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