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plugins/mod_s2s_bidi.lua @ 12115:94de6b7596cc
mod_tombstones: Remember deleted accounts #1307
Presence subscriptions are normally revoked on account deletion, which
informs the contact. Sometimes this notification gets lost e.g. due to
s2s problems. The accounts JID may also be present e.g. in MUC
affiliations, chat group member lists, pubsub subscriptions or other
systems. These may grant privileges which would fall to someone who
creates the same account again, which this module is meant to prevent.
author | Kim Alvefur <zash@zash.se> |
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date | Thu, 23 Dec 2021 14:08:20 +0100 |
parent | 10458:602dd1e2f399 |
child | 12330:38b5b05407be |
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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 "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", false); 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"); session.sends2s(st.stanza("bidi", { xmlns = xmlns_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);