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-- Prosody IM
-- Copyright (C) 2019 Kim Alvefur
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
local st = require "prosody.util.stanza";
local xmlns_bidi_feature = "urn:xmpp:features:bidi"
local xmlns_bidi = "urn:xmpp:bidi";
local require_encryption = module:get_option_boolean("s2s_require_encryption", true);
module:hook("s2s-stream-features", function(event)
local origin, features = event.origin, event.features;
if origin.type == "s2sin_unauthed" and (not require_encryption or origin.secure) then
features:tag("bidi", { xmlns = xmlns_bidi_feature }):up();
end
end);
module:hook_tag("http://etherx.jabber.org/streams", "features", function (session, stanza)
if session.type == "s2sout_unauthed" and (not require_encryption or session.secure) then
local bidi = stanza:get_child("bidi", xmlns_bidi_feature);
if bidi then
session.incoming = true;
session.log("debug", "Requesting bidirectional stream");
local request_bidi = st.stanza("bidi", { xmlns = xmlns_bidi });
module:fire_event("s2sout-stream-features", { origin = session, features = request_bidi });
session.sends2s(request_bidi);
end
end
end, 200);
module:hook_tag("urn:xmpp:bidi", "bidi", function(session)
if session.type == "s2sin_unauthed" and (not require_encryption or session.secure) then
session.log("debug", "Requested bidirectional stream");
session.outgoing = true;
return true;
end
end);
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