adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/packagemanagement/subscriptionmanagement/SubscriptionManager.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2020 Nordix Foundation.
   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
  21 package org.onap.so.adapters.vnfmadapter.packagemanagement.subscriptionmanagement;
  22
  23 import static org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.SubscriptionAuthentication.AuthTypeEnum.BASIC;
  24 import static org.slf4j.LoggerFactory.getLogger;
  25 import java.net.URI;
  26 import java.security.GeneralSecurityException;
  27 import java.util.ArrayList;
  28 import java.util.List;
  29 import java.util.Map;
  30 import java.util.Objects;
  31 import java.util.Optional;
  32 import org.onap.so.adapters.vnfmadapter.Constants;
  33 import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.EtsiCatalogServiceProvider;
  34 import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.BasicAuth;
  35 import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.PkgmSubscription;
  36 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.packagemanagement.model.InlineResponse2002;
  37 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.packagemanagement.model.PkgmSubscriptionRequest;
  38 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.packagemanagement.model.SubscriptionsLinks;
  39 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.packagemanagement.model.VnfPackagesLinksSelf;
  40 import org.onap.so.adapters.vnfmadapter.packagemanagement.subscriptionmanagement.cache.PackageManagementCacheServiceProvider;
  41 import org.onap.so.adapters.vnfmadapter.rest.exceptions.InternalServerErrorException;
  42 import org.onap.so.adapters.vnfmadapter.rest.exceptions.SubscriptionRequestConversionException;
  43 import org.onap.so.utils.CryptoUtils;
  44 import org.slf4j.Logger;
  45 import org.springframework.beans.factory.annotation.Autowired;
  46 import org.springframework.beans.factory.annotation.Value;
  47 import org.springframework.core.convert.ConversionException;
  48 import org.springframework.core.convert.ConversionService;
  49 import org.springframework.stereotype.Service;
  50
  51 /**
  52  * Manages package management subscriptions from the VNFMs
  53  *
  54  * @author Ronan Kenny (ronan.kenny@est.tech)
  55  * @author Gareth Roper (gareth.roper@est.tech)
  56  */
  57 @Service
  58 public class SubscriptionManager {
  59
  60     private static final Logger logger = getLogger(SubscriptionManager.class);
  61     private final PackageManagementCacheServiceProvider packageManagementCacheServiceProvider;
  62     private final ConversionService conversionService;
  63     private final EtsiCatalogServiceProvider etsiCatalogServiceProvider;
  64     private final String vnfmAdapterEndpoint;
  65     private final String msoKeyString;
  66     private final String vnfmAdapterAuth;
  67
  68
  69     @Autowired
  70     public SubscriptionManager(final PackageManagementCacheServiceProvider packageManagementCacheServiceProvider,
  71             final ConversionService conversionService, final EtsiCatalogServiceProvider etsiCatalogServiceProvider,
  72             @Value("${vnfmadapter.endpoint}") final String vnfmAdapterEndpoint,
  73             @Value("${mso.key}") final String msoKeyString,
  74             @Value("${vnfmadapter.auth:BF29BA36F0CFE1C05507781F6B97EFBCA7EFAC9F595954D465FC43F646883EF585C20A58CBB02528A6FAAC}") final String vnfmAdapterAuth) {
  75         this.packageManagementCacheServiceProvider = packageManagementCacheServiceProvider;
  76         this.conversionService = conversionService;
  77         this.etsiCatalogServiceProvider = etsiCatalogServiceProvider;
  78         this.vnfmAdapterEndpoint = vnfmAdapterEndpoint;
  79         this.vnfmAdapterAuth = vnfmAdapterAuth;
  80         this.msoKeyString = msoKeyString;
  81     }
  82
  83     public Optional<InlineResponse2002> createSubscription(final PkgmSubscriptionRequest pkgmSubscriptionRequest)
  84             throws GeneralSecurityException {
  85
  86         final org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.PkgmSubscriptionRequest etsiCatalogManagerSubscriptionRequest =
  87                 buildEtsiCatalogManagerPkgmSubscriptionRequest(pkgmSubscriptionRequest);
  88
  89         final Optional<PkgmSubscription> optionalEtsiCatalogManagerSubscription =
  90                 etsiCatalogServiceProvider.postSubscription(etsiCatalogManagerSubscriptionRequest);
  91
  92         if (optionalEtsiCatalogManagerSubscription.isPresent()) {
  93             PkgmSubscription etsiCatalogManagerSubscription = optionalEtsiCatalogManagerSubscription.get();
  94             logger.debug("postPkgmSubscriptionRequest Response SubscriptionId: {}",
  95                     Objects.requireNonNull(etsiCatalogManagerSubscription.getId()));
  96             final String subscriptionId = etsiCatalogManagerSubscription.getId();
  97
  98             packageManagementCacheServiceProvider.addSubscription(subscriptionId, pkgmSubscriptionRequest);
  99
 100             final InlineResponse2002 response2002 = new InlineResponse2002();
 101             response2002.setId(subscriptionId);
 102             response2002.setFilter(pkgmSubscriptionRequest.getFilter());
 103             response2002.setCallbackUri(getSubscriptionUri(subscriptionId).toString());
 104             response2002.setLinks(new SubscriptionsLinks()
 105                     .self(new VnfPackagesLinksSelf().href(getSubscriptionUri(subscriptionId).toString())));
 106
 107             return Optional.of(response2002);
 108         }
 109         throw new InternalServerErrorException(
 110                 "Received empty response from POST to ETSI Catalog Manager Subscription Endpoint.");
 111     }
 112
 113
 114     public Optional<String> getSubscriptionId(final PkgmSubscriptionRequest pkgmSubscriptionRequest) {
 115         return packageManagementCacheServiceProvider.getSubscriptionId(pkgmSubscriptionRequest);
 116     }
 117
 118     public Optional<InlineResponse2002> getSubscription(final String subscriptionId) {
 119         final Optional<PkgmSubscriptionRequest> optional =
 120                 packageManagementCacheServiceProvider.getSubscription(subscriptionId);
 121         if (optional.isPresent()) {
 122             final PkgmSubscriptionRequest subscription = optional.get();
 123             return Optional.of(getInlineResponse2002(subscriptionId, subscription));
 124         }
 125         return Optional.empty();
 126     }
 127
 128     public List<InlineResponse2002> getSubscriptions() {
 129         final Map<String, PkgmSubscriptionRequest> subscriptions =
 130                 packageManagementCacheServiceProvider.getSubscriptions();
 131         final List<InlineResponse2002> response = new ArrayList<>();
 132         subscriptions.forEach((key, value) -> response.add(getInlineResponse2002(key, value)));
 133         return response;
 134     }
 135
 136     public boolean deleteSubscription(final String subscriptionId) {
 137         if (getSubscription(subscriptionId).isPresent()) {
 138             if (etsiCatalogServiceProvider.deleteSubscription(subscriptionId)) {
 139                 return packageManagementCacheServiceProvider.deleteSubscription(subscriptionId);
 140             }
 141         }
 142         return false;
 143     }
 144
 145     public URI getSubscriptionUri(final String subscriptionId) {
 146         return URI.create(
 147                 vnfmAdapterEndpoint + Constants.PACKAGE_MANAGEMENT_BASE_URL + "/subscriptions/" + subscriptionId);
 148     }
 149
 150     private InlineResponse2002 getInlineResponse2002(final String id, final PkgmSubscriptionRequest subscription) {
 151         return new InlineResponse2002().id(id).filter(subscription.getFilter())
 152                 .callbackUri(subscription.getCallbackUri());
 153     }
 154
 155     private org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.PkgmSubscriptionRequest buildEtsiCatalogManagerPkgmSubscriptionRequest(
 156             PkgmSubscriptionRequest pkgmSubscriptionRequest) throws GeneralSecurityException {
 157
 158         final org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.PkgmSubscriptionRequest etsiCatalogManagerSubscriptionRequest;
 159         try {
 160             etsiCatalogManagerSubscriptionRequest = conversionService.convert(pkgmSubscriptionRequest,
 161                     org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.PkgmSubscriptionRequest.class);
 162         } catch (ConversionException conversionException) {
 163             logger.error(conversionException.getMessage());
 164             throw new SubscriptionRequestConversionException(
 165                     "Could not convert Sol003 PkgmSubscriptionRequest to ETSI-Catalog Manager PkgmSubscriptionRequest");
 166         } catch (Exception exception) {
 167             logger.error(exception.getMessage());
 168             throw new InternalServerErrorException(
 169                     "Could not convert Sol003 PkgmSubscriptionRequest to ETSI-Catalog Manager PkgmSubscriptionRequest");
 170         }
 171
 172         if (etsiCatalogManagerSubscriptionRequest != null) {
 173             etsiCatalogManagerSubscriptionRequest
 174                     .setCallbackUri(vnfmAdapterEndpoint + Constants.ETSI_SUBSCRIPTION_NOTIFICATION_BASE_URL);
 175
 176             final String[] auth = decryptAuth();
 177             final String username = auth[0];
 178             final String password = auth[1];
 179
 180             etsiCatalogManagerSubscriptionRequest.setAuthentication(
 181                     new org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.SubscriptionAuthentication()
 182                             .addAuthTypeItem(BASIC).paramsBasic(new BasicAuth().userName(username).password(password)));
 183             return etsiCatalogManagerSubscriptionRequest;
 184         }
 185         throw new SubscriptionRequestConversionException(
 186                 "Failed to convert Sol003 PkgmSubscriptionRequest to ETSI-Catalog Manager PkgmSubscriptionRequest");
 187     }
 188
 189     private String[] decryptAuth() throws GeneralSecurityException {
 190         final String decryptedAuth = CryptoUtils.decrypt(vnfmAdapterAuth, msoKeyString);
 191         final String[] auth = decryptedAuth.split(":");
 192         return auth;
 193     }
 194
 195 }