local mm = require "core.modulemanager";
local sm = require "core.sessionmanager";
local xmlns_sasl2 --[[<const>]] = "urn:xmpp:sasl:1";
local xmlns_bind2 --[[<const>]] = "urn:xmpp:bind2:0";
local xmlns_carbons --[[<const>]] = "urn:xmpp:carbons:2";
module:depends("sasl2");
module:depends("carbons");
module:hook("stream-features", function(event)
local origin, features = event.origin, event.features;
if origin.type ~= "c2s_unauthed" then return end
features:tag("bind", xmlns_bind2):up();
end);
module:hook_tag(xmlns_sasl2, "authenticate", function (session, auth)
session.bind2 = auth:get_child("bind", xmlns_bind2);
end, 1);
module:hook("sasl2/c2s/success", function (event)
local session = event.session;
if not session.bind2 then return end
-- When it receives a bind 2.0 on an authenticated not-yet-bound session, the
-- server MUST:
-- Clear the offline messages for this user, if any, without sending them (as
-- they will be provided by MAM).
if mm.is_loaded(module.host, "offline") then -- luacheck: ignore 542
-- TODO
end
-- Perform resource binding to a random resource (see 6120)
if not sm.bind_resource(session, nil) then
-- FIXME How should this be handled even?
session:close("reset");
return true;
end
-- Work out which contacts have unread messages in the user's MAM archive,
-- how many, and what the id of the last read message is
-- XXX How do we know what the last read message was?
-- TODO archive:summary(session.username, { after = ??? });
-- Get the id of the newest stanza in the user's MAM archive
-- TODO archive:find(session.username, { reverse = true, limit = 1 });
-- Silently enable carbons for this session
session.carbons = xmlns_carbons;
-- After processing the bind stanza, as above, the server MUST respond with
-- an element of type 'bound' in the namespace 'urn:xmpp:bind2:0', as in the
-- below example
event.success:tag("bound", xmlns_bind2):text_tag("jid", session.full_jid):up();
session.bind2 = nil;
end);