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