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