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annotate mod_measure_active_users/mod_measure_active_users.lua @ 5549:01a0b67a9afd

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mod_http_oauth2: Add TODO about disabling password grant Per recommendation in draft-ietf-oauth-security-topics-23 it should at the very least be disabled by default. However since this is used by the Snikket web portal some care needs to be taken not to break this, unless it's already broken by other changes to this module.
author Kim Alvefur <zash@zash.se>
date Fri, 16 Jun 2023 00:06:53 +0200
parents 1132f2888cd2
children 34b46d157797
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1132f2888cd2 mod_measure_active_users: Calculate active user counts over fixed time periods
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1 local store = module:open_store("lastlog2");
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2
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3 local measure_d1 = module:measure("active_users_1d", "amount");
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4 local measure_d7 = module:measure("active_users_7d", "amount");
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5 local measure_d30 = module:measure("active_users_30d", "amount");
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6
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7 function update_calculations()
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8 module:log("debug", "Calculating active users");
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9 local host_user_sessions = prosody.hosts[module.host].sessions;
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10 local active_d1, active_d7, active_d30 = 0, 0, 0;
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11 local now = os.time();
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12 for username in store:users() do
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13 if host_user_sessions[username] then
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14 -- Active now
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15 active_d1, active_d7, active_d30 =
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16 active_d1 + 1, active_d7 + 1, active_d30 + 1;
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17 else
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18 local lastlog_data = store:get(username);
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19 if lastlog_data then
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20 -- Due to server restarts/crashes/etc. some events
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21 -- may not always get recorded, so we'll just take the
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22 -- latest as a sign of last activity
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23 local last_active = math.max(
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24 lastlog_data.login and lastlog_data.login.timestamp or 0,
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25 lastlog_data.logout and lastlog_data.logout.timestamp or 0
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26 );
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27 if now - last_active < 86400 then
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28 active_d1 = active_d1 + 1;
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29 end
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30 if now - last_active < 86400*7 then
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31 active_d7 = active_d7 + 1;
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32 end
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33 if now - last_active < 86400*30 then
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34 active_d30 = active_d30 + 1;
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35 end
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36 end
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37 end
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38 end
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39 module:log("debug", "Active users (took %ds): %d (24h), %d (7d), %d (30d)", os.time()-now, active_d1, active_d7, active_d30);
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40 measure_d1(active_d1);
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41 measure_d7(active_d7);
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42 measure_d30(active_d30);
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43
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44 return 3600 + (300*math.random());
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45 end
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46
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47 module:add_timer(15, update_calculations);