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annotate mod_mam/mamprefs.lib.lua @ 2760:7c2416a1eb94

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mod_mam: Clone stanzas before mutating (thanks waqas) (fixes #961)
author Kim Alvefur <zash@zash.se>
date Sun, 03 Sep 2017 00:35:31 +0200
parents d81882aa0e1e
children 9ffb059c9ba5
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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 and user_sessions then
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28 user_prefs = prefs:get(user);
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29 user_sessions.archive_prefs = user_prefs;
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30 end
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31 return user_prefs or { [false] = global_default_policy };
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32 end
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33 local function set_prefs(user, user_prefs)
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34 local user_sessions = sessions[user];
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35 if user_sessions then
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36 user_sessions.archive_prefs = user_prefs;
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37 end
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38 return prefs:set(user, user_prefs);
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39 end
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40
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41 return {
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42 get = get_prefs,
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43 set = set_prefs,
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44 }