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