nmode's Git Repositories - signal-cli/blob - lib/src/main/java/org/asamk/signal/manager/ManagerImpl.java

   1 /*
   2   Copyright (C) 2015-2022 AsamK and contributors
   3
   4   This program is free software: you can redistribute it and/or modify
   5   it under the terms of the GNU General Public License as published by
   6   the Free Software Foundation, either version 3 of the License, or
   7   (at your option) any later version.
   8
   9   This program is distributed in the hope that it will be useful,
  10   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12   GNU General Public License for more details.
  13
  14   You should have received a copy of the GNU General Public License
  15   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.asamk.signal.manager;
  18
  19 import org.asamk.signal.manager.api.AlreadyReceivingException;
  20 import org.asamk.signal.manager.api.AttachmentInvalidException;
  21 import org.asamk.signal.manager.api.Configuration;
  22 import org.asamk.signal.manager.api.Device;
  23 import org.asamk.signal.manager.api.Group;
  24 import org.asamk.signal.manager.api.Identity;
  25 import org.asamk.signal.manager.api.InactiveGroupLinkException;
  26 import org.asamk.signal.manager.api.InvalidDeviceLinkException;
  27 import org.asamk.signal.manager.api.InvalidStickerException;
  28 import org.asamk.signal.manager.api.InvalidUsernameException;
  29 import org.asamk.signal.manager.api.Message;
  30 import org.asamk.signal.manager.api.MessageEnvelope;
  31 import org.asamk.signal.manager.api.NotPrimaryDeviceException;
  32 import org.asamk.signal.manager.api.Pair;
  33 import org.asamk.signal.manager.api.PendingAdminApprovalException;
  34 import org.asamk.signal.manager.api.ReceiveConfig;
  35 import org.asamk.signal.manager.api.Recipient;
  36 import org.asamk.signal.manager.api.RecipientIdentifier;
  37 import org.asamk.signal.manager.api.SendGroupMessageResults;
  38 import org.asamk.signal.manager.api.SendMessageResult;
  39 import org.asamk.signal.manager.api.SendMessageResults;
  40 import org.asamk.signal.manager.api.StickerPackId;
  41 import org.asamk.signal.manager.api.StickerPackInvalidException;
  42 import org.asamk.signal.manager.api.StickerPackUrl;
  43 import org.asamk.signal.manager.api.TypingAction;
  44 import org.asamk.signal.manager.api.UnregisteredRecipientException;
  45 import org.asamk.signal.manager.api.UpdateGroup;
  46 import org.asamk.signal.manager.api.UpdateProfile;
  47 import org.asamk.signal.manager.api.UserStatus;
  48 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  49 import org.asamk.signal.manager.groups.GroupId;
  50 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  51 import org.asamk.signal.manager.groups.GroupNotFoundException;
  52 import org.asamk.signal.manager.groups.GroupSendingNotAllowedException;
  53 import org.asamk.signal.manager.groups.LastGroupAdminException;
  54 import org.asamk.signal.manager.groups.NotAGroupMemberException;
  55 import org.asamk.signal.manager.helper.AccountFileUpdater;
  56 import org.asamk.signal.manager.helper.Context;
  57 import org.asamk.signal.manager.storage.SignalAccount;
  58 import org.asamk.signal.manager.storage.groups.GroupInfo;
  59 import org.asamk.signal.manager.storage.identities.IdentityInfo;
  60 import org.asamk.signal.manager.storage.recipients.Profile;
  61 import org.asamk.signal.manager.storage.recipients.RecipientId;
  62 import org.asamk.signal.manager.storage.stickerPacks.JsonStickerPack;
  63 import org.asamk.signal.manager.storage.stickerPacks.StickerPackStore;
  64 import org.asamk.signal.manager.storage.stickers.StickerPack;
  65 import org.asamk.signal.manager.util.AttachmentUtils;
  66 import org.asamk.signal.manager.util.KeyUtils;
  67 import org.asamk.signal.manager.util.MimeUtils;
  68 import org.asamk.signal.manager.util.StickerUtils;
  69 import org.signal.libsignal.usernames.BaseUsernameException;
  70 import org.slf4j.Logger;
  71 import org.slf4j.LoggerFactory;
  72 import org.whispersystems.signalservice.api.SignalSessionLock;
  73 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
  74 import org.whispersystems.signalservice.api.messages.SignalServicePreview;
  75 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
  76 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
  77 import org.whispersystems.signalservice.api.push.ACI;
  78 import org.whispersystems.signalservice.api.push.ServiceId;
  79 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  80 import org.whispersystems.signalservice.api.util.InvalidNumberException;
  81 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  82 import org.whispersystems.signalservice.api.util.StreamDetails;
  83 import org.whispersystems.signalservice.internal.util.Hex;
  84 import org.whispersystems.signalservice.internal.util.Util;
  85
  86 import java.io.ByteArrayInputStream;
  87 import java.io.File;
  88 import java.io.IOException;
  89 import java.io.InputStream;
  90 import java.net.URI;
  91 import java.nio.charset.StandardCharsets;
  92 import java.time.Duration;
  93 import java.util.ArrayList;
  94 import java.util.Collection;
  95 import java.util.HashMap;
  96 import java.util.HashSet;
  97 import java.util.List;
  98 import java.util.Map;
  99 import java.util.Objects;
 100 import java.util.Optional;
 101 import java.util.Set;
 102 import java.util.concurrent.ExecutorService;
 103 import java.util.concurrent.Executors;
 104 import java.util.concurrent.atomic.AtomicInteger;
 105 import java.util.concurrent.locks.ReentrantLock;
 106 import java.util.function.Function;
 107 import java.util.stream.Collectors;
 108 import java.util.stream.Stream;
 109
 110 import io.reactivex.rxjava3.disposables.CompositeDisposable;
 111
 112 class ManagerImpl implements Manager {
 113
 114     private final static Logger logger = LoggerFactory.getLogger(ManagerImpl.class);
 115
 116     private SignalAccount account;
 117     private final SignalDependencies dependencies;
 118     private final Context context;
 119
 120     private final ExecutorService executor = Executors.newCachedThreadPool();
 121
 122     private Thread receiveThread;
 123     private boolean isReceivingSynchronous;
 124     private final Set<ReceiveMessageHandler> weakHandlers = new HashSet<>();
 125     private final Set<ReceiveMessageHandler> messageHandlers = new HashSet<>();
 126     private final List<Runnable> closedListeners = new ArrayList<>();
 127     private final List<Runnable> addressChangedListeners = new ArrayList<>();
 128     private final CompositeDisposable disposable = new CompositeDisposable();
 129
 130     ManagerImpl(
 131             SignalAccount account,
 132             PathConfig pathConfig,
 133             AccountFileUpdater accountFileUpdater,
 134             ServiceEnvironmentConfig serviceEnvironmentConfig,
 135             String userAgent
 136     ) {
 137         this.account = account;
 138
 139         final var sessionLock = new SignalSessionLock() {
 140             private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 141
 142             @Override
 143             public Lock acquire() {
 144                 LEGACY_LOCK.lock();
 145                 return LEGACY_LOCK::unlock;
 146             }
 147         };
 148         this.dependencies = new SignalDependencies(serviceEnvironmentConfig,
 149                 userAgent,
 150                 account.getCredentialsProvider(),
 151                 account.getSignalServiceDataStore(),
 152                 executor,
 153                 sessionLock);
 154         final var avatarStore = new AvatarStore(pathConfig.avatarsPath());
 155         final var attachmentStore = new AttachmentStore(pathConfig.attachmentsPath());
 156         final var stickerPackStore = new StickerPackStore(pathConfig.stickerPacksPath());
 157
 158         this.context = new Context(account, new AccountFileUpdater() {
 159             @Override
 160             public void updateAccountIdentifiers(final String number, final ACI aci) {
 161                 accountFileUpdater.updateAccountIdentifiers(number, aci);
 162                 synchronized (addressChangedListeners) {
 163                     addressChangedListeners.forEach(Runnable::run);
 164                 }
 165             }
 166
 167             @Override
 168             public void removeAccount() {
 169                 accountFileUpdater.removeAccount();
 170             }
 171         }, dependencies, avatarStore, attachmentStore, stickerPackStore);
 172         this.context.getAccountHelper().setUnregisteredListener(this::close);
 173         this.context.getReceiveHelper().setAuthenticationFailureListener(this::close);
 174         this.context.getReceiveHelper().setCaughtUpWithOldMessagesListener(() -> {
 175             synchronized (this) {
 176                 this.notifyAll();
 177             }
 178         });
 179         disposable.add(account.getIdentityKeyStore().getIdentityChanges().subscribe(serviceId -> {
 180             logger.trace("Archiving old sessions for {}", serviceId);
 181             account.getAciSessionStore().archiveSessions(serviceId);
 182             account.getPniSessionStore().archiveSessions(serviceId);
 183             account.getSenderKeyStore().deleteSharedWith(serviceId);
 184             final var recipientId = account.getRecipientResolver().resolveRecipient(serviceId);
 185             final var profile = account.getProfileStore().getProfile(recipientId);
 186             if (profile != null) {
 187                 account.getProfileStore()
 188                         .storeProfile(recipientId,
 189                                 Profile.newBuilder(profile)
 190                                         .withUnidentifiedAccessMode(Profile.UnidentifiedAccessMode.UNKNOWN)
 191                                         .withLastUpdateTimestamp(0)
 192                                         .build());
 193             }
 194         }));
 195     }
 196
 197     @Override
 198     public String getSelfNumber() {
 199         return account.getNumber();
 200     }
 201
 202     void checkAccountState() throws IOException {
 203         context.getAccountHelper().checkAccountState();
 204     }
 205
 206     @Override
 207     public Map<String, UserStatus> getUserStatus(Set<String> numbers) throws IOException {
 208         final var canonicalizedNumbers = numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 209             try {
 210                 final var canonicalizedNumber = PhoneNumberFormatter.formatNumber(n, account.getNumber());
 211                 if (!canonicalizedNumber.equals(n)) {
 212                     logger.debug("Normalized number {} to {}.", n, canonicalizedNumber);
 213                 }
 214                 return canonicalizedNumber;
 215             } catch (InvalidNumberException e) {
 216                 return "";
 217             }
 218         }));
 219
 220         // Note "registeredUsers" has no optionals. It only gives us info on users who are registered
 221         final var canonicalizedNumbersSet = canonicalizedNumbers.values()
 222                 .stream()
 223                 .filter(s -> !s.isEmpty())
 224                 .collect(Collectors.toSet());
 225         final var registeredUsers = context.getRecipientHelper().getRegisteredUsers(canonicalizedNumbersSet);
 226
 227         return numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 228             final var number = canonicalizedNumbers.get(n);
 229             final var user = registeredUsers.get(number);
 230             final var serviceId = user == null ? null : user.getServiceId();
 231             final var profile = serviceId == null
 232                     ? null
 233                     : context.getProfileHelper()
 234                             .getRecipientProfile(account.getRecipientResolver().resolveRecipient(serviceId));
 235             return new UserStatus(number.isEmpty() ? null : number,
 236                     serviceId == null ? null : serviceId.uuid(),
 237                     profile != null
 238                             && profile.getUnidentifiedAccessMode() == Profile.UnidentifiedAccessMode.UNRESTRICTED);
 239         }));
 240     }
 241
 242     @Override
 243     public void updateAccountAttributes(String deviceName) throws IOException {
 244         if (deviceName != null) {
 245             context.getAccountHelper().setDeviceName(deviceName);
 246         }
 247         context.getAccountHelper().updateAccountAttributes();
 248         context.getAccountHelper().checkWhoAmiI();
 249     }
 250
 251     @Override
 252     public Configuration getConfiguration() {
 253         final var configurationStore = account.getConfigurationStore();
 254         return Configuration.from(configurationStore);
 255     }
 256
 257     @Override
 258     public void updateConfiguration(
 259             Configuration configuration
 260     ) throws NotPrimaryDeviceException {
 261         if (!account.isPrimaryDevice()) {
 262             throw new NotPrimaryDeviceException();
 263         }
 264
 265         final var configurationStore = account.getConfigurationStore();
 266         if (configuration.readReceipts().isPresent()) {
 267             configurationStore.setReadReceipts(configuration.readReceipts().get());
 268         }
 269         if (configuration.unidentifiedDeliveryIndicators().isPresent()) {
 270             configurationStore.setUnidentifiedDeliveryIndicators(configuration.unidentifiedDeliveryIndicators().get());
 271         }
 272         if (configuration.typingIndicators().isPresent()) {
 273             configurationStore.setTypingIndicators(configuration.typingIndicators().get());
 274         }
 275         if (configuration.linkPreviews().isPresent()) {
 276             configurationStore.setLinkPreviews(configuration.linkPreviews().get());
 277         }
 278         context.getSyncHelper().sendConfigurationMessage();
 279     }
 280
 281     @Override
 282     public void updateProfile(UpdateProfile updateProfile) throws IOException {
 283         context.getProfileHelper()
 284                 .setProfile(updateProfile.getGivenName(),
 285                         updateProfile.getFamilyName(),
 286                         updateProfile.getAbout(),
 287                         updateProfile.getAboutEmoji(),
 288                         updateProfile.isDeleteAvatar()
 289                                 ? Optional.empty()
 290                                 : updateProfile.getAvatar() == null ? null : Optional.of(updateProfile.getAvatar()),
 291                         updateProfile.getMobileCoinAddress());
 292         context.getSyncHelper().sendSyncFetchProfileMessage();
 293     }
 294
 295     @Override
 296     public String setUsername(final String username) throws IOException, InvalidUsernameException {
 297         try {
 298             return context.getAccountHelper().reserveUsername(username);
 299         } catch (BaseUsernameException e) {
 300             throw new InvalidUsernameException(e.getMessage() + " (" + e.getClass().getSimpleName() + ")", e);
 301         }
 302     }
 303
 304     @Override
 305     public void deleteUsername() throws IOException {
 306         context.getAccountHelper().deleteUsername();
 307     }
 308
 309     @Override
 310     public void unregister() throws IOException {
 311         context.getAccountHelper().unregister();
 312     }
 313
 314     @Override
 315     public void deleteAccount() throws IOException {
 316         context.getAccountHelper().deleteAccount();
 317     }
 318
 319     @Override
 320     public void submitRateLimitRecaptchaChallenge(String challenge, String captcha) throws IOException {
 321         captcha = captcha == null ? null : captcha.replace("signalcaptcha://", "");
 322
 323         dependencies.getAccountManager().submitRateLimitRecaptchaChallenge(challenge, captcha);
 324     }
 325
 326     @Override
 327     public List<Device> getLinkedDevices() throws IOException {
 328         var devices = dependencies.getAccountManager().getDevices();
 329         account.setMultiDevice(devices.size() > 1);
 330         var identityKey = account.getAciIdentityKeyPair().getPrivateKey();
 331         return devices.stream().map(d -> {
 332             String deviceName = d.getName();
 333             if (deviceName != null) {
 334                 try {
 335                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 336                 } catch (IOException e) {
 337                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 338                 }
 339             }
 340             return new Device(d.getId(),
 341                     deviceName,
 342                     d.getCreated(),
 343                     d.getLastSeen(),
 344                     d.getId() == account.getDeviceId());
 345         }).toList();
 346     }
 347
 348     @Override
 349     public void removeLinkedDevices(int deviceId) throws IOException {
 350         context.getAccountHelper().removeLinkedDevices(deviceId);
 351     }
 352
 353     @Override
 354     public void addDeviceLink(URI linkUri) throws IOException, InvalidDeviceLinkException {
 355         var deviceLinkInfo = DeviceLinkInfo.parseDeviceLinkUri(linkUri);
 356         context.getAccountHelper().addDevice(deviceLinkInfo);
 357     }
 358
 359     @Override
 360     public void setRegistrationLockPin(Optional<String> pin) throws IOException, NotPrimaryDeviceException {
 361         if (!account.isPrimaryDevice()) {
 362             throw new NotPrimaryDeviceException();
 363         }
 364         if (pin.isPresent()) {
 365             context.getAccountHelper().setRegistrationPin(pin.get());
 366         } else {
 367             context.getAccountHelper().removeRegistrationPin();
 368         }
 369     }
 370
 371     void refreshPreKeys() throws IOException {
 372         context.getPreKeyHelper().refreshPreKeys();
 373     }
 374
 375     @Override
 376     public Profile getRecipientProfile(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
 377         return context.getProfileHelper().getRecipientProfile(context.getRecipientHelper().resolveRecipient(recipient));
 378     }
 379
 380     @Override
 381     public List<Group> getGroups() {
 382         return account.getGroupStore().getGroups().stream().map(this::toGroup).toList();
 383     }
 384
 385     private Group toGroup(final GroupInfo groupInfo) {
 386         if (groupInfo == null) {
 387             return null;
 388         }
 389
 390         return Group.from(groupInfo, account.getRecipientAddressResolver(), account.getSelfRecipientId());
 391     }
 392
 393     @Override
 394     public SendGroupMessageResults quitGroup(
 395             GroupId groupId, Set<RecipientIdentifier.Single> groupAdmins
 396     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, LastGroupAdminException, UnregisteredRecipientException {
 397         final var newAdmins = context.getRecipientHelper().resolveRecipients(groupAdmins);
 398         return context.getGroupHelper().quitGroup(groupId, newAdmins);
 399     }
 400
 401     @Override
 402     public void deleteGroup(GroupId groupId) throws IOException {
 403         final var group = context.getGroupHelper().getGroup(groupId);
 404         if (group.isMember(account.getSelfRecipientId())) {
 405             throw new IOException(
 406                     "The local group information cannot be removed, as the user is still a member of the group");
 407         }
 408         context.getGroupHelper().deleteGroup(groupId);
 409     }
 410
 411     @Override
 412     public Pair<GroupId, SendGroupMessageResults> createGroup(
 413             String name, Set<RecipientIdentifier.Single> members, String avatarFile
 414     ) throws IOException, AttachmentInvalidException, UnregisteredRecipientException {
 415         return context.getGroupHelper()
 416                 .createGroup(name,
 417                         members == null ? null : context.getRecipientHelper().resolveRecipients(members),
 418                         avatarFile);
 419     }
 420
 421     @Override
 422     public SendGroupMessageResults updateGroup(
 423             final GroupId groupId, final UpdateGroup updateGroup
 424     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 425         return context.getGroupHelper()
 426                 .updateGroup(groupId,
 427                         updateGroup.getName(),
 428                         updateGroup.getDescription(),
 429                         updateGroup.getMembers() == null
 430                                 ? null
 431                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getMembers()),
 432                         updateGroup.getRemoveMembers() == null
 433                                 ? null
 434                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveMembers()),
 435                         updateGroup.getAdmins() == null
 436                                 ? null
 437                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getAdmins()),
 438                         updateGroup.getRemoveAdmins() == null
 439                                 ? null
 440                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveAdmins()),
 441                         updateGroup.getBanMembers() == null
 442                                 ? null
 443                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getBanMembers()),
 444                         updateGroup.getUnbanMembers() == null
 445                                 ? null
 446                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getUnbanMembers()),
 447                         updateGroup.isResetGroupLink(),
 448                         updateGroup.getGroupLinkState(),
 449                         updateGroup.getAddMemberPermission(),
 450                         updateGroup.getEditDetailsPermission(),
 451                         updateGroup.getAvatarFile(),
 452                         updateGroup.getExpirationTimer(),
 453                         updateGroup.getIsAnnouncementGroup());
 454     }
 455
 456     @Override
 457     public Pair<GroupId, SendGroupMessageResults> joinGroup(
 458             GroupInviteLinkUrl inviteLinkUrl
 459     ) throws IOException, InactiveGroupLinkException, PendingAdminApprovalException {
 460         return context.getGroupHelper().joinGroup(inviteLinkUrl);
 461     }
 462
 463     private SendMessageResults sendMessage(
 464             SignalServiceDataMessage.Builder messageBuilder, Set<RecipientIdentifier> recipients
 465     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 466         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 467         long timestamp = System.currentTimeMillis();
 468         messageBuilder.withTimestamp(timestamp);
 469         for (final var recipient : recipients) {
 470             if (recipient instanceof RecipientIdentifier.Single single) {
 471                 try {
 472                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 473                     final var result = context.getSendHelper().sendMessage(messageBuilder, recipientId);
 474                     results.put(recipient, List.of(toSendMessageResult(result)));
 475                 } catch (UnregisteredRecipientException e) {
 476                     results.put(recipient,
 477                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 478                 }
 479             } else if (recipient instanceof RecipientIdentifier.NoteToSelf) {
 480                 final var result = context.getSendHelper().sendSelfMessage(messageBuilder);
 481                 results.put(recipient, List.of(toSendMessageResult(result)));
 482             } else if (recipient instanceof RecipientIdentifier.Group group) {
 483                 final var result = context.getSendHelper().sendAsGroupMessage(messageBuilder, group.groupId());
 484                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 485             }
 486         }
 487         return new SendMessageResults(timestamp, results);
 488     }
 489
 490     private SendMessageResult toSendMessageResult(final org.whispersystems.signalservice.api.messages.SendMessageResult result) {
 491         return SendMessageResult.from(result, account.getRecipientResolver(), account.getRecipientAddressResolver());
 492     }
 493
 494     private SendMessageResults sendTypingMessage(
 495             SignalServiceTypingMessage.Action action, Set<RecipientIdentifier> recipients
 496     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 497         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 498         final var timestamp = System.currentTimeMillis();
 499         for (var recipient : recipients) {
 500             if (recipient instanceof RecipientIdentifier.Single single) {
 501                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.empty());
 502                 try {
 503                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 504                     final var result = context.getSendHelper().sendTypingMessage(message, recipientId);
 505                     results.put(recipient, List.of(toSendMessageResult(result)));
 506                 } catch (UnregisteredRecipientException e) {
 507                     results.put(recipient,
 508                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 509                 }
 510             } else if (recipient instanceof RecipientIdentifier.Group) {
 511                 final var groupId = ((RecipientIdentifier.Group) recipient).groupId();
 512                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.of(groupId.serialize()));
 513                 final var result = context.getSendHelper().sendGroupTypingMessage(message, groupId);
 514                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 515             }
 516         }
 517         return new SendMessageResults(timestamp, results);
 518     }
 519
 520     @Override
 521     public SendMessageResults sendTypingMessage(
 522             TypingAction action, Set<RecipientIdentifier> recipients
 523     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 524         return sendTypingMessage(action.toSignalService(), recipients);
 525     }
 526
 527     @Override
 528     public SendMessageResults sendReadReceipt(
 529             RecipientIdentifier.Single sender, List<Long> messageIds
 530     ) {
 531         final var timestamp = System.currentTimeMillis();
 532         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.READ,
 533                 messageIds,
 534                 timestamp);
 535
 536         return sendReceiptMessage(sender, timestamp, receiptMessage);
 537     }
 538
 539     @Override
 540     public SendMessageResults sendViewedReceipt(
 541             RecipientIdentifier.Single sender, List<Long> messageIds
 542     ) {
 543         final var timestamp = System.currentTimeMillis();
 544         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.VIEWED,
 545                 messageIds,
 546                 timestamp);
 547
 548         return sendReceiptMessage(sender, timestamp, receiptMessage);
 549     }
 550
 551     private SendMessageResults sendReceiptMessage(
 552             final RecipientIdentifier.Single sender,
 553             final long timestamp,
 554             final SignalServiceReceiptMessage receiptMessage
 555     ) {
 556         try {
 557             final var result = context.getSendHelper()
 558                     .sendReceiptMessage(receiptMessage, context.getRecipientHelper().resolveRecipient(sender));
 559             return new SendMessageResults(timestamp, Map.of(sender, List.of(toSendMessageResult(result))));
 560         } catch (UnregisteredRecipientException e) {
 561             return new SendMessageResults(timestamp,
 562                     Map.of(sender, List.of(SendMessageResult.unregisteredFailure(sender.toPartialRecipientAddress()))));
 563         }
 564     }
 565
 566     @Override
 567     public SendMessageResults sendMessage(
 568             Message message, Set<RecipientIdentifier> recipients
 569     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 570         final var selfProfile = context.getProfileHelper().getSelfProfile();
 571         if (selfProfile == null || selfProfile.getDisplayName().isEmpty()) {
 572             logger.warn(
 573                     "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.");
 574         }
 575         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 576         applyMessage(messageBuilder, message);
 577         return sendMessage(messageBuilder, recipients);
 578     }
 579
 580     private void applyMessage(
 581             final SignalServiceDataMessage.Builder messageBuilder, final Message message
 582     ) throws AttachmentInvalidException, IOException, UnregisteredRecipientException, InvalidStickerException {
 583         if (message.messageText().length() > 2000) {
 584             final var messageBytes = message.messageText().getBytes(StandardCharsets.UTF_8);
 585             final var textAttachment = AttachmentUtils.createAttachmentStream(new StreamDetails(new ByteArrayInputStream(
 586                     messageBytes), MimeUtils.LONG_TEXT, messageBytes.length), Optional.empty());
 587             messageBuilder.withBody(message.messageText().substring(0, 2000));
 588             messageBuilder.withAttachment(context.getAttachmentHelper().uploadAttachment(textAttachment));
 589         } else {
 590             messageBuilder.withBody(message.messageText());
 591         }
 592         if (message.attachments().size() > 0) {
 593             messageBuilder.withAttachments(context.getAttachmentHelper().uploadAttachments(message.attachments()));
 594         }
 595         if (message.mentions().size() > 0) {
 596             messageBuilder.withMentions(resolveMentions(message.mentions()));
 597         }
 598         if (message.quote().isPresent()) {
 599             final var quote = message.quote().get();
 600             messageBuilder.withQuote(new SignalServiceDataMessage.Quote(quote.timestamp(),
 601                     context.getRecipientHelper()
 602                             .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(quote.author()))
 603                             .getServiceId(),
 604                     quote.message(),
 605                     List.of(),
 606                     resolveMentions(quote.mentions()),
 607                     SignalServiceDataMessage.Quote.Type.NORMAL,
 608                     List.of()));
 609         }
 610         if (message.sticker().isPresent()) {
 611             final var sticker = message.sticker().get();
 612             final var packId = StickerPackId.deserialize(sticker.packId());
 613             final var stickerId = sticker.stickerId();
 614
 615             final var stickerPack = context.getAccount().getStickerStore().getStickerPack(packId);
 616             if (stickerPack == null) {
 617                 throw new InvalidStickerException("Sticker pack not found");
 618             }
 619             final var manifest = context.getStickerHelper().getOrRetrieveStickerPack(packId, stickerPack.packKey());
 620             if (manifest.stickers().size() <= stickerId) {
 621                 throw new InvalidStickerException("Sticker id not part of this pack");
 622             }
 623             final var manifestSticker = manifest.stickers().get(stickerId);
 624             final var streamDetails = context.getStickerPackStore().retrieveSticker(packId, stickerId);
 625             if (streamDetails == null) {
 626                 throw new InvalidStickerException("Missing local sticker file");
 627             }
 628             messageBuilder.withSticker(new SignalServiceDataMessage.Sticker(packId.serialize(),
 629                     stickerPack.packKey(),
 630                     stickerId,
 631                     manifestSticker.emoji(),
 632                     AttachmentUtils.createAttachmentStream(streamDetails, Optional.empty())));
 633         }
 634         if (message.previews().size() > 0) {
 635             final var previews = new ArrayList<SignalServicePreview>(message.previews().size());
 636             for (final var p : message.previews()) {
 637                 final var image = p.image().isPresent() ? context.getAttachmentHelper()
 638                         .uploadAttachment(p.image().get()) : null;
 639                 previews.add(new SignalServicePreview(p.url(),
 640                         p.title(),
 641                         p.description(),
 642                         0,
 643                         Optional.ofNullable(image)));
 644             }
 645             messageBuilder.withPreviews(previews);
 646         }
 647         if (message.storyReply().isPresent()) {
 648             final var storyReply = message.storyReply().get();
 649             final var authorServiceId = context.getRecipientHelper()
 650                     .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(storyReply.author()))
 651                     .getServiceId();
 652             messageBuilder.withStoryContext(new SignalServiceDataMessage.StoryContext(authorServiceId,
 653                     storyReply.timestamp()));
 654         }
 655     }
 656
 657     private ArrayList<SignalServiceDataMessage.Mention> resolveMentions(final List<Message.Mention> mentionList) throws UnregisteredRecipientException {
 658         final var mentions = new ArrayList<SignalServiceDataMessage.Mention>();
 659         for (final var m : mentionList) {
 660             final var recipientId = context.getRecipientHelper().resolveRecipient(m.recipient());
 661             mentions.add(new SignalServiceDataMessage.Mention(context.getRecipientHelper()
 662                     .resolveSignalServiceAddress(recipientId)
 663                     .getServiceId(), m.start(), m.length()));
 664         }
 665         return mentions;
 666     }
 667
 668     @Override
 669     public SendMessageResults sendRemoteDeleteMessage(
 670             long targetSentTimestamp, Set<RecipientIdentifier> recipients
 671     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 672         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
 673         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
 674         for (final var recipient : recipients) {
 675             if (recipient instanceof RecipientIdentifier.Single r) {
 676                 try {
 677                     final var recipientId = context.getRecipientHelper().resolveRecipient(r);
 678                     account.getMessageSendLogStore()
 679                             .deleteEntryForRecipientNonGroup(targetSentTimestamp,
 680                                     account.getRecipientAddressResolver()
 681                                             .resolveRecipientAddress(recipientId)
 682                                             .getServiceId());
 683                 } catch (UnregisteredRecipientException ignored) {
 684                 }
 685             } else if (recipient instanceof RecipientIdentifier.Group r) {
 686                 account.getMessageSendLogStore().deleteEntryForGroup(targetSentTimestamp, r.groupId());
 687             }
 688         }
 689         return sendMessage(messageBuilder, recipients);
 690     }
 691
 692     @Override
 693     public SendMessageResults sendMessageReaction(
 694             String emoji,
 695             boolean remove,
 696             RecipientIdentifier.Single targetAuthor,
 697             long targetSentTimestamp,
 698             Set<RecipientIdentifier> recipients,
 699             final boolean isStory
 700     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 701         var targetAuthorRecipientId = context.getRecipientHelper().resolveRecipient(targetAuthor);
 702         final var authorServiceId = context.getRecipientHelper()
 703                 .resolveSignalServiceAddress(targetAuthorRecipientId)
 704                 .getServiceId();
 705         var reaction = new SignalServiceDataMessage.Reaction(emoji, remove, authorServiceId, targetSentTimestamp);
 706         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 707         if (isStory) {
 708             messageBuilder.withStoryContext(new SignalServiceDataMessage.StoryContext(authorServiceId,
 709                     targetSentTimestamp));
 710         }
 711         return sendMessage(messageBuilder, recipients);
 712     }
 713
 714     @Override
 715     public SendMessageResults sendPaymentNotificationMessage(
 716             byte[] receipt, String note, RecipientIdentifier.Single recipient
 717     ) throws IOException {
 718         final var paymentNotification = new SignalServiceDataMessage.PaymentNotification(receipt, note);
 719         final var payment = new SignalServiceDataMessage.Payment(paymentNotification, null);
 720         final var messageBuilder = SignalServiceDataMessage.newBuilder().withPayment(payment);
 721         try {
 722             return sendMessage(messageBuilder, Set.of(recipient));
 723         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 724             throw new AssertionError(e);
 725         }
 726     }
 727
 728     @Override
 729     public SendMessageResults sendEndSessionMessage(Set<RecipientIdentifier.Single> recipients) throws IOException {
 730         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
 731
 732         try {
 733             return sendMessage(messageBuilder,
 734                     recipients.stream().map(RecipientIdentifier.class::cast).collect(Collectors.toSet()));
 735         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 736             throw new AssertionError(e);
 737         } finally {
 738             for (var recipient : recipients) {
 739                 final RecipientId recipientId;
 740                 try {
 741                     recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 742                 } catch (UnregisteredRecipientException e) {
 743                     continue;
 744                 }
 745                 final var serviceId = context.getAccount()
 746                         .getRecipientAddressResolver()
 747                         .resolveRecipientAddress(recipientId)
 748                         .getServiceId();
 749                 account.getAciSessionStore().deleteAllSessions(serviceId);
 750             }
 751         }
 752     }
 753
 754     @Override
 755     public void deleteRecipient(final RecipientIdentifier.Single recipient) {
 756         final var recipientIdOptional = context.getRecipientHelper().resolveRecipientOptional(recipient);
 757         if (recipientIdOptional.isPresent()) {
 758             account.removeRecipient(recipientIdOptional.get());
 759         }
 760     }
 761
 762     @Override
 763     public void deleteContact(final RecipientIdentifier.Single recipient) {
 764         final var recipientIdOptional = context.getRecipientHelper().resolveRecipientOptional(recipient);
 765         if (recipientIdOptional.isPresent()) {
 766             account.getContactStore().deleteContact(recipientIdOptional.get());
 767         }
 768     }
 769
 770     @Override
 771     public void setContactName(
 772             RecipientIdentifier.Single recipient, String givenName, final String familyName
 773     ) throws NotPrimaryDeviceException, UnregisteredRecipientException {
 774         if (!account.isPrimaryDevice()) {
 775             throw new NotPrimaryDeviceException();
 776         }
 777         context.getContactHelper()
 778                 .setContactName(context.getRecipientHelper().resolveRecipient(recipient), givenName, familyName);
 779     }
 780
 781     @Override
 782     public void setContactsBlocked(
 783             Collection<RecipientIdentifier.Single> recipients, boolean blocked
 784     ) throws NotPrimaryDeviceException, IOException, UnregisteredRecipientException {
 785         if (!account.isPrimaryDevice()) {
 786             throw new NotPrimaryDeviceException();
 787         }
 788         if (recipients.size() == 0) {
 789             return;
 790         }
 791         final var recipientIds = context.getRecipientHelper().resolveRecipients(recipients);
 792         final var selfRecipientId = account.getSelfRecipientId();
 793         boolean shouldRotateProfileKey = false;
 794         for (final var recipientId : recipientIds) {
 795             if (context.getContactHelper().isContactBlocked(recipientId) == blocked) {
 796                 continue;
 797             }
 798             context.getContactHelper().setContactBlocked(recipientId, blocked);
 799             // if we don't have a common group with the blocked contact we need to rotate the profile key
 800             shouldRotateProfileKey = blocked && (
 801                     shouldRotateProfileKey || account.getGroupStore()
 802                             .getGroups()
 803                             .stream()
 804                             .noneMatch(g -> g.isMember(selfRecipientId) && g.isMember(recipientId))
 805             );
 806         }
 807         if (shouldRotateProfileKey) {
 808             context.getProfileHelper().rotateProfileKey();
 809         }
 810         context.getSyncHelper().sendBlockedList();
 811     }
 812
 813     @Override
 814     public void setGroupsBlocked(
 815             final Collection<GroupId> groupIds, final boolean blocked
 816     ) throws GroupNotFoundException, NotPrimaryDeviceException, IOException {
 817         if (!account.isPrimaryDevice()) {
 818             throw new NotPrimaryDeviceException();
 819         }
 820         if (groupIds.size() == 0) {
 821             return;
 822         }
 823         boolean shouldRotateProfileKey = false;
 824         for (final var groupId : groupIds) {
 825             if (context.getGroupHelper().isGroupBlocked(groupId) == blocked) {
 826                 continue;
 827             }
 828             context.getGroupHelper().setGroupBlocked(groupId, blocked);
 829             shouldRotateProfileKey = blocked;
 830         }
 831         if (shouldRotateProfileKey) {
 832             context.getProfileHelper().rotateProfileKey();
 833         }
 834         context.getSyncHelper().sendBlockedList();
 835     }
 836
 837     @Override
 838     public void setExpirationTimer(
 839             RecipientIdentifier.Single recipient, int messageExpirationTimer
 840     ) throws IOException, UnregisteredRecipientException {
 841         var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 842         context.getContactHelper().setExpirationTimer(recipientId, messageExpirationTimer);
 843         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
 844         try {
 845             sendMessage(messageBuilder, Set.of(recipient));
 846         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 847             throw new AssertionError(e);
 848         }
 849     }
 850
 851     @Override
 852     public StickerPackUrl uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
 853         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
 854
 855         var messageSender = dependencies.getMessageSender();
 856
 857         var packKey = KeyUtils.createStickerUploadKey();
 858         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
 859         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
 860
 861         var sticker = new StickerPack(packId, packKey);
 862         account.getStickerStore().addStickerPack(sticker);
 863
 864         return new StickerPackUrl(packId, packKey);
 865     }
 866
 867     @Override
 868     public List<org.asamk.signal.manager.api.StickerPack> getStickerPacks() {
 869         final var stickerPackStore = context.getStickerPackStore();
 870         return account.getStickerStore().getStickerPacks().stream().map(pack -> {
 871             if (stickerPackStore.existsStickerPack(pack.packId())) {
 872                 try {
 873                     final var manifest = stickerPackStore.retrieveManifest(pack.packId());
 874                     return new org.asamk.signal.manager.api.StickerPack(pack.packId(),
 875                             new StickerPackUrl(pack.packId(), pack.packKey()),
 876                             pack.isInstalled(),
 877                             manifest.title(),
 878                             manifest.author(),
 879                             Optional.ofNullable(manifest.cover() == null ? null : manifest.cover().toApi()),
 880                             manifest.stickers().stream().map(JsonStickerPack.JsonSticker::toApi).toList());
 881                 } catch (Exception e) {
 882                     logger.warn("Failed to read local sticker pack manifest: {}", e.getMessage(), e);
 883                 }
 884             }
 885
 886             return new org.asamk.signal.manager.api.StickerPack(pack.packId(), pack.packKey(), pack.isInstalled());
 887         }).toList();
 888     }
 889
 890     @Override
 891     public void requestAllSyncData() throws IOException {
 892         context.getSyncHelper().requestAllSyncData();
 893         retrieveRemoteStorage();
 894     }
 895
 896     void retrieveRemoteStorage() throws IOException {
 897         context.getStorageHelper().readDataFromStorage();
 898     }
 899
 900     @Override
 901     public void addReceiveHandler(final ReceiveMessageHandler handler, final boolean isWeakListener) {
 902         synchronized (messageHandlers) {
 903             if (isWeakListener) {
 904                 weakHandlers.add(handler);
 905             } else {
 906                 messageHandlers.add(handler);
 907                 startReceiveThreadIfRequired();
 908             }
 909         }
 910     }
 911
 912     private static final AtomicInteger threadNumber = new AtomicInteger(0);
 913
 914     private void startReceiveThreadIfRequired() {
 915         if (receiveThread != null || isReceivingSynchronous) {
 916             return;
 917         }
 918         receiveThread = new Thread(() -> {
 919             logger.debug("Starting receiving messages");
 920             context.getReceiveHelper().receiveMessagesContinuously(this::passReceivedMessageToHandlers);
 921             logger.debug("Finished receiving messages");
 922             synchronized (messageHandlers) {
 923                 receiveThread = null;
 924
 925                 // Check if in the meantime another handler has been registered
 926                 if (!messageHandlers.isEmpty()) {
 927                     logger.debug("Another handler has been registered, starting receive thread again");
 928                     startReceiveThreadIfRequired();
 929                 }
 930             }
 931         });
 932         receiveThread.setName("receive-" + threadNumber.getAndIncrement());
 933
 934         receiveThread.start();
 935     }
 936
 937     private void passReceivedMessageToHandlers(MessageEnvelope envelope, Throwable e) {
 938         synchronized (messageHandlers) {
 939             Stream.concat(messageHandlers.stream(), weakHandlers.stream()).forEach(h -> {
 940                 try {
 941                     h.handleMessage(envelope, e);
 942                 } catch (Throwable ex) {
 943                     logger.warn("Message handler failed, ignoring", ex);
 944                 }
 945             });
 946         }
 947     }
 948
 949     @Override
 950     public void removeReceiveHandler(final ReceiveMessageHandler handler) {
 951         final Thread thread;
 952         synchronized (messageHandlers) {
 953             weakHandlers.remove(handler);
 954             messageHandlers.remove(handler);
 955             if (!messageHandlers.isEmpty() || receiveThread == null || isReceivingSynchronous) {
 956                 return;
 957             }
 958             thread = receiveThread;
 959             receiveThread = null;
 960         }
 961
 962         stopReceiveThread(thread);
 963     }
 964
 965     private void stopReceiveThread(final Thread thread) {
 966         if (context.getReceiveHelper().requestStopReceiveMessages()) {
 967             logger.debug("Receive stop requested, interrupting read from server.");
 968             thread.interrupt();
 969         }
 970         try {
 971             thread.join();
 972         } catch (InterruptedException ignored) {
 973         }
 974     }
 975
 976     @Override
 977     public boolean isReceiving() {
 978         if (isReceivingSynchronous) {
 979             return true;
 980         }
 981         synchronized (messageHandlers) {
 982             return messageHandlers.size() > 0;
 983         }
 984     }
 985
 986     @Override
 987     public void receiveMessages(
 988             Optional<Duration> timeout, Optional<Integer> maxMessages, ReceiveMessageHandler handler
 989     ) throws IOException, AlreadyReceivingException {
 990         receiveMessages(timeout.orElse(Duration.ofMinutes(1)), timeout.isPresent(), maxMessages.orElse(null), handler);
 991     }
 992
 993     private void receiveMessages(
 994             Duration timeout, boolean returnOnTimeout, Integer maxMessages, ReceiveMessageHandler handler
 995     ) throws IOException, AlreadyReceivingException {
 996         synchronized (messageHandlers) {
 997             if (isReceiving()) {
 998                 throw new AlreadyReceivingException("Already receiving message.");
 999             }
1000             isReceivingSynchronous = true;
1001             receiveThread = Thread.currentThread();
1002         }
1003         try {
1004             context.getReceiveHelper().receiveMessages(timeout, returnOnTimeout, maxMessages, (envelope, e) -> {
1005                 passReceivedMessageToHandlers(envelope, e);
1006                 handler.handleMessage(envelope, e);
1007             });
1008         } finally {
1009             synchronized (messageHandlers) {
1010                 receiveThread = null;
1011                 isReceivingSynchronous = false;
1012                 if (messageHandlers.size() > 0) {
1013                     startReceiveThreadIfRequired();
1014                 }
1015             }
1016         }
1017     }
1018
1019     @Override
1020     public void setReceiveConfig(final ReceiveConfig receiveConfig) {
1021         context.getReceiveHelper().setReceiveConfig(receiveConfig);
1022     }
1023
1024     @Override
1025     public boolean hasCaughtUpWithOldMessages() {
1026         return context.getReceiveHelper().hasCaughtUpWithOldMessages();
1027     }
1028
1029     @Override
1030     public boolean isContactBlocked(final RecipientIdentifier.Single recipient) {
1031         final RecipientId recipientId;
1032         try {
1033             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1034         } catch (UnregisteredRecipientException e) {
1035             return false;
1036         }
1037         return context.getContactHelper().isContactBlocked(recipientId);
1038     }
1039
1040     @Override
1041     public void sendContacts() throws IOException {
1042         context.getSyncHelper().sendContacts();
1043     }
1044
1045     @Override
1046     public List<Recipient> getRecipients(
1047             boolean onlyContacts,
1048             Optional<Boolean> blocked,
1049             Collection<RecipientIdentifier.Single> recipients,
1050             Optional<String> name
1051     ) {
1052         final var recipientIds = recipients.stream().map(a -> {
1053             try {
1054                 return context.getRecipientHelper().resolveRecipient(a);
1055             } catch (UnregisteredRecipientException e) {
1056                 return null;
1057             }
1058         }).filter(Objects::nonNull).collect(Collectors.toSet());
1059         if (!recipients.isEmpty() && recipientIds.isEmpty()) {
1060             return List.of();
1061         }
1062         // refresh profiles of explicitly given recipients
1063         context.getProfileHelper().refreshRecipientProfiles(recipientIds);
1064         return account.getRecipientStore()
1065                 .getRecipients(onlyContacts, blocked, recipientIds, name)
1066                 .stream()
1067                 .map(s -> new Recipient(s.getRecipientId(),
1068                         s.getAddress().toApiRecipientAddress(),
1069                         s.getContact(),
1070                         s.getProfileKey(),
1071                         s.getExpiringProfileKeyCredential(),
1072                         s.getProfile()))
1073                 .toList();
1074     }
1075
1076     @Override
1077     public String getContactOrProfileName(RecipientIdentifier.Single recipient) {
1078         final RecipientId recipientId;
1079         try {
1080             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1081         } catch (UnregisteredRecipientException e) {
1082             return null;
1083         }
1084
1085         final var contact = account.getContactStore().getContact(recipientId);
1086         if (contact != null && !Util.isEmpty(contact.getName())) {
1087             return contact.getName();
1088         }
1089
1090         final var profile = context.getProfileHelper().getRecipientProfile(recipientId);
1091         if (profile != null) {
1092             return profile.getDisplayName();
1093         }
1094
1095         return null;
1096     }
1097
1098     @Override
1099     public Group getGroup(GroupId groupId) {
1100         return toGroup(context.getGroupHelper().getGroup(groupId));
1101     }
1102
1103     @Override
1104     public List<Identity> getIdentities() {
1105         return account.getIdentityKeyStore().getIdentities().stream().map(this::toIdentity).toList();
1106     }
1107
1108     private Identity toIdentity(final IdentityInfo identityInfo) {
1109         if (identityInfo == null) {
1110             return null;
1111         }
1112
1113         final var address = account.getRecipientAddressResolver()
1114                 .resolveRecipientAddress(account.getRecipientResolver().resolveRecipient(identityInfo.getServiceId()));
1115         final var scannableFingerprint = context.getIdentityHelper()
1116                 .computeSafetyNumberForScanning(identityInfo.getServiceId(), identityInfo.getIdentityKey());
1117         return new Identity(address.toApiRecipientAddress(),
1118                 identityInfo.getIdentityKey(),
1119                 context.getIdentityHelper()
1120                         .computeSafetyNumber(identityInfo.getServiceId(), identityInfo.getIdentityKey()),
1121                 scannableFingerprint == null ? null : scannableFingerprint.getSerialized(),
1122                 identityInfo.getTrustLevel(),
1123                 identityInfo.getDateAddedTimestamp());
1124     }
1125
1126     @Override
1127     public List<Identity> getIdentities(RecipientIdentifier.Single recipient) {
1128         ServiceId serviceId;
1129         try {
1130             serviceId = account.getRecipientAddressResolver()
1131                     .resolveRecipientAddress(context.getRecipientHelper().resolveRecipient(recipient))
1132                     .getServiceId();
1133         } catch (UnregisteredRecipientException e) {
1134             return List.of();
1135         }
1136         final var identity = account.getIdentityKeyStore().getIdentityInfo(serviceId);
1137         return identity == null ? List.of() : List.of(toIdentity(identity));
1138     }
1139
1140     @Override
1141     public boolean trustIdentityVerified(
1142             RecipientIdentifier.Single recipient, byte[] fingerprint
1143     ) throws UnregisteredRecipientException {
1144         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityVerified(r, fingerprint));
1145     }
1146
1147     @Override
1148     public boolean trustIdentityVerifiedSafetyNumber(
1149             RecipientIdentifier.Single recipient, String safetyNumber
1150     ) throws UnregisteredRecipientException {
1151         return trustIdentity(recipient,
1152                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
1153     }
1154
1155     @Override
1156     public boolean trustIdentityVerifiedSafetyNumber(
1157             RecipientIdentifier.Single recipient, byte[] safetyNumber
1158     ) throws UnregisteredRecipientException {
1159         return trustIdentity(recipient,
1160                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
1161     }
1162
1163     @Override
1164     public boolean trustIdentityAllKeys(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
1165         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityAllKeys(r));
1166     }
1167
1168     private boolean trustIdentity(
1169             RecipientIdentifier.Single recipient, Function<RecipientId, Boolean> trustMethod
1170     ) throws UnregisteredRecipientException {
1171         final var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1172         final var updated = trustMethod.apply(recipientId);
1173         if (updated && this.isReceiving()) {
1174             context.getReceiveHelper().setNeedsToRetryFailedMessages(true);
1175         }
1176         return updated;
1177     }
1178
1179     @Override
1180     public void addAddressChangedListener(final Runnable listener) {
1181         synchronized (addressChangedListeners) {
1182             addressChangedListeners.add(listener);
1183         }
1184     }
1185
1186     @Override
1187     public void addClosedListener(final Runnable listener) {
1188         synchronized (closedListeners) {
1189             closedListeners.add(listener);
1190         }
1191     }
1192
1193     @Override
1194     public InputStream retrieveAttachment(final String id) throws IOException {
1195         return context.getAttachmentHelper().retrieveAttachment(id).getStream();
1196     }
1197
1198     @Override
1199     public void close() {
1200         Thread thread;
1201         synchronized (messageHandlers) {
1202             weakHandlers.clear();
1203             messageHandlers.clear();
1204             thread = receiveThread;
1205             receiveThread = null;
1206         }
1207         if (thread != null) {
1208             stopReceiveThread(thread);
1209         }
1210         executor.shutdown();
1211
1212         dependencies.getSignalWebSocket().disconnect();
1213         disposable.dispose();
1214
1215         if (account != null) {
1216             account.close();
1217         }
1218
1219         synchronized (closedListeners) {
1220             closedListeners.forEach(Runnable::run);
1221             closedListeners.clear();
1222         }
1223
1224         account = null;
1225     }
1226 }