POLICY-SDK-APP/src/main/java/org/onap/policy/controller/PDPController.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.File;
  25 import java.io.PrintWriter;
  26 import java.util.ArrayList;
  27 import java.util.Collections;
  28 import java.util.HashSet;
  29 import java.util.Iterator;
  30 import java.util.List;
  31 import java.util.Set;
  32
  33 import javax.servlet.http.HttpServletRequest;
  34 import javax.servlet.http.HttpServletResponse;
  35
  36 import org.json.JSONObject;
  37 import org.onap.policy.admin.RESTfulPAPEngine;
  38 import org.onap.policy.common.logging.flexlogger.FlexLogger;
  39 import org.onap.policy.common.logging.flexlogger.Logger;
  40 import org.onap.policy.model.PDPGroupContainer;
  41 import org.onap.policy.model.Roles;
  42 import org.onap.policy.xacml.api.XACMLErrorConstants;
  43 import org.onap.policy.xacml.api.pap.OnapPDPGroup;
  44 import org.onap.policy.xacml.api.pap.PAPPolicyEngine;
  45 import org.onap.policy.xacml.std.pap.StdPDP;
  46 import org.onap.policy.xacml.std.pap.StdPDPGroup;
  47 import org.onap.portalsdk.core.controller.RestrictedBaseController;
  48 import org.onap.portalsdk.core.web.support.JsonMessage;
  49 import org.onap.portalsdk.core.web.support.UserUtils;
  50 import org.springframework.http.MediaType;
  51 import org.springframework.stereotype.Controller;
  52 import org.springframework.web.bind.annotation.RequestMapping;
  53
  54 import com.att.research.xacml.api.pap.PAPException;
  55 import com.att.research.xacml.api.pap.PDPPolicy;
  56 import com.fasterxml.jackson.databind.DeserializationFeature;
  57 import com.fasterxml.jackson.databind.JsonNode;
  58 import com.fasterxml.jackson.databind.ObjectMapper;
  59
  60 @Controller
  61 @RequestMapping({"/"})
  62 public class PDPController extends RestrictedBaseController {
  63         private static final  Logger policyLogger = FlexLogger.getLogger(PDPController.class);
  64
  65         protected List<OnapPDPGroup> groups = Collections.synchronizedList(new ArrayList<OnapPDPGroup>());
  66         private PDPGroupContainer container;
  67
  68         private static String SUPERADMIN = "super-admin";
  69         private static String SUPEREDITOR = "super-editor";
  70         private static String SUPERGUEST = "super-guest";
  71
  72         private Set<OnapPDPGroup> groupsData;
  73
  74         private boolean junit = false;
  75
  76         private PolicyController policyController;
  77         public PolicyController getPolicyController() {
  78                 return policyController;
  79         }
  80
  81         public void setPolicyController(PolicyController policyController) {
  82                 this.policyController = policyController;
  83         }
  84
  85         public synchronized void refreshGroups(HttpServletRequest request) {
  86                 synchronized(this.groups) {
  87                         this.groups.clear();
  88                         try {
  89                                 PolicyController controller = getPolicyControllerInstance();
  90                                 Set<PDPPolicy> filteredPolicies = new HashSet<>();
  91                                 Set<String> scopes = null;
  92                                 List<String> roles = null;
  93                                 String userId =  isJunit()  ? "Test" : UserUtils.getUserSession(request).getOrgUserId();
  94                                 List<Object> userRoles = controller.getRoles(userId);
  95                                 roles = new ArrayList<>();
  96                                 scopes = new HashSet<>();
  97                                 for(Object role: userRoles){
  98                                         Roles userRole = (Roles) role;
  99                                         roles.add(userRole.getRole());
 100                                         if(userRole.getScope() != null){
 101                                                 if(userRole.getScope().contains(",")){
 102                                                         String[] multipleScopes = userRole.getScope().split(",");
 103                                                         for(int i =0; i < multipleScopes.length; i++){
 104                                                                 scopes.add(multipleScopes[i]);
 105                                                         }
 106                                                 }else{
 107                                                         scopes.add(userRole.getScope());
 108                                                 }
 109                                         }
 110                                 }
 111                                 if(!junit&& controller.getPapEngine()==null){
 112                                     setPAPEngine(request);
 113                                 }
 114                                 if (roles.contains(SUPERADMIN) || roles.contains(SUPEREDITOR) || roles.contains(SUPERGUEST) ) {
 115                                         if(!junit){
 116                                                 this.groups.addAll(controller.getPapEngine().getOnapPDPGroups());
 117                                         }else{
 118                                                 this.groups.addAll(this.getGroupsData());
 119                                         }
 120                                 }else{
 121                                         if(!userRoles.isEmpty()){
 122                                                 if(!scopes.isEmpty()){
 123                                                         this.groups.addAll(controller.getPapEngine().getOnapPDPGroups());
 124                                                         List<OnapPDPGroup> tempGroups = new ArrayList<>();
 125                                                         if(!groups.isEmpty()){
 126                                                                 Iterator<OnapPDPGroup> pdpGroup = groups.iterator();
 127                                                                 while(pdpGroup.hasNext()){
 128                                                                         OnapPDPGroup group = pdpGroup.next();
 129                                                                         Set<PDPPolicy> policies = group.getPolicies();
 130                                                                         for(PDPPolicy policy : policies){
 131                                                                                 for(String scope : scopes){
 132                                                                                         scope = scope.replace(File.separator, ".");
 133                                                                                         String policyName = policy.getId();
 134                                                                                         if(policyName.contains(".Config_")){
 135                                                                                                 policyName = policyName.substring(0, policyName.lastIndexOf(".Config_"));
 136                                                                                         }else if(policyName.contains(".Action_")){
 137                                                                                                 policyName = policyName.substring(0, policyName.lastIndexOf(".Action_"));
 138                                                                                         }else if(policyName.contains(".Decision_")){
 139                                                                                                 policyName = policyName.substring(0, policyName.lastIndexOf(".Decision_"));
 140                                                                                         }
 141                                                                                         if(policyName.startsWith(scope)){
 142                                                                                                 filteredPolicies.add(policy);
 143                                                                                         }
 144                                                                                 }
 145                                                                         }
 146                                                                         pdpGroup.remove();
 147                                                                         StdPDPGroup newGroup = (StdPDPGroup) group;
 148                                                                         newGroup.setPolicies(filteredPolicies);
 149                                                                         tempGroups.add(newGroup);
 150                                                                 }
 151                                                                 groups.clear();
 152                                                                 groups = tempGroups;
 153                                                         }
 154                                                 }
 155                                         }
 156                                 }
 157                         } catch (PAPException e) {
 158                                 String message = "Unable to retrieve Groups from server: " + e;
 159                                 policyLogger.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR+"Pap Engine is Null" + message);
 160                         }
 161                 }
 162         }
 163
 164         private void setPAPEngine(HttpServletRequest request) {
 165             String myRequestURL = request.getRequestURL().toString();
 166         try {
 167             //
 168             // Set the URL for the RESTful PAP Engine
 169             //
 170             PolicyController.setPapEngine((PAPPolicyEngine) new RESTfulPAPEngine(myRequestURL));
 171         }catch(Exception e){
 172             policyLogger.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR+"Exception Occured while loading PAP",e);
 173         }
 174     }
 175
 176     @RequestMapping(value={"/get_PDPGroupData"}, method={org.springframework.web.bind.annotation.RequestMethod.GET} , produces=MediaType.APPLICATION_JSON_VALUE)
 177         public void getPDPGroupEntityData(HttpServletRequest request, HttpServletResponse response){
 178                 try{
 179                         ObjectMapper mapper = new ObjectMapper();
 180                         refreshGroups(request);
 181                         JsonMessage msg = new JsonMessage(mapper.writeValueAsString(groups));
 182                         JSONObject j = new JSONObject(msg);
 183                         response.getWriter().write(j.toString());
 184                 }
 185                 catch (Exception e){
 186                         policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE+"Error Occured while retrieving the PDP Group data" + e);
 187                 }
 188         }
 189
 190         @RequestMapping(value={"/pdp_Group/save_pdp_group"}, method={org.springframework.web.bind.annotation.RequestMethod.POST})
 191         public void savePDPGroup(HttpServletRequest request, HttpServletResponse response){
 192                 try {
 193                         ObjectMapper mapper = new ObjectMapper();
 194                         PolicyController controller = getPolicyControllerInstance();
 195                         mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 196                         JsonNode root = mapper.readTree(request.getReader());
 197                         this.container = new PDPGroupContainer(controller.getPapEngine());
 198
 199                         String userId = UserUtils.getUserSession(request).getOrgUserId();
 200                         policyLogger.info("****************************************Logging UserID for Save PDP Group Function*****************************************");
 201                         policyLogger.info("UserId:  " + userId + "PDP Group Data:  "+ root.get("pdpGroupData").toString());
 202                         policyLogger.info("***************************************************************************************************************************");
 203
 204                         StdPDPGroup pdpGroupData =  mapper.readValue(root.get("pdpGroupData").toString().replace("groupName", "name"), StdPDPGroup.class);
 205                         try {
 206                                 if(pdpGroupData.getId() == null){
 207                                         this.container.addNewGroup(pdpGroupData.getName(), pdpGroupData.getDescription());
 208                                 }else{
 209                                         this.container.updateGroup(pdpGroupData);
 210                                 }
 211
 212                         } catch (Exception e) {
 213                                 String message = "Unable to create Group.  Reason:\n" + e.getMessage();
 214                                 policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE+"Error Occured while creating the PDP Group" + message + e);
 215                         }
 216
 217
 218                         response.setCharacterEncoding("UTF-8");
 219                         response.setContentType("application / json");
 220                         request.setCharacterEncoding("UTF-8");
 221
 222                         PrintWriter out = response.getWriter();
 223                         refreshGroups(request);
 224                         JsonMessage msg = new JsonMessage(mapper.writeValueAsString(groups));
 225                         JSONObject j = new JSONObject(msg);
 226                         out.write(j.toString());
 227                 }
 228                 catch (Exception e){
 229                         policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE+"Error Occured while Saving the PDP Group" + e);
 230                         response.setCharacterEncoding("UTF-8");
 231                         PrintWriter out = null;
 232                         try {
 233                                 request.setCharacterEncoding("UTF-8");
 234                                 out = response.getWriter();
 235                                 out.write(e.getMessage());
 236                         } catch (Exception e1) {
 237                                 policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE+"Error Occured while Saving the PDP Group" + e1);
 238                         }
 239                 }
 240         }
 241
 242         @RequestMapping(value={"/pdp_Group/remove_pdp_group"}, method={org.springframework.web.bind.annotation.RequestMethod.POST})
 243         public void removePDPGroup(HttpServletRequest request, HttpServletResponse response){
 244                 try{
 245                         ObjectMapper mapper = new ObjectMapper();
 246                         mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 247                         JsonNode root = mapper.readTree(request.getReader());
 248                         PolicyController controller = getPolicyControllerInstance();
 249                         this.container = new PDPGroupContainer(controller.getPapEngine());
 250
 251                         String userId = UserUtils.getUserSession(request).getOrgUserId();
 252                         policyLogger.info("****************************************Logging UserID for Remove PDP Group Function*****************************************");
 253                         policyLogger.info("UserId:  " + userId + "PDP Group Data:  "+ root.get("pdpGroupData").toString());
 254                         policyLogger.info("*****************************************************************************************************************************");
 255
 256                         StdPDPGroup pdpGroupData =  mapper.readValue(root.get("pdpGroupData").toString(), StdPDPGroup.class);
 257                         if(pdpGroupData.getName().equals("Default")) {
 258                                 throw new UnsupportedOperationException("You can't remove the Default Group.");
 259                         }else{
 260                                 this.container.removeGroup(pdpGroupData, null);
 261                         }
 262
 263                         response.setCharacterEncoding("UTF-8");
 264                         response.setContentType("application / json");
 265                         request.setCharacterEncoding("UTF-8");
 266
 267                         PrintWriter out = response.getWriter();
 268
 269                         refreshGroups(request);
 270                         JsonMessage msg = new JsonMessage(mapper.writeValueAsString(groups));
 271                         JSONObject j = new JSONObject(msg);
 272                         out.write(j.toString());
 273                 }
 274                 catch (Exception e){
 275                         policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE+"Error Occured while Removing the PDP Group" + e);
 276                         PrintWriter out;
 277                         try {
 278                                 response.setCharacterEncoding("UTF-8");
 279                                 request.setCharacterEncoding("UTF-8");
 280                                 out = response.getWriter();
 281                                 out.write(e.getMessage());
 282                         } catch (Exception e1) {
 283                                 policyLogger.error("Exception Occured"+ e1);
 284                         }
 285                 }
 286         }
 287
 288         @RequestMapping(value={"/pdp_Group/save_pdpTogroup"}, method={org.springframework.web.bind.annotation.RequestMethod.POST})
 289         public void savePDPToGroup(HttpServletRequest request, HttpServletResponse response){
 290                 try {
 291                         ObjectMapper mapper = new ObjectMapper();
 292                         mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 293                         JsonNode root = mapper.readTree(request.getReader());
 294                         PolicyController controller = getPolicyControllerInstance();
 295                         this.container = new PDPGroupContainer(controller.getPapEngine());
 296                         String update = root.get("update").toString();
 297                         PdpData pdpGroupData = (PdpData)mapper.readValue(root.get("pdpInGroup").toString(), PdpData.class);
 298                         StdPDPGroup activeGroupData =  mapper.readValue(root.get("activePDP").toString(), StdPDPGroup.class);
 299
 300                         String userId = UserUtils.getUserSession(request).getOrgUserId();
 301                         policyLogger.info("****************************************Logging UserID while Saving  pdp in  PDP Group*****************************************");
 302                         policyLogger.info("UserId:  " + userId + "PDP Group Data:  "+ root.get("pdpInGroup").toString() + "Active Group Data: "+ root.get("activePDP").toString());
 303                         policyLogger.info("*******************************************************************************************************************************");
 304
 305                         try {
 306
 307                                 if(update.contains("false")){
 308                                         this.container.addNewPDP(pdpGroupData.getId(), activeGroupData, pdpGroupData.getName(), pdpGroupData.getDescription(), pdpGroupData.getJmxPort());
 309                                 }else{
 310                                         this.container.updateGroup(activeGroupData);
 311                                 }
 312                         } catch (Exception e) {
 313                                 String message = "Unable to create Group.  Reason:\n" + e.getMessage();
 314                                 policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE+"Error Occured while Creating Pdp in PDP Group" + message + e);
 315                         }
 316
 317
 318                         response.setCharacterEncoding("UTF-8");
 319                         response.setContentType("application / json");
 320                         request.setCharacterEncoding("UTF-8");
 321
 322                         PrintWriter out = response.getWriter();
 323                         refreshGroups(request);
 324                         JsonMessage msg = new JsonMessage(mapper.writeValueAsString(groups));
 325                         JSONObject j = new JSONObject(msg);
 326                         out.write(j.toString());
 327                 }
 328                 catch (Exception e){
 329                         policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE+"Error Occured while Creating Pdp in PDP Group" + e);
 330                         PrintWriter out;
 331                         try {
 332                                 response.setCharacterEncoding("UTF-8");
 333                                 request.setCharacterEncoding("UTF-8");
 334                                 out = response.getWriter();
 335                                 out.write(e.getMessage());
 336                         } catch (Exception e1) {
 337                                 policyLogger.error("Exception Occured"+ e1);
 338                         }
 339                 }
 340         }
 341
 342         @RequestMapping(value={"/pdp_Group/remove_pdpFromGroup"}, method={org.springframework.web.bind.annotation.RequestMethod.POST})
 343         public void removePDPFromGroup(HttpServletRequest request, HttpServletResponse response){
 344                 try{
 345                         ObjectMapper mapper = new ObjectMapper();
 346                         mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 347                         JsonNode root = mapper.readTree(request.getReader());
 348                         PolicyController controller = getPolicyControllerInstance();
 349                         this.container = new PDPGroupContainer(controller.getPapEngine());
 350                         StdPDP deletePdp =  mapper.readValue(root.get("data").toString(), StdPDP.class);
 351                         StdPDPGroup activeGroupData =  mapper.readValue(root.get("activePDP").toString(), StdPDPGroup.class);
 352
 353                         String userId = UserUtils.getUserSession(request).getOrgUserId();
 354                         policyLogger.info("****************************************Logging UserID while Removing  pdp from  PDP Group*****************************************");
 355                         policyLogger.info("UserId:  " + userId + "Delete PDP Group Data:  "+ root.get("data").toString() + "Active Group Data: "+ root.get("activePDP").toString());
 356                         policyLogger.info("***********************************************************************************************************************************");
 357
 358                         this.container.removePDP(deletePdp, activeGroupData);
 359                         response.setCharacterEncoding("UTF-8");
 360                         response.setContentType("application / json");
 361                         request.setCharacterEncoding("UTF-8");
 362
 363                         PrintWriter out = response.getWriter();
 364                         refreshGroups(request);
 365                         String responseString = mapper.writeValueAsString(groups);
 366                         JSONObject j = new JSONObject("{pdpEntityDatas: " + responseString + "}");
 367                         out.write(j.toString());
 368                 }
 369                 catch (Exception e){
 370                         policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE+"Error Occured while Removing Pdp from PDP Group" + e);
 371                         PrintWriter out;
 372                         try {
 373                                 response.setCharacterEncoding("UTF-8");
 374                                 request.setCharacterEncoding("UTF-8");
 375                                 out = response.getWriter();
 376                                 out.write(e.getMessage());
 377                         } catch (Exception e1) {
 378                                 policyLogger.error("Exception Occured"+ e1);
 379                         }
 380                 }
 381         }
 382
 383         private PolicyController getPolicyControllerInstance(){
 384                 return policyController != null ? getPolicyController() : new PolicyController();
 385         }
 386
 387         public boolean isJunit() {
 388                 return junit;
 389         }
 390
 391         public void setJunit(boolean junit) {
 392                 this.junit = junit;
 393         }
 394
 395         public Set<OnapPDPGroup> getGroupsData() {
 396                 return groupsData;
 397         }
 398
 399         public void setGroupsData(Set<OnapPDPGroup> groupsData) {
 400                 this.groupsData = groupsData;
 401         }
 402 }
 403
 404 class PdpData{
 405         String id;
 406         int jmxPort;
 407         String name;
 408         String description;
 409         public String getId() {
 410                 return id;
 411         }
 412         public void setId(String id) {
 413                 this.id = id;
 414         }
 415         public int getJmxPort() {
 416                 return jmxPort;
 417         }
 418         public void setJmxPort(int jmxPort) {
 419                 this.jmxPort = jmxPort;
 420         }
 421         public String getName() {
 422                 return name;
 423         }
 424         public void setName(String name) {
 425                 this.name = name;
 426         }
 427         public String getDescription() {
 428                 return description;
 429         }
 430         public void setDescription(String description) {
 431                 this.description = description;
 432         }
 433
 434 }