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mod_muc_gc10/mod_muc_gc10.lua @ 5193:2bb29ece216b
mod_http_oauth2: Implement stateless dynamic client registration
Replaces previous explicit registration that required either the
additional module mod_adhoc_oauth2_client or manually editing the
database. That method was enough to have something to test with, but
would not probably not scale easily.
Dynamic client registration allows creating clients on the fly, which
may be even easier in theory.
In order to not allow basically unauthenticated writes to the database,
we implement a stateless model here.
per_host_key := HMAC(config -> oauth2_registration_key, hostname)
client_id := JWT { client metadata } signed with per_host_key
client_secret := HMAC(per_host_key, client_id)
This should ensure everything we need to know is part of the client_id,
allowing redirects etc to be validated, and the client_secret can be
validated with only the client_id and the per_host_key.
A nonce injected into the client_id JWT should ensure nobody can submit
the same client metadata and retrieve the same client_secret
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Fri, 03 Mar 2023 21:14:19 +0100 |
parent | 3548:8a15a9b13881 |
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local jid_bare = require "util.jid".bare; local st = require "util.stanza"; local rooms = assert(module:depends"muc".rooms, "This module is not needed with Prosody >=0.11"); module:hook("presence/full", function (event) local stanza, origin = event.stanza, event.origin; if stanza.attr.type ~= nil then return end local muc_x = stanza:get_child("x", "http://jabber.org/protocol/muc"); local room_jid = jid_bare(stanza.attr.to); local room = rooms[room_jid]; if not room then if muc_x then -- Normal MUC creation else module:log("info", "GC 1.0 room creation from %s", stanza.attr.from); module:send(st.iq({type="get",id=module.name,from=module.host,to=stanza.attr.from}):query("jabber:iq:version")); end return; end local current_nick = room._jid_nick[stanza.attr.from]; if current_nick then -- present if muc_x then module:log("info", "MUC desync with %s", stanza.attr.from); module:send(st.iq({type="get",id=module.name,from=module.host,to=stanza.attr.from}):query("jabber:iq:version")); else -- normal presence update end else -- joining if muc_x then -- normal join else module:log("info", "GC 1.0 join from %s", stanza.attr.from); module:send(st.iq({type="get",id=module.name,from=module.host,to=stanza.attr.from}):query("jabber:iq:version")); end end end); module:hook("iq-result/host/"..module.name, function (event) local stanza, origin = event.stanza, event.origin; local version = stanza:get_child("query", "jabber:iq:version"); if not version then module:log("info", "%s replied with an invalid version reply: %s", stanza.attr.from, tostring(stanza)); return true; end module:log("info", "%s is running: %s %s", stanza.attr.from, version:get_child_text("name"), version:get_child_text("version")); end); module:hook("iq-error/host/"..module.name, function (event) local stanza, origin = event.stanza, event.origin; module:log("info", "%s replied with an error: %s %s", stanza.attr.from, stanza:get_error()); return true; end);