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annotate mod_muc_thread_polyfill/mod_muc_thread_polyfill.lua @ 6398:9c9889ad4302

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mod_unsubscriber: Add MUC support This catches XEP-0045 Join stanzas and replies with an error telling the prospective participant that the supposed MUC is gone. The user or their client can then take action to remove any bookmark or at least disable autojoin.
author Kim Alvefur <zash@zash.se>
date Sat, 07 Feb 2026 12:25:52 +0100
parents 1a08652c3fea
children
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1a08652c3fea mod_muc_thread_polyfill: new module to infer threads when possible for clients that do not send them
Stephen Paul Weber <singpolyma@singpolyma.net>
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1 local st = require "util.stanza";
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2 local jid = require "util.jid";
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3
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4 local archive = module:open_store("muc_log", "archive");
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5
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6 module:hook("muc-occupant-groupchat", function (event)
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7 local stanza = event.stanza;
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8 local room = event.room;
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9
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10 if stanza:get_child("thread") then
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11 return;
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12 end
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13
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14 local reply = stanza:get_child("reply", "urn:xmpp:reply:0");
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15 if not reply then
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16 return;
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17 end
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18
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19 local reply_id = reply.attr.id;
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20 if not reply_id then
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21 return;
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22 end
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23
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24 local archived = archive:get(jid.node(room.jid), reply_id);
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25 if not archived then
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26 return;
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27 end
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28
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29 local parent_thread = archived:get_child("thread");
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30 if parent_thread then
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31 stanza:add_child(st.clone(parent_thread));
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32 end
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33 end);