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.commands.exceptions.CommandException;
   6 import org.asamk.signal.commands.exceptions.IOErrorException;
   7 import org.asamk.signal.manager.AttachmentInvalidException;
   8 import org.asamk.signal.manager.Manager;
   9 import org.asamk.signal.manager.NotMasterDeviceException;
  10 import org.asamk.signal.manager.StickerPackInvalidException;
  11 import org.asamk.signal.manager.UntrustedIdentityException;
  12 import org.asamk.signal.manager.api.Configuration;
  13 import org.asamk.signal.manager.api.Identity;
  14 import org.asamk.signal.manager.api.Message;
  15 import org.asamk.signal.manager.api.RecipientIdentifier;
  16 import org.asamk.signal.manager.api.TypingAction;
  17 import org.asamk.signal.manager.api.UpdateGroup;
  18 import org.asamk.signal.manager.groups.GroupId;
  19 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  20 import org.asamk.signal.manager.groups.GroupLinkState;
  21 import org.asamk.signal.manager.groups.GroupNotFoundException;
  22 import org.asamk.signal.manager.groups.GroupPermission;
  23 import org.asamk.signal.manager.groups.GroupSendingNotAllowedException;
  24 import org.asamk.signal.manager.groups.LastGroupAdminException;
  25 import org.asamk.signal.manager.groups.NotAGroupMemberException;
  26 import org.asamk.signal.manager.storage.recipients.Profile;
  27 import org.asamk.signal.manager.storage.recipients.RecipientAddress;
  28 import org.asamk.signal.util.ErrorUtils;
  29 import org.freedesktop.dbus.DBusPath;
  30 import org.freedesktop.dbus.connections.impl.DBusConnection;
  31 import org.freedesktop.dbus.exceptions.DBusException;
  32 import org.freedesktop.dbus.exceptions.DBusExecutionException;
  33 import org.freedesktop.dbus.types.Variant;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36 import org.whispersystems.libsignal.InvalidKeyException;
  37 import org.whispersystems.libsignal.util.Pair;
  38 import org.whispersystems.libsignal.util.guava.Optional;
  39 import org.whispersystems.signalservice.api.groupsv2.GroupLinkNotActiveException;
  40 import org.whispersystems.signalservice.api.messages.SendMessageResult;
  41 import org.whispersystems.signalservice.api.push.exceptions.UnregisteredUserException;
  42 import org.whispersystems.signalservice.api.util.InvalidNumberException;
  43 import org.whispersystems.signalservice.internal.contacts.crypto.UnauthenticatedResponseException;
  44
  45 import java.io.File;
  46 import java.io.IOException;
  47 import java.net.URI;
  48 import java.net.URISyntaxException;
  49 import java.util.ArrayList;
  50 import java.util.Arrays;
  51 import java.util.Base64;
  52 import java.util.Collection;
  53 import java.util.HashSet;
  54 import java.util.List;
  55 import java.util.Map;
  56 import java.util.Objects;
  57 import java.util.Set;
  58 import java.util.UUID;
  59 import java.util.stream.Collectors;
  60 import java.util.stream.Stream;
  61
  62 public class DbusSignalImpl implements Signal {
  63
  64     private final Manager m;
  65     private final DBusConnection connection;
  66     private final String objectPath;
  67
  68     private DBusPath thisDevice;
  69     private final List<StructDevice> devices = new ArrayList<>();
  70     private final List<StructGroup> groups = new ArrayList<>();
  71
  72     private final static Logger logger = LoggerFactory.getLogger(DbusSignalImpl.class);
  73
  74     public DbusSignalImpl(final Manager m, DBusConnection connection, final String objectPath) {
  75         this.m = m;
  76         this.connection = connection;
  77         this.objectPath = objectPath;
  78     }
  79
  80     public void initObjects() {
  81         updateDevices();
  82         updateGroups();
  83         updateConfiguration();
  84     }
  85
  86     public void close() {
  87         unExportDevices();
  88         unExportGroups();
  89         unExportConfiguration();
  90     }
  91
  92     @Override
  93     public String getObjectPath() {
  94         return objectPath;
  95     }
  96
  97     @Override
  98     public String getSelfNumber() {
  99         return m.getSelfNumber();
 100     }
 101
 102     @Override
 103     public void submitRateLimitChallenge(String challenge, String captchaString) throws IOErrorException {
 104         final var captcha = captchaString == null ? null : captchaString.replace("signalcaptcha://", "");
 105
 106         try {
 107             m.submitRateLimitRecaptchaChallenge(challenge, captcha);
 108         } catch (IOException e) {
 109             throw new IOErrorException("Submit challenge error: " + e.getMessage(), e);
 110         }
 111
 112     }
 113
 114     @Override
 115     public void addDevice(String uri) {
 116         try {
 117             m.addDeviceLink(new URI(uri));
 118         } catch (IOException | InvalidKeyException e) {
 119             throw new Error.Failure(e.getClass().getSimpleName() + " Add device link failed. " + e.getMessage());
 120         } catch (URISyntaxException e) {
 121             throw new Error.InvalidUri(e.getClass().getSimpleName()
 122                     + " Device link uri has invalid format: "
 123                     + e.getMessage());
 124         }
 125     }
 126
 127     @Override
 128     public DBusPath getDevice(long deviceId) {
 129         updateDevices();
 130         final var deviceOptional = devices.stream().filter(g -> g.getId().equals(deviceId)).findFirst();
 131         if (deviceOptional.isEmpty()) {
 132             throw new Error.DeviceNotFound("Device not found");
 133         }
 134         return deviceOptional.get().getObjectPath();
 135     }
 136
 137     @Override
 138     public List<StructDevice> listDevices() {
 139         updateDevices();
 140         return this.devices;
 141     }
 142
 143     @Override
 144     public DBusPath getThisDevice() {
 145         updateDevices();
 146         return thisDevice;
 147     }
 148
 149     @Override
 150     public long sendMessage(final String message, final List<String> attachments, final String recipient) {
 151         var recipients = new ArrayList<String>(1);
 152         recipients.add(recipient);
 153         return sendMessage(message, attachments, recipients);
 154     }
 155
 156     @Override
 157     public long sendMessage(final String message, final List<String> attachments, final List<String> recipients) {
 158         try {
 159             final var results = m.sendMessage(new Message(message, attachments),
 160                     getSingleRecipientIdentifiers(recipients, m.getSelfNumber()).stream()
 161                             .map(RecipientIdentifier.class::cast)
 162                             .collect(Collectors.toSet()));
 163
 164             checkSendMessageResults(results.getTimestamp(), results.getResults());
 165             return results.getTimestamp();
 166         } catch (AttachmentInvalidException e) {
 167             throw new Error.AttachmentInvalid(e.getMessage());
 168         } catch (IOException e) {
 169             throw new Error.Failure(e.getMessage());
 170         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 171             throw new Error.GroupNotFound(e.getMessage());
 172         }
 173     }
 174
 175     @Override
 176     public long sendRemoteDeleteMessage(
 177             final long targetSentTimestamp, final String recipient
 178     ) {
 179         var recipients = new ArrayList<String>(1);
 180         recipients.add(recipient);
 181         return sendRemoteDeleteMessage(targetSentTimestamp, recipients);
 182     }
 183
 184     @Override
 185     public long sendRemoteDeleteMessage(
 186             final long targetSentTimestamp, final List<String> recipients
 187     ) {
 188         try {
 189             final var results = m.sendRemoteDeleteMessage(targetSentTimestamp,
 190                     getSingleRecipientIdentifiers(recipients, m.getSelfNumber()).stream()
 191                             .map(RecipientIdentifier.class::cast)
 192                             .collect(Collectors.toSet()));
 193             checkSendMessageResults(results.getTimestamp(), results.getResults());
 194             return results.getTimestamp();
 195         } catch (IOException e) {
 196             throw new Error.Failure(e.getMessage());
 197         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 198             throw new Error.GroupNotFound(e.getMessage());
 199         }
 200     }
 201
 202     @Override
 203     public long sendGroupRemoteDeleteMessage(
 204             final long targetSentTimestamp, final byte[] groupId
 205     ) {
 206         try {
 207             final var results = m.sendRemoteDeleteMessage(targetSentTimestamp,
 208                     Set.of(new RecipientIdentifier.Group(getGroupId(groupId))));
 209             checkSendMessageResults(results.getTimestamp(), results.getResults());
 210             return results.getTimestamp();
 211         } catch (IOException e) {
 212             throw new Error.Failure(e.getMessage());
 213         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 214             throw new Error.GroupNotFound(e.getMessage());
 215         }
 216     }
 217
 218     @Override
 219     public long sendMessageReaction(
 220             final String emoji,
 221             final boolean remove,
 222             final String targetAuthor,
 223             final long targetSentTimestamp,
 224             final String recipient
 225     ) {
 226         var recipients = new ArrayList<String>(1);
 227         recipients.add(recipient);
 228         return sendMessageReaction(emoji, remove, targetAuthor, targetSentTimestamp, recipients);
 229     }
 230
 231     @Override
 232     public long sendMessageReaction(
 233             final String emoji,
 234             final boolean remove,
 235             final String targetAuthor,
 236             final long targetSentTimestamp,
 237             final List<String> recipients
 238     ) {
 239         try {
 240             final var results = m.sendMessageReaction(emoji,
 241                     remove,
 242                     getSingleRecipientIdentifier(targetAuthor, m.getSelfNumber()),
 243                     targetSentTimestamp,
 244                     getSingleRecipientIdentifiers(recipients, m.getSelfNumber()).stream()
 245                             .map(RecipientIdentifier.class::cast)
 246                             .collect(Collectors.toSet()));
 247             checkSendMessageResults(results.getTimestamp(), results.getResults());
 248             return results.getTimestamp();
 249         } catch (IOException e) {
 250             throw new Error.Failure(e.getMessage());
 251         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 252             throw new Error.GroupNotFound(e.getMessage());
 253         }
 254     }
 255
 256     @Override
 257     public void sendTyping(
 258             final String recipient, final boolean stop
 259     ) throws Error.Failure, Error.GroupNotFound, Error.UntrustedIdentity {
 260         try {
 261             var recipients = new ArrayList<String>(1);
 262             recipients.add(recipient);
 263             m.sendTypingMessage(stop ? TypingAction.STOP : TypingAction.START,
 264                     getSingleRecipientIdentifiers(recipients, m.getSelfNumber()).stream()
 265                             .map(RecipientIdentifier.class::cast)
 266                             .collect(Collectors.toSet()));
 267         } catch (IOException e) {
 268             throw new Error.Failure(e.getMessage());
 269         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 270             throw new Error.GroupNotFound(e.getMessage());
 271         } catch (UntrustedIdentityException e) {
 272             throw new Error.UntrustedIdentity(e.getMessage());
 273         }
 274     }
 275
 276     @Override
 277     public void sendReadReceipt(
 278             final String recipient, final List<Long> messageIds
 279     ) throws Error.Failure, Error.UntrustedIdentity {
 280         try {
 281             m.sendReadReceipt(getSingleRecipientIdentifier(recipient, m.getSelfNumber()), messageIds);
 282         } catch (IOException e) {
 283             throw new Error.Failure(e.getMessage());
 284         } catch (UntrustedIdentityException e) {
 285             throw new Error.UntrustedIdentity(e.getMessage());
 286         }
 287     }
 288
 289     @Override
 290     public void sendContacts() {
 291         try {
 292             m.sendContacts();
 293         } catch (IOException e) {
 294             throw new Error.Failure("SendContacts error: " + e.getMessage());
 295         }
 296     }
 297
 298     @Override
 299     public void sendSyncRequest() {
 300         try {
 301             m.requestAllSyncData();
 302         } catch (IOException e) {
 303             throw new Error.Failure("Request sync data error: " + e.getMessage());
 304         }
 305     }
 306
 307     @Override
 308     public long sendNoteToSelfMessage(
 309             final String message, final List<String> attachments
 310     ) throws Error.AttachmentInvalid, Error.Failure, Error.UntrustedIdentity {
 311         try {
 312             final var results = m.sendMessage(new Message(message, attachments),
 313                     Set.of(RecipientIdentifier.NoteToSelf.INSTANCE));
 314             checkSendMessageResults(results.getTimestamp(), results.getResults());
 315             return results.getTimestamp();
 316         } catch (AttachmentInvalidException e) {
 317             throw new Error.AttachmentInvalid(e.getMessage());
 318         } catch (IOException e) {
 319             throw new Error.Failure(e.getMessage());
 320         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 321             throw new Error.GroupNotFound(e.getMessage());
 322         }
 323     }
 324
 325     @Override
 326     public void sendEndSessionMessage(final List<String> recipients) {
 327         try {
 328             final var results = m.sendEndSessionMessage(getSingleRecipientIdentifiers(recipients, m.getSelfNumber()));
 329             checkSendMessageResults(results.getTimestamp(), results.getResults());
 330         } catch (IOException e) {
 331             throw new Error.Failure(e.getMessage());
 332         }
 333     }
 334
 335     @Override
 336     public long sendGroupMessage(final String message, final List<String> attachments, final byte[] groupId) {
 337         try {
 338             var results = m.sendMessage(new Message(message, attachments),
 339                     Set.of(new RecipientIdentifier.Group(getGroupId(groupId))));
 340             checkSendMessageResults(results.getTimestamp(), results.getResults());
 341             return results.getTimestamp();
 342         } catch (IOException e) {
 343             throw new Error.Failure(e.getMessage());
 344         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 345             throw new Error.GroupNotFound(e.getMessage());
 346         } catch (AttachmentInvalidException e) {
 347             throw new Error.AttachmentInvalid(e.getMessage());
 348         }
 349     }
 350
 351     @Override
 352     public long sendGroupMessageReaction(
 353             final String emoji,
 354             final boolean remove,
 355             final String targetAuthor,
 356             final long targetSentTimestamp,
 357             final byte[] groupId
 358     ) {
 359         try {
 360             final var results = m.sendMessageReaction(emoji,
 361                     remove,
 362                     getSingleRecipientIdentifier(targetAuthor, m.getSelfNumber()),
 363                     targetSentTimestamp,
 364                     Set.of(new RecipientIdentifier.Group(getGroupId(groupId))));
 365             checkSendMessageResults(results.getTimestamp(), results.getResults());
 366             return results.getTimestamp();
 367         } catch (IOException e) {
 368             throw new Error.Failure(e.getMessage());
 369         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 370             throw new Error.GroupNotFound(e.getMessage());
 371         }
 372     }
 373
 374     // Since contact names might be empty if not defined, also potentially return
 375     // the profile name
 376     @Override
 377     public String getContactName(final String number) {
 378         final var name = m.getContactOrProfileName(getSingleRecipientIdentifier(number, m.getSelfNumber()));
 379         return name == null ? "" : name;
 380     }
 381
 382     @Override
 383     public void setContactName(final String number, final String name) {
 384         try {
 385             m.setContactName(getSingleRecipientIdentifier(number, m.getSelfNumber()), name);
 386         } catch (NotMasterDeviceException e) {
 387             throw new Error.Failure("This command doesn't work on linked devices.");
 388         } catch (UnregisteredUserException e) {
 389             throw new Error.Failure("Contact is not registered.");
 390         }
 391     }
 392
 393     @Override
 394     public void setExpirationTimer(final String number, final int expiration) {
 395         try {
 396             m.setExpirationTimer(getSingleRecipientIdentifier(number, m.getSelfNumber()), expiration);
 397         } catch (IOException e) {
 398             throw new Error.Failure(e.getMessage());
 399         }
 400     }
 401
 402     @Override
 403     public void setContactBlocked(final String number, final boolean blocked) {
 404         try {
 405             m.setContactBlocked(getSingleRecipientIdentifier(number, m.getSelfNumber()), blocked);
 406         } catch (NotMasterDeviceException e) {
 407             throw new Error.Failure("This command doesn't work on linked devices.");
 408         } catch (IOException e) {
 409             throw new Error.Failure(e.getMessage());
 410         }
 411     }
 412
 413     @Override
 414     public void setGroupBlocked(final byte[] groupId, final boolean blocked) {
 415         try {
 416             m.setGroupBlocked(getGroupId(groupId), blocked);
 417         } catch (NotMasterDeviceException e) {
 418             throw new Error.Failure("This command doesn't work on linked devices.");
 419         } catch (GroupNotFoundException e) {
 420             throw new Error.GroupNotFound(e.getMessage());
 421         } catch (IOException e) {
 422             throw new Error.Failure(e.getMessage());
 423         }
 424     }
 425
 426     @Override
 427     public List<byte[]> getGroupIds() {
 428         var groups = m.getGroups();
 429         var ids = new ArrayList<byte[]>(groups.size());
 430         for (var group : groups) {
 431             ids.add(group.getGroupId().serialize());
 432         }
 433         return ids;
 434     }
 435
 436     @Override
 437     public DBusPath getGroup(final byte[] groupId) {
 438         updateGroups();
 439         final var groupOptional = groups.stream().filter(g -> Arrays.equals(g.getId(), groupId)).findFirst();
 440         if (groupOptional.isEmpty()) {
 441             throw new Error.GroupNotFound("Group not found");
 442         }
 443         return groupOptional.get().getObjectPath();
 444     }
 445
 446     @Override
 447     public List<StructGroup> listGroups() {
 448         updateGroups();
 449         return groups;
 450     }
 451
 452     @Override
 453     public String getGroupName(final byte[] groupId) {
 454         var group = m.getGroup(getGroupId(groupId));
 455         if (group == null || group.getTitle() == null) {
 456             return "";
 457         } else {
 458             return group.getTitle();
 459         }
 460     }
 461
 462     @Override
 463     public List<String> getGroupMembers(final byte[] groupId) {
 464         var group = m.getGroup(getGroupId(groupId));
 465         if (group == null) {
 466             return List.of();
 467         } else {
 468             final var members = group.getMembers();
 469             return getRecipientStrings(members);
 470         }
 471     }
 472
 473     @Override
 474     public byte[] createGroup(
 475             final String name, final List<String> members, final String avatar
 476     ) throws Error.AttachmentInvalid, Error.Failure, Error.InvalidNumber {
 477         return updateGroup(new byte[0], name, members, avatar);
 478     }
 479
 480     @Override
 481     public byte[] updateGroup(byte[] groupId, String name, List<String> members, String avatar) {
 482         try {
 483             groupId = nullIfEmpty(groupId);
 484             name = nullIfEmpty(name);
 485             avatar = nullIfEmpty(avatar);
 486             final var memberIdentifiers = getSingleRecipientIdentifiers(members, m.getSelfNumber());
 487             if (groupId == null) {
 488                 final var results = m.createGroup(name, memberIdentifiers, avatar == null ? null : new File(avatar));
 489                 checkSendMessageResults(results.second().getTimestamp(), results.second().getResults());
 490                 return results.first().serialize();
 491             } else {
 492                 final var results = m.updateGroup(getGroupId(groupId),
 493                         UpdateGroup.newBuilder()
 494                                 .withName(name)
 495                                 .withMembers(memberIdentifiers)
 496                                 .withAvatarFile(avatar == null ? null : new File(avatar))
 497                                 .build());
 498                 if (results != null) {
 499                     checkSendMessageResults(results.getTimestamp(), results.getResults());
 500                 }
 501                 return groupId;
 502             }
 503         } catch (IOException e) {
 504             throw new Error.Failure(e.getMessage());
 505         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 506             throw new Error.GroupNotFound(e.getMessage());
 507         } catch (AttachmentInvalidException e) {
 508             throw new Error.AttachmentInvalid(e.getMessage());
 509         }
 510     }
 511
 512     @Override
 513     public boolean isRegistered() {
 514         return true;
 515     }
 516
 517     @Override
 518     public boolean isRegistered(String number) {
 519         var result = isRegistered(List.of(number));
 520         return result.get(0);
 521     }
 522
 523     @Override
 524     public List<Boolean> isRegistered(List<String> numbers) {
 525         var results = new ArrayList<Boolean>();
 526         if (numbers.isEmpty()) {
 527             return results;
 528         }
 529
 530         Map<String, Pair<String, UUID>> registered;
 531         try {
 532             registered = m.areUsersRegistered(new HashSet<>(numbers));
 533         } catch (IOException e) {
 534             throw new Error.Failure(e.getMessage());
 535         }
 536
 537         return numbers.stream().map(number -> {
 538             var uuid = registered.get(number).second();
 539             return uuid != null;
 540         }).collect(Collectors.toList());
 541     }
 542
 543     @Override
 544     public void updateProfile(
 545             String givenName,
 546             String familyName,
 547             String about,
 548             String aboutEmoji,
 549             String avatarPath,
 550             final boolean removeAvatar
 551     ) {
 552         try {
 553             givenName = nullIfEmpty(givenName);
 554             familyName = nullIfEmpty(familyName);
 555             about = nullIfEmpty(about);
 556             aboutEmoji = nullIfEmpty(aboutEmoji);
 557             avatarPath = nullIfEmpty(avatarPath);
 558             Optional<File> avatarFile = removeAvatar
 559                     ? Optional.absent()
 560                     : avatarPath == null ? null : Optional.of(new File(avatarPath));
 561             m.setProfile(givenName, familyName, about, aboutEmoji, avatarFile);
 562         } catch (IOException e) {
 563             throw new Error.Failure(e.getMessage());
 564         }
 565     }
 566
 567     @Override
 568     public void updateProfile(
 569             final String name,
 570             final String about,
 571             final String aboutEmoji,
 572             String avatarPath,
 573             final boolean removeAvatar
 574     ) {
 575         updateProfile(name, "", about, aboutEmoji, avatarPath, removeAvatar);
 576     }
 577
 578     @Override
 579     public void removePin() {
 580         try {
 581             m.setRegistrationLockPin(Optional.absent());
 582         } catch (UnauthenticatedResponseException e) {
 583             throw new Error.Failure("Remove pin failed with unauthenticated response: " + e.getMessage());
 584         } catch (IOException e) {
 585             throw new Error.Failure("Remove pin error: " + e.getMessage());
 586         }
 587     }
 588
 589     @Override
 590     public void setPin(String registrationLockPin) {
 591         try {
 592             m.setRegistrationLockPin(Optional.of(registrationLockPin));
 593         } catch (UnauthenticatedResponseException e) {
 594             throw new Error.Failure("Set pin error failed with unauthenticated response: " + e.getMessage());
 595         } catch (IOException e) {
 596             throw new Error.Failure("Set pin error: " + e.getMessage());
 597         }
 598     }
 599
 600     // Provide option to query a version string in order to react on potential
 601     // future interface changes
 602     @Override
 603     public String version() {
 604         return BaseConfig.PROJECT_VERSION;
 605     }
 606
 607     // Create a unique list of Numbers from Identities and Contacts to really get
 608     // all numbers the system knows
 609     @Override
 610     public List<String> listNumbers() {
 611         return Stream.concat(m.getIdentities().stream().map(Identity::getRecipient),
 612                 m.getContacts().stream().map(Pair::first))
 613                 .map(a -> a.getNumber().orElse(null))
 614                 .filter(Objects::nonNull)
 615                 .distinct()
 616                 .collect(Collectors.toList());
 617     }
 618
 619     @Override
 620     public List<String> getContactNumber(final String name) {
 621         // Contact names have precedence.
 622         var numbers = new ArrayList<String>();
 623         var contacts = m.getContacts();
 624         for (var c : contacts) {
 625             if (name.equals(c.second().getName())) {
 626                 numbers.add(c.first().getLegacyIdentifier());
 627             }
 628         }
 629         // Try profiles if no contact name was found
 630         for (var identity : m.getIdentities()) {
 631             final var address = identity.getRecipient();
 632             var number = address.getNumber().orElse(null);
 633             if (number != null) {
 634                 Profile profile = null;
 635                 try {
 636                     profile = m.getRecipientProfile(RecipientIdentifier.Single.fromAddress(address));
 637                 } catch (UnregisteredUserException ignored) {
 638                 }
 639                 if (profile != null && profile.getDisplayName().equals(name)) {
 640                     numbers.add(number);
 641                 }
 642             }
 643         }
 644         return numbers;
 645     }
 646
 647     @Override
 648     public void quitGroup(final byte[] groupId) {
 649         var group = getGroupId(groupId);
 650         try {
 651             m.quitGroup(group, Set.of());
 652         } catch (GroupNotFoundException | NotAGroupMemberException e) {
 653             throw new Error.GroupNotFound(e.getMessage());
 654         } catch (IOException | LastGroupAdminException e) {
 655             throw new Error.Failure(e.getMessage());
 656         }
 657     }
 658
 659     @Override
 660     public byte[] joinGroup(final String groupLink) {
 661         try {
 662             final var linkUrl = GroupInviteLinkUrl.fromUri(groupLink);
 663             if (linkUrl == null) {
 664                 throw new Error.Failure("Group link is invalid:");
 665             }
 666             final var result = m.joinGroup(linkUrl);
 667             return result.first().serialize();
 668         } catch (GroupInviteLinkUrl.InvalidGroupLinkException | GroupLinkNotActiveException e) {
 669             throw new Error.Failure("Group link is invalid: " + e.getMessage());
 670         } catch (GroupInviteLinkUrl.UnknownGroupLinkVersionException e) {
 671             throw new Error.Failure("Group link was created with an incompatible version: " + e.getMessage());
 672         } catch (IOException e) {
 673             throw new Error.Failure(e.getMessage());
 674         }
 675     }
 676
 677     @Override
 678     public boolean isContactBlocked(final String number) {
 679         return m.isContactBlocked(getSingleRecipientIdentifier(number, m.getSelfNumber()));
 680     }
 681
 682     @Override
 683     public boolean isGroupBlocked(final byte[] groupId) {
 684         var group = m.getGroup(getGroupId(groupId));
 685         if (group == null) {
 686             return false;
 687         } else {
 688             return group.isBlocked();
 689         }
 690     }
 691
 692     @Override
 693     public boolean isMember(final byte[] groupId) {
 694         var group = m.getGroup(getGroupId(groupId));
 695         if (group == null) {
 696             return false;
 697         } else {
 698             return group.isMember();
 699         }
 700     }
 701
 702     @Override
 703     public String uploadStickerPack(String stickerPackPath) {
 704         File path = new File(stickerPackPath);
 705         try {
 706             return m.uploadStickerPack(path).toString();
 707         } catch (IOException e) {
 708             throw new Error.IOError("Upload error (maybe image size is too large):" + e.getMessage());
 709         } catch (StickerPackInvalidException e) {
 710             throw new Error.Failure("Invalid sticker pack: " + e.getMessage());
 711         }
 712     }
 713
 714     private static void checkSendMessageResult(long timestamp, SendMessageResult result) throws DBusExecutionException {
 715         var error = ErrorUtils.getErrorMessageFromSendMessageResult(result);
 716
 717         if (error == null) {
 718             return;
 719         }
 720
 721         final var message = timestamp + "\nFailed to send message:\n" + error + '\n';
 722
 723         if (result.getIdentityFailure() != null) {
 724             throw new Error.UntrustedIdentity(message);
 725         } else {
 726             throw new Error.Failure(message);
 727         }
 728     }
 729
 730     private static void checkSendMessageResults(
 731             long timestamp, Map<RecipientIdentifier, List<SendMessageResult>> results
 732     ) throws DBusExecutionException {
 733         final var sendMessageResults = results.values().stream().findFirst();
 734         if (results.size() == 1 && sendMessageResults.get().size() == 1) {
 735             checkSendMessageResult(timestamp, sendMessageResults.get().stream().findFirst().get());
 736             return;
 737         }
 738
 739         var errors = ErrorUtils.getErrorMessagesFromSendMessageResults(results);
 740         if (errors.size() == 0) {
 741             return;
 742         }
 743
 744         var message = new StringBuilder();
 745         message.append(timestamp).append('\n');
 746         message.append("Failed to send (some) messages:\n");
 747         for (var error : errors) {
 748             message.append(error).append('\n');
 749         }
 750
 751         throw new Error.Failure(message.toString());
 752     }
 753
 754     private static void checkSendMessageResults(
 755             long timestamp, Collection<SendMessageResult> results
 756     ) throws DBusExecutionException {
 757         if (results.size() == 1) {
 758             checkSendMessageResult(timestamp, results.stream().findFirst().get());
 759             return;
 760         }
 761
 762         var errors = ErrorUtils.getErrorMessagesFromSendMessageResults(results);
 763         if (errors.size() == 0) {
 764             return;
 765         }
 766
 767         var message = new StringBuilder();
 768         message.append(timestamp).append('\n');
 769         message.append("Failed to send (some) messages:\n");
 770         for (var error : errors) {
 771             message.append(error).append('\n');
 772         }
 773
 774         throw new Error.Failure(message.toString());
 775     }
 776
 777     private static List<String> getRecipientStrings(final Set<RecipientAddress> members) {
 778         return members.stream().map(RecipientAddress::getLegacyIdentifier).collect(Collectors.toList());
 779     }
 780
 781     private static Set<RecipientIdentifier.Single> getSingleRecipientIdentifiers(
 782             final Collection<String> recipientStrings, final String localNumber
 783     ) throws DBusExecutionException {
 784         final var identifiers = new HashSet<RecipientIdentifier.Single>();
 785         for (var recipientString : recipientStrings) {
 786             identifiers.add(getSingleRecipientIdentifier(recipientString, localNumber));
 787         }
 788         return identifiers;
 789     }
 790
 791     private static RecipientIdentifier.Single getSingleRecipientIdentifier(
 792             final String recipientString, final String localNumber
 793     ) throws DBusExecutionException {
 794         try {
 795             return RecipientIdentifier.Single.fromString(recipientString, localNumber);
 796         } catch (InvalidNumberException e) {
 797             throw new Error.InvalidNumber(e.getMessage());
 798         }
 799     }
 800
 801     private static GroupId getGroupId(byte[] groupId) throws DBusExecutionException {
 802         try {
 803             return GroupId.unknownVersion(groupId);
 804         } catch (Throwable e) {
 805             throw new Error.InvalidGroupId("Invalid group id: " + e.getMessage());
 806         }
 807     }
 808
 809     private byte[] nullIfEmpty(final byte[] array) {
 810         return array.length == 0 ? null : array;
 811     }
 812
 813     private String nullIfEmpty(final String name) {
 814         return name.isEmpty() ? null : name;
 815     }
 816
 817     private String emptyIfNull(final String string) {
 818         return string == null ? "" : string;
 819     }
 820
 821     private static String getDeviceObjectPath(String basePath, long deviceId) {
 822         return basePath + "/Devices/" + deviceId;
 823     }
 824
 825     private void updateDevices() {
 826         List<org.asamk.signal.manager.api.Device> linkedDevices;
 827         try {
 828             linkedDevices = m.getLinkedDevices();
 829         } catch (IOException e) {
 830             throw new Error.Failure("Failed to get linked devices: " + e.getMessage());
 831         }
 832
 833         unExportDevices();
 834
 835         linkedDevices.forEach(d -> {
 836             final var object = new DbusSignalDeviceImpl(d);
 837             final var deviceObjectPath = object.getObjectPath();
 838             try {
 839                 connection.exportObject(object);
 840                 logger.info("Exported dbus object: " + deviceObjectPath);
 841             } catch (DBusException e) {
 842                 e.printStackTrace();
 843             }
 844             if (d.isThisDevice()) {
 845                 thisDevice = new DBusPath(deviceObjectPath);
 846             }
 847             this.devices.add(new StructDevice(new DBusPath(deviceObjectPath), d.getId(), emptyIfNull(d.getName())));
 848         });
 849     }
 850
 851     private void unExportDevices() {
 852         this.devices.stream()
 853                 .map(StructDevice::getObjectPath)
 854                 .map(DBusPath::getPath)
 855                 .forEach(connection::unExportObject);
 856         this.devices.clear();
 857     }
 858
 859     private static String getGroupObjectPath(String basePath, byte[] groupId) {
 860         return basePath + "/Groups/" + Base64.getEncoder()
 861                 .encodeToString(groupId)
 862                 .replace("+", "_")
 863                 .replace("/", "_")
 864                 .replace("=", "_");
 865     }
 866
 867     private void updateGroups() {
 868         List<org.asamk.signal.manager.api.Group> groups;
 869         groups = m.getGroups();
 870
 871         unExportGroups();
 872
 873         groups.forEach(g -> {
 874             final var object = new DbusSignalGroupImpl(g.getGroupId());
 875             try {
 876                 connection.exportObject(object);
 877                 logger.info("Exported dbus object: " + object.getObjectPath());
 878             } catch (DBusException e) {
 879                 e.printStackTrace();
 880             }
 881             this.groups.add(new StructGroup(new DBusPath(object.getObjectPath()),
 882                     g.getGroupId().serialize(),
 883                     emptyIfNull(g.getTitle())));
 884         });
 885     }
 886
 887     private void unExportGroups() {
 888         this.groups.stream().map(StructGroup::getObjectPath).map(DBusPath::getPath).forEach(connection::unExportObject);
 889         this.groups.clear();
 890     }
 891
 892     private void unExportConfiguration() {
 893         final var object = getConfigurationObjectPath(objectPath);
 894         connection.unExportObject(object);
 895     }
 896
 897     private static String getConfigurationObjectPath(String basePath) {
 898         return basePath + "/Configuration";
 899     }
 900
 901     private void updateConfiguration() {
 902
 903         Boolean readReceipts = null;
 904         Boolean unidentifiedDeliveryIndicators = null;
 905         Boolean typingIndicators = null;
 906         Boolean linkPreviews = null;
 907         List<Boolean> configuration = new ArrayList<>(4);
 908
 909         try {
 910             configuration = m.getConfiguration();
 911         } catch (NotMasterDeviceException e) {
 912             logger.info("Not exporting Configuration for " + m.getSelfNumber() + ": " + e.getMessage());
 913             return;
 914         } catch (IOException e) {
 915             throw new Error.IOError(objectPath + e.getMessage());
 916         } catch (NullPointerException e) {
 917             logger.info("No configuration found, creating one for " + m.getSelfNumber() + ": " + e.getMessage());
 918             readReceipts = true;
 919             unidentifiedDeliveryIndicators = true;
 920             typingIndicators = true;
 921             linkPreviews = true;
 922         }
 923         if (readReceipts == null) {
 924             try {
 925                 readReceipts = configuration.get(0);
 926             } catch (NullPointerException e) {
 927                 readReceipts = true;
 928             }
 929         }
 930         if (unidentifiedDeliveryIndicators == null) {
 931             try {
 932                 unidentifiedDeliveryIndicators = configuration.get(1);
 933             } catch (NullPointerException e) {
 934                 unidentifiedDeliveryIndicators = true;
 935             }
 936         }
 937         if (typingIndicators == null) {
 938             try {
 939                 typingIndicators = configuration.get(2);
 940             } catch (NullPointerException e) {
 941                 typingIndicators = true;
 942             }
 943         }
 944         if (linkPreviews == null) {
 945             try {
 946                 linkPreviews = configuration.get(3);
 947             } catch (NullPointerException e) {
 948                 linkPreviews = true;
 949             }
 950         }
 951
 952         try {
 953             unExportConfiguration();
 954             m.updateConfiguration(readReceipts, unidentifiedDeliveryIndicators, typingIndicators, linkPreviews);
 955             final var object = new DbusSignalConfigurationImpl(readReceipts, unidentifiedDeliveryIndicators, typingIndicators, linkPreviews);
 956             connection.exportObject(object);
 957             logger.info("Exported dbus object: " + objectPath + "/Configuration");
 958         } catch (NotMasterDeviceException ignore) {
 959             /* already caught */
 960         } catch (IOException e) {
 961             throw new Error.IOError(objectPath + e.getMessage());
 962         } catch (DBusException e) {
 963             e.printStackTrace();
 964         }
 965     }
 966
 967
 968     public class DbusSignalDeviceImpl extends DbusProperties implements Signal.Device {
 969
 970         private final org.asamk.signal.manager.api.Device device;
 971
 972         public DbusSignalDeviceImpl(final org.asamk.signal.manager.api.Device device) {
 973             super.addPropertiesHandler(new DbusInterfacePropertiesHandler("org.asamk.Signal.Device",
 974                     List.of(new DbusProperty<>("Id", device::getId),
 975                             new DbusProperty<>("Name", () -> emptyIfNull(device.getName()), this::setDeviceName),
 976                             new DbusProperty<>("Created", device::getCreated),
 977                             new DbusProperty<>("LastSeen", device::getLastSeen))));
 978             this.device = device;
 979         }
 980
 981         @Override
 982         public String getObjectPath() {
 983             return getDeviceObjectPath(objectPath, device.getId());
 984         }
 985
 986         @Override
 987         public void removeDevice() throws Error.Failure {
 988             try {
 989                 m.removeLinkedDevices(device.getId());
 990                 updateDevices();
 991             } catch (IOException e) {
 992                 throw new Error.Failure(e.getMessage());
 993             }
 994         }
 995
 996         private void setDeviceName(String name) {
 997             if (!device.isThisDevice()) {
 998                 throw new Error.Failure("Only the name of this device can be changed");
 999             }
1000             try {
1001                 m.updateAccountAttributes(name);
1002                 // update device list
1003                 updateDevices();
1004             } catch (IOException e) {
1005                 throw new Error.Failure(e.getMessage());
1006             }
1007         }
1008     }
1009
1010     public class DbusSignalConfigurationImpl extends DbusProperties implements Signal.Configuration {
1011
1012         private final Boolean readReceipts;
1013         private final Boolean unidentifiedDeliveryIndicators;
1014         private final Boolean typingIndicators;
1015         private final Boolean linkPreviews;
1016
1017         public DbusSignalConfigurationImpl(final Boolean readReceipts, final Boolean unidentifiedDeliveryIndicators, final Boolean typingIndicators, final Boolean linkPreviews) {
1018             this.readReceipts = readReceipts;
1019             this.unidentifiedDeliveryIndicators = unidentifiedDeliveryIndicators;
1020             this.typingIndicators = typingIndicators;
1021             this.linkPreviews = linkPreviews;
1022             super.addPropertiesHandler(new DbusInterfacePropertiesHandler("org.asamk.Signal.Configuration",
1023                     List.of(new DbusProperty<>("ConfigurationReadReceipts", () -> getReadReceipts(), this::setReadReceipts),
1024                             new DbusProperty<>("ConfigurationUnidentifiedDeliveryIndicators", () -> getUnidentifiedDeliveryIndicators(), this::setUnidentifiedDeliveryIndicators),
1025                             new DbusProperty<>("ConfigurationTypingIndicators", () -> getTypingIndicators(), this::setTypingIndicators),
1026                             new DbusProperty<>("ConfigurationLinkPreviews", () -> getLinkPreviews(), this::setLinkPreviews)
1027                             )
1028                     ));
1029
1030         }
1031
1032         @Override
1033         public String getObjectPath() {
1034               return getConfigurationObjectPath(objectPath);
1035         }
1036
1037         public void setReadReceipts(Boolean readReceipts) {
1038             setConfiguration(readReceipts, null, null, null);
1039         }
1040
1041         public void setUnidentifiedDeliveryIndicators(Boolean unidentifiedDeliveryIndicators) {
1042             setConfiguration(null, unidentifiedDeliveryIndicators, null, null);
1043         }
1044
1045         public void setTypingIndicators(Boolean typingIndicators) {
1046             setConfiguration(null, null, typingIndicators, null);
1047         }
1048
1049         public void setLinkPreviews(Boolean linkPreviews) {
1050             setConfiguration(null, null, null, linkPreviews);
1051         }
1052
1053         private void setConfiguration(Boolean readReceipts, Boolean unidentifiedDeliveryIndicators, Boolean typingIndicators, Boolean linkPreviews) {
1054             try {
1055                 if (readReceipts == null) {
1056                     readReceipts = m.getConfiguration().get(0);
1057                 }
1058                 if (unidentifiedDeliveryIndicators == null) {
1059                     unidentifiedDeliveryIndicators = m.getConfiguration().get(1);
1060                 }
1061                 if (typingIndicators == null) {
1062                     typingIndicators = m.getConfiguration().get(2);
1063                 }
1064                 if (linkPreviews == null) {
1065                     linkPreviews = m.getConfiguration().get(3);
1066                 }
1067                 m.updateConfiguration(readReceipts, unidentifiedDeliveryIndicators, typingIndicators, linkPreviews);
1068             } catch (IOException e) {
1069                 throw new Error.IOError("UpdateAccount error: " + e.getMessage());
1070             } catch (NotMasterDeviceException e) {
1071                 throw new Error.UserError("This command doesn't work on linked devices.");
1072             }
1073         }
1074
1075         public List<Boolean> getConfiguration() {
1076             List<Boolean> config = new ArrayList<>(4);
1077             try {
1078                 config = m.getConfiguration();
1079             } catch (IOException e) {
1080                 throw new Error.IOError("Configuration storage error: " + e.getMessage());
1081             } catch (NotMasterDeviceException e) {
1082                 throw new Error.UserError("This command doesn't work on linked devices.");
1083             }
1084             return config;
1085         }
1086
1087         public Boolean getReadReceipts() {
1088             try {
1089                 return m.getConfiguration().get(0);
1090             } catch (IOException e) {
1091                 throw new Error.IOError("Configuration storage error: " + e.getMessage());
1092             } catch (NotMasterDeviceException e) {
1093                 throw new Error.UserError("This command doesn't work on linked devices.");
1094             }
1095         }
1096
1097         public Boolean getUnidentifiedDeliveryIndicators() {
1098             try {
1099                 return m.getConfiguration().get(1);
1100             } catch (IOException e) {
1101                 throw new Error.IOError("Configuration storage error: " + e.getMessage());
1102             } catch (NotMasterDeviceException e) {
1103                 throw new Error.UserError("This command doesn't work on linked devices.");
1104             }
1105         }
1106
1107         public Boolean getTypingIndicators() {
1108             try {
1109                 return m.getConfiguration().get(2);
1110             } catch (IOException e) {
1111                 throw new Error.IOError("Configuration storage error: " + e.getMessage());
1112             } catch (NotMasterDeviceException e) {
1113                 throw new Error.UserError("This command doesn't work on linked devices.");
1114             }
1115         }
1116
1117         public Boolean getLinkPreviews() {
1118             try {
1119                 return m.getConfiguration().get(3);
1120             } catch (IOException e) {
1121                 throw new Error.IOError("Configuration storage error: " + e.getMessage());
1122             } catch (NotMasterDeviceException e) {
1123                 throw new Error.UserError("This command doesn't work on linked devices.");
1124             }
1125         }
1126     }
1127
1128     public class DbusSignalGroupImpl extends DbusProperties implements Signal.Group {
1129
1130         private final GroupId groupId;
1131
1132         public DbusSignalGroupImpl(final GroupId groupId) {
1133             this.groupId = groupId;
1134             super.addPropertiesHandler(new DbusInterfacePropertiesHandler("org.asamk.Signal.Group",
1135                     List.of(new DbusProperty<>("Id", groupId::serialize),
1136                             new DbusProperty<>("Name", () -> emptyIfNull(getGroup().getTitle()), this::setGroupName),
1137                             new DbusProperty<>("Description",
1138                                     () -> emptyIfNull(getGroup().getDescription()),
1139                                     this::setGroupDescription),
1140                             new DbusProperty<>("Avatar", this::setGroupAvatar),
1141                             new DbusProperty<>("IsBlocked", () -> getGroup().isBlocked(), this::setIsBlocked),
1142                             new DbusProperty<>("IsMember", () -> getGroup().isMember()),
1143                             new DbusProperty<>("IsAdmin", () -> getGroup().isAdmin()),
1144                             new DbusProperty<>("MessageExpirationTimer",
1145                                     () -> getGroup().getMessageExpirationTimer(),
1146                                     this::setMessageExpirationTime),
1147                             new DbusProperty<>("Members",
1148                                     () -> new Variant<>(getRecipientStrings(getGroup().getMembers()), "as")),
1149                             new DbusProperty<>("PendingMembers",
1150                                     () -> new Variant<>(getRecipientStrings(getGroup().getPendingMembers()), "as")),
1151                             new DbusProperty<>("RequestingMembers",
1152                                     () -> new Variant<>(getRecipientStrings(getGroup().getRequestingMembers()), "as")),
1153                             new DbusProperty<>("Admins",
1154                                     () -> new Variant<>(getRecipientStrings(getGroup().getAdminMembers()), "as")),
1155                             new DbusProperty<>("PermissionAddMember",
1156                                     () -> getGroup().getPermissionAddMember().name(),
1157                                     this::setGroupPermissionAddMember),
1158                             new DbusProperty<>("PermissionEditDetails",
1159                                     () -> getGroup().getPermissionEditDetails().name(),
1160                                     this::setGroupPermissionEditDetails),
1161                             new DbusProperty<>("PermissionSendMessage",
1162                                     () -> getGroup().getPermissionSendMessage().name(),
1163                                     this::setGroupPermissionSendMessage),
1164                             new DbusProperty<>("GroupInviteLink", () -> {
1165                                 final var groupInviteLinkUrl = getGroup().getGroupInviteLinkUrl();
1166                                 return groupInviteLinkUrl == null ? "" : groupInviteLinkUrl.getUrl();
1167                             }))));
1168         }
1169
1170         @Override
1171         public String getObjectPath() {
1172             return getGroupObjectPath(objectPath, groupId.serialize());
1173         }
1174
1175         @Override
1176         public void quitGroup() throws Error.Failure {
1177             try {
1178                 m.quitGroup(groupId, Set.of());
1179             } catch (GroupNotFoundException | NotAGroupMemberException e) {
1180                 throw new Error.GroupNotFound(e.getMessage());
1181             } catch (IOException e) {
1182                 throw new Error.Failure(e.getMessage());
1183             } catch (LastGroupAdminException e) {
1184                 throw new Error.LastGroupAdmin(e.getMessage());
1185             }
1186         }
1187
1188         @Override
1189         public void addMembers(final List<String> recipients) throws Error.Failure {
1190             final var memberIdentifiers = getSingleRecipientIdentifiers(recipients, m.getSelfNumber());
1191             updateGroup(UpdateGroup.newBuilder().withMembers(memberIdentifiers).build());
1192         }
1193
1194         @Override
1195         public void removeMembers(final List<String> recipients) throws Error.Failure {
1196             final var memberIdentifiers = getSingleRecipientIdentifiers(recipients, m.getSelfNumber());
1197             updateGroup(UpdateGroup.newBuilder().withRemoveMembers(memberIdentifiers).build());
1198         }
1199
1200         @Override
1201         public void addAdmins(final List<String> recipients) throws Error.Failure {
1202             final var memberIdentifiers = getSingleRecipientIdentifiers(recipients, m.getSelfNumber());
1203             updateGroup(UpdateGroup.newBuilder().withAdmins(memberIdentifiers).build());
1204         }
1205
1206         @Override
1207         public void removeAdmins(final List<String> recipients) throws Error.Failure {
1208             final var memberIdentifiers = getSingleRecipientIdentifiers(recipients, m.getSelfNumber());
1209             updateGroup(UpdateGroup.newBuilder().withRemoveAdmins(memberIdentifiers).build());
1210         }
1211
1212         @Override
1213         public void resetLink() throws Error.Failure {
1214             updateGroup(UpdateGroup.newBuilder().withResetGroupLink(true).build());
1215         }
1216
1217         @Override
1218         public void disableLink() throws Error.Failure {
1219             updateGroup(UpdateGroup.newBuilder().withGroupLinkState(GroupLinkState.DISABLED).build());
1220         }
1221
1222         @Override
1223         public void enableLink(final boolean requiresApproval) throws Error.Failure {
1224             updateGroup(UpdateGroup.newBuilder()
1225                     .withGroupLinkState(requiresApproval
1226                             ? GroupLinkState.ENABLED_WITH_APPROVAL
1227                             : GroupLinkState.ENABLED)
1228                     .build());
1229         }
1230
1231         private org.asamk.signal.manager.api.Group getGroup() {
1232             return m.getGroup(groupId);
1233         }
1234
1235         private void setGroupName(final String name) {
1236             updateGroup(UpdateGroup.newBuilder().withName(name).build());
1237         }
1238
1239         private void setGroupDescription(final String description) {
1240             updateGroup(UpdateGroup.newBuilder().withDescription(description).build());
1241         }
1242
1243         private void setGroupAvatar(final String avatar) {
1244             updateGroup(UpdateGroup.newBuilder().withAvatarFile(new File(avatar)).build());
1245         }
1246
1247         private void setMessageExpirationTime(final int expirationTime) {
1248             updateGroup(UpdateGroup.newBuilder().withExpirationTimer(expirationTime).build());
1249         }
1250
1251         private void setGroupPermissionAddMember(final String permission) {
1252             updateGroup(UpdateGroup.newBuilder().withAddMemberPermission(GroupPermission.valueOf(permission)).build());
1253         }
1254
1255         private void setGroupPermissionEditDetails(final String permission) {
1256             updateGroup(UpdateGroup.newBuilder()
1257                     .withEditDetailsPermission(GroupPermission.valueOf(permission))
1258                     .build());
1259         }
1260
1261         private void setGroupPermissionSendMessage(final String permission) {
1262             updateGroup(UpdateGroup.newBuilder()
1263                     .withIsAnnouncementGroup(GroupPermission.valueOf(permission) == GroupPermission.ONLY_ADMINS)
1264                     .build());
1265         }
1266
1267         private void setIsBlocked(final boolean isBlocked) {
1268             try {
1269                 m.setGroupBlocked(groupId, isBlocked);
1270             } catch (NotMasterDeviceException e) {
1271                 throw new Error.Failure("This command doesn't work on linked devices.");
1272             } catch (GroupNotFoundException e) {
1273                 throw new Error.GroupNotFound(e.getMessage());
1274             } catch (IOException e) {
1275                 throw new Error.Failure(e.getMessage());
1276             }
1277         }
1278
1279         private void updateGroup(final UpdateGroup updateGroup) {
1280             try {
1281                 m.updateGroup(groupId, updateGroup);
1282             } catch (IOException e) {
1283                 throw new Error.Failure(e.getMessage());
1284             } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
1285                 throw new Error.GroupNotFound(e.getMessage());
1286             } catch (AttachmentInvalidException e) {
1287                 throw new Error.AttachmentInvalid(e.getMessage());
1288             }
1289         }
1290     }
1291 }