prosody-modules
1da4b815d2fe
mod_poke_strangers/mod_poke_strangers.lua

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mod_poke_strangers/mod_poke_strangers.lua @ 4730:1da4b815d2fe

mod_cloud_notify: Identify (and immediately push) urgent stanzas, e.g. calls This covers the following things: - A session that appears online, but has a broken TCP connection - Clients such as Siskin and Snikket iOS that require a push for calls to work It allows the stanza to be pushed immediately instead of waiting for the session to hibernate or an ack to timeout. It shouldn't break any existing cases.
author Matthew Wild <mwild1@gmail.com>
date Wed, 27 Oct 2021 19:12:03 +0100
parent 2045:0aa8aa6cdb1b
child 5852:1e28f32257d6
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1 local st = require"util.stanza";
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2 local jid_split = require "util.jid".split;
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3 local jid_bare = require "util.jid".bare;
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4 local is_contact_subscribed = require "core.rostermanager".is_contact_subscribed;
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5 local uuid_generate = require "util.uuid".generate;
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6 local set = require "util.set";
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7
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8 local recently_queried = set.new();
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10 local version_id = uuid_generate();
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11 local disco_id = uuid_generate();
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12
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13 module:hook("iq-result/host/" .. version_id, function (event)
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14 module:log("info", "Stranger " .. event.stanza.attr.from .. " version: " .. tostring(event.stanza));
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15 return true;
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16 end);
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18 module:hook("iq-result/host/" .. disco_id, function (event)
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19 module:log("info", "Stranger " .. event.stanza.attr.from .. " disco: " .. tostring(event.stanza));
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20 return true;
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21 end);
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23 function check_subscribed(event)
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24 local stanza = event.stanza;
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25 local local_user_jid = stanza.attr.to;
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26 local to_user, to_host, to_resource = jid_split(local_user_jid);
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27 local stranger_jid = stanza.attr.from;
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28
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29 if recently_queried:contains(stranger_jid) then
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30 module:log("debug", "Not re-poking " .. stranger_jid);
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31 return nil;
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32 end
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33
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34 local from_jid = jid_bare(stranger_jid);
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35
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36 if to_user and not is_contact_subscribed(to_user, to_host, from_jid) then
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37 if to_resource and stanza.attr.type == "groupchat" then
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38 return nil;
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39 end
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40
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41 recently_queried:add(stranger_jid);
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43 module:send(st.iq({ type = "get", to = stranger_jid, from = to_host, id = version_id }):query("jabber:iq:version"));
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45 module:send(st.iq({ type = "get", to = stranger_jid, from = to_host, id = disco_id }):query("http://jabber.org/protocol/disco#info"));
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46 end
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47
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48 return nil;
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49 end
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50
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51 module:hook("message/bare", check_subscribed, 225);
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52 module:hook("message/full", check_subscribed, 225);
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53 -- Not hooking iqs, as that could turn into infinite loops!