so-etsi-nfvo/so-etsi-nfvo-ns-lcm/so-etsi-nfvo-ns-lcm-bpmn-flows/src/main/java/org/onap/so/etsi/nfvo/ns/lcm/bpmn/flows/extclients/vnfm/Sol003AdapterConfiguration.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
  21 package org.onap.so.etsi.nfvo.ns.lcm.bpmn.flows.extclients.vnfm;
  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.Iterator;
  29 import javax.net.ssl.SSLContext;
  30 import org.apache.http.client.HttpClient;
  31 import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
  32 import org.apache.http.impl.client.HttpClients;
  33 import org.apache.http.ssl.SSLContextBuilder;
  34 import org.onap.logging.filter.spring.SpringClientPayloadFilter;
  35 import org.onap.so.configuration.rest.BasicHttpHeadersProvider;
  36 import org.onap.so.configuration.rest.HttpComponentsClientConfiguration;
  37 import org.onap.so.configuration.rest.HttpHeadersProvider;
  38 import org.onap.so.etsi.nfvo.ns.lcm.bpmn.flows.GsonProvider;
  39 import org.onap.so.logging.jaxrs.filter.SOSpringClientFilter;
  40 import org.onap.so.rest.service.HttpRestServiceProvider;
  41 import org.onap.so.rest.service.HttpRestServiceProviderImpl;
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44 import org.springframework.beans.factory.annotation.Autowired;
  45 import org.springframework.beans.factory.annotation.Qualifier;
  46 import org.springframework.beans.factory.annotation.Value;
  47 import org.springframework.context.annotation.Bean;
  48 import org.springframework.context.annotation.Configuration;
  49 import org.springframework.core.io.Resource;
  50 import org.springframework.http.client.BufferingClientHttpRequestFactory;
  51 import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
  52 import org.springframework.http.converter.HttpMessageConverter;
  53 import org.springframework.http.converter.json.GsonHttpMessageConverter;
  54 import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
  55 import org.springframework.web.client.RestTemplate;
  56
  57 /**
  58  * @author Waqas Ikram (waqas.ikram@est.tech)
  59  *
  60  */
  61 @Configuration
  62 public class Sol003AdapterConfiguration {
  63
  64     private static final Logger logger = LoggerFactory.getLogger(Sol003AdapterConfiguration.class);
  65
  66     public static final String SOL003_ADAPTER_REST_TEMPLATE_BEAN = "Sol003AdapterRestTemplateBean";
  67     public static final String SOL003_ADAPTER_HTTP_REST_SERVICE_PROVIDER_BEAN =
  68             "Sol003AdapterHttpRestServiceProviderBean";
  69
  70     @Value("${rest.http.client.configuration.ssl.trustStore:#{null}}")
  71     private Resource trustStore;
  72
  73     @Value("${rest.http.client.configuration.ssl.trustStorePassword:#{null}}")
  74     private String trustStorePassword;
  75
  76     @Value("so.adapters.sol003-adapter.auth:Basic dm5mbTpwYXNzd29yZDEk")
  77     private String sol003AdapterBasicAuth;
  78
  79     @Autowired
  80     private GsonProvider gsonProvider;
  81
  82     @Autowired
  83     private HttpComponentsClientConfiguration httpComponentsClientConfiguration;
  84
  85     @Bean
  86     @Qualifier(SOL003_ADAPTER_REST_TEMPLATE_BEAN)
  87     public RestTemplate sol003AdapterRestTemplate() {
  88         final HttpComponentsClientHttpRequestFactory clientHttpRequestFactory =
  89                 httpComponentsClientConfiguration.httpComponentsClientHttpRequestFactory();
  90         final RestTemplate restTemplate =
  91                 new RestTemplate(new BufferingClientHttpRequestFactory(clientHttpRequestFactory));
  92         restTemplate.getInterceptors().add(new SOSpringClientFilter());
  93         restTemplate.getInterceptors().add((new SpringClientPayloadFilter()));
  94         return restTemplate;
  95
  96     }
  97
  98     @Bean
  99     @Qualifier(SOL003_ADAPTER_HTTP_REST_SERVICE_PROVIDER_BEAN)
 100     public HttpRestServiceProvider sol003AdapaterHttpRestServiceProvider(
 101             @Qualifier(SOL003_ADAPTER_REST_TEMPLATE_BEAN) @Autowired final RestTemplate restTemplate) {
 102
 103         if (trustStore != null) {
 104             setTrustStore(restTemplate);
 105         }
 106         setGsonMessageConverter(restTemplate);
 107         return getHttpRestServiceProvider(restTemplate, new BasicHttpHeadersProvider(sol003AdapterBasicAuth));
 108     }
 109
 110     private void setTrustStore(final RestTemplate restTemplate) {
 111         try {
 112             final SSLConnectionSocketFactory socketFactory = new SSLConnectionSocketFactory(getSSLContext());
 113             final HttpClient httpClient = HttpClients.custom().setSSLSocketFactory(socketFactory).build();
 114             final HttpComponentsClientHttpRequestFactory factory =
 115                     new HttpComponentsClientHttpRequestFactory(httpClient);
 116             restTemplate.setRequestFactory(new BufferingClientHttpRequestFactory(factory));
 117         } catch (Exception exception) {
 118             logger.error("Error reading truststore, TLS connection to VNFM will fail.", exception);
 119         }
 120     }
 121
 122     private SSLContext getSSLContext() throws KeyManagementException, NoSuchAlgorithmException, KeyStoreException,
 123             CertificateException, IOException {
 124         if (trustStore != null) {
 125             logger.info("Setting truststore: {}", trustStore.getURL());
 126             return new SSLContextBuilder().loadTrustMaterial(trustStore.getURL(), trustStorePassword.toCharArray())
 127                     .build();
 128         }
 129         logger.info("Setting Default SSL ...");
 130         return SSLContext.getDefault();
 131
 132     }
 133
 134     private HttpRestServiceProvider getHttpRestServiceProvider(final RestTemplate restTemplate,
 135             final HttpHeadersProvider httpHeadersProvider) {
 136         return new HttpRestServiceProviderImpl(restTemplate, httpHeadersProvider.getHttpHeaders());
 137     }
 138
 139     private void setGsonMessageConverter(final RestTemplate restTemplate) {
 140         final Iterator<HttpMessageConverter<?>> iterator = restTemplate.getMessageConverters().iterator();
 141         while (iterator.hasNext()) {
 142             if (iterator.next() instanceof MappingJackson2HttpMessageConverter) {
 143                 iterator.remove();
 144             }
 145         }
 146         restTemplate.getMessageConverters().add(new GsonHttpMessageConverter(gsonProvider.getGson()));
 147     }
 148 }