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annotate mod_csi_grace_period/mod_csi_grace_period.lua @ 5416:2393dbae51ed

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mod_http_oauth2: Add option for specifying TTL of registered clients Meant to simplify configuration, since TTL vs ignoring expiration is expected to be the main thing one would want to configure. Unsure what the implications of having unlimited lifetime of clients are, given no way to revoke them currently, short of rotating the signing secret. On one hand, it would be annoying to have the client expire. On the other hand, it is trivial to re-register it.
author Kim Alvefur <zash@zash.se>
date Thu, 04 May 2023 18:41:33 +0200
parents e1e337dc05b6
children
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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_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);