adapters/etsi-sol003-adapter/etsi-sol003-pkgm/etsi-sol003-pkgm-adapter/src/main/java/org/onap/so/adapters/etsisol003adapter/pkgm/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.etsisol003adapter.pkgm.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.etsi.sol003.adapter.common.configuration.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 import com.google.gson.Gson;
  60
  61 /**
  62  * Configures the HttpRestServiceProvider to make REST calls to the ETSI Catalog Manager
  63  *
  64  * @author gareth.roper@est.tech
  65  */
  66
  67 @Configuration
  68 public class EtsiCatalogServiceProviderConfiguration extends AbstractServiceProviderConfiguration {
  69
  70     public static final String ETSI_CATALOG_REST_TEMPLATE_BEAN = "etsiCatalogRestTemplate";
  71
  72     public static final String ETSI_CATALOG_SERVICE_PROVIDER_BEAN = "etsiCatalogServiceProvider";
  73
  74     private final static Logger LOGGER = LoggerFactory.getLogger(EtsiCatalogServiceProviderConfiguration.class);
  75
  76     private final HttpClientConnectionConfiguration clientConnectionConfiguration;
  77
  78     @Value("${etsi-catalog-manager.http.client.ssl.trust-store:#{null}}")
  79     private Resource trustStore;
  80     @Value("${etsi-catalog-manager.http.client.ssl.trust-store-password:#{null}}")
  81     private String trustStorePassword;
  82
  83     @Autowired
  84     public EtsiCatalogServiceProviderConfiguration(
  85             final HttpClientConnectionConfiguration clientConnectionConfiguration) {
  86         this.clientConnectionConfiguration = clientConnectionConfiguration;
  87     }
  88
  89     @Bean
  90     @Qualifier(ETSI_CATALOG_REST_TEMPLATE_BEAN)
  91     public RestTemplate etsiCatalogRestTemplate() {
  92         final RestTemplate restTemplate = new RestTemplate();
  93         restTemplate.getInterceptors().add(new SOSpringClientFilter());
  94         restTemplate.getInterceptors().add((new SpringClientPayloadFilter()));
  95         return restTemplate;
  96     }
  97
  98     @Bean
  99     @Qualifier(ETSI_CATALOG_SERVICE_PROVIDER_BEAN)
 100     public HttpRestServiceProvider etsiCatalogHttpRestServiceProvider(
 101             @Qualifier(ETSI_CATALOG_REST_TEMPLATE_BEAN) final RestTemplate restTemplate) {
 102         setGsonMessageConverter(restTemplate);
 103
 104         final HttpClientBuilder httpClientBuilder = getHttpClientBuilder();
 105         if (trustStore != null) {
 106             try {
 107                 LOGGER.debug("Setting up HttpComponentsClientHttpRequestFactory with SSL Context");
 108                 LOGGER.debug("Setting client trust-store: {}", trustStore.getURL());
 109                 LOGGER.debug("Creating SSLConnectionSocketFactory with AllowAllHostsVerifier ... ");
 110                 final SSLContext sslContext = new SSLContextBuilder()
 111                         .loadTrustMaterial(trustStore.getURL(), trustStorePassword.toCharArray()).build();
 112                 final SSLConnectionSocketFactory sslConnectionSocketFactory =
 113                         new SSLConnectionSocketFactory(sslContext, AllowAllHostsVerifier.INSTANCE);
 114                 httpClientBuilder.setSSLSocketFactory(sslConnectionSocketFactory);
 115                 final Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder
 116                         .<ConnectionSocketFactory>create().register("http", PlainConnectionSocketFactory.INSTANCE)
 117                         .register("https", sslConnectionSocketFactory).build();
 118
 119                 httpClientBuilder.setConnectionManager(getConnectionManager(socketFactoryRegistry));
 120             } catch (final KeyManagementException | NoSuchAlgorithmException | KeyStoreException | CertificateException
 121                     | IOException exception) {
 122                 LOGGER.error("Error reading truststore, TLS connection will fail.", exception);
 123             }
 124
 125         } else {
 126             LOGGER.debug("Setting connection manager without SSL ConnectionSocketFactory ...");
 127             httpClientBuilder.setConnectionManager(getConnectionManager());
 128         }
 129
 130         final HttpComponentsClientHttpRequestFactory factory =
 131                 new HttpComponentsClientHttpRequestFactory(httpClientBuilder.build());
 132         restTemplate.setRequestFactory(new BufferingClientHttpRequestFactory(factory));
 133
 134         return new HttpRestServiceProviderImpl(restTemplate, new BasicHttpHeadersProvider().getHttpHeaders());
 135     }
 136
 137     private PoolingHttpClientConnectionManager getConnectionManager(
 138             final Registry<ConnectionSocketFactory> socketFactoryRegistry) {
 139         return new PoolingHttpClientConnectionManager(socketFactoryRegistry, null, null, null,
 140                 clientConnectionConfiguration.getTimeToLiveInMins(), TimeUnit.MINUTES);
 141     }
 142
 143     private PoolingHttpClientConnectionManager getConnectionManager() {
 144         return new PoolingHttpClientConnectionManager(clientConnectionConfiguration.getTimeToLiveInMins(),
 145                 TimeUnit.MINUTES);
 146     }
 147
 148     private HttpClientBuilder getHttpClientBuilder() {
 149         return HttpClientBuilder.create().setMaxConnPerRoute(clientConnectionConfiguration.getMaxConnectionsPerRoute())
 150                 .setMaxConnTotal(clientConnectionConfiguration.getMaxConnections())
 151                 .setDefaultRequestConfig(getRequestConfig());
 152     }
 153
 154     private RequestConfig getRequestConfig() {
 155         return RequestConfig.custom().setSocketTimeout(clientConnectionConfiguration.getSocketTimeOutInMiliSeconds())
 156                 .setConnectTimeout(clientConnectionConfiguration.getConnectionTimeOutInMilliSeconds()).build();
 157     }
 158
 159     private static final class AllowAllHostsVerifier implements HostnameVerifier {
 160
 161         private static final AllowAllHostsVerifier INSTANCE = new AllowAllHostsVerifier();
 162
 163         @Override
 164         public boolean verify(final String hostname, final SSLSession session) {
 165             LOGGER.debug("Skipping hostname verification ...");
 166             return true;
 167         }
 168
 169     }
 170
 171     @Override
 172     protected Gson getGson() {
 173         return new JSON().getGson();
 174     }
 175
 176 }