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annotate mod_ipcheck/mod_ipcheck.lua @ 5401:c8d04ac200fc

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mod_http_oauth2: Reject loopback URIs as client_uri This really should be a proper website with info, https://localhost is not good enough. Ideally we'd validate that it's got proper DNS and is actually reachable, but triggering HTTP or even DNS lookups seems like it would carry abuse potential that would best to avoid.
author Kim Alvefur <zash@zash.se>
date Tue, 02 May 2023 16:20:55 +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.
Waqas Hussain <waqas20@gmail.com>
parents:
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1
51cd803e86be mod_ipcheck: Initial commit. An implementation of the Server IP Check proto-XEP.
Waqas Hussain <waqas20@gmail.com>
parents:
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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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51cd803e86be mod_ipcheck: Initial commit. An implementation of the Server IP Check proto-XEP.
Waqas Hussain <waqas20@gmail.com>
parents:
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4
51cd803e86be mod_ipcheck: Initial commit. An implementation of the Server IP Check proto-XEP.
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5 local st = require "util.stanza";
51cd803e86be mod_ipcheck: Initial commit. An implementation of the Server IP Check proto-XEP.
Waqas Hussain <waqas20@gmail.com>
parents:
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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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parents:
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8
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b0628bc93acf mod_ipcheck: Simplify iq handling by hooking on iq-get/ instead of iq/.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 1945
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9 module:hook("iq-get/bare/urn:xmpp:sic:0:ip", function(event)
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parents:
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10 local origin, stanza = event.origin, event.stanza;
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 1945
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11 if stanza.attr.to then
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parents: 1945
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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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parents: 1945
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13 elseif origin.ip then
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parents: 1945
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14 origin.send(st.reply(stanza):tag("ip", {xmlns='urn:xmpp:sic:0'}):text(origin.ip));
b0628bc93acf mod_ipcheck: Simplify iq handling by hooking on iq-get/ instead of iq/.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 1945
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15 else
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parents: 1945
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16 -- IP addresses should normally be available, but in case they are not
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 1945
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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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51cd803e86be mod_ipcheck: Initial commit. An implementation of the Server IP Check proto-XEP.
Waqas Hussain <waqas20@gmail.com>
parents:
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18 end
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19 return true;
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51cd803e86be mod_ipcheck: Initial commit. An implementation of the Server IP Check proto-XEP.
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parents:
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20 end);
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d1bc9a796daf mod_ipcheck: Add support for XEP version 0.2 (includes port)
Kim Alvefur <zash@zash.se>
parents: 136
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21
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parents: 136
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22 module:add_feature("urn:xmpp:sic:1");
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parents: 136
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23
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parents: 1945
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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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b0628bc93acf mod_ipcheck: Simplify iq handling by hooking on iq-get/ instead of iq/.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 1945
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26 if stanza.attr.to then
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 1945
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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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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 1945
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28 elseif origin.ip then
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parents: 1945
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29 local reply = st.reply(stanza):tag("address", {xmlns='urn:xmpp:sic:1'})
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parents: 1945
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30 :tag("ip"):text(origin.ip):up()
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parents: 1945
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31 if origin.conn and origin.conn.port then -- server_event
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parents: 1945
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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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parents: 1945
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34 reply:tag("port"):text(tostring(origin.conn:clientport()))
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parents: 136
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35 end
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 1945
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36 origin.send(reply);
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 1945
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37 else
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 1945
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38 -- IP addresses should normally be available, but in case they are not
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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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parents: 136
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40 end
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parents: 1945
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41 return true;
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42 end);