]> nmode's Git Repositories - signal-cli/blobdiff - lib/src/main/java/org/asamk/signal/manager/Manager.java
Implement sticker pack retrieval
[signal-cli] / lib / src / main / java / org / asamk / signal / manager / Manager.java
index cd0ce561a4b9ce08edc0fb91fa4281ca35f87fc5..37b4aa860e6ead15b1562923bc9ca323acf76276 100644 (file)
 package org.asamk.signal.manager;
 
 import org.asamk.signal.manager.api.Device;
+import org.asamk.signal.manager.api.TypingAction;
 import org.asamk.signal.manager.config.ServiceConfig;
 import org.asamk.signal.manager.config.ServiceEnvironment;
 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
 import org.asamk.signal.manager.groups.GroupId;
 import org.asamk.signal.manager.groups.GroupIdV1;
 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
+import org.asamk.signal.manager.groups.GroupLinkState;
 import org.asamk.signal.manager.groups.GroupNotFoundException;
+import org.asamk.signal.manager.groups.GroupPermission;
 import org.asamk.signal.manager.groups.GroupUtils;
+import org.asamk.signal.manager.groups.LastGroupAdminException;
 import org.asamk.signal.manager.groups.NotAGroupMemberException;
 import org.asamk.signal.manager.helper.GroupV2Helper;
 import org.asamk.signal.manager.helper.PinHelper;
 import org.asamk.signal.manager.helper.ProfileHelper;
 import org.asamk.signal.manager.helper.UnidentifiedAccessHelper;
+import org.asamk.signal.manager.jobs.Context;
+import org.asamk.signal.manager.jobs.Job;
+import org.asamk.signal.manager.jobs.RetrieveStickerPackJob;
 import org.asamk.signal.manager.storage.SignalAccount;
 import org.asamk.signal.manager.storage.groups.GroupInfo;
 import org.asamk.signal.manager.storage.groups.GroupInfoV1;
@@ -84,6 +91,7 @@ import org.whispersystems.signalservice.api.SignalServiceMessagePipe;
 import org.whispersystems.signalservice.api.SignalServiceMessageReceiver;
 import org.whispersystems.signalservice.api.SignalServiceMessageSender;
 import org.whispersystems.signalservice.api.SignalSessionLock;
+import org.whispersystems.signalservice.api.crypto.ContentHint;
 import org.whispersystems.signalservice.api.crypto.SignalServiceCipher;
 import org.whispersystems.signalservice.api.crypto.UntrustedIdentityException;
 import org.whispersystems.signalservice.api.groupsv2.ClientZkOperations;
@@ -102,6 +110,7 @@ import org.whispersystems.signalservice.api.messages.SignalServiceEnvelope;
 import org.whispersystems.signalservice.api.messages.SignalServiceGroup;
 import org.whispersystems.signalservice.api.messages.SignalServiceGroupV2;
 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
+import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
 import org.whispersystems.signalservice.api.messages.multidevice.BlockedListMessage;
 import org.whispersystems.signalservice.api.messages.multidevice.ContactsMessage;
 import org.whispersystems.signalservice.api.messages.multidevice.DeviceContact;
@@ -118,6 +127,7 @@ import org.whispersystems.signalservice.api.messages.multidevice.VerifiedMessage
 import org.whispersystems.signalservice.api.profiles.ProfileAndCredential;
 import org.whispersystems.signalservice.api.profiles.SignalServiceProfile;
 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
+import org.whispersystems.signalservice.api.push.exceptions.ConflictException;
 import org.whispersystems.signalservice.api.push.exceptions.MissingConfigurationException;
 import org.whispersystems.signalservice.api.push.exceptions.UnregisteredUserException;
 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
@@ -195,6 +205,7 @@ public class Manager implements Closeable {
     private final PinHelper pinHelper;
     private final AvatarStore avatarStore;
     private final AttachmentStore attachmentStore;
+    private final StickerPackStore stickerPackStore;
     private final SignalSessionLock sessionLock = new SignalSessionLock() {
         private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 
@@ -268,6 +279,7 @@ public class Manager implements Closeable {
                 this::resolveSignalServiceAddress);
         this.avatarStore = new AvatarStore(pathConfig.getAvatarsPath());
         this.attachmentStore = new AttachmentStore(pathConfig.getAttachmentsPath());
+        this.stickerPackStore = new StickerPackStore(pathConfig.getStickerPacksPath());
     }
 
     public String getUsername() {
@@ -327,6 +339,17 @@ public class Manager implements Closeable {
     }
 
     public void checkAccountState() throws IOException {
+        if (account.getLastReceiveTimestamp() == 0) {
+            logger.warn("The Signal protocol expects that incoming messages are regularly received.");
+        } else {
+            var diffInMilliseconds = System.currentTimeMillis() - account.getLastReceiveTimestamp();
+            long days = TimeUnit.DAYS.convert(diffInMilliseconds, TimeUnit.MILLISECONDS);
+            if (days > 7) {
+                logger.warn(
+                        "Messages have been last received {} days ago. The Signal protocol expects that incoming messages are regularly received.",
+                        days);
+            }
+        }
         if (accountManager.getPreKeysCount() < ServiceConfig.PREKEY_MINIMUM_COUNT) {
             refreshPreKeys();
         }
@@ -571,7 +594,7 @@ public class Manager implements Closeable {
     ) {
         var profile = account.getProfileStore().getProfile(recipientId);
 
-        var now = new Date().getTime();
+        var now = System.currentTimeMillis();
         // Profiles are cached for 24h before retrieving them again, unless forced
         if (!force && profile != null && now - profile.getLastUpdateTimestamp() < 24 * 60 * 60 * 1000) {
             return profile;
@@ -597,7 +620,7 @@ public class Manager implements Closeable {
 
         var profileKey = account.getProfileStore().getProfileKey(recipientId);
         if (profileKey == null) {
-            profile = new Profile(new Date().getTime(),
+            profile = new Profile(System.currentTimeMillis(),
                     null,
                     null,
                     null,
@@ -638,7 +661,7 @@ public class Manager implements Closeable {
             }
         } catch (InvalidKeyException ignored) {
             logger.warn("Got invalid identity key in profile for {}",
-                    resolveSignalServiceAddress(recipientId).getLegacyIdentifier());
+                    resolveSignalServiceAddress(recipientId).getIdentifier());
         }
         return profileAndCredential;
     }
@@ -761,25 +784,58 @@ public class Manager implements Closeable {
         return sendMessage(messageBuilder, g.getMembersWithout(account.getSelfRecipientId()));
     }
 
-    public Pair<Long, List<SendMessageResult>> sendQuitGroupMessage(GroupId groupId) throws GroupNotFoundException, IOException, NotAGroupMemberException {
-        SignalServiceDataMessage.Builder messageBuilder;
+    public Pair<Long, List<SendMessageResult>> sendQuitGroupMessage(
+            GroupId groupId, Set<String> groupAdmins
+    ) throws GroupNotFoundException, IOException, NotAGroupMemberException, InvalidNumberException, LastGroupAdminException {
+        var group = getGroupForUpdating(groupId);
+        if (group instanceof GroupInfoV1) {
+            return quitGroupV1((GroupInfoV1) group);
+        }
 
-        final var g = getGroupForUpdating(groupId);
-        if (g instanceof GroupInfoV1) {
-            var groupInfoV1 = (GroupInfoV1) g;
-            var group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.QUIT).withId(groupId.serialize()).build();
-            messageBuilder = SignalServiceDataMessage.newBuilder().asGroupMessage(group);
-            groupInfoV1.removeMember(account.getSelfRecipientId());
-            account.getGroupStore().updateGroup(groupInfoV1);
-        } else {
-            final var groupInfoV2 = (GroupInfoV2) g;
-            final var groupGroupChangePair = groupV2Helper.leaveGroup(groupInfoV2);
-            groupInfoV2.setGroup(groupGroupChangePair.first(), this::resolveRecipient);
-            messageBuilder = getGroupUpdateMessageBuilder(groupInfoV2, groupGroupChangePair.second().toByteArray());
-            account.getGroupStore().updateGroup(groupInfoV2);
+        final var newAdmins = getSignalServiceAddresses(groupAdmins);
+        try {
+            return quitGroupV2((GroupInfoV2) group, newAdmins);
+        } catch (ConflictException e) {
+            // Detected conflicting update, refreshing group and trying again
+            group = getGroup(groupId, true);
+            return quitGroupV2((GroupInfoV2) group, newAdmins);
         }
+    }
 
-        return sendMessage(messageBuilder, g.getMembersWithout(account.getSelfRecipientId()));
+    private Pair<Long, List<SendMessageResult>> quitGroupV1(final GroupInfoV1 groupInfoV1) throws IOException {
+        var group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.QUIT)
+                .withId(groupInfoV1.getGroupId().serialize())
+                .build();
+
+        var messageBuilder = SignalServiceDataMessage.newBuilder().asGroupMessage(group);
+        groupInfoV1.removeMember(account.getSelfRecipientId());
+        account.getGroupStore().updateGroup(groupInfoV1);
+        return sendMessage(messageBuilder, groupInfoV1.getMembersWithout(account.getSelfRecipientId()));
+    }
+
+    private Pair<Long, List<SendMessageResult>> quitGroupV2(
+            final GroupInfoV2 groupInfoV2, final Set<RecipientId> newAdmins
+    ) throws LastGroupAdminException, IOException {
+        final var currentAdmins = groupInfoV2.getAdminMembers();
+        newAdmins.removeAll(currentAdmins);
+        newAdmins.retainAll(groupInfoV2.getMembers());
+        if (currentAdmins.contains(getSelfRecipientId())
+                && currentAdmins.size() == 1
+                && groupInfoV2.getMembers().size() > 1
+                && newAdmins.size() == 0) {
+            // Last admin can't leave the group, unless she's also the last member
+            throw new LastGroupAdminException(groupInfoV2.getGroupId(), groupInfoV2.getTitle());
+        }
+        final var groupGroupChangePair = groupV2Helper.leaveGroup(groupInfoV2, newAdmins);
+        groupInfoV2.setGroup(groupGroupChangePair.first(), this::resolveRecipient);
+        var messageBuilder = getGroupUpdateMessageBuilder(groupInfoV2, groupGroupChangePair.second().toByteArray());
+        account.getGroupStore().updateGroup(groupInfoV2);
+        return sendMessage(messageBuilder, groupInfoV2.getMembersWithout(account.getSelfRecipientId()));
+    }
+
+    public void deleteGroup(GroupId groupId) throws IOException {
+        account.getGroupStore().deleteGroup(groupId);
+        avatarStore.deleteGroupAvatar(groupId);
     }
 
     public Pair<GroupId, List<SendMessageResult>> createGroup(
@@ -831,31 +887,87 @@ public class Manager implements Closeable {
             String description,
             List<String> members,
             List<String> removeMembers,
-            File avatarFile
+            List<String> admins,
+            List<String> removeAdmins,
+            boolean resetGroupLink,
+            GroupLinkState groupLinkState,
+            GroupPermission addMemberPermission,
+            GroupPermission editDetailsPermission,
+            File avatarFile,
+            Integer expirationTimer
     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, InvalidNumberException, NotAGroupMemberException {
         return updateGroup(groupId,
                 name,
                 description,
                 members == null ? null : getSignalServiceAddresses(members),
                 removeMembers == null ? null : getSignalServiceAddresses(removeMembers),
-                avatarFile);
+                admins == null ? null : getSignalServiceAddresses(admins),
+                removeAdmins == null ? null : getSignalServiceAddresses(removeAdmins),
+                resetGroupLink,
+                groupLinkState,
+                addMemberPermission,
+                editDetailsPermission,
+                avatarFile,
+                expirationTimer);
     }
 
     private Pair<Long, List<SendMessageResult>> updateGroup(
-            GroupId groupId,
-            String name,
-            String description,
-            Set<RecipientId> members,
+            final GroupId groupId,
+            final String name,
+            final String description,
+            final Set<RecipientId> members,
             final Set<RecipientId> removeMembers,
-            File avatarFile
+            final Set<RecipientId> admins,
+            final Set<RecipientId> removeAdmins,
+            final boolean resetGroupLink,
+            final GroupLinkState groupLinkState,
+            final GroupPermission addMemberPermission,
+            final GroupPermission editDetailsPermission,
+            final File avatarFile,
+            final Integer expirationTimer
     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException {
         var group = getGroupForUpdating(groupId);
 
         if (group instanceof GroupInfoV2) {
-            return updateGroupV2((GroupInfoV2) group, name, description, members, removeMembers, avatarFile);
+            try {
+                return updateGroupV2((GroupInfoV2) group,
+                        name,
+                        description,
+                        members,
+                        removeMembers,
+                        admins,
+                        removeAdmins,
+                        resetGroupLink,
+                        groupLinkState,
+                        addMemberPermission,
+                        editDetailsPermission,
+                        avatarFile,
+                        expirationTimer);
+            } catch (ConflictException e) {
+                // Detected conflicting update, refreshing group and trying again
+                group = getGroup(groupId, true);
+                return updateGroupV2((GroupInfoV2) group,
+                        name,
+                        description,
+                        members,
+                        removeMembers,
+                        admins,
+                        removeAdmins,
+                        resetGroupLink,
+                        groupLinkState,
+                        addMemberPermission,
+                        editDetailsPermission,
+                        avatarFile,
+                        expirationTimer);
+            }
         }
 
-        return updateGroupV1((GroupInfoV1) group, name, members, avatarFile);
+        final var gv1 = (GroupInfoV1) group;
+        final var result = updateGroupV1(gv1, name, members, avatarFile);
+        if (expirationTimer != null) {
+            setExpirationTimer(gv1, expirationTimer);
+        }
+        return result;
     }
 
     private Pair<Long, List<SendMessageResult>> updateGroupV1(
@@ -913,7 +1025,14 @@ public class Manager implements Closeable {
             final String description,
             final Set<RecipientId> members,
             final Set<RecipientId> removeMembers,
-            final File avatarFile
+            final Set<RecipientId> admins,
+            final Set<RecipientId> removeAdmins,
+            final boolean resetGroupLink,
+            final GroupLinkState groupLinkState,
+            final GroupPermission addMemberPermission,
+            final GroupPermission editDetailsPermission,
+            final File avatarFile,
+            Integer expirationTimer
     ) throws IOException {
         Pair<Long, List<SendMessageResult>> result = null;
         if (group.isPendingMember(account.getSelfRecipientId())) {
@@ -947,7 +1066,59 @@ public class Manager implements Closeable {
             }
         }
 
-        if (result == null || name != null || description != null || avatarFile != null) {
+        if (admins != null) {
+            final var newAdmins = new HashSet<>(admins);
+            newAdmins.retainAll(group.getMembers());
+            newAdmins.removeAll(group.getAdminMembers());
+            if (newAdmins.size() > 0) {
+                for (var admin : newAdmins) {
+                    var groupGroupChangePair = groupV2Helper.setMemberAdmin(group, admin, true);
+                    result = sendUpdateGroupV2Message(group,
+                            groupGroupChangePair.first(),
+                            groupGroupChangePair.second());
+                }
+            }
+        }
+
+        if (removeAdmins != null) {
+            final var existingRemoveAdmins = new HashSet<>(removeAdmins);
+            existingRemoveAdmins.retainAll(group.getAdminMembers());
+            if (existingRemoveAdmins.size() > 0) {
+                for (var admin : existingRemoveAdmins) {
+                    var groupGroupChangePair = groupV2Helper.setMemberAdmin(group, admin, false);
+                    result = sendUpdateGroupV2Message(group,
+                            groupGroupChangePair.first(),
+                            groupGroupChangePair.second());
+                }
+            }
+        }
+
+        if (resetGroupLink) {
+            var groupGroupChangePair = groupV2Helper.resetGroupLinkPassword(group);
+            result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
+        }
+
+        if (groupLinkState != null) {
+            var groupGroupChangePair = groupV2Helper.setGroupLinkState(group, groupLinkState);
+            result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
+        }
+
+        if (addMemberPermission != null) {
+            var groupGroupChangePair = groupV2Helper.setAddMemberPermission(group, addMemberPermission);
+            result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
+        }
+
+        if (editDetailsPermission != null) {
+            var groupGroupChangePair = groupV2Helper.setEditDetailsPermission(group, editDetailsPermission);
+            result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
+        }
+
+        if (expirationTimer != null) {
+            var groupGroupChangePair = groupV2Helper.setMessageExpirationTimer(group, expirationTimer);
+            result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
+        }
+
+        if (name != null || description != null || avatarFile != null) {
             var groupGroupChangePair = groupV2Helper.updateGroup(group, name, description, avatarFile);
             if (avatarFile != null) {
                 avatarStore.storeGroupAvatar(group.getGroupId(),
@@ -1243,15 +1414,17 @@ public class Manager implements Closeable {
     /**
      * Change the expiration timer for a group
      */
-    public void setExpirationTimer(GroupId groupId, int messageExpirationTimer) {
-        var g = getGroup(groupId);
-        if (g instanceof GroupInfoV1) {
-            var groupInfoV1 = (GroupInfoV1) g;
-            groupInfoV1.messageExpirationTime = messageExpirationTimer;
-            account.getGroupStore().updateGroup(groupInfoV1);
-        } else {
-            throw new RuntimeException("TODO Not implemented!");
-        }
+    private void setExpirationTimer(
+            GroupInfoV1 groupInfoV1, int messageExpirationTimer
+    ) throws NotAGroupMemberException, GroupNotFoundException, IOException {
+        groupInfoV1.messageExpirationTime = messageExpirationTimer;
+        account.getGroupStore().updateGroup(groupInfoV1);
+        sendExpirationTimerUpdate(groupInfoV1.getGroupId());
+    }
+
+    private void sendExpirationTimerUpdate(GroupIdV1 groupId) throws IOException, NotAGroupMemberException, GroupNotFoundException {
+        final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
+        sendGroupMessage(messageBuilder, groupId);
     }
 
     /**
@@ -1266,18 +1439,20 @@ public class Manager implements Closeable {
         var messageSender = createMessageSender();
 
         var packKey = KeyUtils.createStickerUploadKey();
-        var packId = messageSender.uploadStickerManifest(manifest, packKey);
+        var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
+        var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
 
-        var sticker = new Sticker(StickerPackId.deserialize(Hex.fromStringCondensed(packId)), packKey);
+        var sticker = new Sticker(packId, packKey);
         account.getStickerStore().updateSticker(sticker);
 
         try {
             return new URI("https",
                     "signal.art",
                     "/addstickers/",
-                    "pack_id=" + URLEncoder.encode(packId, StandardCharsets.UTF_8) + "&pack_key=" + URLEncoder.encode(
-                            Hex.toStringCondensed(packKey),
-                            StandardCharsets.UTF_8)).toString();
+                    "pack_id="
+                            + URLEncoder.encode(Hex.toStringCondensed(packId.serialize()), StandardCharsets.UTF_8)
+                            + "&pack_key="
+                            + URLEncoder.encode(Hex.toStringCondensed(packKey), StandardCharsets.UTF_8)).toString();
         } catch (URISyntaxException e) {
             throw new AssertionError(e);
         }
@@ -1369,7 +1544,7 @@ public class Manager implements Closeable {
 
     private void sendSyncMessage(SignalServiceSyncMessage message) throws IOException, UntrustedIdentityException {
         var messageSender = createMessageSender();
-        messageSender.sendMessage(message, unidentifiedAccessHelper.getAccessForSync());
+        messageSender.sendSyncMessage(message, unidentifiedAccessHelper.getAccessForSync());
     }
 
     private Set<RecipientId> getSignalServiceAddresses(Collection<String> numbers) throws InvalidNumberException {
@@ -1431,6 +1606,40 @@ public class Manager implements Closeable {
         }
     }
 
+    public void sendTypingMessage(
+            TypingAction action, Set<String> recipients
+    ) throws IOException, UntrustedIdentityException, InvalidNumberException {
+        sendTypingMessageInternal(action, getSignalServiceAddresses(recipients));
+    }
+
+    private void sendTypingMessageInternal(
+            TypingAction action, Set<RecipientId> recipientIds
+    ) throws IOException, UntrustedIdentityException {
+        final var timestamp = System.currentTimeMillis();
+        var message = new SignalServiceTypingMessage(action.toSignalService(), timestamp, Optional.absent());
+        var messageSender = createMessageSender();
+        for (var recipientId : recipientIds) {
+            final var address = resolveSignalServiceAddress(recipientId);
+            messageSender.sendTyping(address, unidentifiedAccessHelper.getAccessFor(recipientId), message);
+        }
+    }
+
+    public void sendGroupTypingMessage(
+            TypingAction action, GroupId groupId
+    ) throws IOException, NotAGroupMemberException, GroupNotFoundException {
+        final var timestamp = System.currentTimeMillis();
+        final var g = getGroupForSending(groupId);
+        final var message = new SignalServiceTypingMessage(action.toSignalService(),
+                timestamp,
+                Optional.of(groupId.serialize()));
+        final var messageSender = createMessageSender();
+        final var recipientIdList = new ArrayList<>(g.getMembersWithout(account.getSelfRecipientId()));
+        final var addresses = recipientIdList.stream()
+                .map(this::resolveSignalServiceAddress)
+                .collect(Collectors.toList());
+        messageSender.sendTyping(addresses, unidentifiedAccessHelper.getAccessFor(recipientIdList), message, null);
+    }
+
     private Pair<Long, List<SendMessageResult>> sendMessage(
             SignalServiceDataMessage.Builder messageBuilder, Set<RecipientId> recipientIds
     ) throws IOException {
@@ -1449,9 +1658,10 @@ public class Manager implements Closeable {
                     final var addresses = recipientIdList.stream()
                             .map(this::resolveSignalServiceAddress)
                             .collect(Collectors.toList());
-                    var result = messageSender.sendMessage(addresses,
+                    var result = messageSender.sendDataMessage(addresses,
                             unidentifiedAccessHelper.getAccessFor(recipientIdList),
                             isRecipientUpdate,
+                            ContentHint.DEFAULT,
                             message);
 
                     for (var r : result) {
@@ -1526,7 +1736,7 @@ public class Manager implements Closeable {
 
         try {
             var startTime = System.currentTimeMillis();
-            messageSender.sendMessage(syncMessage, unidentifiedAccess);
+            messageSender.sendSyncMessage(syncMessage, unidentifiedAccess);
             return SendMessageResult.success(recipient,
                     unidentifiedAccess.isPresent(),
                     false,
@@ -1544,11 +1754,15 @@ public class Manager implements Closeable {
         final var address = resolveSignalServiceAddress(recipientId);
         try {
             try {
-                return messageSender.sendMessage(address, unidentifiedAccessHelper.getAccessFor(recipientId), message);
+                return messageSender.sendDataMessage(address,
+                        unidentifiedAccessHelper.getAccessFor(recipientId),
+                        ContentHint.DEFAULT,
+                        message);
             } catch (UnregisteredUserException e) {
                 final var newRecipientId = refreshRegisteredUser(recipientId);
-                return messageSender.sendMessage(resolveSignalServiceAddress(newRecipientId),
+                return messageSender.sendDataMessage(resolveSignalServiceAddress(newRecipientId),
                         unidentifiedAccessHelper.getAccessFor(newRecipientId),
+                        ContentHint.DEFAULT,
                         message);
             }
         } catch (UntrustedIdentityException e) {
@@ -1732,6 +1946,7 @@ public class Manager implements Closeable {
                 sticker = new Sticker(stickerPackId, messageSticker.getPackKey());
                 account.getStickerStore().updateSticker(sticker);
             }
+            enqueueJob(new RetrieveStickerPackJob(stickerPackId, messageSticker.getPackKey()));
         }
         return actions;
     }
@@ -1867,6 +2082,8 @@ public class Manager implements Closeable {
             SignalServiceContent content = null;
             Exception exception = null;
             final CachedMessage[] cachedMessage = {null};
+            account.setLastReceiveTimestamp(System.currentTimeMillis());
+            logger.debug("Checking for new message from server");
             try {
                 var result = messagePipe.readOrEmpty(timeout, unit, envelope1 -> {
                     final var recipientId = envelope1.hasSource()
@@ -1875,6 +2092,7 @@ public class Manager implements Closeable {
                     // store message on disk, before acknowledging receipt to the server
                     cachedMessage[0] = account.getMessageCache().cacheMessage(envelope1, recipientId);
                 });
+                logger.debug("New message received from server");
                 if (result.isPresent()) {
                     envelope = result.get();
                 } else {
@@ -2094,7 +2312,16 @@ public class Manager implements Closeable {
                         try (var attachmentAsStream = retrieveAttachmentAsStream(groupsMessage.asPointer(), tmpFile)) {
                             var s = new DeviceGroupsInputStream(attachmentAsStream);
                             DeviceGroup g;
-                            while ((g = s.read()) != null) {
+                            while (true) {
+                                try {
+                                    g = s.read();
+                                } catch (IOException e) {
+                                    logger.warn("Sync groups contained invalid group, ignoring: {}", e.getMessage());
+                                    continue;
+                                }
+                                if (g == null) {
+                                    break;
+                                }
                                 var syncGroup = account.getGroupStore().getOrCreateGroupV1(GroupId.v1(g.getId()));
                                 if (syncGroup != null) {
                                     if (g.getName().isPresent()) {
@@ -2165,7 +2392,17 @@ public class Manager implements Closeable {
                                 .asPointer(), tmpFile)) {
                             var s = new DeviceContactsInputStream(attachmentAsStream);
                             DeviceContact c;
-                            while ((c = s.read()) != null) {
+                            while (true) {
+                                try {
+                                    c = s.read();
+                                } catch (IOException e) {
+                                    logger.warn("Sync contacts contained invalid contact, ignoring: {}",
+                                            e.getMessage());
+                                    continue;
+                                }
+                                if (c == null) {
+                                    break;
+                                }
                                 if (c.getAddress().matches(account.getSelfAddress()) && c.getProfileKey().isPresent()) {
                                     account.setProfileKey(c.getProfileKey().get());
                                 }
@@ -2232,16 +2469,23 @@ public class Manager implements Closeable {
                             continue;
                         }
                         final var stickerPackId = StickerPackId.deserialize(m.getPackId().get());
+                        final var installed = !m.getType().isPresent()
+                                || m.getType().get() == StickerPackOperationMessage.Type.INSTALL;
+
                         var sticker = account.getStickerStore().getSticker(stickerPackId);
-                        if (sticker == null) {
-                            if (!m.getPackKey().isPresent()) {
-                                continue;
+                        if (m.getPackKey().isPresent()) {
+                            if (sticker == null) {
+                                sticker = new Sticker(stickerPackId, m.getPackKey().get());
                             }
-                            sticker = new Sticker(stickerPackId, m.getPackKey().get());
+                            if (installed) {
+                                enqueueJob(new RetrieveStickerPackJob(stickerPackId, m.getPackKey().get()));
+                            }
+                        }
+
+                        if (sticker != null) {
+                            sticker.setInstalled(installed);
+                            account.getStickerStore().updateSticker(sticker);
                         }
-                        sticker.setInstalled(!m.getType().isPresent()
-                                || m.getType().get() == StickerPackOperationMessage.Type.INSTALL);
-                        account.getStickerStore().updateSticker(sticker);
                     }
                 }
                 if (syncMessage.getFetchType().isPresent()) {
@@ -2576,8 +2820,12 @@ public class Manager implements Closeable {
     }
 
     public GroupInfo getGroup(GroupId groupId) {
+        return getGroup(groupId, false);
+    }
+
+    public GroupInfo getGroup(GroupId groupId, boolean forceUpdate) {
         final var group = account.getGroupStore().getGroup(groupId);
-        if (group instanceof GroupInfoV2 && ((GroupInfoV2) group).getGroup() == null) {
+        if (group instanceof GroupInfoV2 && (forceUpdate || ((GroupInfoV2) group).getGroup() == null)) {
             final var groupSecretParams = GroupSecretParams.deriveFromMasterKey(((GroupInfoV2) group).getMasterKey());
             ((GroupInfoV2) group).setGroup(groupV2Helper.getDecryptedGroup(groupSecretParams), this::resolveRecipient);
             account.getGroupStore().updateGroup(group);
@@ -2706,6 +2954,11 @@ public class Manager implements Closeable {
         return account.getRecipientStore().resolveRecipientTrusted(address);
     }
 
+    private void enqueueJob(Job job) {
+        var context = new Context(account, accountManager, messageReceiver, stickerPackStore);
+        job.run(context);
+    }
+
     @Override
     public void close() throws IOException {
         close(true);