Mercurial > prosody-modules
annotate mod_csi_grace_period/mod_csi_grace_period.lua @ 5036:9ef5625d0d39
mod_sasl2_bind2: Indicate to the client when carbons has been enabled
author | Matthew Wild <mwild1@gmail.com> |
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date | Sat, 03 Sep 2022 18:20:07 +0100 |
parents | e1e337dc05b6 |
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rev | line source |
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mod_csi_grace_period: Server-side grace period logic for CSI
Kim Alvefur <zash@zash.se>
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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); |