adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/vnfm/VnfmServiceProviderConfiguration.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2019 Nordix Foundation.
   4  * ================================================================================
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  *
  17  * SPDX-License-Identifier: Apache-2.0
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.so.adapters.vnfmadapter.extclients.vnfm;
  22
  23 import static org.onap.so.client.RestTemplateConfig.CONFIGURABLE_REST_TEMPLATE;
  24 import java.io.IOException;
  25 import java.security.KeyManagementException;
  26 import java.security.KeyStore;
  27 import java.security.KeyStoreException;
  28 import java.security.NoSuchAlgorithmException;
  29 import java.security.UnrecoverableKeyException;
  30 import java.security.cert.CertificateException;
  31 import java.util.ListIterator;
  32 import java.util.Map;
  33 import java.util.UUID;
  34 import java.util.concurrent.ConcurrentHashMap;
  35 import javax.net.ssl.SSLContext;
  36 import org.apache.commons.lang3.StringUtils;
  37 import org.apache.http.client.HttpClient;
  38 import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
  39 import org.apache.http.impl.client.HttpClients;
  40 import org.apache.http.ssl.SSLContextBuilder;
  41 import org.onap.aai.domain.yang.EsrSystemInfo;
  42 import org.onap.aai.domain.yang.EsrVnfm;
  43 import org.onap.logging.filter.spring.SpringClientPayloadFilter;
  44 import org.onap.so.adapters.vnfmadapter.extclients.AbstractServiceProviderConfiguration;
  45 import org.onap.so.configuration.rest.BasicHttpHeadersProvider;
  46 import org.onap.so.logging.jaxrs.filter.SOSpringClientFilter;
  47 import org.onap.so.rest.service.HttpRestServiceProvider;
  48 import org.onap.so.rest.service.HttpRestServiceProviderImpl;
  49 import org.slf4j.Logger;
  50 import org.slf4j.LoggerFactory;
  51 import org.springframework.beans.factory.annotation.Autowired;
  52 import org.springframework.beans.factory.annotation.Qualifier;
  53 import org.springframework.beans.factory.annotation.Value;
  54 import org.springframework.context.annotation.Configuration;
  55 import org.springframework.core.io.Resource;
  56 import org.springframework.http.client.BufferingClientHttpRequestFactory;
  57 import org.springframework.http.client.ClientHttpRequestInterceptor;
  58 import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
  59 import org.springframework.security.oauth2.client.OAuth2RestTemplate;
  60 import org.springframework.security.oauth2.client.token.grant.client.ClientCredentialsResourceDetails;
  61 import org.springframework.web.client.RestTemplate;
  62
  63 /**
  64  * Configures the HttpRestServiceProvider for REST call to a VNFM.
  65  */
  66 @Configuration
  67 public class VnfmServiceProviderConfiguration extends AbstractServiceProviderConfiguration {
  68
  69     private static final Logger logger = LoggerFactory.getLogger(VnfmServiceProviderConfiguration.class);
  70     private Map<String, HttpRestServiceProvider> mapOfVnfmIdToHttpRestServiceProvider = new ConcurrentHashMap<>();
  71
  72     @Value("${http.client.ssl.trust-store:#{null}}")
  73     private Resource trustStore;
  74     @Value("${http.client.ssl.trust-store-password:#{null}}")
  75     private String trustStorePassword;
  76
  77     @Value("${server.ssl.key-store:#{null}}")
  78     private Resource keyStoreResource;
  79     @Value("${server.ssl.key--store-password:#{null}}")
  80     private String keyStorePassword;
  81
  82     /**
  83      * This property is only intended to be temporary until the AAI schema is updated to support setting the endpoint
  84      */
  85     @Value("${vnfmadapter.temp.vnfm.oauth.endpoint:#{null}}")
  86     private String oauthEndpoint;
  87
  88     @Qualifier(CONFIGURABLE_REST_TEMPLATE)
  89     @Autowired()
  90     private RestTemplate defaultRestTemplate;
  91
  92     public HttpRestServiceProvider getHttpRestServiceProvider(final EsrVnfm vnfm) {
  93         if (!mapOfVnfmIdToHttpRestServiceProvider.containsKey(vnfm.getVnfmId())) {
  94             mapOfVnfmIdToHttpRestServiceProvider.put(vnfm.getVnfmId(), createHttpRestServiceProvider(vnfm));
  95         }
  96         return mapOfVnfmIdToHttpRestServiceProvider.get(vnfm.getVnfmId());
  97     }
  98
  99     private HttpRestServiceProvider createHttpRestServiceProvider(final EsrVnfm vnfm) {
 100         final RestTemplate restTemplate = createRestTemplate(vnfm);
 101         setGsonMessageConverter(restTemplate);
 102         if (trustStore != null) {
 103             setTrustStore(restTemplate);
 104         }
 105         return new HttpRestServiceProviderImpl(restTemplate, new BasicHttpHeadersProvider());
 106     }
 107
 108     private RestTemplate createRestTemplate(final EsrVnfm vnfm) {
 109         if (vnfm != null) {
 110             for (final EsrSystemInfo esrSystemInfo : vnfm.getEsrSystemInfoList().getEsrSystemInfo()) {
 111                 if (!StringUtils.isEmpty(esrSystemInfo.getUserName())
 112                         && !StringUtils.isEmpty(esrSystemInfo.getPassword())) {
 113                     return createOAuth2RestTemplate(esrSystemInfo);
 114                 }
 115             }
 116         }
 117         return defaultRestTemplate;
 118     }
 119
 120     private OAuth2RestTemplate createOAuth2RestTemplate(final EsrSystemInfo esrSystemInfo) {
 121         logger.debug("Getting OAuth2RestTemplate ...");
 122         final ClientCredentialsResourceDetails resourceDetails = new ClientCredentialsResourceDetails();
 123         resourceDetails.setId(UUID.randomUUID().toString());
 124         resourceDetails.setClientId(esrSystemInfo.getUserName());
 125         resourceDetails.setClientSecret(esrSystemInfo.getPassword());
 126         resourceDetails.setAccessTokenUri(
 127                 oauthEndpoint == null ? esrSystemInfo.getServiceUrl().replace("vnflcm/v1", "oauth/token")
 128                         : oauthEndpoint);
 129         resourceDetails.setGrantType("client_credentials");
 130         return new OAuth2RestTemplate(resourceDetails);
 131     }
 132
 133     private void setTrustStore(final RestTemplate restTemplate) {
 134         SSLContext sslContext;
 135         try {
 136             if (keyStoreResource != null) {
 137                 KeyStore keystore = KeyStore.getInstance("pkcs12");
 138                 keystore.load(keyStoreResource.getInputStream(), keyStorePassword.toCharArray());
 139                 sslContext =
 140                         new SSLContextBuilder().loadTrustMaterial(trustStore.getURL(), trustStorePassword.toCharArray())
 141                                 .loadKeyMaterial(keystore, keyStorePassword.toCharArray()).build();
 142             } else {
 143                 sslContext = new SSLContextBuilder()
 144                         .loadTrustMaterial(trustStore.getURL(), trustStorePassword.toCharArray()).build();
 145             }
 146             logger.info("Setting truststore: {}", trustStore.getURL());
 147             final SSLConnectionSocketFactory socketFactory = new SSLConnectionSocketFactory(sslContext);
 148             final HttpClient httpClient = HttpClients.custom().setSSLSocketFactory(socketFactory).build();
 149             final HttpComponentsClientHttpRequestFactory factory =
 150                     new HttpComponentsClientHttpRequestFactory(httpClient);
 151             restTemplate.setRequestFactory(new BufferingClientHttpRequestFactory(factory));
 152         } catch (KeyManagementException | NoSuchAlgorithmException | KeyStoreException | CertificateException
 153                 | IOException | UnrecoverableKeyException exception) {
 154             logger.error("Error reading truststore, TLS connection to VNFM will fail.", exception);
 155         }
 156     }
 157
 158     private void removeSpringClientFilter(final RestTemplate restTemplate) {
 159         ListIterator<ClientHttpRequestInterceptor> interceptorIterator = restTemplate.getInterceptors().listIterator();
 160         while (interceptorIterator.hasNext()) {
 161             ClientHttpRequestInterceptor interceptor = interceptorIterator.next();
 162             if (interceptor instanceof SOSpringClientFilter || interceptor instanceof SpringClientPayloadFilter) {
 163                 interceptorIterator.remove();
 164             }
 165         }
 166     }
 167
 168 }