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.InactiveGroupLinkException;
  32 import org.asamk.signal.manager.api.InvalidDeviceLinkException;
  33 import org.asamk.signal.manager.api.InvalidStickerException;
  34 import org.asamk.signal.manager.api.InvalidUsernameException;
  35 import org.asamk.signal.manager.api.LastGroupAdminException;
  36 import org.asamk.signal.manager.api.Message;
  37 import org.asamk.signal.manager.api.MessageEnvelope;
  38 import org.asamk.signal.manager.api.NotAGroupMemberException;
  39 import org.asamk.signal.manager.api.NotPrimaryDeviceException;
  40 import org.asamk.signal.manager.api.Pair;
  41 import org.asamk.signal.manager.api.PendingAdminApprovalException;
  42 import org.asamk.signal.manager.api.Profile;
  43 import org.asamk.signal.manager.api.ReceiveConfig;
  44 import org.asamk.signal.manager.api.Recipient;
  45 import org.asamk.signal.manager.api.RecipientIdentifier;
  46 import org.asamk.signal.manager.api.SendGroupMessageResults;
  47 import org.asamk.signal.manager.api.SendMessageResult;
  48 import org.asamk.signal.manager.api.SendMessageResults;
  49 import org.asamk.signal.manager.api.StickerPackId;
  50 import org.asamk.signal.manager.api.StickerPackInvalidException;
  51 import org.asamk.signal.manager.api.StickerPackUrl;
  52 import org.asamk.signal.manager.api.TextStyle;
  53 import org.asamk.signal.manager.api.TypingAction;
  54 import org.asamk.signal.manager.api.UnregisteredRecipientException;
  55 import org.asamk.signal.manager.api.UpdateGroup;
  56 import org.asamk.signal.manager.api.UpdateProfile;
  57 import org.asamk.signal.manager.api.UserStatus;
  58 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  59 import org.asamk.signal.manager.helper.AccountFileUpdater;
  60 import org.asamk.signal.manager.helper.Context;
  61 import org.asamk.signal.manager.storage.AttachmentStore;
  62 import org.asamk.signal.manager.storage.AvatarStore;
  63 import org.asamk.signal.manager.storage.SignalAccount;
  64 import org.asamk.signal.manager.storage.groups.GroupInfo;
  65 import org.asamk.signal.manager.storage.identities.IdentityInfo;
  66 import org.asamk.signal.manager.storage.recipients.RecipientId;
  67 import org.asamk.signal.manager.storage.stickerPacks.JsonStickerPack;
  68 import org.asamk.signal.manager.storage.stickerPacks.StickerPackStore;
  69 import org.asamk.signal.manager.storage.stickers.StickerPack;
  70 import org.asamk.signal.manager.util.AttachmentUtils;
  71 import org.asamk.signal.manager.util.KeyUtils;
  72 import org.asamk.signal.manager.util.MimeUtils;
  73 import org.asamk.signal.manager.util.StickerUtils;
  74 import org.signal.libsignal.usernames.BaseUsernameException;
  75 import org.slf4j.Logger;
  76 import org.slf4j.LoggerFactory;
  77 import org.whispersystems.signalservice.api.SignalSessionLock;
  78 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
  79 import org.whispersystems.signalservice.api.messages.SignalServicePreview;
  80 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
  81 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
  82 import org.whispersystems.signalservice.api.push.ACI;
  83 import org.whispersystems.signalservice.api.push.ServiceId;
  84 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  85 import org.whispersystems.signalservice.api.util.InvalidNumberException;
  86 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  87 import org.whispersystems.signalservice.api.util.StreamDetails;
  88 import org.whispersystems.signalservice.internal.util.Hex;
  89 import org.whispersystems.signalservice.internal.util.Util;
  90
  91 import java.io.ByteArrayInputStream;
  92 import java.io.File;
  93 import java.io.IOException;
  94 import java.io.InputStream;
  95 import java.nio.charset.StandardCharsets;
  96 import java.time.Duration;
  97 import java.util.ArrayList;
  98 import java.util.Collection;
  99 import java.util.HashMap;
 100 import java.util.HashSet;
 101 import java.util.List;
 102 import java.util.Map;
 103 import java.util.Objects;
 104 import java.util.Optional;
 105 import java.util.Set;
 106 import java.util.concurrent.ExecutorService;
 107 import java.util.concurrent.Executors;
 108 import java.util.concurrent.atomic.AtomicInteger;
 109 import java.util.concurrent.locks.ReentrantLock;
 110 import java.util.function.Function;
 111 import java.util.stream.Collectors;
 112 import java.util.stream.Stream;
 113
 114 import io.reactivex.rxjava3.disposables.CompositeDisposable;
 115
 116 public class ManagerImpl implements Manager {
 117
 118     private final static Logger logger = LoggerFactory.getLogger(ManagerImpl.class);
 119
 120     private SignalAccount account;
 121     private final SignalDependencies dependencies;
 122     private final Context context;
 123
 124     private final ExecutorService executor = Executors.newCachedThreadPool();
 125
 126     private Thread receiveThread;
 127     private boolean isReceivingSynchronous;
 128     private final Set<ReceiveMessageHandler> weakHandlers = new HashSet<>();
 129     private final Set<ReceiveMessageHandler> messageHandlers = new HashSet<>();
 130     private final List<Runnable> closedListeners = new ArrayList<>();
 131     private final List<Runnable> addressChangedListeners = new ArrayList<>();
 132     private final CompositeDisposable disposable = new CompositeDisposable();
 133
 134     public ManagerImpl(
 135             SignalAccount account,
 136             PathConfig pathConfig,
 137             AccountFileUpdater accountFileUpdater,
 138             ServiceEnvironmentConfig serviceEnvironmentConfig,
 139             String userAgent
 140     ) {
 141         this.account = account;
 142
 143         final var sessionLock = new SignalSessionLock() {
 144             private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 145
 146             @Override
 147             public Lock acquire() {
 148                 LEGACY_LOCK.lock();
 149                 return LEGACY_LOCK::unlock;
 150             }
 151         };
 152         this.dependencies = new SignalDependencies(serviceEnvironmentConfig,
 153                 userAgent,
 154                 account.getCredentialsProvider(),
 155                 account.getSignalServiceDataStore(),
 156                 executor,
 157                 sessionLock);
 158         final var avatarStore = new AvatarStore(pathConfig.avatarsPath());
 159         final var attachmentStore = new AttachmentStore(pathConfig.attachmentsPath());
 160         final var stickerPackStore = new StickerPackStore(pathConfig.stickerPacksPath());
 161
 162         this.context = new Context(account, new AccountFileUpdater() {
 163             @Override
 164             public void updateAccountIdentifiers(final String number, final ACI aci) {
 165                 accountFileUpdater.updateAccountIdentifiers(number, aci);
 166                 synchronized (addressChangedListeners) {
 167                     addressChangedListeners.forEach(Runnable::run);
 168                 }
 169             }
 170
 171             @Override
 172             public void removeAccount() {
 173                 accountFileUpdater.removeAccount();
 174             }
 175         }, dependencies, avatarStore, attachmentStore, stickerPackStore);
 176         this.context.getAccountHelper().setUnregisteredListener(this::close);
 177         this.context.getReceiveHelper().setAuthenticationFailureListener(this::close);
 178         this.context.getReceiveHelper().setCaughtUpWithOldMessagesListener(() -> {
 179             synchronized (this) {
 180                 this.notifyAll();
 181             }
 182         });
 183         disposable.add(account.getIdentityKeyStore().getIdentityChanges().subscribe(serviceId -> {
 184             logger.trace("Archiving old sessions for {}", serviceId);
 185             account.getAciSessionStore().archiveSessions(serviceId);
 186             account.getPniSessionStore().archiveSessions(serviceId);
 187             account.getSenderKeyStore().deleteSharedWith(serviceId);
 188             final var recipientId = account.getRecipientResolver().resolveRecipient(serviceId);
 189             final var profile = account.getProfileStore().getProfile(recipientId);
 190             if (profile != null) {
 191                 account.getProfileStore()
 192                         .storeProfile(recipientId,
 193                                 Profile.newBuilder(profile)
 194                                         .withUnidentifiedAccessMode(Profile.UnidentifiedAccessMode.UNKNOWN)
 195                                         .withLastUpdateTimestamp(0)
 196                                         .build());
 197             }
 198         }));
 199     }
 200
 201     @Override
 202     public String getSelfNumber() {
 203         return account.getNumber();
 204     }
 205
 206     public void checkAccountState() throws IOException {
 207         context.getAccountHelper().checkAccountState();
 208     }
 209
 210     @Override
 211     public Map<String, UserStatus> getUserStatus(Set<String> numbers) throws IOException {
 212         final var canonicalizedNumbers = numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 213             try {
 214                 final var canonicalizedNumber = PhoneNumberFormatter.formatNumber(n, account.getNumber());
 215                 if (!canonicalizedNumber.equals(n)) {
 216                     logger.debug("Normalized number {} to {}.", n, canonicalizedNumber);
 217                 }
 218                 return canonicalizedNumber;
 219             } catch (InvalidNumberException e) {
 220                 return "";
 221             }
 222         }));
 223
 224         // Note "registeredUsers" has no optionals. It only gives us info on users who are registered
 225         final var canonicalizedNumbersSet = canonicalizedNumbers.values()
 226                 .stream()
 227                 .filter(s -> !s.isEmpty())
 228                 .collect(Collectors.toSet());
 229         final var registeredUsers = context.getRecipientHelper().getRegisteredUsers(canonicalizedNumbersSet);
 230
 231         return numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 232             final var number = canonicalizedNumbers.get(n);
 233             final var user = registeredUsers.get(number);
 234             final var serviceId = user == null ? null : user.getServiceId();
 235             final var profile = serviceId == null
 236                     ? null
 237                     : context.getProfileHelper()
 238                             .getRecipientProfile(account.getRecipientResolver().resolveRecipient(serviceId));
 239             return new UserStatus(number.isEmpty() ? null : number,
 240                     serviceId == null ? null : serviceId.uuid(),
 241                     profile != null
 242                             && profile.getUnidentifiedAccessMode() == Profile.UnidentifiedAccessMode.UNRESTRICTED);
 243         }));
 244     }
 245
 246     @Override
 247     public void updateAccountAttributes(String deviceName) throws IOException {
 248         if (deviceName != null) {
 249             context.getAccountHelper().setDeviceName(deviceName);
 250         }
 251         context.getAccountHelper().updateAccountAttributes();
 252         context.getAccountHelper().checkWhoAmiI();
 253     }
 254
 255     @Override
 256     public Configuration getConfiguration() {
 257         final var configurationStore = account.getConfigurationStore();
 258         return Configuration.from(configurationStore);
 259     }
 260
 261     @Override
 262     public void updateConfiguration(
 263             Configuration configuration
 264     ) throws NotPrimaryDeviceException {
 265         if (!account.isPrimaryDevice()) {
 266             throw new NotPrimaryDeviceException();
 267         }
 268
 269         final var configurationStore = account.getConfigurationStore();
 270         if (configuration.readReceipts().isPresent()) {
 271             configurationStore.setReadReceipts(configuration.readReceipts().get());
 272         }
 273         if (configuration.unidentifiedDeliveryIndicators().isPresent()) {
 274             configurationStore.setUnidentifiedDeliveryIndicators(configuration.unidentifiedDeliveryIndicators().get());
 275         }
 276         if (configuration.typingIndicators().isPresent()) {
 277             configurationStore.setTypingIndicators(configuration.typingIndicators().get());
 278         }
 279         if (configuration.linkPreviews().isPresent()) {
 280             configurationStore.setLinkPreviews(configuration.linkPreviews().get());
 281         }
 282         context.getSyncHelper().sendConfigurationMessage();
 283     }
 284
 285     @Override
 286     public void updateProfile(UpdateProfile updateProfile) throws IOException {
 287         context.getProfileHelper()
 288                 .setProfile(updateProfile.getGivenName(),
 289                         updateProfile.getFamilyName(),
 290                         updateProfile.getAbout(),
 291                         updateProfile.getAboutEmoji(),
 292                         updateProfile.isDeleteAvatar()
 293                                 ? Optional.empty()
 294                                 : updateProfile.getAvatar() == null ? null : Optional.of(updateProfile.getAvatar()),
 295                         updateProfile.getMobileCoinAddress());
 296         context.getSyncHelper().sendSyncFetchProfileMessage();
 297     }
 298
 299     void refreshCurrentUsername() throws IOException, BaseUsernameException {
 300         context.getAccountHelper().refreshCurrentUsername();
 301     }
 302
 303     @Override
 304     public String setUsername(final String username) throws IOException, InvalidUsernameException {
 305         try {
 306             return context.getAccountHelper().reserveUsername(username);
 307         } catch (BaseUsernameException e) {
 308             throw new InvalidUsernameException(e.getMessage() + " (" + e.getClass().getSimpleName() + ")", e);
 309         }
 310     }
 311
 312     @Override
 313     public void deleteUsername() throws IOException {
 314         context.getAccountHelper().deleteUsername();
 315     }
 316
 317     @Override
 318     public void unregister() throws IOException {
 319         context.getAccountHelper().unregister();
 320     }
 321
 322     @Override
 323     public void deleteAccount() throws IOException {
 324         context.getAccountHelper().deleteAccount();
 325     }
 326
 327     @Override
 328     public void submitRateLimitRecaptchaChallenge(String challenge, String captcha) throws IOException {
 329         captcha = captcha == null ? null : captcha.replace("signalcaptcha://", "");
 330
 331         dependencies.getAccountManager().submitRateLimitRecaptchaChallenge(challenge, captcha);
 332     }
 333
 334     @Override
 335     public List<Device> getLinkedDevices() throws IOException {
 336         var devices = dependencies.getAccountManager().getDevices();
 337         account.setMultiDevice(devices.size() > 1);
 338         var identityKey = account.getAciIdentityKeyPair().getPrivateKey();
 339         return devices.stream().map(d -> {
 340             String deviceName = d.getName();
 341             if (deviceName != null) {
 342                 try {
 343                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 344                 } catch (IOException e) {
 345                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 346                 }
 347             }
 348             return new Device(d.getId(),
 349                     deviceName,
 350                     d.getCreated(),
 351                     d.getLastSeen(),
 352                     d.getId() == account.getDeviceId());
 353         }).toList();
 354     }
 355
 356     @Override
 357     public void removeLinkedDevices(int deviceId) throws IOException {
 358         context.getAccountHelper().removeLinkedDevices(deviceId);
 359     }
 360
 361     @Override
 362     public void addDeviceLink(DeviceLinkUrl linkUrl) throws IOException, InvalidDeviceLinkException {
 363         context.getAccountHelper().addDevice(linkUrl);
 364     }
 365
 366     @Override
 367     public void setRegistrationLockPin(Optional<String> pin) throws IOException, NotPrimaryDeviceException {
 368         if (!account.isPrimaryDevice()) {
 369             throw new NotPrimaryDeviceException();
 370         }
 371         if (pin.isPresent()) {
 372             context.getAccountHelper().setRegistrationPin(pin.get());
 373         } else {
 374             context.getAccountHelper().removeRegistrationPin();
 375         }
 376     }
 377
 378     void refreshPreKeys() throws IOException {
 379         context.getPreKeyHelper().refreshPreKeys();
 380     }
 381
 382     @Override
 383     public List<Group> getGroups() {
 384         return account.getGroupStore().getGroups().stream().map(this::toGroup).toList();
 385     }
 386
 387     private Group toGroup(final GroupInfo groupInfo) {
 388         if (groupInfo == null) {
 389             return null;
 390         }
 391
 392         return Group.from(groupInfo, account.getRecipientAddressResolver(), account.getSelfRecipientId());
 393     }
 394
 395     @Override
 396     public SendGroupMessageResults quitGroup(
 397             GroupId groupId, Set<RecipientIdentifier.Single> groupAdmins
 398     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, LastGroupAdminException, UnregisteredRecipientException {
 399         final var newAdmins = context.getRecipientHelper().resolveRecipients(groupAdmins);
 400         return context.getGroupHelper().quitGroup(groupId, newAdmins);
 401     }
 402
 403     @Override
 404     public void deleteGroup(GroupId groupId) throws IOException {
 405         final var group = context.getGroupHelper().getGroup(groupId);
 406         if (group.isMember(account.getSelfRecipientId())) {
 407             throw new IOException(
 408                     "The local group information cannot be removed, as the user is still a member of the group");
 409         }
 410         context.getGroupHelper().deleteGroup(groupId);
 411     }
 412
 413     @Override
 414     public Pair<GroupId, SendGroupMessageResults> createGroup(
 415             String name, Set<RecipientIdentifier.Single> members, String avatarFile
 416     ) throws IOException, AttachmentInvalidException, UnregisteredRecipientException {
 417         return context.getGroupHelper()
 418                 .createGroup(name,
 419                         members == null ? null : context.getRecipientHelper().resolveRecipients(members),
 420                         avatarFile);
 421     }
 422
 423     @Override
 424     public SendGroupMessageResults updateGroup(
 425             final GroupId groupId, final UpdateGroup updateGroup
 426     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 427         return context.getGroupHelper()
 428                 .updateGroup(groupId,
 429                         updateGroup.getName(),
 430                         updateGroup.getDescription(),
 431                         updateGroup.getMembers() == null
 432                                 ? null
 433                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getMembers()),
 434                         updateGroup.getRemoveMembers() == null
 435                                 ? null
 436                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveMembers()),
 437                         updateGroup.getAdmins() == null
 438                                 ? null
 439                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getAdmins()),
 440                         updateGroup.getRemoveAdmins() == null
 441                                 ? null
 442                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveAdmins()),
 443                         updateGroup.getBanMembers() == null
 444                                 ? null
 445                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getBanMembers()),
 446                         updateGroup.getUnbanMembers() == null
 447                                 ? null
 448                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getUnbanMembers()),
 449                         updateGroup.isResetGroupLink(),
 450                         updateGroup.getGroupLinkState(),
 451                         updateGroup.getAddMemberPermission(),
 452                         updateGroup.getEditDetailsPermission(),
 453                         updateGroup.getAvatarFile(),
 454                         updateGroup.getExpirationTimer(),
 455                         updateGroup.getIsAnnouncementGroup());
 456     }
 457
 458     @Override
 459     public Pair<GroupId, SendGroupMessageResults> joinGroup(
 460             GroupInviteLinkUrl inviteLinkUrl
 461     ) throws IOException, InactiveGroupLinkException, PendingAdminApprovalException {
 462         return context.getGroupHelper().joinGroup(inviteLinkUrl);
 463     }
 464
 465     private SendMessageResults sendMessage(
 466             SignalServiceDataMessage.Builder messageBuilder, Set<RecipientIdentifier> recipients
 467     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 468         return sendMessage(messageBuilder, recipients, Optional.empty());
 469     }
 470
 471     private SendMessageResults sendMessage(
 472             SignalServiceDataMessage.Builder messageBuilder,
 473             Set<RecipientIdentifier> recipients,
 474             Optional<Long> editTargetTimestamp
 475     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 476         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 477         long timestamp = System.currentTimeMillis();
 478         messageBuilder.withTimestamp(timestamp);
 479         for (final var recipient : recipients) {
 480             if (recipient instanceof RecipientIdentifier.Single single) {
 481                 try {
 482                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 483                     final var result = context.getSendHelper()
 484                             .sendMessage(messageBuilder, recipientId, editTargetTimestamp);
 485                     results.put(recipient, List.of(toSendMessageResult(result)));
 486                 } catch (UnregisteredRecipientException e) {
 487                     results.put(recipient,
 488                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 489                 }
 490             } else if (recipient instanceof RecipientIdentifier.NoteToSelf) {
 491                 final var result = context.getSendHelper().sendSelfMessage(messageBuilder, editTargetTimestamp);
 492                 results.put(recipient, List.of(toSendMessageResult(result)));
 493             } else if (recipient instanceof RecipientIdentifier.Group group) {
 494                 final var result = context.getSendHelper()
 495                         .sendAsGroupMessage(messageBuilder, group.groupId(), editTargetTimestamp);
 496                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 497             }
 498         }
 499         return new SendMessageResults(timestamp, results);
 500     }
 501
 502     private SendMessageResult toSendMessageResult(final org.whispersystems.signalservice.api.messages.SendMessageResult result) {
 503         return SendMessageResult.from(result, account.getRecipientResolver(), account.getRecipientAddressResolver());
 504     }
 505
 506     private SendMessageResults sendTypingMessage(
 507             SignalServiceTypingMessage.Action action, Set<RecipientIdentifier> recipients
 508     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 509         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 510         final var timestamp = System.currentTimeMillis();
 511         for (var recipient : recipients) {
 512             if (recipient instanceof RecipientIdentifier.Single single) {
 513                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.empty());
 514                 try {
 515                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 516                     final var result = context.getSendHelper().sendTypingMessage(message, recipientId);
 517                     results.put(recipient, List.of(toSendMessageResult(result)));
 518                 } catch (UnregisteredRecipientException e) {
 519                     results.put(recipient,
 520                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 521                 }
 522             } else if (recipient instanceof RecipientIdentifier.Group) {
 523                 final var groupId = ((RecipientIdentifier.Group) recipient).groupId();
 524                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.of(groupId.serialize()));
 525                 final var result = context.getSendHelper().sendGroupTypingMessage(message, groupId);
 526                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 527             }
 528         }
 529         return new SendMessageResults(timestamp, results);
 530     }
 531
 532     @Override
 533     public SendMessageResults sendTypingMessage(
 534             TypingAction action, Set<RecipientIdentifier> recipients
 535     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 536         return sendTypingMessage(action.toSignalService(), recipients);
 537     }
 538
 539     @Override
 540     public SendMessageResults sendReadReceipt(
 541             RecipientIdentifier.Single sender, List<Long> messageIds
 542     ) {
 543         final var timestamp = System.currentTimeMillis();
 544         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.READ,
 545                 messageIds,
 546                 timestamp);
 547
 548         return sendReceiptMessage(sender, timestamp, receiptMessage);
 549     }
 550
 551     @Override
 552     public SendMessageResults sendViewedReceipt(
 553             RecipientIdentifier.Single sender, List<Long> messageIds
 554     ) {
 555         final var timestamp = System.currentTimeMillis();
 556         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.VIEWED,
 557                 messageIds,
 558                 timestamp);
 559
 560         return sendReceiptMessage(sender, timestamp, receiptMessage);
 561     }
 562
 563     private SendMessageResults sendReceiptMessage(
 564             final RecipientIdentifier.Single sender,
 565             final long timestamp,
 566             final SignalServiceReceiptMessage receiptMessage
 567     ) {
 568         try {
 569             final var result = context.getSendHelper()
 570                     .sendReceiptMessage(receiptMessage, context.getRecipientHelper().resolveRecipient(sender));
 571             return new SendMessageResults(timestamp, Map.of(sender, List.of(toSendMessageResult(result))));
 572         } catch (UnregisteredRecipientException e) {
 573             return new SendMessageResults(timestamp,
 574                     Map.of(sender, List.of(SendMessageResult.unregisteredFailure(sender.toPartialRecipientAddress()))));
 575         }
 576     }
 577
 578     @Override
 579     public SendMessageResults sendMessage(
 580             Message message, Set<RecipientIdentifier> recipients
 581     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 582         final var selfProfile = context.getProfileHelper().getSelfProfile();
 583         if (selfProfile == null || selfProfile.getDisplayName().isEmpty()) {
 584             logger.warn(
 585                     "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.");
 586         }
 587         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 588         applyMessage(messageBuilder, message);
 589         return sendMessage(messageBuilder, recipients);
 590     }
 591
 592     @Override
 593     public SendMessageResults sendEditMessage(
 594             Message message, Set<RecipientIdentifier> recipients, long editTargetTimestamp
 595     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 596         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 597         applyMessage(messageBuilder, message);
 598         return sendMessage(messageBuilder, recipients, Optional.of(editTargetTimestamp));
 599     }
 600
 601     private void applyMessage(
 602             final SignalServiceDataMessage.Builder messageBuilder, final Message message
 603     ) throws AttachmentInvalidException, IOException, UnregisteredRecipientException, InvalidStickerException {
 604         if (message.messageText().length() > 2000) {
 605             final var messageBytes = message.messageText().getBytes(StandardCharsets.UTF_8);
 606             final var textAttachment = AttachmentUtils.createAttachmentStream(new StreamDetails(new ByteArrayInputStream(
 607                     messageBytes), MimeUtils.LONG_TEXT, messageBytes.length), Optional.empty());
 608             messageBuilder.withBody(message.messageText().substring(0, 2000));
 609             messageBuilder.withAttachment(context.getAttachmentHelper().uploadAttachment(textAttachment));
 610         } else {
 611             messageBuilder.withBody(message.messageText());
 612         }
 613         if (message.attachments().size() > 0) {
 614             messageBuilder.withAttachments(context.getAttachmentHelper().uploadAttachments(message.attachments()));
 615         }
 616         if (message.mentions().size() > 0) {
 617             messageBuilder.withMentions(resolveMentions(message.mentions()));
 618         }
 619         if (message.textStyles().size() > 0) {
 620             messageBuilder.withBodyRanges(message.textStyles().stream().map(TextStyle::toBodyRange).toList());
 621         }
 622         if (message.quote().isPresent()) {
 623             final var quote = message.quote().get();
 624             messageBuilder.withQuote(new SignalServiceDataMessage.Quote(quote.timestamp(),
 625                     context.getRecipientHelper()
 626                             .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(quote.author()))
 627                             .getServiceId(),
 628                     quote.message(),
 629                     List.of(),
 630                     resolveMentions(quote.mentions()),
 631                     SignalServiceDataMessage.Quote.Type.NORMAL,
 632                     quote.textStyles().stream().map(TextStyle::toBodyRange).toList()));
 633         }
 634         if (message.sticker().isPresent()) {
 635             final var sticker = message.sticker().get();
 636             final var packId = StickerPackId.deserialize(sticker.packId());
 637             final var stickerId = sticker.stickerId();
 638
 639             final var stickerPack = context.getAccount().getStickerStore().getStickerPack(packId);
 640             if (stickerPack == null) {
 641                 throw new InvalidStickerException("Sticker pack not found");
 642             }
 643             final var manifest = context.getStickerHelper().getOrRetrieveStickerPack(packId, stickerPack.packKey());
 644             if (manifest.stickers().size() <= stickerId) {
 645                 throw new InvalidStickerException("Sticker id not part of this pack");
 646             }
 647             final var manifestSticker = manifest.stickers().get(stickerId);
 648             final var streamDetails = context.getStickerPackStore().retrieveSticker(packId, stickerId);
 649             if (streamDetails == null) {
 650                 throw new InvalidStickerException("Missing local sticker file");
 651             }
 652             messageBuilder.withSticker(new SignalServiceDataMessage.Sticker(packId.serialize(),
 653                     stickerPack.packKey(),
 654                     stickerId,
 655                     manifestSticker.emoji(),
 656                     AttachmentUtils.createAttachmentStream(streamDetails, Optional.empty())));
 657         }
 658         if (message.previews().size() > 0) {
 659             final var previews = new ArrayList<SignalServicePreview>(message.previews().size());
 660             for (final var p : message.previews()) {
 661                 final var image = p.image().isPresent() ? context.getAttachmentHelper()
 662                         .uploadAttachment(p.image().get()) : null;
 663                 previews.add(new SignalServicePreview(p.url(),
 664                         p.title(),
 665                         p.description(),
 666                         0,
 667                         Optional.ofNullable(image)));
 668             }
 669             messageBuilder.withPreviews(previews);
 670         }
 671         if (message.storyReply().isPresent()) {
 672             final var storyReply = message.storyReply().get();
 673             final var authorServiceId = context.getRecipientHelper()
 674                     .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(storyReply.author()))
 675                     .getServiceId();
 676             messageBuilder.withStoryContext(new SignalServiceDataMessage.StoryContext(authorServiceId,
 677                     storyReply.timestamp()));
 678         }
 679     }
 680
 681     private ArrayList<SignalServiceDataMessage.Mention> resolveMentions(final List<Message.Mention> mentionList) throws UnregisteredRecipientException {
 682         final var mentions = new ArrayList<SignalServiceDataMessage.Mention>();
 683         for (final var m : mentionList) {
 684             final var recipientId = context.getRecipientHelper().resolveRecipient(m.recipient());
 685             mentions.add(new SignalServiceDataMessage.Mention(context.getRecipientHelper()
 686                     .resolveSignalServiceAddress(recipientId)
 687                     .getServiceId(), m.start(), m.length()));
 688         }
 689         return mentions;
 690     }
 691
 692     @Override
 693     public SendMessageResults sendRemoteDeleteMessage(
 694             long targetSentTimestamp, Set<RecipientIdentifier> recipients
 695     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 696         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
 697         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
 698         for (final var recipient : recipients) {
 699             if (recipient instanceof RecipientIdentifier.Uuid u) {
 700                 account.getMessageSendLogStore()
 701                         .deleteEntryForRecipientNonGroup(targetSentTimestamp, ServiceId.from(u.uuid()));
 702             } else if (recipient instanceof RecipientIdentifier.Single r) {
 703                 try {
 704                     final var recipientId = context.getRecipientHelper().resolveRecipient(r);
 705                     final var address = account.getRecipientAddressResolver().resolveRecipientAddress(recipientId);
 706                     if (address.serviceId().isPresent()) {
 707                         account.getMessageSendLogStore()
 708                                 .deleteEntryForRecipientNonGroup(targetSentTimestamp, address.serviceId().get());
 709                     }
 710                 } catch (UnregisteredRecipientException ignored) {
 711                 }
 712             } else if (recipient instanceof RecipientIdentifier.Group r) {
 713                 account.getMessageSendLogStore().deleteEntryForGroup(targetSentTimestamp, r.groupId());
 714             }
 715         }
 716         return sendMessage(messageBuilder, recipients);
 717     }
 718
 719     @Override
 720     public SendMessageResults sendMessageReaction(
 721             String emoji,
 722             boolean remove,
 723             RecipientIdentifier.Single targetAuthor,
 724             long targetSentTimestamp,
 725             Set<RecipientIdentifier> recipients,
 726             final boolean isStory
 727     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 728         var targetAuthorRecipientId = context.getRecipientHelper().resolveRecipient(targetAuthor);
 729         final var authorServiceId = context.getRecipientHelper()
 730                 .resolveSignalServiceAddress(targetAuthorRecipientId)
 731                 .getServiceId();
 732         var reaction = new SignalServiceDataMessage.Reaction(emoji, remove, authorServiceId, targetSentTimestamp);
 733         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 734         if (isStory) {
 735             messageBuilder.withStoryContext(new SignalServiceDataMessage.StoryContext(authorServiceId,
 736                     targetSentTimestamp));
 737         }
 738         return sendMessage(messageBuilder, recipients);
 739     }
 740
 741     @Override
 742     public SendMessageResults sendPaymentNotificationMessage(
 743             byte[] receipt, String note, RecipientIdentifier.Single recipient
 744     ) throws IOException {
 745         final var paymentNotification = new SignalServiceDataMessage.PaymentNotification(receipt, note);
 746         final var payment = new SignalServiceDataMessage.Payment(paymentNotification, null);
 747         final var messageBuilder = SignalServiceDataMessage.newBuilder().withPayment(payment);
 748         try {
 749             return sendMessage(messageBuilder, Set.of(recipient));
 750         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 751             throw new AssertionError(e);
 752         }
 753     }
 754
 755     @Override
 756     public SendMessageResults sendEndSessionMessage(Set<RecipientIdentifier.Single> recipients) throws IOException {
 757         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
 758
 759         try {
 760             return sendMessage(messageBuilder,
 761                     recipients.stream().map(RecipientIdentifier.class::cast).collect(Collectors.toSet()));
 762         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 763             throw new AssertionError(e);
 764         } finally {
 765             for (var recipient : recipients) {
 766                 final RecipientId recipientId;
 767                 try {
 768                     recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 769                 } catch (UnregisteredRecipientException e) {
 770                     continue;
 771                 }
 772                 final var serviceId = context.getAccount()
 773                         .getRecipientAddressResolver()
 774                         .resolveRecipientAddress(recipientId)
 775                         .serviceId();
 776                 if (serviceId.isPresent()) {
 777                     account.getAciSessionStore().deleteAllSessions(serviceId.get());
 778                 }
 779             }
 780         }
 781     }
 782
 783     @Override
 784     public void deleteRecipient(final RecipientIdentifier.Single recipient) {
 785         final var recipientIdOptional = context.getRecipientHelper().resolveRecipientOptional(recipient);
 786         if (recipientIdOptional.isPresent()) {
 787             account.removeRecipient(recipientIdOptional.get());
 788         }
 789     }
 790
 791     @Override
 792     public void deleteContact(final RecipientIdentifier.Single recipient) {
 793         final var recipientIdOptional = context.getRecipientHelper().resolveRecipientOptional(recipient);
 794         if (recipientIdOptional.isPresent()) {
 795             account.getContactStore().deleteContact(recipientIdOptional.get());
 796         }
 797     }
 798
 799     @Override
 800     public void setContactName(
 801             RecipientIdentifier.Single recipient, String givenName, final String familyName
 802     ) throws NotPrimaryDeviceException, UnregisteredRecipientException {
 803         if (!account.isPrimaryDevice()) {
 804             throw new NotPrimaryDeviceException();
 805         }
 806         context.getContactHelper()
 807                 .setContactName(context.getRecipientHelper().resolveRecipient(recipient), givenName, familyName);
 808     }
 809
 810     @Override
 811     public void setContactsBlocked(
 812             Collection<RecipientIdentifier.Single> recipients, boolean blocked
 813     ) throws NotPrimaryDeviceException, IOException, UnregisteredRecipientException {
 814         if (!account.isPrimaryDevice()) {
 815             throw new NotPrimaryDeviceException();
 816         }
 817         if (recipients.size() == 0) {
 818             return;
 819         }
 820         final var recipientIds = context.getRecipientHelper().resolveRecipients(recipients);
 821         final var selfRecipientId = account.getSelfRecipientId();
 822         boolean shouldRotateProfileKey = false;
 823         for (final var recipientId : recipientIds) {
 824             if (context.getContactHelper().isContactBlocked(recipientId) == blocked) {
 825                 continue;
 826             }
 827             context.getContactHelper().setContactBlocked(recipientId, blocked);
 828             // if we don't have a common group with the blocked contact we need to rotate the profile key
 829             shouldRotateProfileKey = blocked && (
 830                     shouldRotateProfileKey || account.getGroupStore()
 831                             .getGroups()
 832                             .stream()
 833                             .noneMatch(g -> g.isMember(selfRecipientId) && g.isMember(recipientId))
 834             );
 835         }
 836         if (shouldRotateProfileKey) {
 837             context.getProfileHelper().rotateProfileKey();
 838         }
 839         context.getSyncHelper().sendBlockedList();
 840     }
 841
 842     @Override
 843     public void setGroupsBlocked(
 844             final Collection<GroupId> groupIds, final boolean blocked
 845     ) throws GroupNotFoundException, NotPrimaryDeviceException, IOException {
 846         if (!account.isPrimaryDevice()) {
 847             throw new NotPrimaryDeviceException();
 848         }
 849         if (groupIds.size() == 0) {
 850             return;
 851         }
 852         boolean shouldRotateProfileKey = false;
 853         for (final var groupId : groupIds) {
 854             if (context.getGroupHelper().isGroupBlocked(groupId) == blocked) {
 855                 continue;
 856             }
 857             context.getGroupHelper().setGroupBlocked(groupId, blocked);
 858             shouldRotateProfileKey = blocked;
 859         }
 860         if (shouldRotateProfileKey) {
 861             context.getProfileHelper().rotateProfileKey();
 862         }
 863         context.getSyncHelper().sendBlockedList();
 864     }
 865
 866     @Override
 867     public void setExpirationTimer(
 868             RecipientIdentifier.Single recipient, int messageExpirationTimer
 869     ) throws IOException, UnregisteredRecipientException {
 870         var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 871         context.getContactHelper().setExpirationTimer(recipientId, messageExpirationTimer);
 872         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
 873         try {
 874             sendMessage(messageBuilder, Set.of(recipient));
 875         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 876             throw new AssertionError(e);
 877         }
 878     }
 879
 880     @Override
 881     public StickerPackUrl uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
 882         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
 883
 884         var messageSender = dependencies.getMessageSender();
 885
 886         var packKey = KeyUtils.createStickerUploadKey();
 887         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
 888         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
 889
 890         var sticker = new StickerPack(packId, packKey);
 891         account.getStickerStore().addStickerPack(sticker);
 892
 893         return new StickerPackUrl(packId, packKey);
 894     }
 895
 896     @Override
 897     public List<org.asamk.signal.manager.api.StickerPack> getStickerPacks() {
 898         final var stickerPackStore = context.getStickerPackStore();
 899         return account.getStickerStore().getStickerPacks().stream().map(pack -> {
 900             if (stickerPackStore.existsStickerPack(pack.packId())) {
 901                 try {
 902                     final var manifest = stickerPackStore.retrieveManifest(pack.packId());
 903                     return new org.asamk.signal.manager.api.StickerPack(pack.packId(),
 904                             new StickerPackUrl(pack.packId(), pack.packKey()),
 905                             pack.isInstalled(),
 906                             manifest.title(),
 907                             manifest.author(),
 908                             Optional.ofNullable(manifest.cover() == null ? null : manifest.cover().toApi()),
 909                             manifest.stickers().stream().map(JsonStickerPack.JsonSticker::toApi).toList());
 910                 } catch (Exception e) {
 911                     logger.warn("Failed to read local sticker pack manifest: {}", e.getMessage(), e);
 912                 }
 913             }
 914
 915             return new org.asamk.signal.manager.api.StickerPack(pack.packId(), pack.packKey(), pack.isInstalled());
 916         }).toList();
 917     }
 918
 919     @Override
 920     public void requestAllSyncData() throws IOException {
 921         context.getSyncHelper().requestAllSyncData();
 922         retrieveRemoteStorage();
 923     }
 924
 925     void retrieveRemoteStorage() throws IOException {
 926         context.getStorageHelper().readDataFromStorage();
 927     }
 928
 929     @Override
 930     public void addReceiveHandler(final ReceiveMessageHandler handler, final boolean isWeakListener) {
 931         synchronized (messageHandlers) {
 932             if (isWeakListener) {
 933                 weakHandlers.add(handler);
 934             } else {
 935                 messageHandlers.add(handler);
 936                 startReceiveThreadIfRequired();
 937             }
 938         }
 939     }
 940
 941     private static final AtomicInteger threadNumber = new AtomicInteger(0);
 942
 943     private void startReceiveThreadIfRequired() {
 944         if (receiveThread != null || isReceivingSynchronous) {
 945             return;
 946         }
 947         receiveThread = new Thread(() -> {
 948             logger.debug("Starting receiving messages");
 949             context.getReceiveHelper().receiveMessagesContinuously(this::passReceivedMessageToHandlers);
 950             logger.debug("Finished receiving messages");
 951             synchronized (messageHandlers) {
 952                 receiveThread = null;
 953
 954                 // Check if in the meantime another handler has been registered
 955                 if (!messageHandlers.isEmpty()) {
 956                     logger.debug("Another handler has been registered, starting receive thread again");
 957                     startReceiveThreadIfRequired();
 958                 }
 959             }
 960         });
 961         receiveThread.setName("receive-" + threadNumber.getAndIncrement());
 962
 963         receiveThread.start();
 964     }
 965
 966     private void passReceivedMessageToHandlers(MessageEnvelope envelope, Throwable e) {
 967         synchronized (messageHandlers) {
 968             Stream.concat(messageHandlers.stream(), weakHandlers.stream()).forEach(h -> {
 969                 try {
 970                     h.handleMessage(envelope, e);
 971                 } catch (Throwable ex) {
 972                     logger.warn("Message handler failed, ignoring", ex);
 973                 }
 974             });
 975         }
 976     }
 977
 978     @Override
 979     public void removeReceiveHandler(final ReceiveMessageHandler handler) {
 980         final Thread thread;
 981         synchronized (messageHandlers) {
 982             weakHandlers.remove(handler);
 983             messageHandlers.remove(handler);
 984             if (!messageHandlers.isEmpty() || receiveThread == null || isReceivingSynchronous) {
 985                 return;
 986             }
 987             thread = receiveThread;
 988             receiveThread = null;
 989         }
 990
 991         stopReceiveThread(thread);
 992     }
 993
 994     private void stopReceiveThread(final Thread thread) {
 995         if (context.getReceiveHelper().requestStopReceiveMessages()) {
 996             logger.debug("Receive stop requested, interrupting read from server.");
 997             thread.interrupt();
 998         }
 999         try {
1000             thread.join();
1001         } catch (InterruptedException ignored) {
1002         }
1003     }
1004
1005     @Override
1006     public boolean isReceiving() {
1007         if (isReceivingSynchronous) {
1008             return true;
1009         }
1010         synchronized (messageHandlers) {
1011             return messageHandlers.size() > 0;
1012         }
1013     }
1014
1015     @Override
1016     public void receiveMessages(
1017             Optional<Duration> timeout, Optional<Integer> maxMessages, ReceiveMessageHandler handler
1018     ) throws IOException, AlreadyReceivingException {
1019         receiveMessages(timeout.orElse(Duration.ofMinutes(1)), timeout.isPresent(), maxMessages.orElse(null), handler);
1020     }
1021
1022     private void receiveMessages(
1023             Duration timeout, boolean returnOnTimeout, Integer maxMessages, ReceiveMessageHandler handler
1024     ) throws IOException, AlreadyReceivingException {
1025         synchronized (messageHandlers) {
1026             if (isReceiving()) {
1027                 throw new AlreadyReceivingException("Already receiving message.");
1028             }
1029             isReceivingSynchronous = true;
1030             receiveThread = Thread.currentThread();
1031         }
1032         try {
1033             context.getReceiveHelper().receiveMessages(timeout, returnOnTimeout, maxMessages, (envelope, e) -> {
1034                 passReceivedMessageToHandlers(envelope, e);
1035                 handler.handleMessage(envelope, e);
1036             });
1037         } finally {
1038             synchronized (messageHandlers) {
1039                 receiveThread = null;
1040                 isReceivingSynchronous = false;
1041                 if (messageHandlers.size() > 0) {
1042                     startReceiveThreadIfRequired();
1043                 }
1044             }
1045         }
1046     }
1047
1048     @Override
1049     public void setReceiveConfig(final ReceiveConfig receiveConfig) {
1050         context.getReceiveHelper().setReceiveConfig(receiveConfig);
1051     }
1052
1053     @Override
1054     public boolean isContactBlocked(final RecipientIdentifier.Single recipient) {
1055         final RecipientId recipientId;
1056         try {
1057             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1058         } catch (UnregisteredRecipientException e) {
1059             return false;
1060         }
1061         return context.getContactHelper().isContactBlocked(recipientId);
1062     }
1063
1064     @Override
1065     public void sendContacts() throws IOException {
1066         context.getSyncHelper().sendContacts();
1067     }
1068
1069     @Override
1070     public List<Recipient> getRecipients(
1071             boolean onlyContacts,
1072             Optional<Boolean> blocked,
1073             Collection<RecipientIdentifier.Single> recipients,
1074             Optional<String> name
1075     ) {
1076         final var recipientIds = recipients.stream().map(a -> {
1077             try {
1078                 return context.getRecipientHelper().resolveRecipient(a);
1079             } catch (UnregisteredRecipientException e) {
1080                 return null;
1081             }
1082         }).filter(Objects::nonNull).collect(Collectors.toSet());
1083         if (!recipients.isEmpty() && recipientIds.isEmpty()) {
1084             return List.of();
1085         }
1086         // refresh profiles of explicitly given recipients
1087         context.getProfileHelper().refreshRecipientProfiles(recipientIds);
1088         return account.getRecipientStore()
1089                 .getRecipients(onlyContacts, blocked, recipientIds, name)
1090                 .stream()
1091                 .map(s -> new Recipient(s.getRecipientId(),
1092                         s.getAddress().toApiRecipientAddress(),
1093                         s.getContact(),
1094                         s.getProfileKey(),
1095                         s.getExpiringProfileKeyCredential(),
1096                         s.getProfile()))
1097                 .toList();
1098     }
1099
1100     @Override
1101     public String getContactOrProfileName(RecipientIdentifier.Single recipient) {
1102         final RecipientId recipientId;
1103         try {
1104             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1105         } catch (UnregisteredRecipientException e) {
1106             return null;
1107         }
1108
1109         final var contact = account.getContactStore().getContact(recipientId);
1110         if (contact != null && !Util.isEmpty(contact.getName())) {
1111             return contact.getName();
1112         }
1113
1114         final var profile = context.getProfileHelper().getRecipientProfile(recipientId);
1115         if (profile != null) {
1116             return profile.getDisplayName();
1117         }
1118
1119         return null;
1120     }
1121
1122     @Override
1123     public Group getGroup(GroupId groupId) {
1124         return toGroup(context.getGroupHelper().getGroup(groupId));
1125     }
1126
1127     @Override
1128     public List<Identity> getIdentities() {
1129         return account.getIdentityKeyStore().getIdentities().stream().map(this::toIdentity).toList();
1130     }
1131
1132     private Identity toIdentity(final IdentityInfo identityInfo) {
1133         if (identityInfo == null) {
1134             return null;
1135         }
1136
1137         final var address = account.getRecipientAddressResolver()
1138                 .resolveRecipientAddress(account.getRecipientResolver().resolveRecipient(identityInfo.getServiceId()));
1139         final var scannableFingerprint = context.getIdentityHelper()
1140                 .computeSafetyNumberForScanning(identityInfo.getServiceId(), identityInfo.getIdentityKey());
1141         return new Identity(address.toApiRecipientAddress(),
1142                 identityInfo.getIdentityKey(),
1143                 context.getIdentityHelper()
1144                         .computeSafetyNumber(identityInfo.getServiceId(), identityInfo.getIdentityKey()),
1145                 scannableFingerprint == null ? null : scannableFingerprint.getSerialized(),
1146                 identityInfo.getTrustLevel(),
1147                 identityInfo.getDateAddedTimestamp());
1148     }
1149
1150     @Override
1151     public List<Identity> getIdentities(RecipientIdentifier.Single recipient) {
1152         ServiceId serviceId;
1153         try {
1154             final var address = account.getRecipientAddressResolver()
1155                     .resolveRecipientAddress(context.getRecipientHelper().resolveRecipient(recipient));
1156             if (address.serviceId().isEmpty()) {
1157                 return List.of();
1158             }
1159             serviceId = address.serviceId().get();
1160         } catch (UnregisteredRecipientException e) {
1161             return List.of();
1162         }
1163         final var identity = account.getIdentityKeyStore().getIdentityInfo(serviceId);
1164         return identity == null ? List.of() : List.of(toIdentity(identity));
1165     }
1166
1167     @Override
1168     public boolean trustIdentityVerified(
1169             RecipientIdentifier.Single recipient, byte[] fingerprint
1170     ) throws UnregisteredRecipientException {
1171         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityVerified(r, fingerprint));
1172     }
1173
1174     @Override
1175     public boolean trustIdentityVerifiedSafetyNumber(
1176             RecipientIdentifier.Single recipient, String safetyNumber
1177     ) throws UnregisteredRecipientException {
1178         return trustIdentity(recipient,
1179                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
1180     }
1181
1182     @Override
1183     public boolean trustIdentityVerifiedSafetyNumber(
1184             RecipientIdentifier.Single recipient, byte[] safetyNumber
1185     ) throws UnregisteredRecipientException {
1186         return trustIdentity(recipient,
1187                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
1188     }
1189
1190     @Override
1191     public boolean trustIdentityAllKeys(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
1192         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityAllKeys(r));
1193     }
1194
1195     private boolean trustIdentity(
1196             RecipientIdentifier.Single recipient, Function<RecipientId, Boolean> trustMethod
1197     ) throws UnregisteredRecipientException {
1198         final var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1199         final var updated = trustMethod.apply(recipientId);
1200         if (updated && this.isReceiving()) {
1201             context.getReceiveHelper().setNeedsToRetryFailedMessages(true);
1202         }
1203         return updated;
1204     }
1205
1206     @Override
1207     public void addAddressChangedListener(final Runnable listener) {
1208         synchronized (addressChangedListeners) {
1209             addressChangedListeners.add(listener);
1210         }
1211     }
1212
1213     @Override
1214     public void addClosedListener(final Runnable listener) {
1215         synchronized (closedListeners) {
1216             closedListeners.add(listener);
1217         }
1218     }
1219
1220     @Override
1221     public InputStream retrieveAttachment(final String id) throws IOException {
1222         return context.getAttachmentHelper().retrieveAttachment(id).getStream();
1223     }
1224
1225     @Override
1226     public void close() {
1227         Thread thread;
1228         synchronized (messageHandlers) {
1229             weakHandlers.clear();
1230             messageHandlers.clear();
1231             thread = receiveThread;
1232             receiveThread = null;
1233         }
1234         if (thread != null) {
1235             stopReceiveThread(thread);
1236         }
1237         executor.shutdown();
1238
1239         dependencies.getSignalWebSocket().disconnect();
1240         disposable.dispose();
1241
1242         if (account != null) {
1243             account.close();
1244         }
1245
1246         synchronized (closedListeners) {
1247             closedListeners.forEach(Runnable::run);
1248             closedListeners.clear();
1249         }
1250
1251         account = null;
1252     }
1253 }