponse(exchange); |
| message.setBody(result); |
| } |
| |
| public static Message getMessageForResponse(final Exchange exchange) { |
| if (exchange.getPattern().isOutCapable()) { |
| Message out = exchange.getOut(); |
| out.copyFrom(exchange.getIn()); |
| return out; |
| } |
| return exchange.getIn(); |
| } |
| } |