plans/so/integration-etsi-testing/so-simulators/vnfm-simulator/vnfm-service/src/main/java/org/onap/so/svnfm/simulator/config/SslBasedRestTemplateConfiguration.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2020 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 package org.onap.so.svnfm.simulator.config;
  21
  22 import com.google.gson.Gson;
  23 import org.apache.http.client.HttpClient;
  24 import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
  25 import org.apache.http.impl.client.HttpClientBuilder;
  26 import org.apache.http.impl.client.HttpClients;
  27 import org.apache.http.ssl.SSLContextBuilder;
  28 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.JSON;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31 import org.springframework.beans.factory.annotation.Qualifier;
  32 import org.springframework.beans.factory.annotation.Value;
  33 import org.springframework.context.annotation.Bean;
  34 import org.springframework.context.annotation.Configuration;
  35 import org.springframework.core.io.Resource;
  36 import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
  37 import org.springframework.http.converter.HttpMessageConverter;
  38 import org.springframework.http.converter.json.GsonHttpMessageConverter;
  39 import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
  40 import org.springframework.web.client.RestTemplate;
  41 import java.security.KeyStore;
  42 import java.util.Iterator;
  43
  44 /**
  45  * @author Waqas Ikram (waqas.ikram@est.tech)
  46  * @author Andrew Lamb (andrew.a.lamb@est.tech)
  47  */
  48 @Configuration public class SslBasedRestTemplateConfiguration {
  49
  50     private static final Logger logger = LoggerFactory.getLogger(SslBasedRestTemplateConfiguration.class);
  51
  52     public static final String SSL_BASED_CONFIGURABLE_REST_TEMPLATE = "sslBasedConfigurableRestTemplate";
  53
  54     @Value("${http.client.ssl.trust-store:#{null}}")
  55     private Resource trustStore;
  56     @Value("${http.client.ssl.trust-store-password:#{null}}")
  57     private String trustStorePassword;
  58
  59     @Value("${server.ssl.key-store:#{null}}")
  60     private Resource keyStoreResource;
  61     @Value("${server.ssl.key--store-password:#{null}}")
  62     private String keyStorePassword;
  63
  64     @Bean
  65     @Qualifier(SSL_BASED_CONFIGURABLE_REST_TEMPLATE)
  66     public RestTemplate sslBasedrestTemplate() throws Exception {
  67         logger.info("Configuring {} ...", this.getClass().getCanonicalName());
  68         final RestTemplate restTemplate = new RestTemplate();
  69         final HttpClientBuilder builder = HttpClients.custom();
  70
  71         if (keyStoreResource != null && trustStore != null) {
  72             logger.info("Setting key-store: {}", keyStoreResource.getURL());
  73             logger.info("Setting key-store-password: {}", keyStorePassword);
  74             final KeyStore keystore = KeyStore.getInstance("pkcs12");
  75             keystore.load(keyStoreResource.getInputStream(), keyStorePassword.toCharArray());
  76
  77             logger.info("Setting client trust-store: {}", trustStore.getURL());
  78             logger.info("Setting client trust-store-password: {}", trustStorePassword);
  79             final SSLConnectionSocketFactory socketFactory = new SSLConnectionSocketFactory(
  80                     new SSLContextBuilder().loadTrustMaterial(trustStore.getURL(), trustStorePassword.toCharArray())
  81                             .loadKeyMaterial(keystore, keyStorePassword.toCharArray()).build());
  82             builder.setSSLSocketFactory(socketFactory);
  83         }
  84
  85         final HttpClient httpClient = builder.build();
  86         final HttpComponentsClientHttpRequestFactory factory = new HttpComponentsClientHttpRequestFactory(httpClient);
  87         restTemplate.setRequestFactory(factory);
  88         setGsonMessageConverter(restTemplate);
  89         return restTemplate;
  90     }
  91
  92     public void setGsonMessageConverter(final RestTemplate restTemplate) {
  93         logger.info("Setting GsonMessageConverter ...");
  94         final Iterator<HttpMessageConverter<?>> iterator = restTemplate.getMessageConverters().iterator();
  95         while (iterator.hasNext()) {
  96             if (iterator.next() instanceof MappingJackson2HttpMessageConverter) {
  97                 iterator.remove();
  98             }
  99         }
 100         final Gson gson = new JSON().getGson();
 101         restTemplate.getMessageConverters().add(new GsonHttpMessageConverter(gson));
 102         logger.info("Finished setting GsonMessageConverter ...");
 103     }
 104
 105 }