prosody
94e341dee51c
plugins/mod_offline.lua

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plugins/mod_offline.lua @ 10224:94e341dee51c

core.certmanager: Move EECDH ciphers before EDH in default cipherstring The original intent of having kEDH before kEECDH was that if a `dhparam` file was specified, this would be interpreted as a preference by the admin for old and well-tested Diffie-Hellman key agreement over newer elliptic curve ones. Otherwise the faster elliptic curve ciphersuites would be preferred. This didn't really work as intended since this affects the ClientHello on outgoing s2s connections, leading to some servers using poorly configured kEDH. With Debian shipping OpenSSL settings that enforce a higher security level, this caused interoperability problems with servers that use DH params smaller than 2048 bits. E.g. jabber.org at the time of this writing has 1024 bit DH params. MattJ says > Curves have won, and OpenSSL is less weird about them now
author Kim Alvefur <zash@zash.se>
date Sun, 25 Aug 2019 20:22:35 +0200
parent 8030:bd3527198308
child 10242:7e5d2a6c9390
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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
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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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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 return offline_messages:append(node, nil, stanza, os.time(), "");
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28 end, -1);
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29
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30 module:hook("message/offline/broadcast", function(event)
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31 local origin = event.origin;
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32
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33 local node, host = origin.username, origin.host;
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34
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35 local data = offline_messages:find(node);
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36 if not data then return true; end
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37 for _, stanza, when in data do
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38 stanza:tag("delay", {xmlns = "urn:xmpp:delay", from = host, stamp = datetime.datetime(when)}):up(); -- XEP-0203
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39 origin.send(stanza);
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40 end
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41 offline_messages:delete(node);
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42 return true;
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43 end, -1);