catalog-be/src/main/java/org/openecomp/sdc/be/externalapi/servlet/AssetsDataServlet.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * SDC
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.openecomp.sdc.be.externalapi.servlet;
  22
  23 import com.jcabi.aspects.Loggable;
  24 import fj.data.Either;
  25 import io.swagger.v3.oas.annotations.OpenAPIDefinition;
  26 import io.swagger.v3.oas.annotations.Operation;
  27 import io.swagger.v3.oas.annotations.Parameter;
  28 import io.swagger.v3.oas.annotations.info.Info;
  29 import io.swagger.v3.oas.annotations.media.ArraySchema;
  30 import io.swagger.v3.oas.annotations.media.Content;
  31 import io.swagger.v3.oas.annotations.media.Schema;
  32 import io.swagger.v3.oas.annotations.responses.ApiResponse;
  33 import io.swagger.v3.oas.annotations.responses.ApiResponses;
  34 import org.apache.commons.lang3.tuple.ImmutablePair;
  35 import org.openecomp.sdc.be.components.impl.ComponentBusinessLogic;
  36 import org.openecomp.sdc.be.components.impl.ComponentBusinessLogicProvider;
  37 import org.openecomp.sdc.be.components.impl.ComponentInstanceBusinessLogic;
  38 import org.openecomp.sdc.be.components.impl.ElementBusinessLogic;
  39 import org.openecomp.sdc.be.components.impl.ResourceBusinessLogic;
  40 import org.openecomp.sdc.be.components.impl.ResourceImportManager;
  41 import org.openecomp.sdc.be.components.impl.ServiceBusinessLogic;
  42 import org.openecomp.sdc.be.components.impl.aaf.AafPermission;
  43 import org.openecomp.sdc.be.components.impl.aaf.PermissionAllowed;
  44 import org.openecomp.sdc.be.components.impl.exceptions.ComponentException;
  45 import org.openecomp.sdc.be.config.BeEcompErrorManager;
  46 import org.openecomp.sdc.be.dao.api.ActionStatus;
  47 import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
  48 import org.openecomp.sdc.be.datatypes.enums.FilterKeyEnum;
  49 import org.openecomp.sdc.be.datatypes.enums.ResourceTypeEnum;
  50 import org.openecomp.sdc.be.ecomp.converters.AssetMetadataConverter;
  51 import org.openecomp.sdc.be.externalapi.servlet.representation.AssetMetadata;
  52 import org.openecomp.sdc.be.impl.ComponentsUtils;
  53 import org.openecomp.sdc.be.impl.ServletUtils;
  54 import org.openecomp.sdc.be.model.Component;
  55 import org.openecomp.sdc.be.resources.data.auditing.AuditingActionEnum;
  56 import org.openecomp.sdc.be.resources.data.auditing.model.DistributionData;
  57 import org.openecomp.sdc.be.resources.data.auditing.model.ResourceCommonInfo;
  58 import org.openecomp.sdc.be.servlets.AbstractValidationsServlet;
  59 import org.openecomp.sdc.be.servlets.RepresentationUtils;
  60 import org.openecomp.sdc.be.user.UserBusinessLogic;
  61 import org.openecomp.sdc.common.api.Constants;
  62 import org.openecomp.sdc.common.log.wrappers.Logger;
  63 import org.openecomp.sdc.common.util.GeneralUtility;
  64 import org.openecomp.sdc.exception.ResponseFormat;
  65 import org.springframework.stereotype.Controller;
  66
  67 import javax.inject.Inject;
  68 import javax.servlet.http.HttpServletRequest;
  69 import javax.ws.rs.GET;
  70 import javax.ws.rs.HeaderParam;
  71 import javax.ws.rs.Path;
  72 import javax.ws.rs.PathParam;
  73 import javax.ws.rs.Produces;
  74 import javax.ws.rs.QueryParam;
  75 import javax.ws.rs.core.Context;
  76 import javax.ws.rs.core.MediaType;
  77 import javax.ws.rs.core.Response;
  78 import java.io.ByteArrayInputStream;
  79 import java.io.IOException;
  80 import java.io.InputStream;
  81 import java.util.EnumMap;
  82 import java.util.HashMap;
  83 import java.util.List;
  84 import java.util.Map;
  85
  86 import static org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum.RESOURCE;
  87
  88 /**
  89  * This Servlet serves external users for retrieving component metadata.
  90  *
  91  * @author tgitelman
  92  *
  93  */
  94
  95 @Loggable(prepend = true, value = Loggable.DEBUG, trim = false)
  96 @Path("/v1/catalog")
  97 // for retrieving component metadata.")
  98 @OpenAPIDefinition(info = @Info(title = "Asset Metadata External Servlet",
  99         description = "This Servlet serves external users for retrieving component metadata."))
 100 @Controller
 101 public class AssetsDataServlet extends AbstractValidationsServlet {
 102
 103     @Context
 104     private HttpServletRequest request;
 105
 106     private static final Logger log = Logger.getLogger(AssetsDataServlet.class);
 107
 108     private final ElementBusinessLogic elementBusinessLogic;
 109     private final AssetMetadataConverter assetMetadataConverter;
 110     private final ServiceBusinessLogic serviceBusinessLogic;
 111     private final ResourceBusinessLogic resourceBusinessLogic;
 112     private final ComponentBusinessLogicProvider componentBusinessLogicProvider;
 113
 114     @Inject
 115     public AssetsDataServlet(UserBusinessLogic userBusinessLogic, ComponentInstanceBusinessLogic componentInstanceBL,
 116             ComponentsUtils componentsUtils, ServletUtils servletUtils, ResourceImportManager resourceImportManager,
 117             ElementBusinessLogic elementBusinessLogic, AssetMetadataConverter assetMetadataConverter,
 118             ComponentBusinessLogicProvider componentBusinessLogicProvider, ServiceBusinessLogic serviceBusinessLogic, ResourceBusinessLogic resourceBusinessLogic) {
 119         super(userBusinessLogic, componentInstanceBL, componentsUtils, servletUtils, resourceImportManager);
 120         this.elementBusinessLogic = elementBusinessLogic;
 121         this.assetMetadataConverter = assetMetadataConverter;
 122         this.serviceBusinessLogic = serviceBusinessLogic;
 123         this.resourceBusinessLogic = resourceBusinessLogic;
 124         this.componentBusinessLogicProvider = componentBusinessLogicProvider;
 125     }
 126
 127     @GET
 128     @Path("/{assetType}")
 129     @Produces(MediaType.APPLICATION_JSON)
 130     @Operation(description = "Fetch list of assets", method = "GET", summary = "Returns list of assets")
 131     @ApiResponses(value = {
 132             @ApiResponse(responseCode = "200",
 133                     description = "ECOMP component is authenticated and list of Catalog Assets Metadata is returned",
 134                     content = @Content(array = @ArraySchema(schema = @Schema(implementation = AssetMetadata.class)))),
 135             @ApiResponse(responseCode = "400", description = "Missing  'X-ECOMP-InstanceID'  HTTP header - POL5001"),
 136             @ApiResponse(responseCode = "401",
 137                     description = "ECOMP component  should authenticate itself  and  to  re-send  again  HTTP  request  with its Basic Authentication credentials - POL5002"),
 138             @ApiResponse(responseCode = "403", description = "ECOMP component is not authorized - POL5003"),
 139             @ApiResponse(responseCode = "405",
 140                     description = "Method  Not Allowed  :  Invalid HTTP method type used ( PUT,DELETE,POST will be rejected) - POL4050"),
 141             @ApiResponse(responseCode = "500",
 142                     description = "The GET request failed either due to internal SDC problem. ECOMP Component should continue the attempts to get the needed information - POL5000")})
 143     @PermissionAllowed(AafPermission.PermNames.READ_VALUE)
 144     public Response getAssetListExternal(
 145             @Parameter(description = "X-ECOMP-RequestID header",
 146                     required = false) @HeaderParam(value = Constants.X_ECOMP_REQUEST_ID_HEADER) String requestId,
 147             @Parameter(description = "X-ECOMP-InstanceID header", required = true) @HeaderParam(
 148                     value = Constants.X_ECOMP_INSTANCE_ID_HEADER) final String instanceIdHeader,
 149             @Parameter(description = "Determines the format of the body of the response",
 150                     required = false) @HeaderParam(value = Constants.ACCEPT_HEADER) String accept,
 151             @Parameter(description = "The username and password",
 152                     required = true) @HeaderParam(value = Constants.AUTHORIZATION_HEADER) String authorization,
 153             @Parameter(description = "The requested asset type",schema = @Schema(allowableValues = {"resources", "services"}),
 154                     required = true) @PathParam("assetType") final String assetType,
 155             @Parameter(description = "The filter key (resourceType only for resources)",
 156                     required = false) @QueryParam("category") String category,
 157             @Parameter(description = "The filter key (resourceType only for resources)",
 158                     required = false) @QueryParam("subCategory") String subCategory,
 159             @Parameter(description = "The filter key (resourceType only for resources)",
 160                     required = false) @QueryParam("distributionStatus") String distributionStatus,
 161             @Parameter(description = "The filter key (resourceType only for resources)",
 162                     required = false) @QueryParam("resourceType") String resourceType) throws IOException {
 163
 164         Response response = null;
 165         ResponseFormat responseFormat = null;
 166         String query = request.getQueryString();
 167         String requestURI = request.getRequestURI().endsWith("/")?
 168                 removeDuplicateSlashSeparator(request.getRequestURI()): request.getRequestURI();
 169         String url = request.getMethod() + " " + requestURI;
 170         log.debug("Start handle request of {}", url);
 171
 172         AuditingActionEnum auditingActionEnum = query == null ? AuditingActionEnum.GET_ASSET_LIST : AuditingActionEnum.GET_FILTERED_ASSET_LIST;
 173
 174         String resourceUrl = query == null ? requestURI : requestURI + "?" + query;
 175         DistributionData distributionData = new DistributionData(instanceIdHeader, resourceUrl);
 176
 177         // Mandatory
 178         if (instanceIdHeader == null || instanceIdHeader.isEmpty()) {
 179             log.debug("getAssetList: Missing X-ECOMP-InstanceID header");
 180             responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.MISSING_X_ECOMP_INSTANCE_ID);
 181             getComponentsUtils().auditExternalGetAssetList(responseFormat, auditingActionEnum, distributionData, requestId);
 182             return buildErrorResponse(responseFormat);
 183         }
 184
 185         try {
 186             Map<FilterKeyEnum, String> filters = new EnumMap<>(FilterKeyEnum.class);
 187
 188             if (category != null) {
 189                 filters.put(FilterKeyEnum.CATEGORY, category);
 190             }
 191             if (subCategory != null) {
 192                 filters.put(FilterKeyEnum.SUB_CATEGORY, subCategory);
 193             }
 194             if (distributionStatus != null) {
 195                 filters.put(FilterKeyEnum.DISTRIBUTION_STATUS, distributionStatus);
 196             }
 197             if (resourceType != null) {
 198                 ResourceTypeEnum resourceTypeEnum = ResourceTypeEnum.getTypeIgnoreCase(resourceType);
 199                 if (resourceTypeEnum == null) {
 200                     log.debug("getAssetList: Asset Fetching Failed. Invalid resource type was received");
 201                     responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.INVALID_CONTENT);
 202                     getComponentsUtils().auditExternalGetAssetList(responseFormat, auditingActionEnum, distributionData, requestId);
 203                     return buildErrorResponse(responseFormat);
 204                 }
 205                 filters.put(FilterKeyEnum.RESOURCE_TYPE, resourceTypeEnum.name());
 206             }
 207
 208             Either<List<? extends Component>, ResponseFormat> assetTypeData = elementBusinessLogic.getFilteredCatalogComponents(assetType, filters, query);
 209
 210             if (assetTypeData.isRight()) {
 211                 log.debug("getAssetList: Asset Fetching Failed");
 212                 responseFormat = assetTypeData.right().value();
 213                 getComponentsUtils().auditExternalGetAssetList(responseFormat, auditingActionEnum, distributionData, requestId);
 214                 return buildErrorResponse(responseFormat);
 215             } else {
 216                 log.debug("getAssetList: Asset Fetching Success");
 217                 Either<List<? extends AssetMetadata>, ResponseFormat> resMetadata = assetMetadataConverter.convertToAssetMetadata(assetTypeData.left().value(), requestURI, false);
 218                 if (resMetadata.isRight()) {
 219                     log.debug("getAssetList: Asset conversion Failed");
 220                     responseFormat = resMetadata.right().value();
 221                     getComponentsUtils().auditExternalGetAssetList(responseFormat, auditingActionEnum, distributionData, requestId);
 222                     return buildErrorResponse(responseFormat);
 223                 }
 224                 Object result = RepresentationUtils.toRepresentation(resMetadata.left().value());
 225                 responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.OK);
 226                 getComponentsUtils().auditExternalGetAssetList(responseFormat, auditingActionEnum, distributionData, requestId);
 227
 228                 response = buildOkResponse(responseFormat, result);
 229                 return response;
 230             }
 231         } catch (Exception e) {
 232             BeEcompErrorManager.getInstance().logBeRestApiGeneralError("Fetch filtered list of assets");
 233             log.debug("getAssetList: Fetch list of assets failed with exception", e);
 234             throw e;
 235         }
 236     }
 237
 238     /**
 239      *
 240      * @param requestId
 241      * @param instanceIdHeader
 242      * @param accept
 243      * @param authorization
 244      * @param assetType
 245      * @param uuid
 246      * @return
 247      */
 248     @GET
 249     @Path("/{assetType}/{uuid}/metadata")
 250     @Produces(MediaType.APPLICATION_JSON)
 251     @Operation(description = "Detailed metadata of asset by uuid", method = "GET",
 252             summary = "Returns detailed metadata of an asset by uuid")
 253     @ApiResponses(value = {
 254             @ApiResponse(responseCode = "200",
 255                     description = "ECOMP component is authenticated and list of Catalog Assets Metadata is returned",
 256                     content = @Content(array = @ArraySchema(schema = @Schema(implementation = AssetMetadata.class)))),
 257             @ApiResponse(responseCode = "400", description = "Missing  'X-ECOMP-InstanceID'  HTTP header - POL5001"),
 258             @ApiResponse(responseCode = "401",
 259                     description = "ECOMP component  should authenticate itself  and  to  re-send  again  HTTP  request  with its Basic Authentication credentials - POL5002"),
 260             @ApiResponse(responseCode = "403", description = "ECOMP component is not authorized - POL5003"),
 261             @ApiResponse(responseCode = "404",
 262                     description = "Error: Requested '%1' (uuid) resource was not found - SVC4063"),
 263             @ApiResponse(responseCode = "405",
 264                     description = "Method  Not Allowed  :  Invalid HTTP method type used ( PUT,DELETE,POST will be rejected) - POL4050"),
 265             @ApiResponse(responseCode = "500",
 266                     description = "The GET request failed either due to internal SDC problem. ECOMP Component should continue the attempts to get the needed information - POL5000")})
 267     @PermissionAllowed(AafPermission.PermNames.READ_VALUE)
 268     public Response getAssetSpecificMetadataByUuidExternal(
 269             @Parameter(description = "X-ECOMP-RequestID header",
 270                     required = false) @HeaderParam(value = Constants.X_ECOMP_REQUEST_ID_HEADER) String requestId,
 271             @Parameter(description = "X-ECOMP-InstanceID header", required = true) @HeaderParam(
 272                     value = Constants.X_ECOMP_INSTANCE_ID_HEADER) final String instanceIdHeader,
 273             @Parameter(description = "Determines the format of the body of the response",
 274                     required = false) @HeaderParam(value = Constants.ACCEPT_HEADER) String accept,
 275             @Parameter(description = "The username and password",
 276                     required = true) @HeaderParam(value = Constants.AUTHORIZATION_HEADER) String authorization,
 277             @Parameter(description = "The requested asset type",schema = @Schema(allowableValues = {"resources", "services"}),
 278                     required = true) @PathParam("assetType") final String assetType,
 279             @Parameter(description = "The requested asset uuid",
 280                     required = true) @PathParam("uuid") final String uuid) throws IOException {
 281
 282         Response response = null;
 283         ResponseFormat responseFormat = null;
 284         AuditingActionEnum auditingActionEnum = AuditingActionEnum.GET_ASSET_METADATA;
 285         String requestURI = request.getRequestURI();
 286         String url = request.getMethod() + " " + requestURI;
 287         log.debug("Start handle request of {}", url);
 288
 289         ComponentTypeEnum componentType = ComponentTypeEnum.findByParamName(assetType);
 290         ResourceCommonInfo resourceCommonInfo = new ResourceCommonInfo(componentType.getValue());
 291         DistributionData distributionData = new DistributionData(instanceIdHeader, requestURI);
 292         // Mandatory
 293         if (instanceIdHeader == null || instanceIdHeader.isEmpty()) {
 294             log.debug("getAssetList: Missing X-ECOMP-InstanceID header");
 295             responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.MISSING_X_ECOMP_INSTANCE_ID);
 296             getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,
 297                     resourceCommonInfo, requestId, uuid);
 298             return buildErrorResponse(responseFormat);
 299         }
 300
 301         try {
 302
 303             Either<List<? extends Component>, ResponseFormat> assetTypeData = elementBusinessLogic.getCatalogComponentsByUuidAndAssetType(assetType, uuid);
 304
 305             if (assetTypeData.isRight()) {
 306                 log.debug("getAssetList: Asset Fetching Failed");
 307                 responseFormat = assetTypeData.right().value();
 308                 getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,
 309                         resourceCommonInfo, requestId, uuid);
 310
 311                 return buildErrorResponse(responseFormat);
 312             }
 313             resourceCommonInfo.setResourceName(assetTypeData.left().value().iterator().next().getName());
 314             log.debug("getAssetList: Asset Fetching Success");
 315             Either<List<? extends AssetMetadata>, ResponseFormat> resMetadata = assetMetadataConverter.convertToAssetMetadata(assetTypeData.left().value(), requestURI, true);
 316             if (resMetadata.isRight()) {
 317                 log.debug("getAssetList: Asset conversion Failed");
 318                 responseFormat = resMetadata.right().value();
 319
 320                 getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,
 321                         resourceCommonInfo, requestId, uuid);
 322                 return buildErrorResponse(responseFormat);
 323             }
 324             Object result = RepresentationUtils.toRepresentation(resMetadata.left().value().iterator().next());
 325             responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.OK);
 326             getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,
 327                     resourceCommonInfo, requestId, uuid);
 328
 329             response = buildOkResponse(responseFormat, result);
 330             return response;
 331
 332         } catch (Exception e) {
 333             BeEcompErrorManager.getInstance().logBeRestApiGeneralError("Fetch filtered list of assets");
 334             log.debug("getAssetList: Fetch list of assets failed with exception", e);
 335             throw e;
 336         }
 337     }
 338
 339     private ComponentBusinessLogic getComponentBLByType(ComponentTypeEnum componentTypeEnum) {
 340         if(componentTypeEnum.equals(RESOURCE)) {
 341             return resourceBusinessLogic;
 342         } else {
 343             // Implementation is the same for any ComponentBusinessLogic
 344             return serviceBusinessLogic;
 345         }
 346     }
 347
 348     /**
 349      *
 350      * @param requestId
 351      * @param instanceIdHeader
 352      * @param accept
 353      * @param authorization
 354      * @param assetType
 355      * @param uuid
 356      * @return
 357      */
 358
 359     @GET
 360     @Path("/{assetType}/{uuid}/toscaModel")
 361     @Produces(MediaType.APPLICATION_OCTET_STREAM)
 362     @Operation(description = "Fetch assets CSAR", method = "GET", summary = "Returns asset csar",
 363             responses = @ApiResponse(
 364                     content = @Content(array = @ArraySchema(schema = @Schema(implementation = String.class)))))
 365     @ApiResponses(value = {
 366             @ApiResponse(responseCode = "200",
 367                     description = "ECOMP component is authenticated and list of Catalog Assets Metadata is returned",
 368                     content = @Content(array = @ArraySchema(schema = @Schema(implementation = String.class)))),
 369             @ApiResponse(responseCode = "400", description = "Missing  'X-ECOMP-InstanceID'  HTTP header - POL5001"),
 370             @ApiResponse(responseCode = "401",
 371                     description = "ECOMP component  should authenticate itself  and  to  re-send  again  HTTP  request  with its Basic Authentication credentials - POL5002"),
 372             @ApiResponse(responseCode = "403", description = "ECOMP component is not authorized - POL5003"),
 373             @ApiResponse(responseCode = "404",
 374                     description = "Error: Requested '%1' (uuid) resource was not found - SVC4063"),
 375             @ApiResponse(responseCode = "405",
 376                     description = "Method  Not Allowed  :  Invalid HTTP method type used ( PUT,DELETE,POST will be rejected) - POL4050"),
 377             @ApiResponse(responseCode = "500",
 378                     description = "The GET request failed either due to internal SDC problem. ECOMP Component should continue the attempts to get the needed information - POL5000")})
 379     @PermissionAllowed(AafPermission.PermNames.READ_VALUE)
 380     public Response getToscaModelExternal(
 381             @Parameter(description = "X-ECOMP-RequestID header",
 382                     required = false) @HeaderParam(value = Constants.X_ECOMP_REQUEST_ID_HEADER) String requestId,
 383             @Parameter(description = "X-ECOMP-InstanceID header", required = true) @HeaderParam(
 384                     value = Constants.X_ECOMP_INSTANCE_ID_HEADER) final String instanceIdHeader,
 385             @Parameter(description = "Determines the format of the body of the response",
 386                     required = false) @HeaderParam(value = Constants.ACCEPT_HEADER) String accept,
 387             @Parameter(description = "The username and password",
 388                     required = true) @HeaderParam(value = Constants.AUTHORIZATION_HEADER) String authorization,
 389             @Parameter(description = "The requested asset type",schema = @Schema(allowableValues = {"resources", "services"}),
 390                     required = true) @PathParam("assetType") final String assetType,
 391             @Parameter(description = "The requested asset uuid",
 392                     required = true) @PathParam("uuid") final String uuid) {
 393
 394         String url = request.getRequestURI();
 395         log.debug("Start handle request of {} {}", request.getMethod(), url);
 396         Response response = null;
 397         ResponseFormat responseFormat = null;
 398         ComponentTypeEnum componentType = ComponentTypeEnum.findByParamName(assetType);
 399         AuditingActionEnum auditingActionEnum = AuditingActionEnum.GET_TOSCA_MODEL;
 400
 401         ResourceCommonInfo resourceCommonInfo = new ResourceCommonInfo(componentType.getValue());
 402         DistributionData distributionData = new DistributionData(instanceIdHeader, url);
 403
 404         if (instanceIdHeader == null || instanceIdHeader.isEmpty()) {
 405             log.debug("getToscaModel: Missing X-ECOMP-InstanceID header");
 406             responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.MISSING_X_ECOMP_INSTANCE_ID);
 407             getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,
 408                     resourceCommonInfo, requestId, uuid);
 409             return buildErrorResponse(responseFormat);
 410         }
 411
 412         try {
 413             ComponentBusinessLogic componentBusinessLogic = getComponentBLByType(componentType);
 414             ImmutablePair<String, byte[]> csarArtifact = componentBusinessLogic.getToscaModelByComponentUuid(componentType, uuid, resourceCommonInfo);
 415             byte[] value = csarArtifact.getRight();
 416             InputStream is = new ByteArrayInputStream(value);
 417             String contenetMD5 = GeneralUtility.calculateMD5Base64EncodedByByteArray(value);
 418             Map<String, String> headers = new HashMap<>();
 419             headers.put(Constants.CONTENT_DISPOSITION_HEADER, getContentDispositionValue(csarArtifact.getLeft()));
 420             headers.put(Constants.MD5_HEADER, contenetMD5);
 421             responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.OK);
 422             getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,
 423                     resourceCommonInfo, requestId, uuid);
 424             response = buildOkResponse(responseFormat, is, headers);
 425             return response;
 426
 427         } catch (ComponentException e) {
 428             responseFormat = e.getResponseFormat();
 429             getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,
 430                     resourceCommonInfo, requestId, uuid);
 431             BeEcompErrorManager.getInstance().logBeRestApiGeneralError("Get asset tosca model");
 432             log.debug("failed to get asset tosca model", e);
 433             response = buildErrorResponse(responseFormat);
 434             getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,
 435                     resourceCommonInfo, requestId, uuid);
 436             return response;
 437         }
 438     }
 439
 440
 441     private String removeDuplicateSlashSeparator(String requestUri) {
 442         return requestUri.substring(0, requestUri.length()-1);
 443     }
 444 }