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

   1 package org.asamk.signal.dbus;
   2
   3 import org.asamk.Signal;
   4 import org.asamk.signal.BaseConfig;
   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.Identity;
  10 import org.asamk.signal.manager.api.InactiveGroupLinkException;
  11 import org.asamk.signal.manager.api.InvalidDeviceLinkException;
  12 import org.asamk.signal.manager.api.InvalidNumberException;
  13 import org.asamk.signal.manager.api.Message;
  14 import org.asamk.signal.manager.api.Pair;
  15 import org.asamk.signal.manager.api.RecipientIdentifier;
  16 import org.asamk.signal.manager.api.SendMessageResult;
  17 import org.asamk.signal.manager.api.SendMessageResults;
  18 import org.asamk.signal.manager.api.TypingAction;
  19 import org.asamk.signal.manager.api.UnregisteredRecipientException;
  20 import org.asamk.signal.manager.api.UpdateGroup;
  21 import org.asamk.signal.manager.groups.GroupId;
  22 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  23 import org.asamk.signal.manager.groups.GroupLinkState;
  24 import org.asamk.signal.manager.groups.GroupNotFoundException;
  25 import org.asamk.signal.manager.groups.GroupPermission;
  26 import org.asamk.signal.manager.groups.GroupSendingNotAllowedException;
  27 import org.asamk.signal.manager.groups.LastGroupAdminException;
  28 import org.asamk.signal.manager.groups.NotAGroupMemberException;
  29 import org.asamk.signal.manager.storage.recipients.Profile;
  30 import org.asamk.signal.manager.storage.recipients.RecipientAddress;
  31 import org.asamk.signal.util.SendMessageResultUtils;
  32 import org.freedesktop.dbus.DBusPath;
  33 import org.freedesktop.dbus.connections.impl.DBusConnection;
  34 import org.freedesktop.dbus.exceptions.DBusException;
  35 import org.freedesktop.dbus.exceptions.DBusExecutionException;
  36 import org.freedesktop.dbus.interfaces.DBusInterface;
  37 import org.freedesktop.dbus.types.Variant;
  38 import org.slf4j.Logger;
  39 import org.slf4j.LoggerFactory;
  40
  41 import java.io.File;
  42 import java.io.IOException;
  43 import java.net.URI;
  44 import java.net.URISyntaxException;
  45 import java.util.ArrayList;
  46 import java.util.Arrays;
  47 import java.util.Base64;
  48 import java.util.Collection;
  49 import java.util.HashSet;
  50 import java.util.List;
  51 import java.util.Map;
  52 import java.util.Objects;
  53 import java.util.Optional;
  54 import java.util.Set;
  55 import java.util.UUID;
  56 import java.util.stream.Collectors;
  57 import java.util.stream.Stream;
  58
  59 public class DbusSignalImpl implements Signal {
  60
  61     private final Manager m;
  62     private final DBusConnection connection;
  63     private final String objectPath;
  64     private final boolean noReceiveOnStart;
  65
  66     private DBusPath thisDevice;
  67     private final List<StructDevice> devices = new ArrayList<>();
  68     private final List<StructGroup> groups = new ArrayList<>();
  69     private DbusReceiveMessageHandler dbusMessageHandler;
  70     private int subscriberCount;
  71
  72     private final static Logger logger = LoggerFactory.getLogger(DbusSignalImpl.class);
  73
  74     public DbusSignalImpl(
  75             final Manager m, DBusConnection connection, final String objectPath, final boolean noReceiveOnStart
  76     ) {
  77         this.m = m;
  78         this.connection = connection;
  79         this.objectPath = objectPath;
  80         this.noReceiveOnStart = noReceiveOnStart;
  81     }
  82
  83     public void initObjects() {
  84         if (!noReceiveOnStart) {
  85             subscribeReceive();
  86         }
  87
  88         updateDevices();
  89         updateGroups();
  90         updateConfiguration();
  91     }
  92
  93     public void close() {
  94         if (dbusMessageHandler != null) {
  95             m.removeReceiveHandler(dbusMessageHandler);
  96             dbusMessageHandler = null;
  97         }
  98         unExportDevices();
  99         unExportGroups();
 100         unExportConfiguration();
 101     }
 102
 103     @Override
 104     public String getObjectPath() {
 105         return objectPath;
 106     }
 107
 108     @Override
 109     public String getSelfNumber() {
 110         return m.getSelfNumber();
 111     }
 112
 113     @Override
 114     public void subscribeReceive() {
 115         if (dbusMessageHandler == null) {
 116             dbusMessageHandler = new DbusReceiveMessageHandler(connection, objectPath);
 117             m.addReceiveHandler(dbusMessageHandler);
 118         }
 119         subscriberCount++;
 120     }
 121
 122     @Override
 123     public void unsubscribeReceive() {
 124         subscriberCount = Math.max(0, subscriberCount - 1);
 125         if (subscriberCount == 0 && dbusMessageHandler != null) {
 126             m.removeReceiveHandler(dbusMessageHandler);
 127             dbusMessageHandler = null;
 128         }
 129     }
 130
 131     @Override
 132     public void submitRateLimitChallenge(String challenge, String captcha) {
 133         try {
 134             m.submitRateLimitRecaptchaChallenge(challenge, captcha);
 135         } catch (IOException e) {
 136             throw new Error.Failure("Submit challenge error: " + e.getMessage());
 137         }
 138
 139     }
 140
 141     @Override
 142     public void unregister() throws Error.Failure {
 143         try {
 144             m.unregister();
 145         } catch (IOException e) {
 146             throw new Error.Failure("Failed to unregister: " + e.getMessage());
 147         }
 148     }
 149
 150     @Override
 151     public void deleteAccount() throws Error.Failure {
 152         try {
 153             m.deleteAccount();
 154         } catch (IOException e) {
 155             throw new Error.Failure("Failed to delete account: " + e.getMessage());
 156         }
 157     }
 158
 159     @Override
 160     public void addDevice(String uri) {
 161         try {
 162             m.addDeviceLink(new URI(uri));
 163         } catch (IOException | InvalidDeviceLinkException e) {
 164             throw new Error.Failure(e.getClass().getSimpleName() + " Add device link failed. " + e.getMessage());
 165         } catch (URISyntaxException e) {
 166             throw new Error.InvalidUri(e.getClass().getSimpleName()
 167                     + " Device link uri has invalid format: "
 168                     + e.getMessage());
 169         }
 170     }
 171
 172     @Override
 173     public DBusPath getDevice(long deviceId) {
 174         updateDevices();
 175         final var deviceOptional = devices.stream().filter(g -> g.getId().equals(deviceId)).findFirst();
 176         if (deviceOptional.isEmpty()) {
 177             throw new Error.DeviceNotFound("Device not found");
 178         }
 179         return deviceOptional.get().getObjectPath();
 180     }
 181
 182     @Override
 183     public List<StructDevice> listDevices() {
 184         updateDevices();
 185         return this.devices;
 186     }
 187
 188     @Override
 189     public DBusPath getThisDevice() {
 190         updateDevices();
 191         return thisDevice;
 192     }
 193
 194     @Override
 195     public long sendMessage(final String message, final List<String> attachments, final String recipient) {
 196         return sendMessage(message, attachments, List.of(recipient));
 197     }
 198
 199     @Override
 200     public long sendMessage(final String message, final List<String> attachments, final List<String> recipients) {
 201         try {
 202             final var results = m.sendMessage(new Message(message, attachments, List.of(), Optional.empty()),
 203                     getSingleRecipientIdentifiers(recipients, m.getSelfNumber()).stream()
 204                             .map(RecipientIdentifier.class::cast)
 205                             .collect(Collectors.toSet()));
 206
 207             checkSendMessageResults(results);
 208             return results.timestamp();
 209         } catch (AttachmentInvalidException e) {
 210             throw new Error.AttachmentInvalid(e.getMessage());
 211         } catch (IOException e) {
 212             throw new Error.Failure(e);
 213         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 214             throw new Error.GroupNotFound(e.getMessage());
 215         } catch (UnregisteredRecipientException e) {
 216             throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
 217         }
 218     }
 219
 220     @Override
 221     public long sendRemoteDeleteMessage(
 222             final long targetSentTimestamp, final String recipient
 223     ) {
 224         return sendRemoteDeleteMessage(targetSentTimestamp, List.of(recipient));
 225     }
 226
 227     @Override
 228     public long sendRemoteDeleteMessage(
 229             final long targetSentTimestamp, final List<String> recipients
 230     ) {
 231         try {
 232             final var results = m.sendRemoteDeleteMessage(targetSentTimestamp,
 233                     getSingleRecipientIdentifiers(recipients, m.getSelfNumber()).stream()
 234                             .map(RecipientIdentifier.class::cast)
 235                             .collect(Collectors.toSet()));
 236             checkSendMessageResults(results);
 237             return results.timestamp();
 238         } catch (IOException e) {
 239             throw new Error.Failure(e.getMessage());
 240         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 241             throw new Error.GroupNotFound(e.getMessage());
 242         }
 243     }
 244
 245     @Override
 246     public long sendMessageReaction(
 247             final String emoji,
 248             final boolean remove,
 249             final String targetAuthor,
 250             final long targetSentTimestamp,
 251             final String recipient
 252     ) {
 253         return sendMessageReaction(emoji, remove, targetAuthor, targetSentTimestamp, List.of(recipient));
 254     }
 255
 256     @Override
 257     public long sendMessageReaction(
 258             final String emoji,
 259             final boolean remove,
 260             final String targetAuthor,
 261             final long targetSentTimestamp,
 262             final List<String> recipients
 263     ) {
 264         try {
 265             final var results = m.sendMessageReaction(emoji,
 266                     remove,
 267                     getSingleRecipientIdentifier(targetAuthor, m.getSelfNumber()),
 268                     targetSentTimestamp,
 269                     getSingleRecipientIdentifiers(recipients, m.getSelfNumber()).stream()
 270                             .map(RecipientIdentifier.class::cast)
 271                             .collect(Collectors.toSet()));
 272             checkSendMessageResults(results);
 273             return results.timestamp();
 274         } catch (IOException e) {
 275             throw new Error.Failure(e.getMessage());
 276         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 277             throw new Error.GroupNotFound(e.getMessage());
 278         } catch (UnregisteredRecipientException e) {
 279             throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
 280         }
 281     }
 282
 283     @Override
 284     public void sendTyping(
 285             final String recipient, final boolean stop
 286     ) throws Error.Failure, Error.GroupNotFound, Error.UntrustedIdentity {
 287         try {
 288             final var results = m.sendTypingMessage(stop ? TypingAction.STOP : TypingAction.START,
 289                     getSingleRecipientIdentifiers(List.of(recipient), m.getSelfNumber()).stream()
 290                             .map(RecipientIdentifier.class::cast)
 291                             .collect(Collectors.toSet()));
 292             checkSendMessageResults(results);
 293         } catch (IOException e) {
 294             throw new Error.Failure(e.getMessage());
 295         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 296             throw new Error.GroupNotFound(e.getMessage());
 297         }
 298     }
 299
 300     @Override
 301     public void sendReadReceipt(
 302             final String recipient, final List<Long> messageIds
 303     ) throws Error.Failure, Error.UntrustedIdentity {
 304         try {
 305             final var results = m.sendReadReceipt(getSingleRecipientIdentifier(recipient, m.getSelfNumber()),
 306                     messageIds);
 307             checkSendMessageResults(results);
 308         } catch (IOException e) {
 309             throw new Error.Failure(e.getMessage());
 310         }
 311     }
 312
 313     @Override
 314     public void sendViewedReceipt(
 315             final String recipient, final List<Long> messageIds
 316     ) throws Error.Failure, Error.UntrustedIdentity {
 317         try {
 318             final var results = m.sendViewedReceipt(getSingleRecipientIdentifier(recipient, m.getSelfNumber()),
 319                     messageIds);
 320             checkSendMessageResults(results);
 321         } catch (IOException e) {
 322             throw new Error.Failure(e.getMessage());
 323         }
 324     }
 325
 326     @Override
 327     public void sendContacts() {
 328         try {
 329             m.sendContacts();
 330         } catch (IOException e) {
 331             throw new Error.Failure("SendContacts error: " + e.getMessage());
 332         }
 333     }
 334
 335     @Override
 336     public void sendSyncRequest() {
 337         try {
 338             m.requestAllSyncData();
 339         } catch (IOException e) {
 340             throw new Error.Failure("Request sync data error: " + e.getMessage());
 341         }
 342     }
 343
 344     @Override
 345     public long sendNoteToSelfMessage(
 346             final String message, final List<String> attachments
 347     ) throws Error.AttachmentInvalid, Error.Failure, Error.UntrustedIdentity {
 348         try {
 349             final var results = m.sendMessage(new Message(message, attachments, List.of(), Optional.empty()),
 350                     Set.of(RecipientIdentifier.NoteToSelf.INSTANCE));
 351             checkSendMessageResults(results);
 352             return results.timestamp();
 353         } catch (AttachmentInvalidException e) {
 354             throw new Error.AttachmentInvalid(e.getMessage());
 355         } catch (IOException e) {
 356             throw new Error.Failure(e.getMessage());
 357         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 358             throw new Error.GroupNotFound(e.getMessage());
 359         } catch (UnregisteredRecipientException e) {
 360             throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
 361         }
 362     }
 363
 364     @Override
 365     public void sendEndSessionMessage(final List<String> recipients) {
 366         try {
 367             final var results = m.sendEndSessionMessage(getSingleRecipientIdentifiers(recipients, m.getSelfNumber()));
 368             checkSendMessageResults(results);
 369         } catch (IOException e) {
 370             throw new Error.Failure(e.getMessage());
 371         }
 372     }
 373
 374     @Override
 375     public void deleteRecipient(final String recipient) throws Error.Failure {
 376         m.deleteRecipient(getSingleRecipientIdentifier(recipient, m.getSelfNumber()));
 377     }
 378
 379     @Override
 380     public void deleteContact(final String recipient) throws Error.Failure {
 381         m.deleteContact(getSingleRecipientIdentifier(recipient, m.getSelfNumber()));
 382     }
 383
 384     @Override
 385     public long sendGroupMessage(final String message, final List<String> attachments, final byte[] groupId) {
 386         try {
 387             var results = m.sendMessage(new Message(message, attachments, List.of(), Optional.empty()),
 388                     Set.of(getGroupRecipientIdentifier(groupId)));
 389             checkSendMessageResults(results);
 390             return results.timestamp();
 391         } catch (IOException e) {
 392             throw new Error.Failure(e.getMessage());
 393         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 394             throw new Error.GroupNotFound(e.getMessage());
 395         } catch (AttachmentInvalidException e) {
 396             throw new Error.AttachmentInvalid(e.getMessage());
 397         } catch (UnregisteredRecipientException e) {
 398             throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
 399         }
 400     }
 401
 402     @Override
 403     public void sendGroupTyping(
 404             final byte[] groupId, final boolean stop
 405     ) throws Error.Failure, Error.GroupNotFound, Error.UntrustedIdentity {
 406         try {
 407             final var results = m.sendTypingMessage(stop ? TypingAction.STOP : TypingAction.START,
 408                     Set.of(getGroupRecipientIdentifier(groupId)));
 409             checkSendMessageResults(results);
 410         } catch (IOException e) {
 411             throw new Error.Failure(e.getMessage());
 412         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 413             throw new Error.GroupNotFound(e.getMessage());
 414         }
 415     }
 416
 417     @Override
 418     public long sendGroupRemoteDeleteMessage(
 419             final long targetSentTimestamp, final byte[] groupId
 420     ) {
 421         try {
 422             final var results = m.sendRemoteDeleteMessage(targetSentTimestamp,
 423                     Set.of(getGroupRecipientIdentifier(groupId)));
 424             checkSendMessageResults(results);
 425             return results.timestamp();
 426         } catch (IOException e) {
 427             throw new Error.Failure(e.getMessage());
 428         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 429             throw new Error.GroupNotFound(e.getMessage());
 430         }
 431     }
 432
 433     @Override
 434     public long sendGroupMessageReaction(
 435             final String emoji,
 436             final boolean remove,
 437             final String targetAuthor,
 438             final long targetSentTimestamp,
 439             final byte[] groupId
 440     ) {
 441         try {
 442             final var results = m.sendMessageReaction(emoji,
 443                     remove,
 444                     getSingleRecipientIdentifier(targetAuthor, m.getSelfNumber()),
 445                     targetSentTimestamp,
 446                     Set.of(getGroupRecipientIdentifier(groupId)));
 447             checkSendMessageResults(results);
 448             return results.timestamp();
 449         } catch (IOException e) {
 450             throw new Error.Failure(e.getMessage());
 451         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 452             throw new Error.GroupNotFound(e.getMessage());
 453         } catch (UnregisteredRecipientException e) {
 454             throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
 455         }
 456     }
 457
 458     // Since contact names might be empty if not defined, also potentially return
 459     // the profile name
 460     @Override
 461     public String getContactName(final String number) {
 462         final var name = m.getContactOrProfileName(getSingleRecipientIdentifier(number, m.getSelfNumber()));
 463         return name == null ? "" : name;
 464     }
 465
 466     @Override
 467     public void setContactName(final String number, final String name) {
 468         try {
 469             m.setContactName(getSingleRecipientIdentifier(number, m.getSelfNumber()), name);
 470         } catch (NotMasterDeviceException e) {
 471             throw new Error.Failure("This command doesn't work on linked devices.");
 472         } catch (IOException e) {
 473             throw new Error.Failure("Contact is not registered.");
 474         } catch (UnregisteredRecipientException e) {
 475             throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
 476         }
 477     }
 478
 479     @Override
 480     public void setExpirationTimer(final String number, final int expiration) {
 481         try {
 482             m.setExpirationTimer(getSingleRecipientIdentifier(number, m.getSelfNumber()), expiration);
 483         } catch (IOException e) {
 484             throw new Error.Failure(e.getMessage());
 485         } catch (UnregisteredRecipientException e) {
 486             throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
 487         }
 488     }
 489
 490     @Override
 491     public void setContactBlocked(final String number, final boolean blocked) {
 492         try {
 493             m.setContactBlocked(getSingleRecipientIdentifier(number, m.getSelfNumber()), blocked);
 494         } catch (NotMasterDeviceException e) {
 495             throw new Error.Failure("This command doesn't work on linked devices.");
 496         } catch (IOException e) {
 497             throw new Error.Failure(e.getMessage());
 498         } catch (UnregisteredRecipientException e) {
 499             throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
 500         }
 501     }
 502
 503     @Override
 504     public void setGroupBlocked(final byte[] groupId, final boolean blocked) {
 505         try {
 506             m.setGroupBlocked(getGroupId(groupId), blocked);
 507         } catch (NotMasterDeviceException e) {
 508             throw new Error.Failure("This command doesn't work on linked devices.");
 509         } catch (GroupNotFoundException e) {
 510             throw new Error.GroupNotFound(e.getMessage());
 511         } catch (IOException e) {
 512             throw new Error.Failure(e.getMessage());
 513         }
 514     }
 515
 516     @Override
 517     public List<byte[]> getGroupIds() {
 518         var groups = m.getGroups();
 519         return groups.stream().map(g -> g.groupId().serialize()).toList();
 520     }
 521
 522     @Override
 523     public DBusPath getGroup(final byte[] groupId) {
 524         updateGroups();
 525         final var groupOptional = groups.stream().filter(g -> Arrays.equals(g.getId(), groupId)).findFirst();
 526         if (groupOptional.isEmpty()) {
 527             throw new Error.GroupNotFound("Group not found");
 528         }
 529         return groupOptional.get().getObjectPath();
 530     }
 531
 532     @Override
 533     public List<StructGroup> listGroups() {
 534         updateGroups();
 535         return groups;
 536     }
 537
 538     @Override
 539     public String getGroupName(final byte[] groupId) {
 540         var group = m.getGroup(getGroupId(groupId));
 541         if (group == null || group.title() == null) {
 542             return "";
 543         } else {
 544             return group.title();
 545         }
 546     }
 547
 548     @Override
 549     public List<String> getGroupMembers(final byte[] groupId) {
 550         var group = m.getGroup(getGroupId(groupId));
 551         if (group == null) {
 552             return List.of();
 553         } else {
 554             final var members = group.members();
 555             return getRecipientStrings(members);
 556         }
 557     }
 558
 559     @Override
 560     public byte[] createGroup(
 561             final String name, final List<String> members, final String avatar
 562     ) throws Error.AttachmentInvalid, Error.Failure, Error.InvalidNumber {
 563         return updateGroup(new byte[0], name, members, avatar);
 564     }
 565
 566     @Override
 567     public byte[] updateGroup(byte[] groupId, String name, List<String> members, String avatar) {
 568         try {
 569             groupId = nullIfEmpty(groupId);
 570             name = nullIfEmpty(name);
 571             avatar = nullIfEmpty(avatar);
 572             final var memberIdentifiers = getSingleRecipientIdentifiers(members, m.getSelfNumber());
 573             if (groupId == null) {
 574                 final var results = m.createGroup(name, memberIdentifiers, avatar == null ? null : new File(avatar));
 575                 updateGroups();
 576                 checkGroupSendMessageResults(results.second().timestamp(), results.second().results());
 577                 return results.first().serialize();
 578             } else {
 579                 final var results = m.updateGroup(getGroupId(groupId),
 580                         UpdateGroup.newBuilder()
 581                                 .withName(name)
 582                                 .withMembers(memberIdentifiers)
 583                                 .withAvatarFile(avatar == null ? null : new File(avatar))
 584                                 .build());
 585                 if (results != null) {
 586                     checkGroupSendMessageResults(results.timestamp(), results.results());
 587                 }
 588                 return groupId;
 589             }
 590         } catch (IOException e) {
 591             throw new Error.Failure(e.getMessage());
 592         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 593             throw new Error.GroupNotFound(e.getMessage());
 594         } catch (AttachmentInvalidException e) {
 595             throw new Error.AttachmentInvalid(e.getMessage());
 596         } catch (UnregisteredRecipientException e) {
 597             throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
 598         }
 599     }
 600
 601     @Override
 602     public boolean isRegistered() {
 603         return true;
 604     }
 605
 606     @Override
 607     public boolean isRegistered(String number) {
 608         var result = isRegistered(List.of(number));
 609         return result.get(0);
 610     }
 611
 612     @Override
 613     public List<Boolean> isRegistered(List<String> numbers) {
 614         if (numbers.isEmpty()) {
 615             return List.of();
 616         }
 617
 618         Map<String, Pair<String, UUID>> registered;
 619         try {
 620             registered = m.areUsersRegistered(new HashSet<>(numbers));
 621         } catch (IOException e) {
 622             throw new Error.Failure(e.getMessage());
 623         }
 624
 625         return numbers.stream().map(number -> {
 626             var uuid = registered.get(number).second();
 627             return uuid != null;
 628         }).toList();
 629     }
 630
 631     @Override
 632     public void updateProfile(
 633             String givenName,
 634             String familyName,
 635             String about,
 636             String aboutEmoji,
 637             String avatarPath,
 638             final boolean removeAvatar
 639     ) {
 640         try {
 641             givenName = nullIfEmpty(givenName);
 642             familyName = nullIfEmpty(familyName);
 643             about = nullIfEmpty(about);
 644             aboutEmoji = nullIfEmpty(aboutEmoji);
 645             avatarPath = nullIfEmpty(avatarPath);
 646             Optional<File> avatarFile = removeAvatar
 647                     ? Optional.empty()
 648                     : avatarPath == null ? null : Optional.of(new File(avatarPath));
 649             m.setProfile(givenName, familyName, about, aboutEmoji, avatarFile);
 650         } catch (IOException e) {
 651             throw new Error.Failure(e.getMessage());
 652         }
 653     }
 654
 655     @Override
 656     public void updateProfile(
 657             final String name,
 658             final String about,
 659             final String aboutEmoji,
 660             String avatarPath,
 661             final boolean removeAvatar
 662     ) {
 663         updateProfile(name, "", about, aboutEmoji, avatarPath, removeAvatar);
 664     }
 665
 666     @Override
 667     public void removePin() {
 668         try {
 669             m.setRegistrationLockPin(Optional.empty());
 670         } catch (IOException e) {
 671             throw new Error.Failure("Remove pin error: " + e.getMessage());
 672         }
 673     }
 674
 675     @Override
 676     public void setPin(String registrationLockPin) {
 677         try {
 678             m.setRegistrationLockPin(Optional.of(registrationLockPin));
 679         } catch (IOException e) {
 680             throw new Error.Failure("Set pin error: " + e.getMessage());
 681         }
 682     }
 683
 684     // Provide option to query a version string in order to react on potential
 685     // future interface changes
 686     @Override
 687     public String version() {
 688         return BaseConfig.PROJECT_VERSION;
 689     }
 690
 691     // Create a unique list of Numbers from Identities and Contacts to really get
 692     // all numbers the system knows
 693     @Override
 694     public List<String> listNumbers() {
 695         return Stream.concat(m.getIdentities().stream().map(Identity::recipient),
 696                         m.getContacts().stream().map(Pair::first))
 697                 .map(a -> a.number().orElse(null))
 698                 .filter(Objects::nonNull)
 699                 .distinct()
 700                 .toList();
 701     }
 702
 703     @Override
 704     public List<String> getContactNumber(final String name) {
 705         // Contact names have precedence.
 706         var numbers = new ArrayList<String>();
 707         var contacts = m.getContacts();
 708         for (var c : contacts) {
 709             if (name.equals(c.second().getName())) {
 710                 numbers.add(c.first().getLegacyIdentifier());
 711             }
 712         }
 713         // Try profiles if no contact name was found
 714         for (var identity : m.getIdentities()) {
 715             final var address = identity.recipient();
 716             var number = address.number().orElse(null);
 717             if (number != null) {
 718                 Profile profile = null;
 719                 try {
 720                     profile = m.getRecipientProfile(RecipientIdentifier.Single.fromAddress(address));
 721                 } catch (IOException | UnregisteredRecipientException ignored) {
 722                 }
 723                 if (profile != null && profile.getDisplayName().equals(name)) {
 724                     numbers.add(number);
 725                 }
 726             }
 727         }
 728         return numbers;
 729     }
 730
 731     @Override
 732     public void quitGroup(final byte[] groupId) {
 733         var group = getGroupId(groupId);
 734         try {
 735             m.quitGroup(group, Set.of());
 736         } catch (GroupNotFoundException | NotAGroupMemberException e) {
 737             throw new Error.GroupNotFound(e.getMessage());
 738         } catch (IOException | LastGroupAdminException e) {
 739             throw new Error.Failure(e.getMessage());
 740         } catch (UnregisteredRecipientException e) {
 741             throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
 742         }
 743     }
 744
 745     @Override
 746     public byte[] joinGroup(final String groupLink) {
 747         try {
 748             final var linkUrl = GroupInviteLinkUrl.fromUri(groupLink);
 749             if (linkUrl == null) {
 750                 throw new Error.Failure("Group link is invalid:");
 751             }
 752             final var result = m.joinGroup(linkUrl);
 753             return result.first().serialize();
 754         } catch (GroupInviteLinkUrl.InvalidGroupLinkException | InactiveGroupLinkException e) {
 755             throw new Error.Failure("Group link is invalid: " + e.getMessage());
 756         } catch (GroupInviteLinkUrl.UnknownGroupLinkVersionException e) {
 757             throw new Error.Failure("Group link was created with an incompatible version: " + e.getMessage());
 758         } catch (IOException e) {
 759             throw new Error.Failure(e.getMessage());
 760         }
 761     }
 762
 763     @Override
 764     public boolean isContactBlocked(final String number) {
 765         return m.isContactBlocked(getSingleRecipientIdentifier(number, m.getSelfNumber()));
 766     }
 767
 768     @Override
 769     public boolean isGroupBlocked(final byte[] groupId) {
 770         var group = m.getGroup(getGroupId(groupId));
 771         if (group == null) {
 772             return false;
 773         } else {
 774             return group.isBlocked();
 775         }
 776     }
 777
 778     @Override
 779     public boolean isMember(final byte[] groupId) {
 780         var group = m.getGroup(getGroupId(groupId));
 781         if (group == null) {
 782             return false;
 783         } else {
 784             return group.isMember();
 785         }
 786     }
 787
 788     @Override
 789     public String uploadStickerPack(String stickerPackPath) {
 790         File path = new File(stickerPackPath);
 791         try {
 792             return m.uploadStickerPack(path).toString();
 793         } catch (IOException e) {
 794             throw new Error.Failure("Upload error (maybe image size is too large):" + e.getMessage());
 795         } catch (StickerPackInvalidException e) {
 796             throw new Error.Failure("Invalid sticker pack: " + e.getMessage());
 797         }
 798     }
 799
 800     private static void checkSendMessageResult(long timestamp, SendMessageResult result) throws DBusExecutionException {
 801         var error = SendMessageResultUtils.getErrorMessageFromSendMessageResult(result);
 802
 803         if (error == null) {
 804             return;
 805         }
 806
 807         final var message = "\nFailed to send message:\n" + error + '\n' + timestamp;
 808
 809         if (result.isIdentityFailure()) {
 810             throw new Error.UntrustedIdentity(message);
 811         } else {
 812             throw new Error.Failure(message);
 813         }
 814     }
 815
 816     private void checkSendMessageResults(final SendMessageResults results) {
 817         final var sendMessageResults = results.results().values().stream().findFirst();
 818         if (results.results().size() == 1 && sendMessageResults.get().size() == 1) {
 819             checkSendMessageResult(results.timestamp(), sendMessageResults.get().stream().findFirst().get());
 820             return;
 821         }
 822
 823         if (results.hasSuccess()) {
 824             return;
 825         }
 826
 827         var message = new StringBuilder();
 828         message.append("Failed to send messages:\n");
 829         var errors = SendMessageResultUtils.getErrorMessagesFromSendMessageResults(results.results());
 830         for (var error : errors) {
 831             message.append(error).append('\n');
 832         }
 833         message.append(results.timestamp());
 834
 835         throw new Error.Failure(message.toString());
 836     }
 837
 838     private static void checkGroupSendMessageResults(
 839             long timestamp, Collection<SendMessageResult> results
 840     ) throws DBusExecutionException {
 841         if (results.size() == 1) {
 842             checkSendMessageResult(timestamp, results.stream().findFirst().get());
 843             return;
 844         }
 845
 846         var errors = SendMessageResultUtils.getErrorMessagesFromSendMessageResults(results);
 847         if (errors.size() < results.size()) {
 848             return;
 849         }
 850
 851         var message = new StringBuilder();
 852         message.append("Failed to send message:\n");
 853         for (var error : errors) {
 854             message.append(error).append('\n');
 855         }
 856         message.append(timestamp);
 857
 858         throw new Error.Failure(message.toString());
 859     }
 860
 861     private static List<String> getRecipientStrings(final Set<RecipientAddress> members) {
 862         return members.stream().map(RecipientAddress::getLegacyIdentifier).toList();
 863     }
 864
 865     private static Set<RecipientIdentifier.Single> getSingleRecipientIdentifiers(
 866             final Collection<String> recipientStrings, final String localNumber
 867     ) throws DBusExecutionException {
 868         final var identifiers = new HashSet<RecipientIdentifier.Single>();
 869         for (var recipientString : recipientStrings) {
 870             identifiers.add(getSingleRecipientIdentifier(recipientString, localNumber));
 871         }
 872         return identifiers;
 873     }
 874
 875     private static RecipientIdentifier.Single getSingleRecipientIdentifier(
 876             final String recipientString, final String localNumber
 877     ) throws DBusExecutionException {
 878         try {
 879             return RecipientIdentifier.Single.fromString(recipientString, localNumber);
 880         } catch (InvalidNumberException e) {
 881             throw new Error.InvalidNumber(e.getMessage());
 882         }
 883     }
 884
 885     private RecipientIdentifier.Group getGroupRecipientIdentifier(final byte[] groupId) {
 886         return new RecipientIdentifier.Group(getGroupId(groupId));
 887     }
 888
 889     private static GroupId getGroupId(byte[] groupId) throws DBusExecutionException {
 890         try {
 891             return GroupId.unknownVersion(groupId);
 892         } catch (Throwable e) {
 893             throw new Error.InvalidGroupId("Invalid group id: " + e.getMessage());
 894         }
 895     }
 896
 897     private byte[] nullIfEmpty(final byte[] array) {
 898         return array.length == 0 ? null : array;
 899     }
 900
 901     private String nullIfEmpty(final String name) {
 902         return name.isEmpty() ? null : name;
 903     }
 904
 905     private String emptyIfNull(final String string) {
 906         return string == null ? "" : string;
 907     }
 908
 909     private static String getDeviceObjectPath(String basePath, long deviceId) {
 910         return basePath + "/Devices/" + deviceId;
 911     }
 912
 913     private void updateDevices() {
 914         List<org.asamk.signal.manager.api.Device> linkedDevices;
 915         try {
 916             linkedDevices = m.getLinkedDevices();
 917         } catch (IOException e) {
 918             throw new Error.Failure("Failed to get linked devices: " + e.getMessage());
 919         }
 920
 921         unExportDevices();
 922
 923         linkedDevices.forEach(d -> {
 924             final var object = new DbusSignalDeviceImpl(d);
 925             final var deviceObjectPath = object.getObjectPath();
 926             exportObject(object);
 927             if (d.isThisDevice()) {
 928                 thisDevice = new DBusPath(deviceObjectPath);
 929             }
 930             this.devices.add(new StructDevice(new DBusPath(deviceObjectPath), d.id(), emptyIfNull(d.name())));
 931         });
 932     }
 933
 934     private void unExportDevices() {
 935         this.devices.stream()
 936                 .map(StructDevice::getObjectPath)
 937                 .map(DBusPath::getPath)
 938                 .forEach(connection::unExportObject);
 939         this.devices.clear();
 940     }
 941
 942     private static String getGroupObjectPath(String basePath, byte[] groupId) {
 943         return basePath + "/Groups/" + Base64.getEncoder()
 944                 .encodeToString(groupId)
 945                 .replace("+", "_")
 946                 .replace("/", "_")
 947                 .replace("=", "_");
 948     }
 949
 950     private void updateGroups() {
 951         List<org.asamk.signal.manager.api.Group> groups;
 952         groups = m.getGroups();
 953
 954         unExportGroups();
 955
 956         groups.forEach(g -> {
 957             final var object = new DbusSignalGroupImpl(g.groupId());
 958             exportObject(object);
 959             this.groups.add(new StructGroup(new DBusPath(object.getObjectPath()),
 960                     g.groupId().serialize(),
 961                     emptyIfNull(g.title())));
 962         });
 963     }
 964
 965     private void unExportGroups() {
 966         this.groups.stream().map(StructGroup::getObjectPath).map(DBusPath::getPath).forEach(connection::unExportObject);
 967         this.groups.clear();
 968     }
 969
 970     private static String getConfigurationObjectPath(String basePath) {
 971         return basePath + "/Configuration";
 972     }
 973
 974     private void updateConfiguration() {
 975         unExportConfiguration();
 976         final var object = new DbusSignalConfigurationImpl();
 977         exportObject(object);
 978     }
 979
 980     private void unExportConfiguration() {
 981         final var objectPath = getConfigurationObjectPath(this.objectPath);
 982         connection.unExportObject(objectPath);
 983     }
 984
 985     private void exportObject(final DBusInterface object) {
 986         try {
 987             connection.exportObject(object);
 988             logger.debug("Exported dbus object: " + object.getObjectPath());
 989         } catch (DBusException e) {
 990             e.printStackTrace();
 991         }
 992     }
 993
 994     public class DbusSignalDeviceImpl extends DbusProperties implements Signal.Device {
 995
 996         private final org.asamk.signal.manager.api.Device device;
 997
 998         public DbusSignalDeviceImpl(final org.asamk.signal.manager.api.Device device) {
 999             super.addPropertiesHandler(new DbusInterfacePropertiesHandler("org.asamk.Signal.Device",
1000                     List.of(new DbusProperty<>("Id", device::id),
1001                             new DbusProperty<>("Name", () -> emptyIfNull(device.name()), this::setDeviceName),
1002                             new DbusProperty<>("Created", device::created),
1003                             new DbusProperty<>("LastSeen", device::lastSeen))));
1004             this.device = device;
1005         }
1006
1007         @Override
1008         public String getObjectPath() {
1009             return getDeviceObjectPath(objectPath, device.id());
1010         }
1011
1012         @Override
1013         public void removeDevice() throws Error.Failure {
1014             try {
1015                 m.removeLinkedDevices(device.id());
1016                 updateDevices();
1017             } catch (IOException e) {
1018                 throw new Error.Failure(e.getMessage());
1019             }
1020         }
1021
1022         private void setDeviceName(String name) {
1023             if (!device.isThisDevice()) {
1024                 throw new Error.Failure("Only the name of this device can be changed");
1025             }
1026             try {
1027                 m.updateAccountAttributes(name);
1028                 // update device list
1029                 updateDevices();
1030             } catch (IOException e) {
1031                 throw new Error.Failure(e.getMessage());
1032             }
1033         }
1034     }
1035
1036     public class DbusSignalConfigurationImpl extends DbusProperties implements Signal.Configuration {
1037
1038         public DbusSignalConfigurationImpl(
1039         ) {
1040             super.addPropertiesHandler(new DbusInterfacePropertiesHandler("org.asamk.Signal.Configuration",
1041                     List.of(new DbusProperty<>("ReadReceipts", this::getReadReceipts, this::setReadReceipts),
1042                             new DbusProperty<>("UnidentifiedDeliveryIndicators",
1043                                     this::getUnidentifiedDeliveryIndicators,
1044                                     this::setUnidentifiedDeliveryIndicators),
1045                             new DbusProperty<>("TypingIndicators",
1046                                     this::getTypingIndicators,
1047                                     this::setTypingIndicators),
1048                             new DbusProperty<>("LinkPreviews", this::getLinkPreviews, this::setLinkPreviews))));
1049
1050         }
1051
1052         @Override
1053         public String getObjectPath() {
1054             return getConfigurationObjectPath(objectPath);
1055         }
1056
1057         public void setReadReceipts(Boolean readReceipts) {
1058             setConfiguration(readReceipts, null, null, null);
1059         }
1060
1061         public void setUnidentifiedDeliveryIndicators(Boolean unidentifiedDeliveryIndicators) {
1062             setConfiguration(null, unidentifiedDeliveryIndicators, null, null);
1063         }
1064
1065         public void setTypingIndicators(Boolean typingIndicators) {
1066             setConfiguration(null, null, typingIndicators, null);
1067         }
1068
1069         public void setLinkPreviews(Boolean linkPreviews) {
1070             setConfiguration(null, null, null, linkPreviews);
1071         }
1072
1073         private void setConfiguration(
1074                 Boolean readReceipts,
1075                 Boolean unidentifiedDeliveryIndicators,
1076                 Boolean typingIndicators,
1077                 Boolean linkPreviews
1078         ) {
1079             try {
1080                 m.updateConfiguration(new org.asamk.signal.manager.api.Configuration(Optional.ofNullable(readReceipts),
1081                         Optional.ofNullable(unidentifiedDeliveryIndicators),
1082                         Optional.ofNullable(typingIndicators),
1083                         Optional.ofNullable(linkPreviews)));
1084             } catch (IOException e) {
1085                 throw new Error.Failure("UpdateAccount error: " + e.getMessage());
1086             } catch (NotMasterDeviceException e) {
1087                 throw new Error.Failure("This command doesn't work on linked devices.");
1088             }
1089         }
1090
1091         private boolean getReadReceipts() {
1092             return m.getConfiguration().readReceipts().orElse(false);
1093         }
1094
1095         private boolean getUnidentifiedDeliveryIndicators() {
1096             return m.getConfiguration().unidentifiedDeliveryIndicators().orElse(false);
1097         }
1098
1099         private boolean getTypingIndicators() {
1100             return m.getConfiguration().typingIndicators().orElse(false);
1101         }
1102
1103         private boolean getLinkPreviews() {
1104             return m.getConfiguration().linkPreviews().orElse(false);
1105         }
1106     }
1107
1108     public class DbusSignalGroupImpl extends DbusProperties implements Signal.Group {
1109
1110         private final GroupId groupId;
1111
1112         public DbusSignalGroupImpl(final GroupId groupId) {
1113             this.groupId = groupId;
1114             super.addPropertiesHandler(new DbusInterfacePropertiesHandler("org.asamk.Signal.Group",
1115                     List.of(new DbusProperty<>("Id", groupId::serialize),
1116                             new DbusProperty<>("Name", () -> emptyIfNull(getGroup().title()), this::setGroupName),
1117                             new DbusProperty<>("Description",
1118                                     () -> emptyIfNull(getGroup().description()),
1119                                     this::setGroupDescription),
1120                             new DbusProperty<>("Avatar", this::setGroupAvatar),
1121                             new DbusProperty<>("IsBlocked", () -> getGroup().isBlocked(), this::setIsBlocked),
1122                             new DbusProperty<>("IsMember", () -> getGroup().isMember()),
1123                             new DbusProperty<>("IsAdmin", () -> getGroup().isAdmin()),
1124                             new DbusProperty<>("MessageExpirationTimer",
1125                                     () -> getGroup().messageExpirationTimer(),
1126                                     this::setMessageExpirationTime),
1127                             new DbusProperty<>("Members",
1128                                     () -> new Variant<>(getRecipientStrings(getGroup().members()), "as")),
1129                             new DbusProperty<>("PendingMembers",
1130                                     () -> new Variant<>(getRecipientStrings(getGroup().pendingMembers()), "as")),
1131                             new DbusProperty<>("RequestingMembers",
1132                                     () -> new Variant<>(getRecipientStrings(getGroup().requestingMembers()), "as")),
1133                             new DbusProperty<>("Admins",
1134                                     () -> new Variant<>(getRecipientStrings(getGroup().adminMembers()), "as")),
1135                             new DbusProperty<>("PermissionAddMember",
1136                                     () -> getGroup().permissionAddMember().name(),
1137                                     this::setGroupPermissionAddMember),
1138                             new DbusProperty<>("PermissionEditDetails",
1139                                     () -> getGroup().permissionEditDetails().name(),
1140                                     this::setGroupPermissionEditDetails),
1141                             new DbusProperty<>("PermissionSendMessage",
1142                                     () -> getGroup().permissionSendMessage().name(),
1143                                     this::setGroupPermissionSendMessage),
1144                             new DbusProperty<>("GroupInviteLink", () -> {
1145                                 final var groupInviteLinkUrl = getGroup().groupInviteLinkUrl();
1146                                 return groupInviteLinkUrl == null ? "" : groupInviteLinkUrl.getUrl();
1147                             }))));
1148         }
1149
1150         @Override
1151         public String getObjectPath() {
1152             return getGroupObjectPath(objectPath, groupId.serialize());
1153         }
1154
1155         @Override
1156         public void quitGroup() throws Error.Failure {
1157             try {
1158                 m.quitGroup(groupId, Set.of());
1159             } catch (GroupNotFoundException | NotAGroupMemberException e) {
1160                 throw new Error.GroupNotFound(e.getMessage());
1161             } catch (IOException e) {
1162                 throw new Error.Failure(e.getMessage());
1163             } catch (LastGroupAdminException e) {
1164                 throw new Error.LastGroupAdmin(e.getMessage());
1165             } catch (UnregisteredRecipientException e) {
1166                 throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
1167             }
1168         }
1169
1170         @Override
1171         public void deleteGroup() throws Error.Failure, Error.LastGroupAdmin {
1172             try {
1173                 m.deleteGroup(groupId);
1174             } catch (IOException e) {
1175                 throw new Error.Failure(e.getMessage());
1176             }
1177             updateGroups();
1178         }
1179
1180         @Override
1181         public void addMembers(final List<String> recipients) throws Error.Failure {
1182             final var memberIdentifiers = getSingleRecipientIdentifiers(recipients, m.getSelfNumber());
1183             updateGroup(UpdateGroup.newBuilder().withMembers(memberIdentifiers).build());
1184         }
1185
1186         @Override
1187         public void removeMembers(final List<String> recipients) throws Error.Failure {
1188             final var memberIdentifiers = getSingleRecipientIdentifiers(recipients, m.getSelfNumber());
1189             updateGroup(UpdateGroup.newBuilder().withRemoveMembers(memberIdentifiers).build());
1190         }
1191
1192         @Override
1193         public void addAdmins(final List<String> recipients) throws Error.Failure {
1194             final var memberIdentifiers = getSingleRecipientIdentifiers(recipients, m.getSelfNumber());
1195             updateGroup(UpdateGroup.newBuilder().withAdmins(memberIdentifiers).build());
1196         }
1197
1198         @Override
1199         public void removeAdmins(final List<String> recipients) throws Error.Failure {
1200             final var memberIdentifiers = getSingleRecipientIdentifiers(recipients, m.getSelfNumber());
1201             updateGroup(UpdateGroup.newBuilder().withRemoveAdmins(memberIdentifiers).build());
1202         }
1203
1204         @Override
1205         public void resetLink() throws Error.Failure {
1206             updateGroup(UpdateGroup.newBuilder().withResetGroupLink(true).build());
1207         }
1208
1209         @Override
1210         public void disableLink() throws Error.Failure {
1211             updateGroup(UpdateGroup.newBuilder().withGroupLinkState(GroupLinkState.DISABLED).build());
1212         }
1213
1214         @Override
1215         public void enableLink(final boolean requiresApproval) throws Error.Failure {
1216             updateGroup(UpdateGroup.newBuilder()
1217                     .withGroupLinkState(requiresApproval
1218                             ? GroupLinkState.ENABLED_WITH_APPROVAL
1219                             : GroupLinkState.ENABLED)
1220                     .build());
1221         }
1222
1223         private org.asamk.signal.manager.api.Group getGroup() {
1224             return m.getGroup(groupId);
1225         }
1226
1227         private void setGroupName(final String name) {
1228             updateGroup(UpdateGroup.newBuilder().withName(name).build());
1229         }
1230
1231         private void setGroupDescription(final String description) {
1232             updateGroup(UpdateGroup.newBuilder().withDescription(description).build());
1233         }
1234
1235         private void setGroupAvatar(final String avatar) {
1236             updateGroup(UpdateGroup.newBuilder().withAvatarFile(new File(avatar)).build());
1237         }
1238
1239         private void setMessageExpirationTime(final int expirationTime) {
1240             updateGroup(UpdateGroup.newBuilder().withExpirationTimer(expirationTime).build());
1241         }
1242
1243         private void setGroupPermissionAddMember(final String permission) {
1244             updateGroup(UpdateGroup.newBuilder().withAddMemberPermission(GroupPermission.valueOf(permission)).build());
1245         }
1246
1247         private void setGroupPermissionEditDetails(final String permission) {
1248             updateGroup(UpdateGroup.newBuilder()
1249                     .withEditDetailsPermission(GroupPermission.valueOf(permission))
1250                     .build());
1251         }
1252
1253         private void setGroupPermissionSendMessage(final String permission) {
1254             updateGroup(UpdateGroup.newBuilder()
1255                     .withIsAnnouncementGroup(GroupPermission.valueOf(permission) == GroupPermission.ONLY_ADMINS)
1256                     .build());
1257         }
1258
1259         private void setIsBlocked(final boolean isBlocked) {
1260             try {
1261                 m.setGroupBlocked(groupId, isBlocked);
1262             } catch (NotMasterDeviceException e) {
1263                 throw new Error.Failure("This command doesn't work on linked devices.");
1264             } catch (GroupNotFoundException e) {
1265                 throw new Error.GroupNotFound(e.getMessage());
1266             } catch (IOException e) {
1267                 throw new Error.Failure(e.getMessage());
1268             }
1269         }
1270
1271         private void updateGroup(final UpdateGroup updateGroup) {
1272             try {
1273                 m.updateGroup(groupId, updateGroup);
1274             } catch (IOException e) {
1275                 throw new Error.Failure(e.getMessage());
1276             } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
1277                 throw new Error.GroupNotFound(e.getMessage());
1278             } catch (AttachmentInvalidException e) {
1279                 throw new Error.AttachmentInvalid(e.getMessage());
1280             } catch (UnregisteredRecipientException e) {
1281                 throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
1282             }
1283         }
1284     }
1285 }