nmode's Git Repositories - signal-cli/blob - lib/src/main/java/org/asamk/signal/manager/internal/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.internal;
  18
  19 import org.asamk.signal.manager.Manager;
  20 import org.asamk.signal.manager.api.AlreadyReceivingException;
  21 import org.asamk.signal.manager.api.AttachmentInvalidException;
  22 import org.asamk.signal.manager.api.Configuration;
  23 import org.asamk.signal.manager.api.Device;
  24 import org.asamk.signal.manager.api.DeviceLinkUrl;
  25 import org.asamk.signal.manager.api.Group;
  26 import org.asamk.signal.manager.api.GroupId;
  27 import org.asamk.signal.manager.api.GroupInviteLinkUrl;
  28 import org.asamk.signal.manager.api.GroupNotFoundException;
  29 import org.asamk.signal.manager.api.GroupSendingNotAllowedException;
  30 import org.asamk.signal.manager.api.Identity;
  31 import org.asamk.signal.manager.api.IdentityVerificationCode;
  32 import org.asamk.signal.manager.api.InactiveGroupLinkException;
  33 import org.asamk.signal.manager.api.InvalidDeviceLinkException;
  34 import org.asamk.signal.manager.api.InvalidStickerException;
  35 import org.asamk.signal.manager.api.InvalidUsernameException;
  36 import org.asamk.signal.manager.api.LastGroupAdminException;
  37 import org.asamk.signal.manager.api.Message;
  38 import org.asamk.signal.manager.api.MessageEnvelope;
  39 import org.asamk.signal.manager.api.NotAGroupMemberException;
  40 import org.asamk.signal.manager.api.NotPrimaryDeviceException;
  41 import org.asamk.signal.manager.api.Pair;
  42 import org.asamk.signal.manager.api.PendingAdminApprovalException;
  43 import org.asamk.signal.manager.api.Profile;
  44 import org.asamk.signal.manager.api.ReceiveConfig;
  45 import org.asamk.signal.manager.api.Recipient;
  46 import org.asamk.signal.manager.api.RecipientIdentifier;
  47 import org.asamk.signal.manager.api.SendGroupMessageResults;
  48 import org.asamk.signal.manager.api.SendMessageResult;
  49 import org.asamk.signal.manager.api.SendMessageResults;
  50 import org.asamk.signal.manager.api.StickerPackId;
  51 import org.asamk.signal.manager.api.StickerPackInvalidException;
  52 import org.asamk.signal.manager.api.StickerPackUrl;
  53 import org.asamk.signal.manager.api.TextStyle;
  54 import org.asamk.signal.manager.api.TypingAction;
  55 import org.asamk.signal.manager.api.UnregisteredRecipientException;
  56 import org.asamk.signal.manager.api.UpdateGroup;
  57 import org.asamk.signal.manager.api.UpdateProfile;
  58 import org.asamk.signal.manager.api.UserStatus;
  59 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  60 import org.asamk.signal.manager.helper.AccountFileUpdater;
  61 import org.asamk.signal.manager.helper.Context;
  62 import org.asamk.signal.manager.storage.AttachmentStore;
  63 import org.asamk.signal.manager.storage.AvatarStore;
  64 import org.asamk.signal.manager.storage.SignalAccount;
  65 import org.asamk.signal.manager.storage.groups.GroupInfo;
  66 import org.asamk.signal.manager.storage.identities.IdentityInfo;
  67 import org.asamk.signal.manager.storage.recipients.RecipientId;
  68 import org.asamk.signal.manager.storage.stickerPacks.JsonStickerPack;
  69 import org.asamk.signal.manager.storage.stickerPacks.StickerPackStore;
  70 import org.asamk.signal.manager.storage.stickers.StickerPack;
  71 import org.asamk.signal.manager.util.AttachmentUtils;
  72 import org.asamk.signal.manager.util.KeyUtils;
  73 import org.asamk.signal.manager.util.MimeUtils;
  74 import org.asamk.signal.manager.util.StickerUtils;
  75 import org.signal.libsignal.usernames.BaseUsernameException;
  76 import org.slf4j.Logger;
  77 import org.slf4j.LoggerFactory;
  78 import org.whispersystems.signalservice.api.SignalSessionLock;
  79 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
  80 import org.whispersystems.signalservice.api.messages.SignalServicePreview;
  81 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
  82 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
  83 import org.whispersystems.signalservice.api.push.ServiceId;
  84 import org.whispersystems.signalservice.api.push.ServiceId.ACI;
  85 import org.whispersystems.signalservice.api.push.ServiceIdType;
  86 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  87 import org.whispersystems.signalservice.api.util.InvalidNumberException;
  88 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  89 import org.whispersystems.signalservice.api.util.StreamDetails;
  90 import org.whispersystems.signalservice.internal.util.Hex;
  91 import org.whispersystems.signalservice.internal.util.Util;
  92
  93 import java.io.ByteArrayInputStream;
  94 import java.io.File;
  95 import java.io.IOException;
  96 import java.io.InputStream;
  97 import java.nio.charset.StandardCharsets;
  98 import java.time.Duration;
  99 import java.util.ArrayList;
 100 import java.util.Collection;
 101 import java.util.HashMap;
 102 import java.util.HashSet;
 103 import java.util.List;
 104 import java.util.Map;
 105 import java.util.Objects;
 106 import java.util.Optional;
 107 import java.util.Set;
 108 import java.util.concurrent.ExecutorService;
 109 import java.util.concurrent.Executors;
 110 import java.util.concurrent.atomic.AtomicInteger;
 111 import java.util.concurrent.locks.ReentrantLock;
 112 import java.util.function.Function;
 113 import java.util.stream.Collectors;
 114 import java.util.stream.Stream;
 115
 116 import io.reactivex.rxjava3.disposables.CompositeDisposable;
 117
 118 public class ManagerImpl implements Manager {
 119
 120     private final static Logger logger = LoggerFactory.getLogger(ManagerImpl.class);
 121
 122     private SignalAccount account;
 123     private final SignalDependencies dependencies;
 124     private final Context context;
 125
 126     private final ExecutorService executor = Executors.newCachedThreadPool();
 127
 128     private Thread receiveThread;
 129     private boolean isReceivingSynchronous;
 130     private final Set<ReceiveMessageHandler> weakHandlers = new HashSet<>();
 131     private final Set<ReceiveMessageHandler> messageHandlers = new HashSet<>();
 132     private final List<Runnable> closedListeners = new ArrayList<>();
 133     private final List<Runnable> addressChangedListeners = new ArrayList<>();
 134     private final CompositeDisposable disposable = new CompositeDisposable();
 135
 136     public ManagerImpl(
 137             SignalAccount account,
 138             PathConfig pathConfig,
 139             AccountFileUpdater accountFileUpdater,
 140             ServiceEnvironmentConfig serviceEnvironmentConfig,
 141             String userAgent
 142     ) {
 143         this.account = account;
 144
 145         final var sessionLock = new SignalSessionLock() {
 146             private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 147
 148             @Override
 149             public Lock acquire() {
 150                 LEGACY_LOCK.lock();
 151                 return LEGACY_LOCK::unlock;
 152             }
 153         };
 154         this.dependencies = new SignalDependencies(serviceEnvironmentConfig,
 155                 userAgent,
 156                 account.getCredentialsProvider(),
 157                 account.getSignalServiceDataStore(),
 158                 executor,
 159                 sessionLock);
 160         final var avatarStore = new AvatarStore(pathConfig.avatarsPath());
 161         final var attachmentStore = new AttachmentStore(pathConfig.attachmentsPath());
 162         final var stickerPackStore = new StickerPackStore(pathConfig.stickerPacksPath());
 163
 164         this.context = new Context(account, new AccountFileUpdater() {
 165             @Override
 166             public void updateAccountIdentifiers(final String number, final ACI aci) {
 167                 accountFileUpdater.updateAccountIdentifiers(number, aci);
 168                 synchronized (addressChangedListeners) {
 169                     addressChangedListeners.forEach(Runnable::run);
 170                 }
 171             }
 172
 173             @Override
 174             public void removeAccount() {
 175                 accountFileUpdater.removeAccount();
 176             }
 177         }, dependencies, avatarStore, attachmentStore, stickerPackStore);
 178         this.context.getAccountHelper().setUnregisteredListener(this::close);
 179         this.context.getReceiveHelper().setAuthenticationFailureListener(this::close);
 180         this.context.getReceiveHelper().setCaughtUpWithOldMessagesListener(() -> {
 181             synchronized (this) {
 182                 this.notifyAll();
 183             }
 184         });
 185         disposable.add(account.getIdentityKeyStore().getIdentityChanges().subscribe(serviceId -> {
 186             logger.trace("Archiving old sessions for {}", serviceId);
 187             account.getAccountData(ServiceIdType.ACI).getSessionStore().archiveSessions(serviceId);
 188             account.getAccountData(ServiceIdType.PNI).getSessionStore().archiveSessions(serviceId);
 189             account.getSenderKeyStore().deleteSharedWith(serviceId);
 190             final var recipientId = account.getRecipientResolver().resolveRecipient(serviceId);
 191             final var profile = account.getProfileStore().getProfile(recipientId);
 192             if (profile != null) {
 193                 account.getProfileStore()
 194                         .storeProfile(recipientId,
 195                                 Profile.newBuilder(profile)
 196                                         .withUnidentifiedAccessMode(Profile.UnidentifiedAccessMode.UNKNOWN)
 197                                         .withLastUpdateTimestamp(0)
 198                                         .build());
 199             }
 200         }));
 201     }
 202
 203     @Override
 204     public String getSelfNumber() {
 205         return account.getNumber();
 206     }
 207
 208     public void checkAccountState() throws IOException {
 209         context.getAccountHelper().checkAccountState();
 210     }
 211
 212     @Override
 213     public Map<String, UserStatus> getUserStatus(Set<String> numbers) throws IOException {
 214         final var canonicalizedNumbers = numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 215             try {
 216                 final var canonicalizedNumber = PhoneNumberFormatter.formatNumber(n, account.getNumber());
 217                 if (!canonicalizedNumber.equals(n)) {
 218                     logger.debug("Normalized number {} to {}.", n, canonicalizedNumber);
 219                 }
 220                 return canonicalizedNumber;
 221             } catch (InvalidNumberException e) {
 222                 return "";
 223             }
 224         }));
 225
 226         // Note "registeredUsers" has no optionals. It only gives us info on users who are registered
 227         final var canonicalizedNumbersSet = canonicalizedNumbers.values()
 228                 .stream()
 229                 .filter(s -> !s.isEmpty())
 230                 .collect(Collectors.toSet());
 231         final var registeredUsers = context.getRecipientHelper().getRegisteredUsers(canonicalizedNumbersSet);
 232
 233         return numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 234             final var number = canonicalizedNumbers.get(n);
 235             final var user = registeredUsers.get(number);
 236             final var serviceId = user == null ? null : user.getServiceId();
 237             final var profile = serviceId == null
 238                     ? null
 239                     : context.getProfileHelper()
 240                             .getRecipientProfile(account.getRecipientResolver().resolveRecipient(serviceId));
 241             return new UserStatus(number.isEmpty() ? null : number,
 242                     serviceId == null ? null : serviceId.getRawUuid(),
 243                     profile != null
 244                             && profile.getUnidentifiedAccessMode() == Profile.UnidentifiedAccessMode.UNRESTRICTED);
 245         }));
 246     }
 247
 248     @Override
 249     public void updateAccountAttributes(String deviceName) throws IOException {
 250         if (deviceName != null) {
 251             context.getAccountHelper().setDeviceName(deviceName);
 252         }
 253         context.getAccountHelper().updateAccountAttributes();
 254         context.getAccountHelper().checkWhoAmiI();
 255     }
 256
 257     @Override
 258     public Configuration getConfiguration() {
 259         final var configurationStore = account.getConfigurationStore();
 260         return Configuration.from(configurationStore);
 261     }
 262
 263     @Override
 264     public void updateConfiguration(
 265             Configuration configuration
 266     ) throws NotPrimaryDeviceException {
 267         if (!account.isPrimaryDevice()) {
 268             throw new NotPrimaryDeviceException();
 269         }
 270
 271         final var configurationStore = account.getConfigurationStore();
 272         if (configuration.readReceipts().isPresent()) {
 273             configurationStore.setReadReceipts(configuration.readReceipts().get());
 274         }
 275         if (configuration.unidentifiedDeliveryIndicators().isPresent()) {
 276             configurationStore.setUnidentifiedDeliveryIndicators(configuration.unidentifiedDeliveryIndicators().get());
 277         }
 278         if (configuration.typingIndicators().isPresent()) {
 279             configurationStore.setTypingIndicators(configuration.typingIndicators().get());
 280         }
 281         if (configuration.linkPreviews().isPresent()) {
 282             configurationStore.setLinkPreviews(configuration.linkPreviews().get());
 283         }
 284         context.getSyncHelper().sendConfigurationMessage();
 285     }
 286
 287     @Override
 288     public void updateProfile(UpdateProfile updateProfile) throws IOException {
 289         context.getProfileHelper()
 290                 .setProfile(updateProfile.getGivenName(),
 291                         updateProfile.getFamilyName(),
 292                         updateProfile.getAbout(),
 293                         updateProfile.getAboutEmoji(),
 294                         updateProfile.isDeleteAvatar()
 295                                 ? Optional.empty()
 296                                 : updateProfile.getAvatar() == null ? null : Optional.of(updateProfile.getAvatar()),
 297                         updateProfile.getMobileCoinAddress());
 298         context.getSyncHelper().sendSyncFetchProfileMessage();
 299     }
 300
 301     void refreshCurrentUsername() throws IOException, BaseUsernameException {
 302         context.getAccountHelper().refreshCurrentUsername();
 303     }
 304
 305     @Override
 306     public String setUsername(final String username) throws IOException, InvalidUsernameException {
 307         try {
 308             return context.getAccountHelper().reserveUsername(username);
 309         } catch (BaseUsernameException e) {
 310             throw new InvalidUsernameException(e.getMessage() + " (" + e.getClass().getSimpleName() + ")", e);
 311         }
 312     }
 313
 314     @Override
 315     public void deleteUsername() throws IOException {
 316         context.getAccountHelper().deleteUsername();
 317     }
 318
 319     @Override
 320     public void unregister() throws IOException {
 321         context.getAccountHelper().unregister();
 322     }
 323
 324     @Override
 325     public void deleteAccount() throws IOException {
 326         context.getAccountHelper().deleteAccount();
 327     }
 328
 329     @Override
 330     public void submitRateLimitRecaptchaChallenge(String challenge, String captcha) throws IOException {
 331         captcha = captcha == null ? null : captcha.replace("signalcaptcha://", "");
 332
 333         dependencies.getAccountManager().submitRateLimitRecaptchaChallenge(challenge, captcha);
 334     }
 335
 336     @Override
 337     public List<Device> getLinkedDevices() throws IOException {
 338         var devices = dependencies.getAccountManager().getDevices();
 339         account.setMultiDevice(devices.size() > 1);
 340         var identityKey = account.getAciIdentityKeyPair().getPrivateKey();
 341         return devices.stream().map(d -> {
 342             String deviceName = d.getName();
 343             if (deviceName != null) {
 344                 try {
 345                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 346                 } catch (IOException e) {
 347                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 348                 }
 349             }
 350             return new Device(d.getId(),
 351                     deviceName,
 352                     d.getCreated(),
 353                     d.getLastSeen(),
 354                     d.getId() == account.getDeviceId());
 355         }).toList();
 356     }
 357
 358     @Override
 359     public void removeLinkedDevices(int deviceId) throws IOException {
 360         context.getAccountHelper().removeLinkedDevices(deviceId);
 361     }
 362
 363     @Override
 364     public void addDeviceLink(DeviceLinkUrl linkUrl) throws IOException, InvalidDeviceLinkException {
 365         context.getAccountHelper().addDevice(linkUrl);
 366     }
 367
 368     @Override
 369     public void setRegistrationLockPin(Optional<String> pin) throws IOException, NotPrimaryDeviceException {
 370         if (!account.isPrimaryDevice()) {
 371             throw new NotPrimaryDeviceException();
 372         }
 373         if (pin.isPresent()) {
 374             context.getAccountHelper().setRegistrationPin(pin.get());
 375         } else {
 376             context.getAccountHelper().removeRegistrationPin();
 377         }
 378     }
 379
 380     void refreshPreKeys() throws IOException {
 381         context.getPreKeyHelper().refreshPreKeysIfNecessary();
 382     }
 383
 384     @Override
 385     public List<Group> getGroups() {
 386         return account.getGroupStore().getGroups().stream().map(this::toGroup).toList();
 387     }
 388
 389     private Group toGroup(final GroupInfo groupInfo) {
 390         if (groupInfo == null) {
 391             return null;
 392         }
 393
 394         return Group.from(groupInfo, account.getRecipientAddressResolver(), account.getSelfRecipientId());
 395     }
 396
 397     @Override
 398     public SendGroupMessageResults quitGroup(
 399             GroupId groupId, Set<RecipientIdentifier.Single> groupAdmins
 400     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, LastGroupAdminException, UnregisteredRecipientException {
 401         final var newAdmins = context.getRecipientHelper().resolveRecipients(groupAdmins);
 402         return context.getGroupHelper().quitGroup(groupId, newAdmins);
 403     }
 404
 405     @Override
 406     public void deleteGroup(GroupId groupId) throws IOException {
 407         final var group = context.getGroupHelper().getGroup(groupId);
 408         if (group.isMember(account.getSelfRecipientId())) {
 409             throw new IOException(
 410                     "The local group information cannot be removed, as the user is still a member of the group");
 411         }
 412         context.getGroupHelper().deleteGroup(groupId);
 413     }
 414
 415     @Override
 416     public Pair<GroupId, SendGroupMessageResults> createGroup(
 417             String name, Set<RecipientIdentifier.Single> members, String avatarFile
 418     ) throws IOException, AttachmentInvalidException, UnregisteredRecipientException {
 419         return context.getGroupHelper()
 420                 .createGroup(name,
 421                         members == null ? null : context.getRecipientHelper().resolveRecipients(members),
 422                         avatarFile);
 423     }
 424
 425     @Override
 426     public SendGroupMessageResults updateGroup(
 427             final GroupId groupId, final UpdateGroup updateGroup
 428     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 429         return context.getGroupHelper()
 430                 .updateGroup(groupId,
 431                         updateGroup.getName(),
 432                         updateGroup.getDescription(),
 433                         updateGroup.getMembers() == null
 434                                 ? null
 435                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getMembers()),
 436                         updateGroup.getRemoveMembers() == null
 437                                 ? null
 438                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveMembers()),
 439                         updateGroup.getAdmins() == null
 440                                 ? null
 441                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getAdmins()),
 442                         updateGroup.getRemoveAdmins() == null
 443                                 ? null
 444                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveAdmins()),
 445                         updateGroup.getBanMembers() == null
 446                                 ? null
 447                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getBanMembers()),
 448                         updateGroup.getUnbanMembers() == null
 449                                 ? null
 450                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getUnbanMembers()),
 451                         updateGroup.isResetGroupLink(),
 452                         updateGroup.getGroupLinkState(),
 453                         updateGroup.getAddMemberPermission(),
 454                         updateGroup.getEditDetailsPermission(),
 455                         updateGroup.getAvatarFile(),
 456                         updateGroup.getExpirationTimer(),
 457                         updateGroup.getIsAnnouncementGroup());
 458     }
 459
 460     @Override
 461     public Pair<GroupId, SendGroupMessageResults> joinGroup(
 462             GroupInviteLinkUrl inviteLinkUrl
 463     ) throws IOException, InactiveGroupLinkException, PendingAdminApprovalException {
 464         return context.getGroupHelper().joinGroup(inviteLinkUrl);
 465     }
 466
 467     private SendMessageResults sendMessage(
 468             SignalServiceDataMessage.Builder messageBuilder, Set<RecipientIdentifier> recipients
 469     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 470         return sendMessage(messageBuilder, recipients, Optional.empty());
 471     }
 472
 473     private SendMessageResults sendMessage(
 474             SignalServiceDataMessage.Builder messageBuilder,
 475             Set<RecipientIdentifier> recipients,
 476             Optional<Long> editTargetTimestamp
 477     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 478         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 479         long timestamp = System.currentTimeMillis();
 480         messageBuilder.withTimestamp(timestamp);
 481         for (final var recipient : recipients) {
 482             if (recipient instanceof RecipientIdentifier.Single single) {
 483                 try {
 484                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 485                     final var result = context.getSendHelper()
 486                             .sendMessage(messageBuilder, recipientId, editTargetTimestamp);
 487                     results.put(recipient, List.of(toSendMessageResult(result)));
 488                 } catch (UnregisteredRecipientException e) {
 489                     results.put(recipient,
 490                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 491                 }
 492             } else if (recipient instanceof RecipientIdentifier.NoteToSelf) {
 493                 final var result = context.getSendHelper().sendSelfMessage(messageBuilder, editTargetTimestamp);
 494                 results.put(recipient, List.of(toSendMessageResult(result)));
 495             } else if (recipient instanceof RecipientIdentifier.Group group) {
 496                 final var result = context.getSendHelper()
 497                         .sendAsGroupMessage(messageBuilder, group.groupId(), editTargetTimestamp);
 498                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 499             }
 500         }
 501         return new SendMessageResults(timestamp, results);
 502     }
 503
 504     private SendMessageResult toSendMessageResult(final org.whispersystems.signalservice.api.messages.SendMessageResult result) {
 505         return SendMessageResult.from(result, account.getRecipientResolver(), account.getRecipientAddressResolver());
 506     }
 507
 508     private SendMessageResults sendTypingMessage(
 509             SignalServiceTypingMessage.Action action, Set<RecipientIdentifier> recipients
 510     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 511         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 512         final var timestamp = System.currentTimeMillis();
 513         for (var recipient : recipients) {
 514             if (recipient instanceof RecipientIdentifier.Single single) {
 515                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.empty());
 516                 try {
 517                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 518                     final var result = context.getSendHelper().sendTypingMessage(message, recipientId);
 519                     results.put(recipient, List.of(toSendMessageResult(result)));
 520                 } catch (UnregisteredRecipientException e) {
 521                     results.put(recipient,
 522                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 523                 }
 524             } else if (recipient instanceof RecipientIdentifier.Group) {
 525                 final var groupId = ((RecipientIdentifier.Group) recipient).groupId();
 526                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.of(groupId.serialize()));
 527                 final var result = context.getSendHelper().sendGroupTypingMessage(message, groupId);
 528                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 529             }
 530         }
 531         return new SendMessageResults(timestamp, results);
 532     }
 533
 534     @Override
 535     public SendMessageResults sendTypingMessage(
 536             TypingAction action, Set<RecipientIdentifier> recipients
 537     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 538         return sendTypingMessage(action.toSignalService(), recipients);
 539     }
 540
 541     @Override
 542     public SendMessageResults sendReadReceipt(
 543             RecipientIdentifier.Single sender, List<Long> messageIds
 544     ) {
 545         final var timestamp = System.currentTimeMillis();
 546         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.READ,
 547                 messageIds,
 548                 timestamp);
 549
 550         return sendReceiptMessage(sender, timestamp, receiptMessage);
 551     }
 552
 553     @Override
 554     public SendMessageResults sendViewedReceipt(
 555             RecipientIdentifier.Single sender, List<Long> messageIds
 556     ) {
 557         final var timestamp = System.currentTimeMillis();
 558         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.VIEWED,
 559                 messageIds,
 560                 timestamp);
 561
 562         return sendReceiptMessage(sender, timestamp, receiptMessage);
 563     }
 564
 565     private SendMessageResults sendReceiptMessage(
 566             final RecipientIdentifier.Single sender,
 567             final long timestamp,
 568             final SignalServiceReceiptMessage receiptMessage
 569     ) {
 570         try {
 571             final var result = context.getSendHelper()
 572                     .sendReceiptMessage(receiptMessage, context.getRecipientHelper().resolveRecipient(sender));
 573             return new SendMessageResults(timestamp, Map.of(sender, List.of(toSendMessageResult(result))));
 574         } catch (UnregisteredRecipientException e) {
 575             return new SendMessageResults(timestamp,
 576                     Map.of(sender, List.of(SendMessageResult.unregisteredFailure(sender.toPartialRecipientAddress()))));
 577         }
 578     }
 579
 580     @Override
 581     public SendMessageResults sendMessage(
 582             Message message, Set<RecipientIdentifier> recipients
 583     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 584         final var selfProfile = context.getProfileHelper().getSelfProfile();
 585         if (selfProfile == null || selfProfile.getDisplayName().isEmpty()) {
 586             logger.warn(
 587                     "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.");
 588         }
 589         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 590         applyMessage(messageBuilder, message);
 591         return sendMessage(messageBuilder, recipients);
 592     }
 593
 594     @Override
 595     public SendMessageResults sendEditMessage(
 596             Message message, Set<RecipientIdentifier> recipients, long editTargetTimestamp
 597     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 598         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 599         applyMessage(messageBuilder, message);
 600         return sendMessage(messageBuilder, recipients, Optional.of(editTargetTimestamp));
 601     }
 602
 603     private void applyMessage(
 604             final SignalServiceDataMessage.Builder messageBuilder, final Message message
 605     ) throws AttachmentInvalidException, IOException, UnregisteredRecipientException, InvalidStickerException {
 606         if (message.messageText().length() > 2000) {
 607             final var messageBytes = message.messageText().getBytes(StandardCharsets.UTF_8);
 608             final var textAttachment = AttachmentUtils.createAttachmentStream(new StreamDetails(new ByteArrayInputStream(
 609                     messageBytes), MimeUtils.LONG_TEXT, messageBytes.length), Optional.empty());
 610             messageBuilder.withBody(message.messageText().substring(0, 2000));
 611             messageBuilder.withAttachment(context.getAttachmentHelper().uploadAttachment(textAttachment));
 612         } else {
 613             messageBuilder.withBody(message.messageText());
 614         }
 615         if (message.attachments().size() > 0) {
 616             messageBuilder.withAttachments(context.getAttachmentHelper().uploadAttachments(message.attachments()));
 617         }
 618         if (message.mentions().size() > 0) {
 619             messageBuilder.withMentions(resolveMentions(message.mentions()));
 620         }
 621         if (message.textStyles().size() > 0) {
 622             messageBuilder.withBodyRanges(message.textStyles().stream().map(TextStyle::toBodyRange).toList());
 623         }
 624         if (message.quote().isPresent()) {
 625             final var quote = message.quote().get();
 626             messageBuilder.withQuote(new SignalServiceDataMessage.Quote(quote.timestamp(),
 627                     context.getRecipientHelper()
 628                             .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(quote.author()))
 629                             .getServiceId(),
 630                     quote.message(),
 631                     List.of(),
 632                     resolveMentions(quote.mentions()),
 633                     SignalServiceDataMessage.Quote.Type.NORMAL,
 634                     quote.textStyles().stream().map(TextStyle::toBodyRange).toList()));
 635         }
 636         if (message.sticker().isPresent()) {
 637             final var sticker = message.sticker().get();
 638             final var packId = StickerPackId.deserialize(sticker.packId());
 639             final var stickerId = sticker.stickerId();
 640
 641             final var stickerPack = context.getAccount().getStickerStore().getStickerPack(packId);
 642             if (stickerPack == null) {
 643                 throw new InvalidStickerException("Sticker pack not found");
 644             }
 645             final var manifest = context.getStickerHelper().getOrRetrieveStickerPack(packId, stickerPack.packKey());
 646             if (manifest.stickers().size() <= stickerId) {
 647                 throw new InvalidStickerException("Sticker id not part of this pack");
 648             }
 649             final var manifestSticker = manifest.stickers().get(stickerId);
 650             final var streamDetails = context.getStickerPackStore().retrieveSticker(packId, stickerId);
 651             if (streamDetails == null) {
 652                 throw new InvalidStickerException("Missing local sticker file");
 653             }
 654             messageBuilder.withSticker(new SignalServiceDataMessage.Sticker(packId.serialize(),
 655                     stickerPack.packKey(),
 656                     stickerId,
 657                     manifestSticker.emoji(),
 658                     AttachmentUtils.createAttachmentStream(streamDetails, Optional.empty())));
 659         }
 660         if (message.previews().size() > 0) {
 661             final var previews = new ArrayList<SignalServicePreview>(message.previews().size());
 662             for (final var p : message.previews()) {
 663                 final var image = p.image().isPresent() ? context.getAttachmentHelper()
 664                         .uploadAttachment(p.image().get()) : null;
 665                 previews.add(new SignalServicePreview(p.url(),
 666                         p.title(),
 667                         p.description(),
 668                         0,
 669                         Optional.ofNullable(image)));
 670             }
 671             messageBuilder.withPreviews(previews);
 672         }
 673         if (message.storyReply().isPresent()) {
 674             final var storyReply = message.storyReply().get();
 675             final var authorServiceId = context.getRecipientHelper()
 676                     .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(storyReply.author()))
 677                     .getServiceId();
 678             messageBuilder.withStoryContext(new SignalServiceDataMessage.StoryContext(authorServiceId,
 679                     storyReply.timestamp()));
 680         }
 681     }
 682
 683     private ArrayList<SignalServiceDataMessage.Mention> resolveMentions(final List<Message.Mention> mentionList) throws UnregisteredRecipientException {
 684         final var mentions = new ArrayList<SignalServiceDataMessage.Mention>();
 685         for (final var m : mentionList) {
 686             final var recipientId = context.getRecipientHelper().resolveRecipient(m.recipient());
 687             mentions.add(new SignalServiceDataMessage.Mention(context.getRecipientHelper()
 688                     .resolveSignalServiceAddress(recipientId)
 689                     .getServiceId(), m.start(), m.length()));
 690         }
 691         return mentions;
 692     }
 693
 694     @Override
 695     public SendMessageResults sendRemoteDeleteMessage(
 696             long targetSentTimestamp, Set<RecipientIdentifier> recipients
 697     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 698         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
 699         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
 700         for (final var recipient : recipients) {
 701             if (recipient instanceof RecipientIdentifier.Uuid u) {
 702                 account.getMessageSendLogStore()
 703                         .deleteEntryForRecipientNonGroup(targetSentTimestamp, ACI.from(u.uuid()));
 704             } else if (recipient instanceof RecipientIdentifier.Single r) {
 705                 try {
 706                     final var recipientId = context.getRecipientHelper().resolveRecipient(r);
 707                     final var address = account.getRecipientAddressResolver().resolveRecipientAddress(recipientId);
 708                     if (address.serviceId().isPresent()) {
 709                         account.getMessageSendLogStore()
 710                                 .deleteEntryForRecipientNonGroup(targetSentTimestamp, address.serviceId().get());
 711                     }
 712                 } catch (UnregisteredRecipientException ignored) {
 713                 }
 714             } else if (recipient instanceof RecipientIdentifier.Group r) {
 715                 account.getMessageSendLogStore().deleteEntryForGroup(targetSentTimestamp, r.groupId());
 716             }
 717         }
 718         return sendMessage(messageBuilder, recipients);
 719     }
 720
 721     @Override
 722     public SendMessageResults sendMessageReaction(
 723             String emoji,
 724             boolean remove,
 725             RecipientIdentifier.Single targetAuthor,
 726             long targetSentTimestamp,
 727             Set<RecipientIdentifier> recipients,
 728             final boolean isStory
 729     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 730         var targetAuthorRecipientId = context.getRecipientHelper().resolveRecipient(targetAuthor);
 731         final var authorServiceId = context.getRecipientHelper()
 732                 .resolveSignalServiceAddress(targetAuthorRecipientId)
 733                 .getServiceId();
 734         var reaction = new SignalServiceDataMessage.Reaction(emoji, remove, authorServiceId, targetSentTimestamp);
 735         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 736         if (isStory) {
 737             messageBuilder.withStoryContext(new SignalServiceDataMessage.StoryContext(authorServiceId,
 738                     targetSentTimestamp));
 739         }
 740         return sendMessage(messageBuilder, recipients);
 741     }
 742
 743     @Override
 744     public SendMessageResults sendPaymentNotificationMessage(
 745             byte[] receipt, String note, RecipientIdentifier.Single recipient
 746     ) throws IOException {
 747         final var paymentNotification = new SignalServiceDataMessage.PaymentNotification(receipt, note);
 748         final var payment = new SignalServiceDataMessage.Payment(paymentNotification, null);
 749         final var messageBuilder = SignalServiceDataMessage.newBuilder().withPayment(payment);
 750         try {
 751             return sendMessage(messageBuilder, Set.of(recipient));
 752         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 753             throw new AssertionError(e);
 754         }
 755     }
 756
 757     @Override
 758     public SendMessageResults sendEndSessionMessage(Set<RecipientIdentifier.Single> recipients) throws IOException {
 759         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
 760
 761         try {
 762             return sendMessage(messageBuilder,
 763                     recipients.stream().map(RecipientIdentifier.class::cast).collect(Collectors.toSet()));
 764         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 765             throw new AssertionError(e);
 766         } finally {
 767             for (var recipient : recipients) {
 768                 final RecipientId recipientId;
 769                 try {
 770                     recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 771                 } catch (UnregisteredRecipientException e) {
 772                     continue;
 773                 }
 774                 final var serviceId = context.getAccount()
 775                         .getRecipientAddressResolver()
 776                         .resolveRecipientAddress(recipientId)
 777                         .serviceId();
 778                 if (serviceId.isPresent()) {
 779                     account.getAccountData(ServiceIdType.ACI).getSessionStore().deleteAllSessions(serviceId.get());
 780                 }
 781             }
 782         }
 783     }
 784
 785     @Override
 786     public void deleteRecipient(final RecipientIdentifier.Single recipient) {
 787         final var recipientIdOptional = context.getRecipientHelper().resolveRecipientOptional(recipient);
 788         if (recipientIdOptional.isPresent()) {
 789             account.removeRecipient(recipientIdOptional.get());
 790         }
 791     }
 792
 793     @Override
 794     public void deleteContact(final RecipientIdentifier.Single recipient) {
 795         final var recipientIdOptional = context.getRecipientHelper().resolveRecipientOptional(recipient);
 796         if (recipientIdOptional.isPresent()) {
 797             account.getContactStore().deleteContact(recipientIdOptional.get());
 798         }
 799     }
 800
 801     @Override
 802     public void setContactName(
 803             RecipientIdentifier.Single recipient, String givenName, final String familyName
 804     ) throws NotPrimaryDeviceException, UnregisteredRecipientException {
 805         if (!account.isPrimaryDevice()) {
 806             throw new NotPrimaryDeviceException();
 807         }
 808         context.getContactHelper()
 809                 .setContactName(context.getRecipientHelper().resolveRecipient(recipient), givenName, familyName);
 810     }
 811
 812     @Override
 813     public void setContactsBlocked(
 814             Collection<RecipientIdentifier.Single> recipients, boolean blocked
 815     ) throws NotPrimaryDeviceException, IOException, UnregisteredRecipientException {
 816         if (!account.isPrimaryDevice()) {
 817             throw new NotPrimaryDeviceException();
 818         }
 819         if (recipients.size() == 0) {
 820             return;
 821         }
 822         final var recipientIds = context.getRecipientHelper().resolveRecipients(recipients);
 823         final var selfRecipientId = account.getSelfRecipientId();
 824         boolean shouldRotateProfileKey = false;
 825         for (final var recipientId : recipientIds) {
 826             if (context.getContactHelper().isContactBlocked(recipientId) == blocked) {
 827                 continue;
 828             }
 829             context.getContactHelper().setContactBlocked(recipientId, blocked);
 830             // if we don't have a common group with the blocked contact we need to rotate the profile key
 831             shouldRotateProfileKey = blocked && (
 832                     shouldRotateProfileKey || account.getGroupStore()
 833                             .getGroups()
 834                             .stream()
 835                             .noneMatch(g -> g.isMember(selfRecipientId) && g.isMember(recipientId))
 836             );
 837         }
 838         if (shouldRotateProfileKey) {
 839             context.getProfileHelper().rotateProfileKey();
 840         }
 841         context.getSyncHelper().sendBlockedList();
 842     }
 843
 844     @Override
 845     public void setGroupsBlocked(
 846             final Collection<GroupId> groupIds, final boolean blocked
 847     ) throws GroupNotFoundException, NotPrimaryDeviceException, IOException {
 848         if (!account.isPrimaryDevice()) {
 849             throw new NotPrimaryDeviceException();
 850         }
 851         if (groupIds.size() == 0) {
 852             return;
 853         }
 854         boolean shouldRotateProfileKey = false;
 855         for (final var groupId : groupIds) {
 856             if (context.getGroupHelper().isGroupBlocked(groupId) == blocked) {
 857                 continue;
 858             }
 859             context.getGroupHelper().setGroupBlocked(groupId, blocked);
 860             shouldRotateProfileKey = blocked;
 861         }
 862         if (shouldRotateProfileKey) {
 863             context.getProfileHelper().rotateProfileKey();
 864         }
 865         context.getSyncHelper().sendBlockedList();
 866     }
 867
 868     @Override
 869     public void setExpirationTimer(
 870             RecipientIdentifier.Single recipient, int messageExpirationTimer
 871     ) throws IOException, UnregisteredRecipientException {
 872         var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 873         context.getContactHelper().setExpirationTimer(recipientId, messageExpirationTimer);
 874         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
 875         try {
 876             sendMessage(messageBuilder, Set.of(recipient));
 877         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 878             throw new AssertionError(e);
 879         }
 880     }
 881
 882     @Override
 883     public StickerPackUrl uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
 884         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
 885
 886         var messageSender = dependencies.getMessageSender();
 887
 888         var packKey = KeyUtils.createStickerUploadKey();
 889         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
 890         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
 891
 892         var sticker = new StickerPack(packId, packKey);
 893         account.getStickerStore().addStickerPack(sticker);
 894
 895         return new StickerPackUrl(packId, packKey);
 896     }
 897
 898     @Override
 899     public List<org.asamk.signal.manager.api.StickerPack> getStickerPacks() {
 900         final var stickerPackStore = context.getStickerPackStore();
 901         return account.getStickerStore().getStickerPacks().stream().map(pack -> {
 902             if (stickerPackStore.existsStickerPack(pack.packId())) {
 903                 try {
 904                     final var manifest = stickerPackStore.retrieveManifest(pack.packId());
 905                     return new org.asamk.signal.manager.api.StickerPack(pack.packId(),
 906                             new StickerPackUrl(pack.packId(), pack.packKey()),
 907                             pack.isInstalled(),
 908                             manifest.title(),
 909                             manifest.author(),
 910                             Optional.ofNullable(manifest.cover() == null ? null : manifest.cover().toApi()),
 911                             manifest.stickers().stream().map(JsonStickerPack.JsonSticker::toApi).toList());
 912                 } catch (Exception e) {
 913                     logger.warn("Failed to read local sticker pack manifest: {}", e.getMessage(), e);
 914                 }
 915             }
 916
 917             return new org.asamk.signal.manager.api.StickerPack(pack.packId(), pack.packKey(), pack.isInstalled());
 918         }).toList();
 919     }
 920
 921     @Override
 922     public void requestAllSyncData() throws IOException {
 923         context.getSyncHelper().requestAllSyncData();
 924         retrieveRemoteStorage();
 925     }
 926
 927     void retrieveRemoteStorage() throws IOException {
 928         context.getStorageHelper().readDataFromStorage();
 929     }
 930
 931     @Override
 932     public void addReceiveHandler(final ReceiveMessageHandler handler, final boolean isWeakListener) {
 933         synchronized (messageHandlers) {
 934             if (isWeakListener) {
 935                 weakHandlers.add(handler);
 936             } else {
 937                 messageHandlers.add(handler);
 938                 startReceiveThreadIfRequired();
 939             }
 940         }
 941     }
 942
 943     private static final AtomicInteger threadNumber = new AtomicInteger(0);
 944
 945     private void startReceiveThreadIfRequired() {
 946         if (receiveThread != null || isReceivingSynchronous) {
 947             return;
 948         }
 949         receiveThread = new Thread(() -> {
 950             logger.debug("Starting receiving messages");
 951             context.getReceiveHelper().receiveMessagesContinuously(this::passReceivedMessageToHandlers);
 952             logger.debug("Finished receiving messages");
 953             synchronized (messageHandlers) {
 954                 receiveThread = null;
 955
 956                 // Check if in the meantime another handler has been registered
 957                 if (!messageHandlers.isEmpty()) {
 958                     logger.debug("Another handler has been registered, starting receive thread again");
 959                     startReceiveThreadIfRequired();
 960                 }
 961             }
 962         });
 963         receiveThread.setName("receive-" + threadNumber.getAndIncrement());
 964
 965         receiveThread.start();
 966     }
 967
 968     private void passReceivedMessageToHandlers(MessageEnvelope envelope, Throwable e) {
 969         synchronized (messageHandlers) {
 970             Stream.concat(messageHandlers.stream(), weakHandlers.stream()).forEach(h -> {
 971                 try {
 972                     h.handleMessage(envelope, e);
 973                 } catch (Throwable ex) {
 974                     logger.warn("Message handler failed, ignoring", ex);
 975                 }
 976             });
 977         }
 978     }
 979
 980     @Override
 981     public void removeReceiveHandler(final ReceiveMessageHandler handler) {
 982         final Thread thread;
 983         synchronized (messageHandlers) {
 984             weakHandlers.remove(handler);
 985             messageHandlers.remove(handler);
 986             if (!messageHandlers.isEmpty() || receiveThread == null || isReceivingSynchronous) {
 987                 return;
 988             }
 989             thread = receiveThread;
 990             receiveThread = null;
 991         }
 992
 993         stopReceiveThread(thread);
 994     }
 995
 996     private void stopReceiveThread(final Thread thread) {
 997         if (context.getReceiveHelper().requestStopReceiveMessages()) {
 998             logger.debug("Receive stop requested, interrupting read from server.");
 999             thread.interrupt();
1000         }
1001         try {
1002             thread.join();
1003         } catch (InterruptedException ignored) {
1004         }
1005     }
1006
1007     @Override
1008     public boolean isReceiving() {
1009         if (isReceivingSynchronous) {
1010             return true;
1011         }
1012         synchronized (messageHandlers) {
1013             return messageHandlers.size() > 0;
1014         }
1015     }
1016
1017     @Override
1018     public void receiveMessages(
1019             Optional<Duration> timeout, Optional<Integer> maxMessages, ReceiveMessageHandler handler
1020     ) throws IOException, AlreadyReceivingException {
1021         receiveMessages(timeout.orElse(Duration.ofMinutes(1)), timeout.isPresent(), maxMessages.orElse(null), handler);
1022     }
1023
1024     private void receiveMessages(
1025             Duration timeout, boolean returnOnTimeout, Integer maxMessages, ReceiveMessageHandler handler
1026     ) throws IOException, AlreadyReceivingException {
1027         synchronized (messageHandlers) {
1028             if (isReceiving()) {
1029                 throw new AlreadyReceivingException("Already receiving message.");
1030             }
1031             isReceivingSynchronous = true;
1032             receiveThread = Thread.currentThread();
1033         }
1034         try {
1035             context.getReceiveHelper().receiveMessages(timeout, returnOnTimeout, maxMessages, (envelope, e) -> {
1036                 passReceivedMessageToHandlers(envelope, e);
1037                 handler.handleMessage(envelope, e);
1038             });
1039         } finally {
1040             synchronized (messageHandlers) {
1041                 receiveThread = null;
1042                 isReceivingSynchronous = false;
1043                 if (messageHandlers.size() > 0) {
1044                     startReceiveThreadIfRequired();
1045                 }
1046             }
1047         }
1048     }
1049
1050     @Override
1051     public void setReceiveConfig(final ReceiveConfig receiveConfig) {
1052         context.getReceiveHelper().setReceiveConfig(receiveConfig);
1053     }
1054
1055     @Override
1056     public boolean isContactBlocked(final RecipientIdentifier.Single recipient) {
1057         final RecipientId recipientId;
1058         try {
1059             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1060         } catch (UnregisteredRecipientException e) {
1061             return false;
1062         }
1063         return context.getContactHelper().isContactBlocked(recipientId);
1064     }
1065
1066     @Override
1067     public void sendContacts() throws IOException {
1068         context.getSyncHelper().sendContacts();
1069     }
1070
1071     @Override
1072     public List<Recipient> getRecipients(
1073             boolean onlyContacts,
1074             Optional<Boolean> blocked,
1075             Collection<RecipientIdentifier.Single> recipients,
1076             Optional<String> name
1077     ) {
1078         final var recipientIds = recipients.stream().map(a -> {
1079             try {
1080                 return context.getRecipientHelper().resolveRecipient(a);
1081             } catch (UnregisteredRecipientException e) {
1082                 return null;
1083             }
1084         }).filter(Objects::nonNull).collect(Collectors.toSet());
1085         if (!recipients.isEmpty() && recipientIds.isEmpty()) {
1086             return List.of();
1087         }
1088         // refresh profiles of explicitly given recipients
1089         context.getProfileHelper().refreshRecipientProfiles(recipientIds);
1090         return account.getRecipientStore()
1091                 .getRecipients(onlyContacts, blocked, recipientIds, name)
1092                 .stream()
1093                 .map(s -> new Recipient(s.getRecipientId(),
1094                         s.getAddress().toApiRecipientAddress(),
1095                         s.getContact(),
1096                         s.getProfileKey(),
1097                         s.getExpiringProfileKeyCredential(),
1098                         s.getProfile()))
1099                 .toList();
1100     }
1101
1102     @Override
1103     public String getContactOrProfileName(RecipientIdentifier.Single recipient) {
1104         final RecipientId recipientId;
1105         try {
1106             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1107         } catch (UnregisteredRecipientException e) {
1108             return null;
1109         }
1110
1111         final var contact = account.getContactStore().getContact(recipientId);
1112         if (contact != null && !Util.isEmpty(contact.getName())) {
1113             return contact.getName();
1114         }
1115
1116         final var profile = context.getProfileHelper().getRecipientProfile(recipientId);
1117         if (profile != null) {
1118             return profile.getDisplayName();
1119         }
1120
1121         return null;
1122     }
1123
1124     @Override
1125     public Group getGroup(GroupId groupId) {
1126         return toGroup(context.getGroupHelper().getGroup(groupId));
1127     }
1128
1129     @Override
1130     public List<Identity> getIdentities() {
1131         return account.getIdentityKeyStore().getIdentities().stream().map(this::toIdentity).toList();
1132     }
1133
1134     private Identity toIdentity(final IdentityInfo identityInfo) {
1135         if (identityInfo == null) {
1136             return null;
1137         }
1138
1139         final var address = account.getRecipientAddressResolver()
1140                 .resolveRecipientAddress(account.getRecipientResolver().resolveRecipient(identityInfo.getServiceId()));
1141         final var scannableFingerprint = context.getIdentityHelper()
1142                 .computeSafetyNumberForScanning(identityInfo.getServiceId(), identityInfo.getIdentityKey());
1143         return new Identity(address.toApiRecipientAddress(),
1144                 identityInfo.getIdentityKey(),
1145                 context.getIdentityHelper()
1146                         .computeSafetyNumber(identityInfo.getServiceId(), identityInfo.getIdentityKey()),
1147                 scannableFingerprint == null ? null : scannableFingerprint.getSerialized(),
1148                 identityInfo.getTrustLevel(),
1149                 identityInfo.getDateAddedTimestamp());
1150     }
1151
1152     @Override
1153     public List<Identity> getIdentities(RecipientIdentifier.Single recipient) {
1154         ServiceId serviceId;
1155         try {
1156             final var address = account.getRecipientAddressResolver()
1157                     .resolveRecipientAddress(context.getRecipientHelper().resolveRecipient(recipient));
1158             if (address.serviceId().isEmpty()) {
1159                 return List.of();
1160             }
1161             serviceId = address.serviceId().get();
1162         } catch (UnregisteredRecipientException e) {
1163             return List.of();
1164         }
1165         final var identity = account.getIdentityKeyStore().getIdentityInfo(serviceId);
1166         return identity == null ? List.of() : List.of(toIdentity(identity));
1167     }
1168
1169     @Override
1170     public boolean trustIdentityVerified(
1171             RecipientIdentifier.Single recipient, IdentityVerificationCode verificationCode
1172     ) throws UnregisteredRecipientException {
1173         if (verificationCode instanceof IdentityVerificationCode.Fingerprint fingerprint) {
1174             return trustIdentity(recipient,
1175                     r -> context.getIdentityHelper().trustIdentityVerified(r, fingerprint.fingerprint()));
1176         } else if (verificationCode instanceof IdentityVerificationCode.SafetyNumber safetyNumber) {
1177             return trustIdentity(recipient,
1178                     r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber.safetyNumber()));
1179         } else if (verificationCode instanceof IdentityVerificationCode.ScannableSafetyNumber safetyNumber) {
1180             return trustIdentity(recipient,
1181                     r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber.safetyNumber()));
1182         } else {
1183             throw new AssertionError("Invalid verification code type");
1184         }
1185     }
1186
1187     @Override
1188     public boolean trustIdentityAllKeys(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
1189         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityAllKeys(r));
1190     }
1191
1192     private boolean trustIdentity(
1193             RecipientIdentifier.Single recipient, Function<RecipientId, Boolean> trustMethod
1194     ) throws UnregisteredRecipientException {
1195         final var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1196         final var updated = trustMethod.apply(recipientId);
1197         if (updated && this.isReceiving()) {
1198             context.getReceiveHelper().setNeedsToRetryFailedMessages(true);
1199         }
1200         return updated;
1201     }
1202
1203     @Override
1204     public void addAddressChangedListener(final Runnable listener) {
1205         synchronized (addressChangedListeners) {
1206             addressChangedListeners.add(listener);
1207         }
1208     }
1209
1210     @Override
1211     public void addClosedListener(final Runnable listener) {
1212         synchronized (closedListeners) {
1213             closedListeners.add(listener);
1214         }
1215     }
1216
1217     @Override
1218     public InputStream retrieveAttachment(final String id) throws IOException {
1219         return context.getAttachmentHelper().retrieveAttachment(id).getStream();
1220     }
1221
1222     @Override
1223     public void close() {
1224         Thread thread;
1225         synchronized (messageHandlers) {
1226             weakHandlers.clear();
1227             messageHandlers.clear();
1228             thread = receiveThread;
1229             receiveThread = null;
1230         }
1231         if (thread != null) {
1232             stopReceiveThread(thread);
1233         }
1234         executor.shutdown();
1235
1236         dependencies.getSignalWebSocket().disconnect();
1237         disposable.dispose();
1238
1239         if (account != null) {
1240             account.close();
1241         }
1242
1243         synchronized (closedListeners) {
1244             closedListeners.forEach(Runnable::run);
1245             closedListeners.clear();
1246         }
1247
1248         account = null;
1249     }
1250 }