annotate mod_ipcheck/mod_ipcheck.lua @ 4976:75b6e5df65f9

various: Improve error reporting if missing file server module on 0.12 If there is some error loading net.http.files then it would be swallowed by the pcall and then it would proceed to trying mod_http_files, which might cause unexpected behavior on 0.12 Ref #1765
author Kim Alvefur <zash@zash.se>
date Mon, 18 Jul 2022 22:47:54 +0200
parents b0628bc93acf
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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51cd803e86be mod_ipcheck: Initial commit. An implementation of the Server IP Check proto-XEP.
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1
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2 -- mod_ipcheck.lua
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0525c66e7d13 mod_ipcheck: Updated XEP number and URL in comments to the newly published XEP.
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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";
51cd803e86be mod_ipcheck: Initial commit. An implementation of the Server IP Check proto-XEP.
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7 module:add_feature("urn:xmpp:sic:0");
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8
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parents: 1945
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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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parents: 1945
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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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parents: 1945
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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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parents: 1945
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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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parents: 1945
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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);