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annotate mod_mam/mamprefs.lib.lua @ 4537:53ee391ca689

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mod_smacks: Fix traceback due to session being destroyed in send() Sending something can cause the OS to notice that the connection is dead and then the connection can be dead at this point. More likely if opportunistic_writes is enabled.
author Kim Alvefur <zash@zash.se>
date Thu, 01 Apr 2021 11:35:26 +0200
parents 9ffb059c9ba5
children
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1 -- XEP-0313: Message Archive Management for Prosody
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2 -- Copyright (C) 2011-2013 Kim Alvefur
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3 --
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4 -- This file is MIT/X11 licensed.
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5 -- luacheck: ignore 122/prosody
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6
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7 local global_default_policy = module:get_option("default_archive_policy", true);
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8
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9 do
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10 -- luacheck: ignore 211/prefs_format
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11 local prefs_format = {
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12 [false] = "roster",
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13 -- default ::= true | false | "roster"
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14 -- true = always, false = never, nil = global default
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15 ["romeo@montague.net"] = true, -- always
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16 ["montague@montague.net"] = false, -- newer
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17 };
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18 end
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19
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20 local sessions = prosody.hosts[module.host].sessions;
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21 local archive_store = module:get_option_string("archive_store", "archive");
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22 local prefs = module:open_store(archive_store .. "_prefs");
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23
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24 local function get_prefs(user)
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25 local user_sessions = sessions[user];
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26 local user_prefs = user_sessions and user_sessions.archive_prefs
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27 if not user_prefs then
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28 user_prefs = prefs:get(user);
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29 if user_sessions then
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30 user_sessions.archive_prefs = user_prefs;
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31 end
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32 end
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33 return user_prefs or { [false] = global_default_policy };
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34 end
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35 local function set_prefs(user, user_prefs)
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36 local user_sessions = sessions[user];
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37 if user_sessions then
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38 user_sessions.archive_prefs = user_prefs;
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39 end
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40 return prefs:set(user, user_prefs);
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41 end
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42
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43 return {
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44 get = get_prefs,
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45 set = set_prefs,
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46 }