prosody-modules
78f1de5301fc
mod_poke_strangers/mod_poke_strangers.lua

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mod_poke_strangers/mod_poke_strangers.lua @ 4049:78f1de5301fc

mod_adhoc_dataforms_demo: Fix duplicate field prevention It's supposed to only include each type of form field once per form at most but it didn't note which fields it had added already. No idea what the probability was anyways, probably pretty low.
author Kim Alvefur <zash@zash.se>
date Tue, 23 Jun 2020 19:40:55 +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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17
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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!