Remove receiver chains that are 5 old.

12 years ago · 842df1ac39
parent ff0dff745c
commit 842df1ac39
1 changed files with 6 additions and 1 deletions
--- a/library/src/org/whispersystems/textsecure/storage/SessionRecordV2.java
+++ b/library/src/org/whispersystems/textsecure/storage/SessionRecordV2.java
@ -230,8 +230,13 @@ public class SessionRecordV2 extends Record {
                       .setSenderEphemeral(ByteString.copyFrom(senderEphemeral.serialize()))
                       .build();

-    // XXX knock old chain out.
    this.sessionStructure = this.sessionStructure.toBuilder().addReceiverChains(chain).build();
+
+    if (this.sessionStructure.getReceiverChainsList().size() > 5) {
+      this.sessionStructure = this.sessionStructure.toBuilder()
+                                                   .removeReceiverChains(0)
+                                                   .build();
+    }
  }

  public void setSenderChain(ECKeyPair senderEphemeralPair, ChainKey chainKey) {