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.PendingAdminApprovalException;
  31 import org.asamk.signal.manager.api.ReceiveConfig;
  32 import org.asamk.signal.manager.api.Recipient;
  33 import org.asamk.signal.manager.api.RecipientIdentifier;
  34 import org.asamk.signal.manager.api.SendGroupMessageResults;
  35 import org.asamk.signal.manager.api.SendMessageResult;
  36 import org.asamk.signal.manager.api.SendMessageResults;
  37 import org.asamk.signal.manager.api.StickerPackId;
  38 import org.asamk.signal.manager.api.StickerPackInvalidException;
  39 import org.asamk.signal.manager.api.StickerPackUrl;
  40 import org.asamk.signal.manager.api.TypingAction;
  41 import org.asamk.signal.manager.api.UnregisteredRecipientException;
  42 import org.asamk.signal.manager.api.UpdateGroup;
  43 import org.asamk.signal.manager.api.UpdateProfile;
  44 import org.asamk.signal.manager.api.UserStatus;
  45 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  46 import org.asamk.signal.manager.groups.GroupId;
  47 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  48 import org.asamk.signal.manager.groups.GroupNotFoundException;
  49 import org.asamk.signal.manager.groups.GroupSendingNotAllowedException;
  50 import org.asamk.signal.manager.groups.LastGroupAdminException;
  51 import org.asamk.signal.manager.groups.NotAGroupMemberException;
  52 import org.asamk.signal.manager.helper.AccountFileUpdater;
  53 import org.asamk.signal.manager.helper.Context;
  54 import org.asamk.signal.manager.storage.SignalAccount;
  55 import org.asamk.signal.manager.storage.groups.GroupInfo;
  56 import org.asamk.signal.manager.storage.identities.IdentityInfo;
  57 import org.asamk.signal.manager.storage.recipients.Profile;
  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.StickerPack;
  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.push.ServiceId;
  74 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  75 import org.whispersystems.signalservice.api.util.InvalidNumberException;
  76 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  77 import org.whispersystems.signalservice.internal.util.Hex;
  78 import org.whispersystems.signalservice.internal.util.Util;
  79
  80 import java.io.File;
  81 import java.io.IOException;
  82 import java.net.URI;
  83 import java.time.Duration;
  84 import java.util.ArrayList;
  85 import java.util.Collection;
  86 import java.util.HashMap;
  87 import java.util.HashSet;
  88 import java.util.List;
  89 import java.util.Map;
  90 import java.util.Objects;
  91 import java.util.Optional;
  92 import java.util.Set;
  93 import java.util.concurrent.ExecutorService;
  94 import java.util.concurrent.Executors;
  95 import java.util.concurrent.atomic.AtomicInteger;
  96 import java.util.concurrent.locks.ReentrantLock;
  97 import java.util.function.Function;
  98 import java.util.stream.Collectors;
  99 import java.util.stream.Stream;
 100
 101 import io.reactivex.rxjava3.disposables.CompositeDisposable;
 102
 103 class ManagerImpl implements Manager {
 104
 105     private final static Logger logger = LoggerFactory.getLogger(ManagerImpl.class);
 106
 107     private SignalAccount account;
 108     private final SignalDependencies dependencies;
 109     private final Context context;
 110
 111     private final ExecutorService executor = Executors.newCachedThreadPool();
 112
 113     private Thread receiveThread;
 114     private boolean isReceivingSynchronous;
 115     private final Set<ReceiveMessageHandler> weakHandlers = new HashSet<>();
 116     private final Set<ReceiveMessageHandler> messageHandlers = new HashSet<>();
 117     private final List<Runnable> closedListeners = new ArrayList<>();
 118     private final List<Runnable> addressChangedListeners = new ArrayList<>();
 119     private final CompositeDisposable disposable = new CompositeDisposable();
 120
 121     ManagerImpl(
 122             SignalAccount account,
 123             PathConfig pathConfig,
 124             AccountFileUpdater accountFileUpdater,
 125             ServiceEnvironmentConfig serviceEnvironmentConfig,
 126             String userAgent
 127     ) {
 128         this.account = account;
 129
 130         final var sessionLock = new SignalSessionLock() {
 131             private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 132
 133             @Override
 134             public Lock acquire() {
 135                 LEGACY_LOCK.lock();
 136                 return LEGACY_LOCK::unlock;
 137             }
 138         };
 139         this.dependencies = new SignalDependencies(serviceEnvironmentConfig,
 140                 userAgent,
 141                 account.getCredentialsProvider(),
 142                 account.getSignalServiceDataStore(),
 143                 executor,
 144                 sessionLock);
 145         final var avatarStore = new AvatarStore(pathConfig.avatarsPath());
 146         final var attachmentStore = new AttachmentStore(pathConfig.attachmentsPath());
 147         final var stickerPackStore = new StickerPackStore(pathConfig.stickerPacksPath());
 148
 149         this.context = new Context(account, new AccountFileUpdater() {
 150             @Override
 151             public void updateAccountIdentifiers(final String number, final ACI aci) {
 152                 accountFileUpdater.updateAccountIdentifiers(number, aci);
 153                 synchronized (addressChangedListeners) {
 154                     addressChangedListeners.forEach(Runnable::run);
 155                 }
 156             }
 157
 158             @Override
 159             public void removeAccount() {
 160                 accountFileUpdater.removeAccount();
 161             }
 162         }, dependencies, avatarStore, attachmentStore, stickerPackStore);
 163         this.context.getAccountHelper().setUnregisteredListener(this::close);
 164         this.context.getReceiveHelper().setAuthenticationFailureListener(this::close);
 165         this.context.getReceiveHelper().setCaughtUpWithOldMessagesListener(() -> {
 166             synchronized (this) {
 167                 this.notifyAll();
 168             }
 169         });
 170         disposable.add(account.getIdentityKeyStore().getIdentityChanges().subscribe(serviceId -> {
 171             logger.trace("Archiving old sessions for {}", serviceId);
 172             account.getAciSessionStore().archiveSessions(serviceId);
 173             account.getPniSessionStore().archiveSessions(serviceId);
 174             account.getSenderKeyStore().deleteSharedWith(serviceId);
 175             final var recipientId = account.getRecipientResolver().resolveRecipient(serviceId);
 176             final var profile = account.getProfileStore().getProfile(recipientId);
 177             if (profile != null) {
 178                 account.getProfileStore()
 179                         .storeProfile(recipientId,
 180                                 Profile.newBuilder(profile)
 181                                         .withUnidentifiedAccessMode(Profile.UnidentifiedAccessMode.UNKNOWN)
 182                                         .withLastUpdateTimestamp(0)
 183                                         .build());
 184             }
 185         }));
 186     }
 187
 188     @Override
 189     public String getSelfNumber() {
 190         return account.getNumber();
 191     }
 192
 193     void checkAccountState() throws IOException {
 194         context.getAccountHelper().checkAccountState();
 195     }
 196
 197     @Override
 198     public Map<String, UserStatus> getUserStatus(Set<String> numbers) throws IOException {
 199         final var canonicalizedNumbers = numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 200             try {
 201                 final var canonicalizedNumber = PhoneNumberFormatter.formatNumber(n, account.getNumber());
 202                 if (!canonicalizedNumber.equals(n)) {
 203                     logger.debug("Normalized number {} to {}.", n, canonicalizedNumber);
 204                 }
 205                 return canonicalizedNumber;
 206             } catch (InvalidNumberException e) {
 207                 return "";
 208             }
 209         }));
 210
 211         // Note "registeredUsers" has no optionals. It only gives us info on users who are registered
 212         final var canonicalizedNumbersSet = canonicalizedNumbers.values()
 213                 .stream()
 214                 .filter(s -> !s.isEmpty())
 215                 .collect(Collectors.toSet());
 216         final var registeredUsers = context.getRecipientHelper().getRegisteredUsers(canonicalizedNumbersSet);
 217
 218         return numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 219             final var number = canonicalizedNumbers.get(n);
 220             final var user = registeredUsers.get(number);
 221             final var serviceId = user == null ? null : user.getServiceId();
 222             final var profile = serviceId == null
 223                     ? null
 224                     : context.getProfileHelper()
 225                             .getRecipientProfile(account.getRecipientResolver().resolveRecipient(serviceId));
 226             return new UserStatus(number.isEmpty() ? null : number,
 227                     serviceId == null ? null : serviceId.uuid(),
 228                     profile != null
 229                             && profile.getUnidentifiedAccessMode() == Profile.UnidentifiedAccessMode.UNRESTRICTED);
 230         }));
 231     }
 232
 233     @Override
 234     public void updateAccountAttributes(String deviceName) throws IOException {
 235         if (deviceName != null) {
 236             context.getAccountHelper().setDeviceName(deviceName);
 237         }
 238         context.getAccountHelper().updateAccountAttributes();
 239         context.getAccountHelper().checkWhoAmiI();
 240     }
 241
 242     @Override
 243     public Configuration getConfiguration() {
 244         final var configurationStore = account.getConfigurationStore();
 245         return Configuration.from(configurationStore);
 246     }
 247
 248     @Override
 249     public void updateConfiguration(
 250             Configuration configuration
 251     ) throws NotPrimaryDeviceException {
 252         if (!account.isPrimaryDevice()) {
 253             throw new NotPrimaryDeviceException();
 254         }
 255
 256         final var configurationStore = account.getConfigurationStore();
 257         if (configuration.readReceipts().isPresent()) {
 258             configurationStore.setReadReceipts(configuration.readReceipts().get());
 259         }
 260         if (configuration.unidentifiedDeliveryIndicators().isPresent()) {
 261             configurationStore.setUnidentifiedDeliveryIndicators(configuration.unidentifiedDeliveryIndicators().get());
 262         }
 263         if (configuration.typingIndicators().isPresent()) {
 264             configurationStore.setTypingIndicators(configuration.typingIndicators().get());
 265         }
 266         if (configuration.linkPreviews().isPresent()) {
 267             configurationStore.setLinkPreviews(configuration.linkPreviews().get());
 268         }
 269         context.getSyncHelper().sendConfigurationMessage();
 270     }
 271
 272     @Override
 273     public void updateProfile(UpdateProfile updateProfile) throws IOException {
 274         context.getProfileHelper()
 275                 .setProfile(updateProfile.getGivenName(),
 276                         updateProfile.getFamilyName(),
 277                         updateProfile.getAbout(),
 278                         updateProfile.getAboutEmoji(),
 279                         updateProfile.isDeleteAvatar()
 280                                 ? Optional.empty()
 281                                 : updateProfile.getAvatar() == null ? null : Optional.of(updateProfile.getAvatar()),
 282                         updateProfile.getMobileCoinAddress());
 283         context.getSyncHelper().sendSyncFetchProfileMessage();
 284     }
 285
 286     @Override
 287     public void unregister() throws IOException {
 288         context.getAccountHelper().unregister();
 289     }
 290
 291     @Override
 292     public void deleteAccount() throws IOException {
 293         context.getAccountHelper().deleteAccount();
 294     }
 295
 296     @Override
 297     public void submitRateLimitRecaptchaChallenge(String challenge, String captcha) throws IOException {
 298         captcha = captcha == null ? null : captcha.replace("signalcaptcha://", "");
 299
 300         dependencies.getAccountManager().submitRateLimitRecaptchaChallenge(challenge, captcha);
 301     }
 302
 303     @Override
 304     public List<Device> getLinkedDevices() throws IOException {
 305         var devices = dependencies.getAccountManager().getDevices();
 306         account.setMultiDevice(devices.size() > 1);
 307         var identityKey = account.getAciIdentityKeyPair().getPrivateKey();
 308         return devices.stream().map(d -> {
 309             String deviceName = d.getName();
 310             if (deviceName != null) {
 311                 try {
 312                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 313                 } catch (IOException e) {
 314                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 315                 }
 316             }
 317             return new Device(d.getId(),
 318                     deviceName,
 319                     d.getCreated(),
 320                     d.getLastSeen(),
 321                     d.getId() == account.getDeviceId());
 322         }).toList();
 323     }
 324
 325     @Override
 326     public void removeLinkedDevices(int deviceId) throws IOException {
 327         context.getAccountHelper().removeLinkedDevices(deviceId);
 328     }
 329
 330     @Override
 331     public void addDeviceLink(URI linkUri) throws IOException, InvalidDeviceLinkException {
 332         var deviceLinkInfo = DeviceLinkInfo.parseDeviceLinkUri(linkUri);
 333         context.getAccountHelper().addDevice(deviceLinkInfo);
 334     }
 335
 336     @Override
 337     public void setRegistrationLockPin(Optional<String> pin) throws IOException, NotPrimaryDeviceException {
 338         if (!account.isPrimaryDevice()) {
 339             throw new NotPrimaryDeviceException();
 340         }
 341         if (pin.isPresent()) {
 342             context.getAccountHelper().setRegistrationPin(pin.get());
 343         } else {
 344             context.getAccountHelper().removeRegistrationPin();
 345         }
 346     }
 347
 348     void refreshPreKeys() throws IOException {
 349         context.getPreKeyHelper().refreshPreKeys();
 350     }
 351
 352     @Override
 353     public Profile getRecipientProfile(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
 354         return context.getProfileHelper().getRecipientProfile(context.getRecipientHelper().resolveRecipient(recipient));
 355     }
 356
 357     @Override
 358     public List<Group> getGroups() {
 359         return account.getGroupStore().getGroups().stream().map(this::toGroup).toList();
 360     }
 361
 362     private Group toGroup(final GroupInfo groupInfo) {
 363         if (groupInfo == null) {
 364             return null;
 365         }
 366
 367         return Group.from(groupInfo, account.getRecipientAddressResolver(), account.getSelfRecipientId());
 368     }
 369
 370     @Override
 371     public SendGroupMessageResults quitGroup(
 372             GroupId groupId, Set<RecipientIdentifier.Single> groupAdmins
 373     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, LastGroupAdminException, UnregisteredRecipientException {
 374         final var newAdmins = context.getRecipientHelper().resolveRecipients(groupAdmins);
 375         return context.getGroupHelper().quitGroup(groupId, newAdmins);
 376     }
 377
 378     @Override
 379     public void deleteGroup(GroupId groupId) throws IOException {
 380         final var group = context.getGroupHelper().getGroup(groupId);
 381         if (group.isMember(account.getSelfRecipientId())) {
 382             throw new IOException(
 383                     "The local group information cannot be removed, as the user is still a member of the group");
 384         }
 385         context.getGroupHelper().deleteGroup(groupId);
 386     }
 387
 388     @Override
 389     public Pair<GroupId, SendGroupMessageResults> createGroup(
 390             String name, Set<RecipientIdentifier.Single> members, File avatarFile
 391     ) throws IOException, AttachmentInvalidException, UnregisteredRecipientException {
 392         return context.getGroupHelper()
 393                 .createGroup(name,
 394                         members == null ? null : context.getRecipientHelper().resolveRecipients(members),
 395                         avatarFile);
 396     }
 397
 398     @Override
 399     public SendGroupMessageResults updateGroup(
 400             final GroupId groupId, final UpdateGroup updateGroup
 401     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 402         return context.getGroupHelper()
 403                 .updateGroup(groupId,
 404                         updateGroup.getName(),
 405                         updateGroup.getDescription(),
 406                         updateGroup.getMembers() == null
 407                                 ? null
 408                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getMembers()),
 409                         updateGroup.getRemoveMembers() == null
 410                                 ? null
 411                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveMembers()),
 412                         updateGroup.getAdmins() == null
 413                                 ? null
 414                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getAdmins()),
 415                         updateGroup.getRemoveAdmins() == null
 416                                 ? null
 417                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveAdmins()),
 418                         updateGroup.getBanMembers() == null
 419                                 ? null
 420                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getBanMembers()),
 421                         updateGroup.getUnbanMembers() == null
 422                                 ? null
 423                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getUnbanMembers()),
 424                         updateGroup.isResetGroupLink(),
 425                         updateGroup.getGroupLinkState(),
 426                         updateGroup.getAddMemberPermission(),
 427                         updateGroup.getEditDetailsPermission(),
 428                         updateGroup.getAvatarFile(),
 429                         updateGroup.getExpirationTimer(),
 430                         updateGroup.getIsAnnouncementGroup());
 431     }
 432
 433     @Override
 434     public Pair<GroupId, SendGroupMessageResults> joinGroup(
 435             GroupInviteLinkUrl inviteLinkUrl
 436     ) throws IOException, InactiveGroupLinkException, PendingAdminApprovalException {
 437         return context.getGroupHelper().joinGroup(inviteLinkUrl);
 438     }
 439
 440     private SendMessageResults sendMessage(
 441             SignalServiceDataMessage.Builder messageBuilder, Set<RecipientIdentifier> recipients
 442     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 443         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 444         long timestamp = System.currentTimeMillis();
 445         messageBuilder.withTimestamp(timestamp);
 446         for (final var recipient : recipients) {
 447             if (recipient instanceof RecipientIdentifier.Single single) {
 448                 try {
 449                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 450                     final var result = context.getSendHelper().sendMessage(messageBuilder, recipientId);
 451                     results.put(recipient, List.of(toSendMessageResult(result)));
 452                 } catch (UnregisteredRecipientException e) {
 453                     results.put(recipient,
 454                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 455                 }
 456             } else if (recipient instanceof RecipientIdentifier.NoteToSelf) {
 457                 final var result = context.getSendHelper().sendSelfMessage(messageBuilder);
 458                 results.put(recipient, List.of(toSendMessageResult(result)));
 459             } else if (recipient instanceof RecipientIdentifier.Group group) {
 460                 final var result = context.getSendHelper().sendAsGroupMessage(messageBuilder, group.groupId());
 461                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 462             }
 463         }
 464         return new SendMessageResults(timestamp, results);
 465     }
 466
 467     private SendMessageResult toSendMessageResult(final org.whispersystems.signalservice.api.messages.SendMessageResult result) {
 468         return SendMessageResult.from(result, account.getRecipientResolver(), account.getRecipientAddressResolver());
 469     }
 470
 471     private SendMessageResults sendTypingMessage(
 472             SignalServiceTypingMessage.Action action, Set<RecipientIdentifier> recipients
 473     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 474         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 475         final var timestamp = System.currentTimeMillis();
 476         for (var recipient : recipients) {
 477             if (recipient instanceof RecipientIdentifier.Single single) {
 478                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.empty());
 479                 try {
 480                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 481                     final var result = context.getSendHelper().sendTypingMessage(message, recipientId);
 482                     results.put(recipient, List.of(toSendMessageResult(result)));
 483                 } catch (UnregisteredRecipientException e) {
 484                     results.put(recipient,
 485                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 486                 }
 487             } else if (recipient instanceof RecipientIdentifier.Group) {
 488                 final var groupId = ((RecipientIdentifier.Group) recipient).groupId();
 489                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.of(groupId.serialize()));
 490                 final var result = context.getSendHelper().sendGroupTypingMessage(message, groupId);
 491                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 492             }
 493         }
 494         return new SendMessageResults(timestamp, results);
 495     }
 496
 497     @Override
 498     public SendMessageResults sendTypingMessage(
 499             TypingAction action, Set<RecipientIdentifier> recipients
 500     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 501         return sendTypingMessage(action.toSignalService(), recipients);
 502     }
 503
 504     @Override
 505     public SendMessageResults sendReadReceipt(
 506             RecipientIdentifier.Single sender, List<Long> messageIds
 507     ) {
 508         final var timestamp = System.currentTimeMillis();
 509         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.READ,
 510                 messageIds,
 511                 timestamp);
 512
 513         return sendReceiptMessage(sender, timestamp, receiptMessage);
 514     }
 515
 516     @Override
 517     public SendMessageResults sendViewedReceipt(
 518             RecipientIdentifier.Single sender, List<Long> messageIds
 519     ) {
 520         final var timestamp = System.currentTimeMillis();
 521         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.VIEWED,
 522                 messageIds,
 523                 timestamp);
 524
 525         return sendReceiptMessage(sender, timestamp, receiptMessage);
 526     }
 527
 528     private SendMessageResults sendReceiptMessage(
 529             final RecipientIdentifier.Single sender,
 530             final long timestamp,
 531             final SignalServiceReceiptMessage receiptMessage
 532     ) {
 533         try {
 534             final var result = context.getSendHelper()
 535                     .sendReceiptMessage(receiptMessage, context.getRecipientHelper().resolveRecipient(sender));
 536             return new SendMessageResults(timestamp, Map.of(sender, List.of(toSendMessageResult(result))));
 537         } catch (UnregisteredRecipientException e) {
 538             return new SendMessageResults(timestamp,
 539                     Map.of(sender, List.of(SendMessageResult.unregisteredFailure(sender.toPartialRecipientAddress()))));
 540         }
 541     }
 542
 543     @Override
 544     public SendMessageResults sendMessage(
 545             Message message, Set<RecipientIdentifier> recipients
 546     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 547         final var selfProfile = context.getProfileHelper().getSelfProfile();
 548         if (selfProfile == null || selfProfile.getDisplayName().isEmpty()) {
 549             logger.warn(
 550                     "No profile name set. When sending a message it's recommended to set a profile name with the updateProfile command. This may become mandatory in the future.");
 551         }
 552         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 553         applyMessage(messageBuilder, message);
 554         return sendMessage(messageBuilder, recipients);
 555     }
 556
 557     private void applyMessage(
 558             final SignalServiceDataMessage.Builder messageBuilder, final Message message
 559     ) throws AttachmentInvalidException, IOException, UnregisteredRecipientException, InvalidStickerException {
 560         messageBuilder.withBody(message.messageText());
 561         if (message.attachments().size() > 0) {
 562             messageBuilder.withAttachments(context.getAttachmentHelper().uploadAttachments(message.attachments()));
 563         }
 564         if (message.mentions().size() > 0) {
 565             messageBuilder.withMentions(resolveMentions(message.mentions()));
 566         }
 567         if (message.quote().isPresent()) {
 568             final var quote = message.quote().get();
 569             messageBuilder.withQuote(new SignalServiceDataMessage.Quote(quote.timestamp(),
 570                     context.getRecipientHelper()
 571                             .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(quote.author()))
 572                             .getServiceId(),
 573                     quote.message(),
 574                     List.of(),
 575                     resolveMentions(quote.mentions()),
 576                     SignalServiceDataMessage.Quote.Type.NORMAL));
 577         }
 578         if (message.sticker().isPresent()) {
 579             final var sticker = message.sticker().get();
 580             final var packId = StickerPackId.deserialize(sticker.packId());
 581             final var stickerId = sticker.stickerId();
 582
 583             final var stickerPack = context.getAccount().getStickerStore().getStickerPack(packId);
 584             if (stickerPack == null) {
 585                 throw new InvalidStickerException("Sticker pack not found");
 586             }
 587             final var manifest = context.getStickerHelper().getOrRetrieveStickerPack(packId, stickerPack.packKey());
 588             if (manifest.stickers().size() <= stickerId) {
 589                 throw new InvalidStickerException("Sticker id not part of this pack");
 590             }
 591             final var manifestSticker = manifest.stickers().get(stickerId);
 592             final var streamDetails = context.getStickerPackStore().retrieveSticker(packId, stickerId);
 593             if (streamDetails == null) {
 594                 throw new InvalidStickerException("Missing local sticker file");
 595             }
 596             messageBuilder.withSticker(new SignalServiceDataMessage.Sticker(packId.serialize(),
 597                     stickerPack.packKey(),
 598                     stickerId,
 599                     manifestSticker.emoji(),
 600                     AttachmentUtils.createAttachmentStream(streamDetails, Optional.empty())));
 601         }
 602         if (message.previews().size() > 0) {
 603             final var previews = new ArrayList<SignalServicePreview>(message.previews().size());
 604             for (final var p : message.previews()) {
 605                 final var image = p.image().isPresent() ? context.getAttachmentHelper()
 606                         .uploadAttachment(p.image().get()) : null;
 607                 previews.add(new SignalServicePreview(p.url(),
 608                         p.title(),
 609                         p.description(),
 610                         0,
 611                         Optional.ofNullable(image)));
 612             }
 613             messageBuilder.withPreviews(previews);
 614         }
 615     }
 616
 617     private ArrayList<SignalServiceDataMessage.Mention> resolveMentions(final List<Message.Mention> mentionList) throws UnregisteredRecipientException {
 618         final var mentions = new ArrayList<SignalServiceDataMessage.Mention>();
 619         for (final var m : mentionList) {
 620             final var recipientId = context.getRecipientHelper().resolveRecipient(m.recipient());
 621             mentions.add(new SignalServiceDataMessage.Mention(context.getRecipientHelper()
 622                     .resolveSignalServiceAddress(recipientId)
 623                     .getServiceId(), m.start(), m.length()));
 624         }
 625         return mentions;
 626     }
 627
 628     @Override
 629     public SendMessageResults sendRemoteDeleteMessage(
 630             long targetSentTimestamp, Set<RecipientIdentifier> recipients
 631     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 632         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
 633         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
 634         for (final var recipient : recipients) {
 635             if (recipient instanceof RecipientIdentifier.Single r) {
 636                 try {
 637                     final var recipientId = context.getRecipientHelper().resolveRecipient(r);
 638                     account.getMessageSendLogStore()
 639                             .deleteEntryForRecipientNonGroup(targetSentTimestamp,
 640                                     account.getRecipientAddressResolver()
 641                                             .resolveRecipientAddress(recipientId)
 642                                             .getServiceId());
 643                 } catch (UnregisteredRecipientException ignored) {
 644                 }
 645             } else if (recipient instanceof RecipientIdentifier.Group r) {
 646                 account.getMessageSendLogStore().deleteEntryForGroup(targetSentTimestamp, r.groupId());
 647             }
 648         }
 649         return sendMessage(messageBuilder, recipients);
 650     }
 651
 652     @Override
 653     public SendMessageResults sendMessageReaction(
 654             String emoji,
 655             boolean remove,
 656             RecipientIdentifier.Single targetAuthor,
 657             long targetSentTimestamp,
 658             Set<RecipientIdentifier> recipients
 659     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 660         var targetAuthorRecipientId = context.getRecipientHelper().resolveRecipient(targetAuthor);
 661         var reaction = new SignalServiceDataMessage.Reaction(emoji,
 662                 remove,
 663                 context.getRecipientHelper().resolveSignalServiceAddress(targetAuthorRecipientId).getServiceId(),
 664                 targetSentTimestamp);
 665         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 666         return sendMessage(messageBuilder, recipients);
 667     }
 668
 669     @Override
 670     public SendMessageResults sendPaymentNotificationMessage(
 671             byte[] receipt, String note, RecipientIdentifier.Single recipient
 672     ) throws IOException {
 673         final var paymentNotification = new SignalServiceDataMessage.PaymentNotification(receipt, note);
 674         final var payment = new SignalServiceDataMessage.Payment(paymentNotification);
 675         final var messageBuilder = SignalServiceDataMessage.newBuilder().withPayment(payment);
 676         try {
 677             return sendMessage(messageBuilder, Set.of(recipient));
 678         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 679             throw new AssertionError(e);
 680         }
 681     }
 682
 683     @Override
 684     public SendMessageResults sendEndSessionMessage(Set<RecipientIdentifier.Single> recipients) throws IOException {
 685         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
 686
 687         try {
 688             return sendMessage(messageBuilder,
 689                     recipients.stream().map(RecipientIdentifier.class::cast).collect(Collectors.toSet()));
 690         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 691             throw new AssertionError(e);
 692         } finally {
 693             for (var recipient : recipients) {
 694                 final RecipientId recipientId;
 695                 try {
 696                     recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 697                 } catch (UnregisteredRecipientException e) {
 698                     continue;
 699                 }
 700                 final var serviceId = context.getAccount()
 701                         .getRecipientAddressResolver()
 702                         .resolveRecipientAddress(recipientId)
 703                         .getServiceId();
 704                 account.getAciSessionStore().deleteAllSessions(serviceId);
 705             }
 706         }
 707     }
 708
 709     @Override
 710     public void deleteRecipient(final RecipientIdentifier.Single recipient) {
 711         account.removeRecipient(account.getRecipientResolver().resolveRecipient(recipient.getIdentifier()));
 712     }
 713
 714     @Override
 715     public void deleteContact(final RecipientIdentifier.Single recipient) {
 716         account.getContactStore()
 717                 .deleteContact(account.getRecipientResolver().resolveRecipient(recipient.getIdentifier()));
 718     }
 719
 720     @Override
 721     public void setContactName(
 722             RecipientIdentifier.Single recipient, String givenName, final String familyName
 723     ) throws NotPrimaryDeviceException, UnregisteredRecipientException {
 724         if (!account.isPrimaryDevice()) {
 725             throw new NotPrimaryDeviceException();
 726         }
 727         context.getContactHelper()
 728                 .setContactName(context.getRecipientHelper().resolveRecipient(recipient), givenName, familyName);
 729     }
 730
 731     @Override
 732     public void setContactsBlocked(
 733             Collection<RecipientIdentifier.Single> recipients, boolean blocked
 734     ) throws NotPrimaryDeviceException, IOException, UnregisteredRecipientException {
 735         if (!account.isPrimaryDevice()) {
 736             throw new NotPrimaryDeviceException();
 737         }
 738         if (recipients.size() == 0) {
 739             return;
 740         }
 741         final var recipientIds = context.getRecipientHelper().resolveRecipients(recipients);
 742         final var selfRecipientId = account.getSelfRecipientId();
 743         boolean shouldRotateProfileKey = false;
 744         for (final var recipientId : recipientIds) {
 745             if (context.getContactHelper().isContactBlocked(recipientId) == blocked) {
 746                 continue;
 747             }
 748             context.getContactHelper().setContactBlocked(recipientId, blocked);
 749             // if we don't have a common group with the blocked contact we need to rotate the profile key
 750             shouldRotateProfileKey = blocked && (
 751                     shouldRotateProfileKey || account.getGroupStore()
 752                             .getGroups()
 753                             .stream()
 754                             .noneMatch(g -> g.isMember(selfRecipientId) && g.isMember(recipientId))
 755             );
 756         }
 757         if (shouldRotateProfileKey) {
 758             context.getProfileHelper().rotateProfileKey();
 759         }
 760         context.getSyncHelper().sendBlockedList();
 761     }
 762
 763     @Override
 764     public void setGroupsBlocked(
 765             final Collection<GroupId> groupIds, final boolean blocked
 766     ) throws GroupNotFoundException, NotPrimaryDeviceException, IOException {
 767         if (!account.isPrimaryDevice()) {
 768             throw new NotPrimaryDeviceException();
 769         }
 770         if (groupIds.size() == 0) {
 771             return;
 772         }
 773         boolean shouldRotateProfileKey = false;
 774         for (final var groupId : groupIds) {
 775             if (context.getGroupHelper().isGroupBlocked(groupId) == blocked) {
 776                 continue;
 777             }
 778             context.getGroupHelper().setGroupBlocked(groupId, blocked);
 779             shouldRotateProfileKey = blocked;
 780         }
 781         if (shouldRotateProfileKey) {
 782             context.getProfileHelper().rotateProfileKey();
 783         }
 784         context.getSyncHelper().sendBlockedList();
 785     }
 786
 787     @Override
 788     public void setExpirationTimer(
 789             RecipientIdentifier.Single recipient, int messageExpirationTimer
 790     ) throws IOException, UnregisteredRecipientException {
 791         var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 792         context.getContactHelper().setExpirationTimer(recipientId, messageExpirationTimer);
 793         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
 794         try {
 795             sendMessage(messageBuilder, Set.of(recipient));
 796         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 797             throw new AssertionError(e);
 798         }
 799     }
 800
 801     @Override
 802     public StickerPackUrl uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
 803         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
 804
 805         var messageSender = dependencies.getMessageSender();
 806
 807         var packKey = KeyUtils.createStickerUploadKey();
 808         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
 809         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
 810
 811         var sticker = new StickerPack(packId, packKey);
 812         account.getStickerStore().addStickerPack(sticker);
 813
 814         return new StickerPackUrl(packId, packKey);
 815     }
 816
 817     @Override
 818     public List<org.asamk.signal.manager.api.StickerPack> getStickerPacks() {
 819         final var stickerPackStore = context.getStickerPackStore();
 820         return account.getStickerStore().getStickerPacks().stream().map(pack -> {
 821             if (stickerPackStore.existsStickerPack(pack.packId())) {
 822                 try {
 823                     final var manifest = stickerPackStore.retrieveManifest(pack.packId());
 824                     return new org.asamk.signal.manager.api.StickerPack(pack.packId(),
 825                             new StickerPackUrl(pack.packId(), pack.packKey()),
 826                             pack.isInstalled(),
 827                             manifest.title(),
 828                             manifest.author(),
 829                             Optional.ofNullable(manifest.cover() == null ? null : manifest.cover().toApi()),
 830                             manifest.stickers().stream().map(JsonStickerPack.JsonSticker::toApi).toList());
 831                 } catch (Exception e) {
 832                     logger.warn("Failed to read local sticker pack manifest: {}", e.getMessage(), e);
 833                 }
 834             }
 835
 836             return new org.asamk.signal.manager.api.StickerPack(pack.packId(), pack.packKey(), pack.isInstalled());
 837         }).toList();
 838     }
 839
 840     @Override
 841     public void requestAllSyncData() throws IOException {
 842         context.getSyncHelper().requestAllSyncData();
 843         retrieveRemoteStorage();
 844     }
 845
 846     void retrieveRemoteStorage() throws IOException {
 847         context.getStorageHelper().readDataFromStorage();
 848     }
 849
 850     @Override
 851     public void addReceiveHandler(final ReceiveMessageHandler handler, final boolean isWeakListener) {
 852         if (isReceivingSynchronous) {
 853             throw new IllegalStateException("Already receiving message synchronously.");
 854         }
 855         synchronized (messageHandlers) {
 856             if (isWeakListener) {
 857                 weakHandlers.add(handler);
 858             } else {
 859                 messageHandlers.add(handler);
 860                 startReceiveThreadIfRequired();
 861             }
 862         }
 863     }
 864
 865     private static final AtomicInteger threadNumber = new AtomicInteger(0);
 866
 867     private void startReceiveThreadIfRequired() {
 868         if (receiveThread != null) {
 869             return;
 870         }
 871         receiveThread = new Thread(() -> {
 872             logger.debug("Starting receiving messages");
 873             context.getReceiveHelper().receiveMessagesContinuously((envelope, e) -> {
 874                 synchronized (messageHandlers) {
 875                     final var handlers = Stream.concat(messageHandlers.stream(), weakHandlers.stream()).toList();
 876                     handlers.forEach(h -> {
 877                         try {
 878                             h.handleMessage(envelope, e);
 879                         } catch (Throwable ex) {
 880                             logger.warn("Message handler failed, ignoring", ex);
 881                         }
 882                     });
 883                 }
 884             });
 885             logger.debug("Finished receiving messages");
 886             synchronized (messageHandlers) {
 887                 receiveThread = null;
 888
 889                 // Check if in the meantime another handler has been registered
 890                 if (!messageHandlers.isEmpty()) {
 891                     logger.debug("Another handler has been registered, starting receive thread again");
 892                     startReceiveThreadIfRequired();
 893                 }
 894             }
 895         });
 896         receiveThread.setName("receive-" + threadNumber.getAndIncrement());
 897
 898         receiveThread.start();
 899     }
 900
 901     @Override
 902     public void removeReceiveHandler(final ReceiveMessageHandler handler) {
 903         final Thread thread;
 904         synchronized (messageHandlers) {
 905             weakHandlers.remove(handler);
 906             messageHandlers.remove(handler);
 907             if (!messageHandlers.isEmpty() || receiveThread == null || isReceivingSynchronous) {
 908                 return;
 909             }
 910             thread = receiveThread;
 911             receiveThread = null;
 912         }
 913
 914         stopReceiveThread(thread);
 915     }
 916
 917     private void stopReceiveThread(final Thread thread) {
 918         if (context.getReceiveHelper().requestStopReceiveMessages()) {
 919             logger.debug("Receive stop requested, interrupting read from server.");
 920             thread.interrupt();
 921         }
 922         try {
 923             thread.join();
 924         } catch (InterruptedException ignored) {
 925         }
 926     }
 927
 928     @Override
 929     public boolean isReceiving() {
 930         if (isReceivingSynchronous) {
 931             return true;
 932         }
 933         synchronized (messageHandlers) {
 934             return messageHandlers.size() > 0;
 935         }
 936     }
 937
 938     @Override
 939     public void receiveMessages(Duration timeout, ReceiveMessageHandler handler) throws IOException {
 940         receiveMessages(timeout, true, handler);
 941     }
 942
 943     @Override
 944     public void receiveMessages(ReceiveMessageHandler handler) throws IOException {
 945         receiveMessages(Duration.ofMinutes(1), false, handler);
 946     }
 947
 948     private void receiveMessages(
 949             Duration timeout, boolean returnOnTimeout, ReceiveMessageHandler handler
 950     ) throws IOException {
 951         if (isReceiving()) {
 952             throw new IllegalStateException("Already receiving message.");
 953         }
 954         isReceivingSynchronous = true;
 955         receiveThread = Thread.currentThread();
 956         try {
 957             context.getReceiveHelper().receiveMessages(timeout, returnOnTimeout, handler);
 958         } finally {
 959             receiveThread = null;
 960             isReceivingSynchronous = false;
 961         }
 962     }
 963
 964     @Override
 965     public void setReceiveConfig(final ReceiveConfig receiveConfig) {
 966         context.getReceiveHelper().setReceiveConfig(receiveConfig);
 967     }
 968
 969     @Override
 970     public boolean hasCaughtUpWithOldMessages() {
 971         return context.getReceiveHelper().hasCaughtUpWithOldMessages();
 972     }
 973
 974     @Override
 975     public boolean isContactBlocked(final RecipientIdentifier.Single recipient) {
 976         final RecipientId recipientId;
 977         try {
 978             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 979         } catch (UnregisteredRecipientException e) {
 980             return false;
 981         }
 982         return context.getContactHelper().isContactBlocked(recipientId);
 983     }
 984
 985     @Override
 986     public void sendContacts() throws IOException {
 987         context.getSyncHelper().sendContacts();
 988     }
 989
 990     @Override
 991     public List<Recipient> getRecipients(
 992             boolean onlyContacts,
 993             Optional<Boolean> blocked,
 994             Collection<RecipientIdentifier.Single> recipients,
 995             Optional<String> name
 996     ) {
 997         final var recipientIds = recipients.stream().map(a -> {
 998             try {
 999                 return context.getRecipientHelper().resolveRecipient(a);
1000             } catch (UnregisteredRecipientException e) {
1001                 return null;
1002             }
1003         }).filter(Objects::nonNull).collect(Collectors.toSet());
1004         if (!recipients.isEmpty() && recipientIds.isEmpty()) {
1005             return List.of();
1006         }
1007         // refresh profiles of explicitly given recipients
1008         context.getProfileHelper().refreshRecipientProfiles(recipientIds);
1009         return account.getRecipientStore()
1010                 .getRecipients(onlyContacts, blocked, recipientIds, name)
1011                 .stream()
1012                 .map(s -> new Recipient(s.getRecipientId(),
1013                         s.getAddress().toApiRecipientAddress(),
1014                         s.getContact(),
1015                         s.getProfileKey(),
1016                         s.getExpiringProfileKeyCredential(),
1017                         s.getProfile()))
1018                 .toList();
1019     }
1020
1021     @Override
1022     public String getContactOrProfileName(RecipientIdentifier.Single recipient) {
1023         final RecipientId recipientId;
1024         try {
1025             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1026         } catch (UnregisteredRecipientException e) {
1027             return null;
1028         }
1029
1030         final var contact = account.getContactStore().getContact(recipientId);
1031         if (contact != null && !Util.isEmpty(contact.getName())) {
1032             return contact.getName();
1033         }
1034
1035         final var profile = context.getProfileHelper().getRecipientProfile(recipientId);
1036         if (profile != null) {
1037             return profile.getDisplayName();
1038         }
1039
1040         return null;
1041     }
1042
1043     @Override
1044     public Group getGroup(GroupId groupId) {
1045         return toGroup(context.getGroupHelper().getGroup(groupId));
1046     }
1047
1048     @Override
1049     public List<Identity> getIdentities() {
1050         return account.getIdentityKeyStore().getIdentities().stream().map(this::toIdentity).toList();
1051     }
1052
1053     private Identity toIdentity(final IdentityInfo identityInfo) {
1054         if (identityInfo == null) {
1055             return null;
1056         }
1057
1058         final var address = account.getRecipientAddressResolver()
1059                 .resolveRecipientAddress(account.getRecipientResolver().resolveRecipient(identityInfo.getServiceId()));
1060         final var scannableFingerprint = context.getIdentityHelper()
1061                 .computeSafetyNumberForScanning(identityInfo.getServiceId(), identityInfo.getIdentityKey());
1062         return new Identity(address.toApiRecipientAddress(),
1063                 identityInfo.getIdentityKey(),
1064                 context.getIdentityHelper()
1065                         .computeSafetyNumber(identityInfo.getServiceId(), identityInfo.getIdentityKey()),
1066                 scannableFingerprint == null ? null : scannableFingerprint.getSerialized(),
1067                 identityInfo.getTrustLevel(),
1068                 identityInfo.getDateAddedTimestamp());
1069     }
1070
1071     @Override
1072     public List<Identity> getIdentities(RecipientIdentifier.Single recipient) {
1073         ServiceId serviceId;
1074         try {
1075             serviceId = account.getRecipientAddressResolver()
1076                     .resolveRecipientAddress(context.getRecipientHelper().resolveRecipient(recipient))
1077                     .getServiceId();
1078         } catch (UnregisteredRecipientException e) {
1079             return List.of();
1080         }
1081         final var identity = account.getIdentityKeyStore().getIdentityInfo(serviceId);
1082         return identity == null ? List.of() : List.of(toIdentity(identity));
1083     }
1084
1085     @Override
1086     public boolean trustIdentityVerified(
1087             RecipientIdentifier.Single recipient, byte[] fingerprint
1088     ) throws UnregisteredRecipientException {
1089         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityVerified(r, fingerprint));
1090     }
1091
1092     @Override
1093     public boolean trustIdentityVerifiedSafetyNumber(
1094             RecipientIdentifier.Single recipient, String safetyNumber
1095     ) throws UnregisteredRecipientException {
1096         return trustIdentity(recipient,
1097                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
1098     }
1099
1100     @Override
1101     public boolean trustIdentityVerifiedSafetyNumber(
1102             RecipientIdentifier.Single recipient, byte[] safetyNumber
1103     ) throws UnregisteredRecipientException {
1104         return trustIdentity(recipient,
1105                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
1106     }
1107
1108     @Override
1109     public boolean trustIdentityAllKeys(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
1110         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityAllKeys(r));
1111     }
1112
1113     private boolean trustIdentity(
1114             RecipientIdentifier.Single recipient, Function<RecipientId, Boolean> trustMethod
1115     ) throws UnregisteredRecipientException {
1116         final var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1117         final var updated = trustMethod.apply(recipientId);
1118         if (updated && this.isReceiving()) {
1119             context.getReceiveHelper().setNeedsToRetryFailedMessages(true);
1120         }
1121         return updated;
1122     }
1123
1124     @Override
1125     public void addAddressChangedListener(final Runnable listener) {
1126         synchronized (addressChangedListeners) {
1127             addressChangedListeners.add(listener);
1128         }
1129     }
1130
1131     @Override
1132     public void addClosedListener(final Runnable listener) {
1133         synchronized (closedListeners) {
1134             closedListeners.add(listener);
1135         }
1136     }
1137
1138     @Override
1139     public void close() {
1140         Thread thread;
1141         synchronized (messageHandlers) {
1142             weakHandlers.clear();
1143             messageHandlers.clear();
1144             thread = receiveThread;
1145             receiveThread = null;
1146         }
1147         if (thread != null) {
1148             stopReceiveThread(thread);
1149         }
1150         executor.shutdown();
1151
1152         dependencies.getSignalWebSocket().disconnect();
1153         disposable.dispose();
1154
1155         if (account != null) {
1156             account.close();
1157         }
1158
1159         synchronized (closedListeners) {
1160             closedListeners.forEach(Runnable::run);
1161             closedListeners.clear();
1162         }
1163
1164         account = null;
1165     }
1166 }