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