src/main/java/com/att/nsa/dmaap/service/MMRestService.java

   1 /*******************************************************************************
   2  *  ============LICENSE_START=======================================================
   3  *  org.onap.dmaap
   4  *  ================================================================================
   5  *  Copyright © 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  *        http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  *  Unless required by applicable law or agreed to in writing, software
  13  *  distributed under the License is distributed on an "AS IS" BASIS,
  14  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  *  See the License for the specific language governing permissions and
  16  *  limitations under the License.
  17  *  ============LICENSE_END=========================================================
  18  *
  19  *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
  20  *
  21  *******************************************************************************/
  22 package com.att.nsa.dmaap.service;
  23
  24 import java.io.IOException;
  25 import java.io.InputStream;
  26 import java.util.ArrayList;
  27 import java.util.Date;
  28 import java.util.List;
  29
  30
  31 import javax.servlet.http.HttpServletRequest;
  32 import javax.servlet.http.HttpServletResponse;
  33 import javax.ws.rs.POST;
  34 import javax.ws.rs.Path;
  35 import javax.ws.rs.Produces;
  36 import javax.ws.rs.core.Context;
  37 import org.json.JSONObject;
  38 import org.apache.commons.io.IOUtils;
  39 import org.apache.commons.lang.StringUtils;
  40 import com.att.eelf.configuration.EELFLogger;
  41 import com.att.eelf.configuration.EELFManager;
  42 import org.springframework.beans.factory.annotation.Autowired;
  43 import org.springframework.beans.factory.annotation.Qualifier;
  44 import org.springframework.stereotype.Component;
  45
  46 import com.att.nsa.cambria.utils.ConfigurationReader;
  47 import com.att.nsa.cambria.utils.DMaaPResponseBuilder;
  48 import com.att.nsa.cambria.utils.Utils;
  49 import com.att.nsa.configs.ConfigDbException;
  50 import com.att.nsa.dmaap.mmagent.*;
  51 import com.att.nsa.drumlin.till.nv.rrNvReadable.missingReqdSetting;
  52 import com.att.nsa.security.ReadWriteSecuredResource.AccessDeniedException;
  53 import com.google.gson.Gson;
  54 import com.google.gson.JsonSyntaxException;
  55
  56 import edu.emory.mathcs.backport.java.util.Arrays;
  57
  58 import com.att.ajsc.filemonitor.AJSCPropertiesMap;
  59 import com.att.nsa.cambria.CambriaApiException;
  60 import com.att.nsa.cambria.backends.ConsumerFactory.UnavailableException;
  61
  62 import org.json.JSONArray;
  63 import org.json.JSONException;
  64 import com.att.nsa.cambria.beans.DMaaPContext;
  65 import com.att.nsa.cambria.constants.CambriaConstants;
  66 import com.att.nsa.cambria.exception.DMaaPErrorMessages;
  67 import com.att.nsa.cambria.metabroker.Broker.TopicExistsException;
  68 import com.att.nsa.cambria.security.DMaaPAAFAuthenticator;
  69 import com.att.nsa.cambria.security.DMaaPAAFAuthenticatorImpl;
  70 import com.att.nsa.cambria.service.MMService;
  71
  72 /**
  73  * Rest Service class for Mirror Maker proxy Rest Services
  74  *
  75  * @author <a href="mailto:"></a>
  76  *
  77  * @since May 25, 2016
  78  */
  79
  80 @Component
  81 public class MMRestService {
  82
  83         private static final EELFLogger LOGGER = EELFManager.getInstance().getLogger(MMRestService.class);
  84         private static final String NO_ADMIN_PERMISSION = "No Mirror Maker Admin permission.";
  85         private static final String NO_USER_PERMISSION = "No Mirror Maker User permission.";
  86         private static final String NO_USER_CREATE_PERMISSION = "No Mirror Maker User Create permission.";
  87         private static final String NAME_DOES_NOT_MEET_REQUIREMENT = "Mirror Maker name can only contain alpha numeric";
  88         private static final String INVALID_IPPORT = "This is not a valid IP:Port";
  89         private static final String MIRROR_MAKERADMIN = "msgRtr.mirrormakeradmin.aaf";
  90         private static final String MIRROR_MAKERUSER = "msgRtr.mirrormakeruser.aaf";
  91         private static final String UTF_8 = "UTF-8";
  92         private static final String MESSAGE = "message";
  93         private static final String LISTMIRRORMAKER = "listMirrorMaker";
  94         private static final String ERROR = "error";
  95         private static final String NAMESPACE = "namespace";
  96
  97         private String topic;
  98         private int timeout;
  99         private String consumergroup;
 100         private String consumerid;
 101
 102         @Autowired
 103         @Qualifier("configurationReader")
 104         private ConfigurationReader configReader;
 105
 106         @Context
 107         private HttpServletRequest request;
 108
 109         @Context
 110         private HttpServletResponse response;
 111
 112         @Autowired
 113         private MMService mirrorService;
 114
 115         @Autowired
 116         private DMaaPErrorMessages errorMessages;
 117
 118         /**
 119          * This method is used for taking Configuration Object,HttpServletRequest
 120          * Object,HttpServletRequest HttpServletResponse Object,HttpServletSession
 121          * Object.
 122          *
 123          * @return DMaaPContext object from where user can get Configuration
 124          *         Object,HttpServlet Object
 125          *
 126          */
 127         private DMaaPContext getDmaapContext() {
 128                 DMaaPContext dmaapContext = new DMaaPContext();
 129                 dmaapContext.setRequest(request);
 130                 dmaapContext.setResponse(response);
 131                 dmaapContext.setConfigReader(configReader);
 132                 dmaapContext.setConsumerRequestTime(Utils.getFormattedDate(new Date()));
 133
 134                 return dmaapContext;
 135         }
 136
 137         @POST
 138         @Produces("application/json")
 139         @Path("/create")
 140         public void callCreateMirrorMaker(InputStream msg) {
 141
 142                 DMaaPContext ctx = getDmaapContext();
 143                 if (checkMirrorMakerPermission(ctx,
 144                                 AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop, MIRROR_MAKERADMIN))) {
 145
 146                         loadProperty();
 147                         String input = null;
 148                         String randomStr = getRandomNum();
 149
 150                         InputStream inStream = null;
 151                         Gson gson = new Gson();
 152                         CreateMirrorMaker createMirrorMaker = new CreateMirrorMaker();
 153
 154                         try {
 155                                 input = IOUtils.toString(msg, UTF_8);
 156
 157                                 if (input != null && input.length() > 0) {
 158                                         input = removeExtraChar(input);
 159                                 }
 160
 161                                 // Check if the request has CreateMirrorMaker
 162                                 try {
 163                                         createMirrorMaker = gson.fromJson(input, CreateMirrorMaker.class);
 164
 165                                 } catch (JsonSyntaxException ex) {
 166
 167                                         sendErrResponse(ctx, errorMessages.getIncorrectJson());
 168                                         LOGGER.error("JsonSyntaxException: ", ex);
 169                                 }
 170                                 String name = createMirrorMaker.getCreateMirrorMaker().getName();
 171                                 // send error message if it is not a CreateMirrorMaker request.
 172                                 if (createMirrorMaker.getCreateMirrorMaker() == null) {
 173                                         sendErrResponse(ctx, "This is not a CreateMirrorMaker request. Please try again.");
 174                                 }
 175
 176                                 // MirrorMaker whitelist and status should not be passed
 177                                 else if (createMirrorMaker.getCreateMirrorMaker().getWhitelist() != null
 178                                                 || createMirrorMaker.getCreateMirrorMaker().getStatus() != null) {
 179                                         sendErrResponse(ctx, "This is not a CreateMirrorMaker request. Please try again.");
 180                                 }
 181
 182                                 // if empty, blank name is entered
 183                                 else if (StringUtils.isBlank(name)) {
 184                                         sendErrResponse(ctx, "Name can not be empty or blank.");
 185                                 }
 186
 187                                 // Check if the name contains only Alpha Numeric
 188                                 else if (!isAlphaNumeric(name)) {
 189                                         sendErrResponse(ctx, NAME_DOES_NOT_MEET_REQUIREMENT);
 190
 191                                 }
 192
 193                                 // Validate the IP and Port
 194                                 else if (!StringUtils.isBlank(createMirrorMaker.getCreateMirrorMaker().getConsumer())
 195                                                 && !StringUtils.isBlank(createMirrorMaker.getCreateMirrorMaker().getProducer())
 196                                                 && !validateIPPort(createMirrorMaker.getCreateMirrorMaker().getConsumer())
 197                                                 || !validateIPPort(createMirrorMaker.getCreateMirrorMaker().getProducer())) {
 198                                         sendErrResponse(ctx, INVALID_IPPORT);
 199
 200                                 }
 201                                 // Set a random number as messageID, convert Json Object to
 202                                 // InputStream and finally call publisher and subscriber
 203                                 else if (isAlphaNumeric(name) && validateIPPort(createMirrorMaker.getCreateMirrorMaker().getConsumer())
 204                                                 && validateIPPort(createMirrorMaker.getCreateMirrorMaker().getProducer())) {
 205
 206                                         createMirrorMaker.setMessageID(randomStr);
 207                                         inStream = IOUtils.toInputStream(gson.toJson(createMirrorMaker), UTF_8);
 208                                         callPubSub(randomStr, ctx, inStream);
 209                                 }
 210
 211                         } catch (IOException e) {
 212
 213                                 LOGGER.error("IOException: ", e);
 214                         }
 215                 }
 216                 // Send error response if user does not provide Authorization
 217                 else {
 218                         sendErrResponse(ctx, NO_ADMIN_PERMISSION);
 219                 }
 220         }
 221
 222         @POST
 223         @Produces("application/json")
 224         @Path("/listall")
 225         public void callListAllMirrorMaker(InputStream msg) throws CambriaApiException {
 226                 DMaaPContext ctx = getDmaapContext();
 227
 228                 if (checkMirrorMakerPermission(ctx,
 229                                 AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop, MIRROR_MAKERADMIN))) {
 230
 231                         loadProperty();
 232
 233                         String input = null;
 234
 235                         try {
 236                                 input = IOUtils.toString(msg, UTF_8);
 237
 238                                 if (input != null && input.length() > 0) {
 239                                         input = removeExtraChar(input);
 240                                 }
 241
 242                                 String randomStr = getRandomNum();
 243                                 JSONObject jsonOb = null;
 244
 245                                 try {
 246                                         jsonOb = new JSONObject(input);
 247
 248                                 } catch (JSONException ex) {
 249
 250                                         sendErrResponse(ctx, errorMessages.getIncorrectJson());
 251                                         LOGGER.error("JSONException: ", ex);
 252                                 }
 253
 254                                 // Check if request has listAllMirrorMaker and
 255                                 // listAllMirrorMaker is empty
 256                                 if ((jsonOb != null) && (jsonOb.has("listAllMirrorMaker") &&
 257                                     jsonOb.getJSONObject("listAllMirrorMaker").length() == 0)) {
 258                                         jsonOb.put("messageID", randomStr);
 259                                         InputStream inStream = null;
 260
 261                                         try {
 262                                                 inStream = IOUtils.toInputStream(jsonOb.toString(), UTF_8);
 263
 264                                         } catch (IOException ioe) {
 265                                                 LOGGER.error("IOException: ", ioe);
 266                                         }
 267
 268                                         callPubSub(randomStr, ctx, inStream);
 269
 270                                 } else {
 271
 272                                         sendErrResponse(ctx, "This is not a ListAllMirrorMaker request. Please try again.");
 273                                 }
 274
 275                         } catch (IOException ioe) {
 276
 277                                 LOGGER.error("IOException: ", ioe);
 278                         }
 279
 280                 } else {
 281
 282                         sendErrResponse(getDmaapContext(), NO_ADMIN_PERMISSION);
 283                 }
 284         }
 285
 286         @POST
 287         @Produces("application/json")
 288         @Path("/update")
 289         public void callUpdateMirrorMaker(InputStream msg) throws CambriaApiException {
 290
 291                 DMaaPContext ctx = getDmaapContext();
 292                 if (checkMirrorMakerPermission(ctx,
 293                                 AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop, MIRROR_MAKERADMIN))) {
 294
 295                         loadProperty();
 296                         String input = null;
 297                         String randomStr = getRandomNum();
 298
 299                         InputStream inStream = null;
 300                         Gson gson = new Gson();
 301                         UpdateMirrorMaker updateMirrorMaker = new UpdateMirrorMaker();
 302
 303                         try {
 304                                 input = IOUtils.toString(msg, UTF_8);
 305
 306                                 if (input != null && input.length() > 0) {
 307                                         input = removeExtraChar(input);
 308                                 }
 309
 310                                 // Check if the request has UpdateMirrorMaker
 311                                 try {
 312                                         updateMirrorMaker = gson.fromJson(input, UpdateMirrorMaker.class);
 313
 314                                 } catch (JsonSyntaxException ex) {
 315
 316                                         sendErrResponse(ctx, errorMessages.getIncorrectJson());
 317                                         LOGGER.error("JsonSyntaxException: ", ex);
 318
 319                                 }
 320                                 String name = updateMirrorMaker.getUpdateMirrorMaker().getName();
 321
 322                                 // send error message if it is not a UpdateMirrorMaker request.
 323                                 if (updateMirrorMaker.getUpdateMirrorMaker() == null) {
 324                                         sendErrResponse(ctx, "This is not a UpdateMirrorMaker request. Please try again.");
 325                                 }
 326
 327                                 // MirrorMaker whitelist and status should not be passed
 328                                 else if (updateMirrorMaker.getUpdateMirrorMaker().getWhitelist() != null
 329                                                 || updateMirrorMaker.getUpdateMirrorMaker().getStatus() != null) {
 330                                         sendErrResponse(ctx, "This is not a UpdateMirrorMaker request. Please try again.");
 331                                 }
 332
 333                                 // if empty, blank name is entered
 334                                 else if (StringUtils.isBlank(name)) {
 335                                         sendErrResponse(ctx, "Name can not be empty or blank.");
 336                                 }
 337
 338                                 // Check if the name contains only Alpha Numeric
 339                                 else if (!isAlphaNumeric(name)) {
 340                                         sendErrResponse(ctx, NAME_DOES_NOT_MEET_REQUIREMENT);
 341
 342                                 }
 343
 344                                 // Validate the IP and Port
 345                                 else if (!StringUtils.isBlank(updateMirrorMaker.getUpdateMirrorMaker().getConsumer())
 346                                                 && !StringUtils.isBlank(updateMirrorMaker.getUpdateMirrorMaker().getProducer())
 347                                                 && !validateIPPort(updateMirrorMaker.getUpdateMirrorMaker().getConsumer())
 348                                                 || !validateIPPort(updateMirrorMaker.getUpdateMirrorMaker().getProducer())) {
 349                                         sendErrResponse(ctx, INVALID_IPPORT);
 350
 351                                 }
 352                                 // Set a random number as messageID, convert Json Object to
 353                                 // InputStream and finally call publisher and subscriber
 354                                 else if (isAlphaNumeric(name) && validateIPPort(updateMirrorMaker.getUpdateMirrorMaker().getConsumer())
 355                                                 && validateIPPort(updateMirrorMaker.getUpdateMirrorMaker().getProducer())) {
 356
 357                                         updateMirrorMaker.setMessageID(randomStr);
 358                                         inStream = IOUtils.toInputStream(gson.toJson(updateMirrorMaker), UTF_8);
 359                                         callPubSub(randomStr, ctx, inStream);
 360                                 }
 361
 362                         } catch (IOException e) {
 363
 364                                 LOGGER.error("IOException: ", e);
 365                         }
 366                 }
 367                 // Send error response if user does not provide Authorization
 368                 else {
 369                         sendErrResponse(ctx, NO_ADMIN_PERMISSION);
 370                 }
 371         }
 372
 373         @POST
 374         @Produces("application/json")
 375         @Path("/delete")
 376         public void callDeleteMirrorMaker(InputStream msg) throws CambriaApiException {
 377                 DMaaPContext ctx = getDmaapContext();
 378
 379                 if (checkMirrorMakerPermission(ctx,
 380                                 AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop, MIRROR_MAKERADMIN))) {
 381
 382                         loadProperty();
 383
 384                         String input = null;
 385
 386                         try {
 387                                 input = IOUtils.toString(msg, UTF_8);
 388
 389                                 if (input != null && input.length() > 0) {
 390                                         input = removeExtraChar(input);
 391                                 }
 392
 393                                 String randomStr = getRandomNum();
 394                                 JSONObject jsonOb = null;
 395
 396                                 try {
 397                                         jsonOb = new JSONObject(input);
 398
 399                                 } catch (JSONException ex) {
 400
 401                                         sendErrResponse(ctx, errorMessages.getIncorrectJson());
 402                                         LOGGER.error("JSONException: ", ex);
 403                                 }
 404
 405                                 // Check if request has DeleteMirrorMaker and
 406                                 // DeleteMirrorMaker has MirrorMaker object with name variable
 407                                 // and check if the name contain only alpha numeric
 408                                 if ((jsonOb != null) && (jsonOb.has("deleteMirrorMaker")
 409                                                 && jsonOb.getJSONObject("deleteMirrorMaker").length() == 1
 410                                                 && jsonOb.getJSONObject("deleteMirrorMaker").has("name")
 411                                                 && !StringUtils.isBlank(jsonOb.getJSONObject("deleteMirrorMaker").getString("name"))
 412                                                 && isAlphaNumeric(jsonOb.getJSONObject("deleteMirrorMaker").getString("name")))) {
 413
 414                                         jsonOb.put("messageID", randomStr);
 415                                         InputStream inStream = null;
 416
 417                                         try {
 418                                                 inStream = IOUtils.toInputStream(jsonOb.toString(), UTF_8);
 419
 420                                         } catch (IOException ioe) {
 421                                                 LOGGER.error("IOException: ", ioe);
 422                                         }
 423
 424                                         callPubSub(randomStr, ctx, inStream);
 425
 426                                 } else {
 427
 428                                         sendErrResponse(ctx, "This is not a DeleteMirrorMaker request. Please try again.");
 429                                 }
 430
 431                         } catch (IOException ioe) {
 432                                 LOGGER.error("IOException: ", ioe);
 433                         }
 434
 435                 } else {
 436
 437                         sendErrResponse(getDmaapContext(), NO_ADMIN_PERMISSION);
 438                 }
 439         }
 440
 441         private boolean isListMirrorMaker(String msg, String messageID) {
 442                 String topicmsg = msg;
 443                 topicmsg = removeExtraChar(topicmsg);
 444
 445                 JSONObject jObj;
 446                 JSONArray jArray;
 447                 boolean exist = false;
 448
 449                 if (!StringUtils.isBlank(topicmsg) && topicmsg.length() > 2) {
 450                         jArray = new JSONArray(topicmsg);
 451
 452                         for (int i = 0; i < jArray.length(); i++) {
 453                                 jObj = jArray.getJSONObject(i);
 454
 455                                 JSONObject obj = new JSONObject();
 456                                 if (jObj.has(MESSAGE)) {
 457                                         obj = jObj.getJSONObject(MESSAGE);
 458                                 }
 459                                 if (obj.has("messageID") && obj.get("messageID").equals(messageID) && obj.has(LISTMIRRORMAKER)) {
 460                                         exist = true;
 461                                         break;
 462                                 }
 463                         }
 464                 }
 465                 return exist;
 466         }
 467
 468         private void loadProperty() {
 469
 470                 this.timeout = Integer.parseInt(
 471                                 AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop, "msgRtr.mirrormaker.timeout").trim());
 472                 this.topic = AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop, "msgRtr.mirrormaker.topic").trim();
 473                 this.consumergroup = AJSCPropertiesMap
 474                                 .getProperty(CambriaConstants.msgRtr_prop, "msgRtr.mirrormaker.consumergroup").trim();
 475                 this.consumerid = AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop, "msgRtr.mirrormaker.consumerid")
 476                                 .trim();
 477         }
 478
 479         private String removeExtraChar(String message) {
 480                 String str = message;
 481                 str = checkJsonFormate(str);
 482
 483                 if (str != null && str.length() > 0) {
 484                         str = str.replace("\\", "");
 485                         str = str.replace("\"{", "{");
 486                         str = str.replace("}\"", "}");
 487                 }
 488                 return str;
 489         }
 490
 491         private String getRandomNum() {
 492                 long random = Math.round(Math.random() * 89999) + 10000;
 493                 String strLong = Long.toString(random);
 494                 return strLong;
 495         }
 496
 497         private boolean isAlphaNumeric(String name) {
 498                 String pattern = "^[a-zA-Z0-9]*$";
 499                 if (name.matches(pattern)) {
 500                         return true;
 501                 }
 502                 return false;
 503         }
 504
 505         // This method validate IPv4
 506         private boolean validateIPPort(String ipPort) {
 507                 String pattern = "^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
 508                                 + "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5]):"
 509                                 + "([1-9][0-9]{0,3}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5])$";
 510                 if (ipPort.matches(pattern)) {
 511                         return true;
 512                 }
 513                 return false;
 514         }
 515
 516         private String checkJsonFormate(String jsonStr) {
 517
 518                 String json = jsonStr;
 519                 if (jsonStr != null && jsonStr.length() > 0 && jsonStr.startsWith("[") && !jsonStr.endsWith("]")) {
 520                         json = json + "]";
 521                 }
 522                 return json;
 523         }
 524
 525         private boolean checkMirrorMakerPermission(DMaaPContext ctx, String permission) {
 526
 527                 boolean hasPermission = false;
 528
 529                 DMaaPAAFAuthenticator aaf = new DMaaPAAFAuthenticatorImpl();
 530
 531                 if (aaf.aafAuthentication(ctx.getRequest(), permission)) {
 532                         hasPermission = true;
 533                 }
 534                 return hasPermission;
 535         }
 536
 537         private void callPubSub(String randomstr, DMaaPContext ctx, InputStream inStream) {
 538                 try {
 539                         mirrorService.pushEvents(ctx, topic, inStream, null, null);
 540                         long startTime = System.currentTimeMillis();
 541                         String msgFrmSubscribe = mirrorService.subscribe(ctx, topic, consumergroup, consumerid);
 542
 543                         while (!isListMirrorMaker(msgFrmSubscribe, randomstr)
 544                                         && (System.currentTimeMillis() - startTime) < timeout) {
 545                                 msgFrmSubscribe = mirrorService.subscribe(ctx, topic, consumergroup, consumerid);
 546                         }
 547
 548                         JSONObject jsonObj;
 549                         JSONObject finalJsonObj = new JSONObject();
 550                         JSONArray jsonArray;
 551
 552                         if (msgFrmSubscribe != null && msgFrmSubscribe.length() > 0
 553                                         && isListMirrorMaker(msgFrmSubscribe, randomstr)) {
 554                                 msgFrmSubscribe = removeExtraChar(msgFrmSubscribe);
 555                                 jsonArray = new JSONArray(msgFrmSubscribe);
 556
 557                                 for (int i = 0; i < jsonArray.length(); i++) {
 558                                         jsonObj = jsonArray.getJSONObject(i);
 559
 560                                         JSONObject obj = new JSONObject();
 561                                         if (jsonObj.has(MESSAGE)) {
 562                                                 obj = jsonObj.getJSONObject(MESSAGE);
 563                                         }
 564                                         if (obj.has("messageID") && obj.get("messageID").equals(randomstr) && obj.has(LISTMIRRORMAKER)) {
 565                                                 finalJsonObj.put(LISTMIRRORMAKER, obj.get(LISTMIRRORMAKER));
 566                                                 break;
 567                                         }
 568                                 }
 569
 570                                 DMaaPResponseBuilder.respondOk(ctx, finalJsonObj);
 571
 572                         } else {
 573
 574                                 JSONObject err = new JSONObject();
 575                                 err.append(ERROR, "listMirrorMaker is not available, please make sure MirrorMakerAgent is running");
 576                                 DMaaPResponseBuilder.respondOk(ctx, err);
 577                         }
 578
 579                 } catch (Exception e) {
 580                         LOGGER.error("Exception: ", e);
 581                 }
 582         }
 583
 584         private void sendErrResponse(DMaaPContext ctx, String errMsg) {
 585                 JSONObject err = new JSONObject();
 586                 err.append(ERROR, errMsg);
 587
 588                 try {
 589                         DMaaPResponseBuilder.respondOk(ctx, err);
 590                         LOGGER.error(errMsg);
 591
 592                 } catch (JSONException | IOException e) {
 593                         LOGGER.error(errMsg);
 594                 }
 595         }
 596
 597         @SuppressWarnings("unchecked")
 598         @POST
 599         @Produces("application/json")
 600         @Path("/listallwhitelist")
 601         public void listWhiteList(InputStream msg) {
 602
 603                 DMaaPContext ctx = getDmaapContext();
 604                 if (checkMirrorMakerPermission(ctx,
 605                                 AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop, MIRROR_MAKERUSER))) {
 606
 607                         loadProperty();
 608                         String input = null;
 609
 610                         try {
 611                                 input = IOUtils.toString(msg, UTF_8);
 612
 613                                 if (input != null && input.length() > 0) {
 614                                         input = removeExtraChar(input);
 615                                 }
 616
 617                                 // Check if it is correct Json object
 618                                 JSONObject jsonOb = null;
 619
 620                                 try {
 621                                         jsonOb = new JSONObject(input);
 622
 623                                 } catch (JSONException ex) {
 624
 625                                         sendErrResponse(ctx, errorMessages.getIncorrectJson());
 626                                         LOGGER.error("JSONException: ", ex);
 627                                 }
 628
 629                                 // Check if the request has name and name contains only alpha
 630                                 // numeric
 631                                 // and check if the request has namespace and namespace contains
 632                                 // only alpha numeric
 633                                 if (jsonOb != null
 634                                                 && jsonOb.length() == 2 && jsonOb.has("name")
 635                                                 && !StringUtils.isBlank(jsonOb.getString("name"))
 636                                                 && isAlphaNumeric(jsonOb.getString("name")) && jsonOb.has(NAMESPACE)
 637                                                 && !StringUtils.isBlank(jsonOb.getString(NAMESPACE))) {
 638
 639                                         String permission = AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop,
 640                                                         "msgRtr.mirrormakeruser.aaf.create") + jsonOb.getString(NAMESPACE) + "|create";
 641
 642                                         // Check if the user have create permission for the
 643                                         // namespace
 644                                         if (checkMirrorMakerPermission(ctx, permission)) {
 645
 646                                                 JSONObject listAll = new JSONObject();
 647                                                 JSONObject emptyObject = new JSONObject();
 648
 649                                                 // Create a listAllMirrorMaker Json object
 650                                                 try {
 651                                                         listAll.put("listAllMirrorMaker", emptyObject);
 652
 653                                                 } catch (JSONException e) {
 654
 655                                                         LOGGER.error("JSONException: ", e);
 656                                                 }
 657
 658                                                 // set a random number as messageID
 659                                                 String randomStr = getRandomNum();
 660                                                 listAll.put("messageID", randomStr);
 661                                                 InputStream inStream = null;
 662
 663                                                 // convert listAll Json object to InputStream object
 664                                                 try {
 665                                                         inStream = IOUtils.toInputStream(listAll.toString(), UTF_8);
 666
 667                                                 } catch (IOException ioe) {
 668                                                         LOGGER.error("IOException: ", ioe);
 669                                                 }
 670                                                 // call listAllMirrorMaker
 671                                                 mirrorService.pushEvents(ctx, topic, inStream, null, null);
 672
 673                                                 // subscribe for listMirrorMaker
 674                                                 long startTime = System.currentTimeMillis();
 675                                                 String msgFrmSubscribe = mirrorService.subscribe(ctx, topic, consumergroup, consumerid);
 676
 677                                                 while (!isListMirrorMaker(msgFrmSubscribe, randomStr)
 678                                                                 && (System.currentTimeMillis() - startTime) < timeout) {
 679                                                         msgFrmSubscribe = mirrorService.subscribe(ctx, topic, consumergroup, consumerid);
 680                                                 }
 681
 682                                                 if (msgFrmSubscribe != null && msgFrmSubscribe.length() > 0
 683                                                                 && isListMirrorMaker(msgFrmSubscribe, randomStr)) {
 684
 685                                                         JSONArray listMirrorMaker;
 686                                                         listMirrorMaker = getListMirrorMaker(msgFrmSubscribe, randomStr);
 687
 688                                                         String whitelist = null;
 689                                                         for (int i = 0; i < listMirrorMaker.length(); i++) {
 690
 691                                                                 JSONObject mm;
 692                                                                 mm = listMirrorMaker.getJSONObject(i);
 693                                                                 String name = mm.getString("name");
 694
 695                                                                 if (name.equals(jsonOb.getString("name")) && mm.has("whitelist")) {
 696                                                                         whitelist = mm.getString("whitelist");
 697                                                                         break;
 698                                                                 }
 699                                                         }
 700
 701                                                         if (!StringUtils.isBlank(whitelist)) {
 702
 703                                                                 List<String> topicList = new ArrayList<>();
 704                                                                 List<String> finalTopicList = new ArrayList<>();
 705                                                                 topicList = Arrays.asList(whitelist.split(","));
 706
 707                                                                 for (String topic : topicList) {
 708                                                                         if (topic != null && !topic.equals("null")
 709                                                                                         && getNamespace(topic).equals(jsonOb.getString(NAMESPACE))) {
 710
 711                                                                                 finalTopicList.add(topic);
 712                                                                         }
 713                                                                 }
 714
 715                                                                 String topicNames = "";
 716
 717                                                                 if (!finalTopicList.isEmpty()) {
 718                                                                         topicNames = StringUtils.join(finalTopicList, ",");
 719                                                                 }
 720
 721                                                                 JSONObject listAllWhiteList = new JSONObject();
 722                                                                 listAllWhiteList.put("name", jsonOb.getString("name"));
 723                                                                 listAllWhiteList.put("whitelist", topicNames);
 724
 725                                                                 DMaaPResponseBuilder.respondOk(ctx, listAllWhiteList);
 726                                                         }
 727
 728                                                 } else {
 729
 730                                                         JSONObject err = new JSONObject();
 731                                                         err.append(ERROR,
 732                                                                         "listWhiteList is not available, please make sure MirrorMakerAgent is running");
 733                                                         DMaaPResponseBuilder.respondOk(ctx, err);
 734                                                 }
 735
 736                                         } else {
 737                                                 sendErrResponse(ctx, NO_USER_CREATE_PERMISSION);
 738                                         }
 739
 740                                 } else {
 741
 742                                         sendErrResponse(ctx, "This is not a ListAllWhitelist request. Please try again.");
 743                                 }
 744
 745                         } catch (IOException | CambriaApiException | ConfigDbException | AccessDeniedException
 746                                         | TopicExistsException | missingReqdSetting | UnavailableException e) {
 747
 748                                 LOGGER.error("IOException: ", e);
 749                         }
 750                 } else {
 751                         sendErrResponse(ctx, NO_USER_PERMISSION);
 752                 }
 753         }
 754
 755         @SuppressWarnings("unchecked")
 756         @POST
 757         @Produces("application/json")
 758         @Path("/createwhitelist")
 759         public void createWhiteList(InputStream msg) {
 760
 761                 DMaaPContext ctx = getDmaapContext();
 762                 if (checkMirrorMakerPermission(ctx,
 763                                 AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop, MIRROR_MAKERUSER))) {
 764
 765                         loadProperty();
 766                         String input = null;
 767
 768                         try {
 769                                 input = IOUtils.toString(msg, UTF_8);
 770
 771                                 if (input != null && input.length() > 0) {
 772                                         input = removeExtraChar(input);
 773                                 }
 774
 775                                 // Check if it is correct Json object
 776                                 JSONObject jsonOb = null;
 777
 778                                 try {
 779                                         jsonOb = new JSONObject(input);
 780
 781                                 } catch (JSONException ex) {
 782
 783                                         sendErrResponse(ctx, errorMessages.getIncorrectJson());
 784                                         LOGGER.error("JSONException: ", ex);
 785                                 }
 786
 787                                 // Check if the request has name and name contains only alpha numeric,
 788                                 // check if the request has namespace and
 789                                 // check if the request has whitelistTopicName
 790                                 // check if the topic name contains only alpha numeric
 791                                 if (jsonOb != null && jsonOb.length() == 3 && jsonOb.has("name")
 792                                                 && !StringUtils.isBlank(jsonOb.getString("name"))
 793                                                 && isAlphaNumeric(jsonOb.getString("name"))
 794                                                 && jsonOb.has(NAMESPACE) && !StringUtils.isBlank(jsonOb.getString(NAMESPACE))
 795                                                 && jsonOb.has("whitelistTopicName") && !StringUtils.isBlank(jsonOb.getString("whitelistTopicName"))
 796                                                 && isAlphaNumeric(jsonOb.getString("whitelistTopicName").substring(jsonOb.getString("whitelistTopicName").lastIndexOf(".")+1,
 797                                                                 jsonOb.getString("whitelistTopicName").length()))) {
 798
 799                                         String permission = AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop,
 800                                                         "msgRtr.mirrormakeruser.aaf.create") + jsonOb.getString(NAMESPACE) + "|create";
 801
 802                                         // Check if the user have create permission for the
 803                                         // namespace
 804                                         if (checkMirrorMakerPermission(ctx, permission)) {
 805
 806                                                 JSONObject listAll = new JSONObject();
 807                                                 JSONObject emptyObject = new JSONObject();
 808
 809                                                 // Create a listAllMirrorMaker Json object
 810                                                 try {
 811                                                         listAll.put("listAllMirrorMaker", emptyObject);
 812
 813                                                 } catch (JSONException e) {
 814
 815                                                         LOGGER.error("JSONException: ", e);
 816                                                 }
 817
 818                                                 // set a random number as messageID
 819                                                 String randomStr = getRandomNum();
 820                                                 listAll.put("messageID", randomStr);
 821                                                 InputStream inStream = null;
 822
 823                                                 // convert listAll Json object to InputStream object
 824                                                 try {
 825                                                         inStream = IOUtils.toInputStream(listAll.toString(), UTF_8);
 826
 827                                                 } catch (IOException ioe) {
 828                                                         LOGGER.error("IOException: ", ioe);
 829                                                 }
 830                                                 // call listAllMirrorMaker
 831                                                 mirrorService.pushEvents(ctx, topic, inStream, null, null);
 832
 833                                                 // subscribe for listMirrorMaker
 834                                                 long startTime = System.currentTimeMillis();
 835                                                 String msgFrmSubscribe = mirrorService.subscribe(ctx, topic, consumergroup, consumerid);
 836
 837                                                 while (!isListMirrorMaker(msgFrmSubscribe, randomStr)
 838                                                                 && (System.currentTimeMillis() - startTime) < timeout) {
 839                                                         msgFrmSubscribe = mirrorService.subscribe(ctx, topic, consumergroup, consumerid);
 840                                                 }
 841
 842                                                 JSONArray listMirrorMaker;
 843
 844                                                 if (msgFrmSubscribe != null && msgFrmSubscribe.length() > 0
 845                                                                 && isListMirrorMaker(msgFrmSubscribe, randomStr)) {
 846
 847                                                         listMirrorMaker = getListMirrorMaker(msgFrmSubscribe, randomStr);
 848                                                         String whitelist = null;
 849
 850                                                         for (int i = 0; i < listMirrorMaker.length(); i++) {
 851                                                                 JSONObject mm;
 852                                                                 mm = listMirrorMaker.getJSONObject(i);
 853                                                                 String name = mm.getString("name");
 854
 855                                                                 if (name.equals(jsonOb.getString("name")) && mm.has("whitelist")) {
 856                                                                         whitelist = mm.getString("whitelist");
 857                                                                         break;
 858                                                                 }
 859                                                         }
 860
 861                                                         List<String> topicList = new ArrayList<>();
 862                                                         List<String> finalTopicList = new ArrayList<>();
 863
 864                                                         if (whitelist != null) {
 865                                                                 topicList = Arrays.asList(whitelist.split(","));
 866                                                         }
 867
 868                                                         for (String st : topicList) {
 869                                                                 if (!StringUtils.isBlank(st)) {
 870                                                                         finalTopicList.add(st);
 871                                                                 }
 872                                                         }
 873
 874                                                         String newTopic = jsonOb.getString("whitelistTopicName");
 875
 876                                                         if (!topicList.contains(newTopic)
 877                                                                         && getNamespace(newTopic).equals(jsonOb.getString(NAMESPACE))) {
 878
 879                                                                 UpdateWhiteList updateWhiteList = new UpdateWhiteList();
 880                                                                 MirrorMaker mirrorMaker = new MirrorMaker();
 881                                                                 mirrorMaker.setName(jsonOb.getString("name"));
 882                                                                 finalTopicList.add(newTopic);
 883                                                                 String newWhitelist = "";
 884
 885                                                                 if (!finalTopicList.isEmpty()) {
 886                                                                         newWhitelist = StringUtils.join(finalTopicList, ",");
 887                                                                 }
 888
 889                                                                 mirrorMaker.setWhitelist(newWhitelist);
 890
 891                                                                 String newRandom = getRandomNum();
 892                                                                 updateWhiteList.setMessageID(newRandom);
 893                                                                 updateWhiteList.setUpdateWhiteList(mirrorMaker);
 894
 895                                                                 Gson g = new Gson();
 896                                                                 g.toJson(updateWhiteList);
 897                                                                 InputStream inputStream;
 898                                                                 inputStream = IOUtils.toInputStream(g.toJson(updateWhiteList), UTF_8);
 899                                                                 // callPubSub(newRandom, ctx, inputStream);
 900                                                                 callPubSubForWhitelist(newRandom, ctx, inputStream, jsonOb.getString(NAMESPACE));
 901
 902                                                         } else if (topicList.contains(newTopic)) {
 903                                                                 sendErrResponse(ctx, "The topic already exist.");
 904
 905                                                         } else if (!getNamespace(newTopic).equals(jsonOb.getString(NAMESPACE))) {
 906                                                                 sendErrResponse(ctx,
 907                                                                                 "The namespace of the topic does not match with the namespace you provided.");
 908                                                         }
 909                                                 } else {
 910
 911                                                         JSONObject err = new JSONObject();
 912                                                         err.append(ERROR,
 913                                                                         "listWhiteList is not available, please make sure MirrorMakerAgent is running");
 914                                                         DMaaPResponseBuilder.respondOk(ctx, err);
 915                                                 }
 916
 917                                         } else {
 918                                                 sendErrResponse(ctx, NO_USER_CREATE_PERMISSION);
 919                                         }
 920
 921                                 } else {
 922
 923                                         sendErrResponse(ctx, "This is not a createWhitelist request. Please try again.");
 924                                 }
 925
 926                         } catch (IOException | CambriaApiException | ConfigDbException | AccessDeniedException
 927                                         | TopicExistsException | missingReqdSetting | UnavailableException e) {
 928
 929                                 LOGGER.error("IOException: ", e);
 930                         }
 931                 }
 932                 // Send error response if user does not provide Authorization
 933                 else {
 934                         sendErrResponse(ctx, NO_USER_PERMISSION);
 935                 }
 936         }
 937
 938         @SuppressWarnings("unchecked")
 939         @POST
 940         @Produces("application/json")
 941         @Path("/deletewhitelist")
 942         public void deleteWhiteList(InputStream msg) {
 943
 944                 DMaaPContext ctx = getDmaapContext();
 945                 if (checkMirrorMakerPermission(ctx,
 946                                 AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop, MIRROR_MAKERUSER))) {
 947
 948                         loadProperty();
 949                         String input = null;
 950
 951                         try {
 952                                 input = IOUtils.toString(msg, UTF_8);
 953
 954                                 if (input != null && input.length() > 0) {
 955                                         input = removeExtraChar(input);
 956                                 }
 957
 958                                 // Check if it is correct Json object
 959                                 JSONObject jsonOb = null;
 960
 961                                 try {
 962                                         jsonOb = new JSONObject(input);
 963
 964                                 } catch (JSONException ex) {
 965
 966                                         sendErrResponse(ctx, errorMessages.getIncorrectJson());
 967                                         LOGGER.error("JSONException: ", ex);
 968                                 }
 969
 970                                 // Check if the request has name and name contains only alpha numeric,
 971                                 // check if the request has namespace and
 972                                 // check if the request has whitelistTopicName
 973                                 if (jsonOb != null && jsonOb.length() == 3 && jsonOb.has("name") && isAlphaNumeric(jsonOb.getString("name"))
 974                                                 && jsonOb.has(NAMESPACE) && jsonOb.has("whitelistTopicName")
 975                                                 && isAlphaNumeric(jsonOb.getString("whitelistTopicName").substring(jsonOb.getString("whitelistTopicName").lastIndexOf(".")+1,
 976                                                                 jsonOb.getString("whitelistTopicName").length()))) {
 977
 978                                         String permission = AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop,
 979                                                         "msgRtr.mirrormakeruser.aaf.create") + jsonOb.getString(NAMESPACE) + "|create";
 980
 981                                         // Check if the user have create permission for the
 982                                         // namespace
 983                                         if (checkMirrorMakerPermission(ctx, permission)) {
 984
 985                                                 JSONObject listAll = new JSONObject();
 986                                                 JSONObject emptyObject = new JSONObject();
 987
 988                                                 // Create a listAllMirrorMaker Json object
 989                                                 try {
 990                                                         listAll.put("listAllMirrorMaker", emptyObject);
 991
 992                                                 } catch (JSONException e) {
 993
 994                                                         LOGGER.error("JSONException: ", e);
 995                                                 }
 996
 997                                                 // set a random number as messageID
 998                                                 String randomStr = getRandomNum();
 999                                                 listAll.put("messageID", randomStr);
1000                                                 InputStream inStream = null;
1001
1002                                                 // convert listAll Json object to InputStream object
1003                                                 try {
1004                                                         inStream = IOUtils.toInputStream(listAll.toString(), UTF_8);
1005
1006                                                 } catch (IOException ioe) {
1007                                                         LOGGER.error("IOException: ", ioe);
1008                                                 }
1009                                                 // call listAllMirrorMaker
1010                                                 mirrorService.pushEvents(ctx, topic, inStream, null, null);
1011
1012                                                 // subscribe for listMirrorMaker
1013                                                 long startTime = System.currentTimeMillis();
1014                                                 String msgFrmSubscribe = mirrorService.subscribe(ctx, topic, consumergroup, consumerid);
1015
1016                                                 while (!isListMirrorMaker(msgFrmSubscribe, randomStr)
1017                                                                 && (System.currentTimeMillis() - startTime) < timeout) {
1018                                                         msgFrmSubscribe = mirrorService.subscribe(ctx, topic, consumergroup, consumerid);
1019                                                 }
1020
1021                                                 JSONObject jsonObj;
1022                                                 JSONArray jsonArray;
1023                                                 JSONArray listMirrorMaker = null;
1024
1025                                                 if (msgFrmSubscribe != null && msgFrmSubscribe.length() > 0
1026                                                                 && isListMirrorMaker(msgFrmSubscribe, randomStr)) {
1027                                                         msgFrmSubscribe = removeExtraChar(msgFrmSubscribe);
1028                                                         jsonArray = new JSONArray(msgFrmSubscribe);
1029
1030                                                         for (int i = 0; i < jsonArray.length(); i++) {
1031                                                                 jsonObj = jsonArray.getJSONObject(i);
1032
1033                                                                 JSONObject obj = new JSONObject();
1034                                                                 if (jsonObj.has(MESSAGE)) {
1035                                                                         obj = jsonObj.getJSONObject(MESSAGE);
1036                                                                 }
1037                                                                 if (obj.has("messageID") && obj.get("messageID").equals(randomStr) && obj.has(LISTMIRRORMAKER)) {
1038                                                                         listMirrorMaker = obj.getJSONArray(LISTMIRRORMAKER);
1039                                                                         break;
1040                                                                 }
1041                                                         }
1042                                                         String whitelist = null;
1043                                                         if (listMirrorMaker != null) {
1044                                                                 for (int i = 0; i < listMirrorMaker.length(); i++) {
1045
1046                                                                         JSONObject mm = new JSONObject();
1047                                                                         mm = listMirrorMaker.getJSONObject(i);
1048                                                                         String name = mm.getString("name");
1049
1050                                                                         if (name.equals(jsonOb.getString("name")) && mm.has("whitelist")) {
1051                                                                                 whitelist = mm.getString("whitelist");
1052                                                                                 break;
1053                                                                         }
1054                                                                 }
1055                                                         }
1056
1057                                                         List<String> topicList = new ArrayList<>();
1058
1059                                                         if (whitelist != null) {
1060                                                                 topicList = Arrays.asList(whitelist.split(","));
1061                                                         }
1062                                                         boolean removeTopic = false;
1063                                                         String topicToRemove = jsonOb.getString("whitelistTopicName");
1064
1065                                                         if (topicList.contains(topicToRemove)) {
1066                                                                 removeTopic = true;
1067                                                         } else {
1068                                                                 sendErrResponse(ctx, "The topic does not exist.");
1069                                                         }
1070
1071
1072                                                         if (removeTopic) {
1073                                                                 UpdateWhiteList updateWhiteList = new UpdateWhiteList();
1074                                                                 MirrorMaker mirrorMaker = new MirrorMaker();
1075
1076                                                                 mirrorMaker.setName(jsonOb.getString("name"));
1077                                                                 mirrorMaker.setWhitelist(removeTopic(whitelist, topicToRemove));
1078
1079                                                                 String newRandom = getRandomNum();
1080
1081                                                                 updateWhiteList.setMessageID(newRandom);
1082                                                                 updateWhiteList.setUpdateWhiteList(mirrorMaker);
1083
1084                                                                 Gson g = new Gson();
1085                                                                 g.toJson(updateWhiteList);
1086
1087                                                                 InputStream inputStream;
1088                                                                 inputStream = IOUtils.toInputStream(g.toJson(updateWhiteList), UTF_8);
1089                                                                 callPubSubForWhitelist(newRandom, ctx, inputStream, getNamespace(topicToRemove));
1090                                                         }
1091
1092                                                 } else {
1093
1094                                                         JSONObject err = new JSONObject();
1095                                                         err.append(ERROR,
1096                                                                         "listWhiteList is not available, please make sure MirrorMakerAgent is running");
1097                                                         DMaaPResponseBuilder.respondOk(ctx, err);
1098                                                 }
1099
1100                                         } else {
1101                                                 sendErrResponse(ctx, NO_USER_CREATE_PERMISSION);
1102                                         }
1103
1104                                 } else {
1105
1106                                         sendErrResponse(ctx, "This is not a DeleteAllWhitelist request. Please try again.");
1107                                 }
1108
1109                         } catch (IOException | CambriaApiException | ConfigDbException | AccessDeniedException
1110                                         | TopicExistsException | missingReqdSetting | UnavailableException e) {
1111
1112                                 LOGGER.error("IOException: ", e);
1113                         }
1114                 }
1115                 // Send error response if user does not provide Authorization
1116                 else {
1117                         sendErrResponse(ctx, NO_USER_PERMISSION);
1118                 }
1119         }
1120
1121         private String getNamespace(String topic) {
1122                 return topic.substring(0, topic.lastIndexOf("."));
1123         }
1124
1125         private String removeTopic(String whitelist, String topicToRemove) {
1126                 List<String> topicList = new ArrayList<>();
1127                 List<String> newTopicList = new ArrayList<>();
1128
1129                 if (whitelist.contains(",")) {
1130                         topicList = Arrays.asList(whitelist.split(","));
1131
1132                 }
1133
1134                 if (topicList.contains(topicToRemove)) {
1135                         for (String topic: topicList) {
1136                                 if (!topic.equals(topicToRemove)) {
1137                                         newTopicList.add(topic);
1138                                 }
1139                         }
1140                 }
1141
1142                 String newWhitelist = StringUtils.join(newTopicList, ",");
1143
1144                 return newWhitelist;
1145         }
1146
1147         private void callPubSubForWhitelist(String randomStr, DMaaPContext ctx, InputStream inStream, String namespace) {
1148
1149                 try {
1150                         mirrorService.pushEvents(ctx, topic, inStream, null, null);
1151                         long startTime = System.currentTimeMillis();
1152                         String msgFrmSubscribe = mirrorService.subscribe(ctx, topic, consumergroup, consumerid);
1153
1154                         while (!isListMirrorMaker(msgFrmSubscribe, randomStr)
1155                                         && (System.currentTimeMillis() - startTime) < timeout) {
1156                                 msgFrmSubscribe = mirrorService.subscribe(ctx, topic, consumergroup, consumerid);
1157                         }
1158
1159                         JSONObject jsonObj;
1160                         JSONArray jsonArray;
1161                         JSONArray jsonArrayNamespace = null;
1162
1163                         if (msgFrmSubscribe != null && msgFrmSubscribe.length() > 0
1164                                         && isListMirrorMaker(msgFrmSubscribe, randomStr)) {
1165                                 msgFrmSubscribe = removeExtraChar(msgFrmSubscribe);
1166                                 jsonArray = new JSONArray(msgFrmSubscribe);
1167
1168                                 for (int i = 0; i < jsonArray.length(); i++) {
1169                                         jsonObj = jsonArray.getJSONObject(i);
1170
1171                                         JSONObject obj = new JSONObject();
1172                                         if (jsonObj.has(MESSAGE)) {
1173                                                 obj = jsonObj.getJSONObject(MESSAGE);
1174                                         }
1175                                         if (obj.has("messageID") && obj.get("messageID").equals(randomStr) && obj.has(LISTMIRRORMAKER)) {
1176                                                 jsonArrayNamespace = obj.getJSONArray(LISTMIRRORMAKER);
1177                                         }
1178                                 }
1179                                 JSONObject finalJasonObj = new JSONObject();
1180                                 JSONArray finalJsonArray = new JSONArray();
1181
1182                                 for (int i = 0; i < jsonArrayNamespace.length(); i++) {
1183
1184                                         JSONObject mmObj;
1185                                         mmObj = jsonArrayNamespace.getJSONObject(i);
1186                                         String whitelist;
1187
1188                                         if (mmObj.has("whitelist")) {
1189                                                 whitelist = getWhitelistByNamespace(mmObj.getString("whitelist"), namespace);
1190
1191                                                 if (whitelist != null) {
1192                                                         mmObj.remove("whitelist");
1193                                                         mmObj.put("whitelist", whitelist);
1194                                                 } else {
1195                                                         mmObj.remove("whitelist");
1196                                                 }
1197                                         }
1198                                         finalJsonArray.put(mmObj);
1199                                 }
1200                                 finalJasonObj.put(LISTMIRRORMAKER, finalJsonArray);
1201
1202                                 DMaaPResponseBuilder.respondOk(ctx, finalJasonObj);
1203
1204                         } else {
1205
1206                                 JSONObject err = new JSONObject();
1207                                 err.append(ERROR, "listMirrorMaker is not available, please make sure MirrorMakerAgent is running");
1208                                 DMaaPResponseBuilder.respondOk(ctx, err);
1209                         }
1210
1211                 } catch (Exception e) {
1212                         LOGGER.error("Exception: ", e);
1213                 }
1214         }
1215
1216         private String getWhitelistByNamespace(String originalWhitelist, String namespace) {
1217
1218                 String whitelist = null;
1219                 List<String> resultList = new ArrayList<>();
1220                 List<String> whitelistList = new ArrayList<>();
1221                 whitelistList = Arrays.asList(originalWhitelist.split(","));
1222
1223                 for (String topic : whitelistList) {
1224                         if (StringUtils.isNotBlank(originalWhitelist) && getNamespace(topic).equals(namespace)) {
1225                                 resultList.add(topic);
1226                         }
1227                 }
1228                 if (!resultList.isEmpty()) {
1229                         whitelist = StringUtils.join(resultList, ",");
1230                 }
1231
1232                 return whitelist;
1233         }
1234
1235         private JSONArray getListMirrorMaker(String msgFrmSubscribe, String randomStr) {
1236                 JSONObject jsonObj;
1237                 JSONArray jsonArray;
1238                 JSONArray listMirrorMaker = new JSONArray();
1239
1240                 msgFrmSubscribe = removeExtraChar(msgFrmSubscribe);
1241                 jsonArray = new JSONArray(msgFrmSubscribe);
1242
1243                 for (int i = 0; i < jsonArray.length(); i++) {
1244                         jsonObj = jsonArray.getJSONObject(i);
1245
1246                         JSONObject obj = new JSONObject();
1247                         if (jsonObj.has(MESSAGE)) {
1248                                 obj = jsonObj.getJSONObject(MESSAGE);
1249                         }
1250                         if (obj.has("messageID") && obj.get("messageID").equals(randomStr) && obj.has(LISTMIRRORMAKER)) {
1251                                 listMirrorMaker = obj.getJSONArray(LISTMIRRORMAKER);
1252                                 break;
1253                         }
1254                 }
1255                 return listMirrorMaker;
1256         }
1257 }