--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP-PDP-REST
+ * ================================================================================
+ * 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.policy.pdp.rest.api.services;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.UUID;
+
+import javax.json.Json;
+import javax.json.JsonArrayBuilder;
+import javax.json.JsonObject;
+import javax.json.JsonObjectBuilder;
+
+import org.onap.policy.api.DecisionRequestParameters;
+import org.onap.policy.api.DecisionResponse;
+import org.onap.policy.api.PolicyDecision;
+import org.onap.policy.api.PolicyDecisionException;
+import org.onap.policy.common.logging.flexlogger.FlexLogger;
+import org.onap.policy.common.logging.flexlogger.Logger;
+import org.onap.policy.pdp.rest.api.models.PDPResponse;
+import org.onap.policy.std.StdDecisionResponse;
+import org.onap.policy.xacml.api.XACMLErrorConstants;
+import org.springframework.http.HttpStatus;
+
+public class GetDecisionService {
+ private static final Logger LOGGER = FlexLogger.getLogger(GetDecisionService.class.getName());
+
+ private DecisionResponse decisionResponse = null;
+ private HttpStatus status = HttpStatus.BAD_REQUEST;
+ private DecisionRequestParameters decisionRequestParameters = null;
+ private String message = null;
+ private String onapComponentName = null;
+ private Map<String,String> decisionAttributes = null;
+
+ public GetDecisionService(
+ DecisionRequestParameters decisionRequestParameters,
+ String requestID) {
+ this.decisionRequestParameters = decisionRequestParameters;
+ if(decisionRequestParameters.getRequestID()==null){
+ UUID requestUUID = null;
+ if (requestID != null && !requestID.isEmpty()) {
+ try {
+ requestUUID = UUID.fromString(requestID);
+ } catch (IllegalArgumentException e) {
+ requestUUID = UUID.randomUUID();
+ LOGGER.info("Generated Random UUID: " + requestUUID.toString(),e);
+ }
+ }else{
+ requestUUID = UUID.randomUUID();
+ LOGGER.info("Generated Random UUID: " + requestUUID.toString());
+ }
+ this.decisionRequestParameters.setRequestID(requestUUID);
+ }
+ try{
+ run();
+ }catch(PolicyDecisionException e){
+ StdDecisionResponse decisionResponse = new StdDecisionResponse();
+ decisionResponse.setDecision(PolicyDecision.ERROR);
+ decisionResponse.setDetails(XACMLErrorConstants.ERROR_DATA_ISSUE + e);
+ this.decisionResponse = decisionResponse;
+ status = HttpStatus.BAD_REQUEST;
+ }
+ }
+
+ private void run() throws PolicyDecisionException{
+ // Get Validation.
+ if(!getValidation()){
+ LOGGER.error(message);
+ throw new PolicyDecisionException(message);
+ }
+ // Generate Request.
+ String modelString = getModel().toString();
+ LOGGER.debug("Generated JSON Request is: " + modelString);
+ // Process Result.
+ try {
+ PDPServices pdpServices = new PDPServices();
+ status = HttpStatus.OK;
+ decisionResponse = decisionResult(pdpServices.generateRequest(modelString, decisionRequestParameters.getRequestID(), false, true));
+ } catch (Exception e) {
+ LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + e);
+ status = HttpStatus.BAD_REQUEST;
+ throw new PolicyDecisionException(e);
+ }
+ }
+
+ private DecisionResponse decisionResult(
+ Collection<PDPResponse> generateRequest) {
+ StdDecisionResponse policyDecision = new StdDecisionResponse();
+ if (generateRequest == null) {
+ return policyDecision;
+ }
+ if (!generateRequest.isEmpty()) {
+ for (PDPResponse stdStatus : generateRequest) {
+ policyDecision.setDecision(stdStatus.getDecision());
+ policyDecision.setDetails(stdStatus.getDetails());
+ }
+ }
+ return policyDecision;
+ }
+
+ private JsonObject getModel() throws PolicyDecisionException{
+ JsonArrayBuilder resourceArray = Json.createArrayBuilder();
+ for (Entry<String,String> key : decisionAttributes.entrySet()) {
+ if (key.getKey().isEmpty()) {
+ String message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Cannot have an Empty Key";
+ LOGGER.error(message);
+ throw new PolicyDecisionException(message);
+ }
+ JsonObjectBuilder resourceBuilder = Json.createObjectBuilder();
+ if (key.getValue().matches("[0-9]+")) {
+
+ if ((key.getKey().equals("ErrorCode")) || (key.getKey().equals("WorkStep"))) {
+
+ resourceBuilder.add("Value", key.getValue());
+
+ } else {
+
+ int val = Integer.parseInt(key.getValue());
+ resourceBuilder.add("Value", val);
+
+ }
+
+ } else {
+ resourceBuilder.add("Value", key.getValue());
+ }
+ resourceBuilder.add("AttributeId", key.getKey());
+ resourceArray.add(resourceBuilder);
+ }
+ return Json.createObjectBuilder()
+ .add("Request", Json.createObjectBuilder()
+ .add("AccessSubject", Json.createObjectBuilder()
+ .add("Attribute", Json.createObjectBuilder()
+ .add("Value", onapComponentName)
+ .add("AttributeId", "ONAPName")))
+ .add("Resource", Json.createObjectBuilder()
+ .add("Attribute", resourceArray))
+ .add("Action", Json.createObjectBuilder()
+ .add("Attribute", Json.createObjectBuilder()
+ .add("Value", "DECIDE")
+ .add("AttributeId", "urn:oasis:names:tc:xacml:1.0:action:action-id"))))
+ .build();
+ }
+
+ private boolean getValidation() {
+ if(decisionRequestParameters==null){
+ message = XACMLErrorConstants.ERROR_DATA_ISSUE + "No Decision Request Paramaters";
+ return false;
+ }
+ onapComponentName = decisionRequestParameters.getONAPComponentName();
+ decisionAttributes = decisionRequestParameters.getDecisionAttributes();
+ if (onapComponentName == null || onapComponentName.isEmpty()) {
+ message = XACMLErrorConstants.ERROR_DATA_ISSUE + "No onapComponentName given : " + onapComponentName;
+ return false;
+ }
+ if (decisionAttributes == null || decisionAttributes.isEmpty()) {
+ message = XACMLErrorConstants.ERROR_DATA_ISSUE + "No Decision Attributes Given. ";
+ return false;
+ }
+ return true;
+ }
+
+ public DecisionResponse getResult() {
+ return decisionResponse;
+ }
+
+ public HttpStatus getResponseCode() {
+ return status;
+ }
+
+}
+
Code Review / policy / engine.git / blobdiff