Mercurial > prosody-modules

annotate mod_sasl2_fast/mod_sasl2_fast.lua @ 5062:38a0e3621181

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
author Matthew Wild <mwild1@gmail.com>
date Thu, 13 Oct 2022 22:47:35 +0100
parents
children 74145faceba2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5062
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1 local tokenauth = module:depends("tokenauth");
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
2 local sasl = require "util.sasl";
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
3 local dt = require "util.datetime";
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
4 local st = require "util.stanza";
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
6 local fast_token_ttl = module:get_option_number("sasl2_fast_token_ttl", 86400*21);
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
7
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
8 local xmlns_fast = "urn:xmpp:fast:0";
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
9 local xmlns_sasl2 = "urn:xmpp:sasl:2";
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
10
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11 function get_sasl_handler(session) --luacheck: ignore session
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
12 local token_auth_profile = {
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
13 token_test = function (_, client_id, token, mech_name, counter) --luacheck: ignore
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
14 return false; -- FIXME
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
15 end;
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
16 };
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17 return sasl.new(module.host, token_auth_profile);
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18 end
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
19
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
20 -- Advertise FAST to connecting clients
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
21 module:hook("advertise-sasl-features", function (event)
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22 local sasl_handler = get_sasl_handler(event.session);
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23 if not sasl_handler then return; end
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
24 event.session.fast_sasl_handler = sasl_handler;
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
25 local fast = st.stanza("fast", { xmlns = xmlns_fast });
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
26 for mech in sasl_handler:mechanisms() do
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
27 fast:text_tag("mechanism", mech);
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
28 end
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
29 event.features:add_child(fast);
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
30 end);
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
31
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
32 -- Process any FAST elements in <authenticate/>
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
33 module:hook_tag(xmlns_sasl2, "authenticate", function (session, auth)
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
34 -- Cache action for future processing (after auth success)
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
35 local fast_auth = auth:get_child(xmlns_fast, "fast");
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
36 if fast_auth then
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
37 -- Client says it is using FAST auth, so set our SASL handler
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
38 session.log("debug", "Client is authenticating using FAST");
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
39 session.sasl_handler = session.fast_sasl_handler;
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
40 end
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
41 session.fast_sasl_handler = nil;
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
42 local fast_token_request = auth:get_child(xmlns_fast, "request-token");
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
43 if fast_token_request then
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
44 local mech = fast_token_request.attr.mechanism;
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
45 session.log("debug", "Client requested new FAST token for %s", mech);
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
46 session.fast_token_request = {
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
47 mechanism = mech;
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
48 };
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
49 end
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
50 end, 100);
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
51
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
52 -- Process post-success (new token generation, etc.)
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
53 module:hook("sasl2/c2s/success", function (event)
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
54 local session = event.session;
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
55
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
56 local token_request = session.fast_token_request;
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
57 if token_request then
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
58 local token, token_info = tokenauth.create_jid_token(
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
59 session.full_jid,
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
60 session.full_jid,
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
61 session.role,
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
62 fast_token_ttl,
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
63 {
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
64 fast_token = true;
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
65 fast_mechanism = token_request.mechanism;
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
66 }
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
67 );
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
68 if token then
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
69 event.success:tag("token", {
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
70 xmlns = xmlns_fast;
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
71 expiry = dt.datetime(token_info.expiry);
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
72 token = token;
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
73 }):up();
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
74 end
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
75 end
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
76 end, 75);
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
77
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
78
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
79 -- X-PLAIN-TOKEN mechanism
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
80
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
81 local function x_plain_token(self, message) --luacheck: ignore 212/self
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
82 if not message then
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
83 return nil, "malformed-request";
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
84 end
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
85 return nil, "temporary-auth-failure"; -- FIXME
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
86 end
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
87
38a0e3621181 mod_sasl2_fast: New module for SASL2 FAST authentication (WIP)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
88 sasl.registerMechanism("X-PLAIN-TOKEN", { "token_test" }, x_plain_token);