adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogServiceProviderConfiguration.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.etsicatalog;
  22
  23 import java.io.IOException;
  24 import java.security.KeyManagementException;
  25 import java.security.KeyStoreException;
  26 import java.security.NoSuchAlgorithmException;
  27 import java.security.cert.CertificateException;
  28 import java.util.concurrent.TimeUnit;
  29 import javax.net.ssl.HostnameVerifier;
  30 import javax.net.ssl.SSLContext;
  31 import javax.net.ssl.SSLSession;
  32 import org.apache.http.client.config.RequestConfig;
  33 import org.apache.http.config.Registry;
  34 import org.apache.http.config.RegistryBuilder;
  35 import org.apache.http.conn.socket.ConnectionSocketFactory;
  36 import org.apache.http.conn.socket.PlainConnectionSocketFactory;
  37 import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
  38 import org.apache.http.impl.client.HttpClientBuilder;
  39 import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
  40 import org.apache.http.ssl.SSLContextBuilder;
  41 import org.onap.logging.filter.spring.SpringClientPayloadFilter;
  42 import org.onap.so.adapters.vnfmadapter.extclients.AbstractServiceProviderConfiguration;
  43 import org.onap.so.configuration.rest.BasicHttpHeadersProvider;
  44 import org.onap.so.configuration.rest.HttpClientConnectionConfiguration;
  45 import org.onap.so.logging.jaxrs.filter.SOSpringClientFilter;
  46 import org.onap.so.rest.service.HttpRestServiceProvider;
  47 import org.onap.so.rest.service.HttpRestServiceProviderImpl;
  48 import org.slf4j.Logger;
  49 import org.slf4j.LoggerFactory;
  50 import org.springframework.beans.factory.annotation.Autowired;
  51 import org.springframework.beans.factory.annotation.Qualifier;
  52 import org.springframework.beans.factory.annotation.Value;
  53 import org.springframework.context.annotation.Bean;
  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.HttpComponentsClientHttpRequestFactory;
  58 import org.springframework.web.client.RestTemplate;
  59
  60 /**
  61  * Configures the HttpRestServiceProvider to make REST calls to the ETSI Catalog Manager
  62  *
  63  * @author gareth.roper@est.tech
  64  */
  65
  66 @Configuration
  67 public class EtsiCatalogServiceProviderConfiguration extends AbstractServiceProviderConfiguration {
  68
  69     public static final String ETSI_CATALOG_REST_TEMPLATE_BEAN = "etsiCatalogRestTemplate";
  70
  71     public static final String ETSI_CATALOG_SERVICE_PROVIDER_BEAN = "etsiCatalogServiceProvider";
  72
  73     private final static Logger LOGGER = LoggerFactory.getLogger(EtsiCatalogServiceProviderConfiguration.class);
  74
  75     private final HttpClientConnectionConfiguration clientConnectionConfiguration;
  76
  77     @Value("${etsi-catalog-manager.http.client.ssl.trust-store:#{null}}")
  78     private Resource trustStore;
  79     @Value("${etsi-catalog-manager.http.client.ssl.trust-store-password:#{null}}")
  80     private String trustStorePassword;
  81
  82     @Autowired
  83     public EtsiCatalogServiceProviderConfiguration(
  84             final HttpClientConnectionConfiguration clientConnectionConfiguration) {
  85         this.clientConnectionConfiguration = clientConnectionConfiguration;
  86     }
  87
  88     @Bean
  89     @Qualifier(ETSI_CATALOG_REST_TEMPLATE_BEAN)
  90     public RestTemplate etsiCatalogRestTemplate() {
  91         final RestTemplate restTemplate = new RestTemplate();
  92         restTemplate.getInterceptors().add(new SOSpringClientFilter());
  93         restTemplate.getInterceptors().add((new SpringClientPayloadFilter()));
  94         return restTemplate;
  95     }
  96
  97     @Bean
  98     @Qualifier(ETSI_CATALOG_SERVICE_PROVIDER_BEAN)
  99     public HttpRestServiceProvider etsiCatalogHttpRestServiceProvider(
 100             @Qualifier(ETSI_CATALOG_REST_TEMPLATE_BEAN) final RestTemplate restTemplate) {
 101         setGsonMessageConverter(restTemplate);
 102
 103         final HttpClientBuilder httpClientBuilder = getHttpClientBuilder();
 104         if (trustStore != null) {
 105             try {
 106                 LOGGER.debug("Setting up HttpComponentsClientHttpRequestFactory with SSL Context");
 107                 LOGGER.debug("Setting client trust-store: {}", trustStore.getURL());
 108                 LOGGER.debug("Creating SSLConnectionSocketFactory with AllowAllHostsVerifier ... ");
 109                 final SSLContext sslContext = new SSLContextBuilder()
 110                         .loadTrustMaterial(trustStore.getURL(), trustStorePassword.toCharArray()).build();
 111                 final SSLConnectionSocketFactory sslConnectionSocketFactory =
 112                         new SSLConnectionSocketFactory(sslContext, AllowAllHostsVerifier.INSTANCE);
 113                 httpClientBuilder.setSSLSocketFactory(sslConnectionSocketFactory);
 114                 final Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder
 115                         .<ConnectionSocketFactory>create().register("http", PlainConnectionSocketFactory.INSTANCE)
 116                         .register("https", sslConnectionSocketFactory).build();
 117
 118                 httpClientBuilder.setConnectionManager(getConnectionManager(socketFactoryRegistry));
 119             } catch (final KeyManagementException | NoSuchAlgorithmException | KeyStoreException | CertificateException
 120                     | IOException exception) {
 121                 LOGGER.error("Error reading truststore, TLS connection will fail.", exception);
 122             }
 123
 124         } else {
 125             LOGGER.debug("Setting connection manager without SSL ConnectionSocketFactory ...");
 126             httpClientBuilder.setConnectionManager(getConnectionManager());
 127         }
 128
 129         final HttpComponentsClientHttpRequestFactory factory =
 130                 new HttpComponentsClientHttpRequestFactory(httpClientBuilder.build());
 131         restTemplate.setRequestFactory(new BufferingClientHttpRequestFactory(factory));
 132
 133         return new HttpRestServiceProviderImpl(restTemplate, new BasicHttpHeadersProvider().getHttpHeaders());
 134     }
 135
 136     private PoolingHttpClientConnectionManager getConnectionManager(
 137             final Registry<ConnectionSocketFactory> socketFactoryRegistry) {
 138         return new PoolingHttpClientConnectionManager(socketFactoryRegistry, null, null, null,
 139                 clientConnectionConfiguration.getTimeToLiveInMins(), TimeUnit.MINUTES);
 140     }
 141
 142     private PoolingHttpClientConnectionManager getConnectionManager() {
 143         return new PoolingHttpClientConnectionManager(clientConnectionConfiguration.getTimeToLiveInMins(),
 144                 TimeUnit.MINUTES);
 145     }
 146
 147     private HttpClientBuilder getHttpClientBuilder() {
 148         return HttpClientBuilder.create().setMaxConnPerRoute(clientConnectionConfiguration.getMaxConnectionsPerRoute())
 149                 .setMaxConnTotal(clientConnectionConfiguration.getMaxConnections())
 150                 .setDefaultRequestConfig(getRequestConfig());
 151     }
 152
 153     private RequestConfig getRequestConfig() {
 154         return RequestConfig.custom().setSocketTimeout(clientConnectionConfiguration.getSocketTimeOutInMiliSeconds())
 155                 .setConnectTimeout(clientConnectionConfiguration.getConnectionTimeOutInMilliSeconds()).build();
 156     }
 157
 158     private static final class AllowAllHostsVerifier implements HostnameVerifier {
 159
 160         private static final AllowAllHostsVerifier INSTANCE = new AllowAllHostsVerifier();
 161
 162         @Override
 163         public boolean verify(final String hostname, final SSLSession session) {
 164             LOGGER.debug("Skipping hostname verification ...");
 165             return true;
 166         }
 167
 168     }
 169
 170 }