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.utils.UserUtils.Pair;
  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;
  92                                 List<String> roles;
  93                                 String userId =  isJunit()  ? "Test" : UserUtils.getUserSession(request).getOrgUserId();
  94                                 List<Object> userRoles = controller.getRoles(userId);
  95                                 Pair<Set<String>, List<String>> pair = org.onap.policy.utils.UserUtils.checkRoleAndScope(userRoles);
  96                                 roles = pair.u;
  97                                 scopes = pair.t;
  98
  99                                 if(!junit&& controller.getPapEngine()==null){
 100                                     setPAPEngine(request);
 101                                 }
 102                                 if (roles.contains(SUPERADMIN) || roles.contains(SUPEREDITOR) || roles.contains(SUPERGUEST) ) {
 103                                         if(!junit){
 104                                                 this.groups.addAll(controller.getPapEngine().getOnapPDPGroups());
 105                                         }else{
 106                                                 this.groups.addAll(this.getGroupsData());
 107                                         }
 108                                 }else{
 109                                         if(!userRoles.isEmpty() && !scopes.isEmpty()){
 110                                                 this.groups.addAll(controller.getPapEngine().getOnapPDPGroups());
 111                                                 List<OnapPDPGroup> tempGroups = new ArrayList<>();
 112                                                 if(!groups.isEmpty()){
 113                                                         Iterator<OnapPDPGroup> pdpGroup = groups.iterator();
 114                                                         while(pdpGroup.hasNext()){
 115                                                                 OnapPDPGroup group = pdpGroup.next();
 116                                                                 Set<PDPPolicy> policies = group.getPolicies();
 117                                                                 for(PDPPolicy policy : policies){
 118                                                                         for(String scope : scopes){
 119                                                                                 scope = scope.replace(File.separator, ".");
 120                                                                                 String policyName = policy.getId();
 121                                                                                 if(policyName.contains(".Config_")){
 122                                                                                         policyName = policyName.substring(0, policyName.lastIndexOf(".Config_"));
 123                                                                                 }else if(policyName.contains(".Action_")){
 124                                                                                         policyName = policyName.substring(0, policyName.lastIndexOf(".Action_"));
 125                                                                                 }else if(policyName.contains(".Decision_")){
 126                                                                                         policyName = policyName.substring(0, policyName.lastIndexOf(".Decision_"));
 127                                                                                 }
 128                                                                                 if(policyName.startsWith(scope)){
 129                                                                                         filteredPolicies.add(policy);
 130                                                                                 }
 131                                                                         }
 132                                                                 }
 133                                                                 pdpGroup.remove();
 134                                                                 StdPDPGroup newGroup = (StdPDPGroup) group;
 135                                                                 newGroup.setPolicies(filteredPolicies);
 136                                                                 tempGroups.add(newGroup);
 137                                                         }
 138                                                         groups.clear();
 139                                                         groups = tempGroups;
 140                                                 }
 141                                         }
 142                                 }
 143                         } catch (PAPException e) {
 144                                 String message = "Unable to retrieve Groups from server: " + e;
 145                                 policyLogger.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR+"Pap Engine is Null" + message);
 146                         }
 147                 }
 148         }
 149
 150         private void setPAPEngine(HttpServletRequest request) {
 151             String myRequestURL = request.getRequestURL().toString();
 152         try {
 153             //
 154             // Set the URL for the RESTful PAP Engine
 155             //
 156             PolicyController.setPapEngine((PAPPolicyEngine) new RESTfulPAPEngine(myRequestURL));
 157         }catch(Exception e){
 158             policyLogger.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR+"Exception Occured while loading PAP",e);
 159         }
 160     }
 161
 162     @RequestMapping(value={"/get_PDPGroupData"}, method={org.springframework.web.bind.annotation.RequestMethod.GET} , produces=MediaType.APPLICATION_JSON_VALUE)
 163         public void getPDPGroupEntityData(HttpServletRequest request, HttpServletResponse response){
 164                 try{
 165                         ObjectMapper mapper = new ObjectMapper();
 166                         refreshGroups(request);
 167                         JsonMessage msg = new JsonMessage(mapper.writeValueAsString(groups));
 168                         JSONObject j = new JSONObject(msg);
 169                         response.getWriter().write(j.toString());
 170                 }
 171                 catch (Exception e){
 172                         policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE+"Error Occured while retrieving the PDP Group data" + e);
 173                 }
 174         }
 175
 176         @RequestMapping(value={"/pdp_Group/save_pdp_group"}, method={org.springframework.web.bind.annotation.RequestMethod.POST})
 177         public void savePDPGroup(HttpServletRequest request, HttpServletResponse response){
 178                 try {
 179                         ObjectMapper mapper = new ObjectMapper();
 180                         PolicyController controller = getPolicyControllerInstance();
 181                         mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 182                         JsonNode root = mapper.readTree(request.getReader());
 183                         this.container = new PDPGroupContainer(controller.getPapEngine());
 184
 185                         String userId = UserUtils.getUserSession(request).getOrgUserId();
 186                         policyLogger.info("****************************************Logging UserID for Save PDP Group Function*****************************************");
 187                         policyLogger.info("UserId:  " + userId + "PDP Group Data:  "+ root.get("pdpGroupData").toString());
 188                         policyLogger.info("***************************************************************************************************************************");
 189
 190                         StdPDPGroup pdpGroupData =  mapper.readValue(root.get("pdpGroupData").toString().replace("groupName", "name"), StdPDPGroup.class);
 191                         try {
 192                                 if(pdpGroupData.getId() == null){
 193                                         this.container.addNewGroup(pdpGroupData.getName(), pdpGroupData.getDescription());
 194                                 }else{
 195                                         this.container.updateGroup(pdpGroupData);
 196                                 }
 197
 198                         } catch (Exception e) {
 199                                 String message = "Unable to create Group.  Reason:\n" + e.getMessage();
 200                                 policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE+"Error Occured while creating the PDP Group" + message + e);
 201                         }
 202
 203
 204                         response.setCharacterEncoding("UTF-8");
 205                         response.setContentType("application / json");
 206                         request.setCharacterEncoding("UTF-8");
 207
 208                         PrintWriter out = response.getWriter();
 209                         refreshGroups(request);
 210                         JsonMessage msg = new JsonMessage(mapper.writeValueAsString(groups));
 211                         JSONObject j = new JSONObject(msg);
 212                         out.write(j.toString());
 213                 }
 214                 catch (Exception e){
 215                         policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE+"Error Occured while Saving the PDP Group" + e);
 216                         response.setCharacterEncoding("UTF-8");
 217                         PrintWriter out = null;
 218                         try {
 219                                 request.setCharacterEncoding("UTF-8");
 220                                 out = response.getWriter();
 221                                 out.write(e.getMessage());
 222                         } catch (Exception e1) {
 223                                 policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE+"Error Occured while Saving the PDP Group" + e1);
 224                         }
 225                 }
 226         }
 227
 228         @RequestMapping(value={"/pdp_Group/remove_pdp_group"}, method={org.springframework.web.bind.annotation.RequestMethod.POST})
 229         public void removePDPGroup(HttpServletRequest request, HttpServletResponse response){
 230                 try{
 231                         ObjectMapper mapper = new ObjectMapper();
 232                         mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 233                         JsonNode root = mapper.readTree(request.getReader());
 234                         PolicyController controller = getPolicyControllerInstance();
 235                         this.container = new PDPGroupContainer(controller.getPapEngine());
 236
 237                         String userId = UserUtils.getUserSession(request).getOrgUserId();
 238                         policyLogger.info("****************************************Logging UserID for Remove PDP Group Function*****************************************");
 239                         policyLogger.info("UserId:  " + userId + "PDP Group Data:  "+ root.get("pdpGroupData").toString());
 240                         policyLogger.info("*****************************************************************************************************************************");
 241
 242                         StdPDPGroup pdpGroupData =  mapper.readValue(root.get("pdpGroupData").toString(), StdPDPGroup.class);
 243                         if("Default".equals(pdpGroupData.getName())) {
 244                                 throw new UnsupportedOperationException("You can't remove the Default Group.");
 245                         }else{
 246                                 this.container.removeGroup(pdpGroupData, null);
 247                         }
 248
 249                         response.setCharacterEncoding("UTF-8");
 250                         response.setContentType("application / json");
 251                         request.setCharacterEncoding("UTF-8");
 252
 253                         PrintWriter out = response.getWriter();
 254
 255                         refreshGroups(request);
 256                         JsonMessage msg = new JsonMessage(mapper.writeValueAsString(groups));
 257                         JSONObject j = new JSONObject(msg);
 258                         out.write(j.toString());
 259                 }
 260                 catch (Exception e){
 261                         policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE+"Error Occured while Removing the PDP Group" + e);
 262                         PrintWriter out;
 263                         try {
 264                                 response.setCharacterEncoding("UTF-8");
 265                                 request.setCharacterEncoding("UTF-8");
 266                                 out = response.getWriter();
 267                                 out.write(e.getMessage());
 268                         } catch (Exception e1) {
 269                                 policyLogger.error("Exception Occured"+ e1);
 270                         }
 271                 }
 272         }
 273
 274         @RequestMapping(value={"/pdp_Group/save_pdpTogroup"}, method={org.springframework.web.bind.annotation.RequestMethod.POST})
 275         public void savePDPToGroup(HttpServletRequest request, HttpServletResponse response){
 276                 try {
 277                         ObjectMapper mapper = new ObjectMapper();
 278                         mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 279                         JsonNode root = mapper.readTree(request.getReader());
 280                         PolicyController controller = getPolicyControllerInstance();
 281                         this.container = new PDPGroupContainer(controller.getPapEngine());
 282                         String update = root.get("update").toString();
 283                         PdpData pdpGroupData = mapper.readValue(root.get("pdpInGroup").toString(), PdpData.class);
 284                         StdPDPGroup activeGroupData =  mapper.readValue(root.get("activePDP").toString(), StdPDPGroup.class);
 285
 286                         String userId = UserUtils.getUserSession(request).getOrgUserId();
 287                         policyLogger.info("****************************************Logging UserID while Saving  pdp in  PDP Group*****************************************");
 288                         policyLogger.info("UserId:  " + userId + "PDP Group Data:  "+ root.get("pdpInGroup").toString() + "Active Group Data: "+ root.get("activePDP").toString());
 289                         policyLogger.info("*******************************************************************************************************************************");
 290
 291                         try {
 292
 293                                 if(update.contains("false")){
 294                                         this.container.addNewPDP(pdpGroupData.getId(), activeGroupData, pdpGroupData.getName(), pdpGroupData.getDescription(), pdpGroupData.getJmxPort());
 295                                 }else{
 296                                         this.container.updateGroup(activeGroupData);
 297                                 }
 298                         } catch (Exception e) {
 299                                 String message = "Unable to create Group.  Reason:\n" + e.getMessage();
 300                                 policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE+"Error Occured while Creating Pdp in PDP Group" + message + e);
 301                         }
 302
 303
 304                         response.setCharacterEncoding("UTF-8");
 305                         response.setContentType("application / json");
 306                         request.setCharacterEncoding("UTF-8");
 307
 308                         PrintWriter out = response.getWriter();
 309                         refreshGroups(request);
 310                         JsonMessage msg = new JsonMessage(mapper.writeValueAsString(groups));
 311                         JSONObject j = new JSONObject(msg);
 312                         out.write(j.toString());
 313                 }
 314                 catch (Exception e){
 315                         policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE+"Error Occured while Creating Pdp in PDP Group" + e);
 316                         PrintWriter out;
 317                         try {
 318                                 response.setCharacterEncoding("UTF-8");
 319                                 request.setCharacterEncoding("UTF-8");
 320                                 out = response.getWriter();
 321                                 out.write(e.getMessage());
 322                         } catch (Exception e1) {
 323                                 policyLogger.error("Exception Occured"+ e1);
 324                         }
 325                 }
 326         }
 327
 328         @RequestMapping(value={"/pdp_Group/remove_pdpFromGroup"}, method={org.springframework.web.bind.annotation.RequestMethod.POST})
 329         public void removePDPFromGroup(HttpServletRequest request, HttpServletResponse response){
 330                 try{
 331                         ObjectMapper mapper = new ObjectMapper();
 332                         mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 333                         JsonNode root = mapper.readTree(request.getReader());
 334                         PolicyController controller = getPolicyControllerInstance();
 335                         this.container = new PDPGroupContainer(controller.getPapEngine());
 336                         StdPDP deletePdp =  mapper.readValue(root.get("data").toString(), StdPDP.class);
 337                         StdPDPGroup activeGroupData =  mapper.readValue(root.get("activePDP").toString(), StdPDPGroup.class);
 338
 339                         String userId = UserUtils.getUserSession(request).getOrgUserId();
 340                         policyLogger.info("****************************************Logging UserID while Removing  pdp from  PDP Group*****************************************");
 341                         policyLogger.info("UserId:  " + userId + "Delete PDP Group Data:  "+ root.get("data").toString() + "Active Group Data: "+ root.get("activePDP").toString());
 342                         policyLogger.info("***********************************************************************************************************************************");
 343
 344                         this.container.removePDP(deletePdp, activeGroupData);
 345                         response.setCharacterEncoding("UTF-8");
 346                         response.setContentType("application / json");
 347                         request.setCharacterEncoding("UTF-8");
 348
 349                         PrintWriter out = response.getWriter();
 350                         refreshGroups(request);
 351                         JsonMessage msg = new JsonMessage(mapper.writeValueAsString(groups));
 352                         JSONObject j = new JSONObject(msg);
 353                         out.write(j.toString());
 354                 }
 355                 catch (Exception e){
 356                         policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE+"Error Occured while Removing Pdp from PDP Group" + e);
 357                         PrintWriter out;
 358                         try {
 359                                 response.setCharacterEncoding("UTF-8");
 360                                 request.setCharacterEncoding("UTF-8");
 361                                 out = response.getWriter();
 362                                 out.write(e.getMessage());
 363                         } catch (Exception e1) {
 364                                 policyLogger.error("Exception Occured"+ e1);
 365                         }
 366                 }
 367         }
 368
 369         private PolicyController getPolicyControllerInstance(){
 370                 return policyController != null ? getPolicyController() : new PolicyController();
 371         }
 372
 373         public boolean isJunit() {
 374                 return junit;
 375         }
 376
 377         public void setJunit(boolean junit) {
 378                 this.junit = junit;
 379         }
 380
 381         public Set<OnapPDPGroup> getGroupsData() {
 382                 return groupsData;
 383         }
 384
 385         public void setGroupsData(Set<OnapPDPGroup> groupsData) {
 386                 this.groupsData = groupsData;
 387         }
 388 }
 389
 390 class PdpData{
 391         String id;
 392         int jmxPort;
 393         String name;
 394         String description;
 395         public String getId() {
 396                 return id;
 397         }
 398         public void setId(String id) {
 399                 this.id = id;
 400         }
 401         public int getJmxPort() {
 402                 return jmxPort;
 403         }
 404         public void setJmxPort(int jmxPort) {
 405                 this.jmxPort = jmxPort;
 406         }
 407         public String getName() {
 408                 return name;
 409         }
 410         public void setName(String name) {
 411                 this.name = name;
 412         }
 413         public String getDescription() {
 414                 return description;
 415         }
 416         public void setDescription(String description) {
 417                 this.description = description;
 418         }
 419
 420 }