netbox-client/provider/src/main/java/org/onap/ccsdk/sli/adaptors/netbox/impl/NetboxHttpClient.java

   1 /*
   2  * Copyright (C) 2018 Bell Canada.
   3  *
   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  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  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 package org.onap.ccsdk.sli.adaptors.netbox.impl;
  17
  18 import static org.apache.http.HttpHeaders.ACCEPT;
  19 import static org.apache.http.HttpHeaders.AUTHORIZATION;
  20 import static org.apache.http.HttpHeaders.CONTENT_TYPE;
  21
  22 import java.io.IOException;
  23 import java.nio.charset.Charset;
  24 import java.security.KeyManagementException;
  25 import java.security.KeyStoreException;
  26 import java.security.NoSuchAlgorithmException;
  27 import javax.net.ssl.SSLContext;
  28 import org.apache.http.HttpResponse;
  29 import org.apache.http.client.methods.HttpDelete;
  30 import org.apache.http.client.methods.HttpPost;
  31 import org.apache.http.client.methods.HttpRequestBase;
  32 import org.apache.http.conn.ssl.NoopHostnameVerifier;
  33 import org.apache.http.entity.StringEntity;
  34 import org.apache.http.impl.client.CloseableHttpClient;
  35 import org.apache.http.impl.client.HttpClientBuilder;
  36 import org.apache.http.ssl.SSLContexts;
  37 import org.apache.http.ssl.TrustStrategy;
  38 import org.onap.ccsdk.sli.adaptors.netbox.property.NetboxProperties;
  39
  40 public class NetboxHttpClient implements AutoCloseable {
  41
  42     private static final String APPLICATION_JSON = "application/json";
  43
  44     private final CloseableHttpClient client;
  45     private final String url;
  46     private final String token;
  47
  48     // Used by the blueprint container
  49     public NetboxHttpClient(NetboxProperties properties) {
  50         this(properties.getHost(), properties.getApiKey());
  51     }
  52
  53     NetboxHttpClient(final String url, final String token) {
  54         this.url = url;
  55         this.token = token;
  56
  57         final TrustStrategy acceptingTrustStrategy = (certificate, authType) -> true;
  58         final SSLContext sslContext;
  59         try {
  60             sslContext = SSLContexts.custom()
  61                 .loadTrustMaterial(null, acceptingTrustStrategy).build();
  62         } catch (final NoSuchAlgorithmException | KeyManagementException | KeyStoreException e) {
  63             throw new IllegalStateException("Can't create http client", e);
  64         }
  65         client = HttpClientBuilder.create()
  66             .setSSLHostnameVerifier(NoopHostnameVerifier.INSTANCE)
  67             .setSSLContext(sslContext)
  68             .build();
  69     }
  70
  71     @Override
  72     public void close() throws IOException {
  73         client.close();
  74     }
  75
  76     HttpResponse post(final String uri, final String requestBody) throws IOException {
  77         final HttpPost request = new HttpPost(url + uri);
  78         setHeaders(request);
  79         request.setEntity(new StringEntity(requestBody, Charset.forName("UTF-8")));
  80         return client.execute(request);
  81     }
  82
  83     HttpResponse delete(final String uri) throws IOException {
  84         final HttpDelete request = new HttpDelete(url + uri);
  85         setHeaders(request);
  86         return client.execute(request);
  87     }
  88
  89     private void setHeaders(final HttpRequestBase request) {
  90         request.addHeader(ACCEPT, APPLICATION_JSON);
  91         request.addHeader(CONTENT_TYPE, APPLICATION_JSON);
  92         request.addHeader(AUTHORIZATION, "Token " + token);
  93     }
  94 }