prosody
8999dd4253f9
plugins/mod_announce.lua

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plugins/mod_announce.lua @ 1385:8999dd4253f9

mod_announce: New module to send a message to all online users
author Matthew Wild <mwild1@gmail.com>
date Mon, 22 Jun 2009 18:05:36 +0100
child 1396:ce3eb5f71899
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1385
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1 local st, jid, set = require "util.stanza", require "util.jid", require "util.set";
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2
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3 local admins = set.new(config.get(module:get_host(), "core", "admins"));
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4
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5 function handle_announcement(data)
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6 local origin, stanza = data.origin, data.stanza;
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7 local host, resource = select(2, jid.split(stanza.attr.to));
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8
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9 if resource ~= "announce/online" then
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10 return; -- Not an announcement
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11 end
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12
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13 if not admins:contains(jid.bare(origin.full_jid)) then
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14 -- Not an admin? Not allowed!
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15 module:log("warn", "Non-admin %s tried to send server announcement", tostring(jid.bare(origin.full_jid)));
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16 origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
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17 return;
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18 end
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19
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20 module:log("info", "Sending server announcement to all online users");
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21 local host_session = hosts[host];
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22 local message = st.clone(stanza);
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23 message.attr.type = "headline";
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24 message.attr.from = host;
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25
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26 local c = 0;
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27 for user in pairs(host_session.sessions) do
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28 c = c + 1;
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29 message.attr.to = user.."@"..host;
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30 core_post_stanza(host_session, message);
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31 end
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32
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33 module:log("info", "Announcement sent to %d online users", c);
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34 return true;
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35 end
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36
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37 module:hook("message/host", handle_announcement);