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mod_query_client_ver/mod_query_client_ver.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> |
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date | Fri, 03 Mar 2023 21:14:19 +0100 |
parent | 2993:1f8220f0c8bf |
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1 -- Query and log client software |
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2 |
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3 local st = require"util.stanza"; |
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4 local uuid = require"util.uuid".generate; |
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5 |
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6 local xmlns_iq_version = "jabber:iq:version"; |
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7 local version_id = uuid(); |
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8 local xmlns_disco_info = "http://jabber.org/protocol/disco#info"; |
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9 local disco_id = uuid(); |
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10 |
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11 module:hook("presence/bare", function(event) |
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12 local origin, stanza = event.origin, event.stanza; |
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13 if origin.type == "c2s" and not origin.presence and not stanza.attr.to then |
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14 module:add_timer(1, function() |
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15 if origin.type ~= "c2s" then return end |
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16 origin.log("debug", "Sending version query"); |
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17 origin.send(st.iq({ id = version_id, type = "get", from = module.host, to = origin.full_jid }):query(xmlns_iq_version)); |
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18 end); |
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19 end |
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20 end, 1); |
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21 |
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22 module:hook("iq-result/host/"..version_id, function(event) |
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23 local origin, stanza = event.origin, event.stanza; |
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24 local query = stanza:get_child("query", xmlns_iq_version); |
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25 if query then |
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26 local client = query:get_child_text("name"); |
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27 if client then |
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28 local version = query:get_child_text("version"); |
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29 if version then |
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30 client = client .. " version " .. version; |
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31 end |
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32 origin.log("info", "Running %s", client); |
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33 end |
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34 end |
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35 return true; |
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36 end); |
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37 |
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38 module:hook("iq-error/host/"..version_id, function(event) |
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39 local origin, stanza = event.origin, event.stanza; |
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40 origin.send(st.iq({ id = disco_id, type = "get", from = module.host, to = origin.full_jid }):query(xmlns_disco_info)); |
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41 return true; |
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42 end); |
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43 |
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44 module:hook("iq-result/host/"..disco_id, function(event) |
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45 local origin, stanza = event.origin, event.stanza; |
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46 local query = stanza:get_child("query", xmlns_disco_info); |
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47 if query then |
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48 local ident = query:get_child("identity"); |
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49 if ident and ident.attr.name then |
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50 origin.log("info", "Running %s", ident.attr.name); |
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51 end |
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52 end |
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53 return true; |
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54 end); |
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55 |
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56 module:hook("iq-error/host/"..disco_id, function() |
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57 return true; -- Doesn't reply to disco#info? Weird, but ignore for now. |
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58 end); |
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59 |
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60 module:add_item("adhoc", |
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61 module:require "adhoc".new("Query all currently connected clients", module.name, |
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62 function (self, data, state) |
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63 for jid, session in pairs(prosody.full_sessions) do |
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64 if session.host == module.host then |
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65 session.send(st.iq({ id = version_id, type = "get", from = module.host, to = session.full_jid }):query(xmlns_iq_version)); |
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66 end |
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67 end |
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68 return { info = "Ok, check your logs for results", status = "completed" } |
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69 end, "admin")); |
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70 |