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49 lines
1.9 KiB
49 lines
1.9 KiB
-- Prosody IM
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-- Copyright (C) 2019 Kim Alvefur
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--
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-- This project is MIT/X11 licensed. Please see the
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-- COPYING file in the source package for more information.
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--
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local st = require "prosody.util.stanza";
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local xmlns_bidi_feature = "urn:xmpp:features:bidi"
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local xmlns_bidi = "urn:xmpp:bidi";
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local require_encryption = module:get_option_boolean("s2s_require_encryption", true);
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local offers_sent = module:metric("counter", "offers_sent", "", "Bidirectional connection offers sent", {});
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local offers_recv = module:metric("counter", "offers_recv", "", "Bidirectional connection offers received", {});
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local offers_taken = module:metric("counter", "offers_taken", "", "Bidirectional connection offers taken", {});
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module:hook("s2s-stream-features", function(event)
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local origin, features = event.origin, event.features;
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if origin.type == "s2sin_unauthed" and (not require_encryption or origin.secure) then
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features:tag("bidi", { xmlns = xmlns_bidi_feature }):up();
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offers_sent:with_labels():add(1);
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end
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end);
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module:hook_tag("http://etherx.jabber.org/streams", "features", function (session, stanza)
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if session.type == "s2sout_unauthed" and (not require_encryption or session.secure) then
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local bidi = stanza:get_child("bidi", xmlns_bidi_feature);
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if bidi then
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session.incoming = true;
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session.log("debug", "Requesting bidirectional stream");
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local request_bidi = st.stanza("bidi", { xmlns = xmlns_bidi });
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module:fire_event("s2sout-stream-features", { origin = session, features = request_bidi });
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session.sends2s(request_bidi);
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offers_taken:with_labels():add(1);
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end
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end
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end, 200);
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module:hook_tag("urn:xmpp:bidi", "bidi", function(session)
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if session.type == "s2sin_unauthed" and (not require_encryption or session.secure) then
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session.log("debug", "Requested bidirectional stream");
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session.outgoing = true;
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offers_recv:with_labels():add(1);
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return true;
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end
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end);
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