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

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