POLICY-SDK-APP/src/main/java/org/onap/policy/controller/PolicyExportAndImportController.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP Policy Engine
   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
  21 package org.onap.policy.controller;
  22
  23
  24 import java.io.BufferedWriter;
  25 import java.io.File;
  26 import java.io.FileInputStream;
  27 import java.io.FileOutputStream;
  28 import java.io.FileWriter;
  29 import java.io.IOException;
  30 import java.io.PrintWriter;
  31 import java.util.ArrayList;
  32 import java.util.HashSet;
  33 import java.util.Iterator;
  34 import java.util.LinkedHashMap;
  35 import java.util.List;
  36 import java.util.Set;
  37
  38 import javax.script.SimpleBindings;
  39 import javax.servlet.http.HttpServletRequest;
  40 import javax.servlet.http.HttpServletResponse;
  41
  42 import org.apache.poi.hssf.usermodel.HSSFRow;
  43 import org.apache.poi.hssf.usermodel.HSSFSheet;
  44 import org.apache.poi.hssf.usermodel.HSSFWorkbook;
  45 import org.apache.poi.ss.usermodel.Cell;
  46 import org.apache.poi.ss.usermodel.Row;
  47 import org.apache.poi.ss.usermodel.Sheet;
  48 import org.apache.poi.ss.usermodel.Workbook;
  49 import org.json.JSONObject;
  50 import org.onap.policy.common.logging.flexlogger.FlexLogger;
  51 import org.onap.policy.common.logging.flexlogger.Logger;
  52 import org.onap.policy.model.Roles;
  53 import org.onap.policy.rest.adapter.PolicyExportAdapter;
  54 import org.onap.policy.rest.dao.CommonClassDao;
  55 import org.onap.policy.rest.jpa.ActionBodyEntity;
  56 import org.onap.policy.rest.jpa.ConfigurationDataEntity;
  57 import org.onap.policy.rest.jpa.PolicyEditorScopes;
  58 import org.onap.policy.rest.jpa.PolicyEntity;
  59 import org.onap.policy.rest.jpa.PolicyVersion;
  60 import org.onap.policy.rest.jpa.UserInfo;
  61 import org.onap.policy.xacml.api.XACMLErrorConstants;
  62 import org.onap.portalsdk.core.controller.RestrictedBaseController;
  63 import org.onap.portalsdk.core.web.support.UserUtils;
  64 import org.springframework.beans.factory.annotation.Autowired;
  65 import org.springframework.stereotype.Controller;
  66 import org.springframework.web.bind.annotation.RequestMapping;
  67
  68 import com.fasterxml.jackson.databind.DeserializationFeature;
  69 import com.fasterxml.jackson.databind.JsonNode;
  70 import com.fasterxml.jackson.databind.ObjectMapper;
  71
  72
  73 @Controller
  74 @RequestMapping("/")
  75 public class PolicyExportAndImportController extends RestrictedBaseController {
  76         private static Logger   logger  = FlexLogger.getLogger(PolicyExportAndImportController.class);
  77
  78         private ArrayList<String> selectedPolicy;
  79         private Set<String> scopes = null;
  80         private List<String> roles = null;
  81         private static String SUPERADMIN = "super-admin";
  82         private static String SUPEREDITOR = "super-editor";
  83         private static String ADMIN = "admin";
  84         private static String EDITOR = "editor";
  85
  86         private static CommonClassDao commonClassDao;
  87
  88         private PolicyEntity policyEntity;
  89         private ConfigurationDataEntity configurationDataEntity;
  90         private ActionBodyEntity actionBodyEntity;
  91         private PolicyVersion policyVersion;
  92
  93         private Workbook workbook;
  94
  95         private HSSFWorkbook workBook2;
  96
  97         private PolicyController policyController;
  98         public PolicyController getPolicyController() {
  99                 return policyController;
 100         }
 101
 102         public void setPolicyController(PolicyController policyController) {
 103                 this.policyController = policyController;
 104         }
 105
 106         public static CommonClassDao getCommonClassDao() {
 107                 return commonClassDao;
 108         }
 109
 110         public static void setCommonClassDao(CommonClassDao commonClassDao) {
 111                 PolicyExportAndImportController.commonClassDao = commonClassDao;
 112         }
 113
 114         @Autowired
 115         private PolicyExportAndImportController(CommonClassDao commonClassDao){
 116                 PolicyExportAndImportController.commonClassDao = commonClassDao;
 117         }
 118
 119         public PolicyExportAndImportController(){
 120                 // Empty constructor
 121         }
 122
 123         @RequestMapping(value={"/policy_download/exportPolicy.htm"}, method={org.springframework.web.bind.annotation.RequestMethod.POST})
 124         public void exportPolicy(HttpServletRequest request, HttpServletResponse response) throws IOException{
 125                 try{
 126                         String file;
 127                         selectedPolicy = new ArrayList<>();
 128                         ObjectMapper mapper = new ObjectMapper();
 129                         mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 130                         JsonNode root = mapper.readTree(request.getReader());
 131                         PolicyExportAdapter adapter = mapper.readValue(root.get("exportData").toString(), PolicyExportAdapter.class);
 132                         for (Object policyId :  adapter.getPolicyDatas()) {
 133                                 LinkedHashMap<?, ?> selected = (LinkedHashMap<?, ?>)policyId;
 134                                 String policyWithScope = selected.get("policyName").toString() + "." + selected.get("activeVersion").toString() + ".xml";
 135                                 String scope = policyWithScope.substring(0 , policyWithScope.lastIndexOf(File.separator)).replace(File.separator, ".");
 136                                 String policyName = policyWithScope.substring(policyWithScope.lastIndexOf(File.separator)+1);
 137                                 selectedPolicy.add(policyName+":"+scope);
 138                         }
 139                         List<Object> entityData = commonClassDao.getMultipleDataOnAddingConjunction(PolicyEntity.class, "policyName:scope", selectedPolicy);
 140
 141                         workBook2 = new HSSFWorkbook();
 142                         HSSFSheet sheet = workBook2.createSheet("PolicyEntity");
 143
 144                         HSSFRow headingRow = sheet.createRow(0);
 145                         headingRow.createCell(0).setCellValue("policyName");
 146                         headingRow.createCell(1).setCellValue("scope");
 147                         headingRow.createCell(2).setCellValue("version");
 148                         headingRow.createCell(3).setCellValue("policyData");
 149                         headingRow.createCell(4).setCellValue("description");
 150                         headingRow.createCell(5).setCellValue("configurationbody");
 151                         headingRow.createCell(6).setCellValue("configurationName");
 152
 153                         short rowNo = 1;
 154                         for (Object object : entityData) {
 155                                 PolicyEntity policyEntity = (PolicyEntity) object;
 156                                 HSSFRow row = sheet.createRow(rowNo);
 157                                 row.createCell(0).setCellValue(policyEntity.getPolicyName());
 158                                 row.createCell(1).setCellValue(policyEntity.getScope());
 159                                 row.createCell(2).setCellValue(policyEntity.getVersion());
 160                                 row.createCell(3).setCellValue(policyEntity.getPolicyData());
 161                                 row.createCell(4).setCellValue(policyEntity.getDescription());
 162                                 if(!policyEntity.getPolicyName().contains("Decision_")){
 163                                         if(policyEntity.getConfigurationData() != null){
 164                                                 row.createCell(5).setCellValue(policyEntity.getConfigurationData().getConfigBody());
 165                                                 row.createCell(6).setCellValue(policyEntity.getConfigurationData().getConfigurationName());
 166                                         }
 167                                         if(policyEntity.getActionBodyEntity() != null){
 168                                                 row.createCell(5).setCellValue(policyEntity.getActionBodyEntity().getActionBody());
 169                                                 row.createCell(6).setCellValue(policyEntity.getActionBodyEntity().getActionBodyName());
 170                                         }
 171                                 }else{
 172                                         row.createCell(5).setCellValue("");
 173                                         row.createCell(6).setCellValue("");
 174                                 }
 175                                 rowNo++;
 176                         }
 177
 178                         String tmp = System.getProperty("catalina.base") + File.separator + "webapps" + File.separator + "temp";
 179                         String deleteCheckPath = tmp + File.separator + "PolicyExport.xls";
 180                         File deleteCheck = new File(deleteCheckPath);
 181                         if(deleteCheck.exists()){
 182                                 deleteCheck.delete();
 183                         }
 184                         File temPath = new File(tmp);
 185                         if(!temPath.exists()){
 186                                 temPath.mkdir();
 187                         }
 188
 189                         file =  temPath + File.separator + "PolicyExport.xls";
 190                         File filepath = new File(file);
 191                         FileOutputStream fos = new FileOutputStream(filepath);
 192                         workBook2.write(fos);
 193                         fos.flush();
 194
 195                         response.setCharacterEncoding("UTF-8");
 196                         response.setContentType("application / json");
 197                         request.setCharacterEncoding("UTF-8");
 198
 199                         PrintWriter out = response.getWriter();
 200                         String successMap = file.substring(file.lastIndexOf("webapps")+8);
 201                         String responseString = mapper.writeValueAsString(successMap);
 202                         JSONObject j = new JSONObject("{data: " + responseString + "}");
 203                         out.write(j.toString());
 204                 }catch(Exception e){
 205                         logger.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR+"Exception Occured while Exporting Policies"+e);
 206                 }
 207         }
 208
 209         //Policy Import
 210         public JSONObject importRepositoryFile(String file, HttpServletRequest request) throws IOException{
 211                 boolean configExists = false;
 212                 boolean actionExists = false;
 213                 String configName = null;
 214                 String scope;
 215                 boolean finalColumn;
 216                 PolicyController controller = policyController != null ? getPolicyController() : new PolicyController();
 217                 String userId = UserUtils.getUserSession(request).getOrgUserId();
 218                 UserInfo userInfo = (UserInfo) commonClassDao.getEntityItem(UserInfo.class, "userLoginId", userId);
 219
 220                 //Check if the Role and Scope Size are Null get the values from db.
 221                 List<Object> userRoles = controller.getRoles(userId);
 222                 roles = new ArrayList<>();
 223                 scopes = new HashSet<>();
 224                 for(Object role: userRoles){
 225                         Roles userRole = (Roles) role;
 226                         roles.add(userRole.getRole());
 227                         if(userRole.getScope() != null){
 228                                 if(userRole.getScope().contains(",")){
 229                                         String[] multipleScopes = userRole.getScope().split(",");
 230                                         for(int i =0; i < multipleScopes.length; i++){
 231                                                 scopes.add(multipleScopes[i]);
 232                                         }
 233                                 }else{
 234                                         scopes.add(userRole.getScope());
 235                                 }
 236                         }
 237                 }
 238                 FileInputStream excelFile = new FileInputStream(new File(file));
 239                 workbook = new HSSFWorkbook(excelFile);
 240                 Sheet datatypeSheet = workbook.getSheetAt(0);
 241                 Iterator<Row> rowIterator = datatypeSheet.iterator();
 242
 243                 while (rowIterator.hasNext()) {
 244                         finalColumn = false;
 245                         policyEntity = new PolicyEntity();
 246                         configurationDataEntity = new ConfigurationDataEntity();
 247                         actionBodyEntity = new ActionBodyEntity();
 248                         policyVersion = new PolicyVersion();
 249                         Row currentRow = rowIterator.next();
 250                         if (currentRow.getRowNum() == 0) {
 251                                 continue;
 252                         }
 253                         Iterator<Cell> cellIterator = currentRow.cellIterator();
 254                         while (cellIterator.hasNext()) {
 255                                 Cell cell = cellIterator.next();
 256                                 if ("policyName".equalsIgnoreCase(getCellHeaderName(cell))) {
 257                                         policyEntity.setPolicyName(cell.getStringCellValue());
 258                                 }
 259                                 if ("scope".equalsIgnoreCase(getCellHeaderName(cell))) {
 260                                         policyEntity.setScope(cell.getStringCellValue());
 261                                 }
 262                                 if ("policyData".equalsIgnoreCase(getCellHeaderName(cell))) {
 263                                         policyEntity.setPolicyData(cell.getStringCellValue());
 264                                 }
 265                                 if ("description".equalsIgnoreCase(getCellHeaderName(cell))) {
 266                                         policyEntity.setDescription(cell.getStringCellValue());
 267                                 }
 268                                 if ("configurationbody".equalsIgnoreCase(getCellHeaderName(cell))) {
 269                                         if(policyEntity.getPolicyName().contains("Config_")){
 270                                                 configExists = true;
 271                                                 configurationDataEntity.setConfigBody(cell.getStringCellValue());
 272                                         }else if(policyEntity.getPolicyName().contains("Action_")){
 273                                                 actionExists = true;
 274                                                 actionBodyEntity.setActionBody(cell.getStringCellValue());
 275                                         }
 276                                 }
 277                                 if ("configurationName".equalsIgnoreCase(getCellHeaderName(cell))) {
 278                                         finalColumn = true;
 279                                         configName = cell.getStringCellValue();
 280                                         if(policyEntity.getPolicyName().contains("Config_")){
 281                                                 configurationDataEntity.setConfigurationName(cell.getStringCellValue());
 282                                         }else if(policyEntity.getPolicyName().contains("Action_")){
 283                                                 actionBodyEntity.setActionBodyName(cell.getStringCellValue());
 284                                         }
 285                                 }
 286
 287                                 if(finalColumn){
 288                                         scope = policyEntity.getScope().replace(".", File.separator);
 289                                         String query = "FROM PolicyEntity where policyName = :policyName and scope = :policyScope";
 290                                         SimpleBindings params = new SimpleBindings();
 291                                         params.put("policyName", policyEntity.getPolicyName());
 292                                         params.put("policyScope", policyEntity.getScope());
 293                                         List<Object> queryData = controller.getDataByQuery(query, params);
 294                                         if(!queryData.isEmpty()){
 295                                                 continue;
 296                                         }
 297                                         if (roles.contains(SUPERADMIN) || roles.contains(SUPEREDITOR)) {
 298                                                 //1. if Role contains super admin create scope.
 299                                                 //2. if Role contains super editor don't create new scope and add to list to show to user.
 300
 301                                                 PolicyEditorScopes policyEditorScope = (PolicyEditorScopes) commonClassDao.getEntityItem(PolicyEditorScopes.class, "scopeName", scope);
 302                                                 if(policyEditorScope == null){
 303                                                         if(roles.contains(SUPERADMIN)){
 304                                                                 PolicyEditorScopes policyEditorScopeEntity = new PolicyEditorScopes();
 305                                                                 policyEditorScopeEntity.setScopeName(scope);
 306                                                                 policyEditorScopeEntity.setUserCreatedBy(userInfo);
 307                                                                 policyEditorScopeEntity.setUserModifiedBy(userInfo);
 308                                                                 commonClassDao.save(policyEditorScopeEntity);
 309                                                         }else{
 310                                                                 //Add Error Message a new Scope Exists, contact super-admin to create a new scope
 311                                                                 continue;
 312                                                         }
 313                                                 }
 314                                         }
 315                                         if (roles.contains(ADMIN) || roles.contains(EDITOR)) {
 316                                                 if(scopes.isEmpty()){
 317                                                         logger.error("No Scopes has been Assigned to the User. Please, Contact Super-Admin");
 318                                                 }else{
 319                                                         //1. if Role contains admin, then check if parent scope has role admin, if not don't create a scope and add to list.
 320                                                         if(roles.contains(ADMIN)){
 321                                                                 String scopeCheck = scope.substring(0, scope.lastIndexOf('.'));
 322                                                                 if(scopes.contains(scopeCheck)){
 323                                                                         PolicyEditorScopes policyEditorScopeEntity = new PolicyEditorScopes();
 324                                                                         policyEditorScopeEntity.setScopeName(scope);
 325                                                                         policyEditorScopeEntity.setUserCreatedBy(userInfo);
 326                                                                         policyEditorScopeEntity.setUserModifiedBy(userInfo);
 327                                                                         commonClassDao.save(policyEditorScopeEntity);
 328                                                                 }else{
 329                                                                         continue;
 330                                                                 }
 331                                                         }else{
 332                                                                 continue;
 333                                                         }
 334                                                 }
 335                                         }
 336
 337                                         if(configExists){
 338                                                 if(configName.endsWith("json")){
 339                                                         configurationDataEntity.setConfigType("JSON");
 340                                                 }else if(configName.endsWith("txt")){
 341                                                         configurationDataEntity.setConfigType("OTHER");
 342                                                 }else if(configName.endsWith("xml")){
 343                                                         configurationDataEntity.setConfigType("XML");
 344                                                 }else if(configName.endsWith("properties")){
 345                                                         configurationDataEntity.setConfigType("PROPERTIES");
 346                                                 }
 347                                                 configurationDataEntity.setDeleted(false);
 348                                                 configurationDataEntity.setCreatedBy(userId);
 349                                                 configurationDataEntity.setModifiedBy(userId);
 350                                                 commonClassDao.save(configurationDataEntity);
 351                                                 try(FileWriter fw = new FileWriter(PolicyController.getConfigHome() + File.separator + configName)){
 352                                                         BufferedWriter bw = new BufferedWriter(fw);
 353                                                         bw.write(configurationDataEntity.getConfigBody());
 354                                                         bw.close();
 355                                                 } catch (IOException e) {
 356                                                         logger.error("Exception Occured While cloning the configuration file",e);
 357                                                 }
 358                                         }
 359                                         if(actionExists){
 360                                                 actionBodyEntity.setDeleted(false);
 361                                                 actionBodyEntity.setCreatedBy(userId);
 362                                                 actionBodyEntity.setModifiedBy(userId);
 363                                                 commonClassDao.save(actionBodyEntity);
 364                                                 try(FileWriter fw = new FileWriter(PolicyController.getActionHome() + File.separator + actionBodyEntity.getActionBodyName())) {
 365                                                         BufferedWriter bw = new BufferedWriter(fw);
 366                                                         bw.write(actionBodyEntity.getActionBody());
 367                                                         bw.close();
 368                                                 } catch (IOException e) {
 369                                                         logger.error("Exception Occured While cloning the configuration file",e);
 370                                                 }
 371                                         }
 372                                         if(configName != null){
 373                                                 if(configName.contains("Config_")){
 374                                                         ConfigurationDataEntity configuration = (ConfigurationDataEntity) commonClassDao.getEntityItem(ConfigurationDataEntity.class, "configurationName", configName);
 375                                                         policyEntity.setConfigurationData(configuration);
 376                                                 }else{
 377                                                         ActionBodyEntity actionBody = (ActionBodyEntity) commonClassDao.getEntityItem(ActionBodyEntity.class, "actionBodyName", configName);
 378                                                         policyEntity.setActionBodyEntity(actionBody);
 379                                                 }
 380                                         }
 381                                         policyEntity.setCreatedBy(userId);
 382                                         policyEntity.setModifiedBy(userId);
 383                                         policyEntity.setDeleted(false);
 384                                         commonClassDao.save(policyEntity);
 385
 386                                         policyVersion = new PolicyVersion();
 387                                         String policyName = policyEntity.getPolicyName().replace(".xml", "");
 388                                         int version = Integer.parseInt(policyName.substring(policyName.lastIndexOf('.')+1));
 389                                         policyName = policyName.substring(0, policyName.lastIndexOf('.'));
 390
 391                                         policyVersion.setPolicyName(scope.replace(".", File.separator) + File.separator + policyName);
 392                                         policyVersion.setActiveVersion(version);
 393                                         policyVersion.setHigherVersion(version);
 394                                         policyVersion.setCreatedBy(userId);
 395                                         policyVersion.setModifiedBy(userId);
 396                                         commonClassDao.save(policyVersion);
 397                                 }
 398                         }
 399                 }
 400                 return null;
 401         }
 402
 403         //return the column header name value
 404         private String getCellHeaderName(Cell cell){
 405                 return cell.getSheet().getRow(0).getCell(cell.getColumnIndex()).getRichStringCellValue().toString();
 406         }
 407 }