prosody-modules
2bb29ece216b
mod_private_adhoc/mod_private_adhoc.lua

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mod_private_adhoc/mod_private_adhoc.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 1461:deb79c2357bb
line wrap: on
line source

-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--

-- Module by Thomas Raschbacher 2014
-- lordvan@lordvan.com

module:depends"adhoc";
local dataforms_new = require "util.dataforms".new;
local st = require "util.stanza";
local jid_split = require "util.jid".split;

local private_storage = module:open_store("private");

local private_adhoc_result_layout = dataforms_new{
   { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
   { name = "privatexmldata", type = "text-multi", label = "Private XML data" };
};


function private_adhoc_command_handler (self, data, state)
   local username, hostname = jid_split(data.from);
   local data, err = private_storage:get(username);
   local dataString = "";
   if not data then
      dataString = "No data found.";
      if err then dataString = dataString..err end;
   else
      for key,value in pairs(data) do
	 dataString = dataString..tostring(st.deserialize(value)):gsub("><",">\n<")
	 dataString = dataString.."\n\n";
      end
   end
   return { status = "completed", result= { layout = private_adhoc_result_layout, values = {privatexmldata=dataString.."\n"}} };
end

local adhoc_new = module:require "adhoc".new;
local descriptor = adhoc_new("Query private data", "private_adhoc", private_adhoc_command_handler, "local_user");
module:add_item ("adhoc", descriptor);