asdc-controller/src/main/java/org/onap/so/asdc/etsi/pkg/processor/SslBasedHttpClientConfiguration.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2020 Ericsson. All rights reserved.
   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.asdc.etsi.pkg.processor;
  21
  22 import java.security.NoSuchAlgorithmException;
  23 import java.util.concurrent.TimeUnit;
  24 import javax.net.ssl.SSLContext;
  25 import org.apache.http.client.config.RequestConfig;
  26 import org.apache.http.impl.client.HttpClientBuilder;
  27 import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
  28 import org.onap.logging.filter.spring.SpringClientPayloadFilter;
  29 import org.onap.so.configuration.rest.HttpClientConnectionConfiguration;
  30 import org.onap.so.logging.jaxrs.filter.SOSpringClientFilter;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33 import org.springframework.beans.factory.annotation.Autowired;
  34 import org.springframework.beans.factory.annotation.Qualifier;
  35 import org.springframework.context.annotation.Bean;
  36 import org.springframework.context.annotation.Configuration;
  37 import org.springframework.http.client.BufferingClientHttpRequestFactory;
  38 import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
  39 import org.springframework.web.client.RestTemplate;
  40
  41 /**
  42  * @author Waqas Ikram (waqas.ikram@est.tech)
  43  *
  44  */
  45 @Configuration
  46 public class SslBasedHttpClientConfiguration {
  47     private final static Logger LOGGER = LoggerFactory.getLogger(EtsiResourcePackageProcessor.class);
  48
  49
  50     public static final String SSL_BASED_CONFIGURABLE_REST_TEMPLATE = "sslBasedConfigurableRestTemplate";
  51     private final HttpClientConnectionConfiguration clientConnectionConfiguration;
  52
  53     @Autowired
  54     public SslBasedHttpClientConfiguration(final HttpClientConnectionConfiguration clientConnectionConfiguration) {
  55         this.clientConnectionConfiguration = clientConnectionConfiguration;
  56     }
  57
  58     @Bean
  59     @Qualifier(SSL_BASED_CONFIGURABLE_REST_TEMPLATE)
  60     public RestTemplate sslBasedConfigurableRestTemplate() {
  61         final RestTemplate restTemplate =
  62                 new RestTemplate(new BufferingClientHttpRequestFactory(httpComponentsClientHttpRequestFactory()));
  63         restTemplate.getInterceptors().add(new SOSpringClientFilter());
  64         restTemplate.getInterceptors().add((new SpringClientPayloadFilter()));
  65         return restTemplate;
  66     }
  67
  68     private HttpComponentsClientHttpRequestFactory httpComponentsClientHttpRequestFactory() {
  69         try {
  70             LOGGER.debug("Setting up HttpComponentsClientHttpRequestFactory with default SSL Context");
  71             return new HttpComponentsClientHttpRequestFactory(HttpClientBuilder.create()
  72                     .setConnectionManager(getConnectionManager())
  73                     .setMaxConnPerRoute(clientConnectionConfiguration.getMaxConnectionsPerRoute())
  74                     .setMaxConnTotal(clientConnectionConfiguration.getMaxConnections())
  75                     .setDefaultRequestConfig(getRequestConfig()).setSSLContext(SSLContext.getDefault()).build());
  76
  77         } catch (final NoSuchAlgorithmException exception) {
  78             LOGGER.error("Failed to create HttpComponentsClientHttpRequestFactory with default SSL Context", exception);
  79             throw new RuntimeException(exception);
  80         }
  81     }
  82
  83     private PoolingHttpClientConnectionManager getConnectionManager() {
  84         return new PoolingHttpClientConnectionManager(clientConnectionConfiguration.getTimeToLiveInMins(),
  85                 TimeUnit.MINUTES);
  86     }
  87
  88     private RequestConfig getRequestConfig() {
  89         return RequestConfig.custom().setSocketTimeout(clientConnectionConfiguration.getSocketTimeOutInMiliSeconds())
  90                 .setConnectTimeout(clientConnectionConfiguration.getConnectionTimeOutInMilliSeconds()).build();
  91     }
  92
  93 }