Merge b4ac3df2d0 into 4524a17e67

RNS/Identity.py

@@ -249,7 +249,7 @@ class Identity:
 
     @staticmethod
     def _remember_ratchet(destination_hash, ratchet):
-        # TODO: Remove at some point
+        # TODO: Remove at some point, and only log new ratchets
         RNS.log(f"Remembering ratchet {RNS.prettyhexrep(Identity.truncated_hash(ratchet))} for {RNS.prettyhexrep(destination_hash)}", RNS.LOG_EXTREME)
         try:
             Identity.known_ratchets[destination_hash] = ratchet
@@ -286,6 +286,7 @@ class Identity:
         try:
             now = time.time()
             ratchetdir = RNS.Reticulum.storagepath+"/ratchets"
+            if os.path.isdir(ratchetdir):
                 for filename in os.listdir(ratchetdir):
                     try:
                         expired = False

RNS/Transport.py

@@ -1677,7 +1677,6 @@ class Transport:
 
                             # Call externally registered callbacks from apps
                             # wanting to know when an announce arrives
-                            if packet.context != RNS.Packet.PATH_RESPONSE:
                             for handler in Transport.announce_handlers:
                                 try:
                                     # Check that the announced destination matches
@@ -1692,6 +1691,15 @@ class Transport:
                                         handler_expected_hash = RNS.Destination.hash_from_name_and_identity(handler.aspect_filter, announce_identity)
                                         if packet.destination_hash == handler_expected_hash:
                                             execute_callback = True
+
+                                    # If this is a path response, check whether the
+                                    # handler wants to receive it.
+                                    if packet.context == RNS.Packet.PATH_RESPONSE:
+                                        if hasattr(handler, "receive_path_responses") and handler.receive_path_responses == True:
+                                            pass
+                                        else:
+                                            execute_callback = False
+
                                     if execute_callback:
                                         handler.received_announce(
                                             destination_hash=packet.destination_hash,
@@ -1979,7 +1987,9 @@ class Transport:
         """
         Registers an announce handler.
 
-        :param handler: Must be an object with an *aspect_filter* attribute and a *received_announce(destination_hash, announced_identity, app_data)* callable. See the :ref:`Announce Example<example-announce>` for more info.
+        :param handler: Must be an object with an *aspect_filter* attribute and a *received_announce(destination_hash, announced_identity, app_data)*
+                        callable. Can optionally have a *receive_path_responses* attribute set to ``True``, to also receive all path responses, in addition to live
+                        announces. See the :ref:`Announce Example<example-announce>` for more info.
         """
         if hasattr(handler, "received_announce") and callable(handler.received_announce):
             if hasattr(handler, "aspect_filter"):

docs/manual/reference.html

@@ -1898,7 +1898,9 @@ Transport system of Reticulum.</p>
 <dd><p>Registers an announce handler.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
-<dd class="field-odd"><p><strong>handler</strong> – Must be an object with an <em>aspect_filter</em> attribute and a <em>received_announce(destination_hash, announced_identity, app_data)</em> callable. See the <a class="reference internal" href="examples.html#example-announce"><span class="std std-ref">Announce Example</span></a> for more info.</p>
+<dd class="field-odd"><p><strong>handler</strong> – Must be an object with an <em>aspect_filter</em> attribute and a <em>received_announce(destination_hash, announced_identity, app_data)</em>
+callable. Can optionally have a <em>receive_path_responses</em> attribute set to <code class="docutils literal notranslate"><span class="pre">True</span></code>, to also receive all path responses, in addition to live
+announces. See the <a class="reference internal" href="examples.html#example-announce"><span class="std std-ref">Announce Example</span></a> for more info.</p>
 </dd>
 </dl>
 </dd></dl>