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.AlreadyReceivingException;
  20 import org.asamk.signal.manager.api.AttachmentInvalidException;
  21 import org.asamk.signal.manager.api.Configuration;
  22 import org.asamk.signal.manager.api.Device;
  23 import org.asamk.signal.manager.api.Group;
  24 import org.asamk.signal.manager.api.Identity;
  25 import org.asamk.signal.manager.api.InactiveGroupLinkException;
  26 import org.asamk.signal.manager.api.InvalidDeviceLinkException;
  27 import org.asamk.signal.manager.api.InvalidStickerException;
  28 import org.asamk.signal.manager.api.InvalidUsernameException;
  29 import org.asamk.signal.manager.api.Message;
  30 import org.asamk.signal.manager.api.MessageEnvelope;
  31 import org.asamk.signal.manager.api.NotPrimaryDeviceException;
  32 import org.asamk.signal.manager.api.Pair;
  33 import org.asamk.signal.manager.api.PendingAdminApprovalException;
  34 import org.asamk.signal.manager.api.ReceiveConfig;
  35 import org.asamk.signal.manager.api.Recipient;
  36 import org.asamk.signal.manager.api.RecipientIdentifier;
  37 import org.asamk.signal.manager.api.SendGroupMessageResults;
  38 import org.asamk.signal.manager.api.SendMessageResult;
  39 import org.asamk.signal.manager.api.SendMessageResults;
  40 import org.asamk.signal.manager.api.StickerPackId;
  41 import org.asamk.signal.manager.api.StickerPackInvalidException;
  42 import org.asamk.signal.manager.api.StickerPackUrl;
  43 import org.asamk.signal.manager.api.TextStyle;
  44 import org.asamk.signal.manager.api.TypingAction;
  45 import org.asamk.signal.manager.api.UnregisteredRecipientException;
  46 import org.asamk.signal.manager.api.UpdateGroup;
  47 import org.asamk.signal.manager.api.UpdateProfile;
  48 import org.asamk.signal.manager.api.UserStatus;
  49 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  50 import org.asamk.signal.manager.groups.GroupId;
  51 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  52 import org.asamk.signal.manager.groups.GroupNotFoundException;
  53 import org.asamk.signal.manager.groups.GroupSendingNotAllowedException;
  54 import org.asamk.signal.manager.groups.LastGroupAdminException;
  55 import org.asamk.signal.manager.groups.NotAGroupMemberException;
  56 import org.asamk.signal.manager.helper.AccountFileUpdater;
  57 import org.asamk.signal.manager.helper.Context;
  58 import org.asamk.signal.manager.storage.SignalAccount;
  59 import org.asamk.signal.manager.storage.groups.GroupInfo;
  60 import org.asamk.signal.manager.storage.identities.IdentityInfo;
  61 import org.asamk.signal.manager.storage.recipients.Profile;
  62 import org.asamk.signal.manager.storage.recipients.RecipientId;
  63 import org.asamk.signal.manager.storage.stickerPacks.JsonStickerPack;
  64 import org.asamk.signal.manager.storage.stickerPacks.StickerPackStore;
  65 import org.asamk.signal.manager.storage.stickers.StickerPack;
  66 import org.asamk.signal.manager.util.AttachmentUtils;
  67 import org.asamk.signal.manager.util.KeyUtils;
  68 import org.asamk.signal.manager.util.MimeUtils;
  69 import org.asamk.signal.manager.util.StickerUtils;
  70 import org.signal.libsignal.usernames.BaseUsernameException;
  71 import org.slf4j.Logger;
  72 import org.slf4j.LoggerFactory;
  73 import org.whispersystems.signalservice.api.SignalSessionLock;
  74 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
  75 import org.whispersystems.signalservice.api.messages.SignalServicePreview;
  76 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
  77 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
  78 import org.whispersystems.signalservice.api.push.ACI;
  79 import org.whispersystems.signalservice.api.push.ServiceId;
  80 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  81 import org.whispersystems.signalservice.api.util.InvalidNumberException;
  82 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  83 import org.whispersystems.signalservice.api.util.StreamDetails;
  84 import org.whispersystems.signalservice.internal.util.Hex;
  85 import org.whispersystems.signalservice.internal.util.Util;
  86
  87 import java.io.ByteArrayInputStream;
  88 import java.io.File;
  89 import java.io.IOException;
  90 import java.io.InputStream;
  91 import java.net.URI;
  92 import java.nio.charset.StandardCharsets;
  93 import java.time.Duration;
  94 import java.util.ArrayList;
  95 import java.util.Collection;
  96 import java.util.HashMap;
  97 import java.util.HashSet;
  98 import java.util.List;
  99 import java.util.Map;
 100 import java.util.Objects;
 101 import java.util.Optional;
 102 import java.util.Set;
 103 import java.util.concurrent.ExecutorService;
 104 import java.util.concurrent.Executors;
 105 import java.util.concurrent.atomic.AtomicInteger;
 106 import java.util.concurrent.locks.ReentrantLock;
 107 import java.util.function.Function;
 108 import java.util.stream.Collectors;
 109 import java.util.stream.Stream;
 110
 111 import io.reactivex.rxjava3.disposables.CompositeDisposable;
 112
 113 class ManagerImpl implements Manager {
 114
 115     private final static Logger logger = LoggerFactory.getLogger(ManagerImpl.class);
 116
 117     private SignalAccount account;
 118     private final SignalDependencies dependencies;
 119     private final Context context;
 120
 121     private final ExecutorService executor = Executors.newCachedThreadPool();
 122
 123     private Thread receiveThread;
 124     private boolean isReceivingSynchronous;
 125     private final Set<ReceiveMessageHandler> weakHandlers = new HashSet<>();
 126     private final Set<ReceiveMessageHandler> messageHandlers = new HashSet<>();
 127     private final List<Runnable> closedListeners = new ArrayList<>();
 128     private final List<Runnable> addressChangedListeners = new ArrayList<>();
 129     private final CompositeDisposable disposable = new CompositeDisposable();
 130
 131     ManagerImpl(
 132             SignalAccount account,
 133             PathConfig pathConfig,
 134             AccountFileUpdater accountFileUpdater,
 135             ServiceEnvironmentConfig serviceEnvironmentConfig,
 136             String userAgent
 137     ) {
 138         this.account = account;
 139
 140         final var sessionLock = new SignalSessionLock() {
 141             private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 142
 143             @Override
 144             public Lock acquire() {
 145                 LEGACY_LOCK.lock();
 146                 return LEGACY_LOCK::unlock;
 147             }
 148         };
 149         this.dependencies = new SignalDependencies(serviceEnvironmentConfig,
 150                 userAgent,
 151                 account.getCredentialsProvider(),
 152                 account.getSignalServiceDataStore(),
 153                 executor,
 154                 sessionLock);
 155         final var avatarStore = new AvatarStore(pathConfig.avatarsPath());
 156         final var attachmentStore = new AttachmentStore(pathConfig.attachmentsPath());
 157         final var stickerPackStore = new StickerPackStore(pathConfig.stickerPacksPath());
 158
 159         this.context = new Context(account, new AccountFileUpdater() {
 160             @Override
 161             public void updateAccountIdentifiers(final String number, final ACI aci) {
 162                 accountFileUpdater.updateAccountIdentifiers(number, aci);
 163                 synchronized (addressChangedListeners) {
 164                     addressChangedListeners.forEach(Runnable::run);
 165                 }
 166             }
 167
 168             @Override
 169             public void removeAccount() {
 170                 accountFileUpdater.removeAccount();
 171             }
 172         }, dependencies, avatarStore, attachmentStore, stickerPackStore);
 173         this.context.getAccountHelper().setUnregisteredListener(this::close);
 174         this.context.getReceiveHelper().setAuthenticationFailureListener(this::close);
 175         this.context.getReceiveHelper().setCaughtUpWithOldMessagesListener(() -> {
 176             synchronized (this) {
 177                 this.notifyAll();
 178             }
 179         });
 180         disposable.add(account.getIdentityKeyStore().getIdentityChanges().subscribe(serviceId -> {
 181             logger.trace("Archiving old sessions for {}", serviceId);
 182             account.getAciSessionStore().archiveSessions(serviceId);
 183             account.getPniSessionStore().archiveSessions(serviceId);
 184             account.getSenderKeyStore().deleteSharedWith(serviceId);
 185             final var recipientId = account.getRecipientResolver().resolveRecipient(serviceId);
 186             final var profile = account.getProfileStore().getProfile(recipientId);
 187             if (profile != null) {
 188                 account.getProfileStore()
 189                         .storeProfile(recipientId,
 190                                 Profile.newBuilder(profile)
 191                                         .withUnidentifiedAccessMode(Profile.UnidentifiedAccessMode.UNKNOWN)
 192                                         .withLastUpdateTimestamp(0)
 193                                         .build());
 194             }
 195         }));
 196     }
 197
 198     @Override
 199     public String getSelfNumber() {
 200         return account.getNumber();
 201     }
 202
 203     void checkAccountState() throws IOException {
 204         context.getAccountHelper().checkAccountState();
 205     }
 206
 207     @Override
 208     public Map<String, UserStatus> getUserStatus(Set<String> numbers) throws IOException {
 209         final var canonicalizedNumbers = numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 210             try {
 211                 final var canonicalizedNumber = PhoneNumberFormatter.formatNumber(n, account.getNumber());
 212                 if (!canonicalizedNumber.equals(n)) {
 213                     logger.debug("Normalized number {} to {}.", n, canonicalizedNumber);
 214                 }
 215                 return canonicalizedNumber;
 216             } catch (InvalidNumberException e) {
 217                 return "";
 218             }
 219         }));
 220
 221         // Note "registeredUsers" has no optionals. It only gives us info on users who are registered
 222         final var canonicalizedNumbersSet = canonicalizedNumbers.values()
 223                 .stream()
 224                 .filter(s -> !s.isEmpty())
 225                 .collect(Collectors.toSet());
 226         final var registeredUsers = context.getRecipientHelper().getRegisteredUsers(canonicalizedNumbersSet);
 227
 228         return numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 229             final var number = canonicalizedNumbers.get(n);
 230             final var user = registeredUsers.get(number);
 231             final var serviceId = user == null ? null : user.getServiceId();
 232             final var profile = serviceId == null
 233                     ? null
 234                     : context.getProfileHelper()
 235                             .getRecipientProfile(account.getRecipientResolver().resolveRecipient(serviceId));
 236             return new UserStatus(number.isEmpty() ? null : number,
 237                     serviceId == null ? null : serviceId.uuid(),
 238                     profile != null
 239                             && profile.getUnidentifiedAccessMode() == Profile.UnidentifiedAccessMode.UNRESTRICTED);
 240         }));
 241     }
 242
 243     @Override
 244     public void updateAccountAttributes(String deviceName) throws IOException {
 245         if (deviceName != null) {
 246             context.getAccountHelper().setDeviceName(deviceName);
 247         }
 248         context.getAccountHelper().updateAccountAttributes();
 249         context.getAccountHelper().checkWhoAmiI();
 250     }
 251
 252     @Override
 253     public Configuration getConfiguration() {
 254         final var configurationStore = account.getConfigurationStore();
 255         return Configuration.from(configurationStore);
 256     }
 257
 258     @Override
 259     public void updateConfiguration(
 260             Configuration configuration
 261     ) throws NotPrimaryDeviceException {
 262         if (!account.isPrimaryDevice()) {
 263             throw new NotPrimaryDeviceException();
 264         }
 265
 266         final var configurationStore = account.getConfigurationStore();
 267         if (configuration.readReceipts().isPresent()) {
 268             configurationStore.setReadReceipts(configuration.readReceipts().get());
 269         }
 270         if (configuration.unidentifiedDeliveryIndicators().isPresent()) {
 271             configurationStore.setUnidentifiedDeliveryIndicators(configuration.unidentifiedDeliveryIndicators().get());
 272         }
 273         if (configuration.typingIndicators().isPresent()) {
 274             configurationStore.setTypingIndicators(configuration.typingIndicators().get());
 275         }
 276         if (configuration.linkPreviews().isPresent()) {
 277             configurationStore.setLinkPreviews(configuration.linkPreviews().get());
 278         }
 279         context.getSyncHelper().sendConfigurationMessage();
 280     }
 281
 282     @Override
 283     public void updateProfile(UpdateProfile updateProfile) throws IOException {
 284         context.getProfileHelper()
 285                 .setProfile(updateProfile.getGivenName(),
 286                         updateProfile.getFamilyName(),
 287                         updateProfile.getAbout(),
 288                         updateProfile.getAboutEmoji(),
 289                         updateProfile.isDeleteAvatar()
 290                                 ? Optional.empty()
 291                                 : updateProfile.getAvatar() == null ? null : Optional.of(updateProfile.getAvatar()),
 292                         updateProfile.getMobileCoinAddress());
 293         context.getSyncHelper().sendSyncFetchProfileMessage();
 294     }
 295
 296     void refreshCurrentUsername() throws IOException, BaseUsernameException {
 297         context.getAccountHelper().refreshCurrentUsername();
 298     }
 299
 300     @Override
 301     public String setUsername(final String username) throws IOException, InvalidUsernameException {
 302         try {
 303             return context.getAccountHelper().reserveUsername(username);
 304         } catch (BaseUsernameException e) {
 305             throw new InvalidUsernameException(e.getMessage() + " (" + e.getClass().getSimpleName() + ")", e);
 306         }
 307     }
 308
 309     @Override
 310     public void deleteUsername() throws IOException {
 311         context.getAccountHelper().deleteUsername();
 312     }
 313
 314     @Override
 315     public void unregister() throws IOException {
 316         context.getAccountHelper().unregister();
 317     }
 318
 319     @Override
 320     public void deleteAccount() throws IOException {
 321         context.getAccountHelper().deleteAccount();
 322     }
 323
 324     @Override
 325     public void submitRateLimitRecaptchaChallenge(String challenge, String captcha) throws IOException {
 326         captcha = captcha == null ? null : captcha.replace("signalcaptcha://", "");
 327
 328         dependencies.getAccountManager().submitRateLimitRecaptchaChallenge(challenge, captcha);
 329     }
 330
 331     @Override
 332     public List<Device> getLinkedDevices() throws IOException {
 333         var devices = dependencies.getAccountManager().getDevices();
 334         account.setMultiDevice(devices.size() > 1);
 335         var identityKey = account.getAciIdentityKeyPair().getPrivateKey();
 336         return devices.stream().map(d -> {
 337             String deviceName = d.getName();
 338             if (deviceName != null) {
 339                 try {
 340                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 341                 } catch (IOException e) {
 342                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 343                 }
 344             }
 345             return new Device(d.getId(),
 346                     deviceName,
 347                     d.getCreated(),
 348                     d.getLastSeen(),
 349                     d.getId() == account.getDeviceId());
 350         }).toList();
 351     }
 352
 353     @Override
 354     public void removeLinkedDevices(int deviceId) throws IOException {
 355         context.getAccountHelper().removeLinkedDevices(deviceId);
 356     }
 357
 358     @Override
 359     public void addDeviceLink(URI linkUri) throws IOException, InvalidDeviceLinkException {
 360         var deviceLinkInfo = DeviceLinkInfo.parseDeviceLinkUri(linkUri);
 361         context.getAccountHelper().addDevice(deviceLinkInfo);
 362     }
 363
 364     @Override
 365     public void setRegistrationLockPin(Optional<String> pin) throws IOException, NotPrimaryDeviceException {
 366         if (!account.isPrimaryDevice()) {
 367             throw new NotPrimaryDeviceException();
 368         }
 369         if (pin.isPresent()) {
 370             context.getAccountHelper().setRegistrationPin(pin.get());
 371         } else {
 372             context.getAccountHelper().removeRegistrationPin();
 373         }
 374     }
 375
 376     void refreshPreKeys() throws IOException {
 377         context.getPreKeyHelper().refreshPreKeys();
 378     }
 379
 380     @Override
 381     public List<Group> getGroups() {
 382         return account.getGroupStore().getGroups().stream().map(this::toGroup).toList();
 383     }
 384
 385     private Group toGroup(final GroupInfo groupInfo) {
 386         if (groupInfo == null) {
 387             return null;
 388         }
 389
 390         return Group.from(groupInfo, account.getRecipientAddressResolver(), account.getSelfRecipientId());
 391     }
 392
 393     @Override
 394     public SendGroupMessageResults quitGroup(
 395             GroupId groupId, Set<RecipientIdentifier.Single> groupAdmins
 396     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, LastGroupAdminException, UnregisteredRecipientException {
 397         final var newAdmins = context.getRecipientHelper().resolveRecipients(groupAdmins);
 398         return context.getGroupHelper().quitGroup(groupId, newAdmins);
 399     }
 400
 401     @Override
 402     public void deleteGroup(GroupId groupId) throws IOException {
 403         final var group = context.getGroupHelper().getGroup(groupId);
 404         if (group.isMember(account.getSelfRecipientId())) {
 405             throw new IOException(
 406                     "The local group information cannot be removed, as the user is still a member of the group");
 407         }
 408         context.getGroupHelper().deleteGroup(groupId);
 409     }
 410
 411     @Override
 412     public Pair<GroupId, SendGroupMessageResults> createGroup(
 413             String name, Set<RecipientIdentifier.Single> members, String avatarFile
 414     ) throws IOException, AttachmentInvalidException, UnregisteredRecipientException {
 415         return context.getGroupHelper()
 416                 .createGroup(name,
 417                         members == null ? null : context.getRecipientHelper().resolveRecipients(members),
 418                         avatarFile);
 419     }
 420
 421     @Override
 422     public SendGroupMessageResults updateGroup(
 423             final GroupId groupId, final UpdateGroup updateGroup
 424     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 425         return context.getGroupHelper()
 426                 .updateGroup(groupId,
 427                         updateGroup.getName(),
 428                         updateGroup.getDescription(),
 429                         updateGroup.getMembers() == null
 430                                 ? null
 431                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getMembers()),
 432                         updateGroup.getRemoveMembers() == null
 433                                 ? null
 434                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveMembers()),
 435                         updateGroup.getAdmins() == null
 436                                 ? null
 437                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getAdmins()),
 438                         updateGroup.getRemoveAdmins() == null
 439                                 ? null
 440                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveAdmins()),
 441                         updateGroup.getBanMembers() == null
 442                                 ? null
 443                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getBanMembers()),
 444                         updateGroup.getUnbanMembers() == null
 445                                 ? null
 446                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getUnbanMembers()),
 447                         updateGroup.isResetGroupLink(),
 448                         updateGroup.getGroupLinkState(),
 449                         updateGroup.getAddMemberPermission(),
 450                         updateGroup.getEditDetailsPermission(),
 451                         updateGroup.getAvatarFile(),
 452                         updateGroup.getExpirationTimer(),
 453                         updateGroup.getIsAnnouncementGroup());
 454     }
 455
 456     @Override
 457     public Pair<GroupId, SendGroupMessageResults> joinGroup(
 458             GroupInviteLinkUrl inviteLinkUrl
 459     ) throws IOException, InactiveGroupLinkException, PendingAdminApprovalException {
 460         return context.getGroupHelper().joinGroup(inviteLinkUrl);
 461     }
 462
 463     private SendMessageResults sendMessage(
 464             SignalServiceDataMessage.Builder messageBuilder, Set<RecipientIdentifier> recipients
 465     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 466         return sendMessage(messageBuilder, recipients, Optional.empty());
 467     }
 468
 469     private SendMessageResults sendMessage(
 470             SignalServiceDataMessage.Builder messageBuilder,
 471             Set<RecipientIdentifier> recipients,
 472             Optional<Long> editTargetTimestamp
 473     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 474         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 475         long timestamp = System.currentTimeMillis();
 476         messageBuilder.withTimestamp(timestamp);
 477         for (final var recipient : recipients) {
 478             if (recipient instanceof RecipientIdentifier.Single single) {
 479                 try {
 480                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 481                     final var result = context.getSendHelper()
 482                             .sendMessage(messageBuilder, recipientId, editTargetTimestamp);
 483                     results.put(recipient, List.of(toSendMessageResult(result)));
 484                 } catch (UnregisteredRecipientException e) {
 485                     results.put(recipient,
 486                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 487                 }
 488             } else if (recipient instanceof RecipientIdentifier.NoteToSelf) {
 489                 final var result = context.getSendHelper().sendSelfMessage(messageBuilder, editTargetTimestamp);
 490                 results.put(recipient, List.of(toSendMessageResult(result)));
 491             } else if (recipient instanceof RecipientIdentifier.Group group) {
 492                 final var result = context.getSendHelper()
 493                         .sendAsGroupMessage(messageBuilder, group.groupId(), editTargetTimestamp);
 494                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 495             }
 496         }
 497         return new SendMessageResults(timestamp, results);
 498     }
 499
 500     private SendMessageResult toSendMessageResult(final org.whispersystems.signalservice.api.messages.SendMessageResult result) {
 501         return SendMessageResult.from(result, account.getRecipientResolver(), account.getRecipientAddressResolver());
 502     }
 503
 504     private SendMessageResults sendTypingMessage(
 505             SignalServiceTypingMessage.Action action, Set<RecipientIdentifier> recipients
 506     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 507         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 508         final var timestamp = System.currentTimeMillis();
 509         for (var recipient : recipients) {
 510             if (recipient instanceof RecipientIdentifier.Single single) {
 511                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.empty());
 512                 try {
 513                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 514                     final var result = context.getSendHelper().sendTypingMessage(message, recipientId);
 515                     results.put(recipient, List.of(toSendMessageResult(result)));
 516                 } catch (UnregisteredRecipientException e) {
 517                     results.put(recipient,
 518                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 519                 }
 520             } else if (recipient instanceof RecipientIdentifier.Group) {
 521                 final var groupId = ((RecipientIdentifier.Group) recipient).groupId();
 522                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.of(groupId.serialize()));
 523                 final var result = context.getSendHelper().sendGroupTypingMessage(message, groupId);
 524                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 525             }
 526         }
 527         return new SendMessageResults(timestamp, results);
 528     }
 529
 530     @Override
 531     public SendMessageResults sendTypingMessage(
 532             TypingAction action, Set<RecipientIdentifier> recipients
 533     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 534         return sendTypingMessage(action.toSignalService(), recipients);
 535     }
 536
 537     @Override
 538     public SendMessageResults sendReadReceipt(
 539             RecipientIdentifier.Single sender, List<Long> messageIds
 540     ) {
 541         final var timestamp = System.currentTimeMillis();
 542         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.READ,
 543                 messageIds,
 544                 timestamp);
 545
 546         return sendReceiptMessage(sender, timestamp, receiptMessage);
 547     }
 548
 549     @Override
 550     public SendMessageResults sendViewedReceipt(
 551             RecipientIdentifier.Single sender, List<Long> messageIds
 552     ) {
 553         final var timestamp = System.currentTimeMillis();
 554         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.VIEWED,
 555                 messageIds,
 556                 timestamp);
 557
 558         return sendReceiptMessage(sender, timestamp, receiptMessage);
 559     }
 560
 561     private SendMessageResults sendReceiptMessage(
 562             final RecipientIdentifier.Single sender,
 563             final long timestamp,
 564             final SignalServiceReceiptMessage receiptMessage
 565     ) {
 566         try {
 567             final var result = context.getSendHelper()
 568                     .sendReceiptMessage(receiptMessage, context.getRecipientHelper().resolveRecipient(sender));
 569             return new SendMessageResults(timestamp, Map.of(sender, List.of(toSendMessageResult(result))));
 570         } catch (UnregisteredRecipientException e) {
 571             return new SendMessageResults(timestamp,
 572                     Map.of(sender, List.of(SendMessageResult.unregisteredFailure(sender.toPartialRecipientAddress()))));
 573         }
 574     }
 575
 576     @Override
 577     public SendMessageResults sendMessage(
 578             Message message, Set<RecipientIdentifier> recipients
 579     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 580         final var selfProfile = context.getProfileHelper().getSelfProfile();
 581         if (selfProfile == null || selfProfile.getDisplayName().isEmpty()) {
 582             logger.warn(
 583                     "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.");
 584         }
 585         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 586         applyMessage(messageBuilder, message);
 587         return sendMessage(messageBuilder, recipients);
 588     }
 589
 590     @Override
 591     public SendMessageResults sendEditMessage(
 592             Message message, Set<RecipientIdentifier> recipients, long editTargetTimestamp
 593     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 594         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 595         applyMessage(messageBuilder, message);
 596         return sendMessage(messageBuilder, recipients, Optional.of(editTargetTimestamp));
 597     }
 598
 599     private void applyMessage(
 600             final SignalServiceDataMessage.Builder messageBuilder, final Message message
 601     ) throws AttachmentInvalidException, IOException, UnregisteredRecipientException, InvalidStickerException {
 602         if (message.messageText().length() > 2000) {
 603             final var messageBytes = message.messageText().getBytes(StandardCharsets.UTF_8);
 604             final var textAttachment = AttachmentUtils.createAttachmentStream(new StreamDetails(new ByteArrayInputStream(
 605                     messageBytes), MimeUtils.LONG_TEXT, messageBytes.length), Optional.empty());
 606             messageBuilder.withBody(message.messageText().substring(0, 2000));
 607             messageBuilder.withAttachment(context.getAttachmentHelper().uploadAttachment(textAttachment));
 608         } else {
 609             messageBuilder.withBody(message.messageText());
 610         }
 611         if (message.attachments().size() > 0) {
 612             messageBuilder.withAttachments(context.getAttachmentHelper().uploadAttachments(message.attachments()));
 613         }
 614         if (message.mentions().size() > 0) {
 615             messageBuilder.withMentions(resolveMentions(message.mentions()));
 616         }
 617         if (message.textStyles().size() > 0) {
 618             messageBuilder.withBodyRanges(message.textStyles().stream().map(TextStyle::toBodyRange).toList());
 619         }
 620         if (message.quote().isPresent()) {
 621             final var quote = message.quote().get();
 622             messageBuilder.withQuote(new SignalServiceDataMessage.Quote(quote.timestamp(),
 623                     context.getRecipientHelper()
 624                             .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(quote.author()))
 625                             .getServiceId(),
 626                     quote.message(),
 627                     List.of(),
 628                     resolveMentions(quote.mentions()),
 629                     SignalServiceDataMessage.Quote.Type.NORMAL,
 630                     quote.textStyles().stream().map(TextStyle::toBodyRange).toList()));
 631         }
 632         if (message.sticker().isPresent()) {
 633             final var sticker = message.sticker().get();
 634             final var packId = StickerPackId.deserialize(sticker.packId());
 635             final var stickerId = sticker.stickerId();
 636
 637             final var stickerPack = context.getAccount().getStickerStore().getStickerPack(packId);
 638             if (stickerPack == null) {
 639                 throw new InvalidStickerException("Sticker pack not found");
 640             }
 641             final var manifest = context.getStickerHelper().getOrRetrieveStickerPack(packId, stickerPack.packKey());
 642             if (manifest.stickers().size() <= stickerId) {
 643                 throw new InvalidStickerException("Sticker id not part of this pack");
 644             }
 645             final var manifestSticker = manifest.stickers().get(stickerId);
 646             final var streamDetails = context.getStickerPackStore().retrieveSticker(packId, stickerId);
 647             if (streamDetails == null) {
 648                 throw new InvalidStickerException("Missing local sticker file");
 649             }
 650             messageBuilder.withSticker(new SignalServiceDataMessage.Sticker(packId.serialize(),
 651                     stickerPack.packKey(),
 652                     stickerId,
 653                     manifestSticker.emoji(),
 654                     AttachmentUtils.createAttachmentStream(streamDetails, Optional.empty())));
 655         }
 656         if (message.previews().size() > 0) {
 657             final var previews = new ArrayList<SignalServicePreview>(message.previews().size());
 658             for (final var p : message.previews()) {
 659                 final var image = p.image().isPresent() ? context.getAttachmentHelper()
 660                         .uploadAttachment(p.image().get()) : null;
 661                 previews.add(new SignalServicePreview(p.url(),
 662                         p.title(),
 663                         p.description(),
 664                         0,
 665                         Optional.ofNullable(image)));
 666             }
 667             messageBuilder.withPreviews(previews);
 668         }
 669         if (message.storyReply().isPresent()) {
 670             final var storyReply = message.storyReply().get();
 671             final var authorServiceId = context.getRecipientHelper()
 672                     .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(storyReply.author()))
 673                     .getServiceId();
 674             messageBuilder.withStoryContext(new SignalServiceDataMessage.StoryContext(authorServiceId,
 675                     storyReply.timestamp()));
 676         }
 677     }
 678
 679     private ArrayList<SignalServiceDataMessage.Mention> resolveMentions(final List<Message.Mention> mentionList) throws UnregisteredRecipientException {
 680         final var mentions = new ArrayList<SignalServiceDataMessage.Mention>();
 681         for (final var m : mentionList) {
 682             final var recipientId = context.getRecipientHelper().resolveRecipient(m.recipient());
 683             mentions.add(new SignalServiceDataMessage.Mention(context.getRecipientHelper()
 684                     .resolveSignalServiceAddress(recipientId)
 685                     .getServiceId(), m.start(), m.length()));
 686         }
 687         return mentions;
 688     }
 689
 690     @Override
 691     public SendMessageResults sendRemoteDeleteMessage(
 692             long targetSentTimestamp, Set<RecipientIdentifier> recipients
 693     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 694         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
 695         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
 696         for (final var recipient : recipients) {
 697             if (recipient instanceof RecipientIdentifier.Uuid u) {
 698                 account.getMessageSendLogStore()
 699                         .deleteEntryForRecipientNonGroup(targetSentTimestamp, ServiceId.from(u.uuid()));
 700             } else if (recipient instanceof RecipientIdentifier.Single r) {
 701                 try {
 702                     final var recipientId = context.getRecipientHelper().resolveRecipient(r);
 703                     final var address = account.getRecipientAddressResolver().resolveRecipientAddress(recipientId);
 704                     if (address.serviceId().isPresent()) {
 705                         account.getMessageSendLogStore()
 706                                 .deleteEntryForRecipientNonGroup(targetSentTimestamp, address.serviceId().get());
 707                     }
 708                 } catch (UnregisteredRecipientException ignored) {
 709                 }
 710             } else if (recipient instanceof RecipientIdentifier.Group r) {
 711                 account.getMessageSendLogStore().deleteEntryForGroup(targetSentTimestamp, r.groupId());
 712             }
 713         }
 714         return sendMessage(messageBuilder, recipients);
 715     }
 716
 717     @Override
 718     public SendMessageResults sendMessageReaction(
 719             String emoji,
 720             boolean remove,
 721             RecipientIdentifier.Single targetAuthor,
 722             long targetSentTimestamp,
 723             Set<RecipientIdentifier> recipients,
 724             final boolean isStory
 725     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 726         var targetAuthorRecipientId = context.getRecipientHelper().resolveRecipient(targetAuthor);
 727         final var authorServiceId = context.getRecipientHelper()
 728                 .resolveSignalServiceAddress(targetAuthorRecipientId)
 729                 .getServiceId();
 730         var reaction = new SignalServiceDataMessage.Reaction(emoji, remove, authorServiceId, targetSentTimestamp);
 731         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 732         if (isStory) {
 733             messageBuilder.withStoryContext(new SignalServiceDataMessage.StoryContext(authorServiceId,
 734                     targetSentTimestamp));
 735         }
 736         return sendMessage(messageBuilder, recipients);
 737     }
 738
 739     @Override
 740     public SendMessageResults sendPaymentNotificationMessage(
 741             byte[] receipt, String note, RecipientIdentifier.Single recipient
 742     ) throws IOException {
 743         final var paymentNotification = new SignalServiceDataMessage.PaymentNotification(receipt, note);
 744         final var payment = new SignalServiceDataMessage.Payment(paymentNotification, null);
 745         final var messageBuilder = SignalServiceDataMessage.newBuilder().withPayment(payment);
 746         try {
 747             return sendMessage(messageBuilder, Set.of(recipient));
 748         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 749             throw new AssertionError(e);
 750         }
 751     }
 752
 753     @Override
 754     public SendMessageResults sendEndSessionMessage(Set<RecipientIdentifier.Single> recipients) throws IOException {
 755         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
 756
 757         try {
 758             return sendMessage(messageBuilder,
 759                     recipients.stream().map(RecipientIdentifier.class::cast).collect(Collectors.toSet()));
 760         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 761             throw new AssertionError(e);
 762         } finally {
 763             for (var recipient : recipients) {
 764                 final RecipientId recipientId;
 765                 try {
 766                     recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 767                 } catch (UnregisteredRecipientException e) {
 768                     continue;
 769                 }
 770                 final var serviceId = context.getAccount()
 771                         .getRecipientAddressResolver()
 772                         .resolveRecipientAddress(recipientId)
 773                         .serviceId();
 774                 if (serviceId.isPresent()) {
 775                     account.getAciSessionStore().deleteAllSessions(serviceId.get());
 776                 }
 777             }
 778         }
 779     }
 780
 781     @Override
 782     public void deleteRecipient(final RecipientIdentifier.Single recipient) {
 783         final var recipientIdOptional = context.getRecipientHelper().resolveRecipientOptional(recipient);
 784         if (recipientIdOptional.isPresent()) {
 785             account.removeRecipient(recipientIdOptional.get());
 786         }
 787     }
 788
 789     @Override
 790     public void deleteContact(final RecipientIdentifier.Single recipient) {
 791         final var recipientIdOptional = context.getRecipientHelper().resolveRecipientOptional(recipient);
 792         if (recipientIdOptional.isPresent()) {
 793             account.getContactStore().deleteContact(recipientIdOptional.get());
 794         }
 795     }
 796
 797     @Override
 798     public void setContactName(
 799             RecipientIdentifier.Single recipient, String givenName, final String familyName
 800     ) throws NotPrimaryDeviceException, UnregisteredRecipientException {
 801         if (!account.isPrimaryDevice()) {
 802             throw new NotPrimaryDeviceException();
 803         }
 804         context.getContactHelper()
 805                 .setContactName(context.getRecipientHelper().resolveRecipient(recipient), givenName, familyName);
 806     }
 807
 808     @Override
 809     public void setContactsBlocked(
 810             Collection<RecipientIdentifier.Single> recipients, boolean blocked
 811     ) throws NotPrimaryDeviceException, IOException, UnregisteredRecipientException {
 812         if (!account.isPrimaryDevice()) {
 813             throw new NotPrimaryDeviceException();
 814         }
 815         if (recipients.size() == 0) {
 816             return;
 817         }
 818         final var recipientIds = context.getRecipientHelper().resolveRecipients(recipients);
 819         final var selfRecipientId = account.getSelfRecipientId();
 820         boolean shouldRotateProfileKey = false;
 821         for (final var recipientId : recipientIds) {
 822             if (context.getContactHelper().isContactBlocked(recipientId) == blocked) {
 823                 continue;
 824             }
 825             context.getContactHelper().setContactBlocked(recipientId, blocked);
 826             // if we don't have a common group with the blocked contact we need to rotate the profile key
 827             shouldRotateProfileKey = blocked && (
 828                     shouldRotateProfileKey || account.getGroupStore()
 829                             .getGroups()
 830                             .stream()
 831                             .noneMatch(g -> g.isMember(selfRecipientId) && g.isMember(recipientId))
 832             );
 833         }
 834         if (shouldRotateProfileKey) {
 835             context.getProfileHelper().rotateProfileKey();
 836         }
 837         context.getSyncHelper().sendBlockedList();
 838     }
 839
 840     @Override
 841     public void setGroupsBlocked(
 842             final Collection<GroupId> groupIds, final boolean blocked
 843     ) throws GroupNotFoundException, NotPrimaryDeviceException, IOException {
 844         if (!account.isPrimaryDevice()) {
 845             throw new NotPrimaryDeviceException();
 846         }
 847         if (groupIds.size() == 0) {
 848             return;
 849         }
 850         boolean shouldRotateProfileKey = false;
 851         for (final var groupId : groupIds) {
 852             if (context.getGroupHelper().isGroupBlocked(groupId) == blocked) {
 853                 continue;
 854             }
 855             context.getGroupHelper().setGroupBlocked(groupId, blocked);
 856             shouldRotateProfileKey = blocked;
 857         }
 858         if (shouldRotateProfileKey) {
 859             context.getProfileHelper().rotateProfileKey();
 860         }
 861         context.getSyncHelper().sendBlockedList();
 862     }
 863
 864     @Override
 865     public void setExpirationTimer(
 866             RecipientIdentifier.Single recipient, int messageExpirationTimer
 867     ) throws IOException, UnregisteredRecipientException {
 868         var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 869         context.getContactHelper().setExpirationTimer(recipientId, messageExpirationTimer);
 870         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
 871         try {
 872             sendMessage(messageBuilder, Set.of(recipient));
 873         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 874             throw new AssertionError(e);
 875         }
 876     }
 877
 878     @Override
 879     public StickerPackUrl uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
 880         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
 881
 882         var messageSender = dependencies.getMessageSender();
 883
 884         var packKey = KeyUtils.createStickerUploadKey();
 885         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
 886         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
 887
 888         var sticker = new StickerPack(packId, packKey);
 889         account.getStickerStore().addStickerPack(sticker);
 890
 891         return new StickerPackUrl(packId, packKey);
 892     }
 893
 894     @Override
 895     public List<org.asamk.signal.manager.api.StickerPack> getStickerPacks() {
 896         final var stickerPackStore = context.getStickerPackStore();
 897         return account.getStickerStore().getStickerPacks().stream().map(pack -> {
 898             if (stickerPackStore.existsStickerPack(pack.packId())) {
 899                 try {
 900                     final var manifest = stickerPackStore.retrieveManifest(pack.packId());
 901                     return new org.asamk.signal.manager.api.StickerPack(pack.packId(),
 902                             new StickerPackUrl(pack.packId(), pack.packKey()),
 903                             pack.isInstalled(),
 904                             manifest.title(),
 905                             manifest.author(),
 906                             Optional.ofNullable(manifest.cover() == null ? null : manifest.cover().toApi()),
 907                             manifest.stickers().stream().map(JsonStickerPack.JsonSticker::toApi).toList());
 908                 } catch (Exception e) {
 909                     logger.warn("Failed to read local sticker pack manifest: {}", e.getMessage(), e);
 910                 }
 911             }
 912
 913             return new org.asamk.signal.manager.api.StickerPack(pack.packId(), pack.packKey(), pack.isInstalled());
 914         }).toList();
 915     }
 916
 917     @Override
 918     public void requestAllSyncData() throws IOException {
 919         context.getSyncHelper().requestAllSyncData();
 920         retrieveRemoteStorage();
 921     }
 922
 923     void retrieveRemoteStorage() throws IOException {
 924         context.getStorageHelper().readDataFromStorage();
 925     }
 926
 927     @Override
 928     public void addReceiveHandler(final ReceiveMessageHandler handler, final boolean isWeakListener) {
 929         synchronized (messageHandlers) {
 930             if (isWeakListener) {
 931                 weakHandlers.add(handler);
 932             } else {
 933                 messageHandlers.add(handler);
 934                 startReceiveThreadIfRequired();
 935             }
 936         }
 937     }
 938
 939     private static final AtomicInteger threadNumber = new AtomicInteger(0);
 940
 941     private void startReceiveThreadIfRequired() {
 942         if (receiveThread != null || isReceivingSynchronous) {
 943             return;
 944         }
 945         receiveThread = new Thread(() -> {
 946             logger.debug("Starting receiving messages");
 947             context.getReceiveHelper().receiveMessagesContinuously(this::passReceivedMessageToHandlers);
 948             logger.debug("Finished receiving messages");
 949             synchronized (messageHandlers) {
 950                 receiveThread = null;
 951
 952                 // Check if in the meantime another handler has been registered
 953                 if (!messageHandlers.isEmpty()) {
 954                     logger.debug("Another handler has been registered, starting receive thread again");
 955                     startReceiveThreadIfRequired();
 956                 }
 957             }
 958         });
 959         receiveThread.setName("receive-" + threadNumber.getAndIncrement());
 960
 961         receiveThread.start();
 962     }
 963
 964     private void passReceivedMessageToHandlers(MessageEnvelope envelope, Throwable e) {
 965         synchronized (messageHandlers) {
 966             Stream.concat(messageHandlers.stream(), weakHandlers.stream()).forEach(h -> {
 967                 try {
 968                     h.handleMessage(envelope, e);
 969                 } catch (Throwable ex) {
 970                     logger.warn("Message handler failed, ignoring", ex);
 971                 }
 972             });
 973         }
 974     }
 975
 976     @Override
 977     public void removeReceiveHandler(final ReceiveMessageHandler handler) {
 978         final Thread thread;
 979         synchronized (messageHandlers) {
 980             weakHandlers.remove(handler);
 981             messageHandlers.remove(handler);
 982             if (!messageHandlers.isEmpty() || receiveThread == null || isReceivingSynchronous) {
 983                 return;
 984             }
 985             thread = receiveThread;
 986             receiveThread = null;
 987         }
 988
 989         stopReceiveThread(thread);
 990     }
 991
 992     private void stopReceiveThread(final Thread thread) {
 993         if (context.getReceiveHelper().requestStopReceiveMessages()) {
 994             logger.debug("Receive stop requested, interrupting read from server.");
 995             thread.interrupt();
 996         }
 997         try {
 998             thread.join();
 999         } catch (InterruptedException ignored) {
1000         }
1001     }
1002
1003     @Override
1004     public boolean isReceiving() {
1005         if (isReceivingSynchronous) {
1006             return true;
1007         }
1008         synchronized (messageHandlers) {
1009             return messageHandlers.size() > 0;
1010         }
1011     }
1012
1013     @Override
1014     public void receiveMessages(
1015             Optional<Duration> timeout, Optional<Integer> maxMessages, ReceiveMessageHandler handler
1016     ) throws IOException, AlreadyReceivingException {
1017         receiveMessages(timeout.orElse(Duration.ofMinutes(1)), timeout.isPresent(), maxMessages.orElse(null), handler);
1018     }
1019
1020     private void receiveMessages(
1021             Duration timeout, boolean returnOnTimeout, Integer maxMessages, ReceiveMessageHandler handler
1022     ) throws IOException, AlreadyReceivingException {
1023         synchronized (messageHandlers) {
1024             if (isReceiving()) {
1025                 throw new AlreadyReceivingException("Already receiving message.");
1026             }
1027             isReceivingSynchronous = true;
1028             receiveThread = Thread.currentThread();
1029         }
1030         try {
1031             context.getReceiveHelper().receiveMessages(timeout, returnOnTimeout, maxMessages, (envelope, e) -> {
1032                 passReceivedMessageToHandlers(envelope, e);
1033                 handler.handleMessage(envelope, e);
1034             });
1035         } finally {
1036             synchronized (messageHandlers) {
1037                 receiveThread = null;
1038                 isReceivingSynchronous = false;
1039                 if (messageHandlers.size() > 0) {
1040                     startReceiveThreadIfRequired();
1041                 }
1042             }
1043         }
1044     }
1045
1046     @Override
1047     public void setReceiveConfig(final ReceiveConfig receiveConfig) {
1048         context.getReceiveHelper().setReceiveConfig(receiveConfig);
1049     }
1050
1051     @Override
1052     public boolean isContactBlocked(final RecipientIdentifier.Single recipient) {
1053         final RecipientId recipientId;
1054         try {
1055             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1056         } catch (UnregisteredRecipientException e) {
1057             return false;
1058         }
1059         return context.getContactHelper().isContactBlocked(recipientId);
1060     }
1061
1062     @Override
1063     public void sendContacts() throws IOException {
1064         context.getSyncHelper().sendContacts();
1065     }
1066
1067     @Override
1068     public List<Recipient> getRecipients(
1069             boolean onlyContacts,
1070             Optional<Boolean> blocked,
1071             Collection<RecipientIdentifier.Single> recipients,
1072             Optional<String> name
1073     ) {
1074         final var recipientIds = recipients.stream().map(a -> {
1075             try {
1076                 return context.getRecipientHelper().resolveRecipient(a);
1077             } catch (UnregisteredRecipientException e) {
1078                 return null;
1079             }
1080         }).filter(Objects::nonNull).collect(Collectors.toSet());
1081         if (!recipients.isEmpty() && recipientIds.isEmpty()) {
1082             return List.of();
1083         }
1084         // refresh profiles of explicitly given recipients
1085         context.getProfileHelper().refreshRecipientProfiles(recipientIds);
1086         return account.getRecipientStore()
1087                 .getRecipients(onlyContacts, blocked, recipientIds, name)
1088                 .stream()
1089                 .map(s -> new Recipient(s.getRecipientId(),
1090                         s.getAddress().toApiRecipientAddress(),
1091                         s.getContact(),
1092                         s.getProfileKey(),
1093                         s.getExpiringProfileKeyCredential(),
1094                         s.getProfile()))
1095                 .toList();
1096     }
1097
1098     @Override
1099     public String getContactOrProfileName(RecipientIdentifier.Single recipient) {
1100         final RecipientId recipientId;
1101         try {
1102             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1103         } catch (UnregisteredRecipientException e) {
1104             return null;
1105         }
1106
1107         final var contact = account.getContactStore().getContact(recipientId);
1108         if (contact != null && !Util.isEmpty(contact.getName())) {
1109             return contact.getName();
1110         }
1111
1112         final var profile = context.getProfileHelper().getRecipientProfile(recipientId);
1113         if (profile != null) {
1114             return profile.getDisplayName();
1115         }
1116
1117         return null;
1118     }
1119
1120     @Override
1121     public Group getGroup(GroupId groupId) {
1122         return toGroup(context.getGroupHelper().getGroup(groupId));
1123     }
1124
1125     @Override
1126     public List<Identity> getIdentities() {
1127         return account.getIdentityKeyStore().getIdentities().stream().map(this::toIdentity).toList();
1128     }
1129
1130     private Identity toIdentity(final IdentityInfo identityInfo) {
1131         if (identityInfo == null) {
1132             return null;
1133         }
1134
1135         final var address = account.getRecipientAddressResolver()
1136                 .resolveRecipientAddress(account.getRecipientResolver().resolveRecipient(identityInfo.getServiceId()));
1137         final var scannableFingerprint = context.getIdentityHelper()
1138                 .computeSafetyNumberForScanning(identityInfo.getServiceId(), identityInfo.getIdentityKey());
1139         return new Identity(address.toApiRecipientAddress(),
1140                 identityInfo.getIdentityKey(),
1141                 context.getIdentityHelper()
1142                         .computeSafetyNumber(identityInfo.getServiceId(), identityInfo.getIdentityKey()),
1143                 scannableFingerprint == null ? null : scannableFingerprint.getSerialized(),
1144                 identityInfo.getTrustLevel(),
1145                 identityInfo.getDateAddedTimestamp());
1146     }
1147
1148     @Override
1149     public List<Identity> getIdentities(RecipientIdentifier.Single recipient) {
1150         ServiceId serviceId;
1151         try {
1152             final var address = account.getRecipientAddressResolver()
1153                     .resolveRecipientAddress(context.getRecipientHelper().resolveRecipient(recipient));
1154             if (address.serviceId().isEmpty()) {
1155                 return List.of();
1156             }
1157             serviceId = address.serviceId().get();
1158         } catch (UnregisteredRecipientException e) {
1159             return List.of();
1160         }
1161         final var identity = account.getIdentityKeyStore().getIdentityInfo(serviceId);
1162         return identity == null ? List.of() : List.of(toIdentity(identity));
1163     }
1164
1165     @Override
1166     public boolean trustIdentityVerified(
1167             RecipientIdentifier.Single recipient, byte[] fingerprint
1168     ) throws UnregisteredRecipientException {
1169         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityVerified(r, fingerprint));
1170     }
1171
1172     @Override
1173     public boolean trustIdentityVerifiedSafetyNumber(
1174             RecipientIdentifier.Single recipient, String safetyNumber
1175     ) throws UnregisteredRecipientException {
1176         return trustIdentity(recipient,
1177                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
1178     }
1179
1180     @Override
1181     public boolean trustIdentityVerifiedSafetyNumber(
1182             RecipientIdentifier.Single recipient, byte[] safetyNumber
1183     ) throws UnregisteredRecipientException {
1184         return trustIdentity(recipient,
1185                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
1186     }
1187
1188     @Override
1189     public boolean trustIdentityAllKeys(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
1190         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityAllKeys(r));
1191     }
1192
1193     private boolean trustIdentity(
1194             RecipientIdentifier.Single recipient, Function<RecipientId, Boolean> trustMethod
1195     ) throws UnregisteredRecipientException {
1196         final var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1197         final var updated = trustMethod.apply(recipientId);
1198         if (updated && this.isReceiving()) {
1199             context.getReceiveHelper().setNeedsToRetryFailedMessages(true);
1200         }
1201         return updated;
1202     }
1203
1204     @Override
1205     public void addAddressChangedListener(final Runnable listener) {
1206         synchronized (addressChangedListeners) {
1207             addressChangedListeners.add(listener);
1208         }
1209     }
1210
1211     @Override
1212     public void addClosedListener(final Runnable listener) {
1213         synchronized (closedListeners) {
1214             closedListeners.add(listener);
1215         }
1216     }
1217
1218     @Override
1219     public InputStream retrieveAttachment(final String id) throws IOException {
1220         return context.getAttachmentHelper().retrieveAttachment(id).getStream();
1221     }
1222
1223     @Override
1224     public void close() {
1225         Thread thread;
1226         synchronized (messageHandlers) {
1227             weakHandlers.clear();
1228             messageHandlers.clear();
1229             thread = receiveThread;
1230             receiveThread = null;
1231         }
1232         if (thread != null) {
1233             stopReceiveThread(thread);
1234         }
1235         executor.shutdown();
1236
1237         dependencies.getSignalWebSocket().disconnect();
1238         disposable.dispose();
1239
1240         if (account != null) {
1241             account.close();
1242         }
1243
1244         synchronized (closedListeners) {
1245             closedListeners.forEach(Runnable::run);
1246             closedListeners.clear();
1247         }
1248
1249         account = null;
1250     }
1251 }