certServiceClient/src/main/java/org/onap/aaf/certservice/client/CertServiceClient.java

   1 /*============LICENSE_START=======================================================
   2  * aaf-certservice-client
   3  * ================================================================================
   4  * Copyright (C) 2020 Nokia. All rights reserved.
   5  * ================================================================================
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *      http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  * ============LICENSE_END=========================================================
  18  */
  19
  20 package org.onap.aaf.certservice.client;
  21
  22 import org.onap.aaf.certservice.client.api.ExitableException;
  23 import org.onap.aaf.certservice.client.certification.ArtifactsCreatorProvider;
  24 import org.onap.aaf.certservice.client.certification.CsrFactory;
  25 import org.onap.aaf.certservice.client.certification.KeyPairFactory;
  26 import org.onap.aaf.certservice.client.certification.PrivateKeyToPemEncoder;
  27 import org.onap.aaf.certservice.client.common.Base64Encoder;
  28 import org.onap.aaf.certservice.client.configuration.EnvsForClient;
  29 import org.onap.aaf.certservice.client.configuration.EnvsForCsr;
  30 import org.onap.aaf.certservice.client.configuration.EnvsForTls;
  31 import org.onap.aaf.certservice.client.configuration.factory.ClientConfigurationFactory;
  32 import org.onap.aaf.certservice.client.configuration.factory.CsrConfigurationFactory;
  33 import org.onap.aaf.certservice.client.configuration.factory.SslContextFactory;
  34 import org.onap.aaf.certservice.client.configuration.model.ClientConfiguration;
  35 import org.onap.aaf.certservice.client.configuration.model.CsrConfiguration;
  36 import org.onap.aaf.certservice.client.httpclient.CloseableHttpsClientProvider;
  37 import org.onap.aaf.certservice.client.httpclient.HttpClient;
  38 import org.onap.aaf.certservice.client.httpclient.model.CertServiceResponse;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 import javax.net.ssl.SSLContext;
  43 import java.security.KeyPair;
  44
  45 import static org.onap.aaf.certservice.client.api.ExitStatus.SUCCESS;
  46 import static org.onap.aaf.certservice.client.certification.EncryptionAlgorithmConstants.KEY_SIZE;
  47 import static org.onap.aaf.certservice.client.certification.EncryptionAlgorithmConstants.RSA_ENCRYPTION_ALGORITHM;
  48
  49 public class CertServiceClient {
  50
  51     private static final Logger LOGGER = LoggerFactory.getLogger(CertServiceClient.class);
  52
  53     private AppExitHandler appExitHandler;
  54
  55     public CertServiceClient(AppExitHandler appExitHandler) {
  56         this.appExitHandler = appExitHandler;
  57     }
  58
  59     public void run() {
  60         KeyPairFactory keyPairFactory = new KeyPairFactory(RSA_ENCRYPTION_ALGORITHM, KEY_SIZE);
  61         PrivateKeyToPemEncoder pkEncoder = new PrivateKeyToPemEncoder();
  62         Base64Encoder base64Encoder = new Base64Encoder();
  63         try {
  64             ClientConfiguration clientConfiguration = new ClientConfigurationFactory(new EnvsForClient()).create();
  65             CsrConfiguration csrConfiguration = new CsrConfigurationFactory(new EnvsForCsr()).create();
  66             KeyPair keyPair = keyPairFactory.create();
  67             CsrFactory csrFactory = new CsrFactory(csrConfiguration);
  68             SSLContext sslContext = new SslContextFactory(new EnvsForTls()).create();
  69
  70             CloseableHttpsClientProvider provider = new CloseableHttpsClientProvider(
  71                     sslContext, clientConfiguration.getRequestTimeout());
  72             HttpClient httpClient = new HttpClient(provider, clientConfiguration.getUrlToCertService());
  73
  74             CertServiceResponse certServiceData =
  75                     httpClient.retrieveCertServiceData(
  76                             clientConfiguration.getCaName(),
  77                             base64Encoder.encode(csrFactory.createCsrInPem(keyPair)),
  78                             base64Encoder.encode(pkEncoder.encodePrivateKeyToPem(keyPair.getPrivate())));
  79
  80             ArtifactsCreatorProvider
  81                     .get(clientConfiguration.getOutputType(),
  82                             clientConfiguration.getCertsOutputPath())
  83                     .create(certServiceData.getCertificateChain(),
  84                             certServiceData.getTrustedCertificates(),
  85                             keyPair.getPrivate());
  86
  87         } catch (ExitableException e) {
  88             LOGGER.error("Cert Service Client fails in execution: ", e);
  89             appExitHandler.exit(e.applicationExitStatus());
  90         }
  91         appExitHandler.exit(SUCCESS);
  92     }
  93 }