| /* |
| * 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.sts; |
| |
| 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.sts.StsClient; |
| import software.amazon.awssdk.services.sts.model.AssumeRoleRequest; |
| import software.amazon.awssdk.services.sts.model.AssumeRoleRequest.Builder; |
| import software.amazon.awssdk.services.sts.model.AssumeRoleResponse; |
| import software.amazon.awssdk.services.sts.model.GetSessionTokenRequest; |
| import software.amazon.awssdk.services.sts.model.GetSessionTokenResponse; |
| |
| /** |
| * A Producer which sends messages to the Amazon STS Service SDK v2 |
| * <a href="http://aws.amazon.com/sts/">AWS STS</a> |
| */ |
| public class STS2Producer extends DefaultProducer { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(STS2Producer.class); |
| |
| private transient String stsProducerToString; |
| |
| public STS2Producer(Endpoint endpoint) { |
| super(endpoint); |
| } |
| |
| @Override |
| public void process(Exchange exchange) throws Exception { |
| switch (determineOperation(exchange)) { |
| case assumeRole: |
| assumeRole(getEndpoint().getStsClient(), exchange); |
| break; |
| case getSessionToken: |
| getSessionToken(getEndpoint().getStsClient(), exchange); |
| break; |
| default: |
| throw new IllegalArgumentException("Unsupported operation"); |
| } |
| } |
| |
| private STS2Operations determineOperation(Exchange exchange) { |
| STS2Operations operation = exchange.getIn().getHeader(STS2Constants.OPERATION, STS2Operations.class); |
| if (operation == null) { |
| operation = getConfiguration().getOperation(); |
| } |
| return operation; |
| } |
| |
| protected STS2Configuration getConfiguration() { |
| return getEndpoint().getConfiguration(); |
| } |
| |
| @Override |
| public String toString() { |
| if (stsProducerToString == null) { |
| stsProducerToString = "STSProducer[" + URISupport.sanitizeUri(getEndpoint().getEndpointUri()) + "]"; |
| } |
| return stsProducerToString; |
| } |
| |
| @Override |
| public STS2Endpoint getEndpoint() { |
| return (STS2Endpoint)super.getEndpoint(); |
| } |
| |
| private void assumeRole(StsClient stsClient, Exchange exchange) throws InvalidPayloadException { |
| if (getConfiguration().isPojoRequest()) { |
| Object payload = exchange.getIn().getMandatoryBody(); |
| if (payload instanceof AssumeRoleRequest) { |
| AssumeRoleResponse result; |
| try { |
| AssumeRoleRequest request = (AssumeRoleRequest)payload; |
| result = stsClient.assumeRole(request); |
| } catch (AwsServiceException ase) { |
| LOG.trace("Assume Role command returned the error code {}", ase.awsErrorDetails().errorCode()); |
| throw ase; |
| } |
| Message message = getMessageForResponse(exchange); |
| message.setBody(result); |
| } |
| } else { |
| Builder builder = AssumeRoleRequest.builder(); |
| if (ObjectHelper.isNotEmpty(exchange.getIn().getHeader(STS2Constants.ROLE_ARN))) { |
| String roleArn = exchange.getIn().getHeader(STS2Constants.ROLE_ARN, String.class); |
| builder.roleArn(roleArn); |
| } else { |
| throw new IllegalArgumentException("Role ARN needs to be specified for assumeRole operation"); |
| } |
| if (ObjectHelper.isNotEmpty(exchange.getIn().getHeader(STS2Constants.ROLE_SESSION_NAME))) { |
| String roleSessionName = exchange.getIn().getHeader(STS2Constants.ROLE_SESSION_NAME, String.class); |
| builder.roleSessionName(roleSessionName); |
| } else { |
| throw new IllegalArgumentException("Role Session Name needs to be specified for assumeRole operation"); |
| } |
| AssumeRoleResponse result; |
| try { |
| result = stsClient.assumeRole(builder.build()); |
| } catch (AwsServiceException ase) { |
| LOG.trace("Assume Role command returned the error code {}", ase.awsErrorDetails().errorCode()); |
| throw ase; |
| } |
| Message message = getMessageForResponse(exchange); |
| message.setBody(result); |
| } |
| } |
| |
| private void getSessionToken(StsClient stsClient, Exchange exchange) throws InvalidPayloadException { |
| if (getConfiguration().isPojoRequest()) { |
| Object payload = exchange.getIn().getMandatoryBody(); |
| if (payload instanceof GetSessionTokenRequest) { |
| GetSessionTokenResponse result; |
| try { |
| GetSessionTokenRequest request = (GetSessionTokenRequest)payload; |
| result = stsClient.getSessionToken(request); |
| } catch (AwsServiceException ase) { |
| LOG.trace("Get Session Token command returned the error code {}", ase.awsErrorDetails().errorCode()); |
| throw ase; |
| } |
| Message message = getMessageForResponse(exchange); |
| message.setBody(result); |
| } |
| } else { |
| GetSessionTokenRequest.Builder builder = GetSessionTokenRequest.builder(); |
| GetSessionTokenResponse result; |
| try { |
| result = stsClient.getSessionToken(builder.build()); |
| } catch (AwsServiceException ase) { |
| LOG.trace("Get Session Token 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(); |
| } |
| } |