components/camel-aws2-sts/src/main/java/org/apache/camel/component/aws2/sts/STS2ComponentVerifierExtension.java

/*
 * 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 java.util.Map;

import org.apache.camel.component.extension.verifier.DefaultComponentVerifierExtension;
import org.apache.camel.component.extension.verifier.ResultBuilder;
import org.apache.camel.component.extension.verifier.ResultErrorBuilder;
import org.apache.camel.component.extension.verifier.ResultErrorHelper;
import software.amazon.awssdk.auth.credentials.AwsBasicCredentials;
import software.amazon.awssdk.auth.credentials.StaticCredentialsProvider;
import software.amazon.awssdk.core.exception.SdkClientException;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sts.StsClient;
import software.amazon.awssdk.services.sts.StsClientBuilder;

public class STS2ComponentVerifierExtension extends DefaultComponentVerifierExtension {

	public STS2ComponentVerifierExtension() {
		this("aws2-sts");
	}

	public STS2ComponentVerifierExtension(String scheme) {
		super(scheme);
	}

	// *********************************
	// Parameters validation
	// *********************************

	@Override
	protected Result verifyParameters(Map<String, Object> parameters) {

		ResultBuilder builder = ResultBuilder.withStatusAndScope(Result.Status.OK, Scope.PARAMETERS)
				.error(ResultErrorHelper.requiresOption("accessKey", parameters))
				.error(ResultErrorHelper.requiresOption("secretKey", parameters))
				.error(ResultErrorHelper.requiresOption("region", parameters));

		// Validate using the catalog

		super.verifyParametersAgainstCatalog(builder, parameters);

		return builder.build();
	}

	// *********************************
	// Connectivity validation
	// *********************************

	@Override
	protected Result verifyConnectivity(Map<String, Object> parameters) {
		ResultBuilder builder = ResultBuilder.withStatusAndScope(Result.Status.OK, Scope.CONNECTIVITY);

		try {
			STS2Configuration configuration = setProperties(new STS2Configuration(), parameters);
			if (!StsClient.serviceMetadata().regions().contains(Region.of(configuration.getRegion()))) {
				ResultErrorBuilder errorBuilder = ResultErrorBuilder.withCodeAndDescription(
						VerificationError.StandardCode.ILLEGAL_PARAMETER,
						"The service is not supported in this region");
				return builder.error(errorBuilder.build()).build();
			}
			AwsBasicCredentials cred = AwsBasicCredentials.create(configuration.getAccessKey(),
					configuration.getSecretKey());
			StsClientBuilder clientBuilder = StsClient.builder();
			StsClient client = clientBuilder.credentialsProvider(StaticCredentialsProvider.create(cred))
					.region(Region.of(configuration.getRegion())).build();
			client.serviceName();
		} catch (SdkClientException e) {
			ResultErrorBuilder errorBuilder = ResultErrorBuilder
					.withCodeAndDescription(VerificationError.StandardCode.AUTHENTICATION, e.getMessage())
					.detail("aws_sts_exception_message", e.getMessage())
					.detail(VerificationError.ExceptionAttribute.EXCEPTION_CLASS, e.getClass().getName())
					.detail(VerificationError.ExceptionAttribute.EXCEPTION_INSTANCE, e);

			builder.error(errorBuilder.build());
		} catch (Exception e) {
			builder.error(ResultErrorBuilder.withException(e).build());
		}
		return builder.build();
	}
}