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.Manager;
   6 import org.asamk.signal.manager.api.AttachmentInvalidException;
   7 import org.asamk.signal.manager.api.Identity;
   8 import org.asamk.signal.manager.api.InactiveGroupLinkException;
   9 import org.asamk.signal.manager.api.InvalidDeviceLinkException;
  10 import org.asamk.signal.manager.api.InvalidNumberException;
  11 import org.asamk.signal.manager.api.InvalidStickerException;
  12 import org.asamk.signal.manager.api.Message;
  13 import org.asamk.signal.manager.api.NotMasterDeviceException;
  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.StickerPackInvalidException;
  19 import org.asamk.signal.manager.api.TypingAction;
  20 import org.asamk.signal.manager.api.UnregisteredRecipientException;
  21 import org.asamk.signal.manager.api.UpdateGroup;
  22 import org.asamk.signal.manager.groups.GroupId;
  23 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  24 import org.asamk.signal.manager.groups.GroupLinkState;
  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.Profile;
  31 import org.asamk.signal.manager.storage.recipients.RecipientAddress;
  32 import org.asamk.signal.util.SendMessageResultUtils;
  33 import org.freedesktop.dbus.DBusPath;
  34 import org.freedesktop.dbus.connections.impl.DBusConnection;
  35 import org.freedesktop.dbus.exceptions.DBusException;
  36 import org.freedesktop.dbus.exceptions.DBusExecutionException;
  37 import org.freedesktop.dbus.interfaces.DBusInterface;
  38 import org.freedesktop.dbus.types.Variant;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 import java.io.File;
  43 import java.io.IOException;
  44 import java.net.URI;
  45 import java.net.URISyntaxException;
  46 import java.util.ArrayList;
  47 import java.util.Arrays;
  48 import java.util.Base64;
  49 import java.util.Collection;
  50 import java.util.HashSet;
  51 import java.util.List;
  52 import java.util.Map;
  53 import java.util.Objects;
  54 import java.util.Optional;
  55 import java.util.Set;
  56 import java.util.UUID;
  57 import java.util.stream.Collectors;
  58 import java.util.stream.Stream;
  59
  60 public class DbusSignalImpl implements Signal {
  61
  62     private final Manager m;
  63     private final DBusConnection connection;
  64     private final String objectPath;
  65     private final boolean noReceiveOnStart;
  66
  67     private DBusPath thisDevice;
  68     private final List<StructDevice> devices = new ArrayList<>();
  69     private final List<StructGroup> groups = new ArrayList<>();
  70     private DbusReceiveMessageHandler dbusMessageHandler;
  71     private int subscriberCount;
  72
  73     private final static Logger logger = LoggerFactory.getLogger(DbusSignalImpl.class);
  74
  75     public DbusSignalImpl(
  76             final Manager m, DBusConnection connection, final String objectPath, final boolean noReceiveOnStart
  77     ) {
  78         this.m = m;
  79         this.connection = connection;
  80         this.objectPath = objectPath;
  81         this.noReceiveOnStart = noReceiveOnStart;
  82
  83         m.addAddressChangedListener(() -> {
  84             unExportObjects();
  85             exportObjects();
  86         });
  87     }
  88
  89     public void initObjects() {
  90         exportObjects();
  91         if (!noReceiveOnStart) {
  92             subscribeReceive();
  93         }
  94     }
  95
  96     private void exportObjects() {
  97         exportObject(this);
  98
  99         updateDevices();
 100         updateGroups();
 101         updateConfiguration();
 102     }
 103
 104     public void close() {
 105         if (dbusMessageHandler != null) {
 106             m.removeReceiveHandler(dbusMessageHandler);
 107             dbusMessageHandler = null;
 108         }
 109         unExportObjects();
 110     }
 111
 112     private void unExportObjects() {
 113         unExportDevices();
 114         unExportGroups();
 115         unExportConfiguration();
 116         connection.unExportObject(this.objectPath);
 117     }
 118
 119     @Override
 120     public String getObjectPath() {
 121         return objectPath;
 122     }
 123
 124     @Override
 125     public String getSelfNumber() {
 126         return m.getSelfNumber();
 127     }
 128
 129     @Override
 130     public void subscribeReceive() {
 131         if (dbusMessageHandler == null) {
 132             dbusMessageHandler = new DbusReceiveMessageHandler(connection, objectPath);
 133             m.addReceiveHandler(dbusMessageHandler);
 134         }
 135         subscriberCount++;
 136     }
 137
 138     @Override
 139     public void unsubscribeReceive() {
 140         subscriberCount = Math.max(0, subscriberCount - 1);
 141         if (subscriberCount == 0 && dbusMessageHandler != null) {
 142             m.removeReceiveHandler(dbusMessageHandler);
 143             dbusMessageHandler = null;
 144         }
 145     }
 146
 147     @Override
 148     public void submitRateLimitChallenge(String challenge, String captcha) {
 149         try {
 150             m.submitRateLimitRecaptchaChallenge(challenge, captcha);
 151         } catch (IOException e) {
 152             throw new Error.Failure("Submit challenge error: " + e.getMessage());
 153         }
 154
 155     }
 156
 157     @Override
 158     public void unregister() throws Error.Failure {
 159         try {
 160             m.unregister();
 161         } catch (IOException e) {
 162             throw new Error.Failure("Failed to unregister: " + e.getMessage());
 163         }
 164     }
 165
 166     @Override
 167     public void deleteAccount() throws Error.Failure {
 168         try {
 169             m.deleteAccount();
 170         } catch (IOException e) {
 171             throw new Error.Failure("Failed to delete account: " + e.getMessage());
 172         }
 173     }
 174
 175     @Override
 176     public void addDevice(String uri) {
 177         try {
 178             m.addDeviceLink(new URI(uri));
 179         } catch (IOException | InvalidDeviceLinkException e) {
 180             throw new Error.Failure(e.getClass().getSimpleName() + " Add device link failed. " + e.getMessage());
 181         } catch (URISyntaxException e) {
 182             throw new Error.InvalidUri(e.getClass().getSimpleName()
 183                     + " Device link uri has invalid format: "
 184                     + e.getMessage());
 185         }
 186     }
 187
 188     @Override
 189     public DBusPath getDevice(long deviceId) {
 190         updateDevices();
 191         final var deviceOptional = devices.stream().filter(g -> g.getId().equals(deviceId)).findFirst();
 192         if (deviceOptional.isEmpty()) {
 193             throw new Error.DeviceNotFound("Device not found");
 194         }
 195         return deviceOptional.get().getObjectPath();
 196     }
 197
 198     @Override
 199     public List<StructDevice> listDevices() {
 200         updateDevices();
 201         return this.devices;
 202     }
 203
 204     @Override
 205     public DBusPath getThisDevice() {
 206         updateDevices();
 207         return thisDevice;
 208     }
 209
 210     @Override
 211     public long sendMessage(final String message, final List<String> attachments, final String recipient) {
 212         return sendMessage(message, attachments, List.of(recipient));
 213     }
 214
 215     @Override
 216     public long sendMessage(final String message, final List<String> attachments, final List<String> recipients) {
 217         try {
 218             final var results = m.sendMessage(new Message(message,
 219                             attachments,
 220                             List.of(),
 221                             Optional.empty(),
 222                             Optional.empty()),
 223                     getSingleRecipientIdentifiers(recipients, m.getSelfNumber()).stream()
 224                             .map(RecipientIdentifier.class::cast)
 225                             .collect(Collectors.toSet()));
 226
 227             checkSendMessageResults(results);
 228             return results.timestamp();
 229         } catch (AttachmentInvalidException e) {
 230             throw new Error.AttachmentInvalid(e.getMessage());
 231         } catch (IOException | InvalidStickerException e) {
 232             throw new Error.Failure(e);
 233         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 234             throw new Error.GroupNotFound(e.getMessage());
 235         } catch (UnregisteredRecipientException e) {
 236             throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
 237         }
 238     }
 239
 240     @Override
 241     public long sendRemoteDeleteMessage(
 242             final long targetSentTimestamp, final String recipient
 243     ) {
 244         return sendRemoteDeleteMessage(targetSentTimestamp, List.of(recipient));
 245     }
 246
 247     @Override
 248     public long sendRemoteDeleteMessage(
 249             final long targetSentTimestamp, final List<String> recipients
 250     ) {
 251         try {
 252             final var results = m.sendRemoteDeleteMessage(targetSentTimestamp,
 253                     getSingleRecipientIdentifiers(recipients, m.getSelfNumber()).stream()
 254                             .map(RecipientIdentifier.class::cast)
 255                             .collect(Collectors.toSet()));
 256             checkSendMessageResults(results);
 257             return results.timestamp();
 258         } catch (IOException e) {
 259             throw new Error.Failure(e.getMessage());
 260         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 261             throw new Error.GroupNotFound(e.getMessage());
 262         }
 263     }
 264
 265     @Override
 266     public long sendMessageReaction(
 267             final String emoji,
 268             final boolean remove,
 269             final String targetAuthor,
 270             final long targetSentTimestamp,
 271             final String recipient
 272     ) {
 273         return sendMessageReaction(emoji, remove, targetAuthor, targetSentTimestamp, List.of(recipient));
 274     }
 275
 276     @Override
 277     public long sendMessageReaction(
 278             final String emoji,
 279             final boolean remove,
 280             final String targetAuthor,
 281             final long targetSentTimestamp,
 282             final List<String> recipients
 283     ) {
 284         try {
 285             final var results = m.sendMessageReaction(emoji,
 286                     remove,
 287                     getSingleRecipientIdentifier(targetAuthor, m.getSelfNumber()),
 288                     targetSentTimestamp,
 289                     getSingleRecipientIdentifiers(recipients, m.getSelfNumber()).stream()
 290                             .map(RecipientIdentifier.class::cast)
 291                             .collect(Collectors.toSet()));
 292             checkSendMessageResults(results);
 293             return results.timestamp();
 294         } catch (IOException e) {
 295             throw new Error.Failure(e.getMessage());
 296         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 297             throw new Error.GroupNotFound(e.getMessage());
 298         } catch (UnregisteredRecipientException e) {
 299             throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
 300         }
 301     }
 302
 303     @Override
 304     public void sendTyping(
 305             final String recipient, final boolean stop
 306     ) throws Error.Failure, Error.GroupNotFound, Error.UntrustedIdentity {
 307         try {
 308             final var results = m.sendTypingMessage(stop ? TypingAction.STOP : TypingAction.START,
 309                     getSingleRecipientIdentifiers(List.of(recipient), m.getSelfNumber()).stream()
 310                             .map(RecipientIdentifier.class::cast)
 311                             .collect(Collectors.toSet()));
 312             checkSendMessageResults(results);
 313         } catch (IOException e) {
 314             throw new Error.Failure(e.getMessage());
 315         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 316             throw new Error.GroupNotFound(e.getMessage());
 317         }
 318     }
 319
 320     @Override
 321     public void sendReadReceipt(
 322             final String recipient, final List<Long> messageIds
 323     ) throws Error.Failure, Error.UntrustedIdentity {
 324         try {
 325             final var results = m.sendReadReceipt(getSingleRecipientIdentifier(recipient, m.getSelfNumber()),
 326                     messageIds);
 327             checkSendMessageResults(results);
 328         } catch (IOException e) {
 329             throw new Error.Failure(e.getMessage());
 330         }
 331     }
 332
 333     @Override
 334     public void sendViewedReceipt(
 335             final String recipient, final List<Long> messageIds
 336     ) throws Error.Failure, Error.UntrustedIdentity {
 337         try {
 338             final var results = m.sendViewedReceipt(getSingleRecipientIdentifier(recipient, m.getSelfNumber()),
 339                     messageIds);
 340             checkSendMessageResults(results);
 341         } catch (IOException e) {
 342             throw new Error.Failure(e.getMessage());
 343         }
 344     }
 345
 346     @Override
 347     public void sendContacts() {
 348         try {
 349             m.sendContacts();
 350         } catch (IOException e) {
 351             throw new Error.Failure("SendContacts error: " + e.getMessage());
 352         }
 353     }
 354
 355     @Override
 356     public void sendSyncRequest() {
 357         try {
 358             m.requestAllSyncData();
 359         } catch (IOException e) {
 360             throw new Error.Failure("Request sync data error: " + e.getMessage());
 361         }
 362     }
 363
 364     @Override
 365     public long sendNoteToSelfMessage(
 366             final String message, final List<String> attachments
 367     ) throws Error.AttachmentInvalid, Error.Failure, Error.UntrustedIdentity {
 368         try {
 369             final var results = m.sendMessage(new Message(message,
 370                     attachments,
 371                     List.of(),
 372                     Optional.empty(),
 373                     Optional.empty()), Set.of(RecipientIdentifier.NoteToSelf.INSTANCE));
 374             checkSendMessageResults(results);
 375             return results.timestamp();
 376         } catch (AttachmentInvalidException e) {
 377             throw new Error.AttachmentInvalid(e.getMessage());
 378         } catch (IOException | InvalidStickerException e) {
 379             throw new Error.Failure(e.getMessage());
 380         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 381             throw new Error.GroupNotFound(e.getMessage());
 382         } catch (UnregisteredRecipientException e) {
 383             throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
 384         }
 385     }
 386
 387     @Override
 388     public void sendEndSessionMessage(final List<String> recipients) {
 389         try {
 390             final var results = m.sendEndSessionMessage(getSingleRecipientIdentifiers(recipients, m.getSelfNumber()));
 391             checkSendMessageResults(results);
 392         } catch (IOException e) {
 393             throw new Error.Failure(e.getMessage());
 394         }
 395     }
 396
 397     @Override
 398     public void deleteRecipient(final String recipient) throws Error.Failure {
 399         m.deleteRecipient(getSingleRecipientIdentifier(recipient, m.getSelfNumber()));
 400     }
 401
 402     @Override
 403     public void deleteContact(final String recipient) throws Error.Failure {
 404         m.deleteContact(getSingleRecipientIdentifier(recipient, m.getSelfNumber()));
 405     }
 406
 407     @Override
 408     public long sendGroupMessage(final String message, final List<String> attachments, final byte[] groupId) {
 409         try {
 410             var results = m.sendMessage(new Message(message,
 411                     attachments,
 412                     List.of(),
 413                     Optional.empty(),
 414                     Optional.empty()), Set.of(getGroupRecipientIdentifier(groupId)));
 415             checkSendMessageResults(results);
 416             return results.timestamp();
 417         } catch (IOException | InvalidStickerException e) {
 418             throw new Error.Failure(e.getMessage());
 419         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 420             throw new Error.GroupNotFound(e.getMessage());
 421         } catch (AttachmentInvalidException e) {
 422             throw new Error.AttachmentInvalid(e.getMessage());
 423         } catch (UnregisteredRecipientException e) {
 424             throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
 425         }
 426     }
 427
 428     @Override
 429     public void sendGroupTyping(
 430             final byte[] groupId, final boolean stop
 431     ) throws Error.Failure, Error.GroupNotFound, Error.UntrustedIdentity {
 432         try {
 433             final var results = m.sendTypingMessage(stop ? TypingAction.STOP : TypingAction.START,
 434                     Set.of(getGroupRecipientIdentifier(groupId)));
 435             checkSendMessageResults(results);
 436         } catch (IOException e) {
 437             throw new Error.Failure(e.getMessage());
 438         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 439             throw new Error.GroupNotFound(e.getMessage());
 440         }
 441     }
 442
 443     @Override
 444     public long sendGroupRemoteDeleteMessage(
 445             final long targetSentTimestamp, final byte[] groupId
 446     ) {
 447         try {
 448             final var results = m.sendRemoteDeleteMessage(targetSentTimestamp,
 449                     Set.of(getGroupRecipientIdentifier(groupId)));
 450             checkSendMessageResults(results);
 451             return results.timestamp();
 452         } catch (IOException e) {
 453             throw new Error.Failure(e.getMessage());
 454         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 455             throw new Error.GroupNotFound(e.getMessage());
 456         }
 457     }
 458
 459     @Override
 460     public long sendGroupMessageReaction(
 461             final String emoji,
 462             final boolean remove,
 463             final String targetAuthor,
 464             final long targetSentTimestamp,
 465             final byte[] groupId
 466     ) {
 467         try {
 468             final var results = m.sendMessageReaction(emoji,
 469                     remove,
 470                     getSingleRecipientIdentifier(targetAuthor, m.getSelfNumber()),
 471                     targetSentTimestamp,
 472                     Set.of(getGroupRecipientIdentifier(groupId)));
 473             checkSendMessageResults(results);
 474             return results.timestamp();
 475         } catch (IOException e) {
 476             throw new Error.Failure(e.getMessage());
 477         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 478             throw new Error.GroupNotFound(e.getMessage());
 479         } catch (UnregisteredRecipientException e) {
 480             throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
 481         }
 482     }
 483
 484     // Since contact names might be empty if not defined, also potentially return
 485     // the profile name
 486     @Override
 487     public String getContactName(final String number) {
 488         final var name = m.getContactOrProfileName(getSingleRecipientIdentifier(number, m.getSelfNumber()));
 489         return name == null ? "" : name;
 490     }
 491
 492     @Override
 493     public void setContactName(final String number, final String name) {
 494         try {
 495             m.setContactName(getSingleRecipientIdentifier(number, m.getSelfNumber()), name);
 496         } catch (NotMasterDeviceException e) {
 497             throw new Error.Failure("This command doesn't work on linked devices.");
 498         } catch (IOException e) {
 499             throw new Error.Failure("Contact is not registered.");
 500         } catch (UnregisteredRecipientException e) {
 501             throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
 502         }
 503     }
 504
 505     @Override
 506     public void setExpirationTimer(final String number, final int expiration) {
 507         try {
 508             m.setExpirationTimer(getSingleRecipientIdentifier(number, m.getSelfNumber()), expiration);
 509         } catch (IOException e) {
 510             throw new Error.Failure(e.getMessage());
 511         } catch (UnregisteredRecipientException e) {
 512             throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
 513         }
 514     }
 515
 516     @Override
 517     public void setContactBlocked(final String number, final boolean blocked) {
 518         try {
 519             m.setContactBlocked(getSingleRecipientIdentifier(number, m.getSelfNumber()), blocked);
 520         } catch (NotMasterDeviceException e) {
 521             throw new Error.Failure("This command doesn't work on linked devices.");
 522         } catch (IOException e) {
 523             throw new Error.Failure(e.getMessage());
 524         } catch (UnregisteredRecipientException e) {
 525             throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
 526         }
 527     }
 528
 529     @Override
 530     public void setGroupBlocked(final byte[] groupId, final boolean blocked) {
 531         try {
 532             m.setGroupBlocked(getGroupId(groupId), blocked);
 533         } catch (NotMasterDeviceException e) {
 534             throw new Error.Failure("This command doesn't work on linked devices.");
 535         } catch (GroupNotFoundException e) {
 536             throw new Error.GroupNotFound(e.getMessage());
 537         } catch (IOException e) {
 538             throw new Error.Failure(e.getMessage());
 539         }
 540     }
 541
 542     @Override
 543     public List<byte[]> getGroupIds() {
 544         var groups = m.getGroups();
 545         return groups.stream().map(g -> g.groupId().serialize()).toList();
 546     }
 547
 548     @Override
 549     public DBusPath getGroup(final byte[] groupId) {
 550         updateGroups();
 551         final var groupOptional = groups.stream().filter(g -> Arrays.equals(g.getId(), groupId)).findFirst();
 552         if (groupOptional.isEmpty()) {
 553             throw new Error.GroupNotFound("Group not found");
 554         }
 555         return groupOptional.get().getObjectPath();
 556     }
 557
 558     @Override
 559     public List<StructGroup> listGroups() {
 560         updateGroups();
 561         return groups;
 562     }
 563
 564     @Override
 565     public String getGroupName(final byte[] groupId) {
 566         var group = m.getGroup(getGroupId(groupId));
 567         if (group == null || group.title() == null) {
 568             return "";
 569         } else {
 570             return group.title();
 571         }
 572     }
 573
 574     @Override
 575     public List<String> getGroupMembers(final byte[] groupId) {
 576         var group = m.getGroup(getGroupId(groupId));
 577         if (group == null) {
 578             return List.of();
 579         } else {
 580             final var members = group.members();
 581             return getRecipientStrings(members);
 582         }
 583     }
 584
 585     @Override
 586     public byte[] createGroup(
 587             final String name, final List<String> members, final String avatar
 588     ) throws Error.AttachmentInvalid, Error.Failure, Error.InvalidNumber {
 589         return updateGroup(new byte[0], name, members, avatar);
 590     }
 591
 592     @Override
 593     public byte[] updateGroup(byte[] groupId, String name, List<String> members, String avatar) {
 594         try {
 595             groupId = nullIfEmpty(groupId);
 596             name = nullIfEmpty(name);
 597             avatar = nullIfEmpty(avatar);
 598             final var memberIdentifiers = getSingleRecipientIdentifiers(members, m.getSelfNumber());
 599             if (groupId == null) {
 600                 final var results = m.createGroup(name, memberIdentifiers, avatar == null ? null : new File(avatar));
 601                 updateGroups();
 602                 checkGroupSendMessageResults(results.second().timestamp(), results.second().results());
 603                 return results.first().serialize();
 604             } else {
 605                 final var results = m.updateGroup(getGroupId(groupId),
 606                         UpdateGroup.newBuilder()
 607                                 .withName(name)
 608                                 .withMembers(memberIdentifiers)
 609                                 .withAvatarFile(avatar == null ? null : new File(avatar))
 610                                 .build());
 611                 if (results != null) {
 612                     checkGroupSendMessageResults(results.timestamp(), results.results());
 613                 }
 614                 return groupId;
 615             }
 616         } catch (IOException e) {
 617             throw new Error.Failure(e.getMessage());
 618         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 619             throw new Error.GroupNotFound(e.getMessage());
 620         } catch (AttachmentInvalidException e) {
 621             throw new Error.AttachmentInvalid(e.getMessage());
 622         } catch (UnregisteredRecipientException e) {
 623             throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
 624         }
 625     }
 626
 627     @Override
 628     public boolean isRegistered() {
 629         return true;
 630     }
 631
 632     @Override
 633     public boolean isRegistered(String number) {
 634         var result = isRegistered(List.of(number));
 635         return result.get(0);
 636     }
 637
 638     @Override
 639     public List<Boolean> isRegistered(List<String> numbers) {
 640         if (numbers.isEmpty()) {
 641             return List.of();
 642         }
 643
 644         Map<String, Pair<String, UUID>> registered;
 645         try {
 646             registered = m.areUsersRegistered(new HashSet<>(numbers));
 647         } catch (IOException e) {
 648             throw new Error.Failure(e.getMessage());
 649         }
 650
 651         return numbers.stream().map(number -> {
 652             var uuid = registered.get(number).second();
 653             return uuid != null;
 654         }).toList();
 655     }
 656
 657     @Override
 658     public void updateProfile(
 659             String givenName,
 660             String familyName,
 661             String about,
 662             String aboutEmoji,
 663             String avatarPath,
 664             final boolean removeAvatar
 665     ) {
 666         try {
 667             givenName = nullIfEmpty(givenName);
 668             familyName = nullIfEmpty(familyName);
 669             about = nullIfEmpty(about);
 670             aboutEmoji = nullIfEmpty(aboutEmoji);
 671             avatarPath = nullIfEmpty(avatarPath);
 672             Optional<File> avatarFile = removeAvatar
 673                     ? Optional.empty()
 674                     : avatarPath == null ? null : Optional.of(new File(avatarPath));
 675             m.setProfile(givenName, familyName, about, aboutEmoji, avatarFile);
 676         } catch (IOException e) {
 677             throw new Error.Failure(e.getMessage());
 678         }
 679     }
 680
 681     @Override
 682     public void updateProfile(
 683             final String name,
 684             final String about,
 685             final String aboutEmoji,
 686             String avatarPath,
 687             final boolean removeAvatar
 688     ) {
 689         updateProfile(name, "", about, aboutEmoji, avatarPath, removeAvatar);
 690     }
 691
 692     @Override
 693     public void removePin() {
 694         try {
 695             m.setRegistrationLockPin(Optional.empty());
 696         } catch (IOException e) {
 697             throw new Error.Failure("Remove pin error: " + e.getMessage());
 698         } catch (NotMasterDeviceException e) {
 699             throw new Error.Failure("This command doesn't work on linked devices.");
 700         }
 701     }
 702
 703     @Override
 704     public void setPin(String registrationLockPin) {
 705         try {
 706             m.setRegistrationLockPin(Optional.of(registrationLockPin));
 707         } catch (IOException e) {
 708             throw new Error.Failure("Set pin error: " + e.getMessage());
 709         } catch (NotMasterDeviceException e) {
 710             throw new Error.Failure("This command doesn't work on linked devices.");
 711         }
 712     }
 713
 714     // Provide option to query a version string in order to react on potential
 715     // future interface changes
 716     @Override
 717     public String version() {
 718         return BaseConfig.PROJECT_VERSION;
 719     }
 720
 721     // Create a unique list of Numbers from Identities and Contacts to really get
 722     // all numbers the system knows
 723     @Override
 724     public List<String> listNumbers() {
 725         return Stream.concat(m.getIdentities().stream().map(Identity::recipient),
 726                         m.getContacts().stream().map(Pair::first))
 727                 .map(a -> a.number().orElse(null))
 728                 .filter(Objects::nonNull)
 729                 .distinct()
 730                 .toList();
 731     }
 732
 733     @Override
 734     public List<String> getContactNumber(final String name) {
 735         // Contact names have precedence.
 736         var numbers = new ArrayList<String>();
 737         var contacts = m.getContacts();
 738         for (var c : contacts) {
 739             if (name.equals(c.second().getName())) {
 740                 numbers.add(c.first().getLegacyIdentifier());
 741             }
 742         }
 743         // Try profiles if no contact name was found
 744         for (var identity : m.getIdentities()) {
 745             final var address = identity.recipient();
 746             var number = address.number().orElse(null);
 747             if (number != null) {
 748                 Profile profile = null;
 749                 try {
 750                     profile = m.getRecipientProfile(RecipientIdentifier.Single.fromAddress(address));
 751                 } catch (IOException | UnregisteredRecipientException ignored) {
 752                 }
 753                 if (profile != null && profile.getDisplayName().equals(name)) {
 754                     numbers.add(number);
 755                 }
 756             }
 757         }
 758         return numbers;
 759     }
 760
 761     @Override
 762     public void quitGroup(final byte[] groupId) {
 763         var group = getGroupId(groupId);
 764         try {
 765             m.quitGroup(group, Set.of());
 766         } catch (GroupNotFoundException | NotAGroupMemberException e) {
 767             throw new Error.GroupNotFound(e.getMessage());
 768         } catch (IOException | LastGroupAdminException e) {
 769             throw new Error.Failure(e.getMessage());
 770         } catch (UnregisteredRecipientException e) {
 771             throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
 772         }
 773     }
 774
 775     @Override
 776     public byte[] joinGroup(final String groupLink) {
 777         try {
 778             final var linkUrl = GroupInviteLinkUrl.fromUri(groupLink);
 779             if (linkUrl == null) {
 780                 throw new Error.Failure("Group link is invalid:");
 781             }
 782             final var result = m.joinGroup(linkUrl);
 783             return result.first().serialize();
 784         } catch (GroupInviteLinkUrl.InvalidGroupLinkException | InactiveGroupLinkException e) {
 785             throw new Error.Failure("Group link is invalid: " + e.getMessage());
 786         } catch (GroupInviteLinkUrl.UnknownGroupLinkVersionException e) {
 787             throw new Error.Failure("Group link was created with an incompatible version: " + e.getMessage());
 788         } catch (IOException e) {
 789             throw new Error.Failure(e.getMessage());
 790         }
 791     }
 792
 793     @Override
 794     public boolean isContactBlocked(final String number) {
 795         return m.isContactBlocked(getSingleRecipientIdentifier(number, m.getSelfNumber()));
 796     }
 797
 798     @Override
 799     public boolean isGroupBlocked(final byte[] groupId) {
 800         var group = m.getGroup(getGroupId(groupId));
 801         if (group == null) {
 802             return false;
 803         } else {
 804             return group.isBlocked();
 805         }
 806     }
 807
 808     @Override
 809     public boolean isMember(final byte[] groupId) {
 810         var group = m.getGroup(getGroupId(groupId));
 811         if (group == null) {
 812             return false;
 813         } else {
 814             return group.isMember();
 815         }
 816     }
 817
 818     @Override
 819     public String uploadStickerPack(String stickerPackPath) {
 820         File path = new File(stickerPackPath);
 821         try {
 822             return m.uploadStickerPack(path).toString();
 823         } catch (IOException e) {
 824             throw new Error.Failure("Upload error (maybe image size is too large):" + e.getMessage());
 825         } catch (StickerPackInvalidException e) {
 826             throw new Error.Failure("Invalid sticker pack: " + e.getMessage());
 827         }
 828     }
 829
 830     private static void checkSendMessageResult(long timestamp, SendMessageResult result) throws DBusExecutionException {
 831         var error = SendMessageResultUtils.getErrorMessageFromSendMessageResult(result);
 832
 833         if (error == null) {
 834             return;
 835         }
 836
 837         final var message = "\nFailed to send message:\n" + error + '\n' + timestamp;
 838
 839         if (result.isIdentityFailure()) {
 840             throw new Error.UntrustedIdentity(message);
 841         } else {
 842             throw new Error.Failure(message);
 843         }
 844     }
 845
 846     private void checkSendMessageResults(final SendMessageResults results) {
 847         final var sendMessageResults = results.results().values().stream().findFirst();
 848         if (results.results().size() == 1 && sendMessageResults.get().size() == 1) {
 849             checkSendMessageResult(results.timestamp(), sendMessageResults.get().stream().findFirst().get());
 850             return;
 851         }
 852
 853         if (results.hasSuccess()) {
 854             return;
 855         }
 856
 857         var message = new StringBuilder();
 858         message.append("Failed to send messages:\n");
 859         var errors = SendMessageResultUtils.getErrorMessagesFromSendMessageResults(results.results());
 860         for (var error : errors) {
 861             message.append(error).append('\n');
 862         }
 863         message.append(results.timestamp());
 864
 865         throw new Error.Failure(message.toString());
 866     }
 867
 868     private static void checkGroupSendMessageResults(
 869             long timestamp, Collection<SendMessageResult> results
 870     ) throws DBusExecutionException {
 871         if (results.size() == 1) {
 872             checkSendMessageResult(timestamp, results.stream().findFirst().get());
 873             return;
 874         }
 875
 876         var errors = SendMessageResultUtils.getErrorMessagesFromSendMessageResults(results);
 877         if (errors.size() == 0 || errors.size() < results.size()) {
 878             return;
 879         }
 880
 881         var message = new StringBuilder();
 882         message.append("Failed to send message:\n");
 883         for (var error : errors) {
 884             message.append(error).append('\n');
 885         }
 886         message.append(timestamp);
 887
 888         throw new Error.Failure(message.toString());
 889     }
 890
 891     private static List<String> getRecipientStrings(final Set<RecipientAddress> members) {
 892         return members.stream().map(RecipientAddress::getLegacyIdentifier).toList();
 893     }
 894
 895     private static Set<RecipientIdentifier.Single> getSingleRecipientIdentifiers(
 896             final Collection<String> recipientStrings, final String localNumber
 897     ) throws DBusExecutionException {
 898         final var identifiers = new HashSet<RecipientIdentifier.Single>();
 899         for (var recipientString : recipientStrings) {
 900             identifiers.add(getSingleRecipientIdentifier(recipientString, localNumber));
 901         }
 902         return identifiers;
 903     }
 904
 905     private static RecipientIdentifier.Single getSingleRecipientIdentifier(
 906             final String recipientString, final String localNumber
 907     ) throws DBusExecutionException {
 908         try {
 909             return RecipientIdentifier.Single.fromString(recipientString, localNumber);
 910         } catch (InvalidNumberException e) {
 911             throw new Error.InvalidNumber(e.getMessage());
 912         }
 913     }
 914
 915     private RecipientIdentifier.Group getGroupRecipientIdentifier(final byte[] groupId) {
 916         return new RecipientIdentifier.Group(getGroupId(groupId));
 917     }
 918
 919     private static GroupId getGroupId(byte[] groupId) throws DBusExecutionException {
 920         try {
 921             return GroupId.unknownVersion(groupId);
 922         } catch (Throwable e) {
 923             throw new Error.InvalidGroupId("Invalid group id: " + e.getMessage());
 924         }
 925     }
 926
 927     private byte[] nullIfEmpty(final byte[] array) {
 928         return array.length == 0 ? null : array;
 929     }
 930
 931     private String nullIfEmpty(final String name) {
 932         return name.isEmpty() ? null : name;
 933     }
 934
 935     private String emptyIfNull(final String string) {
 936         return string == null ? "" : string;
 937     }
 938
 939     private static String getDeviceObjectPath(String basePath, long deviceId) {
 940         return basePath + "/Devices/" + deviceId;
 941     }
 942
 943     private void updateDevices() {
 944         List<org.asamk.signal.manager.api.Device> linkedDevices;
 945         try {
 946             linkedDevices = m.getLinkedDevices();
 947         } catch (IOException e) {
 948             throw new Error.Failure("Failed to get linked devices: " + e.getMessage());
 949         }
 950
 951         unExportDevices();
 952
 953         linkedDevices.forEach(d -> {
 954             final var object = new DbusSignalDeviceImpl(d);
 955             final var deviceObjectPath = object.getObjectPath();
 956             exportObject(object);
 957             if (d.isThisDevice()) {
 958                 thisDevice = new DBusPath(deviceObjectPath);
 959             }
 960             this.devices.add(new StructDevice(new DBusPath(deviceObjectPath), (long) d.id(), emptyIfNull(d.name())));
 961         });
 962     }
 963
 964     private void unExportDevices() {
 965         this.devices.stream()
 966                 .map(StructDevice::getObjectPath)
 967                 .map(DBusPath::getPath)
 968                 .forEach(connection::unExportObject);
 969         this.devices.clear();
 970     }
 971
 972     private static String getGroupObjectPath(String basePath, byte[] groupId) {
 973         return basePath + "/Groups/" + Base64.getEncoder()
 974                 .encodeToString(groupId)
 975                 .replace("+", "_")
 976                 .replace("/", "_")
 977                 .replace("=", "_");
 978     }
 979
 980     private void updateGroups() {
 981         List<org.asamk.signal.manager.api.Group> groups;
 982         groups = m.getGroups();
 983
 984         unExportGroups();
 985
 986         groups.forEach(g -> {
 987             final var object = new DbusSignalGroupImpl(g.groupId());
 988             exportObject(object);
 989             this.groups.add(new StructGroup(new DBusPath(object.getObjectPath()),
 990                     g.groupId().serialize(),
 991                     emptyIfNull(g.title())));
 992         });
 993     }
 994
 995     private void unExportGroups() {
 996         this.groups.stream().map(StructGroup::getObjectPath).map(DBusPath::getPath).forEach(connection::unExportObject);
 997         this.groups.clear();
 998     }
 999
1000     private static String getConfigurationObjectPath(String basePath) {
1001         return basePath + "/Configuration";
1002     }
1003
1004     private void updateConfiguration() {
1005         unExportConfiguration();
1006         final var object = new DbusSignalConfigurationImpl();
1007         exportObject(object);
1008     }
1009
1010     private void unExportConfiguration() {
1011         final var objectPath = getConfigurationObjectPath(this.objectPath);
1012         connection.unExportObject(objectPath);
1013     }
1014
1015     private void exportObject(final DBusInterface object) {
1016         try {
1017             connection.exportObject(object);
1018             logger.debug("Exported dbus object: " + object.getObjectPath());
1019         } catch (DBusException e) {
1020             e.printStackTrace();
1021         }
1022     }
1023
1024     public class DbusSignalDeviceImpl extends DbusProperties implements Signal.Device {
1025
1026         private final org.asamk.signal.manager.api.Device device;
1027
1028         public DbusSignalDeviceImpl(final org.asamk.signal.manager.api.Device device) {
1029             super.addPropertiesHandler(new DbusInterfacePropertiesHandler("org.asamk.Signal.Device",
1030                     List.of(new DbusProperty<>("Id", device::id),
1031                             new DbusProperty<>("Name", () -> emptyIfNull(device.name()), this::setDeviceName),
1032                             new DbusProperty<>("Created", device::created),
1033                             new DbusProperty<>("LastSeen", device::lastSeen))));
1034             this.device = device;
1035         }
1036
1037         @Override
1038         public String getObjectPath() {
1039             return getDeviceObjectPath(objectPath, device.id());
1040         }
1041
1042         @Override
1043         public void removeDevice() throws Error.Failure {
1044             try {
1045                 m.removeLinkedDevices(device.id());
1046                 updateDevices();
1047             } catch (IOException e) {
1048                 throw new Error.Failure(e.getMessage());
1049             }
1050         }
1051
1052         private void setDeviceName(String name) {
1053             if (!device.isThisDevice()) {
1054                 throw new Error.Failure("Only the name of this device can be changed");
1055             }
1056             try {
1057                 m.updateAccountAttributes(name);
1058                 // update device list
1059                 updateDevices();
1060             } catch (IOException e) {
1061                 throw new Error.Failure(e.getMessage());
1062             }
1063         }
1064     }
1065
1066     public class DbusSignalConfigurationImpl extends DbusProperties implements Signal.Configuration {
1067
1068         public DbusSignalConfigurationImpl(
1069         ) {
1070             super.addPropertiesHandler(new DbusInterfacePropertiesHandler("org.asamk.Signal.Configuration",
1071                     List.of(new DbusProperty<>("ReadReceipts", this::getReadReceipts, this::setReadReceipts),
1072                             new DbusProperty<>("UnidentifiedDeliveryIndicators",
1073                                     this::getUnidentifiedDeliveryIndicators,
1074                                     this::setUnidentifiedDeliveryIndicators),
1075                             new DbusProperty<>("TypingIndicators",
1076                                     this::getTypingIndicators,
1077                                     this::setTypingIndicators),
1078                             new DbusProperty<>("LinkPreviews", this::getLinkPreviews, this::setLinkPreviews))));
1079
1080         }
1081
1082         @Override
1083         public String getObjectPath() {
1084             return getConfigurationObjectPath(objectPath);
1085         }
1086
1087         public void setReadReceipts(Boolean readReceipts) {
1088             setConfiguration(readReceipts, null, null, null);
1089         }
1090
1091         public void setUnidentifiedDeliveryIndicators(Boolean unidentifiedDeliveryIndicators) {
1092             setConfiguration(null, unidentifiedDeliveryIndicators, null, null);
1093         }
1094
1095         public void setTypingIndicators(Boolean typingIndicators) {
1096             setConfiguration(null, null, typingIndicators, null);
1097         }
1098
1099         public void setLinkPreviews(Boolean linkPreviews) {
1100             setConfiguration(null, null, null, linkPreviews);
1101         }
1102
1103         private void setConfiguration(
1104                 Boolean readReceipts,
1105                 Boolean unidentifiedDeliveryIndicators,
1106                 Boolean typingIndicators,
1107                 Boolean linkPreviews
1108         ) {
1109             try {
1110                 m.updateConfiguration(new org.asamk.signal.manager.api.Configuration(Optional.ofNullable(readReceipts),
1111                         Optional.ofNullable(unidentifiedDeliveryIndicators),
1112                         Optional.ofNullable(typingIndicators),
1113                         Optional.ofNullable(linkPreviews)));
1114             } catch (IOException e) {
1115                 throw new Error.Failure("UpdateAccount error: " + e.getMessage());
1116             } catch (NotMasterDeviceException e) {
1117                 throw new Error.Failure("This command doesn't work on linked devices.");
1118             }
1119         }
1120
1121         private boolean getReadReceipts() {
1122             return m.getConfiguration().readReceipts().orElse(false);
1123         }
1124
1125         private boolean getUnidentifiedDeliveryIndicators() {
1126             return m.getConfiguration().unidentifiedDeliveryIndicators().orElse(false);
1127         }
1128
1129         private boolean getTypingIndicators() {
1130             return m.getConfiguration().typingIndicators().orElse(false);
1131         }
1132
1133         private boolean getLinkPreviews() {
1134             return m.getConfiguration().linkPreviews().orElse(false);
1135         }
1136     }
1137
1138     public class DbusSignalGroupImpl extends DbusProperties implements Signal.Group {
1139
1140         private final GroupId groupId;
1141
1142         public DbusSignalGroupImpl(final GroupId groupId) {
1143             this.groupId = groupId;
1144             super.addPropertiesHandler(new DbusInterfacePropertiesHandler("org.asamk.Signal.Group",
1145                     List.of(new DbusProperty<>("Id", groupId::serialize),
1146                             new DbusProperty<>("Name", () -> emptyIfNull(getGroup().title()), this::setGroupName),
1147                             new DbusProperty<>("Description",
1148                                     () -> emptyIfNull(getGroup().description()),
1149                                     this::setGroupDescription),
1150                             new DbusProperty<>("Avatar", this::setGroupAvatar),
1151                             new DbusProperty<>("IsBlocked", () -> getGroup().isBlocked(), this::setIsBlocked),
1152                             new DbusProperty<>("IsMember", () -> getGroup().isMember()),
1153                             new DbusProperty<>("IsAdmin", () -> getGroup().isAdmin()),
1154                             new DbusProperty<>("MessageExpirationTimer",
1155                                     () -> getGroup().messageExpirationTimer(),
1156                                     this::setMessageExpirationTime),
1157                             new DbusProperty<>("Members",
1158                                     () -> new Variant<>(getRecipientStrings(getGroup().members()), "as")),
1159                             new DbusProperty<>("PendingMembers",
1160                                     () -> new Variant<>(getRecipientStrings(getGroup().pendingMembers()), "as")),
1161                             new DbusProperty<>("RequestingMembers",
1162                                     () -> new Variant<>(getRecipientStrings(getGroup().requestingMembers()), "as")),
1163                             new DbusProperty<>("Admins",
1164                                     () -> new Variant<>(getRecipientStrings(getGroup().adminMembers()), "as")),
1165                             new DbusProperty<>("Banned",
1166                                     () -> new Variant<>(getRecipientStrings(getGroup().bannedMembers()), "as")),
1167                             new DbusProperty<>("PermissionAddMember",
1168                                     () -> getGroup().permissionAddMember().name(),
1169                                     this::setGroupPermissionAddMember),
1170                             new DbusProperty<>("PermissionEditDetails",
1171                                     () -> getGroup().permissionEditDetails().name(),
1172                                     this::setGroupPermissionEditDetails),
1173                             new DbusProperty<>("PermissionSendMessage",
1174                                     () -> getGroup().permissionSendMessage().name(),
1175                                     this::setGroupPermissionSendMessage),
1176                             new DbusProperty<>("GroupInviteLink", () -> {
1177                                 final var groupInviteLinkUrl = getGroup().groupInviteLinkUrl();
1178                                 return groupInviteLinkUrl == null ? "" : groupInviteLinkUrl.getUrl();
1179                             }))));
1180         }
1181
1182         @Override
1183         public String getObjectPath() {
1184             return getGroupObjectPath(objectPath, groupId.serialize());
1185         }
1186
1187         @Override
1188         public void quitGroup() throws Error.Failure {
1189             try {
1190                 m.quitGroup(groupId, Set.of());
1191             } catch (GroupNotFoundException | NotAGroupMemberException e) {
1192                 throw new Error.GroupNotFound(e.getMessage());
1193             } catch (IOException e) {
1194                 throw new Error.Failure(e.getMessage());
1195             } catch (LastGroupAdminException e) {
1196                 throw new Error.LastGroupAdmin(e.getMessage());
1197             } catch (UnregisteredRecipientException e) {
1198                 throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
1199             }
1200         }
1201
1202         @Override
1203         public void deleteGroup() throws Error.Failure, Error.LastGroupAdmin {
1204             try {
1205                 m.deleteGroup(groupId);
1206             } catch (IOException e) {
1207                 throw new Error.Failure(e.getMessage());
1208             }
1209             updateGroups();
1210         }
1211
1212         @Override
1213         public void addMembers(final List<String> recipients) throws Error.Failure {
1214             final var memberIdentifiers = getSingleRecipientIdentifiers(recipients, m.getSelfNumber());
1215             updateGroup(UpdateGroup.newBuilder().withMembers(memberIdentifiers).build());
1216         }
1217
1218         @Override
1219         public void removeMembers(final List<String> recipients) throws Error.Failure {
1220             final var memberIdentifiers = getSingleRecipientIdentifiers(recipients, m.getSelfNumber());
1221             updateGroup(UpdateGroup.newBuilder().withRemoveMembers(memberIdentifiers).build());
1222         }
1223
1224         @Override
1225         public void addAdmins(final List<String> recipients) throws Error.Failure {
1226             final var memberIdentifiers = getSingleRecipientIdentifiers(recipients, m.getSelfNumber());
1227             updateGroup(UpdateGroup.newBuilder().withAdmins(memberIdentifiers).build());
1228         }
1229
1230         @Override
1231         public void removeAdmins(final List<String> recipients) throws Error.Failure {
1232             final var memberIdentifiers = getSingleRecipientIdentifiers(recipients, m.getSelfNumber());
1233             updateGroup(UpdateGroup.newBuilder().withRemoveAdmins(memberIdentifiers).build());
1234         }
1235
1236         @Override
1237         public void resetLink() throws Error.Failure {
1238             updateGroup(UpdateGroup.newBuilder().withResetGroupLink(true).build());
1239         }
1240
1241         @Override
1242         public void disableLink() throws Error.Failure {
1243             updateGroup(UpdateGroup.newBuilder().withGroupLinkState(GroupLinkState.DISABLED).build());
1244         }
1245
1246         @Override
1247         public void enableLink(final boolean requiresApproval) throws Error.Failure {
1248             updateGroup(UpdateGroup.newBuilder()
1249                     .withGroupLinkState(requiresApproval
1250                             ? GroupLinkState.ENABLED_WITH_APPROVAL
1251                             : GroupLinkState.ENABLED)
1252                     .build());
1253         }
1254
1255         private org.asamk.signal.manager.api.Group getGroup() {
1256             return m.getGroup(groupId);
1257         }
1258
1259         private void setGroupName(final String name) {
1260             updateGroup(UpdateGroup.newBuilder().withName(name).build());
1261         }
1262
1263         private void setGroupDescription(final String description) {
1264             updateGroup(UpdateGroup.newBuilder().withDescription(description).build());
1265         }
1266
1267         private void setGroupAvatar(final String avatar) {
1268             updateGroup(UpdateGroup.newBuilder().withAvatarFile(new File(avatar)).build());
1269         }
1270
1271         private void setMessageExpirationTime(final int expirationTime) {
1272             updateGroup(UpdateGroup.newBuilder().withExpirationTimer(expirationTime).build());
1273         }
1274
1275         private void setGroupPermissionAddMember(final String permission) {
1276             updateGroup(UpdateGroup.newBuilder().withAddMemberPermission(GroupPermission.valueOf(permission)).build());
1277         }
1278
1279         private void setGroupPermissionEditDetails(final String permission) {
1280             updateGroup(UpdateGroup.newBuilder()
1281                     .withEditDetailsPermission(GroupPermission.valueOf(permission))
1282                     .build());
1283         }
1284
1285         private void setGroupPermissionSendMessage(final String permission) {
1286             updateGroup(UpdateGroup.newBuilder()
1287                     .withIsAnnouncementGroup(GroupPermission.valueOf(permission) == GroupPermission.ONLY_ADMINS)
1288                     .build());
1289         }
1290
1291         private void setIsBlocked(final boolean isBlocked) {
1292             try {
1293                 m.setGroupBlocked(groupId, isBlocked);
1294             } catch (NotMasterDeviceException e) {
1295                 throw new Error.Failure("This command doesn't work on linked devices.");
1296             } catch (GroupNotFoundException e) {
1297                 throw new Error.GroupNotFound(e.getMessage());
1298             } catch (IOException e) {
1299                 throw new Error.Failure(e.getMessage());
1300             }
1301         }
1302
1303         private void updateGroup(final UpdateGroup updateGroup) {
1304             try {
1305                 m.updateGroup(groupId, updateGroup);
1306             } catch (IOException e) {
1307                 throw new Error.Failure(e.getMessage());
1308             } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
1309                 throw new Error.GroupNotFound(e.getMessage());
1310             } catch (AttachmentInvalidException e) {
1311                 throw new Error.AttachmentInvalid(e.getMessage());
1312             } catch (UnregisteredRecipientException e) {
1313                 throw new Error.UntrustedIdentity(e.getSender().getIdentifier() + " is not registered.");
1314             }
1315         }
1316     }
1317 }