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mod_addressing/mod_addressing.lua @ 4941:e7b9bc629ecc
mod_rest: Add special handling to catch MAM results from remote hosts
Makes MAM queries to remote hosts works.
As the comment says, MAM results from users' local archives or local
MUCs are returned via origin.send() which is provided in the event and
thus already worked. Results from remote hosts go via normal stanza
routing and events, which need this extra handling to catch.
This pattern of iq-set, message+, iq-result is generally limited to MAM.
Closest similar thing might be MUC join, but to really handle that you
would need the webhook callback mechanism.
author | Kim Alvefur <zash@zash.se> |
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date | Mon, 16 May 2022 19:47:09 +0200 |
parent | 935:f66a08f208ad |
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-- TODO Querying other servers for support, needs to keep track of remote -- server disco features local xmlns_address = 'http://jabber.org/protocol/address'; local function handle_extended_addressing(data) local stanza = data.stanza; if stanza.attr.type == "error" then return -- so we don't process bounces end local orig_to = stanza.attr.to; local addresses = stanza:get_child("addresses", xmlns_address); if addresses then module:log("debug", "Extended addressing found"); local destinations = {}; addresses:maptags(function(address) if address.attr.xmlns == xmlns_address and address.name == "address" then local type, jid, delivered = address.attr.type, address.attr.jid, address.attr.delivered; if (type == "cc" or type == "bcc" or type == "to") and jid and not delivered then destinations[#destinations+1] = jid; module:log("debug", "%s to %s", type, jid) if type == "to" or type == "cc" then address.attr.delivered = "true"; return address; elseif type == "bcc" then return nil; end end end return address; -- unsupported stuff goes right back end); for i=1,#destinations do stanza.attr.to = destinations[i]; module:log("debug", "posting stanza to %s", destinations[i]) module:send(stanza); end stanza.attr.to = orig_to; return stanza.attr.to == module.host or nil; end end module:hook("message/host", handle_extended_addressing, 10); module:hook("message/bare", handle_extended_addressing, 10); module:hook("message/full", handle_extended_addressing, 10); module:hook("presence/host", handle_extended_addressing, 10); module:hook("presence/bare", handle_extended_addressing, 10); module:hook("presence/full", handle_extended_addressing, 10); -- IQ stanzas makes no sense module:add_feature(xmlns_address);