-/*-
- * ============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.adapters.vnfmadapter.extclients.vnfm;
-
-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 java.util.Map;
-import java.util.UUID;
-import java.util.concurrent.ConcurrentHashMap;
-import javax.net.ssl.SSLContext;
-import org.apache.commons.lang3.StringUtils;
-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.aai.domain.yang.EsrSystemInfo;
-import org.onap.aai.domain.yang.EsrVnfm;
-import org.onap.so.adapters.vnfmadapter.extclients.AbstractServiceProviderConfiguration;
-import org.onap.so.configuration.rest.BasicHttpHeadersProvider;
-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.Configuration;
-import org.springframework.core.io.Resource;
-import org.springframework.http.client.BufferingClientHttpRequestFactory;
-import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
-import org.springframework.security.oauth2.client.OAuth2RestTemplate;
-import org.springframework.security.oauth2.client.token.grant.client.ClientCredentialsResourceDetails;
-import org.springframework.web.client.RestTemplate;
-
-/**
- * Configures the HttpRestServiceProvider for REST call to a VNFM.
- */
-@Configuration
-public class VnfmServiceProviderConfiguration extends AbstractServiceProviderConfiguration {
-
- private static final Logger logger = LoggerFactory.getLogger(VnfmServiceProviderConfiguration.class);
- private Map<String, HttpRestServiceProvider> mapOfVnfmIdToHttpRestServiceProvider = new ConcurrentHashMap<>();
-
- @Value("${http.client.ssl.trust-store:#{null}}")
- private Resource trustStore;
- @Value("${http.client.ssl.trust-store-password:#{null}}")
- private String trustStorePassword;
-
- @Value("${server.ssl.key-store:#{null}}")
- private Resource keyStoreResource;
- @Value("${server.ssl.key--store-password:#{null}}")
- private String keyStorePassword;
-
- /**
- * This property is only intended to be temporary until the AAI schema is updated to support setting the endpoint
- */
- @Value("${vnfmadapter.temp.vnfm.oauth.endpoint:#{null}}")
- private String oauthEndpoint;
-
- @Qualifier(CONFIGURABLE_REST_TEMPLATE)
- @Autowired()
- private RestTemplate defaultRestTemplate;
-
- public HttpRestServiceProvider getHttpRestServiceProvider(final EsrVnfm vnfm) {
- if (!mapOfVnfmIdToHttpRestServiceProvider.containsKey(vnfm.getVnfmId())) {
- mapOfVnfmIdToHttpRestServiceProvider.put(vnfm.getVnfmId(), createHttpRestServiceProvider(vnfm));
- }
- return mapOfVnfmIdToHttpRestServiceProvider.get(vnfm.getVnfmId());
- }
-
- private HttpRestServiceProvider createHttpRestServiceProvider(final EsrVnfm vnfm) {
- final RestTemplate restTemplate = createRestTemplate(vnfm);
- setGsonMessageConverter(restTemplate);
- if (trustStore != null) {
- setTrustStore(restTemplate);
- }
- return new HttpRestServiceProviderImpl(restTemplate, new BasicHttpHeadersProvider().getHttpHeaders());
- }
-
- private RestTemplate createRestTemplate(final EsrVnfm vnfm) {
- if (vnfm != null) {
- for (final EsrSystemInfo esrSystemInfo : vnfm.getEsrSystemInfoList().getEsrSystemInfo()) {
- if (!StringUtils.isEmpty(esrSystemInfo.getUserName())
- && !StringUtils.isEmpty(esrSystemInfo.getPassword())) {
- return createOAuth2RestTemplate(esrSystemInfo);
- }
- }
- }
- return defaultRestTemplate;
- }
-
- private OAuth2RestTemplate createOAuth2RestTemplate(final EsrSystemInfo esrSystemInfo) {
- logger.debug("Getting OAuth2RestTemplate ...");
- final ClientCredentialsResourceDetails resourceDetails = new ClientCredentialsResourceDetails();
- resourceDetails.setId(UUID.randomUUID().toString());
- resourceDetails.setClientId(esrSystemInfo.getUserName());
- resourceDetails.setClientSecret(esrSystemInfo.getPassword());
- resourceDetails.setAccessTokenUri(
- oauthEndpoint == null ? esrSystemInfo.getServiceUrl().replace("vnflcm/v1", "oauth/token")
- : oauthEndpoint);
- resourceDetails.setGrantType("client_credentials");
- return new OAuth2RestTemplate(resourceDetails);
- }
-
- 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);
- }
- }
-
-}