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