prosody
7be72eca5666
plugins/mod_announce.lua

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plugins/mod_announce.lua @ 2478:7be72eca5666

net.server_{select,event}: Fail gracefully if socket doesn't have a setoption method (LuaSec issue I think)
author Matthew Wild <mwild1@gmail.com>
date Thu, 21 Jan 2010 12:56:08 +0000
parent 1522:569d58d21612
child 2923:b7049746bd29
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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 local st, jid, set = require "util.stanza", require "util.jid", require "util.set";
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11 local is_admin = require "core.usermanager".is_admin;
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12 local admins = set.new(config.get(module:get_host(), "core", "admins"));
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13
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14 function handle_announcement(data)
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15 local origin, stanza = data.origin, data.stanza;
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16 local host, resource = select(2, jid.split(stanza.attr.to));
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17
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18 if resource ~= "announce/online" then
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19 return; -- Not an announcement
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20 end
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22 if not is_admin(stanza.attr.from) then
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23 -- Not an admin? Not allowed!
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24 module:log("warn", "Non-admin %s tried to send server announcement", tostring(jid.bare(stanza.attr.from)));
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25 origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
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26 return;
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27 end
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28
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29 module:log("info", "Sending server announcement to all online users");
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30 local host_session = hosts[host];
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31 local message = st.clone(stanza);
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32 message.attr.type = "headline";
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33 message.attr.from = host;
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34
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35 local c = 0;
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36 for user in pairs(host_session.sessions) do
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37 c = c + 1;
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38 message.attr.to = user.."@"..host;
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39 core_post_stanza(host_session, message);
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40 end
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41
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42 module:log("info", "Announcement sent to %d online users", c);
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43 return true;
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44 end
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45
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46 module:hook("message/host", handle_announcement);