X-Git-Url: https://git.nmode.ca/signal-cli/blobdiff_plain/ea633efc9c113918c84994f75ed72116f708dada..795b73df87e411f0cb028426f0f5dc94b2981e42:/lib/src/main/java/org/asamk/signal/manager/Manager.java

diff --git a/lib/src/main/java/org/asamk/signal/manager/Manager.java b/lib/src/main/java/org/asamk/signal/manager/Manager.java
index 889bafb0..08789d95 100644
--- a/lib/src/main/java/org/asamk/signal/manager/Manager.java
+++ b/lib/src/main/java/org/asamk/signal/manager/Manager.java
@@ -121,6 +121,7 @@ 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;
@@ -330,6 +331,17 @@ 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();
         }
@@ -574,7 +586,7 @@ 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;
@@ -600,7 +612,7 @@ 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,
@@ -641,7 +653,7 @@ 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;
     }
@@ -889,19 +901,37 @@ public class Manager implements Closeable {
         var group = getGroupForUpdating(groupId);
 
         if (group instanceof GroupInfoV2) {
-            return updateGroupV2((GroupInfoV2) group,
-                    name,
-                    description,
-                    members,
-                    removeMembers,
-                    admins,
-                    removeAdmins,
-                    resetGroupLink,
-                    groupLinkState,
-                    addMemberPermission,
-                    editDetailsPermission,
-                    avatarFile,
-                    expirationTimer);
+            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);
+            }
         }
 
         final var gv1 = (GroupInfoV1) group;
@@ -1060,7 +1090,7 @@ public class Manager implements Closeable {
             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
         }
 
-        if (result == null || name != null || description != null || avatarFile != null) {
+        if (name != null || description != null || avatarFile != null) {
             var groupGroupChangePair = groupV2Helper.updateGroup(group, name, description, avatarFile);
             if (avatarFile != null) {
                 avatarStore.storeGroupAvatar(group.getGroupId(),
@@ -1982,6 +2012,7 @@ public class Manager implements Closeable {
             SignalServiceContent content = null;
             Exception exception = null;
             final CachedMessage[] cachedMessage = {null};
+            account.setLastReceiveTimestamp(System.currentTimeMillis());
             try {
                 var result = messagePipe.readOrEmpty(timeout, unit, envelope1 -> {
                     final var recipientId = envelope1.hasSource()
@@ -2209,7 +2240,16 @@ 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()) {
@@ -2280,7 +2320,17 @@ 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());
                                 }
@@ -2691,8 +2741,12 @@ 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);