prosody-modules
e227af629736
mod_muc_offline_delivery/mod_muc_offline_delivery.lua

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mod_muc_offline_delivery/mod_muc_offline_delivery.lua @ 4771:e227af629736

mod_smacks: Send <r> immediately from csi-flushing event Using a timer serves no purpose in this case, only serves to increase the number of write syscalls and TCP segments sent.
author Kim Alvefur <zash@zash.se>
date Tue, 16 Nov 2021 13:39:49 +0100
parent 4770:6ca2769da62a
child 4773:eb63890ae8fc
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1 local st = require "util.stanza";
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2
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3 module:add_item("muc-registration-field", {
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4 name = "offline_delivery";
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5 var = "{http://tigase.org/protocol/muc}offline";
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6 type = "boolean";
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7 label = "Receive messages while not connected to the room";
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8 value = false;
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9 });
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10
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11 module:hook("muc-registration-submitted", function (event)
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12 local deliver_offline = event.submitted_data.offline_delivery or nil;
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13 event.affiliation_data.offline_delivery = deliver_offline;
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14 end);
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15
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16 module:hook("muc-add-history", function (event)
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17 module:log("debug", "Broadcasting message to offline occupants...");
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18 local sent = 0;
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19 local room = event.room;
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20 for jid, affiliation, data in room:each_affiliation() do --luacheck: ignore 213/affiliation
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21 local reserved_nickname = data and data.reserved_nickname;
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22 if reserved_nickname and data.offline_delivery then
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23 local is_absent = not room:get_occupant_by_nick(room.jid.."/"..reserved_nickname);
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24 if is_absent then
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25 module:log("debug", "Forwarding message to offline member <%s>", jid);
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26 local msg = st.clone(event.stanza);
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27 msg.attr.to = jid;
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28 module:send(msg);
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29 sent = sent + 1;
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30 end
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31 end
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32 end
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33 if sent > 0 then
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34 module:log("debug", "Sent message to %d offline occupants", sent);
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35 end
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36 end);