From 9094e8839d8d9790fb4ec18d961891492606033e Mon Sep 17 00:00:00 2001
From: Christian Schneppe <christian@pix-art.de>
Date: Thu, 12 Apr 2018 21:45:17 +0200
Subject: figure out fallbacks with omemo source id

---
 .../pixart/messenger/crypto/axolotl/AxolotlService.java | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src/main/java/de/pixart/messenger/crypto/axolotl/AxolotlService.java')

diff --git a/src/main/java/de/pixart/messenger/crypto/axolotl/AxolotlService.java b/src/main/java/de/pixart/messenger/crypto/axolotl/AxolotlService.java
index d23e3a88b..ed432bb9b 100644
--- a/src/main/java/de/pixart/messenger/crypto/axolotl/AxolotlService.java
+++ b/src/main/java/de/pixart/messenger/crypto/axolotl/AxolotlService.java
@@ -206,6 +206,19 @@ public class AxolotlService implements OnAdvancedStreamFeaturesLoaded {
             this.fillMap(store);
         }
 
+        public Set<Jid> findCounterpartsForSourceId(Integer sid) {
+            Set<Jid> candidates = new HashSet<>();
+            synchronized (MAP_LOCK) {
+                for (Map.Entry<String, Map<Integer, XmppAxolotlSession>> entry : map.entrySet()) {
+                    String key = entry.getKey();
+                    if (entry.getValue().containsKey(sid)) {
+                        candidates.add(Jid.of(key));
+                    }
+                }
+            }
+            return candidates;
+        }
+
         private void putDevicesForJid(String bareJid, List<Integer> deviceIds, SQLiteAxolotlStore store) {
             for (Integer deviceId : deviceIds) {
                 SignalProtocolAddress axolotlAddress = new SignalProtocolAddress(bareJid, deviceId);
@@ -316,6 +329,10 @@ public class AxolotlService implements OnAdvancedStreamFeaturesLoaded {
         return keys;
     }
 
+    public Set<Jid> findCounterpartsBySourceId(int sid) {
+        return sessions.findCounterpartsForSourceId(sid);
+    }
+
     public long getNumTrustedKeys(Jid jid) {
         return axolotlStore.getContactNumTrustedKeys(jid.asBareJid().toString());
     }
-- 
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