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

   1 package org.asamk.signal.dbus;
   2
   3 import org.asamk.Signal;
   4 import org.asamk.signal.BaseConfig;
   5 import org.asamk.signal.manager.AttachmentInvalidException;
   6 import org.asamk.signal.manager.Manager;
   7 import org.asamk.signal.manager.NotMasterDeviceException;
   8 import org.asamk.signal.manager.StickerPackInvalidException;
   9 import org.asamk.signal.manager.api.Identity;
  10 import org.asamk.signal.manager.api.InactiveGroupLinkException;
  11 import org.asamk.signal.manager.api.InvalidDeviceLinkException;
  12 import org.asamk.signal.manager.api.InvalidNumberException;
  13 import org.asamk.signal.manager.api.Message;
  14 import org.asamk.signal.manager.api.Pair;
  15 import org.asamk.signal.manager.api.RecipientIdentifier;
  16 import org.asamk.signal.manager.api.SendMessageResult;
  17 import org.asamk.signal.manager.api.TypingAction;
  18 import org.asamk.signal.manager.api.UpdateGroup;
  19 import org.asamk.signal.manager.groups.GroupId;
  20 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  21 import org.asamk.signal.manager.groups.GroupLinkState;
  22 import org.asamk.signal.manager.groups.GroupNotFoundException;
  23 import org.asamk.signal.manager.groups.GroupPermission;
  24 import org.asamk.signal.manager.groups.GroupSendingNotAllowedException;
  25 import org.asamk.signal.manager.groups.LastGroupAdminException;
  26 import org.asamk.signal.manager.groups.NotAGroupMemberException;
  27 import org.asamk.signal.manager.storage.recipients.Profile;
  28 import org.asamk.signal.manager.storage.recipients.RecipientAddress;
  29 import org.asamk.signal.util.ErrorUtils;
  30 import org.freedesktop.dbus.DBusPath;
  31 import org.freedesktop.dbus.connections.impl.DBusConnection;
  32 import org.freedesktop.dbus.exceptions.DBusException;
  33 import org.freedesktop.dbus.exceptions.DBusExecutionException;
  34 import org.freedesktop.dbus.interfaces.DBusInterface;
  35 import org.freedesktop.dbus.types.Variant;
  36 import org.slf4j.Logger;
  37 import org.slf4j.LoggerFactory;
  38
  39 import java.io.File;
  40 import java.io.IOException;
  41 import java.net.URI;
  42 import java.net.URISyntaxException;
  43 import java.util.ArrayList;
  44 import java.util.Arrays;
  45 import java.util.Base64;
  46 import java.util.Collection;
  47 import java.util.HashSet;
  48 import java.util.List;
  49 import java.util.Map;
  50 import java.util.Objects;
  51 import java.util.Optional;
  52 import java.util.Set;
  53 import java.util.UUID;
  54 import java.util.stream.Collectors;
  55 import java.util.stream.Stream;
  56
  57 public class DbusSignalImpl implements Signal {
  58
  59     private final Manager m;
  60     private final DBusConnection connection;
  61     private final String objectPath;
  62     private final boolean noReceiveOnStart;
  63
  64     private DBusPath thisDevice;
  65     private final List<StructDevice> devices = new ArrayList<>();
  66     private final List<StructGroup> groups = new ArrayList<>();
  67     private DbusReceiveMessageHandler dbusMessageHandler;
  68     private int subscriberCount;
  69
  70     private final static Logger logger = LoggerFactory.getLogger(DbusSignalImpl.class);
  71
  72     public DbusSignalImpl(
  73             final Manager m, DBusConnection connection, final String objectPath, final boolean noReceiveOnStart
  74     ) {
  75         this.m = m;
  76         this.connection = connection;
  77         this.objectPath = objectPath;
  78         this.noReceiveOnStart = noReceiveOnStart;
  79     }
  80
  81     public void initObjects() {
  82         if (!noReceiveOnStart) {
  83             subscribeReceive();
  84         }
  85
  86         updateDevices();
  87         updateGroups();
  88         updateConfiguration();
  89     }
  90
  91     public void close() {
  92         if (dbusMessageHandler != null) {
  93             m.removeReceiveHandler(dbusMessageHandler);
  94             dbusMessageHandler = null;
  95         }
  96         unExportDevices();
  97         unExportGroups();
  98         unExportConfiguration();
  99     }
 100
 101     @Override
 102     public String getObjectPath() {
 103         return objectPath;
 104     }
 105
 106     @Override
 107     public String getSelfNumber() {
 108         return m.getSelfNumber();
 109     }
 110
 111     @Override
 112     public void subscribeReceive() {
 113         if (dbusMessageHandler == null) {
 114             dbusMessageHandler = new DbusReceiveMessageHandler(m, connection, objectPath);
 115             m.addReceiveHandler(dbusMessageHandler);
 116         }
 117         subscriberCount++;
 118     }
 119
 120     @Override
 121     public void unsubscribeReceive() {
 122         subscriberCount = Math.max(0, subscriberCount - 1);
 123         if (subscriberCount == 0 && dbusMessageHandler != null) {
 124             m.removeReceiveHandler(dbusMessageHandler);
 125             dbusMessageHandler = null;
 126         }
 127     }
 128
 129     @Override
 130     public void submitRateLimitChallenge(String challenge, String captcha) {
 131         try {
 132             m.submitRateLimitRecaptchaChallenge(challenge, captcha);
 133         } catch (IOException e) {
 134             throw new Error.Failure("Submit challenge error: " + e.getMessage());
 135         }
 136
 137     }
 138
 139     @Override
 140     public void unregister() throws Error.Failure {
 141         try {
 142             m.unregister();
 143         } catch (IOException e) {
 144             throw new Error.Failure("Failed to unregister: " + e.getMessage());
 145         }
 146     }
 147
 148     @Override
 149     public void deleteAccount() throws Error.Failure {
 150         try {
 151             m.deleteAccount();
 152         } catch (IOException e) {
 153             throw new Error.Failure("Failed to delete account: " + e.getMessage());
 154         }
 155     }
 156
 157     @Override
 158     public void addDevice(String uri) {
 159         try {
 160             m.addDeviceLink(new URI(uri));
 161         } catch (IOException | InvalidDeviceLinkException e) {
 162             throw new Error.Failure(e.getClass().getSimpleName() + " Add device link failed. " + e.getMessage());
 163         } catch (URISyntaxException e) {
 164             throw new Error.InvalidUri(e.getClass().getSimpleName()
 165                     + " Device link uri has invalid format: "
 166                     + e.getMessage());
 167         }
 168     }
 169
 170     @Override
 171     public DBusPath getDevice(long deviceId) {
 172         updateDevices();
 173         final var deviceOptional = devices.stream().filter(g -> g.getId().equals(deviceId)).findFirst();
 174         if (deviceOptional.isEmpty()) {
 175             throw new Error.DeviceNotFound("Device not found");
 176         }
 177         return deviceOptional.get().getObjectPath();
 178     }
 179
 180     @Override
 181     public List<StructDevice> listDevices() {
 182         updateDevices();
 183         return this.devices;
 184     }
 185
 186     @Override
 187     public DBusPath getThisDevice() {
 188         updateDevices();
 189         return thisDevice;
 190     }
 191
 192     @Override
 193     public long sendMessage(final String message, final List<String> attachments, final String recipient) {
 194         var recipients = new ArrayList<String>(1);
 195         recipients.add(recipient);
 196         return sendMessage(message, attachments, recipients);
 197     }
 198
 199     @Override
 200     public long sendMessage(final String message, final List<String> attachments, final List<String> recipients) {
 201         try {
 202             final var results = m.sendMessage(new Message(message, attachments, List.of(), Optional.empty()),
 203                     getSingleRecipientIdentifiers(recipients, m.getSelfNumber()).stream()
 204                             .map(RecipientIdentifier.class::cast)
 205                             .collect(Collectors.toSet()));
 206
 207             checkSendMessageResults(results.timestamp(), results.results());
 208             return results.timestamp();
 209         } catch (AttachmentInvalidException e) {
 210             throw new Error.AttachmentInvalid(e.getMessage());
 211         } catch (IOException e) {
 212             throw new Error.Failure(e);
 213         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 214             throw new Error.GroupNotFound(e.getMessage());
 215         }
 216     }
 217
 218     @Override
 219     public long sendRemoteDeleteMessage(
 220             final long targetSentTimestamp, final String recipient
 221     ) {
 222         var recipients = new ArrayList<String>(1);
 223         recipients.add(recipient);
 224         return sendRemoteDeleteMessage(targetSentTimestamp, recipients);
 225     }
 226
 227     @Override
 228     public long sendRemoteDeleteMessage(
 229             final long targetSentTimestamp, final List<String> recipients
 230     ) {
 231         try {
 232             final var results = m.sendRemoteDeleteMessage(targetSentTimestamp,
 233                     getSingleRecipientIdentifiers(recipients, m.getSelfNumber()).stream()
 234                             .map(RecipientIdentifier.class::cast)
 235                             .collect(Collectors.toSet()));
 236             checkSendMessageResults(results.timestamp(), results.results());
 237             return results.timestamp();
 238         } catch (IOException e) {
 239             throw new Error.Failure(e.getMessage());
 240         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 241             throw new Error.GroupNotFound(e.getMessage());
 242         }
 243     }
 244
 245     @Override
 246     public long sendGroupRemoteDeleteMessage(
 247             final long targetSentTimestamp, final byte[] groupId
 248     ) {
 249         try {
 250             final var results = m.sendRemoteDeleteMessage(targetSentTimestamp,
 251                     Set.of(new RecipientIdentifier.Group(getGroupId(groupId))));
 252             checkSendMessageResults(results.timestamp(), results.results());
 253             return results.timestamp();
 254         } catch (IOException e) {
 255             throw new Error.Failure(e.getMessage());
 256         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 257             throw new Error.GroupNotFound(e.getMessage());
 258         }
 259     }
 260
 261     @Override
 262     public long sendMessageReaction(
 263             final String emoji,
 264             final boolean remove,
 265             final String targetAuthor,
 266             final long targetSentTimestamp,
 267             final String recipient
 268     ) {
 269         var recipients = new ArrayList<String>(1);
 270         recipients.add(recipient);
 271         return sendMessageReaction(emoji, remove, targetAuthor, targetSentTimestamp, recipients);
 272     }
 273
 274     @Override
 275     public long sendMessageReaction(
 276             final String emoji,
 277             final boolean remove,
 278             final String targetAuthor,
 279             final long targetSentTimestamp,
 280             final List<String> recipients
 281     ) {
 282         try {
 283             final var results = m.sendMessageReaction(emoji,
 284                     remove,
 285                     getSingleRecipientIdentifier(targetAuthor, m.getSelfNumber()),
 286                     targetSentTimestamp,
 287                     getSingleRecipientIdentifiers(recipients, m.getSelfNumber()).stream()
 288                             .map(RecipientIdentifier.class::cast)
 289                             .collect(Collectors.toSet()));
 290             checkSendMessageResults(results.timestamp(), results.results());
 291             return results.timestamp();
 292         } catch (IOException e) {
 293             throw new Error.Failure(e.getMessage());
 294         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 295             throw new Error.GroupNotFound(e.getMessage());
 296         }
 297     }
 298
 299     @Override
 300     public void sendTyping(
 301             final String recipient, final boolean stop
 302     ) throws Error.Failure, Error.GroupNotFound, Error.UntrustedIdentity {
 303         try {
 304             var recipients = new ArrayList<String>(1);
 305             recipients.add(recipient);
 306             final var results = m.sendTypingMessage(stop ? TypingAction.STOP : TypingAction.START,
 307                     getSingleRecipientIdentifiers(recipients, m.getSelfNumber()).stream()
 308                             .map(RecipientIdentifier.class::cast)
 309                             .collect(Collectors.toSet()));
 310             checkSendMessageResults(results.timestamp(), results.results());
 311         } catch (IOException e) {
 312             throw new Error.Failure(e.getMessage());
 313         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 314             throw new Error.GroupNotFound(e.getMessage());
 315         }
 316     }
 317
 318     @Override
 319     public void sendReadReceipt(
 320             final String recipient, final List<Long> messageIds
 321     ) throws Error.Failure, Error.UntrustedIdentity {
 322         try {
 323             final var results = m.sendReadReceipt(getSingleRecipientIdentifier(recipient, m.getSelfNumber()),
 324                     messageIds);
 325             checkSendMessageResults(results.timestamp(), results.results());
 326         } catch (IOException e) {
 327             throw new Error.Failure(e.getMessage());
 328         }
 329     }
 330
 331     @Override
 332     public void sendViewedReceipt(
 333             final String recipient, final List<Long> messageIds
 334     ) throws Error.Failure, Error.UntrustedIdentity {
 335         try {
 336             final var results = m.sendViewedReceipt(getSingleRecipientIdentifier(recipient, m.getSelfNumber()),
 337                     messageIds);
 338             checkSendMessageResults(results.timestamp(), results.results());
 339         } catch (IOException e) {
 340             throw new Error.Failure(e.getMessage());
 341         }
 342     }
 343
 344     @Override
 345     public void sendContacts() {
 346         try {
 347             m.sendContacts();
 348         } catch (IOException e) {
 349             throw new Error.Failure("SendContacts error: " + e.getMessage());
 350         }
 351     }
 352
 353     @Override
 354     public void sendSyncRequest() {
 355         try {
 356             m.requestAllSyncData();
 357         } catch (IOException e) {
 358             throw new Error.Failure("Request sync data error: " + e.getMessage());
 359         }
 360     }
 361
 362     @Override
 363     public long sendNoteToSelfMessage(
 364             final String message, final List<String> attachments
 365     ) throws Error.AttachmentInvalid, Error.Failure, Error.UntrustedIdentity {
 366         try {
 367             final var results = m.sendMessage(new Message(message, attachments, List.of(), Optional.empty()),
 368                     Set.of(RecipientIdentifier.NoteToSelf.INSTANCE));
 369             checkSendMessageResults(results.timestamp(), results.results());
 370             return results.timestamp();
 371         } catch (AttachmentInvalidException e) {
 372             throw new Error.AttachmentInvalid(e.getMessage());
 373         } catch (IOException e) {
 374             throw new Error.Failure(e.getMessage());
 375         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 376             throw new Error.GroupNotFound(e.getMessage());
 377         }
 378     }
 379
 380     @Override
 381     public void sendEndSessionMessage(final List<String> recipients) {
 382         try {
 383             final var results = m.sendEndSessionMessage(getSingleRecipientIdentifiers(recipients, m.getSelfNumber()));
 384             checkSendMessageResults(results.timestamp(), results.results());
 385         } catch (IOException e) {
 386             throw new Error.Failure(e.getMessage());
 387         }
 388     }
 389
 390     @Override
 391     public long sendGroupMessage(final String message, final List<String> attachments, final byte[] groupId) {
 392         try {
 393             var results = m.sendMessage(new Message(message, attachments, List.of(), Optional.empty()),
 394                     Set.of(new RecipientIdentifier.Group(getGroupId(groupId))));
 395             checkSendMessageResults(results.timestamp(), results.results());
 396             return results.timestamp();
 397         } catch (IOException e) {
 398             throw new Error.Failure(e.getMessage());
 399         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 400             throw new Error.GroupNotFound(e.getMessage());
 401         } catch (AttachmentInvalidException e) {
 402             throw new Error.AttachmentInvalid(e.getMessage());
 403         }
 404     }
 405
 406     @Override
 407     public long sendGroupMessageReaction(
 408             final String emoji,
 409             final boolean remove,
 410             final String targetAuthor,
 411             final long targetSentTimestamp,
 412             final byte[] groupId
 413     ) {
 414         try {
 415             final var results = m.sendMessageReaction(emoji,
 416                     remove,
 417                     getSingleRecipientIdentifier(targetAuthor, m.getSelfNumber()),
 418                     targetSentTimestamp,
 419                     Set.of(new RecipientIdentifier.Group(getGroupId(groupId))));
 420             checkSendMessageResults(results.timestamp(), results.results());
 421             return results.timestamp();
 422         } catch (IOException e) {
 423             throw new Error.Failure(e.getMessage());
 424         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 425             throw new Error.GroupNotFound(e.getMessage());
 426         }
 427     }
 428
 429     // Since contact names might be empty if not defined, also potentially return
 430     // the profile name
 431     @Override
 432     public String getContactName(final String number) {
 433         final var name = m.getContactOrProfileName(getSingleRecipientIdentifier(number, m.getSelfNumber()));
 434         return name == null ? "" : name;
 435     }
 436
 437     @Override
 438     public void setContactName(final String number, final String name) {
 439         try {
 440             m.setContactName(getSingleRecipientIdentifier(number, m.getSelfNumber()), name);
 441         } catch (NotMasterDeviceException e) {
 442             throw new Error.Failure("This command doesn't work on linked devices.");
 443         } catch (IOException e) {
 444             throw new Error.Failure("Contact is not registered.");
 445         }
 446     }
 447
 448     @Override
 449     public void setExpirationTimer(final String number, final int expiration) {
 450         try {
 451             m.setExpirationTimer(getSingleRecipientIdentifier(number, m.getSelfNumber()), expiration);
 452         } catch (IOException e) {
 453             throw new Error.Failure(e.getMessage());
 454         }
 455     }
 456
 457     @Override
 458     public void setContactBlocked(final String number, final boolean blocked) {
 459         try {
 460             m.setContactBlocked(getSingleRecipientIdentifier(number, m.getSelfNumber()), blocked);
 461         } catch (NotMasterDeviceException e) {
 462             throw new Error.Failure("This command doesn't work on linked devices.");
 463         } catch (IOException e) {
 464             throw new Error.Failure(e.getMessage());
 465         }
 466     }
 467
 468     @Override
 469     public void setGroupBlocked(final byte[] groupId, final boolean blocked) {
 470         try {
 471             m.setGroupBlocked(getGroupId(groupId), blocked);
 472         } catch (NotMasterDeviceException e) {
 473             throw new Error.Failure("This command doesn't work on linked devices.");
 474         } catch (GroupNotFoundException e) {
 475             throw new Error.GroupNotFound(e.getMessage());
 476         } catch (IOException e) {
 477             throw new Error.Failure(e.getMessage());
 478         }
 479     }
 480
 481     @Override
 482     public List<byte[]> getGroupIds() {
 483         var groups = m.getGroups();
 484         var ids = new ArrayList<byte[]>(groups.size());
 485         for (var group : groups) {
 486             ids.add(group.groupId().serialize());
 487         }
 488         return ids;
 489     }
 490
 491     @Override
 492     public DBusPath getGroup(final byte[] groupId) {
 493         updateGroups();
 494         final var groupOptional = groups.stream().filter(g -> Arrays.equals(g.getId(), groupId)).findFirst();
 495         if (groupOptional.isEmpty()) {
 496             throw new Error.GroupNotFound("Group not found");
 497         }
 498         return groupOptional.get().getObjectPath();
 499     }
 500
 501     @Override
 502     public List<StructGroup> listGroups() {
 503         updateGroups();
 504         return groups;
 505     }
 506
 507     @Override
 508     public String getGroupName(final byte[] groupId) {
 509         var group = m.getGroup(getGroupId(groupId));
 510         if (group == null || group.title() == null) {
 511             return "";
 512         } else {
 513             return group.title();
 514         }
 515     }
 516
 517     @Override
 518     public List<String> getGroupMembers(final byte[] groupId) {
 519         var group = m.getGroup(getGroupId(groupId));
 520         if (group == null) {
 521             return List.of();
 522         } else {
 523             final var members = group.members();
 524             return getRecipientStrings(members);
 525         }
 526     }
 527
 528     @Override
 529     public byte[] createGroup(
 530             final String name, final List<String> members, final String avatar
 531     ) throws Error.AttachmentInvalid, Error.Failure, Error.InvalidNumber {
 532         return updateGroup(new byte[0], name, members, avatar);
 533     }
 534
 535     @Override
 536     public byte[] updateGroup(byte[] groupId, String name, List<String> members, String avatar) {
 537         try {
 538             groupId = nullIfEmpty(groupId);
 539             name = nullIfEmpty(name);
 540             avatar = nullIfEmpty(avatar);
 541             final var memberIdentifiers = getSingleRecipientIdentifiers(members, m.getSelfNumber());
 542             if (groupId == null) {
 543                 final var results = m.createGroup(name, memberIdentifiers, avatar == null ? null : new File(avatar));
 544                 checkSendMessageResults(results.second().timestamp(), results.second().results());
 545                 return results.first().serialize();
 546             } else {
 547                 final var results = m.updateGroup(getGroupId(groupId),
 548                         UpdateGroup.newBuilder()
 549                                 .withName(name)
 550                                 .withMembers(memberIdentifiers)
 551                                 .withAvatarFile(avatar == null ? null : new File(avatar))
 552                                 .build());
 553                 if (results != null) {
 554                     checkSendMessageResults(results.timestamp(), results.results());
 555                 }
 556                 return groupId;
 557             }
 558         } catch (IOException e) {
 559             throw new Error.Failure(e.getMessage());
 560         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 561             throw new Error.GroupNotFound(e.getMessage());
 562         } catch (AttachmentInvalidException e) {
 563             throw new Error.AttachmentInvalid(e.getMessage());
 564         }
 565     }
 566
 567     @Override
 568     public boolean isRegistered() {
 569         return true;
 570     }
 571
 572     @Override
 573     public boolean isRegistered(String number) {
 574         var result = isRegistered(List.of(number));
 575         return result.get(0);
 576     }
 577
 578     @Override
 579     public List<Boolean> isRegistered(List<String> numbers) {
 580         var results = new ArrayList<Boolean>();
 581         if (numbers.isEmpty()) {
 582             return results;
 583         }
 584
 585         Map<String, Pair<String, UUID>> registered;
 586         try {
 587             registered = m.areUsersRegistered(new HashSet<>(numbers));
 588         } catch (IOException e) {
 589             throw new Error.Failure(e.getMessage());
 590         }
 591
 592         return numbers.stream().map(number -> {
 593             var uuid = registered.get(number).second();
 594             return uuid != null;
 595         }).collect(Collectors.toList());
 596     }
 597
 598     @Override
 599     public void updateProfile(
 600             String givenName,
 601             String familyName,
 602             String about,
 603             String aboutEmoji,
 604             String avatarPath,
 605             final boolean removeAvatar
 606     ) {
 607         try {
 608             givenName = nullIfEmpty(givenName);
 609             familyName = nullIfEmpty(familyName);
 610             about = nullIfEmpty(about);
 611             aboutEmoji = nullIfEmpty(aboutEmoji);
 612             avatarPath = nullIfEmpty(avatarPath);
 613             Optional<File> avatarFile = removeAvatar
 614                     ? Optional.empty()
 615                     : avatarPath == null ? null : Optional.of(new File(avatarPath));
 616             m.setProfile(givenName, familyName, about, aboutEmoji, avatarFile);
 617         } catch (IOException e) {
 618             throw new Error.Failure(e.getMessage());
 619         }
 620     }
 621
 622     @Override
 623     public void updateProfile(
 624             final String name,
 625             final String about,
 626             final String aboutEmoji,
 627             String avatarPath,
 628             final boolean removeAvatar
 629     ) {
 630         updateProfile(name, "", about, aboutEmoji, avatarPath, removeAvatar);
 631     }
 632
 633     @Override
 634     public void removePin() {
 635         try {
 636             m.setRegistrationLockPin(Optional.empty());
 637         } catch (IOException e) {
 638             throw new Error.Failure("Remove pin error: " + e.getMessage());
 639         }
 640     }
 641
 642     @Override
 643     public void setPin(String registrationLockPin) {
 644         try {
 645             m.setRegistrationLockPin(Optional.of(registrationLockPin));
 646         } catch (IOException e) {
 647             throw new Error.Failure("Set pin error: " + e.getMessage());
 648         }
 649     }
 650
 651     // Provide option to query a version string in order to react on potential
 652     // future interface changes
 653     @Override
 654     public String version() {
 655         return BaseConfig.PROJECT_VERSION;
 656     }
 657
 658     // Create a unique list of Numbers from Identities and Contacts to really get
 659     // all numbers the system knows
 660     @Override
 661     public List<String> listNumbers() {
 662         return Stream.concat(m.getIdentities().stream().map(Identity::recipient),
 663                         m.getContacts().stream().map(Pair::first))
 664                 .map(a -> a.getNumber().orElse(null))
 665                 .filter(Objects::nonNull)
 666                 .distinct()
 667                 .collect(Collectors.toList());
 668     }
 669
 670     @Override
 671     public List<String> getContactNumber(final String name) {
 672         // Contact names have precedence.
 673         var numbers = new ArrayList<String>();
 674         var contacts = m.getContacts();
 675         for (var c : contacts) {
 676             if (name.equals(c.second().getName())) {
 677                 numbers.add(c.first().getLegacyIdentifier());
 678             }
 679         }
 680         // Try profiles if no contact name was found
 681         for (var identity : m.getIdentities()) {
 682             final var address = identity.recipient();
 683             var number = address.getNumber().orElse(null);
 684             if (number != null) {
 685                 Profile profile = null;
 686                 try {
 687                     profile = m.getRecipientProfile(RecipientIdentifier.Single.fromAddress(address));
 688                 } catch (IOException ignored) {
 689                 }
 690                 if (profile != null && profile.getDisplayName().equals(name)) {
 691                     numbers.add(number);
 692                 }
 693             }
 694         }
 695         return numbers;
 696     }
 697
 698     @Override
 699     public void quitGroup(final byte[] groupId) {
 700         var group = getGroupId(groupId);
 701         try {
 702             m.quitGroup(group, Set.of());
 703         } catch (GroupNotFoundException | NotAGroupMemberException e) {
 704             throw new Error.GroupNotFound(e.getMessage());
 705         } catch (IOException | LastGroupAdminException e) {
 706             throw new Error.Failure(e.getMessage());
 707         }
 708     }
 709
 710     @Override
 711     public byte[] joinGroup(final String groupLink) {
 712         try {
 713             final var linkUrl = GroupInviteLinkUrl.fromUri(groupLink);
 714             if (linkUrl == null) {
 715                 throw new Error.Failure("Group link is invalid:");
 716             }
 717             final var result = m.joinGroup(linkUrl);
 718             return result.first().serialize();
 719         } catch (GroupInviteLinkUrl.InvalidGroupLinkException | InactiveGroupLinkException e) {
 720             throw new Error.Failure("Group link is invalid: " + e.getMessage());
 721         } catch (GroupInviteLinkUrl.UnknownGroupLinkVersionException e) {
 722             throw new Error.Failure("Group link was created with an incompatible version: " + e.getMessage());
 723         } catch (IOException e) {
 724             throw new Error.Failure(e.getMessage());
 725         }
 726     }
 727
 728     @Override
 729     public boolean isContactBlocked(final String number) {
 730         return m.isContactBlocked(getSingleRecipientIdentifier(number, m.getSelfNumber()));
 731     }
 732
 733     @Override
 734     public boolean isGroupBlocked(final byte[] groupId) {
 735         var group = m.getGroup(getGroupId(groupId));
 736         if (group == null) {
 737             return false;
 738         } else {
 739             return group.isBlocked();
 740         }
 741     }
 742
 743     @Override
 744     public boolean isMember(final byte[] groupId) {
 745         var group = m.getGroup(getGroupId(groupId));
 746         if (group == null) {
 747             return false;
 748         } else {
 749             return group.isMember();
 750         }
 751     }
 752
 753     @Override
 754     public String uploadStickerPack(String stickerPackPath) {
 755         File path = new File(stickerPackPath);
 756         try {
 757             return m.uploadStickerPack(path).toString();
 758         } catch (IOException e) {
 759             throw new Error.Failure("Upload error (maybe image size is too large):" + e.getMessage());
 760         } catch (StickerPackInvalidException e) {
 761             throw new Error.Failure("Invalid sticker pack: " + e.getMessage());
 762         }
 763     }
 764
 765     private static void checkSendMessageResult(long timestamp, SendMessageResult result) throws DBusExecutionException {
 766         var error = ErrorUtils.getErrorMessageFromSendMessageResult(result);
 767
 768         if (error == null) {
 769             return;
 770         }
 771
 772         final var message = timestamp + "\nFailed to send message:\n" + error + '\n';
 773
 774         if (result.isIdentityFailure()) {
 775             throw new Error.UntrustedIdentity(message);
 776         } else {
 777             throw new Error.Failure(message);
 778         }
 779     }
 780
 781     private static void checkSendMessageResults(
 782             long timestamp, Map<RecipientIdentifier, List<SendMessageResult>> results
 783     ) throws DBusExecutionException {
 784         final var sendMessageResults = results.values().stream().findFirst();
 785         if (results.size() == 1 && sendMessageResults.get().size() == 1) {
 786             checkSendMessageResult(timestamp, sendMessageResults.get().stream().findFirst().get());
 787             return;
 788         }
 789
 790         var errors = ErrorUtils.getErrorMessagesFromSendMessageResults(results);
 791         if (errors.size() == 0) {
 792             return;
 793         }
 794
 795         var message = new StringBuilder();
 796         message.append(timestamp).append('\n');
 797         message.append("Failed to send (some) messages:\n");
 798         for (var error : errors) {
 799             message.append(error).append('\n');
 800         }
 801
 802         throw new Error.Failure(message.toString());
 803     }
 804
 805     private static void checkSendMessageResults(
 806             long timestamp, Collection<SendMessageResult> results
 807     ) throws DBusExecutionException {
 808         if (results.size() == 1) {
 809             checkSendMessageResult(timestamp, results.stream().findFirst().get());
 810             return;
 811         }
 812
 813         var errors = ErrorUtils.getErrorMessagesFromSendMessageResults(results);
 814         if (errors.size() == 0) {
 815             return;
 816         }
 817
 818         var message = new StringBuilder();
 819         message.append(timestamp).append('\n');
 820         message.append("Failed to send (some) messages:\n");
 821         for (var error : errors) {
 822             message.append(error).append('\n');
 823         }
 824
 825         throw new Error.Failure(message.toString());
 826     }
 827
 828     private static List<String> getRecipientStrings(final Set<RecipientAddress> members) {
 829         return members.stream().map(RecipientAddress::getLegacyIdentifier).collect(Collectors.toList());
 830     }
 831
 832     private static Set<RecipientIdentifier.Single> getSingleRecipientIdentifiers(
 833             final Collection<String> recipientStrings, final String localNumber
 834     ) throws DBusExecutionException {
 835         final var identifiers = new HashSet<RecipientIdentifier.Single>();
 836         for (var recipientString : recipientStrings) {
 837             identifiers.add(getSingleRecipientIdentifier(recipientString, localNumber));
 838         }
 839         return identifiers;
 840     }
 841
 842     private static RecipientIdentifier.Single getSingleRecipientIdentifier(
 843             final String recipientString, final String localNumber
 844     ) throws DBusExecutionException {
 845         try {
 846             return RecipientIdentifier.Single.fromString(recipientString, localNumber);
 847         } catch (InvalidNumberException e) {
 848             throw new Error.InvalidNumber(e.getMessage());
 849         }
 850     }
 851
 852     private static GroupId getGroupId(byte[] groupId) throws DBusExecutionException {
 853         try {
 854             return GroupId.unknownVersion(groupId);
 855         } catch (Throwable e) {
 856             throw new Error.InvalidGroupId("Invalid group id: " + e.getMessage());
 857         }
 858     }
 859
 860     private byte[] nullIfEmpty(final byte[] array) {
 861         return array.length == 0 ? null : array;
 862     }
 863
 864     private String nullIfEmpty(final String name) {
 865         return name.isEmpty() ? null : name;
 866     }
 867
 868     private String emptyIfNull(final String string) {
 869         return string == null ? "" : string;
 870     }
 871
 872     private static String getDeviceObjectPath(String basePath, long deviceId) {
 873         return basePath + "/Devices/" + deviceId;
 874     }
 875
 876     private void updateDevices() {
 877         List<org.asamk.signal.manager.api.Device> linkedDevices;
 878         try {
 879             linkedDevices = m.getLinkedDevices();
 880         } catch (IOException e) {
 881             throw new Error.Failure("Failed to get linked devices: " + e.getMessage());
 882         }
 883
 884         unExportDevices();
 885
 886         linkedDevices.forEach(d -> {
 887             final var object = new DbusSignalDeviceImpl(d);
 888             final var deviceObjectPath = object.getObjectPath();
 889             exportObject(object);
 890             if (d.isThisDevice()) {
 891                 thisDevice = new DBusPath(deviceObjectPath);
 892             }
 893             this.devices.add(new StructDevice(new DBusPath(deviceObjectPath), d.id(), emptyIfNull(d.name())));
 894         });
 895     }
 896
 897     private void unExportDevices() {
 898         this.devices.stream()
 899                 .map(StructDevice::getObjectPath)
 900                 .map(DBusPath::getPath)
 901                 .forEach(connection::unExportObject);
 902         this.devices.clear();
 903     }
 904
 905     private static String getGroupObjectPath(String basePath, byte[] groupId) {
 906         return basePath + "/Groups/" + Base64.getEncoder()
 907                 .encodeToString(groupId)
 908                 .replace("+", "_")
 909                 .replace("/", "_")
 910                 .replace("=", "_");
 911     }
 912
 913     private void updateGroups() {
 914         List<org.asamk.signal.manager.api.Group> groups;
 915         groups = m.getGroups();
 916
 917         unExportGroups();
 918
 919         groups.forEach(g -> {
 920             final var object = new DbusSignalGroupImpl(g.groupId());
 921             exportObject(object);
 922             this.groups.add(new StructGroup(new DBusPath(object.getObjectPath()),
 923                     g.groupId().serialize(),
 924                     emptyIfNull(g.title())));
 925         });
 926     }
 927
 928     private void unExportGroups() {
 929         this.groups.stream().map(StructGroup::getObjectPath).map(DBusPath::getPath).forEach(connection::unExportObject);
 930         this.groups.clear();
 931     }
 932
 933     private static String getConfigurationObjectPath(String basePath) {
 934         return basePath + "/Configuration";
 935     }
 936
 937     private void updateConfiguration() {
 938         unExportConfiguration();
 939         final var object = new DbusSignalConfigurationImpl();
 940         exportObject(object);
 941     }
 942
 943     private void unExportConfiguration() {
 944         final var objectPath = getConfigurationObjectPath(this.objectPath);
 945         connection.unExportObject(objectPath);
 946     }
 947
 948     private void exportObject(final DBusInterface object) {
 949         try {
 950             connection.exportObject(object);
 951             logger.debug("Exported dbus object: " + object.getObjectPath());
 952         } catch (DBusException e) {
 953             e.printStackTrace();
 954         }
 955     }
 956
 957     public class DbusSignalDeviceImpl extends DbusProperties implements Signal.Device {
 958
 959         private final org.asamk.signal.manager.api.Device device;
 960
 961         public DbusSignalDeviceImpl(final org.asamk.signal.manager.api.Device device) {
 962             super.addPropertiesHandler(new DbusInterfacePropertiesHandler("org.asamk.Signal.Device",
 963                     List.of(new DbusProperty<>("Id", device::id),
 964                             new DbusProperty<>("Name", () -> emptyIfNull(device.name()), this::setDeviceName),
 965                             new DbusProperty<>("Created", device::created),
 966                             new DbusProperty<>("LastSeen", device::lastSeen))));
 967             this.device = device;
 968         }
 969
 970         @Override
 971         public String getObjectPath() {
 972             return getDeviceObjectPath(objectPath, device.id());
 973         }
 974
 975         @Override
 976         public void removeDevice() throws Error.Failure {
 977             try {
 978                 m.removeLinkedDevices(device.id());
 979                 updateDevices();
 980             } catch (IOException e) {
 981                 throw new Error.Failure(e.getMessage());
 982             }
 983         }
 984
 985         private void setDeviceName(String name) {
 986             if (!device.isThisDevice()) {
 987                 throw new Error.Failure("Only the name of this device can be changed");
 988             }
 989             try {
 990                 m.updateAccountAttributes(name);
 991                 // update device list
 992                 updateDevices();
 993             } catch (IOException e) {
 994                 throw new Error.Failure(e.getMessage());
 995             }
 996         }
 997     }
 998
 999     public class DbusSignalConfigurationImpl extends DbusProperties implements Signal.Configuration {
1000
1001         public DbusSignalConfigurationImpl(
1002         ) {
1003             super.addPropertiesHandler(new DbusInterfacePropertiesHandler("org.asamk.Signal.Configuration",
1004                     List.of(new DbusProperty<>("ReadReceipts", this::getReadReceipts, this::setReadReceipts),
1005                             new DbusProperty<>("UnidentifiedDeliveryIndicators",
1006                                     this::getUnidentifiedDeliveryIndicators,
1007                                     this::setUnidentifiedDeliveryIndicators),
1008                             new DbusProperty<>("TypingIndicators",
1009                                     this::getTypingIndicators,
1010                                     this::setTypingIndicators),
1011                             new DbusProperty<>("LinkPreviews", this::getLinkPreviews, this::setLinkPreviews))));
1012
1013         }
1014
1015         @Override
1016         public String getObjectPath() {
1017             return getConfigurationObjectPath(objectPath);
1018         }
1019
1020         public void setReadReceipts(Boolean readReceipts) {
1021             setConfiguration(readReceipts, null, null, null);
1022         }
1023
1024         public void setUnidentifiedDeliveryIndicators(Boolean unidentifiedDeliveryIndicators) {
1025             setConfiguration(null, unidentifiedDeliveryIndicators, null, null);
1026         }
1027
1028         public void setTypingIndicators(Boolean typingIndicators) {
1029             setConfiguration(null, null, typingIndicators, null);
1030         }
1031
1032         public void setLinkPreviews(Boolean linkPreviews) {
1033             setConfiguration(null, null, null, linkPreviews);
1034         }
1035
1036         private void setConfiguration(
1037                 Boolean readReceipts,
1038                 Boolean unidentifiedDeliveryIndicators,
1039                 Boolean typingIndicators,
1040                 Boolean linkPreviews
1041         ) {
1042             try {
1043                 m.updateConfiguration(new org.asamk.signal.manager.api.Configuration(Optional.ofNullable(readReceipts),
1044                         Optional.ofNullable(unidentifiedDeliveryIndicators),
1045                         Optional.ofNullable(typingIndicators),
1046                         Optional.ofNullable(linkPreviews)));
1047             } catch (IOException e) {
1048                 throw new Error.Failure("UpdateAccount error: " + e.getMessage());
1049             } catch (NotMasterDeviceException e) {
1050                 throw new Error.Failure("This command doesn't work on linked devices.");
1051             }
1052         }
1053
1054         private boolean getReadReceipts() {
1055             return m.getConfiguration().readReceipts().orElse(false);
1056         }
1057
1058         private boolean getUnidentifiedDeliveryIndicators() {
1059             return m.getConfiguration().unidentifiedDeliveryIndicators().orElse(false);
1060         }
1061
1062         private boolean getTypingIndicators() {
1063             return m.getConfiguration().typingIndicators().orElse(false);
1064         }
1065
1066         private boolean getLinkPreviews() {
1067             return m.getConfiguration().linkPreviews().orElse(false);
1068         }
1069     }
1070
1071     public class DbusSignalGroupImpl extends DbusProperties implements Signal.Group {
1072
1073         private final GroupId groupId;
1074
1075         public DbusSignalGroupImpl(final GroupId groupId) {
1076             this.groupId = groupId;
1077             super.addPropertiesHandler(new DbusInterfacePropertiesHandler("org.asamk.Signal.Group",
1078                     List.of(new DbusProperty<>("Id", groupId::serialize),
1079                             new DbusProperty<>("Name", () -> emptyIfNull(getGroup().title()), this::setGroupName),
1080                             new DbusProperty<>("Description",
1081                                     () -> emptyIfNull(getGroup().description()),
1082                                     this::setGroupDescription),
1083                             new DbusProperty<>("Avatar", this::setGroupAvatar),
1084                             new DbusProperty<>("IsBlocked", () -> getGroup().isBlocked(), this::setIsBlocked),
1085                             new DbusProperty<>("IsMember", () -> getGroup().isMember()),
1086                             new DbusProperty<>("IsAdmin", () -> getGroup().isAdmin()),
1087                             new DbusProperty<>("MessageExpirationTimer",
1088                                     () -> getGroup().messageExpirationTimer(),
1089                                     this::setMessageExpirationTime),
1090                             new DbusProperty<>("Members",
1091                                     () -> new Variant<>(getRecipientStrings(getGroup().members()), "as")),
1092                             new DbusProperty<>("PendingMembers",
1093                                     () -> new Variant<>(getRecipientStrings(getGroup().pendingMembers()), "as")),
1094                             new DbusProperty<>("RequestingMembers",
1095                                     () -> new Variant<>(getRecipientStrings(getGroup().requestingMembers()), "as")),
1096                             new DbusProperty<>("Admins",
1097                                     () -> new Variant<>(getRecipientStrings(getGroup().adminMembers()), "as")),
1098                             new DbusProperty<>("PermissionAddMember",
1099                                     () -> getGroup().permissionAddMember().name(),
1100                                     this::setGroupPermissionAddMember),
1101                             new DbusProperty<>("PermissionEditDetails",
1102                                     () -> getGroup().permissionEditDetails().name(),
1103                                     this::setGroupPermissionEditDetails),
1104                             new DbusProperty<>("PermissionSendMessage",
1105                                     () -> getGroup().permissionSendMessage().name(),
1106                                     this::setGroupPermissionSendMessage),
1107                             new DbusProperty<>("GroupInviteLink", () -> {
1108                                 final var groupInviteLinkUrl = getGroup().groupInviteLinkUrl();
1109                                 return groupInviteLinkUrl == null ? "" : groupInviteLinkUrl.getUrl();
1110                             }))));
1111         }
1112
1113         @Override
1114         public String getObjectPath() {
1115             return getGroupObjectPath(objectPath, groupId.serialize());
1116         }
1117
1118         @Override
1119         public void quitGroup() throws Error.Failure {
1120             try {
1121                 m.quitGroup(groupId, Set.of());
1122             } catch (GroupNotFoundException | NotAGroupMemberException e) {
1123                 throw new Error.GroupNotFound(e.getMessage());
1124             } catch (IOException e) {
1125                 throw new Error.Failure(e.getMessage());
1126             } catch (LastGroupAdminException e) {
1127                 throw new Error.LastGroupAdmin(e.getMessage());
1128             }
1129         }
1130
1131         @Override
1132         public void addMembers(final List<String> recipients) throws Error.Failure {
1133             final var memberIdentifiers = getSingleRecipientIdentifiers(recipients, m.getSelfNumber());
1134             updateGroup(UpdateGroup.newBuilder().withMembers(memberIdentifiers).build());
1135         }
1136
1137         @Override
1138         public void removeMembers(final List<String> recipients) throws Error.Failure {
1139             final var memberIdentifiers = getSingleRecipientIdentifiers(recipients, m.getSelfNumber());
1140             updateGroup(UpdateGroup.newBuilder().withRemoveMembers(memberIdentifiers).build());
1141         }
1142
1143         @Override
1144         public void addAdmins(final List<String> recipients) throws Error.Failure {
1145             final var memberIdentifiers = getSingleRecipientIdentifiers(recipients, m.getSelfNumber());
1146             updateGroup(UpdateGroup.newBuilder().withAdmins(memberIdentifiers).build());
1147         }
1148
1149         @Override
1150         public void removeAdmins(final List<String> recipients) throws Error.Failure {
1151             final var memberIdentifiers = getSingleRecipientIdentifiers(recipients, m.getSelfNumber());
1152             updateGroup(UpdateGroup.newBuilder().withRemoveAdmins(memberIdentifiers).build());
1153         }
1154
1155         @Override
1156         public void resetLink() throws Error.Failure {
1157             updateGroup(UpdateGroup.newBuilder().withResetGroupLink(true).build());
1158         }
1159
1160         @Override
1161         public void disableLink() throws Error.Failure {
1162             updateGroup(UpdateGroup.newBuilder().withGroupLinkState(GroupLinkState.DISABLED).build());
1163         }
1164
1165         @Override
1166         public void enableLink(final boolean requiresApproval) throws Error.Failure {
1167             updateGroup(UpdateGroup.newBuilder()
1168                     .withGroupLinkState(requiresApproval
1169                             ? GroupLinkState.ENABLED_WITH_APPROVAL
1170                             : GroupLinkState.ENABLED)
1171                     .build());
1172         }
1173
1174         private org.asamk.signal.manager.api.Group getGroup() {
1175             return m.getGroup(groupId);
1176         }
1177
1178         private void setGroupName(final String name) {
1179             updateGroup(UpdateGroup.newBuilder().withName(name).build());
1180         }
1181
1182         private void setGroupDescription(final String description) {
1183             updateGroup(UpdateGroup.newBuilder().withDescription(description).build());
1184         }
1185
1186         private void setGroupAvatar(final String avatar) {
1187             updateGroup(UpdateGroup.newBuilder().withAvatarFile(new File(avatar)).build());
1188         }
1189
1190         private void setMessageExpirationTime(final int expirationTime) {
1191             updateGroup(UpdateGroup.newBuilder().withExpirationTimer(expirationTime).build());
1192         }
1193
1194         private void setGroupPermissionAddMember(final String permission) {
1195             updateGroup(UpdateGroup.newBuilder().withAddMemberPermission(GroupPermission.valueOf(permission)).build());
1196         }
1197
1198         private void setGroupPermissionEditDetails(final String permission) {
1199             updateGroup(UpdateGroup.newBuilder()
1200                     .withEditDetailsPermission(GroupPermission.valueOf(permission))
1201                     .build());
1202         }
1203
1204         private void setGroupPermissionSendMessage(final String permission) {
1205             updateGroup(UpdateGroup.newBuilder()
1206                     .withIsAnnouncementGroup(GroupPermission.valueOf(permission) == GroupPermission.ONLY_ADMINS)
1207                     .build());
1208         }
1209
1210         private void setIsBlocked(final boolean isBlocked) {
1211             try {
1212                 m.setGroupBlocked(groupId, isBlocked);
1213             } catch (NotMasterDeviceException e) {
1214                 throw new Error.Failure("This command doesn't work on linked devices.");
1215             } catch (GroupNotFoundException e) {
1216                 throw new Error.GroupNotFound(e.getMessage());
1217             } catch (IOException e) {
1218                 throw new Error.Failure(e.getMessage());
1219             }
1220         }
1221
1222         private void updateGroup(final UpdateGroup updateGroup) {
1223             try {
1224                 m.updateGroup(groupId, updateGroup);
1225             } catch (IOException e) {
1226                 throw new Error.Failure(e.getMessage());
1227             } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
1228                 throw new Error.GroupNotFound(e.getMessage());
1229             } catch (AttachmentInvalidException e) {
1230                 throw new Error.AttachmentInvalid(e.getMessage());
1231             }
1232         }
1233     }
1234 }