From: AsamK <asamk@gmx.de>
Date: Fri, 7 Oct 2022 17:49:43 +0000 (+0200)
Subject: Implement refuse group join requests
X-Git-Tag: v0.11.4~28
X-Git-Url: https://git.nmode.ca/signal-cli/commitdiff_plain/c9c8af42c25bc925e510c61742c7827008434676

Implement refuse group join requests
---

diff --git a/lib/src/main/java/org/asamk/signal/manager/helper/GroupHelper.java b/lib/src/main/java/org/asamk/signal/manager/helper/GroupHelper.java
index 3f8740d9..be57d19b 100644
--- a/lib/src/main/java/org/asamk/signal/manager/helper/GroupHelper.java
+++ b/lib/src/main/java/org/asamk/signal/manager/helper/GroupHelper.java
@@ -618,6 +618,12 @@ public class GroupHelper {
                 var groupGroupChangePair = groupV2Helper.revokeInvitedMembers(group, pendingRemoveMembers);
                 result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
             }
+            var requestingRemoveMembers = new HashSet<>(removeMembers);
+            requestingRemoveMembers.retainAll(group.getRequestingMembers());
+            if (requestingRemoveMembers.size() > 0) {
+                var groupGroupChangePair = groupV2Helper.refuseJoinRequestMembers(group, requestingRemoveMembers);
+                result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
+            }
         }
 
         if (admins != null) {
diff --git a/lib/src/main/java/org/asamk/signal/manager/helper/GroupV2Helper.java b/lib/src/main/java/org/asamk/signal/manager/helper/GroupV2Helper.java
index b59eddcc..dd75a8f2 100644
--- a/lib/src/main/java/org/asamk/signal/manager/helper/GroupV2Helper.java
+++ b/lib/src/main/java/org/asamk/signal/manager/helper/GroupV2Helper.java
@@ -287,6 +287,17 @@ class GroupV2Helper {
         return ejectMembers(groupInfoV2, memberUuids);
     }
 
+    Pair<DecryptedGroup, GroupChange> refuseJoinRequestMembers(
+            GroupInfoV2 groupInfoV2, Set<RecipientId> members
+    ) throws IOException {
+        final var memberUuids = members.stream()
+                .map(context.getRecipientHelper()::resolveSignalServiceAddress)
+                .map(SignalServiceAddress::getServiceId)
+                .map(ServiceId::uuid)
+                .collect(Collectors.toSet());
+        return refuseJoinRequest(groupInfoV2, memberUuids);
+    }
+
     Pair<DecryptedGroup, GroupChange> revokeInvitedMembers(
             GroupInfoV2 groupInfoV2, Set<RecipientId> members
     ) throws IOException {
@@ -513,6 +524,13 @@ class GroupV2Helper {
         return commitChange(groupInfoV2, groupOperations.createRemoveInvitationChange(uuidCipherTexts));
     }
 
+    private Pair<DecryptedGroup, GroupChange> refuseJoinRequest(
+            GroupInfoV2 groupInfoV2, Set<UUID> uuids
+    ) throws IOException {
+        final GroupsV2Operations.GroupOperations groupOperations = getGroupOperations(groupInfoV2);
+        return commitChange(groupInfoV2, groupOperations.createRefuseGroupJoinRequest(uuids, false, List.of()));
+    }
+
     private Pair<DecryptedGroup, GroupChange> ejectMembers(
             GroupInfoV2 groupInfoV2, Set<UUID> uuids
     ) throws IOException {