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annotate mod_muc_gateway_optimize/mod_muc_gateway_optimize.lua @ 6171:fe8222112cf4

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mod_conversejs: Serve base app at / This makes things slightly less awkward for the browser to figure out which URLs belong to a PWA. The app's "start URL" was previously without the '/' and therefore was not considered within the scope of the PWA. Now the canonical app URL will always have a '/'. Prosody/mod_http should take care of redirecting existing links without the trailing / to the new URL. If you have an installation at https://prosody/conversejs then it is now at https://prosody/conversejs/ (the first URL will now redirect to the second URL if you use it). The alternative would be to make the PWA scope include the parent, i.e. the whole of https://prosody/ in this case. This might get messy if other PWAs are provided by the same site or Prosody installation, however.
author Matthew Wild <mwild1@gmail.com>
date Tue, 11 Feb 2025 13:18:38 +0000
parents 23c4c61a1068
children
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23c4c61a1068 mod_muc_gateway_optimize: New module to optimize muc presence to remote gateways
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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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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)