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.MimeUtils;
  65 import org.asamk.signal.manager.util.StickerUtils;
  66 import org.slf4j.Logger;
  67 import org.slf4j.LoggerFactory;
  68 import org.whispersystems.signalservice.api.SignalSessionLock;
  69 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
  70 import org.whispersystems.signalservice.api.messages.SignalServicePreview;
  71 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
  72 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
  73 import org.whispersystems.signalservice.api.push.ACI;
  74 import org.whispersystems.signalservice.api.push.ServiceId;
  75 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  76 import org.whispersystems.signalservice.api.util.InvalidNumberException;
  77 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  78 import org.whispersystems.signalservice.api.util.StreamDetails;
  79 import org.whispersystems.signalservice.internal.util.Hex;
  80 import org.whispersystems.signalservice.internal.util.Util;
  81
  82 import java.io.ByteArrayInputStream;
  83 import java.io.File;
  84 import java.io.IOException;
  85 import java.net.URI;
  86 import java.nio.charset.StandardCharsets;
  87 import java.time.Duration;
  88 import java.util.ArrayList;
  89 import java.util.Collection;
  90 import java.util.HashMap;
  91 import java.util.HashSet;
  92 import java.util.List;
  93 import java.util.Map;
  94 import java.util.Objects;
  95 import java.util.Optional;
  96 import java.util.Set;
  97 import java.util.concurrent.ExecutorService;
  98 import java.util.concurrent.Executors;
  99 import java.util.concurrent.atomic.AtomicInteger;
 100 import java.util.concurrent.locks.ReentrantLock;
 101 import java.util.function.Function;
 102 import java.util.stream.Collectors;
 103 import java.util.stream.Stream;
 104
 105 import io.reactivex.rxjava3.disposables.CompositeDisposable;
 106
 107 class ManagerImpl implements Manager {
 108
 109     private final static Logger logger = LoggerFactory.getLogger(ManagerImpl.class);
 110
 111     private SignalAccount account;
 112     private final SignalDependencies dependencies;
 113     private final Context context;
 114
 115     private final ExecutorService executor = Executors.newCachedThreadPool();
 116
 117     private Thread receiveThread;
 118     private boolean isReceivingSynchronous;
 119     private final Set<ReceiveMessageHandler> weakHandlers = new HashSet<>();
 120     private final Set<ReceiveMessageHandler> messageHandlers = new HashSet<>();
 121     private final List<Runnable> closedListeners = new ArrayList<>();
 122     private final List<Runnable> addressChangedListeners = new ArrayList<>();
 123     private final CompositeDisposable disposable = new CompositeDisposable();
 124
 125     ManagerImpl(
 126             SignalAccount account,
 127             PathConfig pathConfig,
 128             AccountFileUpdater accountFileUpdater,
 129             ServiceEnvironmentConfig serviceEnvironmentConfig,
 130             String userAgent
 131     ) {
 132         this.account = account;
 133
 134         final var sessionLock = new SignalSessionLock() {
 135             private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 136
 137             @Override
 138             public Lock acquire() {
 139                 LEGACY_LOCK.lock();
 140                 return LEGACY_LOCK::unlock;
 141             }
 142         };
 143         this.dependencies = new SignalDependencies(serviceEnvironmentConfig,
 144                 userAgent,
 145                 account.getCredentialsProvider(),
 146                 account.getSignalServiceDataStore(),
 147                 executor,
 148                 sessionLock);
 149         final var avatarStore = new AvatarStore(pathConfig.avatarsPath());
 150         final var attachmentStore = new AttachmentStore(pathConfig.attachmentsPath());
 151         final var stickerPackStore = new StickerPackStore(pathConfig.stickerPacksPath());
 152
 153         this.context = new Context(account, new AccountFileUpdater() {
 154             @Override
 155             public void updateAccountIdentifiers(final String number, final ACI aci) {
 156                 accountFileUpdater.updateAccountIdentifiers(number, aci);
 157                 synchronized (addressChangedListeners) {
 158                     addressChangedListeners.forEach(Runnable::run);
 159                 }
 160             }
 161
 162             @Override
 163             public void removeAccount() {
 164                 accountFileUpdater.removeAccount();
 165             }
 166         }, dependencies, avatarStore, attachmentStore, stickerPackStore);
 167         this.context.getAccountHelper().setUnregisteredListener(this::close);
 168         this.context.getReceiveHelper().setAuthenticationFailureListener(this::close);
 169         this.context.getReceiveHelper().setCaughtUpWithOldMessagesListener(() -> {
 170             synchronized (this) {
 171                 this.notifyAll();
 172             }
 173         });
 174         disposable.add(account.getIdentityKeyStore().getIdentityChanges().subscribe(serviceId -> {
 175             logger.trace("Archiving old sessions for {}", serviceId);
 176             account.getAciSessionStore().archiveSessions(serviceId);
 177             account.getPniSessionStore().archiveSessions(serviceId);
 178             account.getSenderKeyStore().deleteSharedWith(serviceId);
 179             final var recipientId = account.getRecipientResolver().resolveRecipient(serviceId);
 180             final var profile = account.getProfileStore().getProfile(recipientId);
 181             if (profile != null) {
 182                 account.getProfileStore()
 183                         .storeProfile(recipientId,
 184                                 Profile.newBuilder(profile)
 185                                         .withUnidentifiedAccessMode(Profile.UnidentifiedAccessMode.UNKNOWN)
 186                                         .withLastUpdateTimestamp(0)
 187                                         .build());
 188             }
 189         }));
 190     }
 191
 192     @Override
 193     public String getSelfNumber() {
 194         return account.getNumber();
 195     }
 196
 197     void checkAccountState() throws IOException {
 198         context.getAccountHelper().checkAccountState();
 199     }
 200
 201     @Override
 202     public Map<String, UserStatus> getUserStatus(Set<String> numbers) throws IOException {
 203         final var canonicalizedNumbers = numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 204             try {
 205                 final var canonicalizedNumber = PhoneNumberFormatter.formatNumber(n, account.getNumber());
 206                 if (!canonicalizedNumber.equals(n)) {
 207                     logger.debug("Normalized number {} to {}.", n, canonicalizedNumber);
 208                 }
 209                 return canonicalizedNumber;
 210             } catch (InvalidNumberException e) {
 211                 return "";
 212             }
 213         }));
 214
 215         // Note "registeredUsers" has no optionals. It only gives us info on users who are registered
 216         final var canonicalizedNumbersSet = canonicalizedNumbers.values()
 217                 .stream()
 218                 .filter(s -> !s.isEmpty())
 219                 .collect(Collectors.toSet());
 220         final var registeredUsers = context.getRecipientHelper().getRegisteredUsers(canonicalizedNumbersSet);
 221
 222         return numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 223             final var number = canonicalizedNumbers.get(n);
 224             final var user = registeredUsers.get(number);
 225             final var serviceId = user == null ? null : user.getServiceId();
 226             final var profile = serviceId == null
 227                     ? null
 228                     : context.getProfileHelper()
 229                             .getRecipientProfile(account.getRecipientResolver().resolveRecipient(serviceId));
 230             return new UserStatus(number.isEmpty() ? null : number,
 231                     serviceId == null ? null : serviceId.uuid(),
 232                     profile != null
 233                             && profile.getUnidentifiedAccessMode() == Profile.UnidentifiedAccessMode.UNRESTRICTED);
 234         }));
 235     }
 236
 237     @Override
 238     public void updateAccountAttributes(String deviceName) throws IOException {
 239         if (deviceName != null) {
 240             context.getAccountHelper().setDeviceName(deviceName);
 241         }
 242         context.getAccountHelper().updateAccountAttributes();
 243         context.getAccountHelper().checkWhoAmiI();
 244     }
 245
 246     @Override
 247     public Configuration getConfiguration() {
 248         final var configurationStore = account.getConfigurationStore();
 249         return Configuration.from(configurationStore);
 250     }
 251
 252     @Override
 253     public void updateConfiguration(
 254             Configuration configuration
 255     ) throws NotPrimaryDeviceException {
 256         if (!account.isPrimaryDevice()) {
 257             throw new NotPrimaryDeviceException();
 258         }
 259
 260         final var configurationStore = account.getConfigurationStore();
 261         if (configuration.readReceipts().isPresent()) {
 262             configurationStore.setReadReceipts(configuration.readReceipts().get());
 263         }
 264         if (configuration.unidentifiedDeliveryIndicators().isPresent()) {
 265             configurationStore.setUnidentifiedDeliveryIndicators(configuration.unidentifiedDeliveryIndicators().get());
 266         }
 267         if (configuration.typingIndicators().isPresent()) {
 268             configurationStore.setTypingIndicators(configuration.typingIndicators().get());
 269         }
 270         if (configuration.linkPreviews().isPresent()) {
 271             configurationStore.setLinkPreviews(configuration.linkPreviews().get());
 272         }
 273         context.getSyncHelper().sendConfigurationMessage();
 274     }
 275
 276     @Override
 277     public void updateProfile(UpdateProfile updateProfile) throws IOException {
 278         context.getProfileHelper()
 279                 .setProfile(updateProfile.getGivenName(),
 280                         updateProfile.getFamilyName(),
 281                         updateProfile.getAbout(),
 282                         updateProfile.getAboutEmoji(),
 283                         updateProfile.isDeleteAvatar()
 284                                 ? Optional.empty()
 285                                 : updateProfile.getAvatar() == null ? null : Optional.of(updateProfile.getAvatar()),
 286                         updateProfile.getMobileCoinAddress());
 287         context.getSyncHelper().sendSyncFetchProfileMessage();
 288     }
 289
 290     @Override
 291     public void unregister() throws IOException {
 292         context.getAccountHelper().unregister();
 293     }
 294
 295     @Override
 296     public void deleteAccount() throws IOException {
 297         context.getAccountHelper().deleteAccount();
 298     }
 299
 300     @Override
 301     public void submitRateLimitRecaptchaChallenge(String challenge, String captcha) throws IOException {
 302         captcha = captcha == null ? null : captcha.replace("signalcaptcha://", "");
 303
 304         dependencies.getAccountManager().submitRateLimitRecaptchaChallenge(challenge, captcha);
 305     }
 306
 307     @Override
 308     public List<Device> getLinkedDevices() throws IOException {
 309         var devices = dependencies.getAccountManager().getDevices();
 310         account.setMultiDevice(devices.size() > 1);
 311         var identityKey = account.getAciIdentityKeyPair().getPrivateKey();
 312         return devices.stream().map(d -> {
 313             String deviceName = d.getName();
 314             if (deviceName != null) {
 315                 try {
 316                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 317                 } catch (IOException e) {
 318                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 319                 }
 320             }
 321             return new Device(d.getId(),
 322                     deviceName,
 323                     d.getCreated(),
 324                     d.getLastSeen(),
 325                     d.getId() == account.getDeviceId());
 326         }).toList();
 327     }
 328
 329     @Override
 330     public void removeLinkedDevices(int deviceId) throws IOException {
 331         context.getAccountHelper().removeLinkedDevices(deviceId);
 332     }
 333
 334     @Override
 335     public void addDeviceLink(URI linkUri) throws IOException, InvalidDeviceLinkException {
 336         var deviceLinkInfo = DeviceLinkInfo.parseDeviceLinkUri(linkUri);
 337         context.getAccountHelper().addDevice(deviceLinkInfo);
 338     }
 339
 340     @Override
 341     public void setRegistrationLockPin(Optional<String> pin) throws IOException, NotPrimaryDeviceException {
 342         if (!account.isPrimaryDevice()) {
 343             throw new NotPrimaryDeviceException();
 344         }
 345         if (pin.isPresent()) {
 346             context.getAccountHelper().setRegistrationPin(pin.get());
 347         } else {
 348             context.getAccountHelper().removeRegistrationPin();
 349         }
 350     }
 351
 352     void refreshPreKeys() throws IOException {
 353         context.getPreKeyHelper().refreshPreKeys();
 354     }
 355
 356     @Override
 357     public Profile getRecipientProfile(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
 358         return context.getProfileHelper().getRecipientProfile(context.getRecipientHelper().resolveRecipient(recipient));
 359     }
 360
 361     @Override
 362     public List<Group> getGroups() {
 363         return account.getGroupStore().getGroups().stream().map(this::toGroup).toList();
 364     }
 365
 366     private Group toGroup(final GroupInfo groupInfo) {
 367         if (groupInfo == null) {
 368             return null;
 369         }
 370
 371         return Group.from(groupInfo, account.getRecipientAddressResolver(), account.getSelfRecipientId());
 372     }
 373
 374     @Override
 375     public SendGroupMessageResults quitGroup(
 376             GroupId groupId, Set<RecipientIdentifier.Single> groupAdmins
 377     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, LastGroupAdminException, UnregisteredRecipientException {
 378         final var newAdmins = context.getRecipientHelper().resolveRecipients(groupAdmins);
 379         return context.getGroupHelper().quitGroup(groupId, newAdmins);
 380     }
 381
 382     @Override
 383     public void deleteGroup(GroupId groupId) throws IOException {
 384         final var group = context.getGroupHelper().getGroup(groupId);
 385         if (group.isMember(account.getSelfRecipientId())) {
 386             throw new IOException(
 387                     "The local group information cannot be removed, as the user is still a member of the group");
 388         }
 389         context.getGroupHelper().deleteGroup(groupId);
 390     }
 391
 392     @Override
 393     public Pair<GroupId, SendGroupMessageResults> createGroup(
 394             String name, Set<RecipientIdentifier.Single> members, File avatarFile
 395     ) throws IOException, AttachmentInvalidException, UnregisteredRecipientException {
 396         return context.getGroupHelper()
 397                 .createGroup(name,
 398                         members == null ? null : context.getRecipientHelper().resolveRecipients(members),
 399                         avatarFile);
 400     }
 401
 402     @Override
 403     public SendGroupMessageResults updateGroup(
 404             final GroupId groupId, final UpdateGroup updateGroup
 405     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 406         return context.getGroupHelper()
 407                 .updateGroup(groupId,
 408                         updateGroup.getName(),
 409                         updateGroup.getDescription(),
 410                         updateGroup.getMembers() == null
 411                                 ? null
 412                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getMembers()),
 413                         updateGroup.getRemoveMembers() == null
 414                                 ? null
 415                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveMembers()),
 416                         updateGroup.getAdmins() == null
 417                                 ? null
 418                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getAdmins()),
 419                         updateGroup.getRemoveAdmins() == null
 420                                 ? null
 421                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveAdmins()),
 422                         updateGroup.getBanMembers() == null
 423                                 ? null
 424                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getBanMembers()),
 425                         updateGroup.getUnbanMembers() == null
 426                                 ? null
 427                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getUnbanMembers()),
 428                         updateGroup.isResetGroupLink(),
 429                         updateGroup.getGroupLinkState(),
 430                         updateGroup.getAddMemberPermission(),
 431                         updateGroup.getEditDetailsPermission(),
 432                         updateGroup.getAvatarFile(),
 433                         updateGroup.getExpirationTimer(),
 434                         updateGroup.getIsAnnouncementGroup());
 435     }
 436
 437     @Override
 438     public Pair<GroupId, SendGroupMessageResults> joinGroup(
 439             GroupInviteLinkUrl inviteLinkUrl
 440     ) throws IOException, InactiveGroupLinkException, PendingAdminApprovalException {
 441         return context.getGroupHelper().joinGroup(inviteLinkUrl);
 442     }
 443
 444     private SendMessageResults sendMessage(
 445             SignalServiceDataMessage.Builder messageBuilder, Set<RecipientIdentifier> recipients
 446     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 447         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 448         long timestamp = System.currentTimeMillis();
 449         messageBuilder.withTimestamp(timestamp);
 450         for (final var recipient : recipients) {
 451             if (recipient instanceof RecipientIdentifier.Single single) {
 452                 try {
 453                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 454                     final var result = context.getSendHelper().sendMessage(messageBuilder, recipientId);
 455                     results.put(recipient, List.of(toSendMessageResult(result)));
 456                 } catch (UnregisteredRecipientException e) {
 457                     results.put(recipient,
 458                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 459                 }
 460             } else if (recipient instanceof RecipientIdentifier.NoteToSelf) {
 461                 final var result = context.getSendHelper().sendSelfMessage(messageBuilder);
 462                 results.put(recipient, List.of(toSendMessageResult(result)));
 463             } else if (recipient instanceof RecipientIdentifier.Group group) {
 464                 final var result = context.getSendHelper().sendAsGroupMessage(messageBuilder, group.groupId());
 465                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 466             }
 467         }
 468         return new SendMessageResults(timestamp, results);
 469     }
 470
 471     private SendMessageResult toSendMessageResult(final org.whispersystems.signalservice.api.messages.SendMessageResult result) {
 472         return SendMessageResult.from(result, account.getRecipientResolver(), account.getRecipientAddressResolver());
 473     }
 474
 475     private SendMessageResults sendTypingMessage(
 476             SignalServiceTypingMessage.Action action, Set<RecipientIdentifier> recipients
 477     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 478         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 479         final var timestamp = System.currentTimeMillis();
 480         for (var recipient : recipients) {
 481             if (recipient instanceof RecipientIdentifier.Single single) {
 482                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.empty());
 483                 try {
 484                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 485                     final var result = context.getSendHelper().sendTypingMessage(message, recipientId);
 486                     results.put(recipient, List.of(toSendMessageResult(result)));
 487                 } catch (UnregisteredRecipientException e) {
 488                     results.put(recipient,
 489                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 490                 }
 491             } else if (recipient instanceof RecipientIdentifier.Group) {
 492                 final var groupId = ((RecipientIdentifier.Group) recipient).groupId();
 493                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.of(groupId.serialize()));
 494                 final var result = context.getSendHelper().sendGroupTypingMessage(message, groupId);
 495                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 496             }
 497         }
 498         return new SendMessageResults(timestamp, results);
 499     }
 500
 501     @Override
 502     public SendMessageResults sendTypingMessage(
 503             TypingAction action, Set<RecipientIdentifier> recipients
 504     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 505         return sendTypingMessage(action.toSignalService(), recipients);
 506     }
 507
 508     @Override
 509     public SendMessageResults sendReadReceipt(
 510             RecipientIdentifier.Single sender, List<Long> messageIds
 511     ) {
 512         final var timestamp = System.currentTimeMillis();
 513         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.READ,
 514                 messageIds,
 515                 timestamp);
 516
 517         return sendReceiptMessage(sender, timestamp, receiptMessage);
 518     }
 519
 520     @Override
 521     public SendMessageResults sendViewedReceipt(
 522             RecipientIdentifier.Single sender, List<Long> messageIds
 523     ) {
 524         final var timestamp = System.currentTimeMillis();
 525         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.VIEWED,
 526                 messageIds,
 527                 timestamp);
 528
 529         return sendReceiptMessage(sender, timestamp, receiptMessage);
 530     }
 531
 532     private SendMessageResults sendReceiptMessage(
 533             final RecipientIdentifier.Single sender,
 534             final long timestamp,
 535             final SignalServiceReceiptMessage receiptMessage
 536     ) {
 537         try {
 538             final var result = context.getSendHelper()
 539                     .sendReceiptMessage(receiptMessage, context.getRecipientHelper().resolveRecipient(sender));
 540             return new SendMessageResults(timestamp, Map.of(sender, List.of(toSendMessageResult(result))));
 541         } catch (UnregisteredRecipientException e) {
 542             return new SendMessageResults(timestamp,
 543                     Map.of(sender, List.of(SendMessageResult.unregisteredFailure(sender.toPartialRecipientAddress()))));
 544         }
 545     }
 546
 547     @Override
 548     public SendMessageResults sendMessage(
 549             Message message, Set<RecipientIdentifier> recipients
 550     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 551         final var selfProfile = context.getProfileHelper().getSelfProfile();
 552         if (selfProfile == null || selfProfile.getDisplayName().isEmpty()) {
 553             logger.warn(
 554                     "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.");
 555         }
 556         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 557         applyMessage(messageBuilder, message);
 558         return sendMessage(messageBuilder, recipients);
 559     }
 560
 561     private void applyMessage(
 562             final SignalServiceDataMessage.Builder messageBuilder, final Message message
 563     ) throws AttachmentInvalidException, IOException, UnregisteredRecipientException, InvalidStickerException {
 564         if (message.messageText().length() > 2000) {
 565             final var messageBytes = message.messageText().getBytes(StandardCharsets.UTF_8);
 566             final var textAttachment = AttachmentUtils.createAttachmentStream(new StreamDetails(new ByteArrayInputStream(
 567                     messageBytes), MimeUtils.LONG_TEXT, messageBytes.length), Optional.empty());
 568             messageBuilder.withBody(message.messageText().substring(0, 2000));
 569             messageBuilder.withAttachment(textAttachment);
 570         } else {
 571             messageBuilder.withBody(message.messageText());
 572         }
 573         if (message.attachments().size() > 0) {
 574             messageBuilder.withAttachments(context.getAttachmentHelper().uploadAttachments(message.attachments()));
 575         }
 576         if (message.mentions().size() > 0) {
 577             messageBuilder.withMentions(resolveMentions(message.mentions()));
 578         }
 579         if (message.quote().isPresent()) {
 580             final var quote = message.quote().get();
 581             messageBuilder.withQuote(new SignalServiceDataMessage.Quote(quote.timestamp(),
 582                     context.getRecipientHelper()
 583                             .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(quote.author()))
 584                             .getServiceId(),
 585                     quote.message(),
 586                     List.of(),
 587                     resolveMentions(quote.mentions()),
 588                     SignalServiceDataMessage.Quote.Type.NORMAL));
 589         }
 590         if (message.sticker().isPresent()) {
 591             final var sticker = message.sticker().get();
 592             final var packId = StickerPackId.deserialize(sticker.packId());
 593             final var stickerId = sticker.stickerId();
 594
 595             final var stickerPack = context.getAccount().getStickerStore().getStickerPack(packId);
 596             if (stickerPack == null) {
 597                 throw new InvalidStickerException("Sticker pack not found");
 598             }
 599             final var manifest = context.getStickerHelper().getOrRetrieveStickerPack(packId, stickerPack.packKey());
 600             if (manifest.stickers().size() <= stickerId) {
 601                 throw new InvalidStickerException("Sticker id not part of this pack");
 602             }
 603             final var manifestSticker = manifest.stickers().get(stickerId);
 604             final var streamDetails = context.getStickerPackStore().retrieveSticker(packId, stickerId);
 605             if (streamDetails == null) {
 606                 throw new InvalidStickerException("Missing local sticker file");
 607             }
 608             messageBuilder.withSticker(new SignalServiceDataMessage.Sticker(packId.serialize(),
 609                     stickerPack.packKey(),
 610                     stickerId,
 611                     manifestSticker.emoji(),
 612                     AttachmentUtils.createAttachmentStream(streamDetails, Optional.empty())));
 613         }
 614         if (message.previews().size() > 0) {
 615             final var previews = new ArrayList<SignalServicePreview>(message.previews().size());
 616             for (final var p : message.previews()) {
 617                 final var image = p.image().isPresent() ? context.getAttachmentHelper()
 618                         .uploadAttachment(p.image().get()) : null;
 619                 previews.add(new SignalServicePreview(p.url(),
 620                         p.title(),
 621                         p.description(),
 622                         0,
 623                         Optional.ofNullable(image)));
 624             }
 625             messageBuilder.withPreviews(previews);
 626         }
 627         if (message.storyReply().isPresent()) {
 628             final var storyReply = message.storyReply().get();
 629             final var authorServiceId = context.getRecipientHelper()
 630                     .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(storyReply.author()))
 631                     .getServiceId();
 632             messageBuilder.withStoryContext(new SignalServiceDataMessage.StoryContext(authorServiceId,
 633                     storyReply.timestamp()));
 634         }
 635     }
 636
 637     private ArrayList<SignalServiceDataMessage.Mention> resolveMentions(final List<Message.Mention> mentionList) throws UnregisteredRecipientException {
 638         final var mentions = new ArrayList<SignalServiceDataMessage.Mention>();
 639         for (final var m : mentionList) {
 640             final var recipientId = context.getRecipientHelper().resolveRecipient(m.recipient());
 641             mentions.add(new SignalServiceDataMessage.Mention(context.getRecipientHelper()
 642                     .resolveSignalServiceAddress(recipientId)
 643                     .getServiceId(), m.start(), m.length()));
 644         }
 645         return mentions;
 646     }
 647
 648     @Override
 649     public SendMessageResults sendRemoteDeleteMessage(
 650             long targetSentTimestamp, Set<RecipientIdentifier> recipients
 651     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 652         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
 653         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
 654         for (final var recipient : recipients) {
 655             if (recipient instanceof RecipientIdentifier.Single r) {
 656                 try {
 657                     final var recipientId = context.getRecipientHelper().resolveRecipient(r);
 658                     account.getMessageSendLogStore()
 659                             .deleteEntryForRecipientNonGroup(targetSentTimestamp,
 660                                     account.getRecipientAddressResolver()
 661                                             .resolveRecipientAddress(recipientId)
 662                                             .getServiceId());
 663                 } catch (UnregisteredRecipientException ignored) {
 664                 }
 665             } else if (recipient instanceof RecipientIdentifier.Group r) {
 666                 account.getMessageSendLogStore().deleteEntryForGroup(targetSentTimestamp, r.groupId());
 667             }
 668         }
 669         return sendMessage(messageBuilder, recipients);
 670     }
 671
 672     @Override
 673     public SendMessageResults sendMessageReaction(
 674             String emoji,
 675             boolean remove,
 676             RecipientIdentifier.Single targetAuthor,
 677             long targetSentTimestamp,
 678             Set<RecipientIdentifier> recipients,
 679             final boolean isStory
 680     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 681         var targetAuthorRecipientId = context.getRecipientHelper().resolveRecipient(targetAuthor);
 682         final var authorServiceId = context.getRecipientHelper()
 683                 .resolveSignalServiceAddress(targetAuthorRecipientId)
 684                 .getServiceId();
 685         var reaction = new SignalServiceDataMessage.Reaction(emoji, remove, authorServiceId, targetSentTimestamp);
 686         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 687         if (isStory) {
 688             messageBuilder.withStoryContext(new SignalServiceDataMessage.StoryContext(authorServiceId,
 689                     targetSentTimestamp));
 690         }
 691         return sendMessage(messageBuilder, recipients);
 692     }
 693
 694     @Override
 695     public SendMessageResults sendPaymentNotificationMessage(
 696             byte[] receipt, String note, RecipientIdentifier.Single recipient
 697     ) throws IOException {
 698         final var paymentNotification = new SignalServiceDataMessage.PaymentNotification(receipt, note);
 699         final var payment = new SignalServiceDataMessage.Payment(paymentNotification);
 700         final var messageBuilder = SignalServiceDataMessage.newBuilder().withPayment(payment);
 701         try {
 702             return sendMessage(messageBuilder, Set.of(recipient));
 703         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 704             throw new AssertionError(e);
 705         }
 706     }
 707
 708     @Override
 709     public SendMessageResults sendEndSessionMessage(Set<RecipientIdentifier.Single> recipients) throws IOException {
 710         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
 711
 712         try {
 713             return sendMessage(messageBuilder,
 714                     recipients.stream().map(RecipientIdentifier.class::cast).collect(Collectors.toSet()));
 715         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 716             throw new AssertionError(e);
 717         } finally {
 718             for (var recipient : recipients) {
 719                 final RecipientId recipientId;
 720                 try {
 721                     recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 722                 } catch (UnregisteredRecipientException e) {
 723                     continue;
 724                 }
 725                 final var serviceId = context.getAccount()
 726                         .getRecipientAddressResolver()
 727                         .resolveRecipientAddress(recipientId)
 728                         .getServiceId();
 729                 account.getAciSessionStore().deleteAllSessions(serviceId);
 730             }
 731         }
 732     }
 733
 734     @Override
 735     public void deleteRecipient(final RecipientIdentifier.Single recipient) {
 736         account.removeRecipient(account.getRecipientResolver().resolveRecipient(recipient.getIdentifier()));
 737     }
 738
 739     @Override
 740     public void deleteContact(final RecipientIdentifier.Single recipient) {
 741         account.getContactStore()
 742                 .deleteContact(account.getRecipientResolver().resolveRecipient(recipient.getIdentifier()));
 743     }
 744
 745     @Override
 746     public void setContactName(
 747             RecipientIdentifier.Single recipient, String givenName, final String familyName
 748     ) throws NotPrimaryDeviceException, UnregisteredRecipientException {
 749         if (!account.isPrimaryDevice()) {
 750             throw new NotPrimaryDeviceException();
 751         }
 752         context.getContactHelper()
 753                 .setContactName(context.getRecipientHelper().resolveRecipient(recipient), givenName, familyName);
 754     }
 755
 756     @Override
 757     public void setContactsBlocked(
 758             Collection<RecipientIdentifier.Single> recipients, boolean blocked
 759     ) throws NotPrimaryDeviceException, IOException, UnregisteredRecipientException {
 760         if (!account.isPrimaryDevice()) {
 761             throw new NotPrimaryDeviceException();
 762         }
 763         if (recipients.size() == 0) {
 764             return;
 765         }
 766         final var recipientIds = context.getRecipientHelper().resolveRecipients(recipients);
 767         final var selfRecipientId = account.getSelfRecipientId();
 768         boolean shouldRotateProfileKey = false;
 769         for (final var recipientId : recipientIds) {
 770             if (context.getContactHelper().isContactBlocked(recipientId) == blocked) {
 771                 continue;
 772             }
 773             context.getContactHelper().setContactBlocked(recipientId, blocked);
 774             // if we don't have a common group with the blocked contact we need to rotate the profile key
 775             shouldRotateProfileKey = blocked && (
 776                     shouldRotateProfileKey || account.getGroupStore()
 777                             .getGroups()
 778                             .stream()
 779                             .noneMatch(g -> g.isMember(selfRecipientId) && g.isMember(recipientId))
 780             );
 781         }
 782         if (shouldRotateProfileKey) {
 783             context.getProfileHelper().rotateProfileKey();
 784         }
 785         context.getSyncHelper().sendBlockedList();
 786     }
 787
 788     @Override
 789     public void setGroupsBlocked(
 790             final Collection<GroupId> groupIds, final boolean blocked
 791     ) throws GroupNotFoundException, NotPrimaryDeviceException, IOException {
 792         if (!account.isPrimaryDevice()) {
 793             throw new NotPrimaryDeviceException();
 794         }
 795         if (groupIds.size() == 0) {
 796             return;
 797         }
 798         boolean shouldRotateProfileKey = false;
 799         for (final var groupId : groupIds) {
 800             if (context.getGroupHelper().isGroupBlocked(groupId) == blocked) {
 801                 continue;
 802             }
 803             context.getGroupHelper().setGroupBlocked(groupId, blocked);
 804             shouldRotateProfileKey = blocked;
 805         }
 806         if (shouldRotateProfileKey) {
 807             context.getProfileHelper().rotateProfileKey();
 808         }
 809         context.getSyncHelper().sendBlockedList();
 810     }
 811
 812     @Override
 813     public void setExpirationTimer(
 814             RecipientIdentifier.Single recipient, int messageExpirationTimer
 815     ) throws IOException, UnregisteredRecipientException {
 816         var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 817         context.getContactHelper().setExpirationTimer(recipientId, messageExpirationTimer);
 818         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
 819         try {
 820             sendMessage(messageBuilder, Set.of(recipient));
 821         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 822             throw new AssertionError(e);
 823         }
 824     }
 825
 826     @Override
 827     public StickerPackUrl uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
 828         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
 829
 830         var messageSender = dependencies.getMessageSender();
 831
 832         var packKey = KeyUtils.createStickerUploadKey();
 833         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
 834         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
 835
 836         var sticker = new StickerPack(packId, packKey);
 837         account.getStickerStore().addStickerPack(sticker);
 838
 839         return new StickerPackUrl(packId, packKey);
 840     }
 841
 842     @Override
 843     public List<org.asamk.signal.manager.api.StickerPack> getStickerPacks() {
 844         final var stickerPackStore = context.getStickerPackStore();
 845         return account.getStickerStore().getStickerPacks().stream().map(pack -> {
 846             if (stickerPackStore.existsStickerPack(pack.packId())) {
 847                 try {
 848                     final var manifest = stickerPackStore.retrieveManifest(pack.packId());
 849                     return new org.asamk.signal.manager.api.StickerPack(pack.packId(),
 850                             new StickerPackUrl(pack.packId(), pack.packKey()),
 851                             pack.isInstalled(),
 852                             manifest.title(),
 853                             manifest.author(),
 854                             Optional.ofNullable(manifest.cover() == null ? null : manifest.cover().toApi()),
 855                             manifest.stickers().stream().map(JsonStickerPack.JsonSticker::toApi).toList());
 856                 } catch (Exception e) {
 857                     logger.warn("Failed to read local sticker pack manifest: {}", e.getMessage(), e);
 858                 }
 859             }
 860
 861             return new org.asamk.signal.manager.api.StickerPack(pack.packId(), pack.packKey(), pack.isInstalled());
 862         }).toList();
 863     }
 864
 865     @Override
 866     public void requestAllSyncData() throws IOException {
 867         context.getSyncHelper().requestAllSyncData();
 868         retrieveRemoteStorage();
 869     }
 870
 871     void retrieveRemoteStorage() throws IOException {
 872         context.getStorageHelper().readDataFromStorage();
 873     }
 874
 875     @Override
 876     public void addReceiveHandler(final ReceiveMessageHandler handler, final boolean isWeakListener) {
 877         if (isReceivingSynchronous) {
 878             throw new IllegalStateException("Already receiving message synchronously.");
 879         }
 880         synchronized (messageHandlers) {
 881             if (isWeakListener) {
 882                 weakHandlers.add(handler);
 883             } else {
 884                 messageHandlers.add(handler);
 885                 startReceiveThreadIfRequired();
 886             }
 887         }
 888     }
 889
 890     private static final AtomicInteger threadNumber = new AtomicInteger(0);
 891
 892     private void startReceiveThreadIfRequired() {
 893         if (receiveThread != null) {
 894             return;
 895         }
 896         receiveThread = new Thread(() -> {
 897             logger.debug("Starting receiving messages");
 898             context.getReceiveHelper().receiveMessagesContinuously((envelope, e) -> {
 899                 synchronized (messageHandlers) {
 900                     final var handlers = Stream.concat(messageHandlers.stream(), weakHandlers.stream()).toList();
 901                     handlers.forEach(h -> {
 902                         try {
 903                             h.handleMessage(envelope, e);
 904                         } catch (Throwable ex) {
 905                             logger.warn("Message handler failed, ignoring", ex);
 906                         }
 907                     });
 908                 }
 909             });
 910             logger.debug("Finished receiving messages");
 911             synchronized (messageHandlers) {
 912                 receiveThread = null;
 913
 914                 // Check if in the meantime another handler has been registered
 915                 if (!messageHandlers.isEmpty()) {
 916                     logger.debug("Another handler has been registered, starting receive thread again");
 917                     startReceiveThreadIfRequired();
 918                 }
 919             }
 920         });
 921         receiveThread.setName("receive-" + threadNumber.getAndIncrement());
 922
 923         receiveThread.start();
 924     }
 925
 926     @Override
 927     public void removeReceiveHandler(final ReceiveMessageHandler handler) {
 928         final Thread thread;
 929         synchronized (messageHandlers) {
 930             weakHandlers.remove(handler);
 931             messageHandlers.remove(handler);
 932             if (!messageHandlers.isEmpty() || receiveThread == null || isReceivingSynchronous) {
 933                 return;
 934             }
 935             thread = receiveThread;
 936             receiveThread = null;
 937         }
 938
 939         stopReceiveThread(thread);
 940     }
 941
 942     private void stopReceiveThread(final Thread thread) {
 943         if (context.getReceiveHelper().requestStopReceiveMessages()) {
 944             logger.debug("Receive stop requested, interrupting read from server.");
 945             thread.interrupt();
 946         }
 947         try {
 948             thread.join();
 949         } catch (InterruptedException ignored) {
 950         }
 951     }
 952
 953     @Override
 954     public boolean isReceiving() {
 955         if (isReceivingSynchronous) {
 956             return true;
 957         }
 958         synchronized (messageHandlers) {
 959             return messageHandlers.size() > 0;
 960         }
 961     }
 962
 963     @Override
 964     public void receiveMessages(Duration timeout, ReceiveMessageHandler handler) throws IOException {
 965         receiveMessages(timeout, true, handler);
 966     }
 967
 968     @Override
 969     public void receiveMessages(ReceiveMessageHandler handler) throws IOException {
 970         receiveMessages(Duration.ofMinutes(1), false, handler);
 971     }
 972
 973     private void receiveMessages(
 974             Duration timeout, boolean returnOnTimeout, ReceiveMessageHandler handler
 975     ) throws IOException {
 976         if (isReceiving()) {
 977             throw new IllegalStateException("Already receiving message.");
 978         }
 979         isReceivingSynchronous = true;
 980         receiveThread = Thread.currentThread();
 981         try {
 982             context.getReceiveHelper().receiveMessages(timeout, returnOnTimeout, handler);
 983         } finally {
 984             receiveThread = null;
 985             isReceivingSynchronous = false;
 986         }
 987     }
 988
 989     @Override
 990     public void setReceiveConfig(final ReceiveConfig receiveConfig) {
 991         context.getReceiveHelper().setReceiveConfig(receiveConfig);
 992     }
 993
 994     @Override
 995     public boolean hasCaughtUpWithOldMessages() {
 996         return context.getReceiveHelper().hasCaughtUpWithOldMessages();
 997     }
 998
 999     @Override
1000     public boolean isContactBlocked(final RecipientIdentifier.Single recipient) {
1001         final RecipientId recipientId;
1002         try {
1003             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1004         } catch (UnregisteredRecipientException e) {
1005             return false;
1006         }
1007         return context.getContactHelper().isContactBlocked(recipientId);
1008     }
1009
1010     @Override
1011     public void sendContacts() throws IOException {
1012         context.getSyncHelper().sendContacts();
1013     }
1014
1015     @Override
1016     public List<Recipient> getRecipients(
1017             boolean onlyContacts,
1018             Optional<Boolean> blocked,
1019             Collection<RecipientIdentifier.Single> recipients,
1020             Optional<String> name
1021     ) {
1022         final var recipientIds = recipients.stream().map(a -> {
1023             try {
1024                 return context.getRecipientHelper().resolveRecipient(a);
1025             } catch (UnregisteredRecipientException e) {
1026                 return null;
1027             }
1028         }).filter(Objects::nonNull).collect(Collectors.toSet());
1029         if (!recipients.isEmpty() && recipientIds.isEmpty()) {
1030             return List.of();
1031         }
1032         // refresh profiles of explicitly given recipients
1033         context.getProfileHelper().refreshRecipientProfiles(recipientIds);
1034         return account.getRecipientStore()
1035                 .getRecipients(onlyContacts, blocked, recipientIds, name)
1036                 .stream()
1037                 .map(s -> new Recipient(s.getRecipientId(),
1038                         s.getAddress().toApiRecipientAddress(),
1039                         s.getContact(),
1040                         s.getProfileKey(),
1041                         s.getExpiringProfileKeyCredential(),
1042                         s.getProfile()))
1043                 .toList();
1044     }
1045
1046     @Override
1047     public String getContactOrProfileName(RecipientIdentifier.Single recipient) {
1048         final RecipientId recipientId;
1049         try {
1050             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1051         } catch (UnregisteredRecipientException e) {
1052             return null;
1053         }
1054
1055         final var contact = account.getContactStore().getContact(recipientId);
1056         if (contact != null && !Util.isEmpty(contact.getName())) {
1057             return contact.getName();
1058         }
1059
1060         final var profile = context.getProfileHelper().getRecipientProfile(recipientId);
1061         if (profile != null) {
1062             return profile.getDisplayName();
1063         }
1064
1065         return null;
1066     }
1067
1068     @Override
1069     public Group getGroup(GroupId groupId) {
1070         return toGroup(context.getGroupHelper().getGroup(groupId));
1071     }
1072
1073     @Override
1074     public List<Identity> getIdentities() {
1075         return account.getIdentityKeyStore().getIdentities().stream().map(this::toIdentity).toList();
1076     }
1077
1078     private Identity toIdentity(final IdentityInfo identityInfo) {
1079         if (identityInfo == null) {
1080             return null;
1081         }
1082
1083         final var address = account.getRecipientAddressResolver()
1084                 .resolveRecipientAddress(account.getRecipientResolver().resolveRecipient(identityInfo.getServiceId()));
1085         final var scannableFingerprint = context.getIdentityHelper()
1086                 .computeSafetyNumberForScanning(identityInfo.getServiceId(), identityInfo.getIdentityKey());
1087         return new Identity(address.toApiRecipientAddress(),
1088                 identityInfo.getIdentityKey(),
1089                 context.getIdentityHelper()
1090                         .computeSafetyNumber(identityInfo.getServiceId(), identityInfo.getIdentityKey()),
1091                 scannableFingerprint == null ? null : scannableFingerprint.getSerialized(),
1092                 identityInfo.getTrustLevel(),
1093                 identityInfo.getDateAddedTimestamp());
1094     }
1095
1096     @Override
1097     public List<Identity> getIdentities(RecipientIdentifier.Single recipient) {
1098         ServiceId serviceId;
1099         try {
1100             serviceId = account.getRecipientAddressResolver()
1101                     .resolveRecipientAddress(context.getRecipientHelper().resolveRecipient(recipient))
1102                     .getServiceId();
1103         } catch (UnregisteredRecipientException e) {
1104             return List.of();
1105         }
1106         final var identity = account.getIdentityKeyStore().getIdentityInfo(serviceId);
1107         return identity == null ? List.of() : List.of(toIdentity(identity));
1108     }
1109
1110     @Override
1111     public boolean trustIdentityVerified(
1112             RecipientIdentifier.Single recipient, byte[] fingerprint
1113     ) throws UnregisteredRecipientException {
1114         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityVerified(r, fingerprint));
1115     }
1116
1117     @Override
1118     public boolean trustIdentityVerifiedSafetyNumber(
1119             RecipientIdentifier.Single recipient, String safetyNumber
1120     ) throws UnregisteredRecipientException {
1121         return trustIdentity(recipient,
1122                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
1123     }
1124
1125     @Override
1126     public boolean trustIdentityVerifiedSafetyNumber(
1127             RecipientIdentifier.Single recipient, byte[] safetyNumber
1128     ) throws UnregisteredRecipientException {
1129         return trustIdentity(recipient,
1130                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
1131     }
1132
1133     @Override
1134     public boolean trustIdentityAllKeys(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
1135         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityAllKeys(r));
1136     }
1137
1138     private boolean trustIdentity(
1139             RecipientIdentifier.Single recipient, Function<RecipientId, Boolean> trustMethod
1140     ) throws UnregisteredRecipientException {
1141         final var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1142         final var updated = trustMethod.apply(recipientId);
1143         if (updated && this.isReceiving()) {
1144             context.getReceiveHelper().setNeedsToRetryFailedMessages(true);
1145         }
1146         return updated;
1147     }
1148
1149     @Override
1150     public void addAddressChangedListener(final Runnable listener) {
1151         synchronized (addressChangedListeners) {
1152             addressChangedListeners.add(listener);
1153         }
1154     }
1155
1156     @Override
1157     public void addClosedListener(final Runnable listener) {
1158         synchronized (closedListeners) {
1159             closedListeners.add(listener);
1160         }
1161     }
1162
1163     @Override
1164     public void close() {
1165         Thread thread;
1166         synchronized (messageHandlers) {
1167             weakHandlers.clear();
1168             messageHandlers.clear();
1169             thread = receiveThread;
1170             receiveThread = null;
1171         }
1172         if (thread != null) {
1173             stopReceiveThread(thread);
1174         }
1175         executor.shutdown();
1176
1177         dependencies.getSignalWebSocket().disconnect();
1178         disposable.dispose();
1179
1180         if (account != null) {
1181             account.close();
1182         }
1183
1184         synchronized (closedListeners) {
1185             closedListeners.forEach(Runnable::run);
1186             closedListeners.clear();
1187         }
1188
1189         account = null;
1190     }
1191 }