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.CaptchaRejectedException;
  23 import org.asamk.signal.manager.api.CaptchaRequiredException;
  24 import org.asamk.signal.manager.api.Configuration;
  25 import org.asamk.signal.manager.api.Device;
  26 import org.asamk.signal.manager.api.DeviceLimitExceededException;
  27 import org.asamk.signal.manager.api.DeviceLinkUrl;
  28 import org.asamk.signal.manager.api.Group;
  29 import org.asamk.signal.manager.api.GroupId;
  30 import org.asamk.signal.manager.api.GroupInviteLinkUrl;
  31 import org.asamk.signal.manager.api.GroupNotFoundException;
  32 import org.asamk.signal.manager.api.GroupSendingNotAllowedException;
  33 import org.asamk.signal.manager.api.Identity;
  34 import org.asamk.signal.manager.api.IdentityVerificationCode;
  35 import org.asamk.signal.manager.api.InactiveGroupLinkException;
  36 import org.asamk.signal.manager.api.IncorrectPinException;
  37 import org.asamk.signal.manager.api.InvalidDeviceLinkException;
  38 import org.asamk.signal.manager.api.InvalidNumberException;
  39 import org.asamk.signal.manager.api.InvalidStickerException;
  40 import org.asamk.signal.manager.api.InvalidUsernameException;
  41 import org.asamk.signal.manager.api.LastGroupAdminException;
  42 import org.asamk.signal.manager.api.Message;
  43 import org.asamk.signal.manager.api.MessageEnvelope;
  44 import org.asamk.signal.manager.api.MessageEnvelope.Sync.MessageRequestResponse;
  45 import org.asamk.signal.manager.api.NonNormalizedPhoneNumberException;
  46 import org.asamk.signal.manager.api.NotAGroupMemberException;
  47 import org.asamk.signal.manager.api.NotPrimaryDeviceException;
  48 import org.asamk.signal.manager.api.Pair;
  49 import org.asamk.signal.manager.api.PendingAdminApprovalException;
  50 import org.asamk.signal.manager.api.PhoneNumberSharingMode;
  51 import org.asamk.signal.manager.api.PinLockedException;
  52 import org.asamk.signal.manager.api.Profile;
  53 import org.asamk.signal.manager.api.RateLimitException;
  54 import org.asamk.signal.manager.api.ReceiveConfig;
  55 import org.asamk.signal.manager.api.Recipient;
  56 import org.asamk.signal.manager.api.RecipientIdentifier;
  57 import org.asamk.signal.manager.api.SendGroupMessageResults;
  58 import org.asamk.signal.manager.api.SendMessageResult;
  59 import org.asamk.signal.manager.api.SendMessageResults;
  60 import org.asamk.signal.manager.api.StickerPackId;
  61 import org.asamk.signal.manager.api.StickerPackInvalidException;
  62 import org.asamk.signal.manager.api.StickerPackUrl;
  63 import org.asamk.signal.manager.api.TextStyle;
  64 import org.asamk.signal.manager.api.TypingAction;
  65 import org.asamk.signal.manager.api.UnregisteredRecipientException;
  66 import org.asamk.signal.manager.api.UpdateGroup;
  67 import org.asamk.signal.manager.api.UpdateProfile;
  68 import org.asamk.signal.manager.api.UserStatus;
  69 import org.asamk.signal.manager.api.UsernameLinkUrl;
  70 import org.asamk.signal.manager.api.UsernameStatus;
  71 import org.asamk.signal.manager.api.VerificationMethodNotAvailableException;
  72 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  73 import org.asamk.signal.manager.helper.AccountFileUpdater;
  74 import org.asamk.signal.manager.helper.Context;
  75 import org.asamk.signal.manager.helper.RecipientHelper.RegisteredUser;
  76 import org.asamk.signal.manager.jobs.RefreshRecipientsJob;
  77 import org.asamk.signal.manager.jobs.SyncStorageJob;
  78 import org.asamk.signal.manager.storage.AttachmentStore;
  79 import org.asamk.signal.manager.storage.AvatarStore;
  80 import org.asamk.signal.manager.storage.SignalAccount;
  81 import org.asamk.signal.manager.storage.groups.GroupInfo;
  82 import org.asamk.signal.manager.storage.identities.IdentityInfo;
  83 import org.asamk.signal.manager.storage.recipients.RecipientAddress;
  84 import org.asamk.signal.manager.storage.recipients.RecipientId;
  85 import org.asamk.signal.manager.storage.stickerPacks.JsonStickerPack;
  86 import org.asamk.signal.manager.storage.stickerPacks.StickerPackStore;
  87 import org.asamk.signal.manager.storage.stickers.StickerPack;
  88 import org.asamk.signal.manager.util.AttachmentUtils;
  89 import org.asamk.signal.manager.util.KeyUtils;
  90 import org.asamk.signal.manager.util.MimeUtils;
  91 import org.asamk.signal.manager.util.PhoneNumberFormatter;
  92 import org.asamk.signal.manager.util.StickerUtils;
  93 import org.signal.libsignal.protocol.InvalidMessageException;
  94 import org.signal.libsignal.usernames.BaseUsernameException;
  95 import org.slf4j.Logger;
  96 import org.slf4j.LoggerFactory;
  97 import org.whispersystems.signalservice.api.messages.SignalServiceAttachment;
  98 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
  99 import org.whispersystems.signalservice.api.messages.SignalServicePreview;
 100 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
 101 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
 102 import org.whispersystems.signalservice.api.push.ServiceId;
 103 import org.whispersystems.signalservice.api.push.ServiceId.ACI;
 104 import org.whispersystems.signalservice.api.push.ServiceId.PNI;
 105 import org.whispersystems.signalservice.api.push.ServiceIdType;
 106 import org.whispersystems.signalservice.api.push.exceptions.CdsiResourceExhaustedException;
 107 import org.whispersystems.signalservice.api.push.exceptions.UsernameMalformedException;
 108 import org.whispersystems.signalservice.api.push.exceptions.UsernameTakenException;
 109 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
 110 import org.whispersystems.signalservice.api.util.StreamDetails;
 111 import org.whispersystems.signalservice.internal.util.Hex;
 112 import org.whispersystems.signalservice.internal.util.Util;
 113
 114 import java.io.ByteArrayInputStream;
 115 import java.io.File;
 116 import java.io.FileNotFoundException;
 117 import java.io.IOException;
 118 import java.io.InputStream;
 119 import java.nio.charset.StandardCharsets;
 120 import java.time.Duration;
 121 import java.util.ArrayList;
 122 import java.util.Collection;
 123 import java.util.HashMap;
 124 import java.util.HashSet;
 125 import java.util.List;
 126 import java.util.Map;
 127 import java.util.Objects;
 128 import java.util.Optional;
 129 import java.util.Set;
 130 import java.util.concurrent.ExecutorService;
 131 import java.util.concurrent.Executors;
 132 import java.util.concurrent.TimeUnit;
 133 import java.util.concurrent.atomic.AtomicInteger;
 134 import java.util.concurrent.atomic.AtomicLong;
 135 import java.util.function.Function;
 136 import java.util.stream.Collectors;
 137 import java.util.stream.Stream;
 138
 139 import io.reactivex.rxjava3.disposables.CompositeDisposable;
 140 import io.reactivex.rxjava3.schedulers.Schedulers;
 141 import okio.Utf8;
 142
 143 import static org.asamk.signal.manager.config.ServiceConfig.MAX_MESSAGE_SIZE_BYTES;
 144 import static org.asamk.signal.manager.util.Utils.handleResponseException;
 145 import static org.signal.core.util.StringExtensionsKt.splitByByteLength;
 146
 147 public class ManagerImpl implements Manager {
 148
 149     private static final Logger logger = LoggerFactory.getLogger(ManagerImpl.class);
 150
 151     private SignalAccount account;
 152     private final SignalDependencies dependencies;
 153     private final Context context;
 154
 155     private final ExecutorService executor = Executors.newCachedThreadPool();
 156
 157     private Thread receiveThread;
 158     private boolean isReceivingSynchronous;
 159     private final Set<ReceiveMessageHandler> weakHandlers = new HashSet<>();
 160     private final Set<ReceiveMessageHandler> messageHandlers = new HashSet<>();
 161     private final List<Runnable> closedListeners = new ArrayList<>();
 162     private final List<Runnable> addressChangedListeners = new ArrayList<>();
 163     private final CompositeDisposable disposable = new CompositeDisposable();
 164     private final AtomicLong lastMessageTimestamp = new AtomicLong();
 165
 166     public ManagerImpl(
 167             SignalAccount account,
 168             PathConfig pathConfig,
 169             AccountFileUpdater accountFileUpdater,
 170             ServiceEnvironmentConfig serviceEnvironmentConfig,
 171             String userAgent
 172     ) {
 173         this.account = account;
 174
 175         final var sessionLock = new ReentrantSignalSessionLock();
 176         this.dependencies = new SignalDependencies(serviceEnvironmentConfig,
 177                 userAgent,
 178                 account.getCredentialsProvider(),
 179                 account.getSignalServiceDataStore(),
 180                 executor,
 181                 sessionLock);
 182         final var avatarStore = new AvatarStore(pathConfig.avatarsPath());
 183         final var attachmentStore = new AttachmentStore(pathConfig.attachmentsPath());
 184         final var stickerPackStore = new StickerPackStore(pathConfig.stickerPacksPath());
 185
 186         this.context = new Context(account, new AccountFileUpdater() {
 187             @Override
 188             public void updateAccountIdentifiers(final String number, final ACI aci) {
 189                 accountFileUpdater.updateAccountIdentifiers(number, aci);
 190                 synchronized (addressChangedListeners) {
 191                     addressChangedListeners.forEach(Runnable::run);
 192                 }
 193             }
 194
 195             @Override
 196             public void removeAccount() {
 197                 accountFileUpdater.removeAccount();
 198             }
 199         }, dependencies, avatarStore, attachmentStore, stickerPackStore);
 200         this.context.getAccountHelper().setUnregisteredListener(this::close);
 201         this.context.getReceiveHelper().setAuthenticationFailureListener(this::close);
 202         this.context.getReceiveHelper().setCaughtUpWithOldMessagesListener(() -> {
 203             synchronized (this) {
 204                 this.notifyAll();
 205             }
 206         });
 207         disposable.add(account.getIdentityKeyStore()
 208                 .getIdentityChanges()
 209                 .observeOn(Schedulers.from(executor))
 210                 .subscribe(serviceId -> {
 211                     logger.trace("Archiving old sessions for {}", serviceId);
 212                     account.getAccountData(ServiceIdType.ACI).getSessionStore().archiveSessions(serviceId);
 213                     account.getAccountData(ServiceIdType.PNI).getSessionStore().archiveSessions(serviceId);
 214                     account.getSenderKeyStore().deleteSharedWith(serviceId);
 215                     final var recipientId = account.getRecipientResolver().resolveRecipient(serviceId);
 216                     final var profile = account.getProfileStore().getProfile(recipientId);
 217                     if (profile != null) {
 218                         account.getProfileStore()
 219                                 .storeProfile(recipientId,
 220                                         Profile.newBuilder(profile)
 221                                                 .withUnidentifiedAccessMode(Profile.UnidentifiedAccessMode.UNKNOWN)
 222                                                 .withLastUpdateTimestamp(0)
 223                                                 .build());
 224                     }
 225                 }));
 226     }
 227
 228     @Override
 229     public String getSelfNumber() {
 230         return account.getNumber();
 231     }
 232
 233     public void checkAccountState() throws IOException {
 234         context.getAccountHelper().checkAccountState();
 235         final var lastRecipientsRefresh = account.getLastRecipientsRefresh();
 236         if (lastRecipientsRefresh == null
 237                 || lastRecipientsRefresh < System.currentTimeMillis() - TimeUnit.DAYS.toMillis(1)) {
 238             context.getJobExecutor().enqueueJob(new RefreshRecipientsJob());
 239             context.getAccountHelper().checkWhoAmiI();
 240         }
 241     }
 242
 243     @Override
 244     public Map<String, UserStatus> getUserStatus(Set<String> numbers) throws IOException, RateLimitException {
 245         final var canonicalizedNumbers = numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 246             try {
 247                 final var canonicalizedNumber = PhoneNumberFormatter.formatNumber(n, account.getNumber());
 248                 if (!canonicalizedNumber.equals(n)) {
 249                     logger.debug("Normalized number {} to {}.", n, canonicalizedNumber);
 250                 }
 251                 return canonicalizedNumber;
 252             } catch (InvalidNumberException e) {
 253                 return "";
 254             }
 255         }));
 256
 257         // Note "registeredUsers" has no optionals. It only gives us info on users who are registered
 258         final var canonicalizedNumbersSet = canonicalizedNumbers.values()
 259                 .stream()
 260                 .filter(s -> !s.isEmpty())
 261                 .collect(Collectors.toSet());
 262
 263         final Map<String, RegisteredUser> registeredUsers;
 264         try {
 265             registeredUsers = context.getRecipientHelper().getRegisteredUsers(canonicalizedNumbersSet);
 266         } catch (CdsiResourceExhaustedException e) {
 267             logger.debug("CDSI resource exhausted: {}", e.getMessage());
 268             throw new RateLimitException(System.currentTimeMillis() + e.getRetryAfterSeconds() * 1000L);
 269         }
 270
 271         return numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 272             final var number = canonicalizedNumbers.get(n);
 273             final var user = registeredUsers.get(number);
 274             final var serviceId = user == null ? null : user.getServiceId();
 275             final var profile = serviceId == null
 276                     ? null
 277                     : context.getProfileHelper()
 278                             .getRecipientProfile(account.getRecipientResolver().resolveRecipient(serviceId));
 279             return new UserStatus(number.isEmpty() ? null : number,
 280                     serviceId == null ? null : serviceId.getRawUuid(),
 281                     profile != null
 282                             && profile.getUnidentifiedAccessMode() == Profile.UnidentifiedAccessMode.UNRESTRICTED);
 283         }));
 284     }
 285
 286     @Override
 287     public Map<String, UsernameStatus> getUsernameStatus(Set<String> usernames) {
 288         final var registeredUsers = new HashMap<String, RecipientAddress>();
 289         for (final var username : usernames) {
 290             try {
 291                 final var recipientId = context.getRecipientHelper().resolveRecipientByUsernameOrLink(username, true);
 292                 final var address = account.getRecipientAddressResolver().resolveRecipientAddress(recipientId);
 293                 registeredUsers.put(username, address);
 294             } catch (UnregisteredRecipientException e) {
 295                 // ignore
 296             }
 297         }
 298
 299         return usernames.stream().collect(Collectors.toMap(n -> n, username -> {
 300             final var user = registeredUsers.get(username);
 301             final var serviceId = user == null ? null : user.serviceId().orElse(null);
 302             final var profile = serviceId == null
 303                     ? null
 304                     : context.getProfileHelper()
 305                             .getRecipientProfile(account.getRecipientResolver().resolveRecipient(serviceId));
 306             return new UsernameStatus(username,
 307                     serviceId == null ? null : serviceId.getRawUuid(),
 308                     profile != null
 309                             && profile.getUnidentifiedAccessMode() == Profile.UnidentifiedAccessMode.UNRESTRICTED);
 310         }));
 311     }
 312
 313     @Override
 314     public void updateAccountAttributes(
 315             String deviceName,
 316             Boolean unrestrictedUnidentifiedSender,
 317             final Boolean discoverableByNumber,
 318             final Boolean numberSharing
 319     ) throws IOException {
 320         if (deviceName != null) {
 321             context.getAccountHelper().setDeviceName(deviceName);
 322         }
 323         if (unrestrictedUnidentifiedSender != null) {
 324             account.setUnrestrictedUnidentifiedAccess(unrestrictedUnidentifiedSender);
 325         }
 326         if (discoverableByNumber != null) {
 327             account.getConfigurationStore().setPhoneNumberUnlisted(!discoverableByNumber);
 328         }
 329         if (numberSharing != null) {
 330             account.getConfigurationStore()
 331                     .setPhoneNumberSharingMode(numberSharing
 332                             ? PhoneNumberSharingMode.EVERYBODY
 333                             : PhoneNumberSharingMode.NOBODY);
 334         }
 335         context.getAccountHelper().updateAccountAttributes();
 336         context.getAccountHelper().checkWhoAmiI();
 337     }
 338
 339     @Override
 340     public Configuration getConfiguration() {
 341         final var configurationStore = account.getConfigurationStore();
 342         return Configuration.from(configurationStore);
 343     }
 344
 345     @Override
 346     public void updateConfiguration(Configuration configuration) {
 347         final var configurationStore = account.getConfigurationStore();
 348         if (configuration.readReceipts().isPresent()) {
 349             configurationStore.setReadReceipts(configuration.readReceipts().get());
 350         }
 351         if (configuration.unidentifiedDeliveryIndicators().isPresent()) {
 352             configurationStore.setUnidentifiedDeliveryIndicators(configuration.unidentifiedDeliveryIndicators().get());
 353         }
 354         if (configuration.typingIndicators().isPresent()) {
 355             configurationStore.setTypingIndicators(configuration.typingIndicators().get());
 356         }
 357         if (configuration.linkPreviews().isPresent()) {
 358             configurationStore.setLinkPreviews(configuration.linkPreviews().get());
 359         }
 360         context.getSyncHelper().sendConfigurationMessage();
 361         syncRemoteStorage();
 362     }
 363
 364     @Override
 365     public void updateProfile(UpdateProfile updateProfile) throws IOException {
 366         context.getProfileHelper()
 367                 .setProfile(updateProfile.getGivenName(),
 368                         updateProfile.getFamilyName(),
 369                         updateProfile.getAbout(),
 370                         updateProfile.getAboutEmoji(),
 371                         updateProfile.isDeleteAvatar()
 372                                 ? Optional.empty()
 373                                 : updateProfile.getAvatar() == null ? null : Optional.of(updateProfile.getAvatar()),
 374                         updateProfile.getMobileCoinAddress());
 375         context.getSyncHelper().sendSyncFetchProfileMessage();
 376     }
 377
 378     void refreshCurrentUsername() throws IOException, BaseUsernameException {
 379         context.getAccountHelper().refreshCurrentUsername();
 380     }
 381
 382     @Override
 383     public String getUsername() {
 384         return account.getUsername();
 385     }
 386
 387     @Override
 388     public UsernameLinkUrl getUsernameLink() {
 389         return new UsernameLinkUrl(account.getUsernameLink());
 390     }
 391
 392     @Override
 393     public void setUsername(final String username) throws IOException, InvalidUsernameException {
 394         try {
 395             if (username.contains(".")) {
 396                 context.getAccountHelper().reserveExactUsername(username);
 397             } else {
 398                 context.getAccountHelper().reserveUsernameFromNickname(username);
 399             }
 400         } catch (UsernameMalformedException e) {
 401             throw new InvalidUsernameException("Username is malformed", e);
 402         } catch (UsernameTakenException e) {
 403             throw new InvalidUsernameException("Username is already registered", e);
 404         } catch (BaseUsernameException e) {
 405             throw new InvalidUsernameException(e.getMessage() + " (" + e.getClass().getSimpleName() + ")", e);
 406         }
 407     }
 408
 409     @Override
 410     public void deleteUsername() throws IOException {
 411         context.getAccountHelper().deleteUsername();
 412     }
 413
 414     @Override
 415     public void startChangeNumber(
 416             String newNumber,
 417             boolean voiceVerification,
 418             String captcha
 419     ) throws RateLimitException, IOException, CaptchaRequiredException, NonNormalizedPhoneNumberException, NotPrimaryDeviceException, VerificationMethodNotAvailableException {
 420         if (!account.isPrimaryDevice()) {
 421             throw new NotPrimaryDeviceException();
 422         }
 423         context.getAccountHelper().startChangeNumber(newNumber, voiceVerification, captcha);
 424     }
 425
 426     @Override
 427     public void finishChangeNumber(
 428             String newNumber,
 429             String verificationCode,
 430             String pin
 431     ) throws IncorrectPinException, PinLockedException, IOException, NotPrimaryDeviceException {
 432         if (!account.isPrimaryDevice()) {
 433             throw new NotPrimaryDeviceException();
 434         }
 435         context.getAccountHelper().finishChangeNumber(newNumber, verificationCode, pin);
 436     }
 437
 438     @Override
 439     public void unregister() throws IOException {
 440         context.getAccountHelper().unregister();
 441     }
 442
 443     @Override
 444     public void deleteAccount() throws IOException {
 445         context.getAccountHelper().deleteAccount();
 446     }
 447
 448     @Override
 449     public void submitRateLimitRecaptchaChallenge(
 450             String challenge,
 451             String captcha
 452     ) throws IOException, CaptchaRejectedException {
 453         captcha = captcha == null ? "" : captcha.replace("signalcaptcha://", "");
 454
 455         try {
 456             handleResponseException(dependencies.getRateLimitChallengeApi().submitCaptchaChallenge(challenge, captcha));
 457         } catch (org.whispersystems.signalservice.internal.push.exceptions.CaptchaRejectedException ignored) {
 458             throw new CaptchaRejectedException();
 459         }
 460     }
 461
 462     @Override
 463     public List<Device> getLinkedDevices() throws IOException {
 464         var devices = handleResponseException(dependencies.getLinkDeviceApi().getDevices());
 465         account.setMultiDevice(devices.size() > 1);
 466         var identityKey = account.getAciIdentityKeyPair().getPrivateKey();
 467         return devices.stream().map(d -> {
 468             String deviceName = d.getName();
 469             if (deviceName != null) {
 470                 try {
 471                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 472                 } catch (IOException e) {
 473                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 474                 }
 475             }
 476             return new Device(d.getId(),
 477                     deviceName,
 478                     d.getCreated(),
 479                     d.getLastSeen(),
 480                     d.getId() == account.getDeviceId());
 481         }).toList();
 482     }
 483
 484     @Override
 485     public void removeLinkedDevices(int deviceId) throws IOException, NotPrimaryDeviceException {
 486         if (!account.isPrimaryDevice()) {
 487             throw new NotPrimaryDeviceException();
 488         }
 489         context.getAccountHelper().removeLinkedDevices(deviceId);
 490     }
 491
 492     @Override
 493     public void addDeviceLink(DeviceLinkUrl linkUrl) throws IOException, InvalidDeviceLinkException, NotPrimaryDeviceException, DeviceLimitExceededException {
 494         if (!account.isPrimaryDevice()) {
 495             throw new NotPrimaryDeviceException();
 496         }
 497         context.getAccountHelper().addDevice(linkUrl);
 498     }
 499
 500     @Override
 501     public void setRegistrationLockPin(Optional<String> pin) throws IOException, NotPrimaryDeviceException {
 502         if (!account.isPrimaryDevice()) {
 503             throw new NotPrimaryDeviceException();
 504         }
 505         if (pin.isPresent()) {
 506             context.getAccountHelper().setRegistrationPin(pin.get());
 507         } else {
 508             context.getAccountHelper().removeRegistrationPin();
 509         }
 510     }
 511
 512     void refreshPreKeys() throws IOException {
 513         context.getPreKeyHelper().refreshPreKeysIfNecessary();
 514     }
 515
 516     @Override
 517     public List<Group> getGroups() {
 518         return context.getGroupHelper().getGroups().stream().map(this::toGroup).toList();
 519     }
 520
 521     private Group toGroup(final GroupInfo groupInfo) {
 522         if (groupInfo == null) {
 523             return null;
 524         }
 525
 526         return Group.from(groupInfo, account.getRecipientAddressResolver(), account.getSelfRecipientId());
 527     }
 528
 529     @Override
 530     public SendGroupMessageResults quitGroup(
 531             GroupId groupId,
 532             Set<RecipientIdentifier.Single> groupAdmins
 533     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, LastGroupAdminException, UnregisteredRecipientException {
 534         final var newAdmins = context.getRecipientHelper().resolveRecipients(groupAdmins);
 535         return context.getGroupHelper().quitGroup(groupId, newAdmins);
 536     }
 537
 538     @Override
 539     public void deleteGroup(GroupId groupId) throws IOException {
 540         final var group = context.getGroupHelper().getGroup(groupId);
 541         if (group.isMember(account.getSelfRecipientId())) {
 542             throw new IOException(
 543                     "The local group information cannot be removed, as the user is still a member of the group");
 544         }
 545         context.getGroupHelper().deleteGroup(groupId);
 546     }
 547
 548     @Override
 549     public Pair<GroupId, SendGroupMessageResults> createGroup(
 550             String name,
 551             Set<RecipientIdentifier.Single> members,
 552             String avatarFile
 553     ) throws IOException, AttachmentInvalidException, UnregisteredRecipientException {
 554         return context.getGroupHelper()
 555                 .createGroup(name,
 556                         members == null ? null : context.getRecipientHelper().resolveRecipients(members),
 557                         avatarFile);
 558     }
 559
 560     @Override
 561     public SendGroupMessageResults updateGroup(
 562             final GroupId groupId,
 563             final UpdateGroup updateGroup
 564     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 565         return context.getGroupHelper()
 566                 .updateGroup(groupId,
 567                         updateGroup.getName(),
 568                         updateGroup.getDescription(),
 569                         updateGroup.getMembers() == null
 570                                 ? null
 571                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getMembers()),
 572                         updateGroup.getRemoveMembers() == null
 573                                 ? null
 574                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveMembers()),
 575                         updateGroup.getAdmins() == null
 576                                 ? null
 577                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getAdmins()),
 578                         updateGroup.getRemoveAdmins() == null
 579                                 ? null
 580                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveAdmins()),
 581                         updateGroup.getBanMembers() == null
 582                                 ? null
 583                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getBanMembers()),
 584                         updateGroup.getUnbanMembers() == null
 585                                 ? null
 586                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getUnbanMembers()),
 587                         updateGroup.isResetGroupLink(),
 588                         updateGroup.getGroupLinkState(),
 589                         updateGroup.getAddMemberPermission(),
 590                         updateGroup.getEditDetailsPermission(),
 591                         updateGroup.getAvatarFile(),
 592                         updateGroup.getExpirationTimer(),
 593                         updateGroup.getIsAnnouncementGroup());
 594     }
 595
 596     @Override
 597     public Pair<GroupId, SendGroupMessageResults> joinGroup(
 598             GroupInviteLinkUrl inviteLinkUrl
 599     ) throws IOException, InactiveGroupLinkException, PendingAdminApprovalException {
 600         return context.getGroupHelper().joinGroup(inviteLinkUrl);
 601     }
 602
 603     private long getNextMessageTimestamp() {
 604         while (true) {
 605             final var last = lastMessageTimestamp.get();
 606             final var timestamp = System.currentTimeMillis();
 607             if (last == timestamp) {
 608                 try {
 609                     Thread.sleep(1);
 610                 } catch (InterruptedException e) {
 611                     Thread.currentThread().interrupt();
 612                 }
 613                 continue;
 614             }
 615             if (lastMessageTimestamp.compareAndSet(last, timestamp)) {
 616                 return timestamp;
 617             }
 618         }
 619     }
 620
 621     private SendMessageResults sendMessage(
 622             SignalServiceDataMessage.Builder messageBuilder,
 623             Set<RecipientIdentifier> recipients,
 624             boolean notifySelf
 625     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 626         return sendMessage(messageBuilder, recipients, notifySelf, Optional.empty());
 627     }
 628
 629     private SendMessageResults sendMessage(
 630             SignalServiceDataMessage.Builder messageBuilder,
 631             Set<RecipientIdentifier> recipients,
 632             boolean notifySelf,
 633             Optional<Long> editTargetTimestamp
 634     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 635         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 636         long timestamp = getNextMessageTimestamp();
 637         messageBuilder.withTimestamp(timestamp);
 638         for (final var recipient : recipients) {
 639             if (recipient instanceof RecipientIdentifier.NoteToSelf || (
 640                     recipient instanceof RecipientIdentifier.Single single
 641                             && new RecipientAddress(single.toPartialRecipientAddress()).matches(account.getSelfRecipientAddress())
 642             )) {
 643                 final var result = notifySelf
 644                         ? context.getSendHelper()
 645                         .sendMessage(messageBuilder, account.getSelfRecipientId(), editTargetTimestamp)
 646                         : context.getSendHelper().sendSelfMessage(messageBuilder, editTargetTimestamp);
 647                 results.put(recipient, List.of(toSendMessageResult(result)));
 648             } else if (recipient instanceof RecipientIdentifier.Single single) {
 649                 try {
 650                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 651                     final var result = context.getSendHelper()
 652                             .sendMessage(messageBuilder, recipientId, editTargetTimestamp);
 653                     results.put(recipient, List.of(toSendMessageResult(result)));
 654                 } catch (UnregisteredRecipientException e) {
 655                     results.put(recipient,
 656                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 657                 }
 658             } else if (recipient instanceof RecipientIdentifier.Group group) {
 659                 final var result = context.getSendHelper()
 660                         .sendAsGroupMessage(messageBuilder, group.groupId(), notifySelf, editTargetTimestamp);
 661                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 662             }
 663         }
 664         return new SendMessageResults(timestamp, results);
 665     }
 666
 667     private SendMessageResult toSendMessageResult(final org.whispersystems.signalservice.api.messages.SendMessageResult result) {
 668         return SendMessageResult.from(result, account.getRecipientResolver(), account.getRecipientAddressResolver());
 669     }
 670
 671     private SendMessageResults sendTypingMessage(
 672             SignalServiceTypingMessage.Action action,
 673             Set<RecipientIdentifier> recipients
 674     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 675         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 676         final var timestamp = getNextMessageTimestamp();
 677         for (var recipient : recipients) {
 678             if (recipient instanceof RecipientIdentifier.Single single) {
 679                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.empty());
 680                 try {
 681                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 682                     final var result = context.getSendHelper().sendTypingMessage(message, recipientId);
 683                     results.put(recipient, List.of(toSendMessageResult(result)));
 684                 } catch (UnregisteredRecipientException e) {
 685                     results.put(recipient,
 686                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 687                 }
 688             } else if (recipient instanceof RecipientIdentifier.Group) {
 689                 final var groupId = ((RecipientIdentifier.Group) recipient).groupId();
 690                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.of(groupId.serialize()));
 691                 final var result = context.getSendHelper().sendGroupTypingMessage(message, groupId);
 692                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 693             }
 694         }
 695         return new SendMessageResults(timestamp, results);
 696     }
 697
 698     @Override
 699     public SendMessageResults sendTypingMessage(
 700             TypingAction action,
 701             Set<RecipientIdentifier> recipients
 702     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 703         return sendTypingMessage(action.toSignalService(), recipients);
 704     }
 705
 706     @Override
 707     public SendMessageResults sendReadReceipt(RecipientIdentifier.Single sender, List<Long> messageIds) {
 708         final var timestamp = getNextMessageTimestamp();
 709         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.READ,
 710                 messageIds,
 711                 timestamp);
 712
 713         return sendReceiptMessage(sender, timestamp, receiptMessage);
 714     }
 715
 716     @Override
 717     public SendMessageResults sendViewedReceipt(RecipientIdentifier.Single sender, List<Long> messageIds) {
 718         final var timestamp = getNextMessageTimestamp();
 719         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.VIEWED,
 720                 messageIds,
 721                 timestamp);
 722
 723         return sendReceiptMessage(sender, timestamp, receiptMessage);
 724     }
 725
 726     private SendMessageResults sendReceiptMessage(
 727             final RecipientIdentifier.Single sender,
 728             final long timestamp,
 729             final SignalServiceReceiptMessage receiptMessage
 730     ) {
 731         try {
 732             final var recipientId = context.getRecipientHelper().resolveRecipient(sender);
 733             final var result = context.getSendHelper().sendReceiptMessage(receiptMessage, recipientId);
 734
 735             final var serviceId = account.getRecipientAddressResolver()
 736                     .resolveRecipientAddress(recipientId)
 737                     .serviceId();
 738             if (serviceId.isPresent()) {
 739                 context.getSyncHelper().sendSyncReceiptMessage(serviceId.get(), receiptMessage);
 740             }
 741             return new SendMessageResults(timestamp, Map.of(sender, List.of(toSendMessageResult(result))));
 742         } catch (UnregisteredRecipientException e) {
 743             return new SendMessageResults(timestamp,
 744                     Map.of(sender, List.of(SendMessageResult.unregisteredFailure(sender.toPartialRecipientAddress()))));
 745         }
 746     }
 747
 748     @Override
 749     public SendMessageResults sendMessage(
 750             Message message,
 751             Set<RecipientIdentifier> recipients,
 752             boolean notifySelf
 753     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 754         final var selfProfile = context.getProfileHelper().getSelfProfile();
 755         if (selfProfile == null || selfProfile.getDisplayName().isEmpty()) {
 756             logger.warn(
 757                     "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.");
 758         }
 759         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 760         applyMessage(messageBuilder, message);
 761         return sendMessage(messageBuilder, recipients, notifySelf);
 762     }
 763
 764     @Override
 765     public SendMessageResults sendEditMessage(
 766             Message message,
 767             Set<RecipientIdentifier> recipients,
 768             long editTargetTimestamp
 769     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 770         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 771         applyMessage(messageBuilder, message);
 772         return sendMessage(messageBuilder, recipients, false, Optional.of(editTargetTimestamp));
 773     }
 774
 775     private void applyMessage(
 776             final SignalServiceDataMessage.Builder messageBuilder,
 777             final Message message
 778     ) throws AttachmentInvalidException, IOException, UnregisteredRecipientException, InvalidStickerException {
 779         final var additionalAttachments = new ArrayList<SignalServiceAttachment>();
 780         if (Utf8.size(message.messageText()) > MAX_MESSAGE_SIZE_BYTES) {
 781             final var result = splitByByteLength(message.messageText(), MAX_MESSAGE_SIZE_BYTES);
 782             final var trimmed = result.getFirst();
 783             final var remainder = result.getSecond();
 784             if (remainder != null) {
 785                 final var messageBytes = message.messageText().getBytes(StandardCharsets.UTF_8);
 786                 final var uploadSpec = dependencies.getMessageSender().getResumableUploadSpec();
 787                 final var streamDetails = new StreamDetails(new ByteArrayInputStream(messageBytes),
 788                         MimeUtils.LONG_TEXT,
 789                         messageBytes.length);
 790                 final var textAttachment = AttachmentUtils.createAttachmentStream(streamDetails,
 791                         Optional.empty(),
 792                         uploadSpec);
 793                 messageBuilder.withBody(trimmed);
 794                 additionalAttachments.add(context.getAttachmentHelper().uploadAttachment(textAttachment));
 795             } else {
 796                 messageBuilder.withBody(message.messageText());
 797             }
 798         } else {
 799             messageBuilder.withBody(message.messageText());
 800         }
 801         if (!message.attachments().isEmpty()) {
 802             final var uploadedAttachments = context.getAttachmentHelper().uploadAttachments(message.attachments());
 803             if (!additionalAttachments.isEmpty()) {
 804                 additionalAttachments.addAll(uploadedAttachments);
 805                 messageBuilder.withAttachments(additionalAttachments);
 806             } else {
 807                 messageBuilder.withAttachments(uploadedAttachments);
 808             }
 809         } else if (!additionalAttachments.isEmpty()) {
 810             messageBuilder.withAttachments(additionalAttachments);
 811         }
 812         if (!message.mentions().isEmpty()) {
 813             messageBuilder.withMentions(resolveMentions(message.mentions()));
 814         }
 815         if (!message.textStyles().isEmpty()) {
 816             messageBuilder.withBodyRanges(message.textStyles().stream().map(TextStyle::toBodyRange).toList());
 817         }
 818         if (message.quote().isPresent()) {
 819             final var quote = message.quote().get();
 820             final var quotedAttachments = new ArrayList<SignalServiceDataMessage.Quote.QuotedAttachment>();
 821             for (final var a : quote.attachments()) {
 822                 final var quotedAttachment = new SignalServiceDataMessage.Quote.QuotedAttachment(a.contentType(),
 823                         a.filename(),
 824                         a.preview() == null ? null : context.getAttachmentHelper().uploadAttachment(a.preview()));
 825                 quotedAttachments.add(quotedAttachment);
 826             }
 827             messageBuilder.withQuote(new SignalServiceDataMessage.Quote(quote.timestamp(),
 828                     context.getRecipientHelper()
 829                             .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(quote.author()))
 830                             .getServiceId(),
 831                     quote.message(),
 832                     quotedAttachments,
 833                     resolveMentions(quote.mentions()),
 834                     SignalServiceDataMessage.Quote.Type.NORMAL,
 835                     quote.textStyles().stream().map(TextStyle::toBodyRange).toList()));
 836         }
 837         if (message.sticker().isPresent()) {
 838             final var sticker = message.sticker().get();
 839             final var packId = StickerPackId.deserialize(sticker.packId());
 840             final var stickerId = sticker.stickerId();
 841
 842             final var stickerPack = context.getAccount().getStickerStore().getStickerPack(packId);
 843             if (stickerPack == null) {
 844                 throw new InvalidStickerException("Sticker pack not found");
 845             }
 846             final var manifest = context.getStickerHelper().getOrRetrieveStickerPack(packId, stickerPack.packKey());
 847             if (manifest.stickers().size() <= stickerId) {
 848                 throw new InvalidStickerException("Sticker id not part of this pack");
 849             }
 850             final var manifestSticker = manifest.stickers().get(stickerId);
 851             final var streamDetails = context.getStickerPackStore().retrieveSticker(packId, stickerId);
 852             if (streamDetails == null) {
 853                 throw new InvalidStickerException("Missing local sticker file");
 854             }
 855             final var uploadSpec = dependencies.getMessageSender().getResumableUploadSpec();
 856             final var stickerAttachment = AttachmentUtils.createAttachmentStream(streamDetails,
 857                     Optional.empty(),
 858                     uploadSpec);
 859             messageBuilder.withSticker(new SignalServiceDataMessage.Sticker(packId.serialize(),
 860                     stickerPack.packKey(),
 861                     stickerId,
 862                     manifestSticker.emoji(),
 863                     stickerAttachment));
 864         }
 865         if (!message.previews().isEmpty()) {
 866             final var previews = new ArrayList<SignalServicePreview>(message.previews().size());
 867             for (final var p : message.previews()) {
 868                 final var image = p.image().isPresent() ? context.getAttachmentHelper()
 869                         .uploadAttachment(p.image().get()) : null;
 870                 previews.add(new SignalServicePreview(p.url(),
 871                         p.title(),
 872                         p.description(),
 873                         0,
 874                         Optional.ofNullable(image)));
 875             }
 876             messageBuilder.withPreviews(previews);
 877         }
 878         if (message.storyReply().isPresent()) {
 879             final var storyReply = message.storyReply().get();
 880             final var authorServiceId = context.getRecipientHelper()
 881                     .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(storyReply.author()))
 882                     .getServiceId();
 883             messageBuilder.withStoryContext(new SignalServiceDataMessage.StoryContext(authorServiceId,
 884                     storyReply.timestamp()));
 885         }
 886     }
 887
 888     private ArrayList<SignalServiceDataMessage.Mention> resolveMentions(final List<Message.Mention> mentionList) throws UnregisteredRecipientException {
 889         final var mentions = new ArrayList<SignalServiceDataMessage.Mention>();
 890         for (final var m : mentionList) {
 891             final var recipientId = context.getRecipientHelper().resolveRecipient(m.recipient());
 892             mentions.add(new SignalServiceDataMessage.Mention(context.getRecipientHelper()
 893                     .resolveSignalServiceAddress(recipientId)
 894                     .getServiceId(), m.start(), m.length()));
 895         }
 896         return mentions;
 897     }
 898
 899     @Override
 900     public SendMessageResults sendRemoteDeleteMessage(
 901             long targetSentTimestamp,
 902             Set<RecipientIdentifier> recipients
 903     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 904         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
 905         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
 906         for (final var recipient : recipients) {
 907             if (recipient instanceof RecipientIdentifier.Uuid u) {
 908                 account.getMessageSendLogStore()
 909                         .deleteEntryForRecipientNonGroup(targetSentTimestamp, ACI.from(u.uuid()));
 910             } else if (recipient instanceof RecipientIdentifier.Pni pni) {
 911                 account.getMessageSendLogStore()
 912                         .deleteEntryForRecipientNonGroup(targetSentTimestamp, PNI.from(pni.pni()));
 913             } else if (recipient instanceof RecipientIdentifier.Single r) {
 914                 try {
 915                     final var recipientId = context.getRecipientHelper().resolveRecipient(r);
 916                     final var address = account.getRecipientAddressResolver().resolveRecipientAddress(recipientId);
 917                     if (address.serviceId().isPresent()) {
 918                         account.getMessageSendLogStore()
 919                                 .deleteEntryForRecipientNonGroup(targetSentTimestamp, address.serviceId().get());
 920                     }
 921                 } catch (UnregisteredRecipientException ignored) {
 922                 }
 923             } else if (recipient instanceof RecipientIdentifier.Group r) {
 924                 account.getMessageSendLogStore().deleteEntryForGroup(targetSentTimestamp, r.groupId());
 925             }
 926         }
 927         return sendMessage(messageBuilder, recipients, false);
 928     }
 929
 930     @Override
 931     public SendMessageResults sendMessageReaction(
 932             String emoji,
 933             boolean remove,
 934             RecipientIdentifier.Single targetAuthor,
 935             long targetSentTimestamp,
 936             Set<RecipientIdentifier> recipients,
 937             final boolean isStory
 938     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 939         var targetAuthorRecipientId = context.getRecipientHelper().resolveRecipient(targetAuthor);
 940         final var authorServiceId = context.getRecipientHelper()
 941                 .resolveSignalServiceAddress(targetAuthorRecipientId)
 942                 .getServiceId();
 943         var reaction = new SignalServiceDataMessage.Reaction(emoji, remove, authorServiceId, targetSentTimestamp);
 944         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 945         if (isStory) {
 946             messageBuilder.withStoryContext(new SignalServiceDataMessage.StoryContext(authorServiceId,
 947                     targetSentTimestamp));
 948         }
 949         return sendMessage(messageBuilder, recipients, false);
 950     }
 951
 952     @Override
 953     public SendMessageResults sendPaymentNotificationMessage(
 954             byte[] receipt,
 955             String note,
 956             RecipientIdentifier.Single recipient
 957     ) throws IOException {
 958         final var paymentNotification = new SignalServiceDataMessage.PaymentNotification(receipt, note);
 959         final var payment = new SignalServiceDataMessage.Payment(paymentNotification, null);
 960         final var messageBuilder = SignalServiceDataMessage.newBuilder().withPayment(payment);
 961         try {
 962             return sendMessage(messageBuilder, Set.of(recipient), false);
 963         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 964             throw new AssertionError(e);
 965         }
 966     }
 967
 968     @Override
 969     public SendMessageResults sendEndSessionMessage(Set<RecipientIdentifier.Single> recipients) throws IOException {
 970         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
 971
 972         try {
 973             return sendMessage(messageBuilder,
 974                     recipients.stream().map(RecipientIdentifier.class::cast).collect(Collectors.toSet()),
 975                     false);
 976         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 977             throw new AssertionError(e);
 978         } finally {
 979             for (var recipient : recipients) {
 980                 final RecipientId recipientId;
 981                 try {
 982                     recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 983                 } catch (UnregisteredRecipientException e) {
 984                     continue;
 985                 }
 986                 final var serviceId = context.getAccount()
 987                         .getRecipientAddressResolver()
 988                         .resolveRecipientAddress(recipientId)
 989                         .serviceId();
 990                 if (serviceId.isPresent()) {
 991                     account.getAccountData(ServiceIdType.ACI).getSessionStore().deleteAllSessions(serviceId.get());
 992                 }
 993             }
 994         }
 995     }
 996
 997     @Override
 998     public SendMessageResults sendMessageRequestResponse(
 999             final MessageRequestResponse.Type type,
1000             final Set<RecipientIdentifier> recipients
1001     ) {
1002         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
1003         for (final var recipient : recipients) {
1004             if (recipient instanceof RecipientIdentifier.NoteToSelf || (
1005                     recipient instanceof RecipientIdentifier.Single single
1006                             && new RecipientAddress(single.toPartialRecipientAddress()).matches(account.getSelfRecipientAddress())
1007             )) {
1008                 final var result = context.getSyncHelper()
1009                         .sendMessageRequestResponse(type, account.getSelfRecipientId());
1010                 if (result != null) {
1011                     results.put(recipient, List.of(toSendMessageResult(result)));
1012                 }
1013                 results.put(recipient, List.of(toSendMessageResult(result)));
1014             } else if (recipient instanceof RecipientIdentifier.Single single) {
1015                 try {
1016                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
1017                     final var result = context.getSyncHelper().sendMessageRequestResponse(type, recipientId);
1018                     if (result != null) {
1019                         results.put(recipient, List.of(toSendMessageResult(result)));
1020                     }
1021                 } catch (UnregisteredRecipientException e) {
1022                     results.put(recipient,
1023                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
1024                 }
1025             } else if (recipient instanceof RecipientIdentifier.Group group) {
1026                 final var result = context.getSyncHelper().sendMessageRequestResponse(type, group.groupId());
1027                 results.put(recipient, List.of(toSendMessageResult(result)));
1028             }
1029         }
1030         return new SendMessageResults(0, results);
1031     }
1032
1033     @Override
1034     public void hideRecipient(final RecipientIdentifier.Single recipient) {
1035         final var recipientIdOptional = context.getRecipientHelper().resolveRecipientOptional(recipient);
1036         if (recipientIdOptional.isPresent()) {
1037             context.getContactHelper().setContactHidden(recipientIdOptional.get(), true);
1038             account.removeRecipient(recipientIdOptional.get());
1039             syncRemoteStorage();
1040         }
1041     }
1042
1043     @Override
1044     public void deleteRecipient(final RecipientIdentifier.Single recipient) {
1045         final var recipientIdOptional = context.getRecipientHelper().resolveRecipientOptional(recipient);
1046         if (recipientIdOptional.isPresent()) {
1047             account.removeRecipient(recipientIdOptional.get());
1048             syncRemoteStorage();
1049         }
1050     }
1051
1052     @Override
1053     public void deleteContact(final RecipientIdentifier.Single recipient) {
1054         final var recipientIdOptional = context.getRecipientHelper().resolveRecipientOptional(recipient);
1055         if (recipientIdOptional.isPresent()) {
1056             account.getContactStore().deleteContact(recipientIdOptional.get());
1057             syncRemoteStorage();
1058         }
1059     }
1060
1061     @Override
1062     public void setContactName(
1063             final RecipientIdentifier.Single recipient,
1064             final String givenName,
1065             final String familyName,
1066             final String nickGivenName,
1067             final String nickFamilyName,
1068             final String note
1069     ) throws NotPrimaryDeviceException, UnregisteredRecipientException {
1070         if (!account.isPrimaryDevice()) {
1071             throw new NotPrimaryDeviceException();
1072         }
1073         context.getContactHelper()
1074                 .setContactName(context.getRecipientHelper().resolveRecipient(recipient),
1075                         givenName,
1076                         familyName,
1077                         nickGivenName,
1078                         nickFamilyName,
1079                         note);
1080         syncRemoteStorage();
1081     }
1082
1083     @Override
1084     public void setContactsBlocked(
1085             Collection<RecipientIdentifier.Single> recipients,
1086             boolean blocked
1087     ) throws IOException, UnregisteredRecipientException {
1088         if (recipients.isEmpty()) {
1089             return;
1090         }
1091         final var recipientIds = context.getRecipientHelper().resolveRecipients(recipients);
1092         final var selfRecipientId = account.getSelfRecipientId();
1093         boolean shouldRotateProfileKey = false;
1094         for (final var recipientId : recipientIds) {
1095             if (context.getContactHelper().isContactBlocked(recipientId) == blocked) {
1096                 continue;
1097             }
1098             context.getContactHelper().setContactBlocked(recipientId, blocked);
1099             context.getSyncHelper()
1100                     .sendMessageRequestResponse(blocked
1101                             ? MessageRequestResponse.Type.BLOCK
1102                             : MessageRequestResponse.Type.UNBLOCK_AND_ACCEPT, recipientId);
1103             // if we don't have a common group with the blocked contact we need to rotate the profile key
1104             shouldRotateProfileKey = blocked && (
1105                     shouldRotateProfileKey || account.getGroupStore()
1106                             .getGroups()
1107                             .stream()
1108                             .noneMatch(g -> g.isMember(selfRecipientId) && g.isMember(recipientId))
1109             );
1110         }
1111         if (shouldRotateProfileKey) {
1112             context.getProfileHelper().rotateProfileKey();
1113         }
1114         context.getSyncHelper().sendBlockedList();
1115         syncRemoteStorage();
1116     }
1117
1118     @Override
1119     public void setGroupsBlocked(
1120             final Collection<GroupId> groupIds,
1121             final boolean blocked
1122     ) throws GroupNotFoundException, IOException {
1123         if (groupIds.isEmpty()) {
1124             return;
1125         }
1126         boolean shouldRotateProfileKey = false;
1127         for (final var groupId : groupIds) {
1128             if (context.getGroupHelper().isGroupBlocked(groupId) == blocked) {
1129                 continue;
1130             }
1131             context.getGroupHelper().setGroupBlocked(groupId, blocked);
1132             context.getSyncHelper()
1133                     .sendMessageRequestResponse(blocked
1134                             ? MessageRequestResponse.Type.BLOCK
1135                             : MessageRequestResponse.Type.UNBLOCK_AND_ACCEPT, groupId);
1136             shouldRotateProfileKey = blocked;
1137         }
1138         if (shouldRotateProfileKey) {
1139             context.getProfileHelper().rotateProfileKey();
1140         }
1141         context.getSyncHelper().sendBlockedList();
1142         syncRemoteStorage();
1143     }
1144
1145     @Override
1146     public void setExpirationTimer(
1147             RecipientIdentifier.Single recipient,
1148             int messageExpirationTimer
1149     ) throws IOException, UnregisteredRecipientException {
1150         var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1151         context.getContactHelper().setExpirationTimer(recipientId, messageExpirationTimer);
1152         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
1153         try {
1154             sendMessage(messageBuilder, Set.of(recipient), false);
1155         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
1156             throw new AssertionError(e);
1157         }
1158         syncRemoteStorage();
1159     }
1160
1161     @Override
1162     public StickerPackUrl uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
1163         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
1164
1165         var messageSender = dependencies.getMessageSender();
1166
1167         var packKey = KeyUtils.createStickerUploadKey();
1168         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
1169         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
1170
1171         var sticker = new StickerPack(packId, packKey);
1172         account.getStickerStore().addStickerPack(sticker);
1173         context.getSyncHelper().sendStickerOperationsMessage(List.of(sticker), List.of());
1174
1175         return new StickerPackUrl(packId, packKey);
1176     }
1177
1178     @Override
1179     public void installStickerPack(StickerPackUrl url) throws IOException {
1180         final var packId = url.packId();
1181         final var packKey = url.packKey();
1182         try {
1183             context.getStickerHelper().retrieveStickerPack(packId, packKey);
1184         } catch (InvalidMessageException e) {
1185             throw new IOException(e);
1186         }
1187
1188         final var sticker = context.getStickerHelper().addOrUpdateStickerPack(packId, packKey, true);
1189         context.getSyncHelper().sendStickerOperationsMessage(List.of(sticker), List.of());
1190     }
1191
1192     @Override
1193     public List<org.asamk.signal.manager.api.StickerPack> getStickerPacks() {
1194         final var stickerPackStore = context.getStickerPackStore();
1195         return account.getStickerStore().getStickerPacks().stream().map(pack -> {
1196             if (stickerPackStore.existsStickerPack(pack.packId())) {
1197                 try {
1198                     final var manifest = stickerPackStore.retrieveManifest(pack.packId());
1199                     return new org.asamk.signal.manager.api.StickerPack(pack.packId(),
1200                             new StickerPackUrl(pack.packId(), pack.packKey()),
1201                             pack.isInstalled(),
1202                             manifest.title(),
1203                             manifest.author(),
1204                             Optional.ofNullable(manifest.cover() == null ? null : manifest.cover().toApi()),
1205                             manifest.stickers().stream().map(JsonStickerPack.JsonSticker::toApi).toList());
1206                 } catch (Exception e) {
1207                     logger.warn("Failed to read local sticker pack manifest: {}", e.getMessage(), e);
1208                 }
1209             }
1210
1211             return new org.asamk.signal.manager.api.StickerPack(pack.packId(), pack.packKey(), pack.isInstalled());
1212         }).toList();
1213     }
1214
1215     @Override
1216     public void requestAllSyncData() {
1217         context.getSyncHelper().requestAllSyncData();
1218         syncRemoteStorage();
1219     }
1220
1221     void syncRemoteStorage() {
1222         context.getJobExecutor().enqueueJob(new SyncStorageJob());
1223     }
1224
1225     @Override
1226     public void addReceiveHandler(final ReceiveMessageHandler handler, final boolean isWeakListener) {
1227         synchronized (messageHandlers) {
1228             if (isWeakListener) {
1229                 weakHandlers.add(handler);
1230             } else {
1231                 messageHandlers.add(handler);
1232                 startReceiveThreadIfRequired();
1233             }
1234         }
1235     }
1236
1237     private static final AtomicInteger threadNumber = new AtomicInteger(0);
1238
1239     private void startReceiveThreadIfRequired() {
1240         if (receiveThread != null || isReceivingSynchronous) {
1241             return;
1242         }
1243         receiveThread = Thread.ofPlatform().name("receive-" + threadNumber.getAndIncrement()).start(() -> {
1244             logger.debug("Starting receiving messages");
1245             context.getReceiveHelper().receiveMessagesContinuously(this::passReceivedMessageToHandlers);
1246             logger.debug("Finished receiving messages");
1247             synchronized (messageHandlers) {
1248                 receiveThread = null;
1249
1250                 // Check if in the meantime another handler has been registered
1251                 if (!messageHandlers.isEmpty()) {
1252                     logger.debug("Another handler has been registered, starting receive thread again");
1253                     startReceiveThreadIfRequired();
1254                 }
1255             }
1256         });
1257     }
1258
1259     private void passReceivedMessageToHandlers(MessageEnvelope envelope, Throwable e) {
1260         synchronized (messageHandlers) {
1261             Stream.concat(messageHandlers.stream(), weakHandlers.stream()).forEach(h -> {
1262                 try {
1263                     h.handleMessage(envelope, e);
1264                 } catch (Throwable ex) {
1265                     logger.warn("Message handler failed, ignoring", ex);
1266                 }
1267             });
1268         }
1269     }
1270
1271     @Override
1272     public void removeReceiveHandler(final ReceiveMessageHandler handler) {
1273         final Thread thread;
1274         synchronized (messageHandlers) {
1275             weakHandlers.remove(handler);
1276             messageHandlers.remove(handler);
1277             if (!messageHandlers.isEmpty() || receiveThread == null || isReceivingSynchronous) {
1278                 return;
1279             }
1280             thread = receiveThread;
1281             receiveThread = null;
1282         }
1283
1284         stopReceiveThread(thread);
1285     }
1286
1287     private void stopReceiveThread(final Thread thread) {
1288         if (context.getReceiveHelper().requestStopReceiveMessages()) {
1289             logger.debug("Receive stop requested, interrupting read from server.");
1290             thread.interrupt();
1291         }
1292         try {
1293             thread.join();
1294         } catch (InterruptedException ignored) {
1295         }
1296     }
1297
1298     @Override
1299     public boolean isReceiving() {
1300         if (isReceivingSynchronous) {
1301             return true;
1302         }
1303         synchronized (messageHandlers) {
1304             return !messageHandlers.isEmpty();
1305         }
1306     }
1307
1308     @Override
1309     public void receiveMessages(
1310             Optional<Duration> timeout,
1311             Optional<Integer> maxMessages,
1312             ReceiveMessageHandler handler
1313     ) throws IOException, AlreadyReceivingException {
1314         receiveMessages(timeout.orElse(Duration.ofMinutes(1)), timeout.isPresent(), maxMessages.orElse(null), handler);
1315     }
1316
1317     @Override
1318     public void stopReceiveMessages() {
1319         Thread thread = null;
1320         synchronized (messageHandlers) {
1321             if (isReceivingSynchronous) {
1322                 thread = receiveThread;
1323                 receiveThread = null;
1324             }
1325         }
1326         if (thread != null) {
1327             stopReceiveThread(thread);
1328         }
1329     }
1330
1331     private void receiveMessages(
1332             Duration timeout,
1333             boolean returnOnTimeout,
1334             Integer maxMessages,
1335             ReceiveMessageHandler handler
1336     ) throws IOException, AlreadyReceivingException {
1337         synchronized (messageHandlers) {
1338             if (isReceiving()) {
1339                 throw new AlreadyReceivingException("Already receiving message.");
1340             }
1341             isReceivingSynchronous = true;
1342             receiveThread = Thread.currentThread();
1343         }
1344         try {
1345             context.getReceiveHelper().receiveMessages(timeout, returnOnTimeout, maxMessages, (envelope, e) -> {
1346                 passReceivedMessageToHandlers(envelope, e);
1347                 handler.handleMessage(envelope, e);
1348             });
1349         } finally {
1350             synchronized (messageHandlers) {
1351                 receiveThread = null;
1352                 isReceivingSynchronous = false;
1353                 if (!messageHandlers.isEmpty()) {
1354                     startReceiveThreadIfRequired();
1355                 }
1356             }
1357         }
1358     }
1359
1360     @Override
1361     public void setReceiveConfig(final ReceiveConfig receiveConfig) {
1362         context.getReceiveHelper().setReceiveConfig(receiveConfig);
1363     }
1364
1365     @Override
1366     public boolean isContactBlocked(final RecipientIdentifier.Single recipient) {
1367         final RecipientId recipientId;
1368         try {
1369             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1370         } catch (UnregisteredRecipientException e) {
1371             return false;
1372         }
1373         return context.getContactHelper().isContactBlocked(recipientId);
1374     }
1375
1376     @Override
1377     public void sendContacts() throws IOException {
1378         context.getSyncHelper().sendContacts();
1379     }
1380
1381     @Override
1382     public List<Recipient> getRecipients(
1383             boolean onlyContacts,
1384             Optional<Boolean> blocked,
1385             Collection<RecipientIdentifier.Single> recipients,
1386             Optional<String> name
1387     ) {
1388         final var recipientIds = recipients.stream().map(a -> {
1389             try {
1390                 return context.getRecipientHelper().resolveRecipient(a);
1391             } catch (UnregisteredRecipientException e) {
1392                 return null;
1393             }
1394         }).filter(Objects::nonNull).collect(Collectors.toSet());
1395         if (!recipients.isEmpty() && recipientIds.isEmpty()) {
1396             return List.of();
1397         }
1398         // refresh profiles of explicitly given recipients
1399         context.getProfileHelper().refreshRecipientProfiles(recipientIds);
1400         return account.getRecipientStore()
1401                 .getRecipients(onlyContacts, blocked, recipientIds, name)
1402                 .stream()
1403                 .map(s -> new Recipient(s.getRecipientId(),
1404                         s.getAddress().toApiRecipientAddress(),
1405                         s.getContact(),
1406                         s.getProfileKey(),
1407                         s.getExpiringProfileKeyCredential(),
1408                         s.getProfile(),
1409                         s.getDiscoverable()))
1410                 .toList();
1411     }
1412
1413     @Override
1414     public String getContactOrProfileName(RecipientIdentifier.Single recipient) {
1415         final RecipientId recipientId;
1416         try {
1417             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1418         } catch (UnregisteredRecipientException e) {
1419             return null;
1420         }
1421
1422         final var contact = account.getContactStore().getContact(recipientId);
1423         if (contact != null && !Util.isEmpty(contact.getName())) {
1424             return contact.getName();
1425         }
1426
1427         final var profile = context.getProfileHelper().getRecipientProfile(recipientId);
1428         if (profile != null) {
1429             return profile.getDisplayName();
1430         }
1431
1432         return null;
1433     }
1434
1435     @Override
1436     public Group getGroup(GroupId groupId) {
1437         return toGroup(context.getGroupHelper().getGroup(groupId));
1438     }
1439
1440     @Override
1441     public List<Identity> getIdentities() {
1442         return account.getIdentityKeyStore()
1443                 .getIdentities()
1444                 .stream()
1445                 .map(this::toIdentity)
1446                 .filter(Objects::nonNull)
1447                 .toList();
1448     }
1449
1450     private Identity toIdentity(final IdentityInfo identityInfo) {
1451         if (identityInfo == null) {
1452             return null;
1453         }
1454
1455         final var address = account.getRecipientAddressResolver()
1456                 .resolveRecipientAddress(account.getRecipientResolver().resolveRecipient(identityInfo.getServiceId()));
1457         if (address.serviceId().isPresent() && !Objects.equals(address.serviceId().get(),
1458                 identityInfo.getServiceId())) {
1459             return null;
1460         }
1461         final var scannableFingerprint = context.getIdentityHelper()
1462                 .computeSafetyNumberForScanning(identityInfo.getServiceId(), identityInfo.getIdentityKey());
1463         return new Identity(address.toApiRecipientAddress(),
1464                 identityInfo.getIdentityKey().getPublicKey().serialize(),
1465                 context.getIdentityHelper()
1466                         .computeSafetyNumber(identityInfo.getServiceId(), identityInfo.getIdentityKey()),
1467                 scannableFingerprint == null ? null : scannableFingerprint.getSerialized(),
1468                 identityInfo.getTrustLevel(),
1469                 identityInfo.getDateAddedTimestamp());
1470     }
1471
1472     @Override
1473     public List<Identity> getIdentities(RecipientIdentifier.Single recipient) {
1474         ServiceId serviceId;
1475         try {
1476             final var address = account.getRecipientAddressResolver()
1477                     .resolveRecipientAddress(context.getRecipientHelper().resolveRecipient(recipient));
1478             if (address.serviceId().isEmpty()) {
1479                 return List.of();
1480             }
1481             serviceId = address.serviceId().get();
1482         } catch (UnregisteredRecipientException e) {
1483             return List.of();
1484         }
1485         final var identity = account.getIdentityKeyStore().getIdentityInfo(serviceId);
1486         return identity == null ? List.of() : List.of(toIdentity(identity));
1487     }
1488
1489     @Override
1490     public boolean trustIdentityVerified(
1491             RecipientIdentifier.Single recipient,
1492             IdentityVerificationCode verificationCode
1493     ) throws UnregisteredRecipientException {
1494         return switch (verificationCode) {
1495             case IdentityVerificationCode.Fingerprint fingerprint -> trustIdentity(recipient,
1496                     r -> context.getIdentityHelper().trustIdentityVerified(r, fingerprint.fingerprint()));
1497             case IdentityVerificationCode.SafetyNumber safetyNumber -> trustIdentity(recipient,
1498                     r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber.safetyNumber()));
1499             case IdentityVerificationCode.ScannableSafetyNumber safetyNumber -> trustIdentity(recipient,
1500                     r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber.safetyNumber()));
1501             case null -> throw new AssertionError("Invalid verification code type");
1502         };
1503     }
1504
1505     @Override
1506     public boolean trustIdentityAllKeys(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
1507         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityAllKeys(r));
1508     }
1509
1510     private boolean trustIdentity(
1511             RecipientIdentifier.Single recipient,
1512             Function<RecipientId, Boolean> trustMethod
1513     ) throws UnregisteredRecipientException {
1514         final var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1515         final var updated = trustMethod.apply(recipientId);
1516         if (updated && this.isReceiving()) {
1517             account.setNeedsToRetryFailedMessages(true);
1518         }
1519         return updated;
1520     }
1521
1522     @Override
1523     public void addAddressChangedListener(final Runnable listener) {
1524         synchronized (addressChangedListeners) {
1525             addressChangedListeners.add(listener);
1526         }
1527     }
1528
1529     @Override
1530     public void addClosedListener(final Runnable listener) {
1531         synchronized (closedListeners) {
1532             closedListeners.add(listener);
1533         }
1534     }
1535
1536     @Override
1537     public InputStream retrieveAttachment(final String id) throws IOException {
1538         return context.getAttachmentHelper().retrieveAttachment(id).getStream();
1539     }
1540
1541     @Override
1542     public InputStream retrieveContactAvatar(final RecipientIdentifier.Single recipient) throws IOException, UnregisteredRecipientException {
1543         final var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1544         final var address = account.getRecipientStore().resolveRecipientAddress(recipientId);
1545         final var streamDetails = context.getAvatarStore().retrieveContactAvatar(address);
1546         if (streamDetails == null) {
1547             throw new FileNotFoundException();
1548         }
1549         return streamDetails.getStream();
1550     }
1551
1552     @Override
1553     public InputStream retrieveProfileAvatar(final RecipientIdentifier.Single recipient) throws IOException, UnregisteredRecipientException {
1554         final var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1555         context.getProfileHelper().getRecipientProfile(recipientId);
1556         final var address = account.getRecipientStore().resolveRecipientAddress(recipientId);
1557         final var streamDetails = context.getAvatarStore().retrieveProfileAvatar(address);
1558         if (streamDetails == null) {
1559             throw new FileNotFoundException();
1560         }
1561         return streamDetails.getStream();
1562     }
1563
1564     @Override
1565     public InputStream retrieveGroupAvatar(final GroupId groupId) throws IOException {
1566         final var streamDetails = context.getAvatarStore().retrieveGroupAvatar(groupId);
1567         context.getGroupHelper().getGroup(groupId);
1568         if (streamDetails == null) {
1569             throw new FileNotFoundException();
1570         }
1571         return streamDetails.getStream();
1572     }
1573
1574     @Override
1575     public InputStream retrieveSticker(final StickerPackId stickerPackId, final int stickerId) throws IOException {
1576         var streamDetails = context.getStickerPackStore().retrieveSticker(stickerPackId, stickerId);
1577         if (streamDetails == null) {
1578             final var pack = account.getStickerStore().getStickerPack(stickerPackId);
1579             if (pack != null) {
1580                 try {
1581                     context.getStickerHelper().retrieveStickerPack(stickerPackId, pack.packKey());
1582                 } catch (InvalidMessageException e) {
1583                     logger.warn("Failed to download sticker pack");
1584                 }
1585             }
1586         }
1587         if (streamDetails == null) {
1588             throw new FileNotFoundException();
1589         }
1590         return streamDetails.getStream();
1591     }
1592
1593     @Override
1594     public void close() {
1595         Thread thread;
1596         synchronized (messageHandlers) {
1597             weakHandlers.clear();
1598             messageHandlers.clear();
1599             thread = receiveThread;
1600             receiveThread = null;
1601         }
1602         if (thread != null) {
1603             stopReceiveThread(thread);
1604         }
1605         context.close();
1606         executor.close();
1607
1608         dependencies.getAuthenticatedSignalWebSocket().disconnect();
1609         dependencies.getUnauthenticatedSignalWebSocket().disconnect();
1610         dependencies.getPushServiceSocket().close();
1611         disposable.dispose();
1612
1613         if (account != null) {
1614             account.close();
1615         }
1616
1617         synchronized (closedListeners) {
1618             closedListeners.forEach(Runnable::run);
1619             closedListeners.clear();
1620         }
1621
1622         account = null;
1623     }
1624 }