plugins/mod_s2s_bidi.lua

   1 -- Prosody IM
   2 -- Copyright (C) 2019 Kim Alvefur
   3 --
   4 -- This project is MIT/X11 licensed. Please see the
   5 -- COPYING file in the source package for more information.
   6 --
   7
   8 local st = require "util.stanza";
   9
  10 local xmlns_bidi_feature = "urn:xmpp:features:bidi"
  11 local xmlns_bidi = "urn:xmpp:bidi";
  12
  13 module:hook("s2s-stream-features", function(event)
  14         local origin, features = event.origin, event.features;
  15         if origin.type == "s2sin_unauthed" then
  16                 features:tag("bidi", { xmlns = xmlns_bidi_feature }):up();
  17         end
  18 end);
  19
  20 module:hook_tag("http://etherx.jabber.org/streams", "features", function (session, stanza)
  21         if session.type == "s2sout_unauthed" then
  22                 local bidi = stanza:get_child("bidi", xmlns_bidi_feature);
  23                 if bidi then
  24                         session.incoming = true;
  25                         session.log("debug", "Requesting bidirectional stream");
  26                         session.sends2s(st.stanza("bidi", { xmlns = xmlns_bidi }));
  27                 end
  28         end
  29 end, 200);
  30
  31 module:hook_tag("urn:xmpp:bidi", "bidi", function(session)
  32         if session.type == "s2sin_unauthed" then
  33                 session.log("debug", "Requested bidirectional stream");
  34                 session.outgoing = true;
  35                 return true;
  36         end
  37 end);
  38