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         if (!message.mentions().isEmpty()) {
 814             messageBuilder.withMentions(resolveMentions(message.mentions()));
 815         }
 816         if (!message.textStyles().isEmpty()) {
 817             messageBuilder.withBodyRanges(message.textStyles().stream().map(TextStyle::toBodyRange).toList());
 818         }
 819         if (message.quote().isPresent()) {
 820             final var quote = message.quote().get();
 821             final var quotedAttachments = new ArrayList<SignalServiceDataMessage.Quote.QuotedAttachment>();
 822             for (final var a : quote.attachments()) {
 823                 final var quotedAttachment = new SignalServiceDataMessage.Quote.QuotedAttachment(a.contentType(),
 824                         a.filename(),
 825                         a.preview() == null ? null : context.getAttachmentHelper().uploadAttachment(a.preview()));
 826                 quotedAttachments.add(quotedAttachment);
 827             }
 828             messageBuilder.withQuote(new SignalServiceDataMessage.Quote(quote.timestamp(),
 829                     context.getRecipientHelper()
 830                             .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(quote.author()))
 831                             .getServiceId(),
 832                     quote.message(),
 833                     quotedAttachments,
 834                     resolveMentions(quote.mentions()),
 835                     SignalServiceDataMessage.Quote.Type.NORMAL,
 836                     quote.textStyles().stream().map(TextStyle::toBodyRange).toList()));
 837         }
 838         if (message.sticker().isPresent()) {
 839             final var sticker = message.sticker().get();
 840             final var packId = StickerPackId.deserialize(sticker.packId());
 841             final var stickerId = sticker.stickerId();
 842
 843             final var stickerPack = context.getAccount().getStickerStore().getStickerPack(packId);
 844             if (stickerPack == null) {
 845                 throw new InvalidStickerException("Sticker pack not found");
 846             }
 847             final var manifest = context.getStickerHelper().getOrRetrieveStickerPack(packId, stickerPack.packKey());
 848             if (manifest.stickers().size() <= stickerId) {
 849                 throw new InvalidStickerException("Sticker id not part of this pack");
 850             }
 851             final var manifestSticker = manifest.stickers().get(stickerId);
 852             final var streamDetails = context.getStickerPackStore().retrieveSticker(packId, stickerId);
 853             if (streamDetails == null) {
 854                 throw new InvalidStickerException("Missing local sticker file");
 855             }
 856             final var uploadSpec = dependencies.getMessageSender().getResumableUploadSpec();
 857             final var stickerAttachment = AttachmentUtils.createAttachmentStream(streamDetails,
 858                     Optional.empty(),
 859                     uploadSpec);
 860             messageBuilder.withSticker(new SignalServiceDataMessage.Sticker(packId.serialize(),
 861                     stickerPack.packKey(),
 862                     stickerId,
 863                     manifestSticker.emoji(),
 864                     stickerAttachment));
 865         }
 866         if (!message.previews().isEmpty()) {
 867             final var previews = new ArrayList<SignalServicePreview>(message.previews().size());
 868             for (final var p : message.previews()) {
 869                 final var image = p.image().isPresent() ? context.getAttachmentHelper()
 870                         .uploadAttachment(p.image().get()) : null;
 871                 previews.add(new SignalServicePreview(p.url(),
 872                         p.title(),
 873                         p.description(),
 874                         0,
 875                         Optional.ofNullable(image)));
 876             }
 877             messageBuilder.withPreviews(previews);
 878         }
 879         if (message.storyReply().isPresent()) {
 880             final var storyReply = message.storyReply().get();
 881             final var authorServiceId = context.getRecipientHelper()
 882                     .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(storyReply.author()))
 883                     .getServiceId();
 884             messageBuilder.withStoryContext(new SignalServiceDataMessage.StoryContext(authorServiceId,
 885                     storyReply.timestamp()));
 886         }
 887     }
 888
 889     private ArrayList<SignalServiceDataMessage.Mention> resolveMentions(final List<Message.Mention> mentionList) throws UnregisteredRecipientException {
 890         final var mentions = new ArrayList<SignalServiceDataMessage.Mention>();
 891         for (final var m : mentionList) {
 892             final var recipientId = context.getRecipientHelper().resolveRecipient(m.recipient());
 893             mentions.add(new SignalServiceDataMessage.Mention(context.getRecipientHelper()
 894                     .resolveSignalServiceAddress(recipientId)
 895                     .getServiceId(), m.start(), m.length()));
 896         }
 897         return mentions;
 898     }
 899
 900     @Override
 901     public SendMessageResults sendRemoteDeleteMessage(
 902             long targetSentTimestamp,
 903             Set<RecipientIdentifier> recipients
 904     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 905         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
 906         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
 907         for (final var recipient : recipients) {
 908             if (recipient instanceof RecipientIdentifier.Uuid u) {
 909                 account.getMessageSendLogStore()
 910                         .deleteEntryForRecipientNonGroup(targetSentTimestamp, ACI.from(u.uuid()));
 911             } else if (recipient instanceof RecipientIdentifier.Pni pni) {
 912                 account.getMessageSendLogStore()
 913                         .deleteEntryForRecipientNonGroup(targetSentTimestamp, PNI.from(pni.pni()));
 914             } else if (recipient instanceof RecipientIdentifier.Single r) {
 915                 try {
 916                     final var recipientId = context.getRecipientHelper().resolveRecipient(r);
 917                     final var address = account.getRecipientAddressResolver().resolveRecipientAddress(recipientId);
 918                     if (address.serviceId().isPresent()) {
 919                         account.getMessageSendLogStore()
 920                                 .deleteEntryForRecipientNonGroup(targetSentTimestamp, address.serviceId().get());
 921                     }
 922                 } catch (UnregisteredRecipientException ignored) {
 923                 }
 924             } else if (recipient instanceof RecipientIdentifier.Group r) {
 925                 account.getMessageSendLogStore().deleteEntryForGroup(targetSentTimestamp, r.groupId());
 926             }
 927         }
 928         return sendMessage(messageBuilder, recipients, false);
 929     }
 930
 931     @Override
 932     public SendMessageResults sendMessageReaction(
 933             String emoji,
 934             boolean remove,
 935             RecipientIdentifier.Single targetAuthor,
 936             long targetSentTimestamp,
 937             Set<RecipientIdentifier> recipients,
 938             final boolean isStory
 939     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 940         var targetAuthorRecipientId = context.getRecipientHelper().resolveRecipient(targetAuthor);
 941         final var authorServiceId = context.getRecipientHelper()
 942                 .resolveSignalServiceAddress(targetAuthorRecipientId)
 943                 .getServiceId();
 944         var reaction = new SignalServiceDataMessage.Reaction(emoji, remove, authorServiceId, targetSentTimestamp);
 945         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 946         if (isStory) {
 947             messageBuilder.withStoryContext(new SignalServiceDataMessage.StoryContext(authorServiceId,
 948                     targetSentTimestamp));
 949         }
 950         return sendMessage(messageBuilder, recipients, false);
 951     }
 952
 953     @Override
 954     public SendMessageResults sendPaymentNotificationMessage(
 955             byte[] receipt,
 956             String note,
 957             RecipientIdentifier.Single recipient
 958     ) throws IOException {
 959         final var paymentNotification = new SignalServiceDataMessage.PaymentNotification(receipt, note);
 960         final var payment = new SignalServiceDataMessage.Payment(paymentNotification, null);
 961         final var messageBuilder = SignalServiceDataMessage.newBuilder().withPayment(payment);
 962         try {
 963             return sendMessage(messageBuilder, Set.of(recipient), false);
 964         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 965             throw new AssertionError(e);
 966         }
 967     }
 968
 969     @Override
 970     public SendMessageResults sendEndSessionMessage(Set<RecipientIdentifier.Single> recipients) throws IOException {
 971         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
 972
 973         try {
 974             return sendMessage(messageBuilder,
 975                     recipients.stream().map(RecipientIdentifier.class::cast).collect(Collectors.toSet()),
 976                     false);
 977         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 978             throw new AssertionError(e);
 979         } finally {
 980             for (var recipient : recipients) {
 981                 final RecipientId recipientId;
 982                 try {
 983                     recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 984                 } catch (UnregisteredRecipientException e) {
 985                     continue;
 986                 }
 987                 final var serviceId = context.getAccount()
 988                         .getRecipientAddressResolver()
 989                         .resolveRecipientAddress(recipientId)
 990                         .serviceId();
 991                 if (serviceId.isPresent()) {
 992                     account.getAccountData(ServiceIdType.ACI).getSessionStore().deleteAllSessions(serviceId.get());
 993                 }
 994             }
 995         }
 996     }
 997
 998     @Override
 999     public SendMessageResults sendMessageRequestResponse(
1000             final MessageRequestResponse.Type type,
1001             final Set<RecipientIdentifier> recipients
1002     ) {
1003         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
1004         for (final var recipient : recipients) {
1005             if (recipient instanceof RecipientIdentifier.NoteToSelf || (
1006                     recipient instanceof RecipientIdentifier.Single single
1007                             && new RecipientAddress(single.toPartialRecipientAddress()).matches(account.getSelfRecipientAddress())
1008             )) {
1009                 final var result = context.getSyncHelper()
1010                         .sendMessageRequestResponse(type, account.getSelfRecipientId());
1011                 if (result != null) {
1012                     results.put(recipient, List.of(toSendMessageResult(result)));
1013                 }
1014                 results.put(recipient, List.of(toSendMessageResult(result)));
1015             } else if (recipient instanceof RecipientIdentifier.Single single) {
1016                 try {
1017                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
1018                     final var result = context.getSyncHelper().sendMessageRequestResponse(type, recipientId);
1019                     if (result != null) {
1020                         results.put(recipient, List.of(toSendMessageResult(result)));
1021                     }
1022                 } catch (UnregisteredRecipientException e) {
1023                     results.put(recipient,
1024                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
1025                 }
1026             } else if (recipient instanceof RecipientIdentifier.Group group) {
1027                 final var result = context.getSyncHelper().sendMessageRequestResponse(type, group.groupId());
1028                 results.put(recipient, List.of(toSendMessageResult(result)));
1029             }
1030         }
1031         return new SendMessageResults(0, results);
1032     }
1033
1034     @Override
1035     public void hideRecipient(final RecipientIdentifier.Single recipient) {
1036         final var recipientIdOptional = context.getRecipientHelper().resolveRecipientOptional(recipient);
1037         if (recipientIdOptional.isPresent()) {
1038             context.getContactHelper().setContactHidden(recipientIdOptional.get(), true);
1039             account.removeRecipient(recipientIdOptional.get());
1040             syncRemoteStorage();
1041         }
1042     }
1043
1044     @Override
1045     public void deleteRecipient(final RecipientIdentifier.Single recipient) {
1046         final var recipientIdOptional = context.getRecipientHelper().resolveRecipientOptional(recipient);
1047         if (recipientIdOptional.isPresent()) {
1048             account.removeRecipient(recipientIdOptional.get());
1049             syncRemoteStorage();
1050         }
1051     }
1052
1053     @Override
1054     public void deleteContact(final RecipientIdentifier.Single recipient) {
1055         final var recipientIdOptional = context.getRecipientHelper().resolveRecipientOptional(recipient);
1056         if (recipientIdOptional.isPresent()) {
1057             account.getContactStore().deleteContact(recipientIdOptional.get());
1058             syncRemoteStorage();
1059         }
1060     }
1061
1062     @Override
1063     public void setContactName(
1064             final RecipientIdentifier.Single recipient,
1065             final String givenName,
1066             final String familyName,
1067             final String nickGivenName,
1068             final String nickFamilyName,
1069             final String note
1070     ) throws NotPrimaryDeviceException, UnregisteredRecipientException {
1071         if (!account.isPrimaryDevice()) {
1072             throw new NotPrimaryDeviceException();
1073         }
1074         context.getContactHelper()
1075                 .setContactName(context.getRecipientHelper().resolveRecipient(recipient),
1076                         givenName,
1077                         familyName,
1078                         nickGivenName,
1079                         nickFamilyName,
1080                         note);
1081         syncRemoteStorage();
1082     }
1083
1084     @Override
1085     public void setContactsBlocked(
1086             Collection<RecipientIdentifier.Single> recipients,
1087             boolean blocked
1088     ) throws IOException, UnregisteredRecipientException {
1089         if (recipients.isEmpty()) {
1090             return;
1091         }
1092         final var recipientIds = context.getRecipientHelper().resolveRecipients(recipients);
1093         final var selfRecipientId = account.getSelfRecipientId();
1094         boolean shouldRotateProfileKey = false;
1095         for (final var recipientId : recipientIds) {
1096             if (context.getContactHelper().isContactBlocked(recipientId) == blocked) {
1097                 continue;
1098             }
1099             context.getContactHelper().setContactBlocked(recipientId, blocked);
1100             context.getSyncHelper()
1101                     .sendMessageRequestResponse(blocked
1102                             ? MessageRequestResponse.Type.BLOCK
1103                             : MessageRequestResponse.Type.UNBLOCK_AND_ACCEPT, recipientId);
1104             // if we don't have a common group with the blocked contact we need to rotate the profile key
1105             shouldRotateProfileKey = blocked && (
1106                     shouldRotateProfileKey || account.getGroupStore()
1107                             .getGroups()
1108                             .stream()
1109                             .noneMatch(g -> g.isMember(selfRecipientId) && g.isMember(recipientId))
1110             );
1111         }
1112         if (shouldRotateProfileKey) {
1113             context.getProfileHelper().rotateProfileKey();
1114         }
1115         context.getSyncHelper().sendBlockedList();
1116         syncRemoteStorage();
1117     }
1118
1119     @Override
1120     public void setGroupsBlocked(
1121             final Collection<GroupId> groupIds,
1122             final boolean blocked
1123     ) throws GroupNotFoundException, IOException {
1124         if (groupIds.isEmpty()) {
1125             return;
1126         }
1127         boolean shouldRotateProfileKey = false;
1128         for (final var groupId : groupIds) {
1129             if (context.getGroupHelper().isGroupBlocked(groupId) == blocked) {
1130                 continue;
1131             }
1132             context.getGroupHelper().setGroupBlocked(groupId, blocked);
1133             context.getSyncHelper()
1134                     .sendMessageRequestResponse(blocked
1135                             ? MessageRequestResponse.Type.BLOCK
1136                             : MessageRequestResponse.Type.UNBLOCK_AND_ACCEPT, groupId);
1137             shouldRotateProfileKey = blocked;
1138         }
1139         if (shouldRotateProfileKey) {
1140             context.getProfileHelper().rotateProfileKey();
1141         }
1142         context.getSyncHelper().sendBlockedList();
1143         syncRemoteStorage();
1144     }
1145
1146     @Override
1147     public void setExpirationTimer(
1148             RecipientIdentifier.Single recipient,
1149             int messageExpirationTimer
1150     ) throws IOException, UnregisteredRecipientException {
1151         var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1152         context.getContactHelper().setExpirationTimer(recipientId, messageExpirationTimer);
1153         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
1154         try {
1155             sendMessage(messageBuilder, Set.of(recipient), false);
1156         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
1157             throw new AssertionError(e);
1158         }
1159         syncRemoteStorage();
1160     }
1161
1162     @Override
1163     public StickerPackUrl uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
1164         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
1165
1166         var messageSender = dependencies.getMessageSender();
1167
1168         var packKey = KeyUtils.createStickerUploadKey();
1169         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
1170         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
1171
1172         var sticker = new StickerPack(packId, packKey);
1173         account.getStickerStore().addStickerPack(sticker);
1174         context.getSyncHelper().sendStickerOperationsMessage(List.of(sticker), List.of());
1175
1176         return new StickerPackUrl(packId, packKey);
1177     }
1178
1179     @Override
1180     public void installStickerPack(StickerPackUrl url) throws IOException {
1181         final var packId = url.packId();
1182         final var packKey = url.packKey();
1183         try {
1184             context.getStickerHelper().retrieveStickerPack(packId, packKey);
1185         } catch (InvalidMessageException e) {
1186             throw new IOException(e);
1187         }
1188
1189         final var sticker = context.getStickerHelper().addOrUpdateStickerPack(packId, packKey, true);
1190         context.getSyncHelper().sendStickerOperationsMessage(List.of(sticker), List.of());
1191     }
1192
1193     @Override
1194     public List<org.asamk.signal.manager.api.StickerPack> getStickerPacks() {
1195         final var stickerPackStore = context.getStickerPackStore();
1196         return account.getStickerStore().getStickerPacks().stream().map(pack -> {
1197             if (stickerPackStore.existsStickerPack(pack.packId())) {
1198                 try {
1199                     final var manifest = stickerPackStore.retrieveManifest(pack.packId());
1200                     return new org.asamk.signal.manager.api.StickerPack(pack.packId(),
1201                             new StickerPackUrl(pack.packId(), pack.packKey()),
1202                             pack.isInstalled(),
1203                             manifest.title(),
1204                             manifest.author(),
1205                             Optional.ofNullable(manifest.cover() == null ? null : manifest.cover().toApi()),
1206                             manifest.stickers().stream().map(JsonStickerPack.JsonSticker::toApi).toList());
1207                 } catch (Exception e) {
1208                     logger.warn("Failed to read local sticker pack manifest: {}", e.getMessage(), e);
1209                 }
1210             }
1211
1212             return new org.asamk.signal.manager.api.StickerPack(pack.packId(), pack.packKey(), pack.isInstalled());
1213         }).toList();
1214     }
1215
1216     @Override
1217     public void requestAllSyncData() {
1218         context.getSyncHelper().requestAllSyncData();
1219         syncRemoteStorage();
1220     }
1221
1222     void syncRemoteStorage() {
1223         context.getJobExecutor().enqueueJob(new SyncStorageJob());
1224     }
1225
1226     @Override
1227     public void addReceiveHandler(final ReceiveMessageHandler handler, final boolean isWeakListener) {
1228         synchronized (messageHandlers) {
1229             if (isWeakListener) {
1230                 weakHandlers.add(handler);
1231             } else {
1232                 messageHandlers.add(handler);
1233                 startReceiveThreadIfRequired();
1234             }
1235         }
1236     }
1237
1238     private static final AtomicInteger threadNumber = new AtomicInteger(0);
1239
1240     private void startReceiveThreadIfRequired() {
1241         if (receiveThread != null || isReceivingSynchronous) {
1242             return;
1243         }
1244         receiveThread = Thread.ofPlatform().name("receive-" + threadNumber.getAndIncrement()).start(() -> {
1245             logger.debug("Starting receiving messages");
1246             context.getReceiveHelper().receiveMessagesContinuously(this::passReceivedMessageToHandlers);
1247             logger.debug("Finished receiving messages");
1248             synchronized (messageHandlers) {
1249                 receiveThread = null;
1250
1251                 // Check if in the meantime another handler has been registered
1252                 if (!messageHandlers.isEmpty()) {
1253                     logger.debug("Another handler has been registered, starting receive thread again");
1254                     startReceiveThreadIfRequired();
1255                 }
1256             }
1257         });
1258     }
1259
1260     private void passReceivedMessageToHandlers(MessageEnvelope envelope, Throwable e) {
1261         synchronized (messageHandlers) {
1262             Stream.concat(messageHandlers.stream(), weakHandlers.stream()).forEach(h -> {
1263                 try {
1264                     h.handleMessage(envelope, e);
1265                 } catch (Throwable ex) {
1266                     logger.warn("Message handler failed, ignoring", ex);
1267                 }
1268             });
1269         }
1270     }
1271
1272     @Override
1273     public void removeReceiveHandler(final ReceiveMessageHandler handler) {
1274         final Thread thread;
1275         synchronized (messageHandlers) {
1276             weakHandlers.remove(handler);
1277             messageHandlers.remove(handler);
1278             if (!messageHandlers.isEmpty() || receiveThread == null || isReceivingSynchronous) {
1279                 return;
1280             }
1281             thread = receiveThread;
1282             receiveThread = null;
1283         }
1284
1285         stopReceiveThread(thread);
1286     }
1287
1288     private void stopReceiveThread(final Thread thread) {
1289         if (context.getReceiveHelper().requestStopReceiveMessages()) {
1290             logger.debug("Receive stop requested, interrupting read from server.");
1291             thread.interrupt();
1292         }
1293         try {
1294             thread.join();
1295         } catch (InterruptedException ignored) {
1296         }
1297     }
1298
1299     @Override
1300     public boolean isReceiving() {
1301         if (isReceivingSynchronous) {
1302             return true;
1303         }
1304         synchronized (messageHandlers) {
1305             return !messageHandlers.isEmpty();
1306         }
1307     }
1308
1309     @Override
1310     public void receiveMessages(
1311             Optional<Duration> timeout,
1312             Optional<Integer> maxMessages,
1313             ReceiveMessageHandler handler
1314     ) throws IOException, AlreadyReceivingException {
1315         receiveMessages(timeout.orElse(Duration.ofMinutes(1)), timeout.isPresent(), maxMessages.orElse(null), handler);
1316     }
1317
1318     @Override
1319     public void stopReceiveMessages() {
1320         Thread thread = null;
1321         synchronized (messageHandlers) {
1322             if (isReceivingSynchronous) {
1323                 thread = receiveThread;
1324                 receiveThread = null;
1325             }
1326         }
1327         if (thread != null) {
1328             stopReceiveThread(thread);
1329         }
1330     }
1331
1332     private void receiveMessages(
1333             Duration timeout,
1334             boolean returnOnTimeout,
1335             Integer maxMessages,
1336             ReceiveMessageHandler handler
1337     ) throws IOException, AlreadyReceivingException {
1338         synchronized (messageHandlers) {
1339             if (isReceiving()) {
1340                 throw new AlreadyReceivingException("Already receiving message.");
1341             }
1342             isReceivingSynchronous = true;
1343             receiveThread = Thread.currentThread();
1344         }
1345         try {
1346             context.getReceiveHelper().receiveMessages(timeout, returnOnTimeout, maxMessages, (envelope, e) -> {
1347                 passReceivedMessageToHandlers(envelope, e);
1348                 handler.handleMessage(envelope, e);
1349             });
1350         } finally {
1351             synchronized (messageHandlers) {
1352                 receiveThread = null;
1353                 isReceivingSynchronous = false;
1354                 if (!messageHandlers.isEmpty()) {
1355                     startReceiveThreadIfRequired();
1356                 }
1357             }
1358         }
1359     }
1360
1361     @Override
1362     public void setReceiveConfig(final ReceiveConfig receiveConfig) {
1363         context.getReceiveHelper().setReceiveConfig(receiveConfig);
1364     }
1365
1366     @Override
1367     public boolean isContactBlocked(final RecipientIdentifier.Single recipient) {
1368         final RecipientId recipientId;
1369         try {
1370             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1371         } catch (UnregisteredRecipientException e) {
1372             return false;
1373         }
1374         return context.getContactHelper().isContactBlocked(recipientId);
1375     }
1376
1377     @Override
1378     public void sendContacts() throws IOException {
1379         context.getSyncHelper().sendContacts();
1380     }
1381
1382     @Override
1383     public List<Recipient> getRecipients(
1384             boolean onlyContacts,
1385             Optional<Boolean> blocked,
1386             Collection<RecipientIdentifier.Single> recipients,
1387             Optional<String> name
1388     ) {
1389         final var recipientIds = recipients.stream().map(a -> {
1390             try {
1391                 return context.getRecipientHelper().resolveRecipient(a);
1392             } catch (UnregisteredRecipientException e) {
1393                 return null;
1394             }
1395         }).filter(Objects::nonNull).collect(Collectors.toSet());
1396         if (!recipients.isEmpty() && recipientIds.isEmpty()) {
1397             return List.of();
1398         }
1399         // refresh profiles of explicitly given recipients
1400         context.getProfileHelper().refreshRecipientProfiles(recipientIds);
1401         return account.getRecipientStore()
1402                 .getRecipients(onlyContacts, blocked, recipientIds, name)
1403                 .stream()
1404                 .map(s -> new Recipient(s.getRecipientId(),
1405                         s.getAddress().toApiRecipientAddress(),
1406                         s.getContact(),
1407                         s.getProfileKey(),
1408                         s.getExpiringProfileKeyCredential(),
1409                         s.getProfile(),
1410                         s.getDiscoverable()))
1411                 .toList();
1412     }
1413
1414     @Override
1415     public String getContactOrProfileName(RecipientIdentifier.Single recipient) {
1416         final RecipientId recipientId;
1417         try {
1418             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1419         } catch (UnregisteredRecipientException e) {
1420             return null;
1421         }
1422
1423         final var contact = account.getContactStore().getContact(recipientId);
1424         if (contact != null && !Util.isEmpty(contact.getName())) {
1425             return contact.getName();
1426         }
1427
1428         final var profile = context.getProfileHelper().getRecipientProfile(recipientId);
1429         if (profile != null) {
1430             return profile.getDisplayName();
1431         }
1432
1433         return null;
1434     }
1435
1436     @Override
1437     public Group getGroup(GroupId groupId) {
1438         return toGroup(context.getGroupHelper().getGroup(groupId));
1439     }
1440
1441     @Override
1442     public List<Identity> getIdentities() {
1443         return account.getIdentityKeyStore()
1444                 .getIdentities()
1445                 .stream()
1446                 .map(this::toIdentity)
1447                 .filter(Objects::nonNull)
1448                 .toList();
1449     }
1450
1451     private Identity toIdentity(final IdentityInfo identityInfo) {
1452         if (identityInfo == null) {
1453             return null;
1454         }
1455
1456         final var address = account.getRecipientAddressResolver()
1457                 .resolveRecipientAddress(account.getRecipientResolver().resolveRecipient(identityInfo.getServiceId()));
1458         if (address.serviceId().isPresent() && !Objects.equals(address.serviceId().get(),
1459                 identityInfo.getServiceId())) {
1460             return null;
1461         }
1462         final var scannableFingerprint = context.getIdentityHelper()
1463                 .computeSafetyNumberForScanning(identityInfo.getServiceId(), identityInfo.getIdentityKey());
1464         return new Identity(address.toApiRecipientAddress(),
1465                 identityInfo.getIdentityKey().getPublicKey().serialize(),
1466                 context.getIdentityHelper()
1467                         .computeSafetyNumber(identityInfo.getServiceId(), identityInfo.getIdentityKey()),
1468                 scannableFingerprint == null ? null : scannableFingerprint.getSerialized(),
1469                 identityInfo.getTrustLevel(),
1470                 identityInfo.getDateAddedTimestamp());
1471     }
1472
1473     @Override
1474     public List<Identity> getIdentities(RecipientIdentifier.Single recipient) {
1475         ServiceId serviceId;
1476         try {
1477             final var address = account.getRecipientAddressResolver()
1478                     .resolveRecipientAddress(context.getRecipientHelper().resolveRecipient(recipient));
1479             if (address.serviceId().isEmpty()) {
1480                 return List.of();
1481             }
1482             serviceId = address.serviceId().get();
1483         } catch (UnregisteredRecipientException e) {
1484             return List.of();
1485         }
1486         final var identity = account.getIdentityKeyStore().getIdentityInfo(serviceId);
1487         return identity == null ? List.of() : List.of(toIdentity(identity));
1488     }
1489
1490     @Override
1491     public boolean trustIdentityVerified(
1492             RecipientIdentifier.Single recipient,
1493             IdentityVerificationCode verificationCode
1494     ) throws UnregisteredRecipientException {
1495         return switch (verificationCode) {
1496             case IdentityVerificationCode.Fingerprint fingerprint -> trustIdentity(recipient,
1497                     r -> context.getIdentityHelper().trustIdentityVerified(r, fingerprint.fingerprint()));
1498             case IdentityVerificationCode.SafetyNumber safetyNumber -> trustIdentity(recipient,
1499                     r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber.safetyNumber()));
1500             case IdentityVerificationCode.ScannableSafetyNumber safetyNumber -> trustIdentity(recipient,
1501                     r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber.safetyNumber()));
1502             case null -> throw new AssertionError("Invalid verification code type");
1503         };
1504     }
1505
1506     @Override
1507     public boolean trustIdentityAllKeys(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
1508         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityAllKeys(r));
1509     }
1510
1511     private boolean trustIdentity(
1512             RecipientIdentifier.Single recipient,
1513             Function<RecipientId, Boolean> trustMethod
1514     ) throws UnregisteredRecipientException {
1515         final var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1516         final var updated = trustMethod.apply(recipientId);
1517         if (updated && this.isReceiving()) {
1518             account.setNeedsToRetryFailedMessages(true);
1519         }
1520         return updated;
1521     }
1522
1523     @Override
1524     public void addAddressChangedListener(final Runnable listener) {
1525         synchronized (addressChangedListeners) {
1526             addressChangedListeners.add(listener);
1527         }
1528     }
1529
1530     @Override
1531     public void addClosedListener(final Runnable listener) {
1532         synchronized (closedListeners) {
1533             closedListeners.add(listener);
1534         }
1535     }
1536
1537     @Override
1538     public InputStream retrieveAttachment(final String id) throws IOException {
1539         return context.getAttachmentHelper().retrieveAttachment(id).getStream();
1540     }
1541
1542     @Override
1543     public InputStream retrieveContactAvatar(final RecipientIdentifier.Single recipient) throws IOException, UnregisteredRecipientException {
1544         final var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1545         final var address = account.getRecipientStore().resolveRecipientAddress(recipientId);
1546         final var streamDetails = context.getAvatarStore().retrieveContactAvatar(address);
1547         if (streamDetails == null) {
1548             throw new FileNotFoundException();
1549         }
1550         return streamDetails.getStream();
1551     }
1552
1553     @Override
1554     public InputStream retrieveProfileAvatar(final RecipientIdentifier.Single recipient) throws IOException, UnregisteredRecipientException {
1555         final var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1556         context.getProfileHelper().getRecipientProfile(recipientId);
1557         final var address = account.getRecipientStore().resolveRecipientAddress(recipientId);
1558         final var streamDetails = context.getAvatarStore().retrieveProfileAvatar(address);
1559         if (streamDetails == null) {
1560             throw new FileNotFoundException();
1561         }
1562         return streamDetails.getStream();
1563     }
1564
1565     @Override
1566     public InputStream retrieveGroupAvatar(final GroupId groupId) throws IOException {
1567         final var streamDetails = context.getAvatarStore().retrieveGroupAvatar(groupId);
1568         context.getGroupHelper().getGroup(groupId);
1569         if (streamDetails == null) {
1570             throw new FileNotFoundException();
1571         }
1572         return streamDetails.getStream();
1573     }
1574
1575     @Override
1576     public InputStream retrieveSticker(final StickerPackId stickerPackId, final int stickerId) throws IOException {
1577         var streamDetails = context.getStickerPackStore().retrieveSticker(stickerPackId, stickerId);
1578         if (streamDetails == null) {
1579             final var pack = account.getStickerStore().getStickerPack(stickerPackId);
1580             if (pack != null) {
1581                 try {
1582                     context.getStickerHelper().retrieveStickerPack(stickerPackId, pack.packKey());
1583                 } catch (InvalidMessageException e) {
1584                     logger.warn("Failed to download sticker pack");
1585                 }
1586             }
1587         }
1588         if (streamDetails == null) {
1589             throw new FileNotFoundException();
1590         }
1591         return streamDetails.getStream();
1592     }
1593
1594     @Override
1595     public void close() {
1596         Thread thread;
1597         synchronized (messageHandlers) {
1598             weakHandlers.clear();
1599             messageHandlers.clear();
1600             thread = receiveThread;
1601             receiveThread = null;
1602         }
1603         if (thread != null) {
1604             stopReceiveThread(thread);
1605         }
1606         context.close();
1607         executor.close();
1608
1609         dependencies.getAuthenticatedSignalWebSocket().disconnect();
1610         dependencies.getUnauthenticatedSignalWebSocket().disconnect();
1611         dependencies.getPushServiceSocket().close();
1612         disposable.dispose();
1613
1614         if (account != null) {
1615             account.close();
1616         }
1617
1618         synchronized (closedListeners) {
1619             closedListeners.forEach(Runnable::run);
1620             closedListeners.clear();
1621         }
1622
1623         account = null;
1624     }
1625 }