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

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