annotate plugins/mod_s2s_bidi.lua @ 12480:7e9ebdc75ce4

net: isolate LuaSec-specifics For this, various accessor functions are now provided directly on the sockets, which reach down into the LuaSec implementation to obtain the information. While this may seem of little gain at first, it hides the implementation detail of the LuaSec+LuaSocket combination that the actual socket and the TLS layer are separate objects. The net gain here is that an alternative implementation does not have to emulate that specific implementation detail and "only" has to expose LuaSec-compatible data structures on the new functions.
author Jonas Schäfer <jonas@wielicki.name>
date Wed, 27 Apr 2022 17:44:14 +0200
parents 38b5b05407be
children 71bd009a9789
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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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8 local st = require "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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12
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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 session.sends2s(st.stanza("bidi", { xmlns = xmlns_bidi }));
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29 end
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30 end
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31 end, 200);
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33 module:hook_tag("urn:xmpp:bidi", "bidi", function(session)
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34 if session.type == "s2sin_unauthed" and (not require_encryption or session.secure) then
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35 session.log("debug", "Requested bidirectional stream");
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36 session.outgoing = true;
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37 return true;
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38 end
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39 end);
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40