prosody
5f4a657136bc
plugins/mod_offline.lua

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plugins/mod_offline.lua @ 11638:5f4a657136bc

util.format: Escape ASCII control characters in output This should offer some protection against doing evil things to terminals. Doesn't protect against pure broken UTF-8 garbage however. See #734
author Kim Alvefur <zash@zash.se>
date Tue, 15 Jun 2021 23:24:23 +0200
parent 10296:7072569044d4
child 12977:74b9e05af71e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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Matthew Wild <mwild1@gmail.com>
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2009 Matthew Wild
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3 -- Copyright (C) 2008-2009 Waqas Hussain
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
1b267876246a Backed out changeset e7b09424b486 (not removing mod_offline for trunk)
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9
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10 local datetime = require "util.datetime";
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11 local jid_split = require "util.jid".split;
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12
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13 local offline_messages = module:open_store("offline", "archive");
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14
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15 module:add_feature("msgoffline");
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16
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17 module:hook("message/offline/handle", function(event)
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18 local origin, stanza = event.origin, event.stanza;
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19 local to = stanza.attr.to;
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20 local node;
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21 if to then
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22 node = jid_split(to)
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23 else
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24 node = origin.username;
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25 end
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26
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27 local ok = offline_messages:append(node, nil, stanza, os.time(), "");
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28 if ok then
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29 module:log("debug", "Saved to offline storage: %s", stanza:top_tag());
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30 end
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31 return ok;
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32 end, -1);
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33
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34 module:hook("message/offline/broadcast", function(event)
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35 local origin = event.origin;
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36 origin.log("debug", "Broadcasting offline messages");
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37
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38 local node, host = origin.username, origin.host;
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39
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40 local data = offline_messages:find(node);
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41 if not data then return true; end
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42 for _, stanza, when in data do
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43 stanza:tag("delay", {xmlns = "urn:xmpp:delay", from = host, stamp = datetime.datetime(when)}):up(); -- XEP-0203
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44 origin.send(stanza);
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45 end
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46 local ok = offline_messages:delete(node);
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47 if type(ok) == "number" and ok > 0 then
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48 origin.log("debug", "%d offline messages consumed");
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49 end
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50 return true;
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51 end, -1);