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.PinLockMissingException;
  52 import org.asamk.signal.manager.api.PinLockedException;
  53 import org.asamk.signal.manager.api.Profile;
  54 import org.asamk.signal.manager.api.RateLimitException;
  55 import org.asamk.signal.manager.api.ReceiveConfig;
  56 import org.asamk.signal.manager.api.Recipient;
  57 import org.asamk.signal.manager.api.RecipientIdentifier;
  58 import org.asamk.signal.manager.api.SendGroupMessageResults;
  59 import org.asamk.signal.manager.api.SendMessageResult;
  60 import org.asamk.signal.manager.api.SendMessageResults;
  61 import org.asamk.signal.manager.api.StickerPackId;
  62 import org.asamk.signal.manager.api.StickerPackInvalidException;
  63 import org.asamk.signal.manager.api.StickerPackUrl;
  64 import org.asamk.signal.manager.api.TextStyle;
  65 import org.asamk.signal.manager.api.TypingAction;
  66 import org.asamk.signal.manager.api.UnregisteredRecipientException;
  67 import org.asamk.signal.manager.api.UpdateGroup;
  68 import org.asamk.signal.manager.api.UpdateProfile;
  69 import org.asamk.signal.manager.api.UserStatus;
  70 import org.asamk.signal.manager.api.UsernameLinkUrl;
  71 import org.asamk.signal.manager.api.UsernameStatus;
  72 import org.asamk.signal.manager.api.VerificationMethodNotAvailableException;
  73 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  74 import org.asamk.signal.manager.helper.AccountFileUpdater;
  75 import org.asamk.signal.manager.helper.Context;
  76 import org.asamk.signal.manager.helper.RecipientHelper.RegisteredUser;
  77 import org.asamk.signal.manager.jobs.RefreshRecipientsJob;
  78 import org.asamk.signal.manager.jobs.SyncStorageJob;
  79 import org.asamk.signal.manager.storage.AttachmentStore;
  80 import org.asamk.signal.manager.storage.AvatarStore;
  81 import org.asamk.signal.manager.storage.SignalAccount;
  82 import org.asamk.signal.manager.storage.groups.GroupInfo;
  83 import org.asamk.signal.manager.storage.identities.IdentityInfo;
  84 import org.asamk.signal.manager.storage.recipients.RecipientAddress;
  85 import org.asamk.signal.manager.storage.recipients.RecipientId;
  86 import org.asamk.signal.manager.storage.stickerPacks.JsonStickerPack;
  87 import org.asamk.signal.manager.storage.stickerPacks.StickerPackStore;
  88 import org.asamk.signal.manager.storage.stickers.StickerPack;
  89 import org.asamk.signal.manager.util.AttachmentUtils;
  90 import org.asamk.signal.manager.util.KeyUtils;
  91 import org.asamk.signal.manager.util.MimeUtils;
  92 import org.asamk.signal.manager.util.PhoneNumberFormatter;
  93 import org.asamk.signal.manager.util.StickerUtils;
  94 import org.signal.libsignal.protocol.InvalidMessageException;
  95 import org.signal.libsignal.usernames.BaseUsernameException;
  96 import org.slf4j.Logger;
  97 import org.slf4j.LoggerFactory;
  98 import org.whispersystems.signalservice.api.messages.SignalServiceAttachment;
  99 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
 100 import org.whispersystems.signalservice.api.messages.SignalServicePreview;
 101 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
 102 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
 103 import org.whispersystems.signalservice.api.push.ServiceId;
 104 import org.whispersystems.signalservice.api.push.ServiceId.ACI;
 105 import org.whispersystems.signalservice.api.push.ServiceId.PNI;
 106 import org.whispersystems.signalservice.api.push.ServiceIdType;
 107 import org.whispersystems.signalservice.api.push.exceptions.CdsiResourceExhaustedException;
 108 import org.whispersystems.signalservice.api.push.exceptions.UsernameMalformedException;
 109 import org.whispersystems.signalservice.api.push.exceptions.UsernameTakenException;
 110 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
 111 import org.whispersystems.signalservice.api.util.StreamDetails;
 112 import org.whispersystems.signalservice.internal.util.Hex;
 113 import org.whispersystems.signalservice.internal.util.Util;
 114
 115 import java.io.ByteArrayInputStream;
 116 import java.io.File;
 117 import java.io.FileNotFoundException;
 118 import java.io.IOException;
 119 import java.io.InputStream;
 120 import java.nio.charset.StandardCharsets;
 121 import java.time.Duration;
 122 import java.util.ArrayList;
 123 import java.util.Collection;
 124 import java.util.HashMap;
 125 import java.util.HashSet;
 126 import java.util.List;
 127 import java.util.Map;
 128 import java.util.Objects;
 129 import java.util.Optional;
 130 import java.util.Set;
 131 import java.util.concurrent.ExecutorService;
 132 import java.util.concurrent.Executors;
 133 import java.util.concurrent.TimeUnit;
 134 import java.util.concurrent.atomic.AtomicInteger;
 135 import java.util.concurrent.atomic.AtomicLong;
 136 import java.util.function.Function;
 137 import java.util.stream.Collectors;
 138 import java.util.stream.Stream;
 139
 140 import io.reactivex.rxjava3.disposables.CompositeDisposable;
 141 import io.reactivex.rxjava3.schedulers.Schedulers;
 142 import okio.Utf8;
 143
 144 import static org.asamk.signal.manager.config.ServiceConfig.MAX_MESSAGE_SIZE_BYTES;
 145 import static org.asamk.signal.manager.util.Utils.handleResponseException;
 146 import static org.signal.core.util.StringExtensionsKt.splitByByteLength;
 147
 148 public class ManagerImpl implements Manager {
 149
 150     private static final Logger logger = LoggerFactory.getLogger(ManagerImpl.class);
 151
 152     private SignalAccount account;
 153     private final SignalDependencies dependencies;
 154     private final Context context;
 155
 156     private final ExecutorService executor = Executors.newCachedThreadPool();
 157
 158     private Thread receiveThread;
 159     private boolean isReceivingSynchronous;
 160     private final Set<ReceiveMessageHandler> weakHandlers = new HashSet<>();
 161     private final Set<ReceiveMessageHandler> messageHandlers = new HashSet<>();
 162     private final List<Runnable> closedListeners = new ArrayList<>();
 163     private final List<Runnable> addressChangedListeners = new ArrayList<>();
 164     private final CompositeDisposable disposable = new CompositeDisposable();
 165     private final AtomicLong lastMessageTimestamp = new AtomicLong();
 166
 167     public ManagerImpl(
 168             SignalAccount account,
 169             PathConfig pathConfig,
 170             AccountFileUpdater accountFileUpdater,
 171             ServiceEnvironmentConfig serviceEnvironmentConfig,
 172             String userAgent
 173     ) {
 174         this.account = account;
 175
 176         final var sessionLock = new ReentrantSignalSessionLock();
 177         this.dependencies = new SignalDependencies(serviceEnvironmentConfig,
 178                 userAgent,
 179                 account.getCredentialsProvider(),
 180                 account.getSignalServiceDataStore(),
 181                 executor,
 182                 sessionLock);
 183         final var avatarStore = new AvatarStore(pathConfig.avatarsPath());
 184         final var attachmentStore = new AttachmentStore(pathConfig.attachmentsPath());
 185         final var stickerPackStore = new StickerPackStore(pathConfig.stickerPacksPath());
 186
 187         this.context = new Context(account, new AccountFileUpdater() {
 188             @Override
 189             public void updateAccountIdentifiers(final String number, final ACI aci) {
 190                 accountFileUpdater.updateAccountIdentifiers(number, aci);
 191                 synchronized (addressChangedListeners) {
 192                     addressChangedListeners.forEach(Runnable::run);
 193                 }
 194             }
 195
 196             @Override
 197             public void removeAccount() {
 198                 accountFileUpdater.removeAccount();
 199             }
 200         }, dependencies, avatarStore, attachmentStore, stickerPackStore);
 201         this.context.getAccountHelper().setUnregisteredListener(this::close);
 202         this.context.getReceiveHelper().setAuthenticationFailureListener(this::close);
 203         this.context.getReceiveHelper().setCaughtUpWithOldMessagesListener(() -> {
 204             synchronized (this) {
 205                 this.notifyAll();
 206             }
 207         });
 208         disposable.add(account.getIdentityKeyStore()
 209                 .getIdentityChanges()
 210                 .observeOn(Schedulers.from(executor))
 211                 .subscribe(serviceId -> {
 212                     logger.trace("Archiving old sessions for {}", serviceId);
 213                     account.getAccountData(ServiceIdType.ACI).getSessionStore().archiveSessions(serviceId);
 214                     account.getAccountData(ServiceIdType.PNI).getSessionStore().archiveSessions(serviceId);
 215                     account.getSenderKeyStore().deleteSharedWith(serviceId);
 216                     final var recipientId = account.getRecipientResolver().resolveRecipient(serviceId);
 217                     final var profile = account.getProfileStore().getProfile(recipientId);
 218                     if (profile != null) {
 219                         account.getProfileStore()
 220                                 .storeProfile(recipientId,
 221                                         Profile.newBuilder(profile)
 222                                                 .withUnidentifiedAccessMode(Profile.UnidentifiedAccessMode.UNKNOWN)
 223                                                 .withLastUpdateTimestamp(0)
 224                                                 .build());
 225                     }
 226                 }));
 227     }
 228
 229     @Override
 230     public String getSelfNumber() {
 231         return account.getNumber();
 232     }
 233
 234     public void checkAccountState() throws IOException {
 235         context.getAccountHelper().checkAccountState();
 236         final var lastRecipientsRefresh = account.getLastRecipientsRefresh();
 237         if (lastRecipientsRefresh == null
 238                 || lastRecipientsRefresh < System.currentTimeMillis() - TimeUnit.DAYS.toMillis(1)) {
 239             context.getJobExecutor().enqueueJob(new RefreshRecipientsJob());
 240             context.getAccountHelper().checkWhoAmiI();
 241         }
 242     }
 243
 244     @Override
 245     public Map<String, UserStatus> getUserStatus(Set<String> numbers) throws IOException, RateLimitException {
 246         final var canonicalizedNumbers = numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 247             try {
 248                 final var canonicalizedNumber = PhoneNumberFormatter.formatNumber(n, account.getNumber());
 249                 if (!canonicalizedNumber.equals(n)) {
 250                     logger.debug("Normalized number {} to {}.", n, canonicalizedNumber);
 251                 }
 252                 return canonicalizedNumber;
 253             } catch (InvalidNumberException e) {
 254                 return "";
 255             }
 256         }));
 257
 258         // Note "registeredUsers" has no optionals. It only gives us info on users who are registered
 259         final var canonicalizedNumbersSet = canonicalizedNumbers.values()
 260                 .stream()
 261                 .filter(s -> !s.isEmpty())
 262                 .collect(Collectors.toSet());
 263
 264         final Map<String, RegisteredUser> registeredUsers;
 265         try {
 266             registeredUsers = context.getRecipientHelper().getRegisteredUsers(canonicalizedNumbersSet);
 267         } catch (CdsiResourceExhaustedException e) {
 268             logger.debug("CDSI resource exhausted: {}", e.getMessage());
 269             throw new RateLimitException(System.currentTimeMillis() + e.getRetryAfterSeconds() * 1000L);
 270         }
 271
 272         return numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 273             final var number = canonicalizedNumbers.get(n);
 274             final var user = registeredUsers.get(number);
 275             final var serviceId = user == null ? null : user.getServiceId();
 276             final var profile = serviceId == null
 277                     ? null
 278                     : context.getProfileHelper()
 279                             .getRecipientProfile(account.getRecipientResolver().resolveRecipient(serviceId));
 280             return new UserStatus(number.isEmpty() ? null : number,
 281                     serviceId == null ? null : serviceId.getRawUuid(),
 282                     profile != null
 283                             && profile.getUnidentifiedAccessMode() == Profile.UnidentifiedAccessMode.UNRESTRICTED);
 284         }));
 285     }
 286
 287     @Override
 288     public Map<String, UsernameStatus> getUsernameStatus(Set<String> usernames) throws IOException {
 289         final var registeredUsers = new HashMap<String, RecipientAddress>();
 290         for (final var username : usernames) {
 291             try {
 292                 final var recipientId = context.getRecipientHelper().resolveRecipientByUsernameOrLink(username, true);
 293                 final var address = account.getRecipientAddressResolver().resolveRecipientAddress(recipientId);
 294                 registeredUsers.put(username, address);
 295             } catch (UnregisteredRecipientException e) {
 296                 // ignore
 297             }
 298         }
 299
 300         return usernames.stream().collect(Collectors.toMap(n -> n, username -> {
 301             final var user = registeredUsers.get(username);
 302             final var serviceId = user == null ? null : user.serviceId().orElse(null);
 303             final var profile = serviceId == null
 304                     ? null
 305                     : context.getProfileHelper()
 306                             .getRecipientProfile(account.getRecipientResolver().resolveRecipient(serviceId));
 307             return new UsernameStatus(username,
 308                     serviceId == null ? null : serviceId.getRawUuid(),
 309                     profile != null
 310                             && profile.getUnidentifiedAccessMode() == Profile.UnidentifiedAccessMode.UNRESTRICTED);
 311         }));
 312     }
 313
 314     @Override
 315     public void updateAccountAttributes(
 316             String deviceName,
 317             Boolean unrestrictedUnidentifiedSender,
 318             final Boolean discoverableByNumber,
 319             final Boolean numberSharing
 320     ) throws IOException {
 321         if (deviceName != null) {
 322             context.getAccountHelper().setDeviceName(deviceName);
 323         }
 324         if (unrestrictedUnidentifiedSender != null) {
 325             account.setUnrestrictedUnidentifiedAccess(unrestrictedUnidentifiedSender);
 326         }
 327         if (discoverableByNumber != null) {
 328             account.getConfigurationStore().setPhoneNumberUnlisted(!discoverableByNumber);
 329         }
 330         if (numberSharing != null) {
 331             account.getConfigurationStore()
 332                     .setPhoneNumberSharingMode(numberSharing
 333                             ? PhoneNumberSharingMode.EVERYBODY
 334                             : PhoneNumberSharingMode.NOBODY);
 335         }
 336         context.getAccountHelper().updateAccountAttributes();
 337         context.getAccountHelper().checkWhoAmiI();
 338     }
 339
 340     @Override
 341     public Configuration getConfiguration() {
 342         final var configurationStore = account.getConfigurationStore();
 343         return Configuration.from(configurationStore);
 344     }
 345
 346     @Override
 347     public void updateConfiguration(Configuration configuration) {
 348         final var configurationStore = account.getConfigurationStore();
 349         if (configuration.readReceipts().isPresent()) {
 350             configurationStore.setReadReceipts(configuration.readReceipts().get());
 351         }
 352         if (configuration.unidentifiedDeliveryIndicators().isPresent()) {
 353             configurationStore.setUnidentifiedDeliveryIndicators(configuration.unidentifiedDeliveryIndicators().get());
 354         }
 355         if (configuration.typingIndicators().isPresent()) {
 356             configurationStore.setTypingIndicators(configuration.typingIndicators().get());
 357         }
 358         if (configuration.linkPreviews().isPresent()) {
 359             configurationStore.setLinkPreviews(configuration.linkPreviews().get());
 360         }
 361         context.getSyncHelper().sendConfigurationMessage();
 362         syncRemoteStorage();
 363     }
 364
 365     @Override
 366     public void updateProfile(UpdateProfile updateProfile) throws IOException {
 367         context.getProfileHelper()
 368                 .setProfile(updateProfile.getGivenName(),
 369                         updateProfile.getFamilyName(),
 370                         updateProfile.getAbout(),
 371                         updateProfile.getAboutEmoji(),
 372                         updateProfile.isDeleteAvatar()
 373                                 ? Optional.empty()
 374                                 : updateProfile.getAvatar() == null ? null : Optional.of(updateProfile.getAvatar()),
 375                         updateProfile.getMobileCoinAddress());
 376         context.getSyncHelper().sendSyncFetchProfileMessage();
 377     }
 378
 379     void refreshCurrentUsername() throws IOException, BaseUsernameException {
 380         context.getAccountHelper().refreshCurrentUsername();
 381     }
 382
 383     @Override
 384     public String getUsername() {
 385         return account.getUsername();
 386     }
 387
 388     @Override
 389     public UsernameLinkUrl getUsernameLink() {
 390         return new UsernameLinkUrl(account.getUsernameLink());
 391     }
 392
 393     @Override
 394     public void setUsername(final String username) throws IOException, InvalidUsernameException {
 395         try {
 396             if (username.contains(".")) {
 397                 context.getAccountHelper().reserveExactUsername(username);
 398             } else {
 399                 context.getAccountHelper().reserveUsernameFromNickname(username);
 400             }
 401         } catch (UsernameMalformedException e) {
 402             throw new InvalidUsernameException("Username is malformed", e);
 403         } catch (UsernameTakenException e) {
 404             throw new InvalidUsernameException("Username is already registered", e);
 405         } catch (BaseUsernameException e) {
 406             throw new InvalidUsernameException(e.getMessage() + " (" + e.getClass().getSimpleName() + ")", e);
 407         }
 408     }
 409
 410     @Override
 411     public void deleteUsername() throws IOException {
 412         context.getAccountHelper().deleteUsername();
 413     }
 414
 415     @Override
 416     public void startChangeNumber(
 417             String newNumber,
 418             boolean voiceVerification,
 419             String captcha
 420     ) throws RateLimitException, IOException, CaptchaRequiredException, NonNormalizedPhoneNumberException, NotPrimaryDeviceException, VerificationMethodNotAvailableException {
 421         if (!account.isPrimaryDevice()) {
 422             throw new NotPrimaryDeviceException();
 423         }
 424         context.getAccountHelper().startChangeNumber(newNumber, voiceVerification, captcha);
 425     }
 426
 427     @Override
 428     public void finishChangeNumber(
 429             String newNumber,
 430             String verificationCode,
 431             String pin
 432     ) throws IncorrectPinException, PinLockedException, IOException, NotPrimaryDeviceException, PinLockMissingException {
 433         if (!account.isPrimaryDevice()) {
 434             throw new NotPrimaryDeviceException();
 435         }
 436         context.getAccountHelper().finishChangeNumber(newNumber, verificationCode, pin);
 437     }
 438
 439     @Override
 440     public void unregister() throws IOException {
 441         context.getAccountHelper().unregister();
 442     }
 443
 444     @Override
 445     public void deleteAccount() throws IOException {
 446         context.getAccountHelper().deleteAccount();
 447     }
 448
 449     @Override
 450     public void submitRateLimitRecaptchaChallenge(
 451             String challenge,
 452             String captcha
 453     ) throws IOException, CaptchaRejectedException {
 454         captcha = captcha == null ? "" : captcha.replace("signalcaptcha://", "");
 455
 456         try {
 457             handleResponseException(dependencies.getRateLimitChallengeApi().submitCaptchaChallenge(challenge, captcha));
 458         } catch (org.whispersystems.signalservice.internal.push.exceptions.CaptchaRejectedException ignored) {
 459             throw new CaptchaRejectedException();
 460         }
 461     }
 462
 463     @Override
 464     public List<Device> getLinkedDevices() throws IOException {
 465         var devices = handleResponseException(dependencies.getLinkDeviceApi().getDevices());
 466         account.setMultiDevice(devices.size() > 1);
 467         var identityKey = account.getAciIdentityKeyPair().getPrivateKey();
 468         return devices.stream().map(d -> {
 469             String deviceName = d.getName();
 470             if (deviceName != null) {
 471                 try {
 472                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 473                 } catch (IOException e) {
 474                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 475                 }
 476             }
 477             return new Device(d.getId(),
 478                     deviceName,
 479                     d.getCreated(),
 480                     d.getLastSeen(),
 481                     d.getId() == account.getDeviceId());
 482         }).toList();
 483     }
 484
 485     @Override
 486     public void removeLinkedDevices(int deviceId) throws IOException, NotPrimaryDeviceException {
 487         if (!account.isPrimaryDevice()) {
 488             throw new NotPrimaryDeviceException();
 489         }
 490         context.getAccountHelper().removeLinkedDevices(deviceId);
 491     }
 492
 493     @Override
 494     public void addDeviceLink(DeviceLinkUrl linkUrl) throws IOException, InvalidDeviceLinkException, NotPrimaryDeviceException, DeviceLimitExceededException {
 495         if (!account.isPrimaryDevice()) {
 496             throw new NotPrimaryDeviceException();
 497         }
 498         context.getAccountHelper().addDevice(linkUrl);
 499     }
 500
 501     @Override
 502     public void setRegistrationLockPin(Optional<String> pin) throws IOException, NotPrimaryDeviceException {
 503         if (!account.isPrimaryDevice()) {
 504             throw new NotPrimaryDeviceException();
 505         }
 506         if (pin.isPresent()) {
 507             context.getAccountHelper().setRegistrationPin(pin.get());
 508         } else {
 509             context.getAccountHelper().removeRegistrationPin();
 510         }
 511     }
 512
 513     void refreshPreKeys() throws IOException {
 514         context.getPreKeyHelper().refreshPreKeysIfNecessary();
 515     }
 516
 517     @Override
 518     public List<Group> getGroups() {
 519         return context.getGroupHelper().getGroups().stream().map(this::toGroup).toList();
 520     }
 521
 522     private Group toGroup(final GroupInfo groupInfo) {
 523         if (groupInfo == null) {
 524             return null;
 525         }
 526
 527         return Group.from(groupInfo, account.getRecipientAddressResolver(), account.getSelfRecipientId());
 528     }
 529
 530     @Override
 531     public SendGroupMessageResults quitGroup(
 532             GroupId groupId,
 533             Set<RecipientIdentifier.Single> groupAdmins
 534     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, LastGroupAdminException, UnregisteredRecipientException {
 535         final var newAdmins = context.getRecipientHelper().resolveRecipients(groupAdmins);
 536         return context.getGroupHelper().quitGroup(groupId, newAdmins);
 537     }
 538
 539     @Override
 540     public void deleteGroup(GroupId groupId) throws IOException {
 541         final var group = context.getGroupHelper().getGroup(groupId);
 542         if (group.isMember(account.getSelfRecipientId())) {
 543             throw new IOException(
 544                     "The local group information cannot be removed, as the user is still a member of the group");
 545         }
 546         context.getGroupHelper().deleteGroup(groupId);
 547     }
 548
 549     @Override
 550     public Pair<GroupId, SendGroupMessageResults> createGroup(
 551             String name,
 552             Set<RecipientIdentifier.Single> members,
 553             String avatarFile
 554     ) throws IOException, AttachmentInvalidException, UnregisteredRecipientException {
 555         return context.getGroupHelper()
 556                 .createGroup(name,
 557                         members == null ? null : context.getRecipientHelper().resolveRecipients(members),
 558                         avatarFile);
 559     }
 560
 561     @Override
 562     public SendGroupMessageResults updateGroup(
 563             final GroupId groupId,
 564             final UpdateGroup updateGroup
 565     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 566         return context.getGroupHelper()
 567                 .updateGroup(groupId,
 568                         updateGroup.getName(),
 569                         updateGroup.getDescription(),
 570                         updateGroup.getMembers() == null
 571                                 ? null
 572                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getMembers()),
 573                         updateGroup.getRemoveMembers() == null
 574                                 ? null
 575                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveMembers()),
 576                         updateGroup.getAdmins() == null
 577                                 ? null
 578                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getAdmins()),
 579                         updateGroup.getRemoveAdmins() == null
 580                                 ? null
 581                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveAdmins()),
 582                         updateGroup.getBanMembers() == null
 583                                 ? null
 584                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getBanMembers()),
 585                         updateGroup.getUnbanMembers() == null
 586                                 ? null
 587                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getUnbanMembers()),
 588                         updateGroup.isResetGroupLink(),
 589                         updateGroup.getGroupLinkState(),
 590                         updateGroup.getAddMemberPermission(),
 591                         updateGroup.getEditDetailsPermission(),
 592                         updateGroup.getAvatarFile(),
 593                         updateGroup.getExpirationTimer(),
 594                         updateGroup.getIsAnnouncementGroup());
 595     }
 596
 597     @Override
 598     public Pair<GroupId, SendGroupMessageResults> joinGroup(
 599             GroupInviteLinkUrl inviteLinkUrl
 600     ) throws IOException, InactiveGroupLinkException, PendingAdminApprovalException {
 601         return context.getGroupHelper().joinGroup(inviteLinkUrl);
 602     }
 603
 604     private long getNextMessageTimestamp() {
 605         while (true) {
 606             final var last = lastMessageTimestamp.get();
 607             final var timestamp = System.currentTimeMillis();
 608             if (last == timestamp) {
 609                 try {
 610                     Thread.sleep(1);
 611                 } catch (InterruptedException e) {
 612                     Thread.currentThread().interrupt();
 613                 }
 614                 continue;
 615             }
 616             if (lastMessageTimestamp.compareAndSet(last, timestamp)) {
 617                 return timestamp;
 618             }
 619         }
 620     }
 621
 622     private SendMessageResults sendMessage(
 623             SignalServiceDataMessage.Builder messageBuilder,
 624             Set<RecipientIdentifier> recipients,
 625             boolean notifySelf
 626     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 627         return sendMessage(messageBuilder, recipients, notifySelf, Optional.empty());
 628     }
 629
 630     private SendMessageResults sendMessage(
 631             SignalServiceDataMessage.Builder messageBuilder,
 632             Set<RecipientIdentifier> recipients,
 633             boolean notifySelf,
 634             Optional<Long> editTargetTimestamp
 635     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 636         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 637         long timestamp = getNextMessageTimestamp();
 638         messageBuilder.withTimestamp(timestamp);
 639         for (final var recipient : recipients) {
 640             if (recipient instanceof RecipientIdentifier.NoteToSelf || (
 641                     recipient instanceof RecipientIdentifier.Single single
 642                             && new RecipientAddress(single.toPartialRecipientAddress()).matches(account.getSelfRecipientAddress())
 643             )) {
 644                 final var result = notifySelf
 645                         ? context.getSendHelper()
 646                         .sendMessage(messageBuilder, account.getSelfRecipientId(), editTargetTimestamp)
 647                         : context.getSendHelper().sendSelfMessage(messageBuilder, editTargetTimestamp);
 648                 results.put(recipient, List.of(toSendMessageResult(result)));
 649             } else if (recipient instanceof RecipientIdentifier.Single single) {
 650                 try {
 651                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 652                     final var result = context.getSendHelper()
 653                             .sendMessage(messageBuilder, recipientId, editTargetTimestamp);
 654                     results.put(recipient, List.of(toSendMessageResult(result)));
 655                 } catch (UnregisteredRecipientException e) {
 656                     results.put(recipient,
 657                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 658                 }
 659             } else if (recipient instanceof RecipientIdentifier.Group group) {
 660                 final var result = context.getSendHelper()
 661                         .sendAsGroupMessage(messageBuilder, group.groupId(), notifySelf, editTargetTimestamp);
 662                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 663             }
 664         }
 665         return new SendMessageResults(timestamp, results);
 666     }
 667
 668     private SendMessageResult toSendMessageResult(final org.whispersystems.signalservice.api.messages.SendMessageResult result) {
 669         return SendMessageResult.from(result, account.getRecipientResolver(), account.getRecipientAddressResolver());
 670     }
 671
 672     private SendMessageResults sendTypingMessage(
 673             SignalServiceTypingMessage.Action action,
 674             Set<RecipientIdentifier> recipients
 675     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 676         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 677         final var timestamp = getNextMessageTimestamp();
 678         for (var recipient : recipients) {
 679             if (recipient instanceof RecipientIdentifier.Single single) {
 680                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.empty());
 681                 try {
 682                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 683                     final var result = context.getSendHelper().sendTypingMessage(message, recipientId);
 684                     results.put(recipient, List.of(toSendMessageResult(result)));
 685                 } catch (UnregisteredRecipientException e) {
 686                     results.put(recipient,
 687                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 688                 }
 689             } else if (recipient instanceof RecipientIdentifier.Group) {
 690                 final var groupId = ((RecipientIdentifier.Group) recipient).groupId();
 691                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.of(groupId.serialize()));
 692                 final var result = context.getSendHelper().sendGroupTypingMessage(message, groupId);
 693                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 694             }
 695         }
 696         return new SendMessageResults(timestamp, results);
 697     }
 698
 699     @Override
 700     public SendMessageResults sendTypingMessage(
 701             TypingAction action,
 702             Set<RecipientIdentifier> recipients
 703     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 704         return sendTypingMessage(action.toSignalService(), recipients);
 705     }
 706
 707     @Override
 708     public SendMessageResults sendReadReceipt(RecipientIdentifier.Single sender, List<Long> messageIds) {
 709         final var timestamp = getNextMessageTimestamp();
 710         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.READ,
 711                 messageIds,
 712                 timestamp);
 713
 714         return sendReceiptMessage(sender, timestamp, receiptMessage);
 715     }
 716
 717     @Override
 718     public SendMessageResults sendViewedReceipt(RecipientIdentifier.Single sender, List<Long> messageIds) {
 719         final var timestamp = getNextMessageTimestamp();
 720         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.VIEWED,
 721                 messageIds,
 722                 timestamp);
 723
 724         return sendReceiptMessage(sender, timestamp, receiptMessage);
 725     }
 726
 727     private SendMessageResults sendReceiptMessage(
 728             final RecipientIdentifier.Single sender,
 729             final long timestamp,
 730             final SignalServiceReceiptMessage receiptMessage
 731     ) {
 732         try {
 733             final var recipientId = context.getRecipientHelper().resolveRecipient(sender);
 734             final var result = context.getSendHelper().sendReceiptMessage(receiptMessage, recipientId);
 735
 736             final var serviceId = account.getRecipientAddressResolver()
 737                     .resolveRecipientAddress(recipientId)
 738                     .serviceId();
 739             if (serviceId.isPresent()) {
 740                 context.getSyncHelper().sendSyncReceiptMessage(serviceId.get(), receiptMessage);
 741             }
 742             return new SendMessageResults(timestamp, Map.of(sender, List.of(toSendMessageResult(result))));
 743         } catch (UnregisteredRecipientException e) {
 744             return new SendMessageResults(timestamp,
 745                     Map.of(sender, List.of(SendMessageResult.unregisteredFailure(sender.toPartialRecipientAddress()))));
 746         }
 747     }
 748
 749     @Override
 750     public SendMessageResults sendMessage(
 751             Message message,
 752             Set<RecipientIdentifier> recipients,
 753             boolean notifySelf
 754     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 755         final var selfProfile = context.getProfileHelper().getSelfProfile();
 756         if (selfProfile == null || selfProfile.getDisplayName().isEmpty()) {
 757             logger.warn(
 758                     "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.");
 759         }
 760         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 761         applyMessage(messageBuilder, message);
 762         return sendMessage(messageBuilder, recipients, notifySelf);
 763     }
 764
 765     @Override
 766     public SendMessageResults sendEditMessage(
 767             Message message,
 768             Set<RecipientIdentifier> recipients,
 769             long editTargetTimestamp
 770     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 771         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 772         applyMessage(messageBuilder, message);
 773         return sendMessage(messageBuilder, recipients, false, Optional.of(editTargetTimestamp));
 774     }
 775
 776     private void applyMessage(
 777             final SignalServiceDataMessage.Builder messageBuilder,
 778             final Message message
 779     ) throws AttachmentInvalidException, IOException, UnregisteredRecipientException, InvalidStickerException {
 780         final var additionalAttachments = new ArrayList<SignalServiceAttachment>();
 781         if (Utf8.size(message.messageText()) > MAX_MESSAGE_SIZE_BYTES) {
 782             final var result = splitByByteLength(message.messageText(), MAX_MESSAGE_SIZE_BYTES);
 783             final var trimmed = result.getFirst();
 784             final var remainder = result.getSecond();
 785             if (remainder != null) {
 786                 final var messageBytes = message.messageText().getBytes(StandardCharsets.UTF_8);
 787                 final var uploadSpec = dependencies.getMessageSender().getResumableUploadSpec();
 788                 final var streamDetails = new StreamDetails(new ByteArrayInputStream(messageBytes),
 789                         MimeUtils.LONG_TEXT,
 790                         messageBytes.length);
 791                 final var textAttachment = AttachmentUtils.createAttachmentStream(streamDetails,
 792                         Optional.empty(),
 793                         uploadSpec);
 794                 messageBuilder.withBody(trimmed);
 795                 additionalAttachments.add(context.getAttachmentHelper().uploadAttachment(textAttachment));
 796             } else {
 797                 messageBuilder.withBody(message.messageText());
 798             }
 799         } else {
 800             messageBuilder.withBody(message.messageText());
 801         }
 802         if (!message.attachments().isEmpty()) {
 803             final var uploadedAttachments = context.getAttachmentHelper().uploadAttachments(message.attachments());
 804             if (!additionalAttachments.isEmpty()) {
 805                 additionalAttachments.addAll(uploadedAttachments);
 806                 messageBuilder.withAttachments(additionalAttachments);
 807             } else {
 808                 messageBuilder.withAttachments(uploadedAttachments);
 809             }
 810         } else if (!additionalAttachments.isEmpty()) {
 811             messageBuilder.withAttachments(additionalAttachments);
 812         }
 813         messageBuilder.withViewOnce(message.viewOnce());
 814         if (!message.mentions().isEmpty()) {
 815             messageBuilder.withMentions(resolveMentions(message.mentions()));
 816         }
 817         if (!message.textStyles().isEmpty()) {
 818             messageBuilder.withBodyRanges(message.textStyles().stream().map(TextStyle::toBodyRange).toList());
 819         }
 820         if (message.quote().isPresent()) {
 821             final var quote = message.quote().get();
 822             final var quotedAttachments = new ArrayList<SignalServiceDataMessage.Quote.QuotedAttachment>();
 823             for (final var a : quote.attachments()) {
 824                 final var quotedAttachment = new SignalServiceDataMessage.Quote.QuotedAttachment(a.contentType(),
 825                         a.filename(),
 826                         a.preview() == null ? null : context.getAttachmentHelper().uploadAttachment(a.preview()));
 827                 quotedAttachments.add(quotedAttachment);
 828             }
 829             messageBuilder.withQuote(new SignalServiceDataMessage.Quote(quote.timestamp(),
 830                     context.getRecipientHelper()
 831                             .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(quote.author()))
 832                             .getServiceId(),
 833                     quote.message(),
 834                     quotedAttachments,
 835                     resolveMentions(quote.mentions()),
 836                     SignalServiceDataMessage.Quote.Type.NORMAL,
 837                     quote.textStyles().stream().map(TextStyle::toBodyRange).toList()));
 838         }
 839         if (message.sticker().isPresent()) {
 840             final var sticker = message.sticker().get();
 841             final var packId = StickerPackId.deserialize(sticker.packId());
 842             final var stickerId = sticker.stickerId();
 843
 844             final var stickerPack = context.getAccount().getStickerStore().getStickerPack(packId);
 845             if (stickerPack == null) {
 846                 throw new InvalidStickerException("Sticker pack not found");
 847             }
 848             final var manifest = context.getStickerHelper().getOrRetrieveStickerPack(packId, stickerPack.packKey());
 849             if (manifest.stickers().size() <= stickerId) {
 850                 throw new InvalidStickerException("Sticker id not part of this pack");
 851             }
 852             final var manifestSticker = manifest.stickers().get(stickerId);
 853             final var streamDetails = context.getStickerPackStore().retrieveSticker(packId, stickerId);
 854             if (streamDetails == null) {
 855                 throw new InvalidStickerException("Missing local sticker file");
 856             }
 857             final var uploadSpec = dependencies.getMessageSender().getResumableUploadSpec();
 858             final var stickerAttachment = AttachmentUtils.createAttachmentStream(streamDetails,
 859                     Optional.empty(),
 860                     uploadSpec);
 861             messageBuilder.withSticker(new SignalServiceDataMessage.Sticker(packId.serialize(),
 862                     stickerPack.packKey(),
 863                     stickerId,
 864                     manifestSticker.emoji(),
 865                     stickerAttachment));
 866         }
 867         if (!message.previews().isEmpty()) {
 868             final var previews = new ArrayList<SignalServicePreview>(message.previews().size());
 869             for (final var p : message.previews()) {
 870                 final var image = p.image().isPresent() ? context.getAttachmentHelper()
 871                         .uploadAttachment(p.image().get()) : null;
 872                 previews.add(new SignalServicePreview(p.url(),
 873                         p.title(),
 874                         p.description(),
 875                         0,
 876                         Optional.ofNullable(image)));
 877             }
 878             messageBuilder.withPreviews(previews);
 879         }
 880         if (message.storyReply().isPresent()) {
 881             final var storyReply = message.storyReply().get();
 882             final var authorServiceId = context.getRecipientHelper()
 883                     .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(storyReply.author()))
 884                     .getServiceId();
 885             messageBuilder.withStoryContext(new SignalServiceDataMessage.StoryContext(authorServiceId,
 886                     storyReply.timestamp()));
 887         }
 888     }
 889
 890     private ArrayList<SignalServiceDataMessage.Mention> resolveMentions(final List<Message.Mention> mentionList) throws UnregisteredRecipientException {
 891         final var mentions = new ArrayList<SignalServiceDataMessage.Mention>();
 892         for (final var m : mentionList) {
 893             final var recipientId = context.getRecipientHelper().resolveRecipient(m.recipient());
 894             mentions.add(new SignalServiceDataMessage.Mention(context.getRecipientHelper()
 895                     .resolveSignalServiceAddress(recipientId)
 896                     .getServiceId(), m.start(), m.length()));
 897         }
 898         return mentions;
 899     }
 900
 901     @Override
 902     public SendMessageResults sendRemoteDeleteMessage(
 903             long targetSentTimestamp,
 904             Set<RecipientIdentifier> recipients
 905     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 906         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
 907         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
 908         for (final var recipient : recipients) {
 909             if (recipient instanceof RecipientIdentifier.Uuid u) {
 910                 account.getMessageSendLogStore()
 911                         .deleteEntryForRecipientNonGroup(targetSentTimestamp, ACI.from(u.uuid()));
 912             } else if (recipient instanceof RecipientIdentifier.Pni pni) {
 913                 account.getMessageSendLogStore()
 914                         .deleteEntryForRecipientNonGroup(targetSentTimestamp, PNI.from(pni.pni()));
 915             } else if (recipient instanceof RecipientIdentifier.Single r) {
 916                 try {
 917                     final var recipientId = context.getRecipientHelper().resolveRecipient(r);
 918                     final var address = account.getRecipientAddressResolver().resolveRecipientAddress(recipientId);
 919                     if (address.serviceId().isPresent()) {
 920                         account.getMessageSendLogStore()
 921                                 .deleteEntryForRecipientNonGroup(targetSentTimestamp, address.serviceId().get());
 922                     }
 923                 } catch (UnregisteredRecipientException ignored) {
 924                 }
 925             } else if (recipient instanceof RecipientIdentifier.Group r) {
 926                 account.getMessageSendLogStore().deleteEntryForGroup(targetSentTimestamp, r.groupId());
 927             }
 928         }
 929         return sendMessage(messageBuilder, recipients, false);
 930     }
 931
 932     @Override
 933     public SendMessageResults sendMessageReaction(
 934             String emoji,
 935             boolean remove,
 936             RecipientIdentifier.Single targetAuthor,
 937             long targetSentTimestamp,
 938             Set<RecipientIdentifier> recipients,
 939             final boolean isStory
 940     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 941         var targetAuthorRecipientId = context.getRecipientHelper().resolveRecipient(targetAuthor);
 942         final var authorServiceId = context.getRecipientHelper()
 943                 .resolveSignalServiceAddress(targetAuthorRecipientId)
 944                 .getServiceId();
 945         var reaction = new SignalServiceDataMessage.Reaction(emoji, remove, authorServiceId, targetSentTimestamp);
 946         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 947         if (isStory) {
 948             messageBuilder.withStoryContext(new SignalServiceDataMessage.StoryContext(authorServiceId,
 949                     targetSentTimestamp));
 950         }
 951         return sendMessage(messageBuilder, recipients, false);
 952     }
 953
 954     @Override
 955     public SendMessageResults sendPaymentNotificationMessage(
 956             byte[] receipt,
 957             String note,
 958             RecipientIdentifier.Single recipient
 959     ) throws IOException {
 960         final var paymentNotification = new SignalServiceDataMessage.PaymentNotification(receipt, note);
 961         final var payment = new SignalServiceDataMessage.Payment(paymentNotification, null);
 962         final var messageBuilder = SignalServiceDataMessage.newBuilder().withPayment(payment);
 963         try {
 964             return sendMessage(messageBuilder, Set.of(recipient), false);
 965         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 966             throw new AssertionError(e);
 967         }
 968     }
 969
 970     @Override
 971     public SendMessageResults sendEndSessionMessage(Set<RecipientIdentifier.Single> recipients) throws IOException {
 972         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
 973
 974         try {
 975             return sendMessage(messageBuilder,
 976                     recipients.stream().map(RecipientIdentifier.class::cast).collect(Collectors.toSet()),
 977                     false);
 978         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 979             throw new AssertionError(e);
 980         } finally {
 981             for (var recipient : recipients) {
 982                 final RecipientId recipientId;
 983                 try {
 984                     recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 985                 } catch (UnregisteredRecipientException e) {
 986                     continue;
 987                 }
 988                 final var serviceId = context.getAccount()
 989                         .getRecipientAddressResolver()
 990                         .resolveRecipientAddress(recipientId)
 991                         .serviceId();
 992                 if (serviceId.isPresent()) {
 993                     account.getAccountData(ServiceIdType.ACI).getSessionStore().deleteAllSessions(serviceId.get());
 994                 }
 995             }
 996         }
 997     }
 998
 999     @Override
1000     public SendMessageResults sendMessageRequestResponse(
1001             final MessageRequestResponse.Type type,
1002             final Set<RecipientIdentifier> recipients
1003     ) {
1004         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
1005         for (final var recipient : recipients) {
1006             if (recipient instanceof RecipientIdentifier.NoteToSelf || (
1007                     recipient instanceof RecipientIdentifier.Single single
1008                             && new RecipientAddress(single.toPartialRecipientAddress()).matches(account.getSelfRecipientAddress())
1009             )) {
1010                 final var result = context.getSyncHelper()
1011                         .sendMessageRequestResponse(type, account.getSelfRecipientId());
1012                 if (result != null) {
1013                     results.put(recipient, List.of(toSendMessageResult(result)));
1014                 }
1015                 results.put(recipient, List.of(toSendMessageResult(result)));
1016             } else if (recipient instanceof RecipientIdentifier.Single single) {
1017                 try {
1018                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
1019                     final var result = context.getSyncHelper().sendMessageRequestResponse(type, recipientId);
1020                     if (result != null) {
1021                         results.put(recipient, List.of(toSendMessageResult(result)));
1022                     }
1023                 } catch (UnregisteredRecipientException e) {
1024                     results.put(recipient,
1025                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
1026                 }
1027             } else if (recipient instanceof RecipientIdentifier.Group group) {
1028                 final var result = context.getSyncHelper().sendMessageRequestResponse(type, group.groupId());
1029                 results.put(recipient, List.of(toSendMessageResult(result)));
1030             }
1031         }
1032         return new SendMessageResults(0, results);
1033     }
1034
1035     @Override
1036     public void hideRecipient(final RecipientIdentifier.Single recipient) {
1037         final var recipientIdOptional = context.getRecipientHelper().resolveRecipientOptional(recipient);
1038         if (recipientIdOptional.isPresent()) {
1039             context.getContactHelper().setContactHidden(recipientIdOptional.get(), true);
1040             account.removeRecipient(recipientIdOptional.get());
1041             syncRemoteStorage();
1042         }
1043     }
1044
1045     @Override
1046     public void deleteRecipient(final RecipientIdentifier.Single recipient) {
1047         final var recipientIdOptional = context.getRecipientHelper().resolveRecipientOptional(recipient);
1048         if (recipientIdOptional.isPresent()) {
1049             account.removeRecipient(recipientIdOptional.get());
1050             syncRemoteStorage();
1051         }
1052     }
1053
1054     @Override
1055     public void deleteContact(final RecipientIdentifier.Single recipient) {
1056         final var recipientIdOptional = context.getRecipientHelper().resolveRecipientOptional(recipient);
1057         if (recipientIdOptional.isPresent()) {
1058             account.getContactStore().deleteContact(recipientIdOptional.get());
1059             syncRemoteStorage();
1060         }
1061     }
1062
1063     @Override
1064     public void setContactName(
1065             final RecipientIdentifier.Single recipient,
1066             final String givenName,
1067             final String familyName,
1068             final String nickGivenName,
1069             final String nickFamilyName,
1070             final String note
1071     ) throws NotPrimaryDeviceException, UnregisteredRecipientException {
1072         if (!account.isPrimaryDevice()) {
1073             throw new NotPrimaryDeviceException();
1074         }
1075         context.getContactHelper()
1076                 .setContactName(context.getRecipientHelper().resolveRecipient(recipient),
1077                         givenName,
1078                         familyName,
1079                         nickGivenName,
1080                         nickFamilyName,
1081                         note);
1082         syncRemoteStorage();
1083     }
1084
1085     @Override
1086     public void setContactsBlocked(
1087             Collection<RecipientIdentifier.Single> recipients,
1088             boolean blocked
1089     ) throws IOException, UnregisteredRecipientException {
1090         if (recipients.isEmpty()) {
1091             return;
1092         }
1093         final var recipientIds = context.getRecipientHelper().resolveRecipients(recipients);
1094         final var selfRecipientId = account.getSelfRecipientId();
1095         boolean shouldRotateProfileKey = false;
1096         for (final var recipientId : recipientIds) {
1097             if (context.getContactHelper().isContactBlocked(recipientId) == blocked) {
1098                 continue;
1099             }
1100             context.getContactHelper().setContactBlocked(recipientId, blocked);
1101             context.getSyncHelper()
1102                     .sendMessageRequestResponse(blocked
1103                             ? MessageRequestResponse.Type.BLOCK
1104                             : MessageRequestResponse.Type.UNBLOCK_AND_ACCEPT, recipientId);
1105             // if we don't have a common group with the blocked contact we need to rotate the profile key
1106             shouldRotateProfileKey = blocked && (
1107                     shouldRotateProfileKey || account.getGroupStore()
1108                             .getGroups()
1109                             .stream()
1110                             .noneMatch(g -> g.isMember(selfRecipientId) && g.isMember(recipientId))
1111             );
1112         }
1113         if (shouldRotateProfileKey) {
1114             context.getProfileHelper().rotateProfileKey();
1115         }
1116         context.getSyncHelper().sendBlockedList();
1117         syncRemoteStorage();
1118     }
1119
1120     @Override
1121     public void setGroupsBlocked(
1122             final Collection<GroupId> groupIds,
1123             final boolean blocked
1124     ) throws GroupNotFoundException, IOException {
1125         if (groupIds.isEmpty()) {
1126             return;
1127         }
1128         boolean shouldRotateProfileKey = false;
1129         for (final var groupId : groupIds) {
1130             if (context.getGroupHelper().isGroupBlocked(groupId) == blocked) {
1131                 continue;
1132             }
1133             context.getGroupHelper().setGroupBlocked(groupId, blocked);
1134             context.getSyncHelper()
1135                     .sendMessageRequestResponse(blocked
1136                             ? MessageRequestResponse.Type.BLOCK
1137                             : MessageRequestResponse.Type.UNBLOCK_AND_ACCEPT, groupId);
1138             shouldRotateProfileKey = blocked;
1139         }
1140         if (shouldRotateProfileKey) {
1141             context.getProfileHelper().rotateProfileKey();
1142         }
1143         context.getSyncHelper().sendBlockedList();
1144         syncRemoteStorage();
1145     }
1146
1147     @Override
1148     public void setExpirationTimer(
1149             RecipientIdentifier.Single recipient,
1150             int messageExpirationTimer
1151     ) throws IOException, UnregisteredRecipientException {
1152         var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1153         context.getContactHelper().setExpirationTimer(recipientId, messageExpirationTimer);
1154         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
1155         try {
1156             sendMessage(messageBuilder, Set.of(recipient), false);
1157         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
1158             throw new AssertionError(e);
1159         }
1160         syncRemoteStorage();
1161     }
1162
1163     @Override
1164     public StickerPackUrl uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
1165         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
1166
1167         var messageSender = dependencies.getMessageSender();
1168
1169         var packKey = KeyUtils.createStickerUploadKey();
1170         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
1171         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
1172
1173         var sticker = new StickerPack(packId, packKey);
1174         account.getStickerStore().addStickerPack(sticker);
1175         context.getSyncHelper().sendStickerOperationsMessage(List.of(sticker), List.of());
1176
1177         return new StickerPackUrl(packId, packKey);
1178     }
1179
1180     @Override
1181     public void installStickerPack(StickerPackUrl url) throws IOException {
1182         final var packId = url.packId();
1183         final var packKey = url.packKey();
1184         try {
1185             context.getStickerHelper().retrieveStickerPack(packId, packKey);
1186         } catch (InvalidMessageException e) {
1187             throw new IOException(e);
1188         }
1189
1190         final var sticker = context.getStickerHelper().addOrUpdateStickerPack(packId, packKey, true);
1191         context.getSyncHelper().sendStickerOperationsMessage(List.of(sticker), List.of());
1192     }
1193
1194     @Override
1195     public List<org.asamk.signal.manager.api.StickerPack> getStickerPacks() {
1196         final var stickerPackStore = context.getStickerPackStore();
1197         return account.getStickerStore().getStickerPacks().stream().map(pack -> {
1198             if (stickerPackStore.existsStickerPack(pack.packId())) {
1199                 try {
1200                     final var manifest = stickerPackStore.retrieveManifest(pack.packId());
1201                     return new org.asamk.signal.manager.api.StickerPack(pack.packId(),
1202                             new StickerPackUrl(pack.packId(), pack.packKey()),
1203                             pack.isInstalled(),
1204                             manifest.title(),
1205                             manifest.author(),
1206                             Optional.ofNullable(manifest.cover() == null ? null : manifest.cover().toApi()),
1207                             manifest.stickers().stream().map(JsonStickerPack.JsonSticker::toApi).toList());
1208                 } catch (Exception e) {
1209                     logger.warn("Failed to read local sticker pack manifest: {}", e.getMessage(), e);
1210                 }
1211             }
1212
1213             return new org.asamk.signal.manager.api.StickerPack(pack.packId(), pack.packKey(), pack.isInstalled());
1214         }).toList();
1215     }
1216
1217     @Override
1218     public void requestAllSyncData() {
1219         context.getSyncHelper().requestAllSyncData();
1220         syncRemoteStorage();
1221     }
1222
1223     void syncRemoteStorage() {
1224         context.getJobExecutor().enqueueJob(new SyncStorageJob());
1225     }
1226
1227     @Override
1228     public void addReceiveHandler(final ReceiveMessageHandler handler, final boolean isWeakListener) {
1229         synchronized (messageHandlers) {
1230             if (isWeakListener) {
1231                 weakHandlers.add(handler);
1232             } else {
1233                 messageHandlers.add(handler);
1234                 startReceiveThreadIfRequired();
1235             }
1236         }
1237     }
1238
1239     private static final AtomicInteger threadNumber = new AtomicInteger(0);
1240
1241     private void startReceiveThreadIfRequired() {
1242         if (receiveThread != null || isReceivingSynchronous) {
1243             return;
1244         }
1245         receiveThread = Thread.ofPlatform().name("receive-" + threadNumber.getAndIncrement()).start(() -> {
1246             logger.debug("Starting receiving messages");
1247             context.getReceiveHelper().receiveMessagesContinuously(this::passReceivedMessageToHandlers);
1248             logger.debug("Finished receiving messages");
1249             synchronized (messageHandlers) {
1250                 receiveThread = null;
1251
1252                 // Check if in the meantime another handler has been registered
1253                 if (!messageHandlers.isEmpty()) {
1254                     logger.debug("Another handler has been registered, starting receive thread again");
1255                     startReceiveThreadIfRequired();
1256                 }
1257             }
1258         });
1259     }
1260
1261     private void passReceivedMessageToHandlers(MessageEnvelope envelope, Throwable e) {
1262         synchronized (messageHandlers) {
1263             Stream.concat(messageHandlers.stream(), weakHandlers.stream()).forEach(h -> {
1264                 try {
1265                     h.handleMessage(envelope, e);
1266                 } catch (Throwable ex) {
1267                     logger.warn("Message handler failed, ignoring", ex);
1268                 }
1269             });
1270         }
1271     }
1272
1273     @Override
1274     public void removeReceiveHandler(final ReceiveMessageHandler handler) {
1275         final Thread thread;
1276         synchronized (messageHandlers) {
1277             weakHandlers.remove(handler);
1278             messageHandlers.remove(handler);
1279             if (!messageHandlers.isEmpty() || receiveThread == null || isReceivingSynchronous) {
1280                 return;
1281             }
1282             thread = receiveThread;
1283             receiveThread = null;
1284         }
1285
1286         stopReceiveThread(thread);
1287     }
1288
1289     private void stopReceiveThread(final Thread thread) {
1290         if (context.getReceiveHelper().requestStopReceiveMessages()) {
1291             logger.debug("Receive stop requested, interrupting read from server.");
1292             thread.interrupt();
1293         }
1294         try {
1295             thread.join();
1296         } catch (InterruptedException ignored) {
1297         }
1298     }
1299
1300     @Override
1301     public boolean isReceiving() {
1302         if (isReceivingSynchronous) {
1303             return true;
1304         }
1305         synchronized (messageHandlers) {
1306             return !messageHandlers.isEmpty();
1307         }
1308     }
1309
1310     @Override
1311     public void receiveMessages(
1312             Optional<Duration> timeout,
1313             Optional<Integer> maxMessages,
1314             ReceiveMessageHandler handler
1315     ) throws IOException, AlreadyReceivingException {
1316         receiveMessages(timeout.orElse(Duration.ofMinutes(1)), timeout.isPresent(), maxMessages.orElse(null), handler);
1317     }
1318
1319     @Override
1320     public void stopReceiveMessages() {
1321         Thread thread = null;
1322         synchronized (messageHandlers) {
1323             if (isReceivingSynchronous) {
1324                 thread = receiveThread;
1325                 receiveThread = null;
1326             }
1327         }
1328         if (thread != null) {
1329             stopReceiveThread(thread);
1330         }
1331     }
1332
1333     private void receiveMessages(
1334             Duration timeout,
1335             boolean returnOnTimeout,
1336             Integer maxMessages,
1337             ReceiveMessageHandler handler
1338     ) throws IOException, AlreadyReceivingException {
1339         synchronized (messageHandlers) {
1340             if (isReceiving()) {
1341                 throw new AlreadyReceivingException("Already receiving message.");
1342             }
1343             isReceivingSynchronous = true;
1344             receiveThread = Thread.currentThread();
1345         }
1346         try {
1347             context.getReceiveHelper().receiveMessages(timeout, returnOnTimeout, maxMessages, (envelope, e) -> {
1348                 passReceivedMessageToHandlers(envelope, e);
1349                 handler.handleMessage(envelope, e);
1350             });
1351         } finally {
1352             synchronized (messageHandlers) {
1353                 receiveThread = null;
1354                 isReceivingSynchronous = false;
1355                 if (!messageHandlers.isEmpty()) {
1356                     startReceiveThreadIfRequired();
1357                 }
1358             }
1359         }
1360     }
1361
1362     @Override
1363     public void setReceiveConfig(final ReceiveConfig receiveConfig) {
1364         context.getReceiveHelper().setReceiveConfig(receiveConfig);
1365     }
1366
1367     @Override
1368     public boolean isContactBlocked(final RecipientIdentifier.Single recipient) {
1369         final RecipientId recipientId;
1370         try {
1371             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1372         } catch (UnregisteredRecipientException e) {
1373             return false;
1374         }
1375         return context.getContactHelper().isContactBlocked(recipientId);
1376     }
1377
1378     @Override
1379     public void sendContacts() throws IOException {
1380         context.getSyncHelper().sendContacts();
1381     }
1382
1383     @Override
1384     public List<Recipient> getRecipients(
1385             boolean onlyContacts,
1386             Optional<Boolean> blocked,
1387             Collection<RecipientIdentifier.Single> recipients,
1388             Optional<String> name
1389     ) {
1390         final var recipientIds = recipients.stream().map(a -> {
1391             try {
1392                 return context.getRecipientHelper().resolveRecipient(a);
1393             } catch (UnregisteredRecipientException e) {
1394                 return null;
1395             }
1396         }).filter(Objects::nonNull).collect(Collectors.toSet());
1397         if (!recipients.isEmpty() && recipientIds.isEmpty()) {
1398             return List.of();
1399         }
1400         // refresh profiles of explicitly given recipients
1401         context.getProfileHelper().refreshRecipientProfiles(recipientIds);
1402         return account.getRecipientStore()
1403                 .getRecipients(onlyContacts, blocked, recipientIds, name)
1404                 .stream()
1405                 .map(s -> new Recipient(s.getRecipientId(),
1406                         s.getAddress().toApiRecipientAddress(),
1407                         s.getContact(),
1408                         s.getProfileKey(),
1409                         s.getExpiringProfileKeyCredential(),
1410                         s.getProfile(),
1411                         s.getDiscoverable()))
1412                 .toList();
1413     }
1414
1415     @Override
1416     public String getContactOrProfileName(RecipientIdentifier.Single recipient) {
1417         final RecipientId recipientId;
1418         try {
1419             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1420         } catch (UnregisteredRecipientException e) {
1421             return null;
1422         }
1423
1424         final var contact = account.getContactStore().getContact(recipientId);
1425         if (contact != null && !Util.isEmpty(contact.getName())) {
1426             return contact.getName();
1427         }
1428
1429         final var profile = context.getProfileHelper().getRecipientProfile(recipientId);
1430         if (profile != null) {
1431             return profile.getDisplayName();
1432         }
1433
1434         return null;
1435     }
1436
1437     @Override
1438     public Group getGroup(GroupId groupId) {
1439         return toGroup(context.getGroupHelper().getGroup(groupId));
1440     }
1441
1442     @Override
1443     public List<Identity> getIdentities() {
1444         return account.getIdentityKeyStore()
1445                 .getIdentities()
1446                 .stream()
1447                 .map(this::toIdentity)
1448                 .filter(Objects::nonNull)
1449                 .toList();
1450     }
1451
1452     private Identity toIdentity(final IdentityInfo identityInfo) {
1453         if (identityInfo == null) {
1454             return null;
1455         }
1456
1457         final var address = account.getRecipientAddressResolver()
1458                 .resolveRecipientAddress(account.getRecipientResolver().resolveRecipient(identityInfo.getServiceId()));
1459         if (address.serviceId().isPresent() && !Objects.equals(address.serviceId().get(),
1460                 identityInfo.getServiceId())) {
1461             return null;
1462         }
1463         final var scannableFingerprint = context.getIdentityHelper()
1464                 .computeSafetyNumberForScanning(identityInfo.getServiceId(), identityInfo.getIdentityKey());
1465         return new Identity(address.toApiRecipientAddress(),
1466                 identityInfo.getIdentityKey().getPublicKey().serialize(),
1467                 context.getIdentityHelper()
1468                         .computeSafetyNumber(identityInfo.getServiceId(), identityInfo.getIdentityKey()),
1469                 scannableFingerprint == null ? null : scannableFingerprint.getSerialized(),
1470                 identityInfo.getTrustLevel(),
1471                 identityInfo.getDateAddedTimestamp());
1472     }
1473
1474     @Override
1475     public List<Identity> getIdentities(RecipientIdentifier.Single recipient) {
1476         ServiceId serviceId;
1477         try {
1478             final var address = account.getRecipientAddressResolver()
1479                     .resolveRecipientAddress(context.getRecipientHelper().resolveRecipient(recipient));
1480             if (address.serviceId().isEmpty()) {
1481                 return List.of();
1482             }
1483             serviceId = address.serviceId().get();
1484         } catch (UnregisteredRecipientException e) {
1485             return List.of();
1486         }
1487         final var identity = account.getIdentityKeyStore().getIdentityInfo(serviceId);
1488         return identity == null ? List.of() : List.of(toIdentity(identity));
1489     }
1490
1491     @Override
1492     public boolean trustIdentityVerified(
1493             RecipientIdentifier.Single recipient,
1494             IdentityVerificationCode verificationCode
1495     ) throws UnregisteredRecipientException {
1496         return switch (verificationCode) {
1497             case IdentityVerificationCode.Fingerprint fingerprint -> trustIdentity(recipient,
1498                     r -> context.getIdentityHelper().trustIdentityVerified(r, fingerprint.fingerprint()));
1499             case IdentityVerificationCode.SafetyNumber safetyNumber -> trustIdentity(recipient,
1500                     r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber.safetyNumber()));
1501             case IdentityVerificationCode.ScannableSafetyNumber safetyNumber -> trustIdentity(recipient,
1502                     r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber.safetyNumber()));
1503             case null -> throw new AssertionError("Invalid verification code type");
1504         };
1505     }
1506
1507     @Override
1508     public boolean trustIdentityAllKeys(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
1509         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityAllKeys(r));
1510     }
1511
1512     private boolean trustIdentity(
1513             RecipientIdentifier.Single recipient,
1514             Function<RecipientId, Boolean> trustMethod
1515     ) throws UnregisteredRecipientException {
1516         final var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1517         final var updated = trustMethod.apply(recipientId);
1518         if (updated && this.isReceiving()) {
1519             account.setNeedsToRetryFailedMessages(true);
1520         }
1521         return updated;
1522     }
1523
1524     @Override
1525     public void addAddressChangedListener(final Runnable listener) {
1526         synchronized (addressChangedListeners) {
1527             addressChangedListeners.add(listener);
1528         }
1529     }
1530
1531     @Override
1532     public void addClosedListener(final Runnable listener) {
1533         synchronized (closedListeners) {
1534             closedListeners.add(listener);
1535         }
1536     }
1537
1538     @Override
1539     public InputStream retrieveAttachment(final String id) throws IOException {
1540         return context.getAttachmentHelper().retrieveAttachment(id).getStream();
1541     }
1542
1543     @Override
1544     public InputStream retrieveContactAvatar(final RecipientIdentifier.Single recipient) throws IOException, UnregisteredRecipientException {
1545         final var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1546         final var address = account.getRecipientStore().resolveRecipientAddress(recipientId);
1547         final var streamDetails = context.getAvatarStore().retrieveContactAvatar(address);
1548         if (streamDetails == null) {
1549             throw new FileNotFoundException();
1550         }
1551         return streamDetails.getStream();
1552     }
1553
1554     @Override
1555     public InputStream retrieveProfileAvatar(final RecipientIdentifier.Single recipient) throws IOException, UnregisteredRecipientException {
1556         final var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1557         context.getProfileHelper().getRecipientProfile(recipientId);
1558         final var address = account.getRecipientStore().resolveRecipientAddress(recipientId);
1559         final var streamDetails = context.getAvatarStore().retrieveProfileAvatar(address);
1560         if (streamDetails == null) {
1561             throw new FileNotFoundException();
1562         }
1563         return streamDetails.getStream();
1564     }
1565
1566     @Override
1567     public InputStream retrieveGroupAvatar(final GroupId groupId) throws IOException {
1568         final var streamDetails = context.getAvatarStore().retrieveGroupAvatar(groupId);
1569         context.getGroupHelper().getGroup(groupId);
1570         if (streamDetails == null) {
1571             throw new FileNotFoundException();
1572         }
1573         return streamDetails.getStream();
1574     }
1575
1576     @Override
1577     public InputStream retrieveSticker(final StickerPackId stickerPackId, final int stickerId) throws IOException {
1578         var streamDetails = context.getStickerPackStore().retrieveSticker(stickerPackId, stickerId);
1579         if (streamDetails == null) {
1580             final var pack = account.getStickerStore().getStickerPack(stickerPackId);
1581             if (pack != null) {
1582                 try {
1583                     context.getStickerHelper().retrieveStickerPack(stickerPackId, pack.packKey());
1584                 } catch (InvalidMessageException e) {
1585                     logger.warn("Failed to download sticker pack");
1586                 }
1587             }
1588         }
1589         if (streamDetails == null) {
1590             throw new FileNotFoundException();
1591         }
1592         return streamDetails.getStream();
1593     }
1594
1595     @Override
1596     public void close() {
1597         Thread thread;
1598         synchronized (messageHandlers) {
1599             weakHandlers.clear();
1600             messageHandlers.clear();
1601             thread = receiveThread;
1602             receiveThread = null;
1603         }
1604         if (thread != null) {
1605             stopReceiveThread(thread);
1606         }
1607         context.close();
1608         executor.close();
1609
1610         dependencies.getAuthenticatedSignalWebSocket().disconnect();
1611         dependencies.getUnauthenticatedSignalWebSocket().disconnect();
1612         dependencies.getPushServiceSocket().close();
1613         disposable.dispose();
1614
1615         if (account != null) {
1616             account.close();
1617         }
1618
1619         synchronized (closedListeners) {
1620             closedListeners.forEach(Runnable::run);
1621             closedListeners.clear();
1622         }
1623
1624         account = null;
1625     }
1626 }