cleaning up crypto targets when conference member is getting removed

1 files changed, 20 insertions, 0 deletions

diff --git a/src/main/java/de/pixart/messenger/services/XmppConnectionService.java b/src/main/java/de/pixart/messenger/services/XmppConnectionService.java
index 439e6b1c3..4578ef99a 100644
--- a/src/main/java/de/pixart/messenger/services/XmppConnectionService.java
+++ b/src/main/java/de/pixart/messenger/services/XmppConnectionService.java
@@ -67,6 +67,7 @@ import java.util.HashSet;
 import java.util.Hashtable;
 import java.util.Iterator;
 import java.util.List;
+import java.util.ListIterator;
 import java.util.Locale;
 import java.util.Map;
 import java.util.concurrent.CopyOnWriteArrayList;
@@ -2332,6 +2333,7 @@ public class XmppConnectionService extends Service {
         OnIqPacketReceived callback = new OnIqPacketReceived() {
 
             private int i = 0;
+            private boolean success = true;
 
             @Override
             public void onIqPacketReceived(Account account, IqPacket packet) {
@@ -2347,10 +2349,28 @@ public class XmppConnectionService extends Service {
                         }
                     }
                 } else {
+                    success = false;
                     Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().toBareJid());
                 }
                 ++i;
                 if (i >= affiliations.length) {
+                    List<Jid> members = conversation.getMucOptions().getMembers();
+                    if (success) {
+                        List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
+                        boolean changed = false;
+                        for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
+                            Jid jid = iterator.next();
+                            if (!members.contains(jid)) {
+                                iterator.remove();
+                                Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
+                                changed = true;
+                            }
+                        }
+                        if (changed) {
+                            conversation.setAcceptedCryptoTargets(cryptoTargets);
+                            updateConversation(conversation);
+                        }
+                    }
                     Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": retrieved members for " + conversation.getJid().toBareJid() + ": " + conversation.getMucOptions().getMembers());
                     getAvatarService().clear(conversation);
                     updateMucRosterUi();