1 files changed, 131 insertions, 0 deletions
diff --git a/common/src/main/java/org/onap/so/client/aai/AAIRestClient.java b/common/src/main/java/org/onap/so/client/aai/AAIRestClient.java
new file mode 100644
index 0000000000..2bd5f118c0
--- /dev/null
+++ b/common/src/main/java/org/onap/so/client/aai/AAIRestClient.java
@@ -0,0 +1,131 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * 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.onap.so.client.aai;
+
+import java.net.URI;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.regex.Pattern;
+
+import javax.ws.rs.core.Response;
+
+import org.onap.so.client.ResponseExceptionMapper;
+import org.onap.so.client.RestClientSSL;
+import org.onap.so.client.graphinventory.exceptions.GraphInventoryPatchDepthExceededException;
+import org.onap.so.client.policy.CommonObjectMapperProvider;
+import org.onap.so.jsonpath.JsonPathUtil;
+import org.onap.so.utils.TargetEntity;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+
+public class AAIRestClient extends RestClientSSL {
+
+	private final AAIProperties aaiProperties;
+	private static final AAICommonObjectMapperProvider standardProvider = new AAICommonObjectMapperProvider();
+	private static final AAICommonObjectMapperPatchProvider patchProvider = new AAICommonObjectMapperPatchProvider();
+	private static final Pattern LOCATE_COMPLEX_OBJECT = Pattern.compile("^((?!relationship-list).)+?\\['[^\\[\\]]+?'\\]$");
+
+	protected AAIRestClient(AAIProperties props, URI uri) {
+		super(props, Optional.of(uri));
+		this.aaiProperties = props;
+	}
+
+	@Override
+    public TargetEntity getTargetEntity(){
+	    return TargetEntity.AAI;
+    }
+
+	@Override
+	protected void initializeHeaderMap(Map<String, String> headerMap) {
+		headerMap.put("X-FromAppId", "MSO");
+		headerMap.put("X-TransactionId", requestId);
+		String auth = aaiProperties.getAuth();
+		String key = aaiProperties.getKey();
+
+		if (auth != null && !auth.isEmpty() && key != null && !key.isEmpty()) {
+			addBasicAuthHeader(auth, key);
+		}
+	}
+
+	@Override
+	protected Optional<ResponseExceptionMapper> addResponseExceptionMapper() {
+
+		return Optional.of(new AAIClientResponseExceptionMapper());
+	}
+	
+	@Override
+	protected CommonObjectMapperProvider getCommonObjectMapperProvider() {
+		return standardProvider;
+	}
+
+	@Override
+	public Response patch(Object obj) {
+		String value = convertObjectToPatchFormat(obj);
+		validatePatchObject(value);
+		return super.patch(value);
+	}
+
+	@Override
+	public <T> T patch(Object obj, Class<T> resultClass) {
+		String value = convertObjectToPatchFormat(obj);
+		validatePatchObject(value);
+		return super.patch(value, resultClass);
+	}
+	
+	protected String convertObjectToPatchFormat(Object obj) {
+		Object value = obj;
+		try {
+			if (!(obj instanceof Map || obj instanceof String)) {
+				value = patchProvider.getMapper().writeValueAsString(obj);
+			} else if (obj instanceof Map) {
+				value = standardProvider.getMapper().writeValueAsString(obj);
+			}
+		} catch (JsonProcessingException e) {
+			value = "{}";
+		}
+		
+		return (String)value;
+	}
+	
+	
+	protected void validatePatchObject(String payload) {
+		if (hasComplexObject(payload)) {
+			throw new GraphInventoryPatchDepthExceededException(payload);
+		}
+	}
+	
+	/** validates client side that json does not include any complex objects
+	 * relationship-list is omitted from this validation
+	 */
+	protected boolean hasComplexObject(String json) {
+		if (json.isEmpty()) {
+			return false;
+		}
+		String complex = "$.*.*";
+		String array = "$.*.*.*";
+		List<String> result = JsonPathUtil.getInstance().getPathList(json, complex);
+		List<String> result2 = JsonPathUtil.getInstance().getPathList(json, array);
+		
+		result.addAll(result2);
+		return result.stream().anyMatch(item -> LOCATE_COMPLEX_OBJECT.matcher(item).find());
+	}
+}