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.CsrFactory;
  24 import org.onap.aaf.certservice.client.certification.KeyPairFactory;
  25 import org.onap.aaf.certservice.client.certification.PrivateKeyToPemEncoder;
  26 import org.onap.aaf.certservice.client.certification.conversion.KeystoreTruststoreCreator;
  27 import org.onap.aaf.certservice.client.certification.conversion.KeystoreTruststoreCreatorFactory;
  28 import org.onap.aaf.certservice.client.common.Base64Encoder;
  29 import org.onap.aaf.certservice.client.configuration.EnvsForClient;
  30 import org.onap.aaf.certservice.client.configuration.EnvsForCsr;
  31 import org.onap.aaf.certservice.client.configuration.EnvsForTls;
  32 import org.onap.aaf.certservice.client.configuration.factory.ClientConfigurationFactory;
  33 import org.onap.aaf.certservice.client.configuration.factory.CsrConfigurationFactory;
  34 import org.onap.aaf.certservice.client.configuration.factory.SslContextFactory;
  35 import org.onap.aaf.certservice.client.configuration.model.ClientConfiguration;
  36 import org.onap.aaf.certservice.client.configuration.model.CsrConfiguration;
  37 import org.onap.aaf.certservice.client.httpclient.CloseableHttpsClientProvider;
  38 import org.onap.aaf.certservice.client.httpclient.HttpClient;
  39 import org.onap.aaf.certservice.client.httpclient.model.CertServiceResponse;
  40 import org.slf4j.Logger;
  41 import org.slf4j.LoggerFactory;
  42
  43 import javax.net.ssl.SSLContext;
  44 import java.security.KeyPair;
  45
  46 import static org.onap.aaf.certservice.client.api.ExitStatus.SUCCESS;
  47 import static org.onap.aaf.certservice.client.certification.EncryptionAlgorithmConstants.KEY_SIZE;
  48 import static org.onap.aaf.certservice.client.certification.EncryptionAlgorithmConstants.RSA_ENCRYPTION_ALGORITHM;
  49
  50 public class CertServiceClient {
  51
  52     private static final Logger LOGGER = LoggerFactory.getLogger(CertServiceClient.class);
  53
  54     private AppExitHandler appExitHandler;
  55
  56     public CertServiceClient(AppExitHandler appExitHandler) {
  57         this.appExitHandler = appExitHandler;
  58     }
  59
  60     public void run() {
  61         KeyPairFactory keyPairFactory = new KeyPairFactory(RSA_ENCRYPTION_ALGORITHM, KEY_SIZE);
  62         PrivateKeyToPemEncoder pkEncoder = new PrivateKeyToPemEncoder();
  63         Base64Encoder base64Encoder = new Base64Encoder();
  64         try {
  65             ClientConfiguration clientConfiguration = new ClientConfigurationFactory(new EnvsForClient()).create();
  66             CsrConfiguration csrConfiguration = new CsrConfigurationFactory(new EnvsForCsr()).create();
  67             KeyPair keyPair = keyPairFactory.create();
  68             CsrFactory csrFactory = new CsrFactory(csrConfiguration);
  69             SSLContext sslContext = new SslContextFactory(new EnvsForTls()).create();
  70
  71             CloseableHttpsClientProvider provider = new CloseableHttpsClientProvider(
  72                     sslContext, clientConfiguration.getRequestTimeout());
  73             HttpClient httpClient = new HttpClient(provider, clientConfiguration.getUrlToCertService());
  74
  75             CertServiceResponse certServiceData =
  76                     httpClient.retrieveCertServiceData(
  77                             clientConfiguration.getCaName(),
  78                             base64Encoder.encode(csrFactory.createCsrInPem(keyPair)),
  79                             base64Encoder.encode(pkEncoder.encodePrivateKeyToPem(keyPair.getPrivate())));
  80
  81             KeystoreTruststoreCreator filesCreator = new KeystoreTruststoreCreatorFactory(
  82                     clientConfiguration.getCertsOutputPath()).create();
  83             filesCreator.createKeystore(certServiceData.getCertificateChain(), keyPair.getPrivate());
  84             filesCreator.createTruststore(certServiceData.getTrustedCertificates());
  85         } catch (ExitableException e) {
  86             LOGGER.error("Cert Service Client fail in execution: ", e);
  87             appExitHandler.exit(e.applicationExitStatus());
  88         }
  89         appExitHandler.exit(SUCCESS);
  90     }
  91 }