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.Configuration;
  23 import org.asamk.signal.manager.api.Device;
  24 import org.asamk.signal.manager.api.DeviceLinkUrl;
  25 import org.asamk.signal.manager.api.Group;
  26 import org.asamk.signal.manager.api.GroupId;
  27 import org.asamk.signal.manager.api.GroupInviteLinkUrl;
  28 import org.asamk.signal.manager.api.GroupNotFoundException;
  29 import org.asamk.signal.manager.api.GroupSendingNotAllowedException;
  30 import org.asamk.signal.manager.api.Identity;
  31 import org.asamk.signal.manager.api.IdentityVerificationCode;
  32 import org.asamk.signal.manager.api.InactiveGroupLinkException;
  33 import org.asamk.signal.manager.api.InvalidDeviceLinkException;
  34 import org.asamk.signal.manager.api.InvalidStickerException;
  35 import org.asamk.signal.manager.api.InvalidUsernameException;
  36 import org.asamk.signal.manager.api.LastGroupAdminException;
  37 import org.asamk.signal.manager.api.Message;
  38 import org.asamk.signal.manager.api.MessageEnvelope;
  39 import org.asamk.signal.manager.api.NotAGroupMemberException;
  40 import org.asamk.signal.manager.api.NotPrimaryDeviceException;
  41 import org.asamk.signal.manager.api.Pair;
  42 import org.asamk.signal.manager.api.PendingAdminApprovalException;
  43 import org.asamk.signal.manager.api.Profile;
  44 import org.asamk.signal.manager.api.ReceiveConfig;
  45 import org.asamk.signal.manager.api.Recipient;
  46 import org.asamk.signal.manager.api.RecipientIdentifier;
  47 import org.asamk.signal.manager.api.SendGroupMessageResults;
  48 import org.asamk.signal.manager.api.SendMessageResult;
  49 import org.asamk.signal.manager.api.SendMessageResults;
  50 import org.asamk.signal.manager.api.StickerPackId;
  51 import org.asamk.signal.manager.api.StickerPackInvalidException;
  52 import org.asamk.signal.manager.api.StickerPackUrl;
  53 import org.asamk.signal.manager.api.TextStyle;
  54 import org.asamk.signal.manager.api.TypingAction;
  55 import org.asamk.signal.manager.api.UnregisteredRecipientException;
  56 import org.asamk.signal.manager.api.UpdateGroup;
  57 import org.asamk.signal.manager.api.UpdateProfile;
  58 import org.asamk.signal.manager.api.UserStatus;
  59 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  60 import org.asamk.signal.manager.helper.AccountFileUpdater;
  61 import org.asamk.signal.manager.helper.Context;
  62 import org.asamk.signal.manager.storage.AttachmentStore;
  63 import org.asamk.signal.manager.storage.AvatarStore;
  64 import org.asamk.signal.manager.storage.SignalAccount;
  65 import org.asamk.signal.manager.storage.groups.GroupInfo;
  66 import org.asamk.signal.manager.storage.identities.IdentityInfo;
  67 import org.asamk.signal.manager.storage.recipients.RecipientId;
  68 import org.asamk.signal.manager.storage.stickerPacks.JsonStickerPack;
  69 import org.asamk.signal.manager.storage.stickerPacks.StickerPackStore;
  70 import org.asamk.signal.manager.storage.stickers.StickerPack;
  71 import org.asamk.signal.manager.util.AttachmentUtils;
  72 import org.asamk.signal.manager.util.KeyUtils;
  73 import org.asamk.signal.manager.util.MimeUtils;
  74 import org.asamk.signal.manager.util.StickerUtils;
  75 import org.signal.libsignal.protocol.InvalidMessageException;
  76 import org.signal.libsignal.usernames.BaseUsernameException;
  77 import org.slf4j.Logger;
  78 import org.slf4j.LoggerFactory;
  79 import org.whispersystems.signalservice.api.SignalSessionLock;
  80 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
  81 import org.whispersystems.signalservice.api.messages.SignalServicePreview;
  82 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
  83 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
  84 import org.whispersystems.signalservice.api.push.ServiceId;
  85 import org.whispersystems.signalservice.api.push.ServiceId.ACI;
  86 import org.whispersystems.signalservice.api.push.ServiceIdType;
  87 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  88 import org.whispersystems.signalservice.api.util.InvalidNumberException;
  89 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  90 import org.whispersystems.signalservice.api.util.StreamDetails;
  91 import org.whispersystems.signalservice.internal.util.Hex;
  92 import org.whispersystems.signalservice.internal.util.Util;
  93
  94 import java.io.ByteArrayInputStream;
  95 import java.io.File;
  96 import java.io.IOException;
  97 import java.io.InputStream;
  98 import java.nio.charset.StandardCharsets;
  99 import java.time.Duration;
 100 import java.util.ArrayList;
 101 import java.util.Collection;
 102 import java.util.HashMap;
 103 import java.util.HashSet;
 104 import java.util.List;
 105 import java.util.Map;
 106 import java.util.Objects;
 107 import java.util.Optional;
 108 import java.util.Set;
 109 import java.util.concurrent.ExecutorService;
 110 import java.util.concurrent.Executors;
 111 import java.util.concurrent.atomic.AtomicInteger;
 112 import java.util.concurrent.locks.ReentrantLock;
 113 import java.util.function.Function;
 114 import java.util.stream.Collectors;
 115 import java.util.stream.Stream;
 116
 117 import io.reactivex.rxjava3.disposables.CompositeDisposable;
 118
 119 public class ManagerImpl implements Manager {
 120
 121     private final static Logger logger = LoggerFactory.getLogger(ManagerImpl.class);
 122
 123     private SignalAccount account;
 124     private final SignalDependencies dependencies;
 125     private final Context context;
 126
 127     private final ExecutorService executor = Executors.newCachedThreadPool();
 128
 129     private Thread receiveThread;
 130     private boolean isReceivingSynchronous;
 131     private final Set<ReceiveMessageHandler> weakHandlers = new HashSet<>();
 132     private final Set<ReceiveMessageHandler> messageHandlers = new HashSet<>();
 133     private final List<Runnable> closedListeners = new ArrayList<>();
 134     private final List<Runnable> addressChangedListeners = new ArrayList<>();
 135     private final CompositeDisposable disposable = new CompositeDisposable();
 136
 137     public ManagerImpl(
 138             SignalAccount account,
 139             PathConfig pathConfig,
 140             AccountFileUpdater accountFileUpdater,
 141             ServiceEnvironmentConfig serviceEnvironmentConfig,
 142             String userAgent
 143     ) {
 144         this.account = account;
 145
 146         final var sessionLock = new SignalSessionLock() {
 147             private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 148
 149             @Override
 150             public Lock acquire() {
 151                 LEGACY_LOCK.lock();
 152                 return LEGACY_LOCK::unlock;
 153             }
 154         };
 155         this.dependencies = new SignalDependencies(serviceEnvironmentConfig,
 156                 userAgent,
 157                 account.getCredentialsProvider(),
 158                 account.getSignalServiceDataStore(),
 159                 executor,
 160                 sessionLock);
 161         final var avatarStore = new AvatarStore(pathConfig.avatarsPath());
 162         final var attachmentStore = new AttachmentStore(pathConfig.attachmentsPath());
 163         final var stickerPackStore = new StickerPackStore(pathConfig.stickerPacksPath());
 164
 165         this.context = new Context(account, new AccountFileUpdater() {
 166             @Override
 167             public void updateAccountIdentifiers(final String number, final ACI aci) {
 168                 accountFileUpdater.updateAccountIdentifiers(number, aci);
 169                 synchronized (addressChangedListeners) {
 170                     addressChangedListeners.forEach(Runnable::run);
 171                 }
 172             }
 173
 174             @Override
 175             public void removeAccount() {
 176                 accountFileUpdater.removeAccount();
 177             }
 178         }, dependencies, avatarStore, attachmentStore, stickerPackStore);
 179         this.context.getAccountHelper().setUnregisteredListener(this::close);
 180         this.context.getReceiveHelper().setAuthenticationFailureListener(this::close);
 181         this.context.getReceiveHelper().setCaughtUpWithOldMessagesListener(() -> {
 182             synchronized (this) {
 183                 this.notifyAll();
 184             }
 185         });
 186         disposable.add(account.getIdentityKeyStore().getIdentityChanges().subscribe(serviceId -> {
 187             logger.trace("Archiving old sessions for {}", serviceId);
 188             account.getAccountData(ServiceIdType.ACI).getSessionStore().archiveSessions(serviceId);
 189             account.getAccountData(ServiceIdType.PNI).getSessionStore().archiveSessions(serviceId);
 190             account.getSenderKeyStore().deleteSharedWith(serviceId);
 191             final var recipientId = account.getRecipientResolver().resolveRecipient(serviceId);
 192             final var profile = account.getProfileStore().getProfile(recipientId);
 193             if (profile != null) {
 194                 account.getProfileStore()
 195                         .storeProfile(recipientId,
 196                                 Profile.newBuilder(profile)
 197                                         .withUnidentifiedAccessMode(Profile.UnidentifiedAccessMode.UNKNOWN)
 198                                         .withLastUpdateTimestamp(0)
 199                                         .build());
 200             }
 201         }));
 202     }
 203
 204     @Override
 205     public String getSelfNumber() {
 206         return account.getNumber();
 207     }
 208
 209     public void checkAccountState() throws IOException {
 210         context.getAccountHelper().checkAccountState();
 211     }
 212
 213     @Override
 214     public Map<String, UserStatus> getUserStatus(Set<String> numbers) throws IOException {
 215         final var canonicalizedNumbers = numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 216             try {
 217                 final var canonicalizedNumber = PhoneNumberFormatter.formatNumber(n, account.getNumber());
 218                 if (!canonicalizedNumber.equals(n)) {
 219                     logger.debug("Normalized number {} to {}.", n, canonicalizedNumber);
 220                 }
 221                 return canonicalizedNumber;
 222             } catch (InvalidNumberException e) {
 223                 return "";
 224             }
 225         }));
 226
 227         // Note "registeredUsers" has no optionals. It only gives us info on users who are registered
 228         final var canonicalizedNumbersSet = canonicalizedNumbers.values()
 229                 .stream()
 230                 .filter(s -> !s.isEmpty())
 231                 .collect(Collectors.toSet());
 232         final var registeredUsers = context.getRecipientHelper().getRegisteredUsers(canonicalizedNumbersSet);
 233
 234         return numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 235             final var number = canonicalizedNumbers.get(n);
 236             final var user = registeredUsers.get(number);
 237             final var serviceId = user == null ? null : user.getServiceId();
 238             final var profile = serviceId == null
 239                     ? null
 240                     : context.getProfileHelper()
 241                             .getRecipientProfile(account.getRecipientResolver().resolveRecipient(serviceId));
 242             return new UserStatus(number.isEmpty() ? null : number,
 243                     serviceId == null ? null : serviceId.getRawUuid(),
 244                     profile != null
 245                             && profile.getUnidentifiedAccessMode() == Profile.UnidentifiedAccessMode.UNRESTRICTED);
 246         }));
 247     }
 248
 249     @Override
 250     public void updateAccountAttributes(String deviceName) throws IOException {
 251         if (deviceName != null) {
 252             context.getAccountHelper().setDeviceName(deviceName);
 253         }
 254         context.getAccountHelper().updateAccountAttributes();
 255         context.getAccountHelper().checkWhoAmiI();
 256     }
 257
 258     @Override
 259     public Configuration getConfiguration() {
 260         final var configurationStore = account.getConfigurationStore();
 261         return Configuration.from(configurationStore);
 262     }
 263
 264     @Override
 265     public void updateConfiguration(
 266             Configuration configuration
 267     ) throws NotPrimaryDeviceException {
 268         if (!account.isPrimaryDevice()) {
 269             throw new NotPrimaryDeviceException();
 270         }
 271
 272         final var configurationStore = account.getConfigurationStore();
 273         if (configuration.readReceipts().isPresent()) {
 274             configurationStore.setReadReceipts(configuration.readReceipts().get());
 275         }
 276         if (configuration.unidentifiedDeliveryIndicators().isPresent()) {
 277             configurationStore.setUnidentifiedDeliveryIndicators(configuration.unidentifiedDeliveryIndicators().get());
 278         }
 279         if (configuration.typingIndicators().isPresent()) {
 280             configurationStore.setTypingIndicators(configuration.typingIndicators().get());
 281         }
 282         if (configuration.linkPreviews().isPresent()) {
 283             configurationStore.setLinkPreviews(configuration.linkPreviews().get());
 284         }
 285         context.getSyncHelper().sendConfigurationMessage();
 286     }
 287
 288     @Override
 289     public void updateProfile(UpdateProfile updateProfile) throws IOException {
 290         context.getProfileHelper()
 291                 .setProfile(updateProfile.getGivenName(),
 292                         updateProfile.getFamilyName(),
 293                         updateProfile.getAbout(),
 294                         updateProfile.getAboutEmoji(),
 295                         updateProfile.isDeleteAvatar()
 296                                 ? Optional.empty()
 297                                 : updateProfile.getAvatar() == null ? null : Optional.of(updateProfile.getAvatar()),
 298                         updateProfile.getMobileCoinAddress());
 299         context.getSyncHelper().sendSyncFetchProfileMessage();
 300     }
 301
 302     void refreshCurrentUsername() throws IOException, BaseUsernameException {
 303         context.getAccountHelper().refreshCurrentUsername();
 304     }
 305
 306     @Override
 307     public String setUsername(final String username) throws IOException, InvalidUsernameException {
 308         try {
 309             return context.getAccountHelper().reserveUsername(username);
 310         } catch (BaseUsernameException e) {
 311             throw new InvalidUsernameException(e.getMessage() + " (" + e.getClass().getSimpleName() + ")", e);
 312         }
 313     }
 314
 315     @Override
 316     public void deleteUsername() throws IOException {
 317         context.getAccountHelper().deleteUsername();
 318     }
 319
 320     @Override
 321     public void unregister() throws IOException {
 322         context.getAccountHelper().unregister();
 323     }
 324
 325     @Override
 326     public void deleteAccount() throws IOException {
 327         context.getAccountHelper().deleteAccount();
 328     }
 329
 330     @Override
 331     public void submitRateLimitRecaptchaChallenge(String challenge, String captcha) throws IOException {
 332         captcha = captcha == null ? null : captcha.replace("signalcaptcha://", "");
 333
 334         dependencies.getAccountManager().submitRateLimitRecaptchaChallenge(challenge, captcha);
 335     }
 336
 337     @Override
 338     public List<Device> getLinkedDevices() throws IOException {
 339         var devices = dependencies.getAccountManager().getDevices();
 340         account.setMultiDevice(devices.size() > 1);
 341         var identityKey = account.getAciIdentityKeyPair().getPrivateKey();
 342         return devices.stream().map(d -> {
 343             String deviceName = d.getName();
 344             if (deviceName != null) {
 345                 try {
 346                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 347                 } catch (IOException e) {
 348                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 349                 }
 350             }
 351             return new Device(d.getId(),
 352                     deviceName,
 353                     d.getCreated(),
 354                     d.getLastSeen(),
 355                     d.getId() == account.getDeviceId());
 356         }).toList();
 357     }
 358
 359     @Override
 360     public void removeLinkedDevices(int deviceId) throws IOException {
 361         context.getAccountHelper().removeLinkedDevices(deviceId);
 362     }
 363
 364     @Override
 365     public void addDeviceLink(DeviceLinkUrl linkUrl) throws IOException, InvalidDeviceLinkException {
 366         context.getAccountHelper().addDevice(linkUrl);
 367     }
 368
 369     @Override
 370     public void setRegistrationLockPin(Optional<String> pin) throws IOException, NotPrimaryDeviceException {
 371         if (!account.isPrimaryDevice()) {
 372             throw new NotPrimaryDeviceException();
 373         }
 374         if (pin.isPresent()) {
 375             context.getAccountHelper().setRegistrationPin(pin.get());
 376         } else {
 377             context.getAccountHelper().removeRegistrationPin();
 378         }
 379     }
 380
 381     void refreshPreKeys() throws IOException {
 382         context.getPreKeyHelper().refreshPreKeysIfNecessary();
 383     }
 384
 385     @Override
 386     public List<Group> getGroups() {
 387         return account.getGroupStore().getGroups().stream().map(this::toGroup).toList();
 388     }
 389
 390     private Group toGroup(final GroupInfo groupInfo) {
 391         if (groupInfo == null) {
 392             return null;
 393         }
 394
 395         return Group.from(groupInfo, account.getRecipientAddressResolver(), account.getSelfRecipientId());
 396     }
 397
 398     @Override
 399     public SendGroupMessageResults quitGroup(
 400             GroupId groupId, Set<RecipientIdentifier.Single> groupAdmins
 401     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, LastGroupAdminException, UnregisteredRecipientException {
 402         final var newAdmins = context.getRecipientHelper().resolveRecipients(groupAdmins);
 403         return context.getGroupHelper().quitGroup(groupId, newAdmins);
 404     }
 405
 406     @Override
 407     public void deleteGroup(GroupId groupId) throws IOException {
 408         final var group = context.getGroupHelper().getGroup(groupId);
 409         if (group.isMember(account.getSelfRecipientId())) {
 410             throw new IOException(
 411                     "The local group information cannot be removed, as the user is still a member of the group");
 412         }
 413         context.getGroupHelper().deleteGroup(groupId);
 414     }
 415
 416     @Override
 417     public Pair<GroupId, SendGroupMessageResults> createGroup(
 418             String name, Set<RecipientIdentifier.Single> members, String avatarFile
 419     ) throws IOException, AttachmentInvalidException, UnregisteredRecipientException {
 420         return context.getGroupHelper()
 421                 .createGroup(name,
 422                         members == null ? null : context.getRecipientHelper().resolveRecipients(members),
 423                         avatarFile);
 424     }
 425
 426     @Override
 427     public SendGroupMessageResults updateGroup(
 428             final GroupId groupId, final UpdateGroup updateGroup
 429     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 430         return context.getGroupHelper()
 431                 .updateGroup(groupId,
 432                         updateGroup.getName(),
 433                         updateGroup.getDescription(),
 434                         updateGroup.getMembers() == null
 435                                 ? null
 436                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getMembers()),
 437                         updateGroup.getRemoveMembers() == null
 438                                 ? null
 439                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveMembers()),
 440                         updateGroup.getAdmins() == null
 441                                 ? null
 442                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getAdmins()),
 443                         updateGroup.getRemoveAdmins() == null
 444                                 ? null
 445                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveAdmins()),
 446                         updateGroup.getBanMembers() == null
 447                                 ? null
 448                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getBanMembers()),
 449                         updateGroup.getUnbanMembers() == null
 450                                 ? null
 451                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getUnbanMembers()),
 452                         updateGroup.isResetGroupLink(),
 453                         updateGroup.getGroupLinkState(),
 454                         updateGroup.getAddMemberPermission(),
 455                         updateGroup.getEditDetailsPermission(),
 456                         updateGroup.getAvatarFile(),
 457                         updateGroup.getExpirationTimer(),
 458                         updateGroup.getIsAnnouncementGroup());
 459     }
 460
 461     @Override
 462     public Pair<GroupId, SendGroupMessageResults> joinGroup(
 463             GroupInviteLinkUrl inviteLinkUrl
 464     ) throws IOException, InactiveGroupLinkException, PendingAdminApprovalException {
 465         return context.getGroupHelper().joinGroup(inviteLinkUrl);
 466     }
 467
 468     private SendMessageResults sendMessage(
 469             SignalServiceDataMessage.Builder messageBuilder, Set<RecipientIdentifier> recipients
 470     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 471         return sendMessage(messageBuilder, recipients, Optional.empty());
 472     }
 473
 474     private SendMessageResults sendMessage(
 475             SignalServiceDataMessage.Builder messageBuilder,
 476             Set<RecipientIdentifier> recipients,
 477             Optional<Long> editTargetTimestamp
 478     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 479         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 480         long timestamp = System.currentTimeMillis();
 481         messageBuilder.withTimestamp(timestamp);
 482         for (final var recipient : recipients) {
 483             if (recipient instanceof RecipientIdentifier.Single single) {
 484                 try {
 485                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 486                     final var result = context.getSendHelper()
 487                             .sendMessage(messageBuilder, recipientId, editTargetTimestamp);
 488                     results.put(recipient, List.of(toSendMessageResult(result)));
 489                 } catch (UnregisteredRecipientException e) {
 490                     results.put(recipient,
 491                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 492                 }
 493             } else if (recipient instanceof RecipientIdentifier.NoteToSelf) {
 494                 final var result = context.getSendHelper().sendSelfMessage(messageBuilder, editTargetTimestamp);
 495                 results.put(recipient, List.of(toSendMessageResult(result)));
 496             } else if (recipient instanceof RecipientIdentifier.Group group) {
 497                 final var result = context.getSendHelper()
 498                         .sendAsGroupMessage(messageBuilder, group.groupId(), editTargetTimestamp);
 499                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 500             }
 501         }
 502         return new SendMessageResults(timestamp, results);
 503     }
 504
 505     private SendMessageResult toSendMessageResult(final org.whispersystems.signalservice.api.messages.SendMessageResult result) {
 506         return SendMessageResult.from(result, account.getRecipientResolver(), account.getRecipientAddressResolver());
 507     }
 508
 509     private SendMessageResults sendTypingMessage(
 510             SignalServiceTypingMessage.Action action, Set<RecipientIdentifier> recipients
 511     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 512         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 513         final var timestamp = System.currentTimeMillis();
 514         for (var recipient : recipients) {
 515             if (recipient instanceof RecipientIdentifier.Single single) {
 516                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.empty());
 517                 try {
 518                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 519                     final var result = context.getSendHelper().sendTypingMessage(message, recipientId);
 520                     results.put(recipient, List.of(toSendMessageResult(result)));
 521                 } catch (UnregisteredRecipientException e) {
 522                     results.put(recipient,
 523                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 524                 }
 525             } else if (recipient instanceof RecipientIdentifier.Group) {
 526                 final var groupId = ((RecipientIdentifier.Group) recipient).groupId();
 527                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.of(groupId.serialize()));
 528                 final var result = context.getSendHelper().sendGroupTypingMessage(message, groupId);
 529                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 530             }
 531         }
 532         return new SendMessageResults(timestamp, results);
 533     }
 534
 535     @Override
 536     public SendMessageResults sendTypingMessage(
 537             TypingAction action, Set<RecipientIdentifier> recipients
 538     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 539         return sendTypingMessage(action.toSignalService(), recipients);
 540     }
 541
 542     @Override
 543     public SendMessageResults sendReadReceipt(
 544             RecipientIdentifier.Single sender, List<Long> messageIds
 545     ) {
 546         final var timestamp = System.currentTimeMillis();
 547         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.READ,
 548                 messageIds,
 549                 timestamp);
 550
 551         return sendReceiptMessage(sender, timestamp, receiptMessage);
 552     }
 553
 554     @Override
 555     public SendMessageResults sendViewedReceipt(
 556             RecipientIdentifier.Single sender, List<Long> messageIds
 557     ) {
 558         final var timestamp = System.currentTimeMillis();
 559         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.VIEWED,
 560                 messageIds,
 561                 timestamp);
 562
 563         return sendReceiptMessage(sender, timestamp, receiptMessage);
 564     }
 565
 566     private SendMessageResults sendReceiptMessage(
 567             final RecipientIdentifier.Single sender,
 568             final long timestamp,
 569             final SignalServiceReceiptMessage receiptMessage
 570     ) {
 571         try {
 572             final var result = context.getSendHelper()
 573                     .sendReceiptMessage(receiptMessage, context.getRecipientHelper().resolveRecipient(sender));
 574             return new SendMessageResults(timestamp, Map.of(sender, List.of(toSendMessageResult(result))));
 575         } catch (UnregisteredRecipientException e) {
 576             return new SendMessageResults(timestamp,
 577                     Map.of(sender, List.of(SendMessageResult.unregisteredFailure(sender.toPartialRecipientAddress()))));
 578         }
 579     }
 580
 581     @Override
 582     public SendMessageResults sendMessage(
 583             Message message, Set<RecipientIdentifier> recipients
 584     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 585         final var selfProfile = context.getProfileHelper().getSelfProfile();
 586         if (selfProfile == null || selfProfile.getDisplayName().isEmpty()) {
 587             logger.warn(
 588                     "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.");
 589         }
 590         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 591         applyMessage(messageBuilder, message);
 592         return sendMessage(messageBuilder, recipients);
 593     }
 594
 595     @Override
 596     public SendMessageResults sendEditMessage(
 597             Message message, Set<RecipientIdentifier> recipients, long editTargetTimestamp
 598     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 599         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 600         applyMessage(messageBuilder, message);
 601         return sendMessage(messageBuilder, recipients, Optional.of(editTargetTimestamp));
 602     }
 603
 604     private void applyMessage(
 605             final SignalServiceDataMessage.Builder messageBuilder, final Message message
 606     ) throws AttachmentInvalidException, IOException, UnregisteredRecipientException, InvalidStickerException {
 607         if (message.messageText().length() > 2000) {
 608             final var messageBytes = message.messageText().getBytes(StandardCharsets.UTF_8);
 609             final var textAttachment = AttachmentUtils.createAttachmentStream(new StreamDetails(new ByteArrayInputStream(
 610                     messageBytes), MimeUtils.LONG_TEXT, messageBytes.length), Optional.empty());
 611             messageBuilder.withBody(message.messageText().substring(0, 2000));
 612             messageBuilder.withAttachment(context.getAttachmentHelper().uploadAttachment(textAttachment));
 613         } else {
 614             messageBuilder.withBody(message.messageText());
 615         }
 616         if (message.attachments().size() > 0) {
 617             messageBuilder.withAttachments(context.getAttachmentHelper().uploadAttachments(message.attachments()));
 618         }
 619         if (message.mentions().size() > 0) {
 620             messageBuilder.withMentions(resolveMentions(message.mentions()));
 621         }
 622         if (message.textStyles().size() > 0) {
 623             messageBuilder.withBodyRanges(message.textStyles().stream().map(TextStyle::toBodyRange).toList());
 624         }
 625         if (message.quote().isPresent()) {
 626             final var quote = message.quote().get();
 627             messageBuilder.withQuote(new SignalServiceDataMessage.Quote(quote.timestamp(),
 628                     context.getRecipientHelper()
 629                             .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(quote.author()))
 630                             .getServiceId(),
 631                     quote.message(),
 632                     List.of(),
 633                     resolveMentions(quote.mentions()),
 634                     SignalServiceDataMessage.Quote.Type.NORMAL,
 635                     quote.textStyles().stream().map(TextStyle::toBodyRange).toList()));
 636         }
 637         if (message.sticker().isPresent()) {
 638             final var sticker = message.sticker().get();
 639             final var packId = StickerPackId.deserialize(sticker.packId());
 640             final var stickerId = sticker.stickerId();
 641
 642             final var stickerPack = context.getAccount().getStickerStore().getStickerPack(packId);
 643             if (stickerPack == null) {
 644                 throw new InvalidStickerException("Sticker pack not found");
 645             }
 646             final var manifest = context.getStickerHelper().getOrRetrieveStickerPack(packId, stickerPack.packKey());
 647             if (manifest.stickers().size() <= stickerId) {
 648                 throw new InvalidStickerException("Sticker id not part of this pack");
 649             }
 650             final var manifestSticker = manifest.stickers().get(stickerId);
 651             final var streamDetails = context.getStickerPackStore().retrieveSticker(packId, stickerId);
 652             if (streamDetails == null) {
 653                 throw new InvalidStickerException("Missing local sticker file");
 654             }
 655             messageBuilder.withSticker(new SignalServiceDataMessage.Sticker(packId.serialize(),
 656                     stickerPack.packKey(),
 657                     stickerId,
 658                     manifestSticker.emoji(),
 659                     AttachmentUtils.createAttachmentStream(streamDetails, Optional.empty())));
 660         }
 661         if (message.previews().size() > 0) {
 662             final var previews = new ArrayList<SignalServicePreview>(message.previews().size());
 663             for (final var p : message.previews()) {
 664                 final var image = p.image().isPresent() ? context.getAttachmentHelper()
 665                         .uploadAttachment(p.image().get()) : null;
 666                 previews.add(new SignalServicePreview(p.url(),
 667                         p.title(),
 668                         p.description(),
 669                         0,
 670                         Optional.ofNullable(image)));
 671             }
 672             messageBuilder.withPreviews(previews);
 673         }
 674         if (message.storyReply().isPresent()) {
 675             final var storyReply = message.storyReply().get();
 676             final var authorServiceId = context.getRecipientHelper()
 677                     .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(storyReply.author()))
 678                     .getServiceId();
 679             messageBuilder.withStoryContext(new SignalServiceDataMessage.StoryContext(authorServiceId,
 680                     storyReply.timestamp()));
 681         }
 682     }
 683
 684     private ArrayList<SignalServiceDataMessage.Mention> resolveMentions(final List<Message.Mention> mentionList) throws UnregisteredRecipientException {
 685         final var mentions = new ArrayList<SignalServiceDataMessage.Mention>();
 686         for (final var m : mentionList) {
 687             final var recipientId = context.getRecipientHelper().resolveRecipient(m.recipient());
 688             mentions.add(new SignalServiceDataMessage.Mention(context.getRecipientHelper()
 689                     .resolveSignalServiceAddress(recipientId)
 690                     .getServiceId(), m.start(), m.length()));
 691         }
 692         return mentions;
 693     }
 694
 695     @Override
 696     public SendMessageResults sendRemoteDeleteMessage(
 697             long targetSentTimestamp, Set<RecipientIdentifier> recipients
 698     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 699         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
 700         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
 701         for (final var recipient : recipients) {
 702             if (recipient instanceof RecipientIdentifier.Uuid u) {
 703                 account.getMessageSendLogStore()
 704                         .deleteEntryForRecipientNonGroup(targetSentTimestamp, ACI.from(u.uuid()));
 705             } else if (recipient instanceof RecipientIdentifier.Single r) {
 706                 try {
 707                     final var recipientId = context.getRecipientHelper().resolveRecipient(r);
 708                     final var address = account.getRecipientAddressResolver().resolveRecipientAddress(recipientId);
 709                     if (address.serviceId().isPresent()) {
 710                         account.getMessageSendLogStore()
 711                                 .deleteEntryForRecipientNonGroup(targetSentTimestamp, address.serviceId().get());
 712                     }
 713                 } catch (UnregisteredRecipientException ignored) {
 714                 }
 715             } else if (recipient instanceof RecipientIdentifier.Group r) {
 716                 account.getMessageSendLogStore().deleteEntryForGroup(targetSentTimestamp, r.groupId());
 717             }
 718         }
 719         return sendMessage(messageBuilder, recipients);
 720     }
 721
 722     @Override
 723     public SendMessageResults sendMessageReaction(
 724             String emoji,
 725             boolean remove,
 726             RecipientIdentifier.Single targetAuthor,
 727             long targetSentTimestamp,
 728             Set<RecipientIdentifier> recipients,
 729             final boolean isStory
 730     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 731         var targetAuthorRecipientId = context.getRecipientHelper().resolveRecipient(targetAuthor);
 732         final var authorServiceId = context.getRecipientHelper()
 733                 .resolveSignalServiceAddress(targetAuthorRecipientId)
 734                 .getServiceId();
 735         var reaction = new SignalServiceDataMessage.Reaction(emoji, remove, authorServiceId, targetSentTimestamp);
 736         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 737         if (isStory) {
 738             messageBuilder.withStoryContext(new SignalServiceDataMessage.StoryContext(authorServiceId,
 739                     targetSentTimestamp));
 740         }
 741         return sendMessage(messageBuilder, recipients);
 742     }
 743
 744     @Override
 745     public SendMessageResults sendPaymentNotificationMessage(
 746             byte[] receipt, String note, RecipientIdentifier.Single recipient
 747     ) throws IOException {
 748         final var paymentNotification = new SignalServiceDataMessage.PaymentNotification(receipt, note);
 749         final var payment = new SignalServiceDataMessage.Payment(paymentNotification, null);
 750         final var messageBuilder = SignalServiceDataMessage.newBuilder().withPayment(payment);
 751         try {
 752             return sendMessage(messageBuilder, Set.of(recipient));
 753         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 754             throw new AssertionError(e);
 755         }
 756     }
 757
 758     @Override
 759     public SendMessageResults sendEndSessionMessage(Set<RecipientIdentifier.Single> recipients) throws IOException {
 760         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
 761
 762         try {
 763             return sendMessage(messageBuilder,
 764                     recipients.stream().map(RecipientIdentifier.class::cast).collect(Collectors.toSet()));
 765         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 766             throw new AssertionError(e);
 767         } finally {
 768             for (var recipient : recipients) {
 769                 final RecipientId recipientId;
 770                 try {
 771                     recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 772                 } catch (UnregisteredRecipientException e) {
 773                     continue;
 774                 }
 775                 final var serviceId = context.getAccount()
 776                         .getRecipientAddressResolver()
 777                         .resolveRecipientAddress(recipientId)
 778                         .serviceId();
 779                 if (serviceId.isPresent()) {
 780                     account.getAccountData(ServiceIdType.ACI).getSessionStore().deleteAllSessions(serviceId.get());
 781                 }
 782             }
 783         }
 784     }
 785
 786     @Override
 787     public void deleteRecipient(final RecipientIdentifier.Single recipient) {
 788         final var recipientIdOptional = context.getRecipientHelper().resolveRecipientOptional(recipient);
 789         if (recipientIdOptional.isPresent()) {
 790             account.removeRecipient(recipientIdOptional.get());
 791         }
 792     }
 793
 794     @Override
 795     public void deleteContact(final RecipientIdentifier.Single recipient) {
 796         final var recipientIdOptional = context.getRecipientHelper().resolveRecipientOptional(recipient);
 797         if (recipientIdOptional.isPresent()) {
 798             account.getContactStore().deleteContact(recipientIdOptional.get());
 799         }
 800     }
 801
 802     @Override
 803     public void setContactName(
 804             RecipientIdentifier.Single recipient, String givenName, final String familyName
 805     ) throws NotPrimaryDeviceException, UnregisteredRecipientException {
 806         if (!account.isPrimaryDevice()) {
 807             throw new NotPrimaryDeviceException();
 808         }
 809         context.getContactHelper()
 810                 .setContactName(context.getRecipientHelper().resolveRecipient(recipient), givenName, familyName);
 811     }
 812
 813     @Override
 814     public void setContactsBlocked(
 815             Collection<RecipientIdentifier.Single> recipients, boolean blocked
 816     ) throws NotPrimaryDeviceException, IOException, UnregisteredRecipientException {
 817         if (!account.isPrimaryDevice()) {
 818             throw new NotPrimaryDeviceException();
 819         }
 820         if (recipients.size() == 0) {
 821             return;
 822         }
 823         final var recipientIds = context.getRecipientHelper().resolveRecipients(recipients);
 824         final var selfRecipientId = account.getSelfRecipientId();
 825         boolean shouldRotateProfileKey = false;
 826         for (final var recipientId : recipientIds) {
 827             if (context.getContactHelper().isContactBlocked(recipientId) == blocked) {
 828                 continue;
 829             }
 830             context.getContactHelper().setContactBlocked(recipientId, blocked);
 831             // if we don't have a common group with the blocked contact we need to rotate the profile key
 832             shouldRotateProfileKey = blocked && (
 833                     shouldRotateProfileKey || account.getGroupStore()
 834                             .getGroups()
 835                             .stream()
 836                             .noneMatch(g -> g.isMember(selfRecipientId) && g.isMember(recipientId))
 837             );
 838         }
 839         if (shouldRotateProfileKey) {
 840             context.getProfileHelper().rotateProfileKey();
 841         }
 842         context.getSyncHelper().sendBlockedList();
 843     }
 844
 845     @Override
 846     public void setGroupsBlocked(
 847             final Collection<GroupId> groupIds, final boolean blocked
 848     ) throws GroupNotFoundException, NotPrimaryDeviceException, IOException {
 849         if (!account.isPrimaryDevice()) {
 850             throw new NotPrimaryDeviceException();
 851         }
 852         if (groupIds.size() == 0) {
 853             return;
 854         }
 855         boolean shouldRotateProfileKey = false;
 856         for (final var groupId : groupIds) {
 857             if (context.getGroupHelper().isGroupBlocked(groupId) == blocked) {
 858                 continue;
 859             }
 860             context.getGroupHelper().setGroupBlocked(groupId, blocked);
 861             shouldRotateProfileKey = blocked;
 862         }
 863         if (shouldRotateProfileKey) {
 864             context.getProfileHelper().rotateProfileKey();
 865         }
 866         context.getSyncHelper().sendBlockedList();
 867     }
 868
 869     @Override
 870     public void setExpirationTimer(
 871             RecipientIdentifier.Single recipient, int messageExpirationTimer
 872     ) throws IOException, UnregisteredRecipientException {
 873         var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 874         context.getContactHelper().setExpirationTimer(recipientId, messageExpirationTimer);
 875         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
 876         try {
 877             sendMessage(messageBuilder, Set.of(recipient));
 878         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 879             throw new AssertionError(e);
 880         }
 881     }
 882
 883     @Override
 884     public StickerPackUrl uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
 885         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
 886
 887         var messageSender = dependencies.getMessageSender();
 888
 889         var packKey = KeyUtils.createStickerUploadKey();
 890         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
 891         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
 892
 893         var sticker = new StickerPack(packId, packKey);
 894         account.getStickerStore().addStickerPack(sticker);
 895         context.getSyncHelper().sendStickerOperationsMessage(List.of(sticker), List.of());
 896
 897         return new StickerPackUrl(packId, packKey);
 898     }
 899
 900     @Override
 901     public void installStickerPack(StickerPackUrl url) throws IOException {
 902         final var packId = url.getPackId();
 903         final var packKey = url.getPackKey();
 904         try {
 905             context.getStickerHelper().retrieveStickerPack(packId, packKey);
 906         } catch (InvalidMessageException e) {
 907             throw new IOException(e);
 908         }
 909
 910         final var sticker = context.getStickerHelper().addOrUpdateStickerPack(packId, packKey, true);
 911         context.getSyncHelper().sendStickerOperationsMessage(List.of(sticker), List.of());
 912     }
 913
 914     @Override
 915     public List<org.asamk.signal.manager.api.StickerPack> getStickerPacks() {
 916         final var stickerPackStore = context.getStickerPackStore();
 917         return account.getStickerStore().getStickerPacks().stream().map(pack -> {
 918             if (stickerPackStore.existsStickerPack(pack.packId())) {
 919                 try {
 920                     final var manifest = stickerPackStore.retrieveManifest(pack.packId());
 921                     return new org.asamk.signal.manager.api.StickerPack(pack.packId(),
 922                             new StickerPackUrl(pack.packId(), pack.packKey()),
 923                             pack.isInstalled(),
 924                             manifest.title(),
 925                             manifest.author(),
 926                             Optional.ofNullable(manifest.cover() == null ? null : manifest.cover().toApi()),
 927                             manifest.stickers().stream().map(JsonStickerPack.JsonSticker::toApi).toList());
 928                 } catch (Exception e) {
 929                     logger.warn("Failed to read local sticker pack manifest: {}", e.getMessage(), e);
 930                 }
 931             }
 932
 933             return new org.asamk.signal.manager.api.StickerPack(pack.packId(), pack.packKey(), pack.isInstalled());
 934         }).toList();
 935     }
 936
 937     @Override
 938     public void requestAllSyncData() throws IOException {
 939         context.getSyncHelper().requestAllSyncData();
 940         retrieveRemoteStorage();
 941     }
 942
 943     void retrieveRemoteStorage() throws IOException {
 944         context.getStorageHelper().readDataFromStorage();
 945     }
 946
 947     @Override
 948     public void addReceiveHandler(final ReceiveMessageHandler handler, final boolean isWeakListener) {
 949         synchronized (messageHandlers) {
 950             if (isWeakListener) {
 951                 weakHandlers.add(handler);
 952             } else {
 953                 messageHandlers.add(handler);
 954                 startReceiveThreadIfRequired();
 955             }
 956         }
 957     }
 958
 959     private static final AtomicInteger threadNumber = new AtomicInteger(0);
 960
 961     private void startReceiveThreadIfRequired() {
 962         if (receiveThread != null || isReceivingSynchronous) {
 963             return;
 964         }
 965         receiveThread = new Thread(() -> {
 966             logger.debug("Starting receiving messages");
 967             context.getReceiveHelper().receiveMessagesContinuously(this::passReceivedMessageToHandlers);
 968             logger.debug("Finished receiving messages");
 969             synchronized (messageHandlers) {
 970                 receiveThread = null;
 971
 972                 // Check if in the meantime another handler has been registered
 973                 if (!messageHandlers.isEmpty()) {
 974                     logger.debug("Another handler has been registered, starting receive thread again");
 975                     startReceiveThreadIfRequired();
 976                 }
 977             }
 978         });
 979         receiveThread.setName("receive-" + threadNumber.getAndIncrement());
 980
 981         receiveThread.start();
 982     }
 983
 984     private void passReceivedMessageToHandlers(MessageEnvelope envelope, Throwable e) {
 985         synchronized (messageHandlers) {
 986             Stream.concat(messageHandlers.stream(), weakHandlers.stream()).forEach(h -> {
 987                 try {
 988                     h.handleMessage(envelope, e);
 989                 } catch (Throwable ex) {
 990                     logger.warn("Message handler failed, ignoring", ex);
 991                 }
 992             });
 993         }
 994     }
 995
 996     @Override
 997     public void removeReceiveHandler(final ReceiveMessageHandler handler) {
 998         final Thread thread;
 999         synchronized (messageHandlers) {
1000             weakHandlers.remove(handler);
1001             messageHandlers.remove(handler);
1002             if (!messageHandlers.isEmpty() || receiveThread == null || isReceivingSynchronous) {
1003                 return;
1004             }
1005             thread = receiveThread;
1006             receiveThread = null;
1007         }
1008
1009         stopReceiveThread(thread);
1010     }
1011
1012     private void stopReceiveThread(final Thread thread) {
1013         if (context.getReceiveHelper().requestStopReceiveMessages()) {
1014             logger.debug("Receive stop requested, interrupting read from server.");
1015             thread.interrupt();
1016         }
1017         try {
1018             thread.join();
1019         } catch (InterruptedException ignored) {
1020         }
1021     }
1022
1023     @Override
1024     public boolean isReceiving() {
1025         if (isReceivingSynchronous) {
1026             return true;
1027         }
1028         synchronized (messageHandlers) {
1029             return messageHandlers.size() > 0;
1030         }
1031     }
1032
1033     @Override
1034     public void receiveMessages(
1035             Optional<Duration> timeout, Optional<Integer> maxMessages, ReceiveMessageHandler handler
1036     ) throws IOException, AlreadyReceivingException {
1037         receiveMessages(timeout.orElse(Duration.ofMinutes(1)), timeout.isPresent(), maxMessages.orElse(null), handler);
1038     }
1039
1040     private void receiveMessages(
1041             Duration timeout, boolean returnOnTimeout, Integer maxMessages, ReceiveMessageHandler handler
1042     ) throws IOException, AlreadyReceivingException {
1043         synchronized (messageHandlers) {
1044             if (isReceiving()) {
1045                 throw new AlreadyReceivingException("Already receiving message.");
1046             }
1047             isReceivingSynchronous = true;
1048             receiveThread = Thread.currentThread();
1049         }
1050         try {
1051             context.getReceiveHelper().receiveMessages(timeout, returnOnTimeout, maxMessages, (envelope, e) -> {
1052                 passReceivedMessageToHandlers(envelope, e);
1053                 handler.handleMessage(envelope, e);
1054             });
1055         } finally {
1056             synchronized (messageHandlers) {
1057                 receiveThread = null;
1058                 isReceivingSynchronous = false;
1059                 if (messageHandlers.size() > 0) {
1060                     startReceiveThreadIfRequired();
1061                 }
1062             }
1063         }
1064     }
1065
1066     @Override
1067     public void setReceiveConfig(final ReceiveConfig receiveConfig) {
1068         context.getReceiveHelper().setReceiveConfig(receiveConfig);
1069     }
1070
1071     @Override
1072     public boolean isContactBlocked(final RecipientIdentifier.Single recipient) {
1073         final RecipientId recipientId;
1074         try {
1075             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1076         } catch (UnregisteredRecipientException e) {
1077             return false;
1078         }
1079         return context.getContactHelper().isContactBlocked(recipientId);
1080     }
1081
1082     @Override
1083     public void sendContacts() throws IOException {
1084         context.getSyncHelper().sendContacts();
1085     }
1086
1087     @Override
1088     public List<Recipient> getRecipients(
1089             boolean onlyContacts,
1090             Optional<Boolean> blocked,
1091             Collection<RecipientIdentifier.Single> recipients,
1092             Optional<String> name
1093     ) {
1094         final var recipientIds = recipients.stream().map(a -> {
1095             try {
1096                 return context.getRecipientHelper().resolveRecipient(a);
1097             } catch (UnregisteredRecipientException e) {
1098                 return null;
1099             }
1100         }).filter(Objects::nonNull).collect(Collectors.toSet());
1101         if (!recipients.isEmpty() && recipientIds.isEmpty()) {
1102             return List.of();
1103         }
1104         // refresh profiles of explicitly given recipients
1105         context.getProfileHelper().refreshRecipientProfiles(recipientIds);
1106         return account.getRecipientStore()
1107                 .getRecipients(onlyContacts, blocked, recipientIds, name)
1108                 .stream()
1109                 .map(s -> new Recipient(s.getRecipientId(),
1110                         s.getAddress().toApiRecipientAddress(),
1111                         s.getContact(),
1112                         s.getProfileKey(),
1113                         s.getExpiringProfileKeyCredential(),
1114                         s.getProfile()))
1115                 .toList();
1116     }
1117
1118     @Override
1119     public String getContactOrProfileName(RecipientIdentifier.Single recipient) {
1120         final RecipientId recipientId;
1121         try {
1122             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1123         } catch (UnregisteredRecipientException e) {
1124             return null;
1125         }
1126
1127         final var contact = account.getContactStore().getContact(recipientId);
1128         if (contact != null && !Util.isEmpty(contact.getName())) {
1129             return contact.getName();
1130         }
1131
1132         final var profile = context.getProfileHelper().getRecipientProfile(recipientId);
1133         if (profile != null) {
1134             return profile.getDisplayName();
1135         }
1136
1137         return null;
1138     }
1139
1140     @Override
1141     public Group getGroup(GroupId groupId) {
1142         return toGroup(context.getGroupHelper().getGroup(groupId));
1143     }
1144
1145     @Override
1146     public List<Identity> getIdentities() {
1147         return account.getIdentityKeyStore().getIdentities().stream().map(this::toIdentity).toList();
1148     }
1149
1150     private Identity toIdentity(final IdentityInfo identityInfo) {
1151         if (identityInfo == null) {
1152             return null;
1153         }
1154
1155         final var address = account.getRecipientAddressResolver()
1156                 .resolveRecipientAddress(account.getRecipientResolver().resolveRecipient(identityInfo.getServiceId()));
1157         final var scannableFingerprint = context.getIdentityHelper()
1158                 .computeSafetyNumberForScanning(identityInfo.getServiceId(), identityInfo.getIdentityKey());
1159         return new Identity(address.toApiRecipientAddress(),
1160                 identityInfo.getIdentityKey(),
1161                 context.getIdentityHelper()
1162                         .computeSafetyNumber(identityInfo.getServiceId(), identityInfo.getIdentityKey()),
1163                 scannableFingerprint == null ? null : scannableFingerprint.getSerialized(),
1164                 identityInfo.getTrustLevel(),
1165                 identityInfo.getDateAddedTimestamp());
1166     }
1167
1168     @Override
1169     public List<Identity> getIdentities(RecipientIdentifier.Single recipient) {
1170         ServiceId serviceId;
1171         try {
1172             final var address = account.getRecipientAddressResolver()
1173                     .resolveRecipientAddress(context.getRecipientHelper().resolveRecipient(recipient));
1174             if (address.serviceId().isEmpty()) {
1175                 return List.of();
1176             }
1177             serviceId = address.serviceId().get();
1178         } catch (UnregisteredRecipientException e) {
1179             return List.of();
1180         }
1181         final var identity = account.getIdentityKeyStore().getIdentityInfo(serviceId);
1182         return identity == null ? List.of() : List.of(toIdentity(identity));
1183     }
1184
1185     @Override
1186     public boolean trustIdentityVerified(
1187             RecipientIdentifier.Single recipient, IdentityVerificationCode verificationCode
1188     ) throws UnregisteredRecipientException {
1189         if (verificationCode instanceof IdentityVerificationCode.Fingerprint fingerprint) {
1190             return trustIdentity(recipient,
1191                     r -> context.getIdentityHelper().trustIdentityVerified(r, fingerprint.fingerprint()));
1192         } else if (verificationCode instanceof IdentityVerificationCode.SafetyNumber safetyNumber) {
1193             return trustIdentity(recipient,
1194                     r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber.safetyNumber()));
1195         } else if (verificationCode instanceof IdentityVerificationCode.ScannableSafetyNumber safetyNumber) {
1196             return trustIdentity(recipient,
1197                     r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber.safetyNumber()));
1198         } else {
1199             throw new AssertionError("Invalid verification code type");
1200         }
1201     }
1202
1203     @Override
1204     public boolean trustIdentityAllKeys(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
1205         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityAllKeys(r));
1206     }
1207
1208     private boolean trustIdentity(
1209             RecipientIdentifier.Single recipient, Function<RecipientId, Boolean> trustMethod
1210     ) throws UnregisteredRecipientException {
1211         final var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1212         final var updated = trustMethod.apply(recipientId);
1213         if (updated && this.isReceiving()) {
1214             context.getReceiveHelper().setNeedsToRetryFailedMessages(true);
1215         }
1216         return updated;
1217     }
1218
1219     @Override
1220     public void addAddressChangedListener(final Runnable listener) {
1221         synchronized (addressChangedListeners) {
1222             addressChangedListeners.add(listener);
1223         }
1224     }
1225
1226     @Override
1227     public void addClosedListener(final Runnable listener) {
1228         synchronized (closedListeners) {
1229             closedListeners.add(listener);
1230         }
1231     }
1232
1233     @Override
1234     public InputStream retrieveAttachment(final String id) throws IOException {
1235         return context.getAttachmentHelper().retrieveAttachment(id).getStream();
1236     }
1237
1238     @Override
1239     public void close() {
1240         Thread thread;
1241         synchronized (messageHandlers) {
1242             weakHandlers.clear();
1243             messageHandlers.clear();
1244             thread = receiveThread;
1245             receiveThread = null;
1246         }
1247         if (thread != null) {
1248             stopReceiveThread(thread);
1249         }
1250         executor.shutdown();
1251
1252         dependencies.getSignalWebSocket().disconnect();
1253         disposable.dispose();
1254
1255         if (account != null) {
1256             account.close();
1257         }
1258
1259         synchronized (closedListeners) {
1260             closedListeners.forEach(Runnable::run);
1261             closedListeners.clear();
1262         }
1263
1264         account = null;
1265     }
1266 }