prosody-modules
e7b9bc629ecc
mod_poke_strangers/mod_poke_strangers.lua

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mod_poke_strangers/mod_poke_strangers.lua @ 4941:e7b9bc629ecc

mod_rest: Add special handling to catch MAM results from remote hosts Makes MAM queries to remote hosts works. As the comment says, MAM results from users' local archives or local MUCs are returned via origin.send() which is provided in the event and thus already worked. Results from remote hosts go via normal stanza routing and events, which need this extra handling to catch. This pattern of iq-set, message+, iq-result is generally limited to MAM. Closest similar thing might be MUC join, but to really handle that you would need the webhook callback mechanism.
author Kim Alvefur <zash@zash.se>
date Mon, 16 May 2022 19:47:09 +0200
parent 2045:0aa8aa6cdb1b
child 5852:1e28f32257d6
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2044
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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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9
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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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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!