# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1714226123 -7200
# Node ID 84fa880bf476325325c62c696021bf13c911f462
# Parent  19a9ec94f575ce3ee6b72e742bfc4be6fc37b81a
mod_blocklist: Drop blocked messages without error, option to restore compliant behavior

From XEP-0191:
> For message stanzas, the server SHOULD return an error, which SHOULD
> be <service-unavailable/>.

Following this may leak to a blocked JID that they have been blocked,
which seems contrary to the goal of pretending to be perpetually
offline.

diff -r 19a9ec94f575 -r 84fa880bf476 plugins/mod_blocklist.lua
--- a/plugins/mod_blocklist.lua	Thu Apr 04 19:39:33 2024 +0200
+++ b/plugins/mod_blocklist.lua	Sat Apr 27 15:55:23 2024 +0200
@@ -322,8 +322,13 @@
 module:hook("presence/bare", drop_stanza, prio_in);
 module:hook("presence/full", drop_stanza, prio_in);
 
-module:hook("message/bare", bounce_message, prio_in);
-module:hook("message/full", bounce_message, prio_in);
+if module:get_option_boolean("bounce_blocked_messages", false) then
+	module:hook("message/bare", bounce_message, prio_in);
+	module:hook("message/full", bounce_message, prio_in);
+else
+	module:hook("message/bare", drop_stanza, prio_in);
+	module:hook("message/full", drop_stanza, prio_in);
+end
 
 module:hook("iq/bare", bounce_iq, prio_in);
 module:hook("iq/full", bounce_iq, prio_in);