chore: [TRX-105] secure edc callbacks (#19)

CHANGELOG.md

@@ -8,6 +8,9 @@ _**For better traceability add the corresponding GitHub issue number in each cha
 
 ## [Unreleased]
 
+### Added
+- Added api key authentication for edc notification requests
+
 ### Changed 
 
 - Added the discovery type configurable, with a default value of bpnl in (ConnectorEndpointsService) (#12)

irs-edc-client/src/main/java/org/eclipse/tractusx/irs/edc/client/asset/EdcAssetService.java

@@ -39,6 +39,7 @@
 import org.eclipse.tractusx.irs.edc.client.asset.model.exception.DeleteEdcAssetException;
 import org.eclipse.tractusx.irs.edc.client.asset.model.exception.EdcAssetAlreadyExistsException;
 import org.eclipse.tractusx.irs.edc.client.configuration.JsonLdConfiguration;
+import org.eclipse.tractusx.irs.edc.client.model.EdcTechnicalServiceAuthentication;
 import org.eclipse.tractusx.irs.edc.client.transformer.EdcTransformer;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.HttpStatusCode;
@@ -64,6 +65,7 @@ public class EdcAssetService {
     private static final String ASSET_DATA_ADDRESS_PROXY_BODY = NAMESPACE_EDC + "proxyBody";
     private static final String ASSET_DATA_ADDRESS_PROXY_PATH = NAMESPACE_EDC + "proxyPath";
     private static final String ASSET_DATA_ADDRESS_PROXY_QUERY_PARAMS = NAMESPACE_EDC + "proxyQueryParams";
+    private static final String ASSET_DATA_ADDRESS_TECHNICAL_SERVICE_API_KEY = "header:x-technical-service-key";
     private static final String ASSET_DATA_ADDRESS_METHOD = NAMESPACE_EDC + "method";
     private static final String ASSET_PROPERTY_DESCRIPTION = NAMESPACE_EDC + "description";
     private static final String ASSET_PROPERTY_CONTENT_TYPE = NAMESPACE_EDC + "contenttype";
@@ -85,16 +87,17 @@ public class EdcAssetService {
     private final RestTemplate restTemplate;
 
     public String createNotificationAsset(final String baseUrl, final String assetName,
-            final NotificationMethod notificationMethod, final NotificationType notificationType)
+            final NotificationMethod notificationMethod, final NotificationType notificationType, final EdcTechnicalServiceAuthentication edcTechnicalServiceAuthentication)
             throws CreateEdcAssetException {
         final Notification notification = Notification.toNotification(notificationMethod, notificationType);
-        final Asset request = createNotificationAssetRequest(assetName, baseUrl, notification);
+        final Asset request = createNotificationAssetRequest(assetName, baseUrl, notification,
+                edcTechnicalServiceAuthentication);
         return sendRequest(request);
     }
 
     public String createNotificationAsset(final String baseUrl, final String assetName, final Notification notification)
             throws CreateEdcAssetException {
-        final Asset request = createNotificationAssetRequest(assetName, baseUrl, notification);
+        final Asset request = createNotificationAssetRequest(assetName, baseUrl, notification, null);
         return sendRequest(request);
     }
 
@@ -143,24 +146,30 @@ public void deleteAsset(final String assetId) throws DeleteEdcAssetException {
     }
 
     private Asset createNotificationAssetRequest(final String assetName, final String baseUrl,
-            final Notification notification) {
+            final Notification notification, final EdcTechnicalServiceAuthentication edcTechnicalServiceAuthentication) {
         final String assetId = UUID.randomUUID().toString();
         final Map<String, Object> properties = Map.of(ASSET_PROPERTY_DESCRIPTION, assetName,
                 ASSET_PROPERTY_CONTENT_TYPE, DEFAULT_CONTENT_TYPE, ASSET_PROPERTY_POLICY_ID, DEFAULT_POLICY_ID,
                 ASSET_PROPERTY_COMMON_VERSION_KEY, ASSET_PROPERTY_NOTIFICATION_VERSION, ASSET_PROPERTY_DCAT_TYPE,
                 Map.of("@id", JsonLdConfiguration.NAMESPACE_CX_TAXONOMY + notification.getValue()));
 
-        final DataAddress dataAddress = DataAddress.Builder.newInstance()
-                                                           .type(DATA_ADDRESS_TYPE_HTTP_DATA)
-                                                           .property(EDC_DATA_ADDRESS_TYPE_PROPERTY,
-                                                                   DATA_ADDRESS_TYPE_HTTP_DATA)
-                                                           .property(ASSET_DATA_ADDRESS_BASE_URL, baseUrl)
-                                                           .property(ASSET_DATA_ADDRESS_PROXY_METHOD,
-                                                                   Boolean.TRUE.toString())
-                                                           .property(ASSET_DATA_ADDRESS_PROXY_BODY,
-                                                                   Boolean.TRUE.toString())
-                                                           .property(ASSET_DATA_ADDRESS_METHOD, DEFAULT_METHOD)
-                                                           .build();
+        final DataAddress.Builder dataAddressBuilder = DataAddress.Builder.newInstance()
+                                                                          .type(DATA_ADDRESS_TYPE_HTTP_DATA) // Address type HTTP
+                                                                          .property(EDC_DATA_ADDRESS_TYPE_PROPERTY,
+                                                                                  DATA_ADDRESS_TYPE_HTTP_DATA) // Address type property
+                                                                          .property(ASSET_DATA_ADDRESS_BASE_URL,
+                                                                                  baseUrl) // Base URL
+                                                                          .property(ASSET_DATA_ADDRESS_PROXY_METHOD,
+                                                                                  Boolean.TRUE.toString()) // Enable proxy method
+                                                                          .property(ASSET_DATA_ADDRESS_PROXY_BODY,
+                                                                                  Boolean.TRUE.toString()) // Enable proxy body
+                                                                          .property(ASSET_DATA_ADDRESS_METHOD,
+                                                                                  DEFAULT_METHOD); // Default method (e.g., GET, POST)
+
+        enrichOptionalEdcApiAuthenticationToDataAddress(edcTechnicalServiceAuthentication, dataAddressBuilder);
+
+        final DataAddress dataAddress = dataAddressBuilder.build();
+
         return Asset.Builder.newInstance()
                             .id(assetId)
                             .contentType("Asset")
@@ -222,4 +231,12 @@ private Asset createSubmodelAssetRequest(final String assetId, final String base
                             .dataAddress(dataAddress)
                             .build();
     }
+
+    private static void enrichOptionalEdcApiAuthenticationToDataAddress(
+            final EdcTechnicalServiceAuthentication edcTechnicalServiceAuthentication, final DataAddress.Builder dataAddressBuilder) {
+        if (edcTechnicalServiceAuthentication != null && edcTechnicalServiceAuthentication.getTechnicalServiceApiKey() != null
+                && !edcTechnicalServiceAuthentication.getTechnicalServiceApiKey().isEmpty()) {
+            dataAddressBuilder.property(ASSET_DATA_ADDRESS_TECHNICAL_SERVICE_API_KEY, edcTechnicalServiceAuthentication.getTechnicalServiceApiKey());
+        }
+    }
 }

irs-edc-client/src/main/java/org/eclipse/tractusx/irs/edc/client/model/EdcTechnicalServiceAuthentication.java

@@ -0,0 +1,32 @@
+/********************************************************************************
+ * Copyright (c) 2022,2024 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
+ * Copyright (c) 2021,2024 Contributors to the Eclipse Foundation
+ *
+ * See the NOTICE file(s) distributed with this work for additional
+ * information regarding copyright ownership.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ********************************************************************************/
+package org.eclipse.tractusx.irs.edc.client.model;
+
+import lombok.Builder;
+import lombok.Data;
+
+/**
+ * EDC Technical Service API authentication.
+ */
+@Builder
+@Data
+public class EdcTechnicalServiceAuthentication {
+    private String technicalServiceApiKey;
+}