nmode's Git Repositories - signal-cli/blob - lib/src/main/java/org/asamk/signal/manager/ManagerImpl.java

   1 /*
   2   Copyright (C) 2015-2022 AsamK and contributors
   3
   4   This program is free software: you can redistribute it and/or modify
   5   it under the terms of the GNU General Public License as published by
   6   the Free Software Foundation, either version 3 of the License, or
   7   (at your option) any later version.
   8
   9   This program is distributed in the hope that it will be useful,
  10   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12   GNU General Public License for more details.
  13
  14   You should have received a copy of the GNU General Public License
  15   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.asamk.signal.manager;
  18
  19 import org.asamk.signal.manager.api.AttachmentInvalidException;
  20 import org.asamk.signal.manager.api.Configuration;
  21 import org.asamk.signal.manager.api.Device;
  22 import org.asamk.signal.manager.api.Group;
  23 import org.asamk.signal.manager.api.Identity;
  24 import org.asamk.signal.manager.api.InactiveGroupLinkException;
  25 import org.asamk.signal.manager.api.InvalidDeviceLinkException;
  26 import org.asamk.signal.manager.api.InvalidStickerException;
  27 import org.asamk.signal.manager.api.Message;
  28 import org.asamk.signal.manager.api.NotPrimaryDeviceException;
  29 import org.asamk.signal.manager.api.Pair;
  30 import org.asamk.signal.manager.api.ReceiveConfig;
  31 import org.asamk.signal.manager.api.RecipientIdentifier;
  32 import org.asamk.signal.manager.api.SendGroupMessageResults;
  33 import org.asamk.signal.manager.api.SendMessageResult;
  34 import org.asamk.signal.manager.api.SendMessageResults;
  35 import org.asamk.signal.manager.api.StickerPack;
  36 import org.asamk.signal.manager.api.StickerPackId;
  37 import org.asamk.signal.manager.api.StickerPackInvalidException;
  38 import org.asamk.signal.manager.api.StickerPackUrl;
  39 import org.asamk.signal.manager.api.TypingAction;
  40 import org.asamk.signal.manager.api.UnregisteredRecipientException;
  41 import org.asamk.signal.manager.api.UpdateGroup;
  42 import org.asamk.signal.manager.api.UpdateProfile;
  43 import org.asamk.signal.manager.api.UserStatus;
  44 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  45 import org.asamk.signal.manager.groups.GroupId;
  46 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  47 import org.asamk.signal.manager.groups.GroupNotFoundException;
  48 import org.asamk.signal.manager.groups.GroupSendingNotAllowedException;
  49 import org.asamk.signal.manager.groups.LastGroupAdminException;
  50 import org.asamk.signal.manager.groups.NotAGroupMemberException;
  51 import org.asamk.signal.manager.helper.AccountFileUpdater;
  52 import org.asamk.signal.manager.helper.Context;
  53 import org.asamk.signal.manager.storage.SignalAccount;
  54 import org.asamk.signal.manager.storage.groups.GroupInfo;
  55 import org.asamk.signal.manager.storage.identities.IdentityInfo;
  56 import org.asamk.signal.manager.storage.recipients.Profile;
  57 import org.asamk.signal.manager.storage.recipients.Recipient;
  58 import org.asamk.signal.manager.storage.recipients.RecipientId;
  59 import org.asamk.signal.manager.storage.stickerPacks.JsonStickerPack;
  60 import org.asamk.signal.manager.storage.stickerPacks.StickerPackStore;
  61 import org.asamk.signal.manager.storage.stickers.Sticker;
  62 import org.asamk.signal.manager.util.AttachmentUtils;
  63 import org.asamk.signal.manager.util.KeyUtils;
  64 import org.asamk.signal.manager.util.StickerUtils;
  65 import org.slf4j.Logger;
  66 import org.slf4j.LoggerFactory;
  67 import org.whispersystems.signalservice.api.SignalSessionLock;
  68 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
  69 import org.whispersystems.signalservice.api.messages.SignalServicePreview;
  70 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
  71 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
  72 import org.whispersystems.signalservice.api.push.ACI;
  73 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  74 import org.whispersystems.signalservice.api.util.InvalidNumberException;
  75 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  76 import org.whispersystems.signalservice.internal.util.Hex;
  77 import org.whispersystems.signalservice.internal.util.Util;
  78
  79 import java.io.File;
  80 import java.io.IOException;
  81 import java.net.URI;
  82 import java.time.Duration;
  83 import java.util.ArrayList;
  84 import java.util.Collection;
  85 import java.util.HashMap;
  86 import java.util.HashSet;
  87 import java.util.List;
  88 import java.util.Map;
  89 import java.util.Objects;
  90 import java.util.Optional;
  91 import java.util.Set;
  92 import java.util.concurrent.ExecutorService;
  93 import java.util.concurrent.Executors;
  94 import java.util.concurrent.atomic.AtomicInteger;
  95 import java.util.concurrent.locks.ReentrantLock;
  96 import java.util.function.Function;
  97 import java.util.stream.Collectors;
  98 import java.util.stream.Stream;
  99
 100 import io.reactivex.rxjava3.disposables.CompositeDisposable;
 101
 102 class ManagerImpl implements Manager {
 103
 104     private final static Logger logger = LoggerFactory.getLogger(ManagerImpl.class);
 105
 106     private SignalAccount account;
 107     private final SignalDependencies dependencies;
 108     private final Context context;
 109
 110     private final ExecutorService executor = Executors.newCachedThreadPool();
 111
 112     private Thread receiveThread;
 113     private boolean isReceivingSynchronous;
 114     private final Set<ReceiveMessageHandler> weakHandlers = new HashSet<>();
 115     private final Set<ReceiveMessageHandler> messageHandlers = new HashSet<>();
 116     private final List<Runnable> closedListeners = new ArrayList<>();
 117     private final List<Runnable> addressChangedListeners = new ArrayList<>();
 118     private final CompositeDisposable disposable = new CompositeDisposable();
 119
 120     ManagerImpl(
 121             SignalAccount account,
 122             PathConfig pathConfig,
 123             AccountFileUpdater accountFileUpdater,
 124             ServiceEnvironmentConfig serviceEnvironmentConfig,
 125             String userAgent
 126     ) {
 127         this.account = account;
 128
 129         final var sessionLock = new SignalSessionLock() {
 130             private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 131
 132             @Override
 133             public Lock acquire() {
 134                 LEGACY_LOCK.lock();
 135                 return LEGACY_LOCK::unlock;
 136             }
 137         };
 138         this.dependencies = new SignalDependencies(serviceEnvironmentConfig,
 139                 userAgent,
 140                 account.getCredentialsProvider(),
 141                 account.getSignalServiceDataStore(),
 142                 executor,
 143                 sessionLock);
 144         final var avatarStore = new AvatarStore(pathConfig.avatarsPath());
 145         final var attachmentStore = new AttachmentStore(pathConfig.attachmentsPath());
 146         final var stickerPackStore = new StickerPackStore(pathConfig.stickerPacksPath());
 147
 148         this.context = new Context(account, new AccountFileUpdater() {
 149             @Override
 150             public void updateAccountIdentifiers(final String number, final ACI aci) {
 151                 accountFileUpdater.updateAccountIdentifiers(number, aci);
 152                 synchronized (addressChangedListeners) {
 153                     addressChangedListeners.forEach(Runnable::run);
 154                 }
 155             }
 156
 157             @Override
 158             public void removeAccount() {
 159                 accountFileUpdater.removeAccount();
 160             }
 161         }, dependencies, avatarStore, attachmentStore, stickerPackStore);
 162         this.context.getAccountHelper().setUnregisteredListener(this::close);
 163         this.context.getReceiveHelper().setAuthenticationFailureListener(this::close);
 164         this.context.getReceiveHelper().setCaughtUpWithOldMessagesListener(() -> {
 165             synchronized (this) {
 166                 this.notifyAll();
 167             }
 168         });
 169         disposable.add(account.getIdentityKeyStore().getIdentityChanges().subscribe(recipientId -> {
 170             logger.trace("Archiving old sessions for {}", recipientId);
 171             account.getSessionStore().archiveSessions(recipientId);
 172             account.getSenderKeyStore().deleteSharedWith(recipientId);
 173             final var profile = account.getProfileStore().getProfile(recipientId);
 174             if (profile != null) {
 175                 account.getProfileStore()
 176                         .storeProfile(recipientId,
 177                                 Profile.newBuilder(profile)
 178                                         .withUnidentifiedAccessMode(Profile.UnidentifiedAccessMode.UNKNOWN)
 179                                         .withLastUpdateTimestamp(0)
 180                                         .build());
 181             }
 182         }));
 183     }
 184
 185     @Override
 186     public String getSelfNumber() {
 187         return account.getNumber();
 188     }
 189
 190     void checkAccountState() throws IOException {
 191         context.getAccountHelper().checkAccountState();
 192     }
 193
 194     @Override
 195     public Map<String, UserStatus> getUserStatus(Set<String> numbers) throws IOException {
 196         final var canonicalizedNumbers = numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 197             try {
 198                 final var canonicalizedNumber = PhoneNumberFormatter.formatNumber(n, account.getNumber());
 199                 if (!canonicalizedNumber.equals(n)) {
 200                     logger.debug("Normalized number {} to {}.", n, canonicalizedNumber);
 201                 }
 202                 return canonicalizedNumber;
 203             } catch (InvalidNumberException e) {
 204                 return "";
 205             }
 206         }));
 207
 208         // Note "registeredUsers" has no optionals. It only gives us info on users who are registered
 209         final var canonicalizedNumbersSet = canonicalizedNumbers.values()
 210                 .stream()
 211                 .filter(s -> !s.isEmpty())
 212                 .collect(Collectors.toSet());
 213         final var registeredUsers = context.getRecipientHelper().getRegisteredUsers(canonicalizedNumbersSet);
 214
 215         return numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 216             final var number = canonicalizedNumbers.get(n);
 217             final var aci = registeredUsers.get(number);
 218             final var profile = aci == null
 219                     ? null
 220                     : context.getProfileHelper()
 221                             .getRecipientProfile(account.getRecipientResolver().resolveRecipient(aci));
 222             return new UserStatus(number.isEmpty() ? null : number,
 223                     aci == null ? null : aci.uuid(),
 224                     profile != null
 225                             && profile.getUnidentifiedAccessMode() == Profile.UnidentifiedAccessMode.UNRESTRICTED);
 226         }));
 227     }
 228
 229     @Override
 230     public void updateAccountAttributes(String deviceName) throws IOException {
 231         if (deviceName != null) {
 232             context.getAccountHelper().setDeviceName(deviceName);
 233         }
 234         context.getAccountHelper().updateAccountAttributes();
 235     }
 236
 237     @Override
 238     public Configuration getConfiguration() {
 239         final var configurationStore = account.getConfigurationStore();
 240         return Configuration.from(configurationStore);
 241     }
 242
 243     @Override
 244     public void updateConfiguration(
 245             Configuration configuration
 246     ) throws NotPrimaryDeviceException {
 247         if (!account.isPrimaryDevice()) {
 248             throw new NotPrimaryDeviceException();
 249         }
 250
 251         final var configurationStore = account.getConfigurationStore();
 252         if (configuration.readReceipts().isPresent()) {
 253             configurationStore.setReadReceipts(configuration.readReceipts().get());
 254         }
 255         if (configuration.unidentifiedDeliveryIndicators().isPresent()) {
 256             configurationStore.setUnidentifiedDeliveryIndicators(configuration.unidentifiedDeliveryIndicators().get());
 257         }
 258         if (configuration.typingIndicators().isPresent()) {
 259             configurationStore.setTypingIndicators(configuration.typingIndicators().get());
 260         }
 261         if (configuration.linkPreviews().isPresent()) {
 262             configurationStore.setLinkPreviews(configuration.linkPreviews().get());
 263         }
 264         context.getSyncHelper().sendConfigurationMessage();
 265     }
 266
 267     @Override
 268     public void updateProfile(UpdateProfile updateProfile) throws IOException {
 269         context.getProfileHelper()
 270                 .setProfile(updateProfile.getGivenName(),
 271                         updateProfile.getFamilyName(),
 272                         updateProfile.getAbout(),
 273                         updateProfile.getAboutEmoji(),
 274                         updateProfile.isDeleteAvatar()
 275                                 ? Optional.empty()
 276                                 : updateProfile.getAvatar() == null ? null : Optional.of(updateProfile.getAvatar()),
 277                         updateProfile.getMobileCoinAddress());
 278         context.getSyncHelper().sendSyncFetchProfileMessage();
 279     }
 280
 281     @Override
 282     public void unregister() throws IOException {
 283         context.getAccountHelper().unregister();
 284     }
 285
 286     @Override
 287     public void deleteAccount() throws IOException {
 288         context.getAccountHelper().deleteAccount();
 289     }
 290
 291     @Override
 292     public void submitRateLimitRecaptchaChallenge(String challenge, String captcha) throws IOException {
 293         captcha = captcha == null ? null : captcha.replace("signalcaptcha://", "");
 294
 295         dependencies.getAccountManager().submitRateLimitRecaptchaChallenge(challenge, captcha);
 296     }
 297
 298     @Override
 299     public List<Device> getLinkedDevices() throws IOException {
 300         var devices = dependencies.getAccountManager().getDevices();
 301         account.setMultiDevice(devices.size() > 1);
 302         var identityKey = account.getAciIdentityKeyPair().getPrivateKey();
 303         return devices.stream().map(d -> {
 304             String deviceName = d.getName();
 305             if (deviceName != null) {
 306                 try {
 307                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 308                 } catch (IOException e) {
 309                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 310                 }
 311             }
 312             return new Device(d.getId(),
 313                     deviceName,
 314                     d.getCreated(),
 315                     d.getLastSeen(),
 316                     d.getId() == account.getDeviceId());
 317         }).toList();
 318     }
 319
 320     @Override
 321     public void removeLinkedDevices(int deviceId) throws IOException {
 322         context.getAccountHelper().removeLinkedDevices(deviceId);
 323     }
 324
 325     @Override
 326     public void addDeviceLink(URI linkUri) throws IOException, InvalidDeviceLinkException {
 327         var deviceLinkInfo = DeviceLinkInfo.parseDeviceLinkUri(linkUri);
 328         context.getAccountHelper().addDevice(deviceLinkInfo);
 329     }
 330
 331     @Override
 332     public void setRegistrationLockPin(Optional<String> pin) throws IOException, NotPrimaryDeviceException {
 333         if (!account.isPrimaryDevice()) {
 334             throw new NotPrimaryDeviceException();
 335         }
 336         if (pin.isPresent()) {
 337             context.getAccountHelper().setRegistrationPin(pin.get());
 338         } else {
 339             context.getAccountHelper().removeRegistrationPin();
 340         }
 341     }
 342
 343     void refreshPreKeys() throws IOException {
 344         context.getPreKeyHelper().refreshPreKeys();
 345     }
 346
 347     @Override
 348     public Profile getRecipientProfile(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
 349         return context.getProfileHelper().getRecipientProfile(context.getRecipientHelper().resolveRecipient(recipient));
 350     }
 351
 352     @Override
 353     public List<Group> getGroups() {
 354         return account.getGroupStore().getGroups().stream().map(this::toGroup).toList();
 355     }
 356
 357     private Group toGroup(final GroupInfo groupInfo) {
 358         if (groupInfo == null) {
 359             return null;
 360         }
 361
 362         return Group.from(groupInfo, account.getRecipientAddressResolver(), account.getSelfRecipientId());
 363     }
 364
 365     @Override
 366     public SendGroupMessageResults quitGroup(
 367             GroupId groupId, Set<RecipientIdentifier.Single> groupAdmins
 368     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, LastGroupAdminException, UnregisteredRecipientException {
 369         final var newAdmins = context.getRecipientHelper().resolveRecipients(groupAdmins);
 370         return context.getGroupHelper().quitGroup(groupId, newAdmins);
 371     }
 372
 373     @Override
 374     public void deleteGroup(GroupId groupId) throws IOException {
 375         final var group = context.getGroupHelper().getGroup(groupId);
 376         if (group.isMember(account.getSelfRecipientId())) {
 377             throw new IOException(
 378                     "The local group information cannot be removed, as the user is still a member of the group");
 379         }
 380         context.getGroupHelper().deleteGroup(groupId);
 381     }
 382
 383     @Override
 384     public Pair<GroupId, SendGroupMessageResults> createGroup(
 385             String name, Set<RecipientIdentifier.Single> members, File avatarFile
 386     ) throws IOException, AttachmentInvalidException, UnregisteredRecipientException {
 387         return context.getGroupHelper()
 388                 .createGroup(name,
 389                         members == null ? null : context.getRecipientHelper().resolveRecipients(members),
 390                         avatarFile);
 391     }
 392
 393     @Override
 394     public SendGroupMessageResults updateGroup(
 395             final GroupId groupId, final UpdateGroup updateGroup
 396     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 397         return context.getGroupHelper()
 398                 .updateGroup(groupId,
 399                         updateGroup.getName(),
 400                         updateGroup.getDescription(),
 401                         updateGroup.getMembers() == null
 402                                 ? null
 403                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getMembers()),
 404                         updateGroup.getRemoveMembers() == null
 405                                 ? null
 406                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveMembers()),
 407                         updateGroup.getAdmins() == null
 408                                 ? null
 409                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getAdmins()),
 410                         updateGroup.getRemoveAdmins() == null
 411                                 ? null
 412                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveAdmins()),
 413                         updateGroup.getBanMembers() == null
 414                                 ? null
 415                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getBanMembers()),
 416                         updateGroup.getUnbanMembers() == null
 417                                 ? null
 418                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getUnbanMembers()),
 419                         updateGroup.isResetGroupLink(),
 420                         updateGroup.getGroupLinkState(),
 421                         updateGroup.getAddMemberPermission(),
 422                         updateGroup.getEditDetailsPermission(),
 423                         updateGroup.getAvatarFile(),
 424                         updateGroup.getExpirationTimer(),
 425                         updateGroup.getIsAnnouncementGroup());
 426     }
 427
 428     @Override
 429     public Pair<GroupId, SendGroupMessageResults> joinGroup(
 430             GroupInviteLinkUrl inviteLinkUrl
 431     ) throws IOException, InactiveGroupLinkException {
 432         return context.getGroupHelper().joinGroup(inviteLinkUrl);
 433     }
 434
 435     private SendMessageResults sendMessage(
 436             SignalServiceDataMessage.Builder messageBuilder, Set<RecipientIdentifier> recipients
 437     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 438         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 439         long timestamp = System.currentTimeMillis();
 440         messageBuilder.withTimestamp(timestamp);
 441         for (final var recipient : recipients) {
 442             if (recipient instanceof RecipientIdentifier.Single single) {
 443                 try {
 444                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 445                     final var result = context.getSendHelper().sendMessage(messageBuilder, recipientId);
 446                     results.put(recipient, List.of(toSendMessageResult(result)));
 447                 } catch (UnregisteredRecipientException e) {
 448                     results.put(recipient,
 449                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 450                 }
 451             } else if (recipient instanceof RecipientIdentifier.NoteToSelf) {
 452                 final var result = context.getSendHelper().sendSelfMessage(messageBuilder);
 453                 results.put(recipient, List.of(toSendMessageResult(result)));
 454             } else if (recipient instanceof RecipientIdentifier.Group group) {
 455                 final var result = context.getSendHelper().sendAsGroupMessage(messageBuilder, group.groupId());
 456                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 457             }
 458         }
 459         return new SendMessageResults(timestamp, results);
 460     }
 461
 462     private SendMessageResult toSendMessageResult(final org.whispersystems.signalservice.api.messages.SendMessageResult result) {
 463         return SendMessageResult.from(result, account.getRecipientResolver(), account.getRecipientAddressResolver());
 464     }
 465
 466     private SendMessageResults sendTypingMessage(
 467             SignalServiceTypingMessage.Action action, Set<RecipientIdentifier> recipients
 468     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 469         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 470         final var timestamp = System.currentTimeMillis();
 471         for (var recipient : recipients) {
 472             if (recipient instanceof RecipientIdentifier.Single single) {
 473                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.empty());
 474                 try {
 475                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 476                     final var result = context.getSendHelper().sendTypingMessage(message, recipientId);
 477                     results.put(recipient, List.of(toSendMessageResult(result)));
 478                 } catch (UnregisteredRecipientException e) {
 479                     results.put(recipient,
 480                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 481                 }
 482             } else if (recipient instanceof RecipientIdentifier.Group) {
 483                 final var groupId = ((RecipientIdentifier.Group) recipient).groupId();
 484                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.of(groupId.serialize()));
 485                 final var result = context.getSendHelper().sendGroupTypingMessage(message, groupId);
 486                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 487             }
 488         }
 489         return new SendMessageResults(timestamp, results);
 490     }
 491
 492     @Override
 493     public SendMessageResults sendTypingMessage(
 494             TypingAction action, Set<RecipientIdentifier> recipients
 495     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 496         return sendTypingMessage(action.toSignalService(), recipients);
 497     }
 498
 499     @Override
 500     public SendMessageResults sendReadReceipt(
 501             RecipientIdentifier.Single sender, List<Long> messageIds
 502     ) {
 503         final var timestamp = System.currentTimeMillis();
 504         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.READ,
 505                 messageIds,
 506                 timestamp);
 507
 508         return sendReceiptMessage(sender, timestamp, receiptMessage);
 509     }
 510
 511     @Override
 512     public SendMessageResults sendViewedReceipt(
 513             RecipientIdentifier.Single sender, List<Long> messageIds
 514     ) {
 515         final var timestamp = System.currentTimeMillis();
 516         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.VIEWED,
 517                 messageIds,
 518                 timestamp);
 519
 520         return sendReceiptMessage(sender, timestamp, receiptMessage);
 521     }
 522
 523     private SendMessageResults sendReceiptMessage(
 524             final RecipientIdentifier.Single sender,
 525             final long timestamp,
 526             final SignalServiceReceiptMessage receiptMessage
 527     ) {
 528         try {
 529             final var result = context.getSendHelper()
 530                     .sendReceiptMessage(receiptMessage, context.getRecipientHelper().resolveRecipient(sender));
 531             return new SendMessageResults(timestamp, Map.of(sender, List.of(toSendMessageResult(result))));
 532         } catch (UnregisteredRecipientException e) {
 533             return new SendMessageResults(timestamp,
 534                     Map.of(sender, List.of(SendMessageResult.unregisteredFailure(sender.toPartialRecipientAddress()))));
 535         }
 536     }
 537
 538     @Override
 539     public SendMessageResults sendMessage(
 540             Message message, Set<RecipientIdentifier> recipients
 541     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 542         final var selfProfile = context.getProfileHelper().getSelfProfile();
 543         if (selfProfile == null || selfProfile.getDisplayName().isEmpty()) {
 544             logger.warn(
 545                     "No profile name set. When sending a message it's recommended to set a profile name wit the updateProfile command. This may become mandatory in the future.");
 546         }
 547         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 548         applyMessage(messageBuilder, message);
 549         return sendMessage(messageBuilder, recipients);
 550     }
 551
 552     private void applyMessage(
 553             final SignalServiceDataMessage.Builder messageBuilder, final Message message
 554     ) throws AttachmentInvalidException, IOException, UnregisteredRecipientException, InvalidStickerException {
 555         messageBuilder.withBody(message.messageText());
 556         if (message.attachments().size() > 0) {
 557             messageBuilder.withAttachments(context.getAttachmentHelper().uploadAttachments(message.attachments()));
 558         }
 559         if (message.mentions().size() > 0) {
 560             messageBuilder.withMentions(resolveMentions(message.mentions()));
 561         }
 562         if (message.quote().isPresent()) {
 563             final var quote = message.quote().get();
 564             messageBuilder.withQuote(new SignalServiceDataMessage.Quote(quote.timestamp(),
 565                     context.getRecipientHelper()
 566                             .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(quote.author())),
 567                     quote.message(),
 568                     List.of(),
 569                     resolveMentions(quote.mentions()),
 570                     SignalServiceDataMessage.Quote.Type.NORMAL));
 571         }
 572         if (message.sticker().isPresent()) {
 573             final var sticker = message.sticker().get();
 574             final var packId = StickerPackId.deserialize(sticker.packId());
 575             final var stickerId = sticker.stickerId();
 576
 577             final var stickerPack = context.getAccount().getStickerStore().getStickerPack(packId);
 578             if (stickerPack == null) {
 579                 throw new InvalidStickerException("Sticker pack not found");
 580             }
 581             final var manifest = context.getStickerHelper().getOrRetrieveStickerPack(packId, stickerPack.getPackKey());
 582             if (manifest.stickers().size() <= stickerId) {
 583                 throw new InvalidStickerException("Sticker id not part of this pack");
 584             }
 585             final var manifestSticker = manifest.stickers().get(stickerId);
 586             final var streamDetails = context.getStickerPackStore().retrieveSticker(packId, stickerId);
 587             if (streamDetails == null) {
 588                 throw new InvalidStickerException("Missing local sticker file");
 589             }
 590             messageBuilder.withSticker(new SignalServiceDataMessage.Sticker(packId.serialize(),
 591                     stickerPack.getPackKey(),
 592                     stickerId,
 593                     manifestSticker.emoji(),
 594                     AttachmentUtils.createAttachmentStream(streamDetails, Optional.empty())));
 595         }
 596         if (message.previews().size() > 0) {
 597             final var previews = new ArrayList<SignalServicePreview>(message.previews().size());
 598             for (final var p : message.previews()) {
 599                 final var image = p.image().isPresent() ? context.getAttachmentHelper()
 600                         .uploadAttachment(p.image().get()) : null;
 601                 previews.add(new SignalServicePreview(p.url(),
 602                         p.title(),
 603                         p.description(),
 604                         0,
 605                         Optional.ofNullable(image)));
 606             }
 607             messageBuilder.withPreviews(previews);
 608         }
 609     }
 610
 611     private ArrayList<SignalServiceDataMessage.Mention> resolveMentions(final List<Message.Mention> mentionList) throws UnregisteredRecipientException {
 612         final var mentions = new ArrayList<SignalServiceDataMessage.Mention>();
 613         for (final var m : mentionList) {
 614             final var recipientId = context.getRecipientHelper().resolveRecipient(m.recipient());
 615             mentions.add(new SignalServiceDataMessage.Mention(context.getRecipientHelper()
 616                     .resolveSignalServiceAddress(recipientId)
 617                     .getServiceId(), m.start(), m.length()));
 618         }
 619         return mentions;
 620     }
 621
 622     @Override
 623     public SendMessageResults sendRemoteDeleteMessage(
 624             long targetSentTimestamp, Set<RecipientIdentifier> recipients
 625     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 626         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
 627         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
 628         for (final var recipient : recipients) {
 629             if (recipient instanceof RecipientIdentifier.Single r) {
 630                 try {
 631                     final var recipientId = context.getRecipientHelper().resolveRecipient(r);
 632                     account.getMessageSendLogStore().deleteEntryForRecipientNonGroup(targetSentTimestamp, recipientId);
 633                 } catch (UnregisteredRecipientException ignored) {
 634                 }
 635             } else if (recipient instanceof RecipientIdentifier.Group r) {
 636                 account.getMessageSendLogStore().deleteEntryForGroup(targetSentTimestamp, r.groupId());
 637             }
 638         }
 639         return sendMessage(messageBuilder, recipients);
 640     }
 641
 642     @Override
 643     public SendMessageResults sendMessageReaction(
 644             String emoji,
 645             boolean remove,
 646             RecipientIdentifier.Single targetAuthor,
 647             long targetSentTimestamp,
 648             Set<RecipientIdentifier> recipients
 649     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 650         var targetAuthorRecipientId = context.getRecipientHelper().resolveRecipient(targetAuthor);
 651         var reaction = new SignalServiceDataMessage.Reaction(emoji,
 652                 remove,
 653                 context.getRecipientHelper().resolveSignalServiceAddress(targetAuthorRecipientId),
 654                 targetSentTimestamp);
 655         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 656         return sendMessage(messageBuilder, recipients);
 657     }
 658
 659     @Override
 660     public SendMessageResults sendPaymentNotificationMessage(
 661             byte[] receipt, String note, RecipientIdentifier.Single recipient
 662     ) throws IOException {
 663         final var paymentNotification = new SignalServiceDataMessage.PaymentNotification(receipt, note);
 664         final var payment = new SignalServiceDataMessage.Payment(paymentNotification);
 665         final var messageBuilder = SignalServiceDataMessage.newBuilder().withPayment(payment);
 666         try {
 667             return sendMessage(messageBuilder, Set.of(recipient));
 668         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 669             throw new AssertionError(e);
 670         }
 671     }
 672
 673     @Override
 674     public SendMessageResults sendEndSessionMessage(Set<RecipientIdentifier.Single> recipients) throws IOException {
 675         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
 676
 677         try {
 678             return sendMessage(messageBuilder,
 679                     recipients.stream().map(RecipientIdentifier.class::cast).collect(Collectors.toSet()));
 680         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 681             throw new AssertionError(e);
 682         } finally {
 683             for (var recipient : recipients) {
 684                 final RecipientId recipientId;
 685                 try {
 686                     recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 687                 } catch (UnregisteredRecipientException e) {
 688                     continue;
 689                 }
 690                 account.getSessionStore().deleteAllSessions(recipientId);
 691             }
 692         }
 693     }
 694
 695     @Override
 696     public void deleteRecipient(final RecipientIdentifier.Single recipient) {
 697         account.removeRecipient(account.getRecipientResolver().resolveRecipient(recipient.toPartialRecipientAddress()));
 698     }
 699
 700     @Override
 701     public void deleteContact(final RecipientIdentifier.Single recipient) {
 702         account.getContactStore()
 703                 .deleteContact(account.getRecipientResolver().resolveRecipient(recipient.toPartialRecipientAddress()));
 704     }
 705
 706     @Override
 707     public void setContactName(
 708             RecipientIdentifier.Single recipient, String givenName, final String familyName
 709     ) throws NotPrimaryDeviceException, UnregisteredRecipientException {
 710         if (!account.isPrimaryDevice()) {
 711             throw new NotPrimaryDeviceException();
 712         }
 713         context.getContactHelper()
 714                 .setContactName(context.getRecipientHelper().resolveRecipient(recipient), givenName, familyName);
 715     }
 716
 717     @Override
 718     public void setContactsBlocked(
 719             Collection<RecipientIdentifier.Single> recipients, boolean blocked
 720     ) throws NotPrimaryDeviceException, IOException, UnregisteredRecipientException {
 721         if (!account.isPrimaryDevice()) {
 722             throw new NotPrimaryDeviceException();
 723         }
 724         if (recipients.size() == 0) {
 725             return;
 726         }
 727         final var recipientIds = context.getRecipientHelper().resolveRecipients(recipients);
 728         final var selfRecipientId = account.getSelfRecipientId();
 729         boolean shouldRotateProfileKey = false;
 730         for (final var recipientId : recipientIds) {
 731             if (context.getContactHelper().isContactBlocked(recipientId) == blocked) {
 732                 continue;
 733             }
 734             context.getContactHelper().setContactBlocked(recipientId, blocked);
 735             // if we don't have a common group with the blocked contact we need to rotate the profile key
 736             shouldRotateProfileKey = blocked && (
 737                     shouldRotateProfileKey || account.getGroupStore()
 738                             .getGroups()
 739                             .stream()
 740                             .noneMatch(g -> g.isMember(selfRecipientId) && g.isMember(recipientId))
 741             );
 742         }
 743         if (shouldRotateProfileKey) {
 744             context.getProfileHelper().rotateProfileKey();
 745         }
 746         context.getSyncHelper().sendBlockedList();
 747     }
 748
 749     @Override
 750     public void setGroupsBlocked(
 751             final Collection<GroupId> groupIds, final boolean blocked
 752     ) throws GroupNotFoundException, NotPrimaryDeviceException, IOException {
 753         if (!account.isPrimaryDevice()) {
 754             throw new NotPrimaryDeviceException();
 755         }
 756         if (groupIds.size() == 0) {
 757             return;
 758         }
 759         boolean shouldRotateProfileKey = false;
 760         for (final var groupId : groupIds) {
 761             if (context.getGroupHelper().isGroupBlocked(groupId) == blocked) {
 762                 continue;
 763             }
 764             context.getGroupHelper().setGroupBlocked(groupId, blocked);
 765             shouldRotateProfileKey = blocked;
 766         }
 767         if (shouldRotateProfileKey) {
 768             context.getProfileHelper().rotateProfileKey();
 769         }
 770         context.getSyncHelper().sendBlockedList();
 771     }
 772
 773     @Override
 774     public void setExpirationTimer(
 775             RecipientIdentifier.Single recipient, int messageExpirationTimer
 776     ) throws IOException, UnregisteredRecipientException {
 777         var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 778         context.getContactHelper().setExpirationTimer(recipientId, messageExpirationTimer);
 779         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
 780         try {
 781             sendMessage(messageBuilder, Set.of(recipient));
 782         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 783             throw new AssertionError(e);
 784         }
 785     }
 786
 787     @Override
 788     public StickerPackUrl uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
 789         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
 790
 791         var messageSender = dependencies.getMessageSender();
 792
 793         var packKey = KeyUtils.createStickerUploadKey();
 794         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
 795         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
 796
 797         var sticker = new Sticker(packId, packKey);
 798         account.getStickerStore().updateSticker(sticker);
 799
 800         return new StickerPackUrl(packId, packKey);
 801     }
 802
 803     @Override
 804     public List<StickerPack> getStickerPacks() {
 805         final var stickerPackStore = context.getStickerPackStore();
 806         return account.getStickerStore().getStickerPacks().stream().map(pack -> {
 807             if (stickerPackStore.existsStickerPack(pack.getPackId())) {
 808                 try {
 809                     final var manifest = stickerPackStore.retrieveManifest(pack.getPackId());
 810                     return new StickerPack(pack.getPackId(),
 811                             new StickerPackUrl(pack.getPackId(), pack.getPackKey()),
 812                             pack.isInstalled(),
 813                             manifest.title(),
 814                             manifest.author(),
 815                             Optional.ofNullable(manifest.cover() == null ? null : manifest.cover().toApi()),
 816                             manifest.stickers().stream().map(JsonStickerPack.JsonSticker::toApi).toList());
 817                 } catch (Exception e) {
 818                     logger.warn("Failed to read local sticker pack manifest: {}", e.getMessage(), e);
 819                 }
 820             }
 821
 822             return new StickerPack(pack.getPackId(), pack.getPackKey(), pack.isInstalled());
 823         }).toList();
 824     }
 825
 826     @Override
 827     public void requestAllSyncData() throws IOException {
 828         context.getSyncHelper().requestAllSyncData();
 829         retrieveRemoteStorage();
 830     }
 831
 832     void retrieveRemoteStorage() throws IOException {
 833         if (account.getStorageKey() != null) {
 834             context.getStorageHelper().readDataFromStorage();
 835         }
 836     }
 837
 838     @Override
 839     public void addReceiveHandler(final ReceiveMessageHandler handler, final boolean isWeakListener) {
 840         if (isReceivingSynchronous) {
 841             throw new IllegalStateException("Already receiving message synchronously.");
 842         }
 843         synchronized (messageHandlers) {
 844             if (isWeakListener) {
 845                 weakHandlers.add(handler);
 846             } else {
 847                 messageHandlers.add(handler);
 848                 startReceiveThreadIfRequired();
 849             }
 850         }
 851     }
 852
 853     private static final AtomicInteger threadNumber = new AtomicInteger(0);
 854
 855     private void startReceiveThreadIfRequired() {
 856         if (receiveThread != null) {
 857             return;
 858         }
 859         receiveThread = new Thread(() -> {
 860             logger.debug("Starting receiving messages");
 861             context.getReceiveHelper().receiveMessagesContinuously((envelope, e) -> {
 862                 synchronized (messageHandlers) {
 863                     final var handlers = Stream.concat(messageHandlers.stream(), weakHandlers.stream()).toList();
 864                     handlers.forEach(h -> {
 865                         try {
 866                             h.handleMessage(envelope, e);
 867                         } catch (Throwable ex) {
 868                             logger.warn("Message handler failed, ignoring", ex);
 869                         }
 870                     });
 871                 }
 872             });
 873             logger.debug("Finished receiving messages");
 874             synchronized (messageHandlers) {
 875                 receiveThread = null;
 876
 877                 // Check if in the meantime another handler has been registered
 878                 if (!messageHandlers.isEmpty()) {
 879                     logger.debug("Another handler has been registered, starting receive thread again");
 880                     startReceiveThreadIfRequired();
 881                 }
 882             }
 883         });
 884         receiveThread.setName("receive-" + threadNumber.getAndIncrement());
 885
 886         receiveThread.start();
 887     }
 888
 889     @Override
 890     public void removeReceiveHandler(final ReceiveMessageHandler handler) {
 891         final Thread thread;
 892         synchronized (messageHandlers) {
 893             weakHandlers.remove(handler);
 894             messageHandlers.remove(handler);
 895             if (!messageHandlers.isEmpty() || receiveThread == null || isReceivingSynchronous) {
 896                 return;
 897             }
 898             thread = receiveThread;
 899             receiveThread = null;
 900         }
 901
 902         stopReceiveThread(thread);
 903     }
 904
 905     private void stopReceiveThread(final Thread thread) {
 906         if (context.getReceiveHelper().requestStopReceiveMessages()) {
 907             logger.debug("Receive stop requested, interrupting read from server.");
 908             thread.interrupt();
 909         }
 910         try {
 911             thread.join();
 912         } catch (InterruptedException ignored) {
 913         }
 914     }
 915
 916     @Override
 917     public boolean isReceiving() {
 918         if (isReceivingSynchronous) {
 919             return true;
 920         }
 921         synchronized (messageHandlers) {
 922             return messageHandlers.size() > 0;
 923         }
 924     }
 925
 926     @Override
 927     public void receiveMessages(Duration timeout, ReceiveMessageHandler handler) throws IOException {
 928         receiveMessages(timeout, true, handler);
 929     }
 930
 931     @Override
 932     public void receiveMessages(ReceiveMessageHandler handler) throws IOException {
 933         receiveMessages(Duration.ofMinutes(1), false, handler);
 934     }
 935
 936     private void receiveMessages(
 937             Duration timeout, boolean returnOnTimeout, ReceiveMessageHandler handler
 938     ) throws IOException {
 939         if (isReceiving()) {
 940             throw new IllegalStateException("Already receiving message.");
 941         }
 942         isReceivingSynchronous = true;
 943         receiveThread = Thread.currentThread();
 944         try {
 945             context.getReceiveHelper().receiveMessages(timeout, returnOnTimeout, handler);
 946         } finally {
 947             receiveThread = null;
 948             isReceivingSynchronous = false;
 949         }
 950     }
 951
 952     @Override
 953     public void setReceiveConfig(final ReceiveConfig receiveConfig) {
 954         context.getReceiveHelper().setReceiveConfig(receiveConfig);
 955     }
 956
 957     @Override
 958     public boolean hasCaughtUpWithOldMessages() {
 959         return context.getReceiveHelper().hasCaughtUpWithOldMessages();
 960     }
 961
 962     @Override
 963     public boolean isContactBlocked(final RecipientIdentifier.Single recipient) {
 964         final RecipientId recipientId;
 965         try {
 966             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 967         } catch (UnregisteredRecipientException e) {
 968             return false;
 969         }
 970         return context.getContactHelper().isContactBlocked(recipientId);
 971     }
 972
 973     @Override
 974     public void sendContacts() throws IOException {
 975         context.getSyncHelper().sendContacts();
 976     }
 977
 978     @Override
 979     public List<Recipient> getRecipients(
 980             boolean onlyContacts,
 981             Optional<Boolean> blocked,
 982             Collection<RecipientIdentifier.Single> recipients,
 983             Optional<String> name
 984     ) {
 985         final var recipientIds = recipients.stream().map(a -> {
 986             try {
 987                 return context.getRecipientHelper().resolveRecipient(a);
 988             } catch (UnregisteredRecipientException e) {
 989                 return null;
 990             }
 991         }).filter(Objects::nonNull).collect(Collectors.toSet());
 992         // refresh profiles of explicitly given recipients
 993         context.getProfileHelper().refreshRecipientProfiles(recipientIds);
 994         return account.getRecipientStore().getRecipients(onlyContacts, blocked, recipientIds, name);
 995     }
 996
 997     @Override
 998     public String getContactOrProfileName(RecipientIdentifier.Single recipient) {
 999         final RecipientId recipientId;
1000         try {
1001             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1002         } catch (UnregisteredRecipientException e) {
1003             return null;
1004         }
1005
1006         final var contact = account.getContactStore().getContact(recipientId);
1007         if (contact != null && !Util.isEmpty(contact.getName())) {
1008             return contact.getName();
1009         }
1010
1011         final var profile = context.getProfileHelper().getRecipientProfile(recipientId);
1012         if (profile != null) {
1013             return profile.getDisplayName();
1014         }
1015
1016         return null;
1017     }
1018
1019     @Override
1020     public Group getGroup(GroupId groupId) {
1021         return toGroup(context.getGroupHelper().getGroup(groupId));
1022     }
1023
1024     @Override
1025     public List<Identity> getIdentities() {
1026         return account.getIdentityKeyStore().getIdentities().stream().map(this::toIdentity).toList();
1027     }
1028
1029     private Identity toIdentity(final IdentityInfo identityInfo) {
1030         if (identityInfo == null) {
1031             return null;
1032         }
1033
1034         final var address = account.getRecipientAddressResolver()
1035                 .resolveRecipientAddress(identityInfo.getRecipientId());
1036         final var scannableFingerprint = context.getIdentityHelper()
1037                 .computeSafetyNumberForScanning(identityInfo.getRecipientId(), identityInfo.getIdentityKey());
1038         return new Identity(address,
1039                 identityInfo.getIdentityKey(),
1040                 context.getIdentityHelper()
1041                         .computeSafetyNumber(identityInfo.getRecipientId(), identityInfo.getIdentityKey()),
1042                 scannableFingerprint == null ? null : scannableFingerprint.getSerialized(),
1043                 identityInfo.getTrustLevel(),
1044                 identityInfo.getDateAdded());
1045     }
1046
1047     @Override
1048     public List<Identity> getIdentities(RecipientIdentifier.Single recipient) {
1049         IdentityInfo identity;
1050         try {
1051             identity = account.getIdentityKeyStore()
1052                     .getIdentity(context.getRecipientHelper().resolveRecipient(recipient));
1053         } catch (UnregisteredRecipientException e) {
1054             identity = null;
1055         }
1056         return identity == null ? List.of() : List.of(toIdentity(identity));
1057     }
1058
1059     @Override
1060     public boolean trustIdentityVerified(
1061             RecipientIdentifier.Single recipient, byte[] fingerprint
1062     ) throws UnregisteredRecipientException {
1063         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityVerified(r, fingerprint));
1064     }
1065
1066     @Override
1067     public boolean trustIdentityVerifiedSafetyNumber(
1068             RecipientIdentifier.Single recipient, String safetyNumber
1069     ) throws UnregisteredRecipientException {
1070         return trustIdentity(recipient,
1071                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
1072     }
1073
1074     @Override
1075     public boolean trustIdentityVerifiedSafetyNumber(
1076             RecipientIdentifier.Single recipient, byte[] safetyNumber
1077     ) throws UnregisteredRecipientException {
1078         return trustIdentity(recipient,
1079                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
1080     }
1081
1082     @Override
1083     public boolean trustIdentityAllKeys(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
1084         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityAllKeys(r));
1085     }
1086
1087     private boolean trustIdentity(
1088             RecipientIdentifier.Single recipient, Function<RecipientId, Boolean> trustMethod
1089     ) throws UnregisteredRecipientException {
1090         final var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1091         final var updated = trustMethod.apply(recipientId);
1092         if (updated && this.isReceiving()) {
1093             context.getReceiveHelper().setNeedsToRetryFailedMessages(true);
1094         }
1095         return updated;
1096     }
1097
1098     @Override
1099     public void addAddressChangedListener(final Runnable listener) {
1100         synchronized (addressChangedListeners) {
1101             addressChangedListeners.add(listener);
1102         }
1103     }
1104
1105     @Override
1106     public void addClosedListener(final Runnable listener) {
1107         synchronized (closedListeners) {
1108             closedListeners.add(listener);
1109         }
1110     }
1111
1112     @Override
1113     public void close() {
1114         Thread thread;
1115         synchronized (messageHandlers) {
1116             weakHandlers.clear();
1117             messageHandlers.clear();
1118             thread = receiveThread;
1119             receiveThread = null;
1120         }
1121         if (thread != null) {
1122             stopReceiveThread(thread);
1123         }
1124         executor.shutdown();
1125
1126         dependencies.getSignalWebSocket().disconnect();
1127         disposable.dispose();
1128
1129         if (account != null) {
1130             account.close();
1131         }
1132
1133         synchronized (closedListeners) {
1134             closedListeners.forEach(Runnable::run);
1135             closedListeners.clear();
1136         }
1137
1138         account = null;
1139     }
1140 }