prosody-modules
fd765cdf20ff
mod_muc_gateway_optimize/mod_muc_gateway_optimize.lua

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mod_muc_gateway_optimize/mod_muc_gateway_optimize.lua @ 6278:fd765cdf20ff

mod_invites_page: rename variables to keep consistant style
author Trần H. Trung <xmpp:trần.h.trung@trung.fun>
date Sun, 01 Jun 2025 16:35:52 +0700
parent 6055:23c4c61a1068
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
6055
23c4c61a1068 mod_muc_gateway_optimize: New module to optimize muc presence to remote gateways
Stephen Paul Weber <singpolyma@singpolyma.net>
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1 local jid = require("util.jid")
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2 local mod_muc = module:depends("muc")
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3
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4 local gateway_hosts = module:get_option_array("gateway_hosts", {})
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5
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6 function optimize(remote_host, event)
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7 local stanza = event.stanza
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8 module:log("debug", "optimize presence event destined for " .. remote_host)
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9
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10 local muc_x = stanza:get_child("x", "http://jabber.org/protocol/muc#user")
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11 if muc_x then
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12 for status in muc_x:childtags("status") do
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13 if status.attr.status == "110" then
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14 module:log("debug", "optimize delivering 110")
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15 -- Always deliver self-presence
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16 return
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17 end
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18 end
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19 end
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20
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21 local bare_jid = jid.bare(stanza.attr.to)
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22 local room = mod_muc.get_room_from_jid(jid.bare(stanza.attr.from))
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23 if not room then return end
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24 for nick, occupant in room:each_occupant() do
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25 local occupant_host = jid.host(occupant.bare_jid)
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26 if occupant_host == remote_host then
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27 -- This is the "first" occupant from the host
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28 -- which is the only one we will route non-110
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29 -- presence to
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30 if occupant.bare_jid == bare_jid then
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31 module:log("debug", "optimize found first occupant, so route")
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32 return
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33 else
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34 module:log("debug", "optimize found non-first occupant, so drop")
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35 return true
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36 end
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37 end
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38 end
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39 -- If we get here we found no occupants for this host
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40 module:log("debug", "optimize found no occupants for host " .. remote_host)
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41 end
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42
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43 -- Note this will only affect gateways over s2s for now
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44 module:hook("route/remote", function (event)
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45 if event.stanza.name ~= "presence" then
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46 return
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47 end
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48
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49 local remote_host = jid.host(event.stanza.attr.to)
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50 for _, gateway_host in pairs(gateway_hosts) do
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51 if remote_host == gateway_host then
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52 return optimize(remote_host, event)
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53 end
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54 end
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55 end, 1000)