annotate mod_muc_batched_probe/mod_muc_batched_probe.lua @ 4813:0a257d1402c3

mod_muc_rtbl: Optimize case with zero hashes On the assumption that during quiet times between torrents of spam, the hash set would be empty. There would be no point in doing the operations and hashes to check for a match in that case.
author Kim Alvefur <zash@zash.se>
date Mon, 06 Dec 2021 18:19:19 +0100
parents e06258fc6cf1
children
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1 -- This module allows you to probe the MUC presences for multiple occupants.
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2 -- Copyright (C) 2020 JC Brand
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3
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4 local st = require "util.stanza";
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5 local mod_muc = module:depends"muc";
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6 local get_room_from_jid = rawget(mod_muc, "get_room_from_jid") or
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7 function (jid)
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8 local rooms = rawget(mod_muc, "rooms");
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9 return rooms[jid];
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10 end
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12 module:log("debug", "Module loaded");
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14 local function respondToBatchedProbe(event)
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15 local stanza = event.stanza;
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16 if stanza.attr.type ~= "get" then
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17 return;
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18 end
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19 local query = stanza:get_child("query", "http://jabber.org/protocol/muc#user");
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20 if not query then
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21 return;
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22 end;
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23
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24 local origin = event.origin;
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25 local room = get_room_from_jid(stanza.attr.to);
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26 local probing_occupant = room:get_occupant_by_real_jid(stanza.attr.from);
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27 if probing_occupant == nil then
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28 origin.send(st.error_reply(stanza, "cancel", "not-acceptable", "You are not currently connected to this chat", room.jid));
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29 return true;
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30 end
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31
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32 for item in query:children() do
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33 local probed_jid = item.attr.jid;
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34 local probed_occupant = room:get_occupant_by_nick(probed_jid);
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35 if probed_occupant == nil then
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36 local pr = room:build_unavailable_presence(probed_jid, stanza.attr.from);
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37 if pr then
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38 room:route_stanza(pr);
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39 end
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40 else
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41 local x = st.stanza("x", {xmlns = "http://jabber.org/protocol/muc#user"});
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42 room:publicise_occupant_status(probed_occupant, x, nil, nil, nil, nil, false, probing_occupant);
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43 end
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44 end
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45 origin.send(st.reply(stanza));
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46 return true;
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47 end
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50 module:hook("iq/bare", respondToBatchedProbe, 1);