prosody
29685403be32
util/presence.lua

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util/presence.lua @ 12594:29685403be32

mod_saslauth: Implement RFC 9266 'tls-exporter' channel binding (#1760) Brings back SCRAM-SHA-*-PLUS from its hiatus brought on by the earlier channel binding method being undefined for TLS 1.3, and the increasing deployment of TLS 1.3. See 1bfd238e05ad and #1542 Requires future version of LuaSec, once support for this key material export method is merged. See https://github.com/brunoos/luasec/pull/187
author Kim Alvefur <zash@zash.se>
date Wed, 01 Jun 2022 15:06:59 +0200
parent 8885:d4f5d47f874d
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rev   line source
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051279755cad mod_presence: Move function for selecting "top resources" into a new util.presence
Kim Alvefur <zash@zash.se>
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1 -- Prosody IM
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Kim Alvefur <zash@zash.se>
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9 local t_insert = table.insert;
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10
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11 local function select_top_resources(user)
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12 local priority = 0;
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13 local recipients = {};
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14 for _, session in pairs(user.sessions) do -- find resource with greatest priority
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15 if session.presence then
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16 local p = session.priority;
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17 if p > priority then
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18 priority = p;
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19 recipients = {session};
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20 elseif p == priority then
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21 t_insert(recipients, session);
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22 end
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23 end
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24 end
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25 return recipients;
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26 end
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27 local function recalc_resource_map(user)
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28 if user then
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29 user.top_resources = select_top_resources(user);
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30 if #user.top_resources == 0 then user.top_resources = nil; end
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31 end
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32 end
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33
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34 return {
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35 select_top_resources = select_top_resources;
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36 recalc_resource_map = recalc_resource_map;
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37 }