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annotate mod_bind2/mod_bind2.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 1539ae696613
children
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1 local mm = require "core.modulemanager";
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2 local sm = require "core.sessionmanager";
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3
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8849b4f68534 mod_bind2: Add missing missing SASL2 namespace [luacheck]
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4 local xmlns_sasl2 --[[<const>]] = "urn:xmpp:sasl:1";
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5 local xmlns_bind2 --[[<const>]] = "urn:xmpp:bind2:0";
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6 local xmlns_carbons --[[<const>]] = "urn:xmpp:carbons:2";
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7
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8 module:depends("sasl2");
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9 module:depends("carbons");
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10
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d17a1581ea30 mod_bind2: Advertise stream feature
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11 module:hook("stream-features", function(event)
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12 local origin, features = event.origin, event.features;
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13 if origin.type ~= "c2s_unauthed" then return end
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14 features:tag("bind", xmlns_bind2):up();
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15 end);
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16
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17 module:hook_tag(xmlns_sasl2, "authenticate", function (session, auth)
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18 session.bind2 = auth:get_child("bind", xmlns_bind2);
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19 end, 1);
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20
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21 module:hook("sasl2/c2s/success", function (event)
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22 local session = event.session;
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23 if not session.bind2 then return end
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24
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25 -- When it receives a bind 2.0 on an authenticated not-yet-bound session, the
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26 -- server MUST:
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27
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28 -- Clear the offline messages for this user, if any, without sending them (as
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29 -- they will be provided by MAM).
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1539ae696613 mod_bind2: Silence [luacheck] warning
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30 if mm.is_loaded(module.host, "offline") then -- luacheck: ignore 542
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31 -- TODO
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32 end
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33
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34 -- Perform resource binding to a random resource (see 6120)
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35 if not sm.bind_resource(session, nil) then
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36 -- FIXME How should this be handled even?
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37 session:close("reset");
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38 return true;
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39 end
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40
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41 -- Work out which contacts have unread messages in the user's MAM archive,
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42 -- how many, and what the id of the last read message is
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43 -- XXX How do we know what the last read message was?
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44 -- TODO archive:summary(session.username, { after = ??? });
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45
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46 -- Get the id of the newest stanza in the user's MAM archive
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47 -- TODO archive:find(session.username, { reverse = true, limit = 1 });
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48
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49 -- Silently enable carbons for this session
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50 session.carbons = xmlns_carbons;
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51
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52 -- After processing the bind stanza, as above, the server MUST respond with
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53 -- an element of type 'bound' in the namespace 'urn:xmpp:bind2:0', as in the
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54 -- below example
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55 event.success:tag("bound", xmlns_bind2):text_tag("jid", session.full_jid):up();
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56
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57 session.bind2 = nil;
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58 end);