1 files changed, 253 insertions, 0 deletions
diff --git a/ECOMP-PAP-REST/src/main/java/org/openecomp/policy/pap/xacml/rest/controller/PushPolicyController.java b/ECOMP-PAP-REST/src/main/java/org/openecomp/policy/pap/xacml/rest/controller/PushPolicyController.java
new file mode 100644
index 000000000..046bb3cfb
--- /dev/null
+++ b/ECOMP-PAP-REST/src/main/java/org/openecomp/policy/pap/xacml/rest/controller/PushPolicyController.java
@@ -0,0 +1,253 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ECOMP-PAP-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.openecomp.policy.pap.xacml.rest.controller;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.ObjectOutputStream;
+import java.net.URI;
+import java.util.List;
+import java.util.UUID;
+
+import javax.persistence.EntityManager;
+import javax.persistence.Query;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.openecomp.policy.common.logging.eelf.MessageCodes;
+import org.openecomp.policy.common.logging.eelf.PolicyLogger;
+import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
+import org.openecomp.policy.common.logging.flexlogger.Logger;
+import org.openecomp.policy.pap.xacml.rest.XACMLPapServlet;
+import org.openecomp.policy.rest.dao.CommonClassDao;
+import org.openecomp.policy.rest.jpa.PolicyEntity;
+import org.openecomp.policy.rest.jpa.PolicyVersion;
+import org.openecomp.policy.xacml.std.pap.StdPDPGroup;
+import org.openecomp.policy.xacml.std.pap.StdPDPPolicy;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+
+import com.att.research.xacml.api.pap.PAPException;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+@Controller
+public class PushPolicyController {
+	private static final Logger LOGGER  = FlexLogger.getLogger(PushPolicyController.class);
+	
+	private static CommonClassDao commonClassDao;
+	
+	@Autowired
+	public PushPolicyController(CommonClassDao commonClassDao){
+		PushPolicyController.commonClassDao = commonClassDao;
+	}
+	
+	public PushPolicyController(){}
+	
+	@RequestMapping(value="/pushPolicy", method=RequestMethod.POST)
+	public void pushPolicy(HttpServletRequest request, HttpServletResponse response){
+		ObjectMapper mapper = new ObjectMapper();
+		mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+		try {
+			JsonNode root = mapper.readTree(request.getInputStream());
+			String policyScope = root.get("policyScope").asText();
+			String filePrefix = root.get("filePrefix").asText();
+			String policyName = root.get("policyName").asText();
+			String pdpGroup = root.get("pdpGroup").asText();
+			String requestID = request.getHeader("X-ECOMP-RequestID");
+			if(requestID==null){
+				requestID = UUID.randomUUID().toString();
+                LOGGER.info("No request ID provided, sending generated ID: " + requestID.toString());
+			}
+			LOGGER.info("Push policy Request : " + root.asText());
+			String policyVersionName = policyScope.replace(".", File.separator) + File.separator
+					+ filePrefix + policyName;
+			List<?> policyVersionObject = commonClassDao.getDataById(PolicyVersion.class, "policyName", policyVersionName);
+			if(policyVersionObject!=null){
+				PolicyVersion policyVersion = (PolicyVersion) policyVersionObject.get(0);
+				String policyID = policyVersionName.replace(File.separator, "."); // This is before adding version.
+				policyVersionName += "." + policyVersion.getActiveVersion() + ".xml";
+				addPolicyToGroup(policyScope, policyID, policyVersionName.replace(File.separator, "."), pdpGroup, response);
+			}else{
+				String message = "Unknown Policy '" + policyName + "'";
+				PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " " + message);
+				response.addHeader("error", "unknownPolicy");
+				response.addHeader("operation", "push");
+				response.addHeader("message", message);
+				response.setStatus(HttpServletResponse.SC_NOT_FOUND);
+				return;
+			}
+			//safetyChecker(policyName);
+		} catch (NullPointerException | IOException e) {
+			LOGGER.error(e);
+			response.setStatus(HttpServletResponse.SC_NOT_FOUND);
+			response.addHeader("error", "unknown");
+			response.addHeader("operation", "push");
+			return;
+		}
+	}
+
+	/*private void safetyChecker(String policyName) {
+		if (XACMLProperties.getProperty("xacml.rest.pap.safetychecker").equals("on")) {
+			if (policyName.contains("Config_MS_") || policyName.contains("BRMS_Param")) {
+				SafetyCheckerService service = new SafetyCheckerService();
+				PolicySafetyChecker safetyChecker = new PolicySafetyChecker();
+				boolean isEntered = false;
+				try {
+					JSONObject policyDataObj = service.getConfigByPolicyName(policyName, XACMLPapServlet.getConfigHome());
+					isEntered = safetyChecker.addItem(policyDataObj);
+				} catch (Exception e) {
+					PolicyLogger.warn(MessageCodes.ERROR_PROCESS_FLOW, "XACMLPapServlet", e, "Error while adding ClosedLoop in the database: "
+							+ "This is a PolicySafetyChecker warning, the push execution may proceed normally.");
+				}
+				if (isEntered) {
+					LOGGER.info("SafetyChecker successfully added the closedLoop to the DB table.");
+				} else {
+					LOGGER.info("SafetyChecker failed to add the closedLoop to the DB table.");
+				}
+			}
+		} else {
+			LOGGER.info("PolicySafetyChecker is turned off.");
+		}
+	}*/
+
+	private void addPolicyToGroup(String policyScope, String policyID, String policyName, String pdpGroup, HttpServletResponse response) {
+		StdPDPGroup selectedPDPGroup = null;
+		StdPDPPolicy selectedPolicy = null;
+		//Get the current policies from the Group and Add the new one
+		//Set<PDPPolicy> currentPoliciesInGroup = null;
+		try {
+			selectedPDPGroup = (StdPDPGroup) XACMLPapServlet.getPAPEngine().getGroup(pdpGroup);
+		} catch (PAPException e1) {
+			PolicyLogger.error(e1);
+		}
+		if(selectedPDPGroup==null){
+			String message = "Unknown groupId '" + selectedPDPGroup + "'";
+			PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " " + message);
+			response.addHeader("error", "unknownGroupId");
+			response.addHeader("operation", "push");
+			response.addHeader("message", message);
+			response.setStatus(HttpServletResponse.SC_NOT_FOUND);
+			return;
+		}
+		//Get PolicyEntity from DB;
+		EntityManager em = XACMLPapServlet.getEmf().createEntityManager();
+		Query createPolicyQuery = em.createQuery("SELECT p FROM PolicyEntity p WHERE p.scope=:scope AND p.policyName=:policyName");			
+		createPolicyQuery.setParameter("scope", policyScope);
+		createPolicyQuery.setParameter("policyName", policyName.substring(policyScope.length()+1));
+		List<?> createPolicyQueryList = createPolicyQuery.getResultList();
+		PolicyEntity policyEntity = null;
+		if(createPolicyQueryList.size()>0){
+			policyEntity = (PolicyEntity)createPolicyQueryList.get(0);
+		}else{
+			PolicyLogger.error("Somehow, more than one policy with the same scope, name, and deleted status were found in the database");
+			String message = "Unknown Policy '" + policyName + "'";
+			PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " " + message);
+			response.addHeader("error", "unknownPolicy");
+			response.addHeader("operation", "push");
+			response.addHeader("message", message);
+			response.setStatus(HttpServletResponse.SC_NOT_FOUND);
+			return;
+		}
+		File temp = new File(policyName);
+		try {
+			BufferedWriter bw = new BufferedWriter(new FileWriter(temp));
+			bw.write(policyEntity.getPolicyData());
+			bw.close();
+			URI selectedURI = temp.toURI();
+			// Create the policy Object
+			selectedPolicy = new StdPDPPolicy(policyName, true, policyID, selectedURI);
+		} catch (IOException e) {
+			LOGGER.error("Unable to create policy '" + policyName + "': "+ e.getMessage());
+		} 
+		try {
+			new ObjectOutputStream(response.getOutputStream()).writeObject(selectedPolicy);
+		} catch (IOException e) {
+			LOGGER.error(e);
+			response.addHeader("error", "policyCopyError");
+			response.addHeader("message", e.getMessage());
+			response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
+			return;
+		}
+		response.addHeader("Content-Type","application/json");
+		response.setStatus(HttpServletResponse.SC_ACCEPTED);
+		response.addHeader("operation", "push");
+		response.addHeader("policyId", policyName);
+		return;
+		// TODO : Check point to push policies within PAP. 
+		/*PolicyDBDaoTransaction addPolicyToGroupTransaction = XACMLPapServlet.getDbDaoTransaction();
+		try{
+			if (selectedPolicy != null) {
+				// Add Current policies from container
+				currentPoliciesInGroup = selectedPDPGroup.getPolicies();
+				// copy policy to PAP
+				addPolicyToGroupTransaction.addPolicyToGroup(selectedPDPGroup.getId(), policyName,"XACMLPapServlet.pushPolicyController");
+				((StdPDPGroup) selectedPDPGroup).copyPolicyToFile(policyName, policyID, new FileInputStream(temp));
+				addPolicyToGroupTransaction.commitTransaction();
+			}
+		}catch (Exception e) {
+			addPolicyToGroupTransaction.rollbackTransaction();
+			String message = "Policy '" + policyName + "' not copied to group '" + pdpGroup +"': " + e;
+			PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW + " " + message);
+			PolicyLogger.audit("Transaction Failed - See Error.log");
+			response.addHeader("error", "policyCopyError");
+			response.addHeader("message", message);
+			response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
+			return;
+		}
+		//If the selected policy is in the group we must remove it because the name is default
+		for (PDPPolicy existingPolicy : currentPoliciesInGroup) {
+			if (existingPolicy.getId().equals(selectedPolicy.getId())) {
+				selectedPDPGroup.removePolicyFromGroup(existingPolicy);
+				LOGGER.debug("Removing existing policy: " + existingPolicy);
+				break;
+			}
+		}
+		//Update the PDP Group after removing old version of policy
+		//Set<PDPPolicy> updatedPoliciesInGroup = selectedPDPGroup.getPolicies();
+		//need to remove the policy with default name from group
+		for (PDPPolicy updatedPolicy : currentPoliciesInGroup) {
+			if (updatedPolicy.getName().equalsIgnoreCase("default")) {
+				selectedPDPGroup.removePolicyFromGroup(updatedPolicy);
+			}
+		}
+		Set<PDPPolicy> policies = selectedPDPGroup.getPolicies();
+		policies.add(selectedPolicy);
+		selectedPDPGroup.setPolicies(policies);
+		// Update now. 
+		try {
+			XACMLPapServlet.getPAPEngine().updateGroup(selectedPDPGroup);
+		} catch (PAPException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		// policy file copied ok and the Group was updated on the PDP
+		response.setStatus(HttpServletResponse.SC_NO_CONTENT);
+		response.addHeader("operation", "push");
+		response.addHeader("policyId", policyName);
+		response.addHeader("groupId", pdpGroup);
+		return;*/
+	}
+}