annotate mod_ipcheck/mod_ipcheck.lua @ 5326:dc058fcc3fe3

mod_audit: Improve filtering options and add documentation to README
author Matthew Wild <mwild1@gmail.com>
date Fri, 07 Apr 2023 13:44:18 +0100
parents b0628bc93acf
children
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51cd803e86be mod_ipcheck: Initial commit. An implementation of the Server IP Check proto-XEP.
Waqas Hussain <waqas20@gmail.com>
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1
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2 -- mod_ipcheck.lua
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3 -- Implementation of XEP-0279: Server IP Check <http://xmpp.org/extensions/xep-0279.html>
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5 local st = require "util.stanza";
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7 module:add_feature("urn:xmpp:sic:0");
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8
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9 module:hook("iq-get/bare/urn:xmpp:sic:0:ip", function(event)
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10 local origin, stanza = event.origin, event.stanza;
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11 if stanza.attr.to then
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12 origin.send(st.error_reply(stanza, "auth", "forbidden", "You can only ask about your own IP address"));
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13 elseif origin.ip then
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14 origin.send(st.reply(stanza):tag("ip", {xmlns='urn:xmpp:sic:0'}):text(origin.ip));
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15 else
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16 -- IP addresses should normally be available, but in case they are not
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17 origin.send(st.error_reply(stanza, "cancel", "service-unavailable", "IP address for this session is not available"));
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18 end
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19 return true;
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20 end);
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21
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22 module:add_feature("urn:xmpp:sic:1");
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23
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24 module:hook("iq-get/bare/urn:xmpp:sic:1:address", function(event)
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25 local origin, stanza = event.origin, event.stanza;
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26 if stanza.attr.to then
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27 origin.send(st.error_reply(stanza, "auth", "forbidden", "You can only ask about your own IP address"));
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28 elseif origin.ip then
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29 local reply = st.reply(stanza):tag("address", {xmlns='urn:xmpp:sic:1'})
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30 :tag("ip"):text(origin.ip):up()
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31 if origin.conn and origin.conn.port then -- server_event
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32 reply:tag("port"):text(tostring(origin.conn:port()))
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33 elseif origin.conn and origin.conn.clientport then -- server_select
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34 reply:tag("port"):text(tostring(origin.conn:clientport()))
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35 end
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36 origin.send(reply);
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37 else
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38 -- IP addresses should normally be available, but in case they are not
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parents: 1945
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39 origin.send(st.error_reply(stanza, "cancel", "service-unavailable", "IP address for this session is not available"));
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40 end
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41 return true;
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42 end);