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
 433                                 ioe.printStackTrace();
 434                                 LOGGER.error("IOException: ", ioe);
 435                         }
 436
 437                 } else {
 438
 439                         sendErrResponse(getDmaapContext(), NO_ADMIN_PERMISSION);
 440                 }
 441         }
 442
 443         private boolean isListMirrorMaker(String msg, String messageID) {
 444                 String topicmsg = msg;
 445                 topicmsg = removeExtraChar(topicmsg);
 446
 447                 JSONObject jObj;
 448                 JSONArray jArray;
 449                 boolean exist = false;
 450
 451                 if (!StringUtils.isBlank(topicmsg) && topicmsg.length() > 2) {
 452                         jArray = new JSONArray(topicmsg);
 453
 454                         for (int i = 0; i < jArray.length(); i++) {
 455                                 jObj = jArray.getJSONObject(i);
 456
 457                                 JSONObject obj = new JSONObject();
 458                                 if (jObj.has(MESSAGE)) {
 459                                         obj = jObj.getJSONObject(MESSAGE);
 460                                 }
 461                                 if (obj.has("messageID") && obj.get("messageID").equals(messageID) && obj.has(LISTMIRRORMAKER)) {
 462                                         exist = true;
 463                                         break;
 464                                 }
 465                         }
 466                 }
 467                 return exist;
 468         }
 469
 470         private void loadProperty() {
 471
 472                 this.timeout = Integer.parseInt(
 473                                 AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop, "msgRtr.mirrormaker.timeout").trim());
 474                 this.topic = AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop, "msgRtr.mirrormaker.topic").trim();
 475                 this.consumergroup = AJSCPropertiesMap
 476                                 .getProperty(CambriaConstants.msgRtr_prop, "msgRtr.mirrormaker.consumergroup").trim();
 477                 this.consumerid = AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop, "msgRtr.mirrormaker.consumerid")
 478                                 .trim();
 479         }
 480
 481         private String removeExtraChar(String message) {
 482                 String str = message;
 483                 str = checkJsonFormate(str);
 484
 485                 if (str != null && str.length() > 0) {
 486                         str = str.replace("\\", "");
 487                         str = str.replace("\"{", "{");
 488                         str = str.replace("}\"", "}");
 489                 }
 490                 return str;
 491         }
 492
 493         private String getRandomNum() {
 494                 long random = Math.round(Math.random() * 89999) + 10000;
 495                 String strLong = Long.toString(random);
 496                 return strLong;
 497         }
 498
 499         private boolean isAlphaNumeric(String name) {
 500                 String pattern = "^[a-zA-Z0-9]*$";
 501                 if (name.matches(pattern)) {
 502                         return true;
 503                 }
 504                 return false;
 505         }
 506
 507         // This method validate IPv4
 508         private boolean validateIPPort(String ipPort) {
 509                 String pattern = "^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
 510                                 + "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5]):"
 511                                 + "([1-9][0-9]{0,3}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5])$";
 512                 if (ipPort.matches(pattern)) {
 513                         return true;
 514                 }
 515                 return false;
 516         }
 517
 518         private String checkJsonFormate(String jsonStr) {
 519
 520                 String json = jsonStr;
 521                 if (jsonStr != null && jsonStr.length() > 0 && jsonStr.startsWith("[") && !jsonStr.endsWith("]")) {
 522                         json = json + "]";
 523                 }
 524                 return json;
 525         }
 526
 527         private boolean checkMirrorMakerPermission(DMaaPContext ctx, String permission) {
 528
 529                 boolean hasPermission = false;
 530
 531                 DMaaPAAFAuthenticator aaf = new DMaaPAAFAuthenticatorImpl();
 532
 533                 if (aaf.aafAuthentication(ctx.getRequest(), permission)) {
 534                         hasPermission = true;
 535                 }
 536                 return hasPermission;
 537         }
 538
 539         private void callPubSub(String randomstr, DMaaPContext ctx, InputStream inStream) {
 540                 try {
 541                         mirrorService.pushEvents(ctx, topic, inStream, null, null);
 542                         long startTime = System.currentTimeMillis();
 543                         String msgFrmSubscribe = mirrorService.subscribe(ctx, topic, consumergroup, consumerid);
 544
 545                         while (!isListMirrorMaker(msgFrmSubscribe, randomstr)
 546                                         && (System.currentTimeMillis() - startTime) < timeout) {
 547                                 msgFrmSubscribe = mirrorService.subscribe(ctx, topic, consumergroup, consumerid);
 548                         }
 549
 550                         JSONObject jsonObj;
 551                         JSONObject finalJsonObj = new JSONObject();
 552                         JSONArray jsonArray;
 553
 554                         if (msgFrmSubscribe != null && msgFrmSubscribe.length() > 0
 555                                         && isListMirrorMaker(msgFrmSubscribe, randomstr)) {
 556                                 msgFrmSubscribe = removeExtraChar(msgFrmSubscribe);
 557                                 jsonArray = new JSONArray(msgFrmSubscribe);
 558
 559                                 for (int i = 0; i < jsonArray.length(); i++) {
 560                                         jsonObj = jsonArray.getJSONObject(i);
 561
 562                                         JSONObject obj = new JSONObject();
 563                                         if (jsonObj.has(MESSAGE)) {
 564                                                 obj = jsonObj.getJSONObject(MESSAGE);
 565                                         }
 566                                         if (obj.has("messageID") && obj.get("messageID").equals(randomstr) && obj.has(LISTMIRRORMAKER)) {
 567                                                 finalJsonObj.put(LISTMIRRORMAKER, obj.get(LISTMIRRORMAKER));
 568                                                 break;
 569                                         }
 570                                 }
 571
 572                                 DMaaPResponseBuilder.respondOk(ctx, finalJsonObj);
 573
 574                         } else {
 575
 576                                 JSONObject err = new JSONObject();
 577                                 err.append(ERROR, "listMirrorMaker is not available, please make sure MirrorMakerAgent is running");
 578                                 DMaaPResponseBuilder.respondOk(ctx, err);
 579                         }
 580
 581                 } catch (Exception e) {
 582                         e.printStackTrace();
 583                         LOGGER.error("Exception: ", e);
 584                 }
 585         }
 586
 587         private void sendErrResponse(DMaaPContext ctx, String errMsg) {
 588                 JSONObject err = new JSONObject();
 589                 err.append(ERROR, errMsg);
 590
 591                 try {
 592                         DMaaPResponseBuilder.respondOk(ctx, err);
 593                         LOGGER.error(errMsg);
 594
 595                 } catch (JSONException | IOException e) {
 596                         LOGGER.error(errMsg);
 597                 }
 598         }
 599
 600         @SuppressWarnings("unchecked")
 601         @POST
 602         @Produces("application/json")
 603         @Path("/listallwhitelist")
 604         public void listWhiteList(InputStream msg) {
 605
 606                 DMaaPContext ctx = getDmaapContext();
 607                 if (checkMirrorMakerPermission(ctx,
 608                                 AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop, MIRROR_MAKERUSER))) {
 609
 610                         loadProperty();
 611                         String input = null;
 612
 613                         try {
 614                                 input = IOUtils.toString(msg, UTF_8);
 615
 616                                 if (input != null && input.length() > 0) {
 617                                         input = removeExtraChar(input);
 618                                 }
 619
 620                                 // Check if it is correct Json object
 621                                 JSONObject jsonOb = null;
 622
 623                                 try {
 624                                         jsonOb = new JSONObject(input);
 625
 626                                 } catch (JSONException ex) {
 627
 628                                         sendErrResponse(ctx, errorMessages.getIncorrectJson());
 629                                         LOGGER.error("JSONException: ", ex);
 630                                 }
 631
 632                                 // Check if the request has name and name contains only alpha
 633                                 // numeric
 634                                 // and check if the request has namespace and namespace contains
 635                                 // only alpha numeric
 636                                 if (jsonOb != null
 637                                                 && jsonOb.length() == 2 && jsonOb.has("name")
 638                                                 && !StringUtils.isBlank(jsonOb.getString("name"))
 639                                                 && isAlphaNumeric(jsonOb.getString("name")) && jsonOb.has(NAMESPACE)
 640                                                 && !StringUtils.isBlank(jsonOb.getString(NAMESPACE))) {
 641
 642                                         String permission = AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop,
 643                                                         "msgRtr.mirrormakeruser.aaf.create") + jsonOb.getString(NAMESPACE) + "|create";
 644
 645                                         // Check if the user have create permission for the
 646                                         // namespace
 647                                         if (checkMirrorMakerPermission(ctx, permission)) {
 648
 649                                                 JSONObject listAll = new JSONObject();
 650                                                 JSONObject emptyObject = new JSONObject();
 651
 652                                                 // Create a listAllMirrorMaker Json object
 653                                                 try {
 654                                                         listAll.put("listAllMirrorMaker", emptyObject);
 655
 656                                                 } catch (JSONException e) {
 657
 658                                                         LOGGER.error("JSONException: ", e);
 659                                                 }
 660
 661                                                 // set a random number as messageID
 662                                                 String randomStr = getRandomNum();
 663                                                 listAll.put("messageID", randomStr);
 664                                                 InputStream inStream = null;
 665
 666                                                 // convert listAll Json object to InputStream object
 667                                                 try {
 668                                                         inStream = IOUtils.toInputStream(listAll.toString(), UTF_8);
 669
 670                                                 } catch (IOException ioe) {
 671                                                         ioe.printStackTrace();
 672                                                         LOGGER.error("IOException: ", ioe);
 673                                                 }
 674                                                 // call listAllMirrorMaker
 675                                                 mirrorService.pushEvents(ctx, topic, inStream, null, null);
 676
 677                                                 // subscribe for listMirrorMaker
 678                                                 long startTime = System.currentTimeMillis();
 679                                                 String msgFrmSubscribe = mirrorService.subscribe(ctx, topic, consumergroup, consumerid);
 680
 681                                                 while (!isListMirrorMaker(msgFrmSubscribe, randomStr)
 682                                                                 && (System.currentTimeMillis() - startTime) < timeout) {
 683                                                         msgFrmSubscribe = mirrorService.subscribe(ctx, topic, consumergroup, consumerid);
 684                                                 }
 685
 686                                                 if (msgFrmSubscribe != null && msgFrmSubscribe.length() > 0
 687                                                                 && isListMirrorMaker(msgFrmSubscribe, randomStr)) {
 688
 689                                                         JSONArray listMirrorMaker;
 690                                                         listMirrorMaker = getListMirrorMaker(msgFrmSubscribe, randomStr);
 691
 692                                                         String whitelist = null;
 693                                                         for (int i = 0; i < listMirrorMaker.length(); i++) {
 694
 695                                                                 JSONObject mm;
 696                                                                 mm = listMirrorMaker.getJSONObject(i);
 697                                                                 String name = mm.getString("name");
 698
 699                                                                 if (name.equals(jsonOb.getString("name")) && mm.has("whitelist")) {
 700                                                                         whitelist = mm.getString("whitelist");
 701                                                                         break;
 702                                                                 }
 703                                                         }
 704
 705                                                         if (!StringUtils.isBlank(whitelist)) {
 706
 707                                                                 List<String> topicList = new ArrayList<>();
 708                                                                 List<String> finalTopicList = new ArrayList<>();
 709                                                                 topicList = Arrays.asList(whitelist.split(","));
 710
 711                                                                 for (String topic : topicList) {
 712                                                                         if (topic != null && !topic.equals("null")
 713                                                                                         && getNamespace(topic).equals(jsonOb.getString(NAMESPACE))) {
 714
 715                                                                                 finalTopicList.add(topic);
 716                                                                         }
 717                                                                 }
 718
 719                                                                 String topicNames = "";
 720
 721                                                                 if (!finalTopicList.isEmpty()) {
 722                                                                         topicNames = StringUtils.join(finalTopicList, ",");
 723                                                                 }
 724
 725                                                                 JSONObject listAllWhiteList = new JSONObject();
 726                                                                 listAllWhiteList.put("name", jsonOb.getString("name"));
 727                                                                 listAllWhiteList.put("whitelist", topicNames);
 728
 729                                                                 DMaaPResponseBuilder.respondOk(ctx, listAllWhiteList);
 730                                                         }
 731
 732                                                 } else {
 733
 734                                                         JSONObject err = new JSONObject();
 735                                                         err.append(ERROR,
 736                                                                         "listWhiteList is not available, please make sure MirrorMakerAgent is running");
 737                                                         DMaaPResponseBuilder.respondOk(ctx, err);
 738                                                 }
 739
 740                                         } else {
 741                                                 sendErrResponse(ctx, NO_USER_CREATE_PERMISSION);
 742                                         }
 743
 744                                 } else {
 745
 746                                         sendErrResponse(ctx, "This is not a ListAllWhitelist request. Please try again.");
 747                                 }
 748
 749                         } catch (IOException | CambriaApiException | ConfigDbException | AccessDeniedException
 750                                         | TopicExistsException | missingReqdSetting | UnavailableException e) {
 751
 752                                 LOGGER.error("IOException: ", e);
 753                         }
 754                 } else {
 755                         sendErrResponse(ctx, NO_USER_PERMISSION);
 756                 }
 757         }
 758
 759         @SuppressWarnings("unchecked")
 760         @POST
 761         @Produces("application/json")
 762         @Path("/createwhitelist")
 763         public void createWhiteList(InputStream msg) {
 764
 765                 DMaaPContext ctx = getDmaapContext();
 766                 if (checkMirrorMakerPermission(ctx,
 767                                 AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop, MIRROR_MAKERUSER))) {
 768
 769                         loadProperty();
 770                         String input = null;
 771
 772                         try {
 773                                 input = IOUtils.toString(msg, UTF_8);
 774
 775                                 if (input != null && input.length() > 0) {
 776                                         input = removeExtraChar(input);
 777                                 }
 778
 779                                 // Check if it is correct Json object
 780                                 JSONObject jsonOb = null;
 781
 782                                 try {
 783                                         jsonOb = new JSONObject(input);
 784
 785                                 } catch (JSONException ex) {
 786
 787                                         sendErrResponse(ctx, errorMessages.getIncorrectJson());
 788                                         LOGGER.error("JSONException: ", ex);
 789                                 }
 790
 791                                 // Check if the request has name and name contains only alpha numeric,
 792                                 // check if the request has namespace and
 793                                 // check if the request has whitelistTopicName
 794                                 // check if the topic name contains only alpha numeric
 795                                 if (jsonOb != null && jsonOb.length() == 3 && jsonOb.has("name")
 796                                                 && !StringUtils.isBlank(jsonOb.getString("name"))
 797                                                 && isAlphaNumeric(jsonOb.getString("name"))
 798                                                 && jsonOb.has(NAMESPACE) && !StringUtils.isBlank(jsonOb.getString(NAMESPACE))
 799                                                 && jsonOb.has("whitelistTopicName") && !StringUtils.isBlank(jsonOb.getString("whitelistTopicName"))
 800                                                 && isAlphaNumeric(jsonOb.getString("whitelistTopicName").substring(jsonOb.getString("whitelistTopicName").lastIndexOf(".")+1,
 801                                                                 jsonOb.getString("whitelistTopicName").length()))) {
 802
 803                                         String permission = AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop,
 804                                                         "msgRtr.mirrormakeruser.aaf.create") + jsonOb.getString(NAMESPACE) + "|create";
 805
 806                                         // Check if the user have create permission for the
 807                                         // namespace
 808                                         if (checkMirrorMakerPermission(ctx, permission)) {
 809
 810                                                 JSONObject listAll = new JSONObject();
 811                                                 JSONObject emptyObject = new JSONObject();
 812
 813                                                 // Create a listAllMirrorMaker Json object
 814                                                 try {
 815                                                         listAll.put("listAllMirrorMaker", emptyObject);
 816
 817                                                 } catch (JSONException e) {
 818
 819                                                         LOGGER.error("JSONException: ", e);
 820                                                 }
 821
 822                                                 // set a random number as messageID
 823                                                 String randomStr = getRandomNum();
 824                                                 listAll.put("messageID", randomStr);
 825                                                 InputStream inStream = null;
 826
 827                                                 // convert listAll Json object to InputStream object
 828                                                 try {
 829                                                         inStream = IOUtils.toInputStream(listAll.toString(), UTF_8);
 830
 831                                                 } catch (IOException ioe) {
 832                                                         ioe.printStackTrace();
 833                                                         LOGGER.error("IOException: ", ioe);
 834                                                 }
 835                                                 // call listAllMirrorMaker
 836                                                 mirrorService.pushEvents(ctx, topic, inStream, null, null);
 837
 838                                                 // subscribe for listMirrorMaker
 839                                                 long startTime = System.currentTimeMillis();
 840                                                 String msgFrmSubscribe = mirrorService.subscribe(ctx, topic, consumergroup, consumerid);
 841
 842                                                 while (!isListMirrorMaker(msgFrmSubscribe, randomStr)
 843                                                                 && (System.currentTimeMillis() - startTime) < timeout) {
 844                                                         msgFrmSubscribe = mirrorService.subscribe(ctx, topic, consumergroup, consumerid);
 845                                                 }
 846
 847                                                 JSONArray listMirrorMaker;
 848
 849                                                 if (msgFrmSubscribe != null && msgFrmSubscribe.length() > 0
 850                                                                 && isListMirrorMaker(msgFrmSubscribe, randomStr)) {
 851
 852                                                         listMirrorMaker = getListMirrorMaker(msgFrmSubscribe, randomStr);
 853                                                         String whitelist = null;
 854
 855                                                         for (int i = 0; i < listMirrorMaker.length(); i++) {
 856                                                                 JSONObject mm;
 857                                                                 mm = listMirrorMaker.getJSONObject(i);
 858                                                                 String name = mm.getString("name");
 859
 860                                                                 if (name.equals(jsonOb.getString("name")) && mm.has("whitelist")) {
 861                                                                         whitelist = mm.getString("whitelist");
 862                                                                         break;
 863                                                                 }
 864                                                         }
 865
 866                                                         List<String> topicList = new ArrayList<>();
 867                                                         List<String> finalTopicList = new ArrayList<>();
 868
 869                                                         if (whitelist != null) {
 870                                                                 topicList = Arrays.asList(whitelist.split(","));
 871                                                         }
 872
 873                                                         for (String st : topicList) {
 874                                                                 if (!StringUtils.isBlank(st)) {
 875                                                                         finalTopicList.add(st);
 876                                                                 }
 877                                                         }
 878
 879                                                         String newTopic = jsonOb.getString("whitelistTopicName");
 880
 881                                                         if (!topicList.contains(newTopic)
 882                                                                         && getNamespace(newTopic).equals(jsonOb.getString(NAMESPACE))) {
 883
 884                                                                 UpdateWhiteList updateWhiteList = new UpdateWhiteList();
 885                                                                 MirrorMaker mirrorMaker = new MirrorMaker();
 886                                                                 mirrorMaker.setName(jsonOb.getString("name"));
 887                                                                 finalTopicList.add(newTopic);
 888                                                                 String newWhitelist = "";
 889
 890                                                                 if (!finalTopicList.isEmpty()) {
 891                                                                         newWhitelist = StringUtils.join(finalTopicList, ",");
 892                                                                 }
 893
 894                                                                 mirrorMaker.setWhitelist(newWhitelist);
 895
 896                                                                 String newRandom = getRandomNum();
 897                                                                 updateWhiteList.setMessageID(newRandom);
 898                                                                 updateWhiteList.setUpdateWhiteList(mirrorMaker);
 899
 900                                                                 Gson g = new Gson();
 901                                                                 g.toJson(updateWhiteList);
 902                                                                 InputStream inputStream;
 903                                                                 inputStream = IOUtils.toInputStream(g.toJson(updateWhiteList), UTF_8);
 904                                                                 // callPubSub(newRandom, ctx, inputStream);
 905                                                                 callPubSubForWhitelist(newRandom, ctx, inputStream, jsonOb.getString(NAMESPACE));
 906
 907                                                         } else if (topicList.contains(newTopic)) {
 908                                                                 sendErrResponse(ctx, "The topic already exist.");
 909
 910                                                         } else if (!getNamespace(newTopic).equals(jsonOb.getString(NAMESPACE))) {
 911                                                                 sendErrResponse(ctx,
 912                                                                                 "The namespace of the topic does not match with the namespace you provided.");
 913                                                         }
 914                                                 } else {
 915
 916                                                         JSONObject err = new JSONObject();
 917                                                         err.append(ERROR,
 918                                                                         "listWhiteList is not available, please make sure MirrorMakerAgent is running");
 919                                                         DMaaPResponseBuilder.respondOk(ctx, err);
 920                                                 }
 921
 922                                         } else {
 923                                                 sendErrResponse(ctx, NO_USER_CREATE_PERMISSION);
 924                                         }
 925
 926                                 } else {
 927
 928                                         sendErrResponse(ctx, "This is not a createWhitelist request. Please try again.");
 929                                 }
 930
 931                         } catch (IOException | CambriaApiException | ConfigDbException | AccessDeniedException
 932                                         | TopicExistsException | missingReqdSetting | UnavailableException e) {
 933
 934                                 LOGGER.error("IOException: ", e);
 935                         }
 936                 }
 937                 // Send error response if user does not provide Authorization
 938                 else {
 939                         sendErrResponse(ctx, NO_USER_PERMISSION);
 940                 }
 941         }
 942
 943         @SuppressWarnings("unchecked")
 944         @POST
 945         @Produces("application/json")
 946         @Path("/deletewhitelist")
 947         public void deleteWhiteList(InputStream msg) {
 948
 949                 DMaaPContext ctx = getDmaapContext();
 950                 if (checkMirrorMakerPermission(ctx,
 951                                 AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop, MIRROR_MAKERUSER))) {
 952
 953                         loadProperty();
 954                         String input = null;
 955
 956                         try {
 957                                 input = IOUtils.toString(msg, UTF_8);
 958
 959                                 if (input != null && input.length() > 0) {
 960                                         input = removeExtraChar(input);
 961                                 }
 962
 963                                 // Check if it is correct Json object
 964                                 JSONObject jsonOb = null;
 965
 966                                 try {
 967                                         jsonOb = new JSONObject(input);
 968
 969                                 } catch (JSONException ex) {
 970
 971                                         sendErrResponse(ctx, errorMessages.getIncorrectJson());
 972                                         LOGGER.error("JSONException: ", ex);
 973                                 }
 974
 975                                 // Check if the request has name and name contains only alpha numeric,
 976                                 // check if the request has namespace and
 977                                 // check if the request has whitelistTopicName
 978                                 if (jsonOb != null && jsonOb.length() == 3 && jsonOb.has("name") && isAlphaNumeric(jsonOb.getString("name"))
 979                                                 && jsonOb.has(NAMESPACE) && jsonOb.has("whitelistTopicName")
 980                                                 && isAlphaNumeric(jsonOb.getString("whitelistTopicName").substring(jsonOb.getString("whitelistTopicName").lastIndexOf(".")+1,
 981                                                                 jsonOb.getString("whitelistTopicName").length()))) {
 982
 983                                         String permission = AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop,
 984                                                         "msgRtr.mirrormakeruser.aaf.create") + jsonOb.getString(NAMESPACE) + "|create";
 985
 986                                         // Check if the user have create permission for the
 987                                         // namespace
 988                                         if (checkMirrorMakerPermission(ctx, permission)) {
 989
 990                                                 JSONObject listAll = new JSONObject();
 991                                                 JSONObject emptyObject = new JSONObject();
 992
 993                                                 // Create a listAllMirrorMaker Json object
 994                                                 try {
 995                                                         listAll.put("listAllMirrorMaker", emptyObject);
 996
 997                                                 } catch (JSONException e) {
 998
 999                                                         LOGGER.error("JSONException: ", e);
1000                                                 }
1001
1002                                                 // set a random number as messageID
1003                                                 String randomStr = getRandomNum();
1004                                                 listAll.put("messageID", randomStr);
1005                                                 InputStream inStream = null;
1006
1007                                                 // convert listAll Json object to InputStream object
1008                                                 try {
1009                                                         inStream = IOUtils.toInputStream(listAll.toString(), UTF_8);
1010
1011                                                 } catch (IOException ioe) {
1012                                                         ioe.printStackTrace();
1013                                                         LOGGER.error("IOException: ", ioe);
1014                                                 }
1015                                                 // call listAllMirrorMaker
1016                                                 mirrorService.pushEvents(ctx, topic, inStream, null, null);
1017
1018                                                 // subscribe for listMirrorMaker
1019                                                 long startTime = System.currentTimeMillis();
1020                                                 String msgFrmSubscribe = mirrorService.subscribe(ctx, topic, consumergroup, consumerid);
1021
1022                                                 while (!isListMirrorMaker(msgFrmSubscribe, randomStr)
1023                                                                 && (System.currentTimeMillis() - startTime) < timeout) {
1024                                                         msgFrmSubscribe = mirrorService.subscribe(ctx, topic, consumergroup, consumerid);
1025                                                 }
1026
1027                                                 JSONObject jsonObj;
1028                                                 JSONArray jsonArray;
1029                                                 JSONArray listMirrorMaker = null;
1030
1031                                                 if (msgFrmSubscribe != null && msgFrmSubscribe.length() > 0
1032                                                                 && isListMirrorMaker(msgFrmSubscribe, randomStr)) {
1033                                                         msgFrmSubscribe = removeExtraChar(msgFrmSubscribe);
1034                                                         jsonArray = new JSONArray(msgFrmSubscribe);
1035
1036                                                         for (int i = 0; i < jsonArray.length(); i++) {
1037                                                                 jsonObj = jsonArray.getJSONObject(i);
1038
1039                                                                 JSONObject obj = new JSONObject();
1040                                                                 if (jsonObj.has(MESSAGE)) {
1041                                                                         obj = jsonObj.getJSONObject(MESSAGE);
1042                                                                 }
1043                                                                 if (obj.has("messageID") && obj.get("messageID").equals(randomStr) && obj.has(LISTMIRRORMAKER)) {
1044                                                                         listMirrorMaker = obj.getJSONArray(LISTMIRRORMAKER);
1045                                                                         break;
1046                                                                 }
1047                                                         }
1048                                                         String whitelist = null;
1049                                                         if (listMirrorMaker != null) {
1050                                                                 for (int i = 0; i < listMirrorMaker.length(); i++) {
1051
1052                                                                         JSONObject mm = new JSONObject();
1053                                                                         mm = listMirrorMaker.getJSONObject(i);
1054                                                                         String name = mm.getString("name");
1055
1056                                                                         if (name.equals(jsonOb.getString("name")) && mm.has("whitelist")) {
1057                                                                                 whitelist = mm.getString("whitelist");
1058                                                                                 break;
1059                                                                         }
1060                                                                 }
1061                                                         }
1062
1063                                                         List<String> topicList = new ArrayList<>();
1064
1065                                                         if (whitelist != null) {
1066                                                                 topicList = Arrays.asList(whitelist.split(","));
1067                                                         }
1068                                                         boolean removeTopic = false;
1069                                                         String topicToRemove = jsonOb.getString("whitelistTopicName");
1070
1071                                                         if (topicList.contains(topicToRemove)) {
1072                                                                 removeTopic = true;
1073                                                         } else {
1074                                                                 sendErrResponse(ctx, "The topic does not exist.");
1075                                                         }
1076
1077
1078                                                         if (removeTopic) {
1079                                                                 UpdateWhiteList updateWhiteList = new UpdateWhiteList();
1080                                                                 MirrorMaker mirrorMaker = new MirrorMaker();
1081
1082                                                                 mirrorMaker.setName(jsonOb.getString("name"));
1083                                                                 mirrorMaker.setWhitelist(removeTopic(whitelist, topicToRemove));
1084
1085                                                                 String newRandom = getRandomNum();
1086
1087                                                                 updateWhiteList.setMessageID(newRandom);
1088                                                                 updateWhiteList.setUpdateWhiteList(mirrorMaker);
1089
1090                                                                 Gson g = new Gson();
1091                                                                 g.toJson(updateWhiteList);
1092
1093                                                                 InputStream inputStream;
1094                                                                 inputStream = IOUtils.toInputStream(g.toJson(updateWhiteList), UTF_8);
1095                                                                 callPubSubForWhitelist(newRandom, ctx, inputStream, getNamespace(topicToRemove));
1096                                                         }
1097
1098                                                 } else {
1099
1100                                                         JSONObject err = new JSONObject();
1101                                                         err.append(ERROR,
1102                                                                         "listWhiteList is not available, please make sure MirrorMakerAgent is running");
1103                                                         DMaaPResponseBuilder.respondOk(ctx, err);
1104                                                 }
1105
1106                                         } else {
1107                                                 sendErrResponse(ctx, NO_USER_CREATE_PERMISSION);
1108                                         }
1109
1110                                 } else {
1111
1112                                         sendErrResponse(ctx, "This is not a DeleteAllWhitelist request. Please try again.");
1113                                 }
1114
1115                         } catch (IOException | CambriaApiException | ConfigDbException | AccessDeniedException
1116                                         | TopicExistsException | missingReqdSetting | UnavailableException e) {
1117
1118                                 LOGGER.error("IOException: ", e);
1119                         }
1120                 }
1121                 // Send error response if user does not provide Authorization
1122                 else {
1123                         sendErrResponse(ctx, NO_USER_PERMISSION);
1124                 }
1125         }
1126
1127         private String getNamespace(String topic) {
1128                 return topic.substring(0, topic.lastIndexOf("."));
1129         }
1130
1131         private String removeTopic(String whitelist, String topicToRemove) {
1132                 List<String> topicList = new ArrayList<>();
1133                 List<String> newTopicList = new ArrayList<>();
1134
1135                 if (whitelist.contains(",")) {
1136                         topicList = Arrays.asList(whitelist.split(","));
1137
1138                 }
1139
1140                 if (topicList.contains(topicToRemove)) {
1141                         for (String topic: topicList) {
1142                                 if (!topic.equals(topicToRemove)) {
1143                                         newTopicList.add(topic);
1144                                 }
1145                         }
1146                 }
1147
1148                 String newWhitelist = StringUtils.join(newTopicList, ",");
1149
1150                 return newWhitelist;
1151         }
1152
1153         private void callPubSubForWhitelist(String randomStr, DMaaPContext ctx, InputStream inStream, String namespace) {
1154
1155                 try {
1156                         mirrorService.pushEvents(ctx, topic, inStream, null, null);
1157                         long startTime = System.currentTimeMillis();
1158                         String msgFrmSubscribe = mirrorService.subscribe(ctx, topic, consumergroup, consumerid);
1159
1160                         while (!isListMirrorMaker(msgFrmSubscribe, randomStr)
1161                                         && (System.currentTimeMillis() - startTime) < timeout) {
1162                                 msgFrmSubscribe = mirrorService.subscribe(ctx, topic, consumergroup, consumerid);
1163                         }
1164
1165                         JSONObject jsonObj;
1166                         JSONArray jsonArray;
1167                         JSONArray jsonArrayNamespace = null;
1168
1169                         if (msgFrmSubscribe != null && msgFrmSubscribe.length() > 0
1170                                         && isListMirrorMaker(msgFrmSubscribe, randomStr)) {
1171                                 msgFrmSubscribe = removeExtraChar(msgFrmSubscribe);
1172                                 jsonArray = new JSONArray(msgFrmSubscribe);
1173
1174                                 for (int i = 0; i < jsonArray.length(); i++) {
1175                                         jsonObj = jsonArray.getJSONObject(i);
1176
1177                                         JSONObject obj = new JSONObject();
1178                                         if (jsonObj.has(MESSAGE)) {
1179                                                 obj = jsonObj.getJSONObject(MESSAGE);
1180                                         }
1181                                         if (obj.has("messageID") && obj.get("messageID").equals(randomStr) && obj.has(LISTMIRRORMAKER)) {
1182                                                 jsonArrayNamespace = obj.getJSONArray(LISTMIRRORMAKER);
1183                                         }
1184                                 }
1185                                 JSONObject finalJasonObj = new JSONObject();
1186                                 JSONArray finalJsonArray = new JSONArray();
1187
1188                                 for (int i = 0; i < jsonArrayNamespace.length(); i++) {
1189
1190                                         JSONObject mmObj;
1191                                         mmObj = jsonArrayNamespace.getJSONObject(i);
1192                                         String whitelist;
1193
1194                                         if (mmObj.has("whitelist")) {
1195                                                 whitelist = getWhitelistByNamespace(mmObj.getString("whitelist"), namespace);
1196
1197                                                 if (whitelist != null) {
1198                                                         mmObj.remove("whitelist");
1199                                                         mmObj.put("whitelist", whitelist);
1200                                                 } else {
1201                                                         mmObj.remove("whitelist");
1202                                                 }
1203                                         }
1204                                         finalJsonArray.put(mmObj);
1205                                 }
1206                                 finalJasonObj.put(LISTMIRRORMAKER, finalJsonArray);
1207
1208                                 DMaaPResponseBuilder.respondOk(ctx, finalJasonObj);
1209
1210                         } else {
1211
1212                                 JSONObject err = new JSONObject();
1213                                 err.append(ERROR, "listMirrorMaker is not available, please make sure MirrorMakerAgent is running");
1214                                 DMaaPResponseBuilder.respondOk(ctx, err);
1215                         }
1216
1217                 } catch (Exception e) {
1218                         LOGGER.error("Exception: ", e);
1219                 }
1220         }
1221
1222         private String getWhitelistByNamespace(String originalWhitelist, String namespace) {
1223
1224                 String whitelist = null;
1225                 List<String> resultList = new ArrayList<>();
1226                 List<String> whitelistList = new ArrayList<>();
1227                 whitelistList = Arrays.asList(originalWhitelist.split(","));
1228
1229                 for (String topic : whitelistList) {
1230                         if (StringUtils.isNotBlank(originalWhitelist) && getNamespace(topic).equals(namespace)) {
1231                                 resultList.add(topic);
1232                         }
1233                 }
1234                 if (!resultList.isEmpty()) {
1235                         whitelist = StringUtils.join(resultList, ",");
1236                 }
1237
1238                 return whitelist;
1239         }
1240
1241         private JSONArray getListMirrorMaker(String msgFrmSubscribe, String randomStr) {
1242                 JSONObject jsonObj;
1243                 JSONArray jsonArray;
1244                 JSONArray listMirrorMaker = new JSONArray();
1245
1246                 msgFrmSubscribe = removeExtraChar(msgFrmSubscribe);
1247                 jsonArray = new JSONArray(msgFrmSubscribe);
1248
1249                 for (int i = 0; i < jsonArray.length(); i++) {
1250                         jsonObj = jsonArray.getJSONObject(i);
1251
1252                         JSONObject obj = new JSONObject();
1253                         if (jsonObj.has(MESSAGE)) {
1254                                 obj = jsonObj.getJSONObject(MESSAGE);
1255                         }
1256                         if (obj.has("messageID") && obj.get("messageID").equals(randomStr) && obj.has(LISTMIRRORMAKER)) {
1257                                 listMirrorMaker = obj.getJSONArray(LISTMIRRORMAKER);
1258                                 break;
1259                         }
1260                 }
1261                 return listMirrorMaker;
1262         }
1263 }