prosody
b1c2e70de470
plugins/mod_s2s_bidi.lua

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plugins/mod_s2s_bidi.lua @ 13215:b1c2e70de470

core.moduleapi: Fix min/maxinteger fallback for Lua 5.2 Maybe these should live in util.mathcompat?
author Kim Alvefur <zash@zash.se>
date Mon, 17 Jul 2023 02:32:47 +0200
parent 12977:74b9e05af71e
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1006739de449 mod_s2s_bidi: Enables bi-directional streams via XEP-0288
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1 -- Prosody IM
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2 -- Copyright (C) 2019 Kim Alvefur
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3 --
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4 -- This project is MIT/X11 licensed. Please see the
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5 -- COPYING file in the source package for more information.
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6 --
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7
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8 local st = require "prosody.util.stanza";
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10 local xmlns_bidi_feature = "urn:xmpp:features:bidi"
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11 local xmlns_bidi = "urn:xmpp:bidi";
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13 local require_encryption = module:get_option_boolean("s2s_require_encryption", true);
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14
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15 module:hook("s2s-stream-features", function(event)
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16 local origin, features = event.origin, event.features;
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17 if origin.type == "s2sin_unauthed" and (not require_encryption or origin.secure) then
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18 features:tag("bidi", { xmlns = xmlns_bidi_feature }):up();
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19 end
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20 end);
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22 module:hook_tag("http://etherx.jabber.org/streams", "features", function (session, stanza)
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23 if session.type == "s2sout_unauthed" and (not require_encryption or session.secure) then
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24 local bidi = stanza:get_child("bidi", xmlns_bidi_feature);
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25 if bidi then
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26 session.incoming = true;
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27 session.log("debug", "Requesting bidirectional stream");
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28 local request_bidi = st.stanza("bidi", { xmlns = xmlns_bidi });
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29 module:fire_event("s2sout-stream-features", { origin = session, features = request_bidi });
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30 session.sends2s(request_bidi);
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31 end
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32 end
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33 end, 200);
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34
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35 module:hook_tag("urn:xmpp:bidi", "bidi", function(session)
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36 if session.type == "s2sin_unauthed" and (not require_encryption or session.secure) then
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37 session.log("debug", "Requested bidirectional stream");
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38 session.outgoing = true;
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39 return true;
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40 end
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41 end);
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42