]> nmode's Git Repositories - signal-cli/blobdiff - src/main/java/org/asamk/signal/dbus/DbusManagerImpl.java
Implement dbus support for listIdentities
[signal-cli] / src / main / java / org / asamk / signal / dbus / DbusManagerImpl.java
index e5f64ab3ada6d7415d3bd378e7a3550540fa4425..574f68c6bb1a56c05cb9ecc74cef9302d7aacfcf 100644 (file)
@@ -1,21 +1,36 @@
 package org.asamk.signal.dbus;
 
 import org.asamk.Signal;
-import org.asamk.signal.DbusConfig;
 import org.asamk.signal.manager.Manager;
+import org.asamk.signal.manager.api.AlreadyReceivingException;
 import org.asamk.signal.manager.api.AttachmentInvalidException;
+import org.asamk.signal.manager.api.CaptchaRequiredException;
 import org.asamk.signal.manager.api.Configuration;
+import org.asamk.signal.manager.api.Contact;
 import org.asamk.signal.manager.api.Device;
+import org.asamk.signal.manager.api.DeviceLinkUrl;
 import org.asamk.signal.manager.api.Group;
+import org.asamk.signal.manager.api.GroupId;
+import org.asamk.signal.manager.api.GroupInviteLinkUrl;
+import org.asamk.signal.manager.api.GroupNotFoundException;
+import org.asamk.signal.manager.api.GroupPermission;
+import org.asamk.signal.manager.api.GroupSendingNotAllowedException;
 import org.asamk.signal.manager.api.Identity;
+import org.asamk.signal.manager.api.IdentityVerificationCode;
 import org.asamk.signal.manager.api.InactiveGroupLinkException;
+import org.asamk.signal.manager.api.IncorrectPinException;
 import org.asamk.signal.manager.api.InvalidDeviceLinkException;
 import org.asamk.signal.manager.api.InvalidStickerException;
 import org.asamk.signal.manager.api.InvalidUsernameException;
+import org.asamk.signal.manager.api.LastGroupAdminException;
 import org.asamk.signal.manager.api.Message;
 import org.asamk.signal.manager.api.MessageEnvelope;
+import org.asamk.signal.manager.api.NonNormalizedPhoneNumberException;
+import org.asamk.signal.manager.api.NotAGroupMemberException;
 import org.asamk.signal.manager.api.NotPrimaryDeviceException;
 import org.asamk.signal.manager.api.Pair;
+import org.asamk.signal.manager.api.PinLockedException;
+import org.asamk.signal.manager.api.RateLimitException;
 import org.asamk.signal.manager.api.ReceiveConfig;
 import org.asamk.signal.manager.api.Recipient;
 import org.asamk.signal.manager.api.RecipientAddress;
@@ -23,25 +38,22 @@ import org.asamk.signal.manager.api.RecipientIdentifier;
 import org.asamk.signal.manager.api.SendGroupMessageResults;
 import org.asamk.signal.manager.api.SendMessageResults;
 import org.asamk.signal.manager.api.StickerPack;
+import org.asamk.signal.manager.api.StickerPackId;
 import org.asamk.signal.manager.api.StickerPackInvalidException;
 import org.asamk.signal.manager.api.StickerPackUrl;
+import org.asamk.signal.manager.api.TrustLevel;
 import org.asamk.signal.manager.api.TypingAction;
 import org.asamk.signal.manager.api.UnregisteredRecipientException;
 import org.asamk.signal.manager.api.UpdateGroup;
 import org.asamk.signal.manager.api.UpdateProfile;
 import org.asamk.signal.manager.api.UserStatus;
-import org.asamk.signal.manager.groups.GroupId;
-import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
-import org.asamk.signal.manager.groups.GroupNotFoundException;
-import org.asamk.signal.manager.groups.GroupPermission;
-import org.asamk.signal.manager.groups.GroupSendingNotAllowedException;
-import org.asamk.signal.manager.groups.LastGroupAdminException;
-import org.asamk.signal.manager.groups.NotAGroupMemberException;
-import org.asamk.signal.manager.storage.recipients.Contact;
+import org.asamk.signal.manager.api.UsernameLinkUrl;
+import org.asamk.signal.manager.api.UsernameStatus;
 import org.freedesktop.dbus.DBusMap;
 import org.freedesktop.dbus.DBusPath;
 import org.freedesktop.dbus.connections.impl.DBusConnection;
 import org.freedesktop.dbus.exceptions.DBusException;
+import org.freedesktop.dbus.exceptions.DBusExecutionException;
 import org.freedesktop.dbus.interfaces.DBusInterface;
 import org.freedesktop.dbus.interfaces.DBusSigHandler;
 import org.freedesktop.dbus.types.Variant;
@@ -80,13 +92,16 @@ public class DbusManagerImpl implements Manager {
     private final Set<ReceiveMessageHandler> weakHandlers = new HashSet<>();
     private final Set<ReceiveMessageHandler> messageHandlers = new HashSet<>();
     private final List<Runnable> closedListeners = new ArrayList<>();
+    private final String busname;
     private DBusSigHandler<Signal.MessageReceivedV2> dbusMsgHandler;
+    private DBusSigHandler<Signal.EditMessageReceived> dbusEditMsgHandler;
     private DBusSigHandler<Signal.ReceiptReceivedV2> dbusRcptHandler;
     private DBusSigHandler<Signal.SyncMessageReceivedV2> dbusSyncHandler;
 
-    public DbusManagerImpl(final Signal signal, DBusConnection connection) {
+    public DbusManagerImpl(final Signal signal, DBusConnection connection, final String busname) {
         this.signal = signal;
         this.connection = connection;
+        this.busname = busname;
     }
 
     @Override
@@ -110,10 +125,22 @@ public class DbusManagerImpl implements Manager {
     }
 
     @Override
-    public void updateAccountAttributes(final String deviceName) throws IOException {
+    public Map<String, UsernameStatus> getUsernameStatus(final Set<String> usernames) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public void updateAccountAttributes(
+            final String deviceName,
+            final Boolean unrestrictedUnidentifiedSender,
+            final Boolean discoverableByNumber,
+            final Boolean numberSharing
+    ) throws IOException {
         if (deviceName != null) {
             final var devicePath = signal.getThisDevice();
             getRemoteObject(devicePath, Signal.Device.class).Set("org.asamk.Signal.Device", "Name", deviceName);
+        } else {
+            throw new UnsupportedOperationException();
         }
     }
 
@@ -128,7 +155,7 @@ public class DbusManagerImpl implements Manager {
     }
 
     @Override
-    public void updateConfiguration(Configuration newConfiguration) throws IOException {
+    public void updateConfiguration(Configuration newConfiguration) {
         final var configuration = getRemoteObject(new DBusPath(signal.getObjectPath() + "/Configuration"),
                 Signal.Configuration.class);
         newConfiguration.readReceipts()
@@ -154,7 +181,17 @@ public class DbusManagerImpl implements Manager {
     }
 
     @Override
-    public String setUsername(final String username) throws IOException, InvalidUsernameException {
+    public String getUsername() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public UsernameLinkUrl getUsernameLink() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public void setUsername(final String username) throws IOException, InvalidUsernameException {
         throw new UnsupportedOperationException();
     }
 
@@ -163,6 +200,20 @@ public class DbusManagerImpl implements Manager {
         throw new UnsupportedOperationException();
     }
 
+    @Override
+    public void startChangeNumber(
+            final String newNumber, final boolean voiceVerification, final String captcha
+    ) throws RateLimitException, IOException, CaptchaRequiredException, NonNormalizedPhoneNumberException {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public void finishChangeNumber(
+            final String newNumber, final String verificationCode, final String pin
+    ) throws IncorrectPinException, PinLockedException, IOException {
+        throw new UnsupportedOperationException();
+    }
+
     @Override
     public void unregister() throws IOException {
         signal.unregister();
@@ -199,8 +250,8 @@ public class DbusManagerImpl implements Manager {
     }
 
     @Override
-    public void addDeviceLink(final URI linkUri) throws IOException, InvalidDeviceLinkException {
-        signal.addDevice(linkUri.toString());
+    public void addDeviceLink(final DeviceLinkUrl linkUri) throws IOException, InvalidDeviceLinkException {
+        signal.addDevice(linkUri.createDeviceLinkUri().toString());
     }
 
     @Override
@@ -222,7 +273,7 @@ public class DbusManagerImpl implements Manager {
     public SendGroupMessageResults quitGroup(
             final GroupId groupId, final Set<RecipientIdentifier.Single> groupAdmins
     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, LastGroupAdminException {
-        if (groupAdmins.size() > 0) {
+        if (!groupAdmins.isEmpty()) {
             throw new UnsupportedOperationException();
         }
         final var group = getRemoteObject(signal.getGroup(groupId.serialize()), Signal.Group.class);
@@ -319,8 +370,13 @@ public class DbusManagerImpl implements Manager {
 
     @Override
     public Pair<GroupId, SendGroupMessageResults> joinGroup(final GroupInviteLinkUrl inviteLinkUrl) throws IOException, InactiveGroupLinkException {
-        final var newGroupId = signal.joinGroup(inviteLinkUrl.getUrl());
-        return new Pair<>(GroupId.unknownVersion(newGroupId), new SendGroupMessageResults(0, List.of()));
+        try {
+            final var newGroupId = signal.joinGroup(inviteLinkUrl.getUrl());
+            return new Pair<>(GroupId.unknownVersion(newGroupId), new SendGroupMessageResults(0, List.of()));
+        } catch (DBusExecutionException e) {
+            throw new IOException("Failed to join group: " + e.getMessage() + " (" + e.getClass().getSimpleName() + ")",
+                    e);
+        }
     }
 
     @Override
@@ -357,7 +413,7 @@ public class DbusManagerImpl implements Manager {
 
     @Override
     public SendMessageResults sendMessage(
-            final Message message, final Set<RecipientIdentifier> recipients
+            final Message message, final Set<RecipientIdentifier> recipients, final boolean notifySelf
     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
         return handleMessage(recipients,
                 numbers -> signal.sendMessage(message.messageText(), message.attachments(), numbers),
@@ -423,6 +479,18 @@ public class DbusManagerImpl implements Manager {
         return new SendMessageResults(0, Map.of());
     }
 
+    @Override
+    public SendMessageResults sendMessageRequestResponse(
+            final MessageEnvelope.Sync.MessageRequestResponse.Type type,
+            final Set<RecipientIdentifier> recipientIdentifiers
+    ) {
+        throw new UnsupportedOperationException();
+    }
+
+    public void hideRecipient(final RecipientIdentifier.Single recipient) {
+        throw new UnsupportedOperationException();
+    }
+
     @Override
     public void deleteRecipient(final RecipientIdentifier.Single recipient) {
         signal.deleteRecipient(recipient.getIdentifier());
@@ -479,6 +547,11 @@ public class DbusManagerImpl implements Manager {
         }
     }
 
+    @Override
+    public void installStickerPack(final StickerPackUrl url) throws IOException {
+        throw new UnsupportedOperationException();
+    }
+
     @Override
     public List<StickerPack> getStickerPacks() {
         throw new UnsupportedOperationException();
@@ -495,7 +568,7 @@ public class DbusManagerImpl implements Manager {
             if (isWeakListener) {
                 weakHandlers.add(handler);
             } else {
-                if (messageHandlers.size() == 0) {
+                if (messageHandlers.isEmpty()) {
                     installMessageHandlers();
                 }
                 messageHandlers.add(handler);
@@ -508,7 +581,7 @@ public class DbusManagerImpl implements Manager {
         synchronized (messageHandlers) {
             weakHandlers.remove(handler);
             messageHandlers.remove(handler);
-            if (messageHandlers.size() == 0) {
+            if (messageHandlers.isEmpty()) {
                 uninstallMessageHandlers();
             }
         }
@@ -517,14 +590,21 @@ public class DbusManagerImpl implements Manager {
     @Override
     public boolean isReceiving() {
         synchronized (messageHandlers) {
-            return messageHandlers.size() > 0;
+            return !messageHandlers.isEmpty();
         }
     }
 
+    private Thread receiveThread;
+
     @Override
     public void receiveMessages(
             Optional<Duration> timeout, Optional<Integer> maxMessages, ReceiveMessageHandler handler
-    ) throws IOException {
+    ) throws IOException, AlreadyReceivingException {
+        if (receiveThread != null) {
+            throw new AlreadyReceivingException("Already receiving message.");
+        }
+        receiveThread = Thread.currentThread();
+
         final var remainingMessages = new AtomicInteger(maxMessages.orElse(-1));
         final var lastMessage = new AtomicLong(System.currentTimeMillis());
         final var thread = Thread.currentThread();
@@ -550,6 +630,7 @@ public class DbusManagerImpl implements Manager {
                     }
                     Thread.sleep(sleepTimeRemaining);
                 } catch (InterruptedException ignored) {
+                    break;
                 }
             }
         } else {
@@ -562,6 +643,14 @@ public class DbusManagerImpl implements Manager {
         }
 
         removeReceiveHandler(receiveHandler);
+        receiveThread = null;
+    }
+
+    @Override
+    public void stopReceiveMessages() {
+        if (receiveThread != null) {
+            receiveThread.interrupt();
+        }
     }
 
     @Override
@@ -595,15 +684,29 @@ public class DbusManagerImpl implements Manager {
                 return null;
             }
             final var contactName = signal.getContactName(n);
-            if (onlyContacts && contactName.length() == 0) {
+            if (onlyContacts && contactName.isEmpty()) {
                 return null;
             }
             if (name.isPresent() && !name.get().equals(contactName)) {
                 return null;
             }
             return Recipient.newBuilder()
-                    .withAddress(new RecipientAddress(null, n))
-                    .withContact(new Contact(contactName, null, null, 0, contactBlocked, false, false))
+                    .withAddress(new RecipientAddress(n))
+                    .withContact(new Contact(contactName,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            0,
+                            0,
+                            false,
+                            contactBlocked,
+                            false,
+                            false,
+                            false,
+                            null))
                     .build();
         }).filter(Objects::nonNull).toList();
     }
@@ -629,19 +732,19 @@ public class DbusManagerImpl implements Manager {
                     (String) group.get("Description").getValue(),
                     GroupInviteLinkUrl.fromUri((String) group.get("GroupInviteLink").getValue()),
                     ((List<String>) group.get("Members").getValue()).stream()
-                            .map(m -> new RecipientAddress(null, m))
+                            .map(m -> new RecipientAddress(m))
                             .collect(Collectors.toSet()),
                     ((List<String>) group.get("PendingMembers").getValue()).stream()
-                            .map(m -> new RecipientAddress(null, m))
+                            .map(m -> new RecipientAddress(m))
                             .collect(Collectors.toSet()),
                     ((List<String>) group.get("RequestingMembers").getValue()).stream()
-                            .map(m -> new RecipientAddress(null, m))
+                            .map(m -> new RecipientAddress(m))
                             .collect(Collectors.toSet()),
                     ((List<String>) group.get("Admins").getValue()).stream()
-                            .map(m -> new RecipientAddress(null, m))
+                            .map(m -> new RecipientAddress(m))
                             .collect(Collectors.toSet()),
                     ((List<String>) group.get("Banned").getValue()).stream()
-                            .map(m -> new RecipientAddress(null, m))
+                            .map(m -> new RecipientAddress(m))
                             .collect(Collectors.toSet()),
                     (boolean) group.get("IsBlocked").getValue(),
                     (int) group.get("MessageExpirationTimer").getValue(),
@@ -657,29 +760,31 @@ public class DbusManagerImpl implements Manager {
 
     @Override
     public List<Identity> getIdentities() {
-        throw new UnsupportedOperationException();
+        final var identities = signal.listIdentities();
+        return identities.stream().map(Signal.StructIdentity::getObjectPath).map(this::getIdentity).toList();
     }
 
     @Override
     public List<Identity> getIdentities(final RecipientIdentifier.Single recipient) {
-        throw new UnsupportedOperationException();
-    }
-
-    @Override
-    public boolean trustIdentityVerified(final RecipientIdentifier.Single recipient, final byte[] fingerprint) {
-        throw new UnsupportedOperationException();
+        final var path = signal.getIdentity(recipient.getIdentifier());
+        return List.of(getIdentity(path));
     }
 
-    @Override
-    public boolean trustIdentityVerifiedSafetyNumber(
-            final RecipientIdentifier.Single recipient, final String safetyNumber
-    ) {
-        throw new UnsupportedOperationException();
+    private Identity getIdentity(final DBusPath identityPath) {
+        final var group = getRemoteObject(identityPath, Signal.Identity.class).GetAll("org.asamk.Signal.Identity");
+        final var aci = (String) group.get("Uuid").getValue();
+        final var number = (String) group.get("Number").getValue();
+        return new Identity(new RecipientAddress(aci, null, number, null),
+                (byte[]) group.get("Fingerprint").getValue(),
+                (String) group.get("SafetyNumber").getValue(),
+                (byte[]) group.get("ScannableSafetyNumber").getValue(),
+                TrustLevel.valueOf((String) group.get("TrustLevel").getValue()),
+                (Long) group.get("AddedDate").getValue());
     }
 
     @Override
-    public boolean trustIdentityVerifiedSafetyNumber(
-            final RecipientIdentifier.Single recipient, final byte[] safetyNumber
+    public boolean trustIdentityVerified(
+            final RecipientIdentifier.Single recipient, final IdentityVerificationCode verificationCode
     ) {
         throw new UnsupportedOperationException();
     }
@@ -706,7 +811,7 @@ public class DbusManagerImpl implements Manager {
             this.notify();
         }
         synchronized (messageHandlers) {
-            if (messageHandlers.size() > 0) {
+            if (!messageHandlers.isEmpty()) {
                 uninstallMessageHandlers();
             }
             weakHandlers.clear();
@@ -730,7 +835,7 @@ public class DbusManagerImpl implements Manager {
                 .map(RecipientIdentifier.Single.class::cast)
                 .map(RecipientIdentifier.Single::getIdentifier)
                 .toList();
-        if (singleRecipients.size() > 0) {
+        if (!singleRecipients.isEmpty()) {
             timestamp = recipientsHandler.apply(singleRecipients);
         }
 
@@ -754,7 +859,7 @@ public class DbusManagerImpl implements Manager {
 
     private <T extends DBusInterface> T getRemoteObject(final DBusPath path, final Class<T> type) {
         try {
-            return connection.getRemoteObject(DbusConfig.getBusname(), path.getPath(), type);
+            return connection.getRemoteObject(busname, path.getPath(), type);
         } catch (DBusException e) {
             throw new AssertionError(e);
         }
@@ -764,8 +869,7 @@ public class DbusManagerImpl implements Manager {
         try {
             this.dbusMsgHandler = messageReceived -> {
                 final var extras = messageReceived.getExtras();
-                final var envelope = new MessageEnvelope(Optional.of(new RecipientAddress(null,
-                        messageReceived.getSender())),
+                final var envelope = new MessageEnvelope(Optional.of(new RecipientAddress(messageReceived.getSender())),
                         0,
                         messageReceived.getTimestamp(),
                         0,
@@ -794,7 +898,7 @@ public class DbusManagerImpl implements Manager {
                                 Optional.empty(),
                                 Optional.empty(),
                                 List.of(),
-                                List.of(),
+                                getMentions(extras),
                                 List.of(),
                                 List.of())),
                         Optional.empty(),
@@ -804,6 +908,48 @@ public class DbusManagerImpl implements Manager {
                 notifyMessageHandlers(envelope);
             };
             connection.addSigHandler(Signal.MessageReceivedV2.class, signal, this.dbusMsgHandler);
+            this.dbusEditMsgHandler = messageReceived -> {
+                final var extras = messageReceived.getExtras();
+                final var envelope = new MessageEnvelope(Optional.of(new RecipientAddress(messageReceived.getSender())),
+                        0,
+                        messageReceived.getTimestamp(),
+                        0,
+                        0,
+                        false,
+                        Optional.empty(),
+                        Optional.empty(),
+                        Optional.empty(),
+                        Optional.of(new MessageEnvelope.Edit(messageReceived.getTargetSentTimestamp(),
+                                new MessageEnvelope.Data(messageReceived.getTimestamp(),
+                                        messageReceived.getGroupId().length > 0
+                                                ? Optional.of(new MessageEnvelope.Data.GroupContext(GroupId.unknownVersion(
+                                                messageReceived.getGroupId()), false, 0))
+                                                : Optional.empty(),
+                                        Optional.empty(),
+                                        Optional.empty(),
+                                        Optional.of(messageReceived.getMessage()),
+                                        0,
+                                        false,
+                                        false,
+                                        false,
+                                        false,
+                                        false,
+                                        Optional.empty(),
+                                        Optional.empty(),
+                                        Optional.empty(),
+                                        getAttachments(extras),
+                                        Optional.empty(),
+                                        Optional.empty(),
+                                        List.of(),
+                                        getMentions(extras),
+                                        List.of(),
+                                        List.of()))),
+                        Optional.empty(),
+                        Optional.empty(),
+                        Optional.empty());
+                notifyMessageHandlers(envelope);
+            };
+            connection.addSigHandler(Signal.EditMessageReceived.class, signal, this.dbusEditMsgHandler);
 
             this.dbusRcptHandler = receiptReceived -> {
                 final var type = switch (receiptReceived.getReceiptType()) {
@@ -812,8 +958,7 @@ public class DbusManagerImpl implements Manager {
                     case "delivery" -> MessageEnvelope.Receipt.Type.DELIVERY;
                     default -> MessageEnvelope.Receipt.Type.UNKNOWN;
                 };
-                final var envelope = new MessageEnvelope(Optional.of(new RecipientAddress(null,
-                        receiptReceived.getSender())),
+                final var envelope = new MessageEnvelope(Optional.of(new RecipientAddress(receiptReceived.getSender())),
                         0,
                         receiptReceived.getTimestamp(),
                         0,
@@ -834,8 +979,7 @@ public class DbusManagerImpl implements Manager {
 
             this.dbusSyncHandler = syncReceived -> {
                 final var extras = syncReceived.getExtras();
-                final var envelope = new MessageEnvelope(Optional.of(new RecipientAddress(null,
-                        syncReceived.getSource())),
+                final var envelope = new MessageEnvelope(Optional.of(new RecipientAddress(syncReceived.getSource())),
                         0,
                         syncReceived.getTimestamp(),
                         0,
@@ -849,7 +993,7 @@ public class DbusManagerImpl implements Manager {
                                 syncReceived.getTimestamp(),
                                 syncReceived.getDestination().isEmpty()
                                         ? Optional.empty()
-                                        : Optional.of(new RecipientAddress(null, syncReceived.getDestination())),
+                                        : Optional.of(new RecipientAddress(syncReceived.getDestination())),
                                 Set.of(),
                                 Optional.of(new MessageEnvelope.Data(syncReceived.getTimestamp(),
                                         syncReceived.getGroupId().length > 0
@@ -872,7 +1016,7 @@ public class DbusManagerImpl implements Manager {
                                         Optional.empty(),
                                         Optional.empty(),
                                         List.of(),
-                                        List.of(),
+                                        getMentions(extras),
                                         List.of(),
                                         List.of())),
                                 Optional.empty(),
@@ -890,7 +1034,7 @@ public class DbusManagerImpl implements Manager {
             };
             connection.addSigHandler(Signal.SyncMessageReceivedV2.class, signal, this.dbusSyncHandler);
         } catch (DBusException e) {
-            e.printStackTrace();
+            throw new RuntimeException(e);
         }
         signal.subscribeReceive();
     }
@@ -906,10 +1050,11 @@ public class DbusManagerImpl implements Manager {
         try {
             signal.unsubscribeReceive();
             connection.removeSigHandler(Signal.MessageReceivedV2.class, signal, this.dbusMsgHandler);
+            connection.removeSigHandler(Signal.EditMessageReceived.class, signal, this.dbusEditMsgHandler);
             connection.removeSigHandler(Signal.ReceiptReceivedV2.class, signal, this.dbusRcptHandler);
             connection.removeSigHandler(Signal.SyncMessageReceivedV2.class, signal, this.dbusSyncHandler);
         } catch (DBusException e) {
-            e.printStackTrace();
+            throw new RuntimeException(e);
         }
     }
 
@@ -940,11 +1085,44 @@ public class DbusManagerImpl implements Manager {
         }).toList();
     }
 
+    private List<MessageEnvelope.Data.Mention> getMentions(final Map<String, Variant<?>> extras) {
+        if (!extras.containsKey("mentions")) {
+            return List.of();
+        }
+
+        final List<DBusMap<String, Variant<?>>> mentions = getValue(extras, "mentions");
+        return mentions.stream()
+                .map(a -> new MessageEnvelope.Data.Mention(new RecipientAddress(this.<String>getValue(a, "recipient")),
+                        getValue(a, "start"),
+                        getValue(a, "length")))
+                .toList();
+    }
+
     @Override
     public InputStream retrieveAttachment(final String id) throws IOException {
         throw new UnsupportedOperationException();
     }
 
+    @Override
+    public InputStream retrieveContactAvatar(final RecipientIdentifier.Single recipient) throws IOException, UnregisteredRecipientException {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public InputStream retrieveProfileAvatar(final RecipientIdentifier.Single recipient) throws IOException, UnregisteredRecipientException {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public InputStream retrieveGroupAvatar(final GroupId groupId) throws IOException {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public InputStream retrieveSticker(final StickerPackId stickerPackId, final int stickerId) throws IOException {
+        throw new UnsupportedOperationException();
+    }
+
     @SuppressWarnings("unchecked")
     private <T> T getValue(
             final Map<String, Variant<?>> stringVariantMap, final String field