Catalog alignment
[sdc.git] / catalog-be / src / main / java / org / openecomp / sdc / be / externalapi / servlet / AssetsDataServlet.java
index 4c91ab4..8ad80d8 100644 (file)
-/*-\r
- * ============LICENSE_START=======================================================\r
- * SDC\r
- * ================================================================================\r
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.\r
- * ================================================================================\r
- * Licensed under the Apache License, Version 2.0 (the "License");\r
- * you may not use this file except in compliance with the License.\r
- * You may obtain a copy of the License at\r
- * \r
- *      http://www.apache.org/licenses/LICENSE-2.0\r
- * \r
- * Unless required by applicable law or agreed to in writing, software\r
- * distributed under the License is distributed on an "AS IS" BASIS,\r
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
- * See the License for the specific language governing permissions and\r
- * limitations under the License.\r
- * ============LICENSE_END=========================================================\r
- */\r
-\r
-package org.openecomp.sdc.be.externalapi.servlet;\r
-\r
-import java.io.ByteArrayInputStream;\r
-import java.io.InputStream;\r
-import java.util.EnumMap;\r
-import java.util.HashMap;\r
-import java.util.List;\r
-import java.util.Map;\r
-import javax.inject.Inject;\r
-import javax.inject.Singleton;\r
-import javax.servlet.http.HttpServletRequest;\r
-import javax.ws.rs.GET;\r
-import javax.ws.rs.HeaderParam;\r
-import javax.ws.rs.Path;\r
-import javax.ws.rs.PathParam;\r
-import javax.ws.rs.Produces;\r
-import javax.ws.rs.QueryParam;\r
-import javax.ws.rs.core.Context;\r
-import javax.ws.rs.core.MediaType;\r
-import javax.ws.rs.core.Response;\r
-import org.apache.commons.lang3.tuple.ImmutablePair;\r
-import org.openecomp.sdc.be.components.impl.ComponentBusinessLogic;\r
-import org.openecomp.sdc.be.components.impl.ComponentBusinessLogicProvider;\r
-import org.openecomp.sdc.be.components.impl.ComponentInstanceBusinessLogic;\r
-import org.openecomp.sdc.be.components.impl.ElementBusinessLogic;\r
-import org.openecomp.sdc.be.components.impl.ResourceImportManager;\r
-import org.openecomp.sdc.be.config.BeEcompErrorManager;\r
-import org.openecomp.sdc.be.dao.api.ActionStatus;\r
-import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;\r
-import org.openecomp.sdc.be.datatypes.enums.FilterKeyEnum;\r
-import org.openecomp.sdc.be.datatypes.enums.ResourceTypeEnum;\r
-import org.openecomp.sdc.be.ecomp.converters.AssetMetadataConverter;\r
-import org.openecomp.sdc.be.externalapi.servlet.representation.AssetMetadata;\r
-import org.openecomp.sdc.be.impl.ComponentsUtils;\r
-import org.openecomp.sdc.be.impl.ServletUtils;\r
-import org.openecomp.sdc.be.model.Component;\r
-import org.openecomp.sdc.be.resources.data.auditing.AuditingActionEnum;\r
-import org.openecomp.sdc.be.resources.data.auditing.model.DistributionData;\r
-import org.openecomp.sdc.be.resources.data.auditing.model.ResourceCommonInfo;\r
-import org.openecomp.sdc.be.servlets.AbstractValidationsServlet;\r
-import org.openecomp.sdc.be.servlets.RepresentationUtils;\r
-import org.openecomp.sdc.be.user.UserBusinessLogic;\r
-import org.openecomp.sdc.common.api.Constants;\r
-import org.openecomp.sdc.common.log.wrappers.Logger;\r
-import org.openecomp.sdc.common.util.GeneralUtility;\r
-import org.openecomp.sdc.exception.ResponseFormat;\r
-import com.jcabi.aspects.Loggable;\r
-import fj.data.Either;\r
-import io.swagger.v3.oas.annotations.OpenAPIDefinition;\r
-import io.swagger.v3.oas.annotations.Operation;\r
-import io.swagger.v3.oas.annotations.Parameter;\r
-import io.swagger.v3.oas.annotations.info.Info;\r
-import io.swagger.v3.oas.annotations.media.ArraySchema;\r
-import io.swagger.v3.oas.annotations.media.Content;\r
-import io.swagger.v3.oas.annotations.media.Schema;\r
-import io.swagger.v3.oas.annotations.responses.ApiResponse;\r
-import io.swagger.v3.oas.annotations.responses.ApiResponses;\r
-\r
-/**\r
- * This Servlet serves external users for retrieving component metadata.\r
- * \r
- * @author tgitelman\r
- *\r
- */\r
-\r
-@Loggable(prepend = true, value = Loggable.DEBUG, trim = false)\r
-@Path("/v1/catalog")\r
-// for retrieving component metadata.")\r
-@OpenAPIDefinition(info = @Info(title = "Asset Metadata External Servlet",\r
-        description = "This Servlet serves external users for retrieving component metadata."))\r
-@Singleton\r
-public class AssetsDataServlet extends AbstractValidationsServlet {\r
-\r
-    @Context\r
-    private HttpServletRequest request;\r
-\r
-    private static final Logger log = Logger.getLogger(AssetsDataServlet.class);\r
-    private final ElementBusinessLogic elementBusinessLogic;\r
-    private final AssetMetadataConverter assetMetadataConverter;\r
-    private final ComponentBusinessLogicProvider componentBusinessLogicProvider;\r
-\r
-    @Inject\r
-    public AssetsDataServlet(UserBusinessLogic userBusinessLogic, ComponentInstanceBusinessLogic componentInstanceBL,\r
-            ComponentsUtils componentsUtils, ServletUtils servletUtils, ResourceImportManager resourceImportManager,\r
-            ElementBusinessLogic elementBusinessLogic, AssetMetadataConverter assetMetadataConverter,\r
-            ComponentBusinessLogicProvider componentBusinessLogicProvider) {\r
-        super(userBusinessLogic, componentInstanceBL, componentsUtils, servletUtils, resourceImportManager);\r
-        this.elementBusinessLogic = elementBusinessLogic;\r
-        this.assetMetadataConverter = assetMetadataConverter;\r
-        this.componentBusinessLogicProvider = componentBusinessLogicProvider;\r
-    }\r
-\r
-    /**\r
-     *\r
-     * @param requestId\r
-     * @param instanceIdHeader\r
-     * @param accept\r
-     * @param authorization\r
-     * @param assetType\r
-     * @param category\r
-     * @param subCategory\r
-     * @param distributionStatus\r
-     * @param resourceType\r
-     * @return\r
-     */\r
-    @GET\r
-    @Path("/{assetType}")\r
-    @Produces(MediaType.APPLICATION_JSON)\r
-    @Operation(description = "Fetch list of assets", method = "GET", summary = "Returns list of assets")\r
-    @ApiResponses(value = {\r
-            @ApiResponse(responseCode = "200",\r
-                    description = "ECOMP component is authenticated and list of Catalog Assets Metadata is returned",\r
-                    content = @Content(array = @ArraySchema(schema = @Schema(implementation = AssetMetadata.class)))),\r
-            @ApiResponse(responseCode = "400", description = "Missing  'X-ECOMP-InstanceID'  HTTP header - POL5001"),\r
-            @ApiResponse(responseCode = "401",\r
-                    description = "ECOMP component  should authenticate itself  and  to  re-send  again  HTTP  request  with its Basic Authentication credentials - POL5002"),\r
-            @ApiResponse(responseCode = "403", description = "ECOMP component is not authorized - POL5003"),\r
-            @ApiResponse(responseCode = "405",\r
-                    description = "Method  Not Allowed  :  Invalid HTTP method type used ( PUT,DELETE,POST will be rejected) - POL4050"),\r
-            @ApiResponse(responseCode = "500",\r
-                    description = "The GET request failed either due to internal SDC problem. ECOMP Component should continue the attempts to get the needed information - POL5000")})\r
-    public Response getAssetListExternal(\r
-            @Parameter(description = "X-ECOMP-RequestID header",\r
-                    required = false) @HeaderParam(value = Constants.X_ECOMP_REQUEST_ID_HEADER) String requestId,\r
-            @Parameter(description = "X-ECOMP-InstanceID header", required = true) @HeaderParam(\r
-                    value = Constants.X_ECOMP_INSTANCE_ID_HEADER) final String instanceIdHeader,\r
-            @Parameter(description = "Determines the format of the body of the response",\r
-                    required = false) @HeaderParam(value = Constants.ACCEPT_HEADER) String accept,\r
-            @Parameter(description = "The username and password",\r
-                    required = true) @HeaderParam(value = Constants.AUTHORIZATION_HEADER) String authorization,\r
-            @Parameter(description = "The requested asset type",schema = @Schema(allowableValues = {"resources", "services"}),\r
-                    required = true) @PathParam("assetType") final String assetType,\r
-            @Parameter(description = "The filter key (resourceType only for resources)",\r
-                    required = false) @QueryParam("category") String category,\r
-            @Parameter(description = "The filter key (resourceType only for resources)",\r
-                    required = false) @QueryParam("subCategory") String subCategory,\r
-            @Parameter(description = "The filter key (resourceType only for resources)",\r
-                    required = false) @QueryParam("distributionStatus") String distributionStatus,\r
-            @Parameter(description = "The filter key (resourceType only for resources)",\r
-                    required = false) @QueryParam("resourceType") String resourceType) {\r
-\r
-        Response response = null;\r
-        ResponseFormat responseFormat = null;\r
-        String query = request.getQueryString();\r
-        String requestURI =\r
-                request.getRequestURI().endsWith("/") ? removeDuplicateSlashSeparator(request.getRequestURI())\r
-                        : request.getRequestURI();\r
-        String url = request.getMethod() + " " + requestURI;\r
-        log.debug("Start handle request of {}", url);\r
-\r
-        AuditingActionEnum auditingActionEnum =\r
-                query == null ? AuditingActionEnum.GET_ASSET_LIST : AuditingActionEnum.GET_FILTERED_ASSET_LIST;\r
-\r
-        String resourceUrl = query == null ? requestURI : requestURI + "?" + query;\r
-        DistributionData distributionData = new DistributionData(instanceIdHeader, resourceUrl);\r
-\r
-        // Mandatory\r
-        if (instanceIdHeader == null || instanceIdHeader.isEmpty()) {\r
-            log.debug("getAssetList: Missing X-ECOMP-InstanceID header");\r
-            responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.MISSING_X_ECOMP_INSTANCE_ID);\r
-            getComponentsUtils().auditExternalGetAssetList(responseFormat, auditingActionEnum, distributionData,\r
-                    requestId);\r
-            return buildErrorResponse(responseFormat);\r
-        }\r
-\r
-        try {\r
-            Map<FilterKeyEnum, String> filters = new EnumMap<>(FilterKeyEnum.class);\r
-\r
-            if (category != null) {\r
-                filters.put(FilterKeyEnum.CATEGORY, category);\r
-            }\r
-            if (subCategory != null) {\r
-                filters.put(FilterKeyEnum.SUB_CATEGORY, subCategory);\r
-            }\r
-            if (distributionStatus != null) {\r
-                filters.put(FilterKeyEnum.DISTRIBUTION_STATUS, distributionStatus);\r
-            }\r
-            if (resourceType != null) {\r
-                ResourceTypeEnum resourceTypeEnum = ResourceTypeEnum.getTypeIgnoreCase(resourceType);\r
-                if (resourceTypeEnum == null) {\r
-                    log.debug("getAssetList: Asset Fetching Failed. Invalid resource type was received");\r
-                    responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.INVALID_CONTENT);\r
-                    getComponentsUtils().auditExternalGetAssetList(responseFormat, auditingActionEnum, distributionData,\r
-                            requestId);\r
-                    return buildErrorResponse(responseFormat);\r
-                }\r
-                filters.put(FilterKeyEnum.RESOURCE_TYPE, resourceTypeEnum.name());\r
-            }\r
-\r
-            Either<List<? extends Component>, ResponseFormat> assetTypeData =\r
-                    elementBusinessLogic.getFilteredCatalogComponents(assetType, filters, query);\r
-\r
-            if (assetTypeData.isRight()) {\r
-                log.debug("getAssetList: Asset Fetching Failed");\r
-                responseFormat = assetTypeData.right().value();\r
-                getComponentsUtils().auditExternalGetAssetList(responseFormat, auditingActionEnum, distributionData,\r
-                        requestId);\r
-                return buildErrorResponse(responseFormat);\r
-            } else {\r
-                log.debug("getAssetList: Asset Fetching Success");\r
-                Either<List<? extends AssetMetadata>, ResponseFormat> resMetadata =\r
-                        assetMetadataConverter.convertToAssetMetadata(assetTypeData.left().value(), requestURI, false);\r
-                if (resMetadata.isRight()) {\r
-                    log.debug("getAssetList: Asset conversion Failed");\r
-                    responseFormat = resMetadata.right().value();\r
-                    getComponentsUtils().auditExternalGetAssetList(responseFormat, auditingActionEnum, distributionData,\r
-                            requestId);\r
-                    return buildErrorResponse(responseFormat);\r
-                }\r
-                Object result = RepresentationUtils.toRepresentation(resMetadata.left().value());\r
-                responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.OK);\r
-                getComponentsUtils().auditExternalGetAssetList(responseFormat, auditingActionEnum, distributionData,\r
-                        requestId);\r
-\r
-                response = buildOkResponse(responseFormat, result);\r
-                return response;\r
-            }\r
-        } catch (Exception e) {\r
-            BeEcompErrorManager.getInstance().logBeRestApiGeneralError("Fetch filtered list of assets");\r
-            log.debug("getAssetList: Fetch list of assets failed with exception", e);\r
-            return buildErrorResponse(getComponentsUtils().getResponseFormat(ActionStatus.GENERAL_ERROR));\r
-        }\r
-    }\r
-\r
-    /**\r
-     *\r
-     * @param requestId\r
-     * @param instanceIdHeader\r
-     * @param accept\r
-     * @param authorization\r
-     * @param assetType\r
-     * @param uuid\r
-     * @return\r
-     */\r
-    @GET\r
-    @Path("/{assetType}/{uuid}/metadata")\r
-    @Produces(MediaType.APPLICATION_JSON)\r
-    @Operation(description = "Detailed metadata of asset by uuid", method = "GET",\r
-            summary = "Returns detailed metadata of an asset by uuid")\r
-    @ApiResponses(value = {\r
-            @ApiResponse(responseCode = "200",\r
-                    description = "ECOMP component is authenticated and list of Catalog Assets Metadata is returned",\r
-                    content = @Content(array = @ArraySchema(schema = @Schema(implementation = AssetMetadata.class)))),\r
-            @ApiResponse(responseCode = "400", description = "Missing  'X-ECOMP-InstanceID'  HTTP header - POL5001"),\r
-            @ApiResponse(responseCode = "401",\r
-                    description = "ECOMP component  should authenticate itself  and  to  re-send  again  HTTP  request  with its Basic Authentication credentials - POL5002"),\r
-            @ApiResponse(responseCode = "403", description = "ECOMP component is not authorized - POL5003"),\r
-            @ApiResponse(responseCode = "404",\r
-                    description = "Error: Requested '%1' (uuid) resource was not found - SVC4063"),\r
-            @ApiResponse(responseCode = "405",\r
-                    description = "Method  Not Allowed  :  Invalid HTTP method type used ( PUT,DELETE,POST will be rejected) - POL4050"),\r
-            @ApiResponse(responseCode = "500",\r
-                    description = "The GET request failed either due to internal SDC problem. ECOMP Component should continue the attempts to get the needed information - POL5000")})\r
-    public Response getAssetSpecificMetadataByUuidExternal(\r
-            @Parameter(description = "X-ECOMP-RequestID header",\r
-                    required = false) @HeaderParam(value = Constants.X_ECOMP_REQUEST_ID_HEADER) String requestId,\r
-            @Parameter(description = "X-ECOMP-InstanceID header", required = true) @HeaderParam(\r
-                    value = Constants.X_ECOMP_INSTANCE_ID_HEADER) final String instanceIdHeader,\r
-            @Parameter(description = "Determines the format of the body of the response",\r
-                    required = false) @HeaderParam(value = Constants.ACCEPT_HEADER) String accept,\r
-            @Parameter(description = "The username and password",\r
-                    required = true) @HeaderParam(value = Constants.AUTHORIZATION_HEADER) String authorization,\r
-            @Parameter(description = "The requested asset type",schema = @Schema(allowableValues = {"resources", "services"}),\r
-                    required = true) @PathParam("assetType") final String assetType,\r
-            @Parameter(description = "The requested asset uuid",\r
-                    required = true) @PathParam("uuid") final String uuid) {\r
-\r
-        Response response = null;\r
-        ResponseFormat responseFormat = null;\r
-        AuditingActionEnum auditingActionEnum = AuditingActionEnum.GET_ASSET_METADATA;\r
-        String requestURI = request.getRequestURI();\r
-        String url = request.getMethod() + " " + requestURI;\r
-        log.debug("Start handle request of {}", url);\r
-\r
-        ComponentTypeEnum componentType = ComponentTypeEnum.findByParamName(assetType);\r
-        ResourceCommonInfo resourceCommonInfo = new ResourceCommonInfo(componentType.getValue());\r
-        DistributionData distributionData = new DistributionData(instanceIdHeader, requestURI);\r
-        // Mandatory\r
-        if (instanceIdHeader == null || instanceIdHeader.isEmpty()) {\r
-            log.debug("getAssetList: Missing X-ECOMP-InstanceID header");\r
-            responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.MISSING_X_ECOMP_INSTANCE_ID);\r
-            getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,\r
-                    resourceCommonInfo, requestId, uuid);\r
-            return buildErrorResponse(responseFormat);\r
-        }\r
-\r
-        try {\r
-            Either<List<? extends Component>, ResponseFormat> assetTypeData =\r
-                    elementBusinessLogic.getCatalogComponentsByUuidAndAssetType(assetType, uuid);\r
-\r
-            if (assetTypeData.isRight()) {\r
-                log.debug("getAssetList: Asset Fetching Failed");\r
-                responseFormat = assetTypeData.right().value();\r
-                getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,\r
-                        resourceCommonInfo, requestId, uuid);\r
-\r
-                return buildErrorResponse(responseFormat);\r
-            }\r
-            resourceCommonInfo.setResourceName(assetTypeData.left().value().iterator().next().getName());\r
-            log.debug("getAssetList: Asset Fetching Success");\r
-            Either<List<? extends AssetMetadata>, ResponseFormat> resMetadata =\r
-                    assetMetadataConverter.convertToAssetMetadata(assetTypeData.left().value(), requestURI, true);\r
-            if (resMetadata.isRight()) {\r
-                log.debug("getAssetList: Asset conversion Failed");\r
-                responseFormat = resMetadata.right().value();\r
-\r
-                getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,\r
-                        resourceCommonInfo, requestId, uuid);\r
-                return buildErrorResponse(responseFormat);\r
-            }\r
-            Object result = RepresentationUtils.toRepresentation(resMetadata.left().value().iterator().next());\r
-            responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.OK);\r
-            getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,\r
-                    resourceCommonInfo, requestId, uuid);\r
-\r
-            response = buildOkResponse(responseFormat, result);\r
-            return response;\r
-\r
-        } catch (Exception e) {\r
-            BeEcompErrorManager.getInstance().logBeRestApiGeneralError("Fetch filtered list of assets");\r
-            log.debug("getAssetList: Fetch list of assets failed with exception", e);\r
-            return buildErrorResponse(getComponentsUtils().getResponseFormat(ActionStatus.GENERAL_ERROR));\r
-        }\r
-    }\r
-\r
-    /**\r
-     *\r
-     * @param requestId\r
-     * @param instanceIdHeader\r
-     * @param accept\r
-     * @param authorization\r
-     * @param assetType\r
-     * @param uuid\r
-     * @return\r
-     */\r
-    @GET\r
-    @Path("/{assetType}/{uuid}/toscaModel")\r
-    @Produces(MediaType.APPLICATION_OCTET_STREAM)\r
-    @Operation(description = "Fetch assets CSAR", method = "GET", summary = "Returns asset csar",\r
-            responses = @ApiResponse(\r
-                    content = @Content(array = @ArraySchema(schema = @Schema(implementation = String.class)))))\r
-    @ApiResponses(value = {\r
-            @ApiResponse(responseCode = "200",\r
-                    description = "ECOMP component is authenticated and list of Catalog Assets Metadata is returned",\r
-                    content = @Content(array = @ArraySchema(schema = @Schema(implementation = String.class)))),\r
-            @ApiResponse(responseCode = "400", description = "Missing  'X-ECOMP-InstanceID'  HTTP header - POL5001"),\r
-            @ApiResponse(responseCode = "401",\r
-                    description = "ECOMP component  should authenticate itself  and  to  re-send  again  HTTP  request  with its Basic Authentication credentials - POL5002"),\r
-            @ApiResponse(responseCode = "403", description = "ECOMP component is not authorized - POL5003"),\r
-            @ApiResponse(responseCode = "404",\r
-                    description = "Error: Requested '%1' (uuid) resource was not found - SVC4063"),\r
-            @ApiResponse(responseCode = "405",\r
-                    description = "Method  Not Allowed  :  Invalid HTTP method type used ( PUT,DELETE,POST will be rejected) - POL4050"),\r
-            @ApiResponse(responseCode = "500",\r
-                    description = "The GET request failed either due to internal SDC problem. ECOMP Component should continue the attempts to get the needed information - POL5000")})\r
-    public Response getToscaModelExternal(\r
-            @Parameter(description = "X-ECOMP-RequestID header",\r
-                    required = false) @HeaderParam(value = Constants.X_ECOMP_REQUEST_ID_HEADER) String requestId,\r
-            @Parameter(description = "X-ECOMP-InstanceID header", required = true) @HeaderParam(\r
-                    value = Constants.X_ECOMP_INSTANCE_ID_HEADER) final String instanceIdHeader,\r
-            @Parameter(description = "Determines the format of the body of the response",\r
-                    required = false) @HeaderParam(value = Constants.ACCEPT_HEADER) String accept,\r
-            @Parameter(description = "The username and password",\r
-                    required = true) @HeaderParam(value = Constants.AUTHORIZATION_HEADER) String authorization,\r
-            @Parameter(description = "The requested asset type",schema = @Schema(allowableValues = {"resources", "services"}),\r
-                    required = true) @PathParam("assetType") final String assetType,\r
-            @Parameter(description = "The requested asset uuid",\r
-                    required = true) @PathParam("uuid") final String uuid) {\r
-\r
-        String url = request.getRequestURI();\r
-        log.debug("Start handle request of {} {}", request.getMethod(), url);\r
-        Response response = null;\r
-        ResponseFormat responseFormat = null;\r
-        ComponentTypeEnum componentType = ComponentTypeEnum.findByParamName(assetType);\r
-        AuditingActionEnum auditingActionEnum = AuditingActionEnum.GET_TOSCA_MODEL;\r
-\r
-        ResourceCommonInfo resourceCommonInfo = new ResourceCommonInfo(componentType.getValue());\r
-        DistributionData distributionData = new DistributionData(instanceIdHeader, url);\r
-\r
-        if (instanceIdHeader == null || instanceIdHeader.isEmpty()) {\r
-            log.debug("getToscaModel: Missing X-ECOMP-InstanceID header");\r
-            responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.MISSING_X_ECOMP_INSTANCE_ID);\r
-            getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,\r
-                    resourceCommonInfo, requestId, uuid);\r
-            return buildErrorResponse(responseFormat);\r
-        }\r
-\r
-        try {\r
-            ComponentBusinessLogic componentBL = componentBusinessLogicProvider.getInstance(componentType);\r
-\r
-\r
-            Either<ImmutablePair<String, byte[]>, ResponseFormat> csarArtifact =\r
-                    componentBL.getToscaModelByComponentUuid(componentType, uuid, resourceCommonInfo);\r
-            if (csarArtifact.isRight()) {\r
-                responseFormat = csarArtifact.right().value();\r
-                getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,\r
-                        resourceCommonInfo, requestId, uuid);\r
-                response = buildErrorResponse(responseFormat);\r
-            } else {\r
-                byte[] value = csarArtifact.left().value().getRight();\r
-                InputStream is = new ByteArrayInputStream(value);\r
-                String contenetMD5 = GeneralUtility.calculateMD5Base64EncodedByByteArray(value);\r
-                Map<String, String> headers = new HashMap<>();\r
-                headers.put(Constants.CONTENT_DISPOSITION_HEADER,\r
-                        getContentDispositionValue(csarArtifact.left().value().getLeft()));\r
-                headers.put(Constants.MD5_HEADER, contenetMD5);\r
-                responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.OK);\r
-                getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,\r
-                        resourceCommonInfo, requestId, uuid);\r
-                response = buildOkResponse(responseFormat, is, headers);\r
-            }\r
-            return response;\r
-\r
-        } catch (Exception e) {\r
-            BeEcompErrorManager.getInstance().logBeRestApiGeneralError("Get asset tosca model");\r
-            log.debug("falied to get asset tosca model", e);\r
-            responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.GENERAL_ERROR);\r
-            response = buildErrorResponse(responseFormat);\r
-            getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,\r
-                    resourceCommonInfo, requestId, uuid);\r
-            return response;\r
-        }\r
-    }\r
-\r
-\r
-    private String removeDuplicateSlashSeparator(String requestUri) {\r
-        return requestUri.substring(0, requestUri.length() - 1);\r
-    }\r
-\r
-\r
-}\r
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.be.externalapi.servlet;
+
+import com.jcabi.aspects.Loggable;
+import fj.data.Either;
+import io.swagger.v3.oas.annotations.OpenAPIDefinition;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.info.Info;
+import io.swagger.v3.oas.annotations.media.ArraySchema;
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
+import org.apache.commons.lang3.tuple.ImmutablePair;
+import org.openecomp.sdc.be.components.impl.ComponentBusinessLogic;
+import org.openecomp.sdc.be.components.impl.ComponentBusinessLogicProvider;
+import org.openecomp.sdc.be.components.impl.ComponentInstanceBusinessLogic;
+import org.openecomp.sdc.be.components.impl.ElementBusinessLogic;
+import org.openecomp.sdc.be.components.impl.ResourceBusinessLogic;
+import org.openecomp.sdc.be.components.impl.ResourceImportManager;
+import org.openecomp.sdc.be.components.impl.ServiceBusinessLogic;
+import org.openecomp.sdc.be.components.impl.aaf.AafPermission;
+import org.openecomp.sdc.be.components.impl.aaf.PermissionAllowed;
+import org.openecomp.sdc.be.components.impl.exceptions.ComponentException;
+import org.openecomp.sdc.be.config.BeEcompErrorManager;
+import org.openecomp.sdc.be.dao.api.ActionStatus;
+import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
+import org.openecomp.sdc.be.datatypes.enums.FilterKeyEnum;
+import org.openecomp.sdc.be.datatypes.enums.ResourceTypeEnum;
+import org.openecomp.sdc.be.ecomp.converters.AssetMetadataConverter;
+import org.openecomp.sdc.be.externalapi.servlet.representation.AssetMetadata;
+import org.openecomp.sdc.be.impl.ComponentsUtils;
+import org.openecomp.sdc.be.impl.ServletUtils;
+import org.openecomp.sdc.be.model.Component;
+import org.openecomp.sdc.be.resources.data.auditing.AuditingActionEnum;
+import org.openecomp.sdc.be.resources.data.auditing.model.DistributionData;
+import org.openecomp.sdc.be.resources.data.auditing.model.ResourceCommonInfo;
+import org.openecomp.sdc.be.servlets.AbstractValidationsServlet;
+import org.openecomp.sdc.be.servlets.RepresentationUtils;
+import org.openecomp.sdc.be.user.UserBusinessLogic;
+import org.openecomp.sdc.common.api.Constants;
+import org.openecomp.sdc.common.log.wrappers.Logger;
+import org.openecomp.sdc.common.util.GeneralUtility;
+import org.openecomp.sdc.exception.ResponseFormat;
+import org.springframework.stereotype.Controller;
+
+import javax.inject.Inject;
+import javax.servlet.http.HttpServletRequest;
+import javax.ws.rs.GET;
+import javax.ws.rs.HeaderParam;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.QueryParam;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.EnumMap;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import static org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum.RESOURCE;
+
+/**
+ * This Servlet serves external users for retrieving component metadata.
+ * 
+ * @author tgitelman
+ *
+ */
+
+@Loggable(prepend = true, value = Loggable.DEBUG, trim = false)
+@Path("/v1/catalog")
+// for retrieving component metadata.")
+@OpenAPIDefinition(info = @Info(title = "Asset Metadata External Servlet",
+        description = "This Servlet serves external users for retrieving component metadata."))
+@Controller
+public class AssetsDataServlet extends AbstractValidationsServlet {
+
+    @Context
+    private HttpServletRequest request;
+
+    private static final Logger log = Logger.getLogger(AssetsDataServlet.class);
+
+    private final ElementBusinessLogic elementBusinessLogic;
+    private final AssetMetadataConverter assetMetadataConverter;
+    private final ServiceBusinessLogic serviceBusinessLogic;
+    private final ResourceBusinessLogic resourceBusinessLogic;
+    private final ComponentBusinessLogicProvider componentBusinessLogicProvider;
+
+    @Inject
+    public AssetsDataServlet(UserBusinessLogic userBusinessLogic, ComponentInstanceBusinessLogic componentInstanceBL,
+            ComponentsUtils componentsUtils, ServletUtils servletUtils, ResourceImportManager resourceImportManager,
+            ElementBusinessLogic elementBusinessLogic, AssetMetadataConverter assetMetadataConverter,
+            ComponentBusinessLogicProvider componentBusinessLogicProvider, ServiceBusinessLogic serviceBusinessLogic, ResourceBusinessLogic resourceBusinessLogic) {
+        super(userBusinessLogic, componentInstanceBL, componentsUtils, servletUtils, resourceImportManager);
+        this.elementBusinessLogic = elementBusinessLogic;
+        this.assetMetadataConverter = assetMetadataConverter;
+        this.serviceBusinessLogic = serviceBusinessLogic;
+        this.resourceBusinessLogic = resourceBusinessLogic;
+        this.componentBusinessLogicProvider = componentBusinessLogicProvider;
+    }
+
+    @GET
+    @Path("/{assetType}")
+    @Produces(MediaType.APPLICATION_JSON)
+    @Operation(description = "Fetch list of assets", method = "GET", summary = "Returns list of assets")
+    @ApiResponses(value = {
+            @ApiResponse(responseCode = "200",
+                    description = "ECOMP component is authenticated and list of Catalog Assets Metadata is returned",
+                    content = @Content(array = @ArraySchema(schema = @Schema(implementation = AssetMetadata.class)))),
+            @ApiResponse(responseCode = "400", description = "Missing  'X-ECOMP-InstanceID'  HTTP header - POL5001"),
+            @ApiResponse(responseCode = "401",
+                    description = "ECOMP component  should authenticate itself  and  to  re-send  again  HTTP  request  with its Basic Authentication credentials - POL5002"),
+            @ApiResponse(responseCode = "403", description = "ECOMP component is not authorized - POL5003"),
+            @ApiResponse(responseCode = "405",
+                    description = "Method  Not Allowed  :  Invalid HTTP method type used ( PUT,DELETE,POST will be rejected) - POL4050"),
+            @ApiResponse(responseCode = "500",
+                    description = "The GET request failed either due to internal SDC problem. ECOMP Component should continue the attempts to get the needed information - POL5000")})
+    @PermissionAllowed(AafPermission.PermNames.READ_VALUE)
+    public Response getAssetListExternal(
+            @Parameter(description = "X-ECOMP-RequestID header",
+                    required = false) @HeaderParam(value = Constants.X_ECOMP_REQUEST_ID_HEADER) String requestId,
+            @Parameter(description = "X-ECOMP-InstanceID header", required = true) @HeaderParam(
+                    value = Constants.X_ECOMP_INSTANCE_ID_HEADER) final String instanceIdHeader,
+            @Parameter(description = "Determines the format of the body of the response",
+                    required = false) @HeaderParam(value = Constants.ACCEPT_HEADER) String accept,
+            @Parameter(description = "The username and password",
+                    required = true) @HeaderParam(value = Constants.AUTHORIZATION_HEADER) String authorization,
+            @Parameter(description = "The requested asset type",schema = @Schema(allowableValues = {"resources", "services"}),
+                    required = true) @PathParam("assetType") final String assetType,
+            @Parameter(description = "The filter key (resourceType only for resources)",
+                    required = false) @QueryParam("category") String category,
+            @Parameter(description = "The filter key (resourceType only for resources)",
+                    required = false) @QueryParam("subCategory") String subCategory,
+            @Parameter(description = "The filter key (resourceType only for resources)",
+                    required = false) @QueryParam("distributionStatus") String distributionStatus,
+            @Parameter(description = "The filter key (resourceType only for resources)",
+                    required = false) @QueryParam("resourceType") String resourceType) throws IOException {
+
+        Response response = null;
+        ResponseFormat responseFormat = null;
+        String query = request.getQueryString();
+        String requestURI = request.getRequestURI().endsWith("/")?
+                removeDuplicateSlashSeparator(request.getRequestURI()): request.getRequestURI();
+        String url = request.getMethod() + " " + requestURI;
+        log.debug("Start handle request of {}", url);
+
+        AuditingActionEnum auditingActionEnum = query == null ? AuditingActionEnum.GET_ASSET_LIST : AuditingActionEnum.GET_FILTERED_ASSET_LIST;
+
+        String resourceUrl = query == null ? requestURI : requestURI + "?" + query;
+        DistributionData distributionData = new DistributionData(instanceIdHeader, resourceUrl);
+
+        // Mandatory
+        if (instanceIdHeader == null || instanceIdHeader.isEmpty()) {
+            log.debug("getAssetList: Missing X-ECOMP-InstanceID header");
+            responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.MISSING_X_ECOMP_INSTANCE_ID);
+            getComponentsUtils().auditExternalGetAssetList(responseFormat, auditingActionEnum, distributionData, requestId);
+            return buildErrorResponse(responseFormat);
+        }
+
+        try {
+            Map<FilterKeyEnum, String> filters = new EnumMap<>(FilterKeyEnum.class);
+
+            if (category != null) {
+                filters.put(FilterKeyEnum.CATEGORY, category);
+            }
+            if (subCategory != null) {
+                filters.put(FilterKeyEnum.SUB_CATEGORY, subCategory);
+            }
+            if (distributionStatus != null) {
+                filters.put(FilterKeyEnum.DISTRIBUTION_STATUS, distributionStatus);
+            }
+            if (resourceType != null) {
+                ResourceTypeEnum resourceTypeEnum = ResourceTypeEnum.getTypeIgnoreCase(resourceType);
+                if (resourceTypeEnum == null) {
+                    log.debug("getAssetList: Asset Fetching Failed. Invalid resource type was received");
+                    responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.INVALID_CONTENT);
+                    getComponentsUtils().auditExternalGetAssetList(responseFormat, auditingActionEnum, distributionData, requestId);
+                    return buildErrorResponse(responseFormat);
+                }
+                filters.put(FilterKeyEnum.RESOURCE_TYPE, resourceTypeEnum.name());
+            }
+
+            Either<List<? extends Component>, ResponseFormat> assetTypeData = elementBusinessLogic.getFilteredCatalogComponents(assetType, filters, query);
+
+            if (assetTypeData.isRight()) {
+                log.debug("getAssetList: Asset Fetching Failed");
+                responseFormat = assetTypeData.right().value();
+                getComponentsUtils().auditExternalGetAssetList(responseFormat, auditingActionEnum, distributionData, requestId);
+                return buildErrorResponse(responseFormat);
+            } else {
+                log.debug("getAssetList: Asset Fetching Success");
+                Either<List<? extends AssetMetadata>, ResponseFormat> resMetadata = assetMetadataConverter.convertToAssetMetadata(assetTypeData.left().value(), requestURI, false);
+                if (resMetadata.isRight()) {
+                    log.debug("getAssetList: Asset conversion Failed");
+                    responseFormat = resMetadata.right().value();
+                    getComponentsUtils().auditExternalGetAssetList(responseFormat, auditingActionEnum, distributionData, requestId);
+                    return buildErrorResponse(responseFormat);
+                }
+                Object result = RepresentationUtils.toRepresentation(resMetadata.left().value());
+                responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.OK);
+                getComponentsUtils().auditExternalGetAssetList(responseFormat, auditingActionEnum, distributionData, requestId);
+
+                response = buildOkResponse(responseFormat, result);
+                return response;
+            }
+        } catch (Exception e) {
+            BeEcompErrorManager.getInstance().logBeRestApiGeneralError("Fetch filtered list of assets");
+            log.debug("getAssetList: Fetch list of assets failed with exception", e);
+            throw e;
+        }
+    }
+
+    /**
+     *
+     * @param requestId
+     * @param instanceIdHeader
+     * @param accept
+     * @param authorization
+     * @param assetType
+     * @param uuid
+     * @return
+     */
+    @GET
+    @Path("/{assetType}/{uuid}/metadata")
+    @Produces(MediaType.APPLICATION_JSON)
+    @Operation(description = "Detailed metadata of asset by uuid", method = "GET",
+            summary = "Returns detailed metadata of an asset by uuid")
+    @ApiResponses(value = {
+            @ApiResponse(responseCode = "200",
+                    description = "ECOMP component is authenticated and list of Catalog Assets Metadata is returned",
+                    content = @Content(array = @ArraySchema(schema = @Schema(implementation = AssetMetadata.class)))),
+            @ApiResponse(responseCode = "400", description = "Missing  'X-ECOMP-InstanceID'  HTTP header - POL5001"),
+            @ApiResponse(responseCode = "401",
+                    description = "ECOMP component  should authenticate itself  and  to  re-send  again  HTTP  request  with its Basic Authentication credentials - POL5002"),
+            @ApiResponse(responseCode = "403", description = "ECOMP component is not authorized - POL5003"),
+            @ApiResponse(responseCode = "404",
+                    description = "Error: Requested '%1' (uuid) resource was not found - SVC4063"),
+            @ApiResponse(responseCode = "405",
+                    description = "Method  Not Allowed  :  Invalid HTTP method type used ( PUT,DELETE,POST will be rejected) - POL4050"),
+            @ApiResponse(responseCode = "500",
+                    description = "The GET request failed either due to internal SDC problem. ECOMP Component should continue the attempts to get the needed information - POL5000")})
+    @PermissionAllowed(AafPermission.PermNames.READ_VALUE)
+    public Response getAssetSpecificMetadataByUuidExternal(
+            @Parameter(description = "X-ECOMP-RequestID header",
+                    required = false) @HeaderParam(value = Constants.X_ECOMP_REQUEST_ID_HEADER) String requestId,
+            @Parameter(description = "X-ECOMP-InstanceID header", required = true) @HeaderParam(
+                    value = Constants.X_ECOMP_INSTANCE_ID_HEADER) final String instanceIdHeader,
+            @Parameter(description = "Determines the format of the body of the response",
+                    required = false) @HeaderParam(value = Constants.ACCEPT_HEADER) String accept,
+            @Parameter(description = "The username and password",
+                    required = true) @HeaderParam(value = Constants.AUTHORIZATION_HEADER) String authorization,
+            @Parameter(description = "The requested asset type",schema = @Schema(allowableValues = {"resources", "services"}),
+                    required = true) @PathParam("assetType") final String assetType,
+            @Parameter(description = "The requested asset uuid",
+                    required = true) @PathParam("uuid") final String uuid) throws IOException {
+
+        Response response = null;
+        ResponseFormat responseFormat = null;
+        AuditingActionEnum auditingActionEnum = AuditingActionEnum.GET_ASSET_METADATA;
+        String requestURI = request.getRequestURI();
+        String url = request.getMethod() + " " + requestURI;
+        log.debug("Start handle request of {}", url);
+
+        ComponentTypeEnum componentType = ComponentTypeEnum.findByParamName(assetType);
+        ResourceCommonInfo resourceCommonInfo = new ResourceCommonInfo(componentType.getValue());
+        DistributionData distributionData = new DistributionData(instanceIdHeader, requestURI);
+        // Mandatory
+        if (instanceIdHeader == null || instanceIdHeader.isEmpty()) {
+            log.debug("getAssetList: Missing X-ECOMP-InstanceID header");
+            responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.MISSING_X_ECOMP_INSTANCE_ID);
+            getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,
+                    resourceCommonInfo, requestId, uuid);
+            return buildErrorResponse(responseFormat);
+        }
+
+        try {
+
+            Either<List<? extends Component>, ResponseFormat> assetTypeData = elementBusinessLogic.getCatalogComponentsByUuidAndAssetType(assetType, uuid);
+
+            if (assetTypeData.isRight()) {
+                log.debug("getAssetList: Asset Fetching Failed");
+                responseFormat = assetTypeData.right().value();
+                getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,
+                        resourceCommonInfo, requestId, uuid);
+
+                return buildErrorResponse(responseFormat);
+            }
+            resourceCommonInfo.setResourceName(assetTypeData.left().value().iterator().next().getName());
+            log.debug("getAssetList: Asset Fetching Success");
+            Either<List<? extends AssetMetadata>, ResponseFormat> resMetadata = assetMetadataConverter.convertToAssetMetadata(assetTypeData.left().value(), requestURI, true);
+            if (resMetadata.isRight()) {
+                log.debug("getAssetList: Asset conversion Failed");
+                responseFormat = resMetadata.right().value();
+
+                getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,
+                        resourceCommonInfo, requestId, uuid);
+                return buildErrorResponse(responseFormat);
+            }
+            Object result = RepresentationUtils.toRepresentation(resMetadata.left().value().iterator().next());
+            responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.OK);
+            getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,
+                    resourceCommonInfo, requestId, uuid);
+
+            response = buildOkResponse(responseFormat, result);
+            return response;
+
+        } catch (Exception e) {
+            BeEcompErrorManager.getInstance().logBeRestApiGeneralError("Fetch filtered list of assets");
+            log.debug("getAssetList: Fetch list of assets failed with exception", e);
+            throw e;
+        }
+    }
+
+    private ComponentBusinessLogic getComponentBLByType(ComponentTypeEnum componentTypeEnum) {
+        if(componentTypeEnum.equals(RESOURCE)) {
+            return resourceBusinessLogic;
+        } else {
+            // Implementation is the same for any ComponentBusinessLogic
+            return serviceBusinessLogic;
+        }
+    }
+
+    /**
+     *
+     * @param requestId
+     * @param instanceIdHeader
+     * @param accept
+     * @param authorization
+     * @param assetType
+     * @param uuid
+     * @return
+     */
+
+    @GET
+    @Path("/{assetType}/{uuid}/toscaModel")
+    @Produces(MediaType.APPLICATION_OCTET_STREAM)
+    @Operation(description = "Fetch assets CSAR", method = "GET", summary = "Returns asset csar",
+            responses = @ApiResponse(
+                    content = @Content(array = @ArraySchema(schema = @Schema(implementation = String.class)))))
+    @ApiResponses(value = {
+            @ApiResponse(responseCode = "200",
+                    description = "ECOMP component is authenticated and list of Catalog Assets Metadata is returned",
+                    content = @Content(array = @ArraySchema(schema = @Schema(implementation = String.class)))),
+            @ApiResponse(responseCode = "400", description = "Missing  'X-ECOMP-InstanceID'  HTTP header - POL5001"),
+            @ApiResponse(responseCode = "401",
+                    description = "ECOMP component  should authenticate itself  and  to  re-send  again  HTTP  request  with its Basic Authentication credentials - POL5002"),
+            @ApiResponse(responseCode = "403", description = "ECOMP component is not authorized - POL5003"),
+            @ApiResponse(responseCode = "404",
+                    description = "Error: Requested '%1' (uuid) resource was not found - SVC4063"),
+            @ApiResponse(responseCode = "405",
+                    description = "Method  Not Allowed  :  Invalid HTTP method type used ( PUT,DELETE,POST will be rejected) - POL4050"),
+            @ApiResponse(responseCode = "500",
+                    description = "The GET request failed either due to internal SDC problem. ECOMP Component should continue the attempts to get the needed information - POL5000")})
+    @PermissionAllowed(AafPermission.PermNames.READ_VALUE)
+    public Response getToscaModelExternal(
+            @Parameter(description = "X-ECOMP-RequestID header",
+                    required = false) @HeaderParam(value = Constants.X_ECOMP_REQUEST_ID_HEADER) String requestId,
+            @Parameter(description = "X-ECOMP-InstanceID header", required = true) @HeaderParam(
+                    value = Constants.X_ECOMP_INSTANCE_ID_HEADER) final String instanceIdHeader,
+            @Parameter(description = "Determines the format of the body of the response",
+                    required = false) @HeaderParam(value = Constants.ACCEPT_HEADER) String accept,
+            @Parameter(description = "The username and password",
+                    required = true) @HeaderParam(value = Constants.AUTHORIZATION_HEADER) String authorization,
+            @Parameter(description = "The requested asset type",schema = @Schema(allowableValues = {"resources", "services"}),
+                    required = true) @PathParam("assetType") final String assetType,
+            @Parameter(description = "The requested asset uuid",
+                    required = true) @PathParam("uuid") final String uuid) {
+
+        String url = request.getRequestURI();
+        log.debug("Start handle request of {} {}", request.getMethod(), url);
+        Response response = null;
+        ResponseFormat responseFormat = null;
+        ComponentTypeEnum componentType = ComponentTypeEnum.findByParamName(assetType);
+        AuditingActionEnum auditingActionEnum = AuditingActionEnum.GET_TOSCA_MODEL;
+
+        ResourceCommonInfo resourceCommonInfo = new ResourceCommonInfo(componentType.getValue());
+        DistributionData distributionData = new DistributionData(instanceIdHeader, url);
+
+        if (instanceIdHeader == null || instanceIdHeader.isEmpty()) {
+            log.debug("getToscaModel: Missing X-ECOMP-InstanceID header");
+            responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.MISSING_X_ECOMP_INSTANCE_ID);
+            getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,
+                    resourceCommonInfo, requestId, uuid);
+            return buildErrorResponse(responseFormat);
+        }
+
+        try {
+            ComponentBusinessLogic componentBusinessLogic = getComponentBLByType(componentType);
+            ImmutablePair<String, byte[]> csarArtifact = componentBusinessLogic.getToscaModelByComponentUuid(componentType, uuid, resourceCommonInfo);
+            byte[] value = csarArtifact.getRight();
+            InputStream is = new ByteArrayInputStream(value);
+            String contenetMD5 = GeneralUtility.calculateMD5Base64EncodedByByteArray(value);
+            Map<String, String> headers = new HashMap<>();
+            headers.put(Constants.CONTENT_DISPOSITION_HEADER, getContentDispositionValue(csarArtifact.getLeft()));
+            headers.put(Constants.MD5_HEADER, contenetMD5);
+            responseFormat = getComponentsUtils().getResponseFormat(ActionStatus.OK);
+            getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,
+                    resourceCommonInfo, requestId, uuid);
+            response = buildOkResponse(responseFormat, is, headers);
+            return response;
+
+        } catch (ComponentException e) {
+            responseFormat = e.getResponseFormat();
+            getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,
+                    resourceCommonInfo, requestId, uuid);
+            BeEcompErrorManager.getInstance().logBeRestApiGeneralError("Get asset tosca model");
+            log.debug("failed to get asset tosca model", e);
+            response = buildErrorResponse(responseFormat);
+            getComponentsUtils().auditExternalGetAsset(responseFormat, auditingActionEnum, distributionData,
+                    resourceCommonInfo, requestId, uuid);
+            return response;
+        }
+    }
+
+
+    private String removeDuplicateSlashSeparator(String requestUri) {
+        return requestUri.substring(0, requestUri.length()-1);
+    }
+}