nmode's Git Repositories - signal-cli/blob - src/main/java/org/asamk/signal/dbus/DbusManagerImpl.java

   1 package org.asamk.signal.dbus;
   2
   3 import org.asamk.Signal;
   4 import org.asamk.signal.DbusConfig;
   5 import org.asamk.signal.manager.AttachmentInvalidException;
   6 import org.asamk.signal.manager.Manager;
   7 import org.asamk.signal.manager.NotMasterDeviceException;
   8 import org.asamk.signal.manager.StickerPackInvalidException;
   9 import org.asamk.signal.manager.api.Configuration;
  10 import org.asamk.signal.manager.api.Device;
  11 import org.asamk.signal.manager.api.Group;
  12 import org.asamk.signal.manager.api.Identity;
  13 import org.asamk.signal.manager.api.InactiveGroupLinkException;
  14 import org.asamk.signal.manager.api.InvalidDeviceLinkException;
  15 import org.asamk.signal.manager.api.Message;
  16 import org.asamk.signal.manager.api.MessageEnvelope;
  17 import org.asamk.signal.manager.api.Pair;
  18 import org.asamk.signal.manager.api.RecipientIdentifier;
  19 import org.asamk.signal.manager.api.SendGroupMessageResults;
  20 import org.asamk.signal.manager.api.SendMessageResults;
  21 import org.asamk.signal.manager.api.TypingAction;
  22 import org.asamk.signal.manager.api.UpdateGroup;
  23 import org.asamk.signal.manager.groups.GroupId;
  24 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  25 import org.asamk.signal.manager.groups.GroupNotFoundException;
  26 import org.asamk.signal.manager.groups.GroupPermission;
  27 import org.asamk.signal.manager.groups.GroupSendingNotAllowedException;
  28 import org.asamk.signal.manager.groups.LastGroupAdminException;
  29 import org.asamk.signal.manager.groups.NotAGroupMemberException;
  30 import org.asamk.signal.manager.storage.recipients.Contact;
  31 import org.asamk.signal.manager.storage.recipients.Profile;
  32 import org.asamk.signal.manager.storage.recipients.RecipientAddress;
  33 import org.freedesktop.dbus.DBusMap;
  34 import org.freedesktop.dbus.DBusPath;
  35 import org.freedesktop.dbus.connections.impl.DBusConnection;
  36 import org.freedesktop.dbus.exceptions.DBusException;
  37 import org.freedesktop.dbus.interfaces.DBusInterface;
  38 import org.freedesktop.dbus.interfaces.DBusSigHandler;
  39 import org.freedesktop.dbus.types.Variant;
  40
  41 import java.io.File;
  42 import java.io.IOException;
  43 import java.net.URI;
  44 import java.net.URISyntaxException;
  45 import java.time.Duration;
  46 import java.util.ArrayList;
  47 import java.util.HashMap;
  48 import java.util.HashSet;
  49 import java.util.List;
  50 import java.util.Map;
  51 import java.util.Optional;
  52 import java.util.Set;
  53 import java.util.UUID;
  54 import java.util.function.Function;
  55 import java.util.function.Supplier;
  56 import java.util.stream.Collectors;
  57 import java.util.stream.Stream;
  58
  59 /**
  60  * This class implements the Manager interface using the DBus Signal interface, where possible.
  61  * It's used for the signal-cli dbus client mode (--dbus, --dbus-system)
  62  */
  63 public class DbusManagerImpl implements Manager {
  64
  65     private final Signal signal;
  66     private final DBusConnection connection;
  67
  68     private final Set<ReceiveMessageHandler> weakHandlers = new HashSet<>();
  69     private final Set<ReceiveMessageHandler> messageHandlers = new HashSet<>();
  70     private final List<Runnable> closedListeners = new ArrayList<>();
  71     private DBusSigHandler<Signal.MessageReceivedV2> dbusMsgHandler;
  72     private DBusSigHandler<Signal.ReceiptReceivedV2> dbusRcptHandler;
  73     private DBusSigHandler<Signal.SyncMessageReceivedV2> dbusSyncHandler;
  74
  75     public DbusManagerImpl(final Signal signal, DBusConnection connection) {
  76         this.signal = signal;
  77         this.connection = connection;
  78     }
  79
  80     @Override
  81     public String getSelfNumber() {
  82         return signal.getSelfNumber();
  83     }
  84
  85     @Override
  86     public void checkAccountState() throws IOException {
  87         throw new UnsupportedOperationException();
  88     }
  89
  90     @Override
  91     public Map<String, Pair<String, UUID>> areUsersRegistered(final Set<String> numbers) throws IOException {
  92         final var numbersList = new ArrayList<>(numbers);
  93         final var registered = signal.isRegistered(numbersList);
  94
  95         final var result = new HashMap<String, Pair<String, UUID>>();
  96         for (var i = 0; i < numbersList.size(); i++) {
  97             result.put(numbersList.get(i),
  98                     new Pair<>(numbersList.get(i), registered.get(i) ? RecipientAddress.UNKNOWN_UUID : null));
  99         }
 100         return result;
 101     }
 102
 103     @Override
 104     public void updateAccountAttributes(final String deviceName) throws IOException {
 105         if (deviceName != null) {
 106             final var devicePath = signal.getThisDevice();
 107             getRemoteObject(devicePath, Signal.Device.class).Set("org.asamk.Signal.Device", "Name", deviceName);
 108         }
 109     }
 110
 111     @Override
 112     public Configuration getConfiguration() {
 113         final var configuration = getRemoteObject(new DBusPath(signal.getObjectPath() + "/Configuration"),
 114                 Signal.Configuration.class).GetAll("org.asamk.Signal.Configuration");
 115         return new Configuration(Optional.of((Boolean) configuration.get("ReadReceipts").getValue()),
 116                 Optional.of((Boolean) configuration.get("UnidentifiedDeliveryIndicators").getValue()),
 117                 Optional.of((Boolean) configuration.get("TypingIndicators").getValue()),
 118                 Optional.of((Boolean) configuration.get("LinkPreviews").getValue()));
 119     }
 120
 121     @Override
 122     public void updateConfiguration(Configuration newConfiguration) throws IOException {
 123         final var configuration = getRemoteObject(new DBusPath(signal.getObjectPath() + "/Configuration"),
 124                 Signal.Configuration.class);
 125         newConfiguration.readReceipts()
 126                 .ifPresent(v -> configuration.Set("org.asamk.Signal.Configuration", "ReadReceipts", v));
 127         newConfiguration.unidentifiedDeliveryIndicators()
 128                 .ifPresent(v -> configuration.Set("org.asamk.Signal.Configuration",
 129                         "UnidentifiedDeliveryIndicators",
 130                         v));
 131         newConfiguration.typingIndicators()
 132                 .ifPresent(v -> configuration.Set("org.asamk.Signal.Configuration", "TypingIndicators", v));
 133         newConfiguration.linkPreviews()
 134                 .ifPresent(v -> configuration.Set("org.asamk.Signal.Configuration", "LinkPreviews", v));
 135     }
 136
 137     @Override
 138     public void setProfile(
 139             final String givenName,
 140             final String familyName,
 141             final String about,
 142             final String aboutEmoji,
 143             final Optional<File> avatar
 144     ) throws IOException {
 145         signal.updateProfile(emptyIfNull(givenName),
 146                 emptyIfNull(familyName),
 147                 emptyIfNull(about),
 148                 emptyIfNull(aboutEmoji),
 149                 avatar == null ? "" : avatar.map(File::getPath).orElse(""),
 150                 avatar != null && avatar.isEmpty());
 151     }
 152
 153     @Override
 154     public void unregister() throws IOException {
 155         signal.unregister();
 156     }
 157
 158     @Override
 159     public void deleteAccount() throws IOException {
 160         signal.deleteAccount();
 161     }
 162
 163     @Override
 164     public void submitRateLimitRecaptchaChallenge(final String challenge, final String captcha) throws IOException {
 165         signal.submitRateLimitChallenge(challenge, captcha);
 166     }
 167
 168     @Override
 169     public List<Device> getLinkedDevices() throws IOException {
 170         final var thisDevice = signal.getThisDevice();
 171         return signal.listDevices().stream().map(d -> {
 172             final var device = getRemoteObject(d.getObjectPath(),
 173                     Signal.Device.class).GetAll("org.asamk.Signal.Device");
 174             return new Device((long) device.get("Id").getValue(),
 175                     (String) device.get("Name").getValue(),
 176                     (long) device.get("Created").getValue(),
 177                     (long) device.get("LastSeen").getValue(),
 178                     thisDevice.equals(d.getObjectPath()));
 179         }).toList();
 180     }
 181
 182     @Override
 183     public void removeLinkedDevices(final long deviceId) throws IOException {
 184         final var devicePath = signal.getDevice(deviceId);
 185         getRemoteObject(devicePath, Signal.Device.class).removeDevice();
 186     }
 187
 188     @Override
 189     public void addDeviceLink(final URI linkUri) throws IOException, InvalidDeviceLinkException {
 190         signal.addDevice(linkUri.toString());
 191     }
 192
 193     @Override
 194     public void setRegistrationLockPin(final Optional<String> pin) throws IOException {
 195         if (pin.isPresent()) {
 196             signal.setPin(pin.get());
 197         } else {
 198             signal.removePin();
 199         }
 200     }
 201
 202     @Override
 203     public Profile getRecipientProfile(final RecipientIdentifier.Single recipient) {
 204         throw new UnsupportedOperationException();
 205     }
 206
 207     @Override
 208     public List<Group> getGroups() {
 209         final var groups = signal.listGroups();
 210         return groups.stream().map(Signal.StructGroup::getObjectPath).map(this::getGroup).toList();
 211     }
 212
 213     @Override
 214     public SendGroupMessageResults quitGroup(
 215             final GroupId groupId, final Set<RecipientIdentifier.Single> groupAdmins
 216     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, LastGroupAdminException {
 217         if (groupAdmins.size() > 0) {
 218             throw new UnsupportedOperationException();
 219         }
 220         final var group = getRemoteObject(signal.getGroup(groupId.serialize()), Signal.Group.class);
 221         group.quitGroup();
 222         return new SendGroupMessageResults(0, List.of());
 223     }
 224
 225     @Override
 226     public void deleteGroup(final GroupId groupId) throws IOException {
 227         final var group = getRemoteObject(signal.getGroup(groupId.serialize()), Signal.Group.class);
 228         group.deleteGroup();
 229     }
 230
 231     @Override
 232     public Pair<GroupId, SendGroupMessageResults> createGroup(
 233             final String name, final Set<RecipientIdentifier.Single> members, final File avatarFile
 234     ) throws IOException, AttachmentInvalidException {
 235         final var newGroupId = signal.createGroup(emptyIfNull(name),
 236                 members.stream().map(RecipientIdentifier.Single::getIdentifier).toList(),
 237                 avatarFile == null ? "" : avatarFile.getPath());
 238         return new Pair<>(GroupId.unknownVersion(newGroupId), new SendGroupMessageResults(0, List.of()));
 239     }
 240
 241     @Override
 242     public SendGroupMessageResults updateGroup(
 243             final GroupId groupId, final UpdateGroup updateGroup
 244     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException, GroupSendingNotAllowedException {
 245         final var group = getRemoteObject(signal.getGroup(groupId.serialize()), Signal.Group.class);
 246         if (updateGroup.getName() != null) {
 247             group.Set("org.asamk.Signal.Group", "Name", updateGroup.getName());
 248         }
 249         if (updateGroup.getDescription() != null) {
 250             group.Set("org.asamk.Signal.Group", "Description", updateGroup.getDescription());
 251         }
 252         if (updateGroup.getAvatarFile() != null) {
 253             group.Set("org.asamk.Signal.Group",
 254                     "Avatar",
 255                     updateGroup.getAvatarFile() == null ? "" : updateGroup.getAvatarFile().getPath());
 256         }
 257         if (updateGroup.getExpirationTimer() != null) {
 258             group.Set("org.asamk.Signal.Group", "MessageExpirationTimer", updateGroup.getExpirationTimer());
 259         }
 260         if (updateGroup.getAddMemberPermission() != null) {
 261             group.Set("org.asamk.Signal.Group", "PermissionAddMember", updateGroup.getAddMemberPermission().name());
 262         }
 263         if (updateGroup.getEditDetailsPermission() != null) {
 264             group.Set("org.asamk.Signal.Group", "PermissionEditDetails", updateGroup.getEditDetailsPermission().name());
 265         }
 266         if (updateGroup.getIsAnnouncementGroup() != null) {
 267             group.Set("org.asamk.Signal.Group",
 268                     "PermissionSendMessage",
 269                     updateGroup.getIsAnnouncementGroup()
 270                             ? GroupPermission.ONLY_ADMINS.name()
 271                             : GroupPermission.EVERY_MEMBER.name());
 272         }
 273         if (updateGroup.getMembers() != null) {
 274             group.addMembers(updateGroup.getMembers().stream().map(RecipientIdentifier.Single::getIdentifier).toList());
 275         }
 276         if (updateGroup.getRemoveMembers() != null) {
 277             group.removeMembers(updateGroup.getRemoveMembers()
 278                     .stream()
 279                     .map(RecipientIdentifier.Single::getIdentifier)
 280                     .toList());
 281         }
 282         if (updateGroup.getAdmins() != null) {
 283             group.addAdmins(updateGroup.getAdmins().stream().map(RecipientIdentifier.Single::getIdentifier).toList());
 284         }
 285         if (updateGroup.getRemoveAdmins() != null) {
 286             group.removeAdmins(updateGroup.getRemoveAdmins()
 287                     .stream()
 288                     .map(RecipientIdentifier.Single::getIdentifier)
 289                     .toList());
 290         }
 291         if (updateGroup.isResetGroupLink()) {
 292             group.resetLink();
 293         }
 294         if (updateGroup.getGroupLinkState() != null) {
 295             switch (updateGroup.getGroupLinkState()) {
 296                 case DISABLED -> group.disableLink();
 297                 case ENABLED -> group.enableLink(false);
 298                 case ENABLED_WITH_APPROVAL -> group.enableLink(true);
 299             }
 300         }
 301         return new SendGroupMessageResults(0, List.of());
 302     }
 303
 304     @Override
 305     public Pair<GroupId, SendGroupMessageResults> joinGroup(final GroupInviteLinkUrl inviteLinkUrl) throws IOException, InactiveGroupLinkException {
 306         final var newGroupId = signal.joinGroup(inviteLinkUrl.getUrl());
 307         return new Pair<>(GroupId.unknownVersion(newGroupId), new SendGroupMessageResults(0, List.of()));
 308     }
 309
 310     @Override
 311     public SendMessageResults sendTypingMessage(
 312             final TypingAction action, final Set<RecipientIdentifier> recipients
 313     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 314         return handleMessage(recipients, numbers -> {
 315             numbers.forEach(n -> signal.sendTyping(n, action == TypingAction.STOP));
 316             return 0L;
 317         }, () -> {
 318             signal.sendTyping(signal.getSelfNumber(), action == TypingAction.STOP);
 319             return 0L;
 320         }, groupId -> {
 321             signal.sendGroupTyping(groupId, action == TypingAction.STOP);
 322             return 0L;
 323         });
 324     }
 325
 326     @Override
 327     public SendMessageResults sendReadReceipt(
 328             final RecipientIdentifier.Single sender, final List<Long> messageIds
 329     ) {
 330         signal.sendReadReceipt(sender.getIdentifier(), messageIds);
 331         return new SendMessageResults(0, Map.of());
 332     }
 333
 334     @Override
 335     public SendMessageResults sendViewedReceipt(
 336             final RecipientIdentifier.Single sender, final List<Long> messageIds
 337     ) {
 338         signal.sendViewedReceipt(sender.getIdentifier(), messageIds);
 339         return new SendMessageResults(0, Map.of());
 340     }
 341
 342     @Override
 343     public SendMessageResults sendMessage(
 344             final Message message, final Set<RecipientIdentifier> recipients
 345     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 346         return handleMessage(recipients,
 347                 numbers -> signal.sendMessage(message.messageText(), message.attachments(), numbers),
 348                 () -> signal.sendNoteToSelfMessage(message.messageText(), message.attachments()),
 349                 groupId -> signal.sendGroupMessage(message.messageText(), message.attachments(), groupId));
 350     }
 351
 352     @Override
 353     public SendMessageResults sendRemoteDeleteMessage(
 354             final long targetSentTimestamp, final Set<RecipientIdentifier> recipients
 355     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 356         return handleMessage(recipients,
 357                 numbers -> signal.sendRemoteDeleteMessage(targetSentTimestamp, numbers),
 358                 () -> signal.sendRemoteDeleteMessage(targetSentTimestamp, signal.getSelfNumber()),
 359                 groupId -> signal.sendGroupRemoteDeleteMessage(targetSentTimestamp, groupId));
 360     }
 361
 362     @Override
 363     public SendMessageResults sendMessageReaction(
 364             final String emoji,
 365             final boolean remove,
 366             final RecipientIdentifier.Single targetAuthor,
 367             final long targetSentTimestamp,
 368             final Set<RecipientIdentifier> recipients
 369     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 370         return handleMessage(recipients,
 371                 numbers -> signal.sendMessageReaction(emoji,
 372                         remove,
 373                         targetAuthor.getIdentifier(),
 374                         targetSentTimestamp,
 375                         numbers),
 376                 () -> signal.sendMessageReaction(emoji,
 377                         remove,
 378                         targetAuthor.getIdentifier(),
 379                         targetSentTimestamp,
 380                         signal.getSelfNumber()),
 381                 groupId -> signal.sendGroupMessageReaction(emoji,
 382                         remove,
 383                         targetAuthor.getIdentifier(),
 384                         targetSentTimestamp,
 385                         groupId));
 386     }
 387
 388     @Override
 389     public SendMessageResults sendEndSessionMessage(final Set<RecipientIdentifier.Single> recipients) throws IOException {
 390         signal.sendEndSessionMessage(recipients.stream().map(RecipientIdentifier.Single::getIdentifier).toList());
 391         return new SendMessageResults(0, Map.of());
 392     }
 393
 394     @Override
 395     public void deleteRecipient(final RecipientIdentifier.Single recipient) throws IOException {
 396         signal.deleteRecipient(recipient.getIdentifier());
 397     }
 398
 399     @Override
 400     public void deleteContact(final RecipientIdentifier.Single recipient) throws IOException {
 401         signal.deleteContact(recipient.getIdentifier());
 402     }
 403
 404     @Override
 405     public void setContactName(
 406             final RecipientIdentifier.Single recipient, final String name
 407     ) throws NotMasterDeviceException {
 408         signal.setContactName(recipient.getIdentifier(), name);
 409     }
 410
 411     @Override
 412     public void setContactBlocked(
 413             final RecipientIdentifier.Single recipient, final boolean blocked
 414     ) throws NotMasterDeviceException, IOException {
 415         signal.setContactBlocked(recipient.getIdentifier(), blocked);
 416     }
 417
 418     @Override
 419     public void setGroupBlocked(
 420             final GroupId groupId, final boolean blocked
 421     ) throws GroupNotFoundException, IOException {
 422         setGroupProperty(groupId, "IsBlocked", blocked);
 423     }
 424
 425     private void setGroupProperty(final GroupId groupId, final String propertyName, final boolean blocked) {
 426         final var group = getRemoteObject(signal.getGroup(groupId.serialize()), Signal.Group.class);
 427         group.Set("org.asamk.Signal.Group", propertyName, blocked);
 428     }
 429
 430     @Override
 431     public void setExpirationTimer(
 432             final RecipientIdentifier.Single recipient, final int messageExpirationTimer
 433     ) throws IOException {
 434         signal.setExpirationTimer(recipient.getIdentifier(), messageExpirationTimer);
 435     }
 436
 437     @Override
 438     public URI uploadStickerPack(final File path) throws IOException, StickerPackInvalidException {
 439         try {
 440             return new URI(signal.uploadStickerPack(path.getPath()));
 441         } catch (URISyntaxException e) {
 442             throw new AssertionError(e);
 443         }
 444     }
 445
 446     @Override
 447     public void requestAllSyncData() throws IOException {
 448         signal.sendSyncRequest();
 449     }
 450
 451     @Override
 452     public void addReceiveHandler(final ReceiveMessageHandler handler, final boolean isWeakListener) {
 453         synchronized (messageHandlers) {
 454             if (isWeakListener) {
 455                 weakHandlers.add(handler);
 456             } else {
 457                 if (messageHandlers.size() == 0) {
 458                     installMessageHandlers();
 459                 }
 460                 messageHandlers.add(handler);
 461             }
 462         }
 463     }
 464
 465     @Override
 466     public void removeReceiveHandler(final ReceiveMessageHandler handler) {
 467         synchronized (messageHandlers) {
 468             weakHandlers.remove(handler);
 469             messageHandlers.remove(handler);
 470             if (messageHandlers.size() == 0) {
 471                 uninstallMessageHandlers();
 472             }
 473         }
 474     }
 475
 476     @Override
 477     public boolean isReceiving() {
 478         synchronized (messageHandlers) {
 479             return messageHandlers.size() > 0;
 480         }
 481     }
 482
 483     @Override
 484     public void receiveMessages(final ReceiveMessageHandler handler) throws IOException {
 485         addReceiveHandler(handler);
 486         try {
 487             synchronized (this) {
 488                 this.wait();
 489             }
 490         } catch (InterruptedException ignored) {
 491         }
 492         removeReceiveHandler(handler);
 493     }
 494
 495     @Override
 496     public void receiveMessages(
 497             final Duration timeout, final ReceiveMessageHandler handler
 498     ) throws IOException {
 499         addReceiveHandler(handler);
 500         try {
 501             Thread.sleep(timeout.toMillis());
 502         } catch (InterruptedException ignored) {
 503         }
 504         removeReceiveHandler(handler);
 505     }
 506
 507     @Override
 508     public void setIgnoreAttachments(final boolean ignoreAttachments) {
 509     }
 510
 511     @Override
 512     public boolean hasCaughtUpWithOldMessages() {
 513         return true;
 514     }
 515
 516     @Override
 517     public boolean isContactBlocked(final RecipientIdentifier.Single recipient) {
 518         return signal.isContactBlocked(recipient.getIdentifier());
 519     }
 520
 521     @Override
 522     public void sendContacts() throws IOException {
 523         signal.sendContacts();
 524     }
 525
 526     @Override
 527     public List<Pair<RecipientAddress, Contact>> getContacts() {
 528         throw new UnsupportedOperationException();
 529     }
 530
 531     @Override
 532     public String getContactOrProfileName(final RecipientIdentifier.Single recipient) {
 533         return signal.getContactName(recipient.getIdentifier());
 534     }
 535
 536     @Override
 537     public Group getGroup(final GroupId groupId) {
 538         final var groupPath = signal.getGroup(groupId.serialize());
 539         return getGroup(groupPath);
 540     }
 541
 542     @SuppressWarnings("unchecked")
 543     private Group getGroup(final DBusPath groupPath) {
 544         final var group = getRemoteObject(groupPath, Signal.Group.class).GetAll("org.asamk.Signal.Group");
 545         final var id = (byte[]) group.get("Id").getValue();
 546         try {
 547             return new Group(GroupId.unknownVersion(id),
 548                     (String) group.get("Name").getValue(),
 549                     (String) group.get("Description").getValue(),
 550                     GroupInviteLinkUrl.fromUri((String) group.get("GroupInviteLink").getValue()),
 551                     ((List<String>) group.get("Members").getValue()).stream()
 552                             .map(m -> new RecipientAddress(null, m))
 553                             .collect(Collectors.toSet()),
 554                     ((List<String>) group.get("PendingMembers").getValue()).stream()
 555                             .map(m -> new RecipientAddress(null, m))
 556                             .collect(Collectors.toSet()),
 557                     ((List<String>) group.get("RequestingMembers").getValue()).stream()
 558                             .map(m -> new RecipientAddress(null, m))
 559                             .collect(Collectors.toSet()),
 560                     ((List<String>) group.get("Admins").getValue()).stream()
 561                             .map(m -> new RecipientAddress(null, m))
 562                             .collect(Collectors.toSet()),
 563                     (boolean) group.get("IsBlocked").getValue(),
 564                     (int) group.get("MessageExpirationTimer").getValue(),
 565                     GroupPermission.valueOf((String) group.get("PermissionAddMember").getValue()),
 566                     GroupPermission.valueOf((String) group.get("PermissionEditDetails").getValue()),
 567                     GroupPermission.valueOf((String) group.get("PermissionSendMessage").getValue()),
 568                     (boolean) group.get("IsMember").getValue(),
 569                     (boolean) group.get("IsAdmin").getValue());
 570         } catch (GroupInviteLinkUrl.InvalidGroupLinkException | GroupInviteLinkUrl.UnknownGroupLinkVersionException e) {
 571             throw new AssertionError(e);
 572         }
 573     }
 574
 575     @Override
 576     public List<Identity> getIdentities() {
 577         throw new UnsupportedOperationException();
 578     }
 579
 580     @Override
 581     public List<Identity> getIdentities(final RecipientIdentifier.Single recipient) {
 582         throw new UnsupportedOperationException();
 583     }
 584
 585     @Override
 586     public boolean trustIdentityVerified(final RecipientIdentifier.Single recipient, final byte[] fingerprint) {
 587         throw new UnsupportedOperationException();
 588     }
 589
 590     @Override
 591     public boolean trustIdentityVerifiedSafetyNumber(
 592             final RecipientIdentifier.Single recipient, final String safetyNumber
 593     ) {
 594         throw new UnsupportedOperationException();
 595     }
 596
 597     @Override
 598     public boolean trustIdentityVerifiedSafetyNumber(
 599             final RecipientIdentifier.Single recipient, final byte[] safetyNumber
 600     ) {
 601         throw new UnsupportedOperationException();
 602     }
 603
 604     @Override
 605     public boolean trustIdentityAllKeys(final RecipientIdentifier.Single recipient) {
 606         throw new UnsupportedOperationException();
 607     }
 608
 609     @Override
 610     public void addClosedListener(final Runnable listener) {
 611         synchronized (closedListeners) {
 612             closedListeners.add(listener);
 613         }
 614     }
 615
 616     @Override
 617     public void close() throws IOException {
 618         synchronized (this) {
 619             this.notify();
 620         }
 621         synchronized (messageHandlers) {
 622             if (messageHandlers.size() > 0) {
 623                 uninstallMessageHandlers();
 624             }
 625             weakHandlers.clear();
 626             messageHandlers.clear();
 627         }
 628         synchronized (closedListeners) {
 629             closedListeners.forEach(Runnable::run);
 630             closedListeners.clear();
 631         }
 632     }
 633
 634     private SendMessageResults handleMessage(
 635             Set<RecipientIdentifier> recipients,
 636             Function<List<String>, Long> recipientsHandler,
 637             Supplier<Long> noteToSelfHandler,
 638             Function<byte[], Long> groupHandler
 639     ) {
 640         long timestamp = 0;
 641         final var singleRecipients = recipients.stream()
 642                 .filter(r -> r instanceof RecipientIdentifier.Single)
 643                 .map(RecipientIdentifier.Single.class::cast)
 644                 .map(RecipientIdentifier.Single::getIdentifier)
 645                 .toList();
 646         if (singleRecipients.size() > 0) {
 647             timestamp = recipientsHandler.apply(singleRecipients);
 648         }
 649
 650         if (recipients.contains(RecipientIdentifier.NoteToSelf.INSTANCE)) {
 651             timestamp = noteToSelfHandler.get();
 652         }
 653         final var groupRecipients = recipients.stream()
 654                 .filter(r -> r instanceof RecipientIdentifier.Group)
 655                 .map(RecipientIdentifier.Group.class::cast)
 656                 .map(RecipientIdentifier.Group::groupId)
 657                 .toList();
 658         for (final var groupId : groupRecipients) {
 659             timestamp = groupHandler.apply(groupId.serialize());
 660         }
 661         return new SendMessageResults(timestamp, Map.of());
 662     }
 663
 664     private String emptyIfNull(final String string) {
 665         return string == null ? "" : string;
 666     }
 667
 668     private <T extends DBusInterface> T getRemoteObject(final DBusPath devicePath, final Class<T> type) {
 669         try {
 670             return connection.getRemoteObject(DbusConfig.getBusname(), devicePath.getPath(), type);
 671         } catch (DBusException e) {
 672             throw new AssertionError(e);
 673         }
 674     }
 675
 676     private void installMessageHandlers() {
 677         try {
 678             this.dbusMsgHandler = messageReceived -> {
 679                 final var extras = messageReceived.getExtras();
 680                 final var envelope = new MessageEnvelope(Optional.of(new RecipientAddress(null,
 681                         messageReceived.getSender())),
 682                         0,
 683                         messageReceived.getTimestamp(),
 684                         0,
 685                         0,
 686                         false,
 687                         Optional.empty(),
 688                         Optional.empty(),
 689                         Optional.of(new MessageEnvelope.Data(messageReceived.getTimestamp(),
 690                                 messageReceived.getGroupId().length > 0
 691                                         ? Optional.of(new MessageEnvelope.Data.GroupContext(GroupId.unknownVersion(
 692                                         messageReceived.getGroupId()), false, 0))
 693                                         : Optional.empty(),
 694                                 Optional.empty(),
 695                                 Optional.of(messageReceived.getMessage()),
 696                                 0,
 697                                 false,
 698                                 false,
 699                                 false,
 700                                 false,
 701                                 Optional.empty(),
 702                                 Optional.empty(),
 703                                 Optional.empty(),
 704                                 getAttachments(extras),
 705                                 Optional.empty(),
 706                                 Optional.empty(),
 707                                 List.of(),
 708                                 List.of(),
 709                                 List.of())),
 710                         Optional.empty(),
 711                         Optional.empty());
 712                 notifyMessageHandlers(envelope);
 713             };
 714             connection.addSigHandler(Signal.MessageReceivedV2.class, signal, this.dbusMsgHandler);
 715
 716             this.dbusRcptHandler = receiptReceived -> {
 717                 final var type = switch (receiptReceived.getReceiptType()) {
 718                     case "read" -> MessageEnvelope.Receipt.Type.READ;
 719                     case "viewed" -> MessageEnvelope.Receipt.Type.VIEWED;
 720                     case "delivery" -> MessageEnvelope.Receipt.Type.DELIVERY;
 721                     default -> MessageEnvelope.Receipt.Type.UNKNOWN;
 722                 };
 723                 final var envelope = new MessageEnvelope(Optional.of(new RecipientAddress(null,
 724                         receiptReceived.getSender())),
 725                         0,
 726                         receiptReceived.getTimestamp(),
 727                         0,
 728                         0,
 729                         false,
 730                         Optional.of(new MessageEnvelope.Receipt(receiptReceived.getTimestamp(),
 731                                 type,
 732                                 List.of(receiptReceived.getTimestamp()))),
 733                         Optional.empty(),
 734                         Optional.empty(),
 735                         Optional.empty(),
 736                         Optional.empty());
 737                 notifyMessageHandlers(envelope);
 738             };
 739             connection.addSigHandler(Signal.ReceiptReceivedV2.class, signal, this.dbusRcptHandler);
 740
 741             this.dbusSyncHandler = syncReceived -> {
 742                 final var extras = syncReceived.getExtras();
 743                 final var envelope = new MessageEnvelope(Optional.of(new RecipientAddress(null,
 744                         syncReceived.getSource())),
 745                         0,
 746                         syncReceived.getTimestamp(),
 747                         0,
 748                         0,
 749                         false,
 750                         Optional.empty(),
 751                         Optional.empty(),
 752                         Optional.empty(),
 753                         Optional.of(new MessageEnvelope.Sync(Optional.of(new MessageEnvelope.Sync.Sent(syncReceived.getTimestamp(),
 754                                 syncReceived.getTimestamp(),
 755                                 syncReceived.getDestination().isEmpty()
 756                                         ? Optional.empty()
 757                                         : Optional.of(new RecipientAddress(null, syncReceived.getDestination())),
 758                                 Set.of(),
 759                                 new MessageEnvelope.Data(syncReceived.getTimestamp(),
 760                                         syncReceived.getGroupId().length > 0
 761                                                 ? Optional.of(new MessageEnvelope.Data.GroupContext(GroupId.unknownVersion(
 762                                                 syncReceived.getGroupId()), false, 0))
 763                                                 : Optional.empty(),
 764                                         Optional.empty(),
 765                                         Optional.of(syncReceived.getMessage()),
 766                                         0,
 767                                         false,
 768                                         false,
 769                                         false,
 770                                         false,
 771                                         Optional.empty(),
 772                                         Optional.empty(),
 773                                         Optional.empty(),
 774                                         getAttachments(extras),
 775                                         Optional.empty(),
 776                                         Optional.empty(),
 777                                         List.of(),
 778                                         List.of(),
 779                                         List.of()))),
 780                                 Optional.empty(),
 781                                 List.of(),
 782                                 List.of(),
 783                                 Optional.empty(),
 784                                 Optional.empty(),
 785                                 Optional.empty(),
 786                                 Optional.empty())),
 787                         Optional.empty());
 788                 notifyMessageHandlers(envelope);
 789             };
 790             connection.addSigHandler(Signal.SyncMessageReceivedV2.class, signal, this.dbusSyncHandler);
 791         } catch (DBusException e) {
 792             e.printStackTrace();
 793         }
 794         signal.subscribeReceive();
 795     }
 796
 797     private void notifyMessageHandlers(final MessageEnvelope envelope) {
 798         synchronized (messageHandlers) {
 799             Stream.concat(messageHandlers.stream(), weakHandlers.stream())
 800                     .forEach(h -> h.handleMessage(envelope, null));
 801         }
 802     }
 803
 804     private void uninstallMessageHandlers() {
 805         try {
 806             signal.unsubscribeReceive();
 807             connection.removeSigHandler(Signal.MessageReceivedV2.class, signal, this.dbusMsgHandler);
 808             connection.removeSigHandler(Signal.ReceiptReceivedV2.class, signal, this.dbusRcptHandler);
 809             connection.removeSigHandler(Signal.SyncMessageReceivedV2.class, signal, this.dbusSyncHandler);
 810         } catch (DBusException e) {
 811             e.printStackTrace();
 812         }
 813     }
 814
 815     private List<MessageEnvelope.Data.Attachment> getAttachments(final Map<String, Variant<?>> extras) {
 816         if (!extras.containsKey("attachments")) {
 817             return List.of();
 818         }
 819
 820         final List<DBusMap<String, Variant<?>>> attachments = getValue(extras, "attachments");
 821         return attachments.stream().map(a -> {
 822             final String file = a.containsKey("file") ? getValue(a, "file") : null;
 823             return new MessageEnvelope.Data.Attachment(a.containsKey("remoteId")
 824                     ? Optional.of(getValue(a, "remoteId"))
 825                     : Optional.empty(),
 826                     file != null ? Optional.of(new File(file)) : Optional.empty(),
 827                     Optional.empty(),
 828                     getValue(a, "contentType"),
 829                     Optional.empty(),
 830                     Optional.empty(),
 831                     Optional.empty(),
 832                     Optional.empty(),
 833                     Optional.empty(),
 834                     Optional.empty(),
 835                     Optional.empty(),
 836                     getValue(a, "isVoiceNote"),
 837                     getValue(a, "isGif"),
 838                     getValue(a, "isBorderless"));
 839         }).toList();
 840     }
 841
 842     @SuppressWarnings("unchecked")
 843     private <T> T getValue(
 844             final Map<String, Variant<?>> stringVariantMap, final String field
 845     ) {
 846         return (T) stringVariantMap.get(field).getValue();
 847     }
 848 }