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annotate mod_unsubscriber/mod_unsubscriber.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 e00dc913d965
children
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e00dc913d965 mod_unsubscriber: Revoke roster subscriptions of unreachable hosts
Kim Alvefur <zash@zash.se>
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1 assert(module:get_host_type() == "component", "This module should be loaded as a Component");
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2
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3 local st = require "util.stanza";
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4
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5 module:hook("presence/bare", function(event)
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6 local origin, stanza = event.origin, event.stanza;
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7 if stanza.attr.type == "probe" then
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8 -- they are subscribed and want our current presence
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9 -- tell them we denied their subscription
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10 local reply = st.reply(stanza)
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11 reply.attr.type = "unsubcribed";
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12 origin.send(reply);
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13 return true;
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14 elseif stanza.attr.type == nil then
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15 if stanza:get_child("x", "http://jabber.org/protocol/muc") then
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16 -- attempting to join a MUC
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17 -- tell them it's gone
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18 local reply = st.error_reply(stanza, "cancel", "gone");
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19 origin.send(reply);
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20 return true;
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21 end
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22 -- they think we are subscribed and sent their current presence
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23 -- tell them we unsubscribe
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24 local reply = st.reply(stanza)
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25 reply.attr.type = "unsubcribe";
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26 origin.send(reply);
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27 return true;
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28 end
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29 -- fall trough to default error
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30 end);