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annotate mod_csi_grace_period/mod_csi_grace_period.lua @ 4300:3f3b672b7616

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mod_vcard_muc: Pass room object around instead of JID, hopefully fixing traceback More efficient to pass the object around instead of using the JID and looking up the object when needed. It seems in some (undetermined) cases get_room_from_jid(room.jid) is nil.
author Matthew Wild <mwild1@gmail.com>
date Tue, 15 Dec 2020 10:49:11 +0000
parents e1e337dc05b6
children
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1 -- Copyright (c) 2019 Kim Alvefur
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2 --
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3 -- This project is MIT/X11 licensed. Please see the
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4 -- COPYING file in the source package for more information.
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5 --
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6 -- Yes, this module touches stores data in user sessions
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7 -- luacheck: ignore 122
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8
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9 local grace_period = module:get_option_number("grace_period", 30);
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10
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11 local user_sessions = prosody.hosts[module.host].sessions;
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12
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13 module:hook("csi-is-stanza-important", function (event)
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14 if event.stanza.name ~= "message" then return end
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15 local session = event.session;
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16 if not session then return; end
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17
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18 local user_session = user_sessions[session.username];
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19 if not user_session then return; end
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20
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21 if user_session.grace_time_start then
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22 if user_session.last_active == session.resource then
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23 return;
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24 end
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25 if (os.time() - user_session.grace_time_start) < grace_period then
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26 session.log("debug", "Within grace period, probably seen");
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27 event.reason = "grace period";
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28 return false;
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29 end
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30 end
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31 end, 1);
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32
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33 local function on_activity(event)
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34 local stanza, origin = event.stanza, event.origin;
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35 local user_session = user_sessions[origin.username];
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36 if not user_session then return; end
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37
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38 if stanza:get_child("body") or stanza:get_child("active", "http://jabber.org/protocol/chatstates") then
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39 user_session.last_active = origin.resource;
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40 user_session.grace_time_start = os.time();
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41 end
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42 end
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43 module:hook("pre-message/full", on_activity);
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44 module:hook("pre-message/bare", on_activity);
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45 module:hook("pre-message/host", on_activity);