Send delivery receipt for data messages that need it

[signal-cli] / src / main / java / org / asamk / signal / JsonMessageEnvelope.java

diff --git a/src/main/java/org/asamk/signal/JsonMessageEnvelope.java b/src/main/java/org/asamk/signal/JsonMessageEnvelope.java
index b0d49ca52d3b7b4734a22e2c77fc6d898fb00e12..9a2759700fe4579f30d6aced6e29823eef1b1d72 100644 (file)
--- a/src/main/java/org/asamk/signal/JsonMessageEnvelope.java
+++ b/src/main/java/org/asamk/signal/JsonMessageEnvelope.java
@@ -17,15 +17,17 @@ class JsonMessageEnvelope {
     JsonReceiptMessage receiptMessage;
 
     public JsonMessageEnvelope(SignalServiceEnvelope envelope, SignalServiceContent content) {
-        SignalServiceAddress source = envelope.getSourceAddress();
-        this.source = source.getNumber();
+        if (!envelope.isUnidentifiedSender() && envelope.hasSource()) {
+            SignalServiceAddress source = envelope.getSourceAddress();
+            this.source = source.getNumber().get();
+            this.relay = source.getRelay().isPresent() ? source.getRelay().get() : null;
+        }
         this.sourceDevice = envelope.getSourceDevice();
-        this.relay = source.getRelay().isPresent() ? source.getRelay().get() : null;
         this.timestamp = envelope.getTimestamp();
         this.isReceipt = envelope.isReceipt();
         if (content != null) {
             if (envelope.isUnidentifiedSender()) {
-                this.source = content.getSender();
+                this.source = content.getSender().getNumber().get();
                 this.sourceDevice = content.getSenderDevice();
             }
             if (content.getDataMessage().isPresent()) {