+++ /dev/null
-/*-
- * ============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.handler;
-
-import java.io.File;
-import java.io.IOException;
-import java.sql.Connection;
-import java.sql.DriverManager;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.sql.Statement;
-import java.util.List;
-
-import javax.persistence.EntityManager;
-import javax.persistence.Query;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
-import org.openecomp.policy.common.logging.ECOMPLoggingContext;
-import org.openecomp.policy.common.logging.eelf.MessageCodes;
-import org.openecomp.policy.common.logging.eelf.PolicyLogger;
-import org.openecomp.policy.pap.xacml.rest.XACMLPapServlet;
-import org.openecomp.policy.pap.xacml.rest.components.PolicyDBDaoTransaction;
-import org.openecomp.policy.pap.xacml.rest.elk.client.PolicyElasticSearchController;
-import org.openecomp.policy.pap.xacml.rest.model.RemoveGroupPolicy;
-import org.openecomp.policy.pap.xacml.rest.util.JPAUtils;
-import org.openecomp.policy.rest.XACMLRestProperties;
-import org.openecomp.policy.rest.adapter.PolicyRestAdapter;
-import org.openecomp.policy.rest.jpa.PolicyEntity;
-import org.openecomp.policy.rest.jpa.PolicyVersion;
-import org.openecomp.policy.utils.PolicyUtils;
-import org.openecomp.policy.xacml.api.XACMLErrorConstants;
-import org.openecomp.policy.xacml.api.pap.EcompPDPGroup;
-import org.openecomp.policy.xacml.std.pap.StdPAPPolicy;
-import org.openecomp.policy.xacml.std.pap.StdPDPGroup;
-
-import com.att.research.xacml.api.pap.PAPException;
-import com.att.research.xacml.api.pap.PDPPolicy;
-import com.att.research.xacml.util.XACMLProperties;
-
-public class DeleteHandler {
-
- private EcompPDPGroup newgroup;
-
- private static String papDbDriver = null;
- private static String papDbUrl = null;
- private static String papDbUser = null;
- private static String papDbPassword = null;
-
- public void doAPIDeleteFromPAP(HttpServletRequest request, HttpServletResponse response, ECOMPLoggingContext loggingContext) throws Exception {
- // get the request content into a String
- String json = null;
- java.util.Scanner scanner = new java.util.Scanner(request.getInputStream());
- scanner.useDelimiter("\\A");
- json = scanner.hasNext() ? scanner.next() : "";
- scanner.close();
- PolicyLogger.info("JSON request from API: " + json);
- // convert Object sent as JSON into local object
- StdPAPPolicy policy = PolicyUtils.jsonStringToObject(json, StdPAPPolicy.class);
- String policyName = policy.getPolicyName();
- Boolean policyVersionDeleted = false;
- String removeXMLExtension;
- int currentVersion;
- String removeVersionExtension;
- String splitPolicyName = null;
- String[] split = null;
- String status = "error";
- PolicyEntity policyEntity = null;
- JPAUtils jpaUtils = null;
-
- papDbDriver = XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_DB_DRIVER);
- papDbUrl = XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_DB_URL);
- papDbUser = XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_DB_USER);
- papDbPassword = XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_DB_PASSWORD);
- Connection con = null;
-
- try {
- jpaUtils = JPAUtils.getJPAUtilsInstance(XACMLPapServlet.getEmf());
- } catch (Exception e) {
- PolicyLogger.error(MessageCodes.EXCEPTION_ERROR, e, "XACMLPapServlet", " Could not create JPAUtils instance on the PAP");
- response.addHeader("error", "jpautils");
- response.addHeader("operation", "delete");
- response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
- return;
- }
- if (jpaUtils.dbLockdownIgnoreErrors()) {
- PolicyLogger.warn("Policies are locked down");
- response.addHeader("operation", "delete");
- response.addHeader("lockdown", "true");
- response.setStatus(HttpServletResponse.SC_ACCEPTED);
- return;
- }
- EntityManager em = (EntityManager) XACMLPapServlet.getEmf().createEntityManager();
- Query policyEntityQuery = null;
- try{
- if(policyName.endsWith(".xml")){
- removeXMLExtension = policyName.replace(".xml", "");
- currentVersion = Integer.parseInt(removeXMLExtension.substring(removeXMLExtension.lastIndexOf(".")+1));
- removeVersionExtension = removeXMLExtension.substring(0, removeXMLExtension.lastIndexOf("."));
- boolean queryCheck = true;
- if(policy.getDeleteCondition().equalsIgnoreCase("All Versions")){
- if(policyName.contains("Config_")){
- splitPolicyName = removeVersionExtension.replace(".Config_", ":Config_");
- }else if(policyName.contains("Action_")){
- splitPolicyName = removeVersionExtension.replace(".Action_", ":Action_");
- }else if(policyName.contains("Decision_")){
- splitPolicyName = removeVersionExtension.replace(".Decision_", ":Decision_");
- }
- if(splitPolicyName != null){
- split = splitPolicyName.split(":");
- }else{
- PolicyLogger.error(MessageCodes.ERROR_UNKNOWN + "Failed to delete the policy. Please, provide the valid policyname.");
- response.addHeader("error", "unknown");
- response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR );
- return;
- }
- policyEntityQuery = em.createQuery("SELECT p FROM PolicyEntity p WHERE p.policyName LIKE :pName and p.scope=:pScope");
- }else if(policy.getDeleteCondition().equalsIgnoreCase("Current Version")) {
- if(policyName.contains("Config_")){
- splitPolicyName = policyName.replace(".Config_", ":Config_");
- }else if(policyName.contains("Action_")){
- splitPolicyName = policyName.replace(".Action_", ":Action_");
- }else if(policyName.contains("Decision_")){
- splitPolicyName = policyName.replace(".Decision_", ":Decision_");
- }
- split = splitPolicyName.split(":");
- queryCheck = false;
- policyEntityQuery = em.createQuery("SELECT p FROM PolicyEntity p WHERE p.policyName=:pName and p.scope=:pScope");
- }
-
- if(queryCheck){
- policyEntityQuery.setParameter("pName", "%"+split[1]+"%");
- }else{
- policyEntityQuery.setParameter("pName", split[1]);
- }
-
- policyEntityQuery.setParameter("pScope", split[0]);
- List<?> peResult = policyEntityQuery.getResultList();
- if(!peResult.isEmpty()){
- Query getPolicyVersion = em.createQuery("Select p from PolicyVersion p where p.policyName=:pname");
- getPolicyVersion.setParameter("pname", removeVersionExtension.replace(".", File.separator));
- List<?> pvResult = getPolicyVersion.getResultList();
- PolicyVersion pVersion = (PolicyVersion) pvResult.get(0);
- int newVersion = 0;
- em.getTransaction().begin();
- Class.forName(papDbDriver);
- con = DriverManager.getConnection(papDbUrl,papDbUser,papDbPassword);
-
- if(policy.getDeleteCondition().equalsIgnoreCase("All Versions")){
- boolean groupCheck = checkPolicyGroupEntity(em, con, peResult);
- if(!groupCheck){
- for(Object peData : peResult){
- policyEntity = (PolicyEntity) peData;
- status = deletePolicyEntityData(em, policyEntity);
- }
- }else{
- status = "PolicyInPDP";
- }
- if(status.equals("error")){
- PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + "Exception Occured while deleting the Entity from Database.");
- response.addHeader("error", "unknown");
- response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR );
- return;
- }else if(status.equals("PolicyInPDP")){
- PolicyLogger.error(MessageCodes.GENERAL_WARNING + "Policy can't be deleted, it is active in PDP Groups.");
- response.addHeader("error", "PolicyInPDP");
- response.setStatus(HttpServletResponse.SC_CONFLICT);
- return;
- }else{
- try{
- policyVersionDeleted = true;
- em.remove(pVersion);
- }catch(Exception e){
- policyVersionDeleted = false;
- }
- }
- }else if(policy.getDeleteCondition().equalsIgnoreCase("Current Version")){
- boolean groupCheck = checkPolicyGroupEntity(em, con, peResult);
- if(!groupCheck){
- policyEntity = (PolicyEntity) peResult.get(0);
- status = deletePolicyEntityData(em, policyEntity);
- }else{
- status = "PolicyInPDP";
- }
-
- if(status.equals("error")){
- PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + "Exception Occured while deleting the Entity from Database.");
- response.addHeader("error", "unknown");
- response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR );
- return;
- }else if(status.equals("PolicyInPDP")){
- PolicyLogger.error(MessageCodes.GENERAL_WARNING + "Policy can't be deleted, it is active in PDP Groups.");
- response.addHeader("error", "unknown");
- response.setStatus(HttpServletResponse.SC_CONFLICT);
- return;
- }else{
- if(currentVersion > 1){
- if(!peResult.isEmpty()){
- for(Object object : peResult){
- policyEntity = (PolicyEntity) object;
- String policyEntityName = policyEntity.getPolicyName().replace(".xml", "");
- int policyEntityVersion = Integer.parseInt(policyEntityName.substring(policyEntityName.lastIndexOf(".")+1));
- if(policyEntityVersion > newVersion){
- newVersion = policyEntityVersion-1;
- }
- }
- }
- pVersion.setActiveVersion(newVersion);
- pVersion.setHigherVersion(newVersion);
- try{
- policyVersionDeleted = true;
- em.persist(pVersion);
- }catch(Exception e){
- policyVersionDeleted = false;
- }
- }else{
- try{
- policyVersionDeleted = true;
- em.remove(pVersion);
- }catch(Exception e){
- policyVersionDeleted = false;
- }
- }
- }
- }
- }else{
- PolicyLogger.error(MessageCodes.ERROR_UNKNOWN + "Failed to delete the policy for an unknown reason. Check the file system and other logs for further information.");
- response.addHeader("error", "unknown");
- response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR );
- return;
- }
- }
- em.getTransaction().commit();
- }catch(Exception e){
- em.getTransaction().rollback();
- PolicyLogger.error(MessageCodes.EXCEPTION_ERROR, e, "XACMLPapServlet", " ERROR");
- response.addHeader("error", "deleteDB");
- response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
- return;
- } finally {
- em.close();
- if(con != null){
- con.close();
- }
- }
-
- if (policyVersionDeleted) {
- response.setStatus(HttpServletResponse.SC_OK);
- response.addHeader("successMapKey", "success");
- response.addHeader("operation", "delete");
- return;
- } else {
- PolicyLogger.error(MessageCodes.ERROR_UNKNOWN + "Failed to delete the policy for an unknown reason. Check the file system and other logs for further information.");
- response.addHeader("error", "unknown");
- response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR );
- return;
- }
- }
-
- public String deletePolicyEntityData(EntityManager em, PolicyEntity policyEntity) throws SQLException{
- PolicyElasticSearchController controller = new PolicyElasticSearchController();
- PolicyRestAdapter policyData = new PolicyRestAdapter();
- String policyName = policyEntity.getPolicyName();
- try{
- if(policyName.contains("Config_")){
- em.remove(policyEntity.getConfigurationData());
- }else if(policyName.contains("Action_")){
- em.remove(policyEntity.getActionBodyEntity());
- }
- String searchPolicyName = policyEntity.getScope() + "." + policyEntity.getPolicyName();
- policyData.setNewFileName(searchPolicyName);
- controller.deleteElk(policyData);
- em.remove(policyEntity);
- }catch(Exception e){
- return "error";
- }
- return "success";
- }
-
- public boolean checkPolicyGroupEntity(EntityManager em, Connection con, List<?> peResult) throws SQLException{
- for(Object peData : peResult){
- PolicyEntity policyEntity = (PolicyEntity) peData;
- Statement st = null;
- ResultSet rs = null;
- try{
- st = con.createStatement();
- rs = st.executeQuery("Select * from PolicyGroupEntity where policyid = '"+policyEntity.getPolicyId()+"'");
- boolean gEntityList = rs.next();
- rs.close();
- if(gEntityList){
- return true;
- }
- }finally{
- if(st != null){
- st.close();
- }
- }
- }
- return false;
- }
-
- public void doAPIDeleteFromPDP(HttpServletRequest request, HttpServletResponse response, ECOMPLoggingContext loggingContext) throws IOException {
- String policyName = request.getParameter("policyName");
- String groupId = request.getParameter("groupId");
- String responseString = null;
- // for PUT operations the group may or may not need to exist before the operation can be done
- EcompPDPGroup group = null;
- try {
- group = XACMLPapServlet.getPAPEngine().getGroup(groupId);
- } catch (PAPException e) {
- PolicyLogger.error("Exception occured While PUT operation is performing for PDP Group"+e);
- }
- if (group == null) {
- String message = "Unknown groupId '" + groupId + "'";
- PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " " + message);
- loggingContext.transactionEnded();
- PolicyLogger.audit("Transaction Failed - See Error.log");
- response.addHeader("error", "UnknownGroup");
- response.sendError(HttpServletResponse.SC_NOT_FOUND, message);
- return;
- } else {
- loggingContext.setServiceName("API:PAP.deletPolicyFromPDPGroup");
- if (policyName.contains("xml")) {
- PolicyLogger.debug("The full file name including the extension was provided for policyName.. continue.");
- } else {
- String message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Invalid policyName... "
- + "policyName must be the full name of the file to be deleted including version and extension";
- PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " Invalid policyName... "
- + "policyName must be the full name of the file to be deleted including version and extension");
- response.addHeader("error", message);
- response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
- return;
- }
- RemoveGroupPolicy removePolicy = new RemoveGroupPolicy((StdPDPGroup) group);
- PDPPolicy policy = group.getPolicy(policyName);
- if (policy != null) {
-
- if ((policy.getId().contains("Config_MS_")) || (policy.getId().contains("BRMS_Param"))) {
- if (preSafetyCheck(policy)) {
- PolicyLogger.debug("Precheck Successful.");
- }
- }
-
- removePolicy.prepareToRemove(policy);
- EcompPDPGroup updatedGroup = removePolicy.getUpdatedObject();
- responseString = deletePolicyFromPDPGroup(updatedGroup, loggingContext);
- } else {
- String message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Policy does not exist on the PDP.";
- PolicyLogger.error(message);
- PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " Policy does not exist on the PDP.");
- response.addHeader("error", message);
- response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
- return;
- }
- }
- if (responseString.equals("success")) {
- PolicyLogger.info("Policy successfully deleted!");
- PolicyLogger.audit("Policy successfully deleted!");
- response.setStatus(HttpServletResponse.SC_OK);
- response.addHeader("successMapKey", "success");
- response.addHeader("operation", "delete");
- return;
- } else if (responseString.equals("No Group")) {
- String message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Group update had bad input.";
- PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " Group update had bad input.");
- response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
- response.addHeader("error", "groupUpdate");
- response.addHeader("message", message);
- return;
- } else if (responseString.equals("DB Error")) {
- PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW + " Error while updating group in the database");
- response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
- response.addHeader("error", "deleteDB");
- return;
- } else {
- PolicyLogger.error(MessageCodes.ERROR_UNKNOWN + " Failed to delete the policy for an unknown reason. Check the file system and other logs for further information.");
- response.addHeader("error", "unknown");
- response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR );
- return;
- }
- }
-
- private String deletePolicyFromPDPGroup (EcompPDPGroup group, ECOMPLoggingContext loggingContext){
- PolicyDBDaoTransaction acPutTransaction = XACMLPapServlet.getDbDaoTransaction();
- String response = null;
- loggingContext.setServiceName("API:PAP.DeleteHandler");
- EcompPDPGroup existingGroup = null;
- try {
- existingGroup = XACMLPapServlet.getPAPEngine().getGroup(group.getId());
- } catch (PAPException e1) {
- PolicyLogger.error("Exception occured While Deleting Policy From PDP Group"+e1);
- }
- if (group == null || ! (group instanceof StdPDPGroup) || existingGroup == null || ! (group.getId().equals(existingGroup.getId()))) {
- String existingID = null;
- if(existingGroup != null){
- existingID = existingGroup.getId();
- }
- PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " Group update had bad input. id=" + existingID + " objectFromJSON="+group);
- loggingContext.transactionEnded();
- PolicyLogger.audit("Transaction Failed - See Error.log");
- response = "No Group";
- return response;
- }
- // The Path on the PAP side is not carried on the RESTful interface with the AC
- // (because it is local to the PAP)
- // so we need to fill that in before submitting the group for update
- ((StdPDPGroup)group).setDirectory(((StdPDPGroup)existingGroup).getDirectory());
- try{
- acPutTransaction.updateGroup(group, "XACMLPapServlet.doAPIDelete");
- } catch(Exception e){
- PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "XACMLPapServlet", " Error while updating group in the database: "
- +"group="+existingGroup.getId());
- response = "DB Error";
- return response;
- }
- try {
- XACMLPapServlet.getPAPEngine().updateGroup(group);
- } catch (PAPException e) {
- PolicyLogger.error("Exception occured While Updating PDP Groups"+e);
- response = "error in updateGroup method";
- }
- PolicyLogger.debug("Group '" + group.getId() + "' updated");
- acPutTransaction.commitTransaction();
- // Group changed, which might include changing the policies
- try {
- newgroup = existingGroup;
- } catch (Exception e) {
- PolicyLogger.error("Exception occured in Group Change Method"+e);
- response = "error in groupChanged method";
- }
- if (response==null){
- response = "success";
- PolicyLogger.audit("Policy successfully deleted!");
- PolicyLogger.audit("Transaction Ended Successfully");
- }
- loggingContext.transactionEnded();
- PolicyLogger.audit("Transaction Ended");
- return response;
- }
-
- public EcompPDPGroup getDeletedGroup(){
- return newgroup;
- }
-
- public boolean preSafetyCheck(PDPPolicy policy) {
- return true;
- }
-
- public static DeleteHandler getInstance() {
- try {
- Class<?> deleteHandler = Class.forName(XACMLProperties.getProperty("deletePolicy.impl.className", DeleteHandler.class.getName()));
- DeleteHandler instance = (DeleteHandler) deleteHandler.newInstance();
- return instance;
- } catch (Exception e) {
- PolicyLogger.error(e.getMessage());
- }
- return null;
- }
-
-}
Code Review / policy / engine.git / blobdiff