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