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comparison mod_bind2/mod_bind2.lua @ 4793:aaa6f412dce3

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mod_bind2: Experimental implementation of XEP-0386: Bind 2.0 Needless to say, completely untested
author Kim Alvefur <zash@zash.se>
date Sun, 28 Nov 2021 19:45:25 +0100
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children d17a1581ea30
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4792:9d57aa79c5d9 4793:aaa6f412dce3
1 local mm = require "core.modulemanager";
2 local sm = require "core.sessionmanager";
3
4 local xmlns_bind2 --[[<const>]] = "urn:xmpp:bind2:0";
5 local xmlns_carbons --[[<const>]] = "urn:xmpp:carbons:2";
6
7 module:depends("sasl2");
8 module:depends("carbons");
9
10 module:hook_tag(xmlns_sasl2, "authenticate", function (session, auth)
11 session.bind2 = auth:get_child("bind", xmlns_bind2);
12 end, 1);
13
14 module:hook("sasl2/c2s/success", function (event)
15 local session = event.session;
16 if not session.bind2 then return end
17
18 -- When it receives a bind 2.0 on an authenticated not-yet-bound session, the
19 -- server MUST:
20
21 -- Clear the offline messages for this user, if any, without sending them (as
22 -- they will be provided by MAM).
23 if mm.is_loaded(module.host, "offline") then
24 -- TODO
25 end
26
27 -- Perform resource binding to a random resource (see 6120)
28 if not sm.bind_resource(session, nil) then
29 -- FIXME How should this be handled even?
30 session:close("reset");
31 return true;
32 end
33
34 -- Work out which contacts have unread messages in the user's MAM archive,
35 -- how many, and what the id of the last read message is
36 -- XXX How do we know what the last read message was?
37 -- TODO archive:summary(session.username, { after = ??? });
38
39 -- Get the id of the newest stanza in the user's MAM archive
40 -- TODO archive:find(session.username, { reverse = true, limit = 1 });
41
42 -- Silently enable carbons for this session
43 session.carbons = xmlns_carbons;
44
45 -- After processing the bind stanza, as above, the server MUST respond with
46 -- an element of type 'bound' in the namespace 'urn:xmpp:bind2:0', as in the
47 -- below example
48 event.success:tag("bound", xmlns_bind2):text_tag("jid", session.full_jid):up();
49
50 session.bind2 = nil;
51 end);