holmes-actions/src/main/java/org/onap/holmes/common/utils/JerseyClient.java

   1 /**
   2  * Copyright 2020 ZTE Corporation.
   3  * <p>
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  * <p>
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  * <p>
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.onap.holmes.common.utils;
  18
  19 import org.glassfish.jersey.client.ClientConfig;
  20 import org.jvnet.hk2.annotations.Service;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 import javax.annotation.PostConstruct;
  25 import javax.net.ssl.SSLContext;
  26 import javax.net.ssl.TrustManager;
  27 import javax.net.ssl.X509TrustManager;
  28 import javax.ws.rs.client.Client;
  29 import javax.ws.rs.client.ClientBuilder;
  30 import java.security.KeyManagementException;
  31 import java.security.NoSuchAlgorithmException;
  32 import java.security.cert.X509Certificate;
  33
  34 @Service
  35 public class JerseyClient {
  36     private static Logger logger = LoggerFactory.getLogger(JerseyClient.class);
  37     public static final String PROTOCOL_HTTP = "http";
  38     public static final String PROTOCOL_HTTPS = "https";
  39     private SSLContext sslcontext = null;
  40
  41     @PostConstruct
  42     private void init() {
  43         try {
  44             sslcontext = SSLContext.getInstance("TLS");
  45             sslcontext.init(null, new TrustManager[]{new X509TrustManager() {
  46                 public void checkClientTrusted(X509Certificate[] arg0, String arg1) {
  47                 }
  48
  49                 public void checkServerTrusted(X509Certificate[] arg0, String arg1) {
  50                 }
  51
  52                 public X509Certificate[] getAcceptedIssuers() {
  53                     return new X509Certificate[0];
  54                 }
  55             }}, new java.security.SecureRandom());
  56         } catch (NoSuchAlgorithmException | KeyManagementException e) {
  57             logger.error("Failed to initialize the SSLContext instance!", e);
  58         }
  59     }
  60
  61     public Client httpClient() {
  62         return ClientBuilder.newClient(new ClientConfig());
  63     }
  64
  65     public Client httpsClient() {
  66         return ClientBuilder.newBuilder()
  67                 .sslContext(sslcontext)
  68                 .hostnameVerifier((s1, s2) -> true)
  69                 .build();
  70     }
  71
  72     public Client client(boolean isHttps) {
  73         return isHttps ? httpsClient() : httpClient();
  74     }
  75 }