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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation.
* ================================================================================
* Licensed 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.so.bpmn.infrastructure.adapter.vnfm.tasks;
import static org.onap.so.client.RestTemplateConfig.CONFIGURABLE_REST_TEMPLATE;
import java.io.IOException;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import javax.net.ssl.SSLContext;
import org.apache.http.client.HttpClient;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.ssl.SSLContextBuilder;
import org.onap.so.configuration.rest.BasicHttpHeadersProvider;
import org.onap.so.configuration.rest.HttpHeadersProvider;
import org.onap.so.rest.service.HttpRestServiceProvider;
import org.onap.so.rest.service.HttpRestServiceProviderImpl;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.Resource;
import org.springframework.http.client.BufferingClientHttpRequestFactory;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.web.client.RestTemplate;
/**
* Provides {@link org.onap.so.rest.service.VnfmAdapterServiceProvider} configuration for
* {@link VnfmAdapterCreateVnfTask}
*
* @author waqas.ikram@est.tech
*/
@Configuration
public class VnfmAdapterCreateVnfTaskConfiguration {
private static final Logger logger = LoggerFactory.getLogger(VnfmAdapterCreateVnfTaskConfiguration.class);
@Value("${rest.http.client.configuration.ssl.trustStore:#{null}}")
private Resource trustStore;
@Value("${rest.http.client.configuration.ssl.trustStorePassword:#{null}}")
private String trustStorePassword;
@Value("${rest.http.client.configuration.ssl.keyStore:#{null}}")
private Resource keyStoreResource;
@Value("${rest.http.client.configuration.ssl.keyStorePassword:#{null}}")
private String keyStorePassword;
@Bean
public HttpRestServiceProvider databaseHttpRestServiceProvider(
@Qualifier(CONFIGURABLE_REST_TEMPLATE) @Autowired final RestTemplate restTemplate,
@Autowired final VnfmBasicHttpConfigProvider etsiVnfmAdapter) {
if (trustStore != null) {
setTrustStore(restTemplate);
}
return getHttpRestServiceProvider(restTemplate, new BasicHttpHeadersProvider(etsiVnfmAdapter.getAuth()));
}
private void setTrustStore(final RestTemplate restTemplate) {
SSLContext sslContext;
try {
if (keyStoreResource != null) {
KeyStore keystore = KeyStore.getInstance("pkcs12");
keystore.load(keyStoreResource.getInputStream(), keyStorePassword.toCharArray());
sslContext =
new SSLContextBuilder().loadTrustMaterial(trustStore.getURL(), trustStorePassword.toCharArray())
.loadKeyMaterial(keystore, keyStorePassword.toCharArray()).build();
} else {
sslContext = new SSLContextBuilder()
.loadTrustMaterial(trustStore.getURL(), trustStorePassword.toCharArray()).build();
}
logger.info("Setting truststore: {}", trustStore.getURL());
final SSLConnectionSocketFactory socketFactory = new SSLConnectionSocketFactory(sslContext);
final HttpClient httpClient = HttpClients.custom().setSSLSocketFactory(socketFactory).build();
final HttpComponentsClientHttpRequestFactory factory =
new HttpComponentsClientHttpRequestFactory(httpClient);
restTemplate.setRequestFactory(new BufferingClientHttpRequestFactory(factory));
} catch (KeyManagementException | NoSuchAlgorithmException | KeyStoreException | CertificateException
| IOException | UnrecoverableKeyException exception) {
logger.error("Error reading truststore, TLS connection to VNFM will fail.", exception);
}
}
private HttpRestServiceProvider getHttpRestServiceProvider(final RestTemplate restTemplate,
final HttpHeadersProvider httpHeadersProvider) {
return new HttpRestServiceProviderImpl(restTemplate, httpHeadersProvider);
}
}
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