ECOMP-PAP-REST/src/main/java/org/openecomp/policy/pap/xacml/rest/handler/PushPolicyHandler.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ECOMP-PAP-REST
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20 package org.openecomp.policy.pap.xacml.rest.handler;
  21
  22 import java.io.File;
  23 import java.net.URI;
  24 import java.util.List;
  25
  26 import javax.persistence.EntityManager;
  27 import javax.persistence.Query;
  28 import javax.servlet.http.HttpServletRequest;
  29 import javax.servlet.http.HttpServletResponse;
  30
  31 import org.openecomp.policy.common.logging.eelf.MessageCodes;
  32 import org.openecomp.policy.common.logging.eelf.PolicyLogger;
  33 import org.openecomp.policy.pap.xacml.rest.XACMLPapServlet;
  34 import org.openecomp.policy.rest.jpa.PolicyVersion;
  35 import org.openecomp.policy.xacml.api.pap.EcompPDPGroup;
  36 import org.openecomp.policy.xacml.std.pap.StdPDPPolicy;
  37
  38 import com.att.research.xacml.util.XACMLProperties;
  39
  40 public class PushPolicyHandler {
  41
  42         /*
  43          * Get Active Version.
  44          */
  45         public void getActiveVersion(HttpServletRequest request, HttpServletResponse response) {
  46                 EntityManager em = null;
  47                 if(XACMLPapServlet.getEmf()!=null){
  48                         em = (EntityManager) XACMLPapServlet.getEmf().createEntityManager();
  49                 }
  50                 if (em==null){
  51                         PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " Error creating entity manager with persistence unit: " + XACMLPapServlet.getPersistenceUnit());
  52                         return;
  53                 }
  54                 String policyScope = request.getParameter("policyScope");
  55                 String filePrefix = request.getParameter("filePrefix");
  56                 String policyName = request.getParameter("policyName");
  57
  58                 String pvName = policyScope + File.separator + filePrefix + policyName;
  59                 int activeVersion = 0;
  60
  61                 //Get the Active Version to use in the ID
  62                 em.getTransaction().begin();
  63                 Query query = em.createQuery("Select p from PolicyVersion p where p.policyName=:pname");
  64                 query.setParameter("pname", pvName);
  65
  66                 @SuppressWarnings("rawtypes")
  67                 List result = query.getResultList();
  68                 PolicyVersion versionEntity = null;
  69                 if (!result.isEmpty()) {
  70                         versionEntity = (PolicyVersion) result.get(0);
  71                         em.persist(versionEntity);
  72                         activeVersion = versionEntity.getActiveVersion();
  73                         em.getTransaction().commit();
  74                 } else {
  75                         PolicyLogger.debug("No PolicyVersion using policyName found");
  76                 }
  77
  78                 //clean up connection
  79                 em.close();
  80                 if (String.valueOf(activeVersion)!=null || !String.valueOf(activeVersion).equalsIgnoreCase("")) {
  81                         response.setStatus(HttpServletResponse.SC_OK);
  82                         response.addHeader("version", String.valueOf(activeVersion));
  83                 } else {
  84                         response.setStatus(HttpServletResponse.SC_NOT_FOUND);
  85                 }
  86         }
  87
  88         /*
  89          * Get Selected URI path.
  90          */
  91         public void getSelectedURI(HttpServletRequest request, HttpServletResponse response) {
  92                 String gitPath = request.getParameter("gitPath");
  93                 File file = new File(gitPath);
  94                 PolicyLogger.debug("The fileItem is : " + file.toString());
  95                 URI selectedURI = file.toURI();
  96                 String uri = selectedURI.toString();
  97                 if (!uri.equalsIgnoreCase("")) {
  98                         response.setStatus(HttpServletResponse.SC_OK);
  99                         response.addHeader("selectedURI", uri);
 100                 } else {
 101                         response.setStatus(HttpServletResponse.SC_NOT_FOUND);
 102                 }
 103         }
 104
 105         public boolean preSafetyCheck(StdPDPPolicy policy, String configHome){
 106                 return true;
 107         }
 108
 109         public boolean preSafetyCheck(EcompPDPGroup policy, String configHome){
 110                 return true;
 111         }
 112
 113         public static PushPolicyHandler getInstance() {
 114                 try {
 115                         Class<?> pushPolicyHandler = Class.forName(XACMLProperties.getProperty("pushPolicy.impl.className", PushPolicyHandler.class.getName()));
 116                         PushPolicyHandler instance = (PushPolicyHandler) pushPolicyHandler.newInstance();
 117                         return instance;
 118                 } catch (Exception e) {
 119                         PolicyLogger.error(e.getMessage());
 120                 }
 121                 return null;
 122         }
 123 }