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annotate mod_csi_grace_period/mod_csi_grace_period.lua @ 3568:6b3181fe5617

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mod_auth_token: Timezone fix for TOTP checking luatz.time() returns milliseconds since epoch which is in UTC time, so we don't need to convert to UTC with gmtime. By calling gmtime, TOTP validation was failing when this module wasn't running on machine set to UTC time.
author JC Brand <jc@opkode.com>
date Thu, 02 May 2019 11:07:27 +0200
parents 5c37d759b1e2
children 7570976318a9
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3507
5c37d759b1e2 mod_csi_grace_period: Server-side grace period logic for CSI
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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_sessions.grace_time_start then
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22 if user_sessions.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_sessions.grace_time_start) < grace_period then
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26 session.log("debug", "Within grace period, probably seen");
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27 return false;
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28 end
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29 end
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30 end, 1);
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31
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32 local function on_activity(event)
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33 local stanza, origin = event.stanza, event.origin;
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34 local user_session = user_sessions[origin.username];
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35 if not user_session then return; end
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36
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37 if stanza:get_child("body") or stanza:get_child("active", "http://jabber.org/protocol/chatstates") then
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38 user_sessions.last_active = origin.resource;
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39 user_sessions.grace_time_start = os.time();
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40 end
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41 end
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42 module:hook("pre-message/full", on_activity);
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43 module:hook("pre-message/bare", on_activity);
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44 module:hook("pre-message/host", on_activity);