Mercurial > prosody-modules

annotate mod_sasl2/mod_sasl2.lua @ 5024:1cb762f72a91

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_isr: XEP-0397: Instant Stream Resumption
author Matthew Wild <mwild1@gmail.com>
date Sun, 28 Aug 2022 17:30:52 +0100
parents 90772a9c92a0
children fd154db7c8fc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3905
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 -- Prosody IM
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
2 -- Copyright (C) 2019 Kim Alvefur
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
3 --
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
4 -- This project is MIT/X11 licensed. Please see the
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5 -- COPYING file in the source package for more information.
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
6 --
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
7 -- XEP-0388: Extensible SASL Profile
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8 --
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10 local st = require "util.stanza";
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11 local errors = require "util.error";
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12 local base64 = require "util.encodings".base64;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13 local jid_join = require "util.jid".join;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15 local usermanager_get_sasl_handler = require "core.usermanager".get_sasl_handler;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
16 local sm_make_authenticated = require "core.sessionmanager".make_authenticated;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
17
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
18 local xmlns_sasl2 = "urn:xmpp:sasl:1";
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
19
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20 local allow_unencrypted_plain_auth = module:get_option_boolean("allow_unencrypted_plain_auth", false)
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
21 local insecure_mechanisms = module:get_option_set("insecure_sasl_mechanisms", allow_unencrypted_plain_auth and {} or {"PLAIN", "LOGIN"});
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
22 local disabled_mechanisms = module:get_option_set("disable_sasl_mechanisms", { "DIGEST-MD5" });
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
23
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
24 local host = module.host;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
25
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
26 module:hook("stream-features", function(event)
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
27 local origin, features = event.origin, event.features;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
28 local log = origin.log or module._log;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
29
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
30 if origin.type ~= "c2s_unauthed" then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
31 log("debug", "Already authenticated");
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
32 return
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
34
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
35 local sasl_handler = usermanager_get_sasl_handler(host, origin)
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
36 origin.sasl_handler = sasl_handler;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
37
4796
9c7635911c56 mod_sasl2: Silence [luacheck] warning
Kim Alvefur <zash@zash.se>
parents: 4792
diff changeset
38 if sasl_handler.add_cb_handler then -- luacheck: ignore 542
4792
9d57aa79c5d9 mod_sasl2: Remove channel binding
Kim Alvefur <zash@zash.se>
parents: 3905
diff changeset
39 -- FIXME bring back channel binding
3905
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
40 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
41
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
42 local mechanisms = st.stanza("mechanisms", { xmlns = xmlns_sasl2 });
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
43
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
44 local available_mechanisms = sasl_handler:mechanisms()
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
45 for mechanism in pairs(available_mechanisms) do
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
46 if disabled_mechanisms:contains(mechanism) then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
47 log("debug", "Not offering disabled mechanism %s", mechanism);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
48 elseif not origin.secure and insecure_mechanisms:contains(mechanism) then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
49 log("debug", "Not offering mechanism %s on insecure connection", mechanism);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
50 else
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
51 log("debug", "Offering mechanism %s", mechanism);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
52 mechanisms:text_tag("mechanism", mechanism);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
53 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
54 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
55
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
56 features:add_direct_child(mechanisms);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
57 end, 1);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
58
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
59 local function handle_status(session, status, ret, err_msg)
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
60 local err = nil;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
61 if status == "error" then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
62 ret, err = nil, ret;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
63 if not errors.is_err(err) then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
64 err = errors.new({ condition = err, text = err_msg }, { session = session });
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
65 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
66 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
67
5018
ed2a9a4c4f01 mod_sasl2: Return status from event handlers
Matthew Wild <mwild1@gmail.com>
parents: 4796
diff changeset
68 return module:fire_event("sasl2/"..session.base_type.."/"..status, {
3905
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
69 session = session,
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
70 message = ret;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
71 error = err;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
72 });
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
73 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
74
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
75 module:hook("sasl2/c2s/failure", function (event)
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
76 local session = event.session
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
77 session.send(st.stanza("failure", { xmlns = xmlns_sasl2 })
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
78 :tag(event.error.condition));
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
79 return true;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
80 end);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
81
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
82 module:hook("sasl2/c2s/challenge", function (event)
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
83 local session = event.session;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
84 session.send(st.stanza("challenge", { xmlns = xmlns_sasl2 })
5019
c83ce822f105 mod_sasl2: Fix <challenge> generation
Matthew Wild <mwild1@gmail.com>
parents: 5018
diff changeset
85 :text(base64.encode(event.message)));
5020
6a36dae4a88d mod_sasl2: Return true to indicate challenge was handled successfully
Matthew Wild <mwild1@gmail.com>
parents: 5019
diff changeset
86 return true;
3905
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
87 end);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
88
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
89 module:hook("sasl2/c2s/success", function (event)
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
90 local session = event.session
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
91 local ok, err = sm_make_authenticated(session, session.sasl_handler.username);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
92 if not ok then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
93 handle_status(session, "failure", err);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
94 return true;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
95 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
96 event.success = st.stanza("success", { xmlns = xmlns_sasl2 });
5023
90772a9c92a0 mod_sasl2: Include additional-data in SASL success response
Matthew Wild <mwild1@gmail.com>
parents: 5021
diff changeset
97 if event.message then
90772a9c92a0 mod_sasl2: Include additional-data in SASL success response
Matthew Wild <mwild1@gmail.com>
parents: 5021
diff changeset
98 event.success:text_tag("additional-data", base64.encode(event.message));
90772a9c92a0 mod_sasl2: Include additional-data in SASL success response
Matthew Wild <mwild1@gmail.com>
parents: 5021
diff changeset
99 end
3905
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
100 end, 1000);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
101
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
102 module:hook("sasl2/c2s/success", function (event)
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
103 local session = event.session
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
104 event.success:text_tag("authorization-identifier", jid_join(session.username, session.host, session.resource));
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
105 session.send(event.success);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
106 local features = st.stanza("stream:features");
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
107 module:fire_event("stream-features", { origin = session, features = features });
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
108 session.send(features);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
109 end, -1000);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
110
5021
f62b091b1c81 mod_sasl2: Eventually return true from success handler
Matthew Wild <mwild1@gmail.com>
parents: 5020
diff changeset
111 -- The gap here is to allow modules to do stuff to the stream after the stanza
f62b091b1c81 mod_sasl2: Eventually return true from success handler
Matthew Wild <mwild1@gmail.com>
parents: 5020
diff changeset
112 -- is sent, but before we proceed with anything else. This is expected to be
f62b091b1c81 mod_sasl2: Eventually return true from success handler
Matthew Wild <mwild1@gmail.com>
parents: 5020
diff changeset
113 -- a common pattern with SASL2, which allows atomic negotiation of a bunch of
f62b091b1c81 mod_sasl2: Eventually return true from success handler
Matthew Wild <mwild1@gmail.com>
parents: 5020
diff changeset
114 -- stream features.
f62b091b1c81 mod_sasl2: Eventually return true from success handler
Matthew Wild <mwild1@gmail.com>
parents: 5020
diff changeset
115 module:hook("sasl2/c2s/success", function (event) --luacheck: ignore 212/event
f62b091b1c81 mod_sasl2: Eventually return true from success handler
Matthew Wild <mwild1@gmail.com>
parents: 5020
diff changeset
116 return true;
f62b091b1c81 mod_sasl2: Eventually return true from success handler
Matthew Wild <mwild1@gmail.com>
parents: 5020
diff changeset
117 end, -2000);
f62b091b1c81 mod_sasl2: Eventually return true from success handler
Matthew Wild <mwild1@gmail.com>
parents: 5020
diff changeset
118
3905
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
119 local function process_cdata(session, cdata)
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
120 if cdata then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
121 cdata = base64.decode(cdata);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
122 if not cdata then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
123 return handle_status(session, "failure");
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
124 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
125 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
126 return handle_status(session, session.sasl_handler:process(cdata));
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
127 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
128
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
129 module:hook_tag(xmlns_sasl2, "authenticate", function (session, auth)
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
130 local sasl_handler = session.sasl_handler;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
131 if not sasl_handler then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
132 sasl_handler = usermanager_get_sasl_handler(host, session);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
133 session.sasl_handler = sasl_handler;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
134 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
135 local mechanism = assert(auth.attr.mechanism);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
136 if not sasl_handler:select(mechanism) then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
137 return handle_status(session, "failure");
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
138 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
139 local initial = auth:get_child_text("initial-response");
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
140 return process_cdata(session, initial);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
141 end);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
142
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
143 module:hook_tag(xmlns_sasl2, "response", function (session, response)
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
144 local sasl_handler = session.sasl_handler;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
145 if not sasl_handler or not sasl_handler.selected then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
146 return handle_status(session, "failure");
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
147 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
148 return process_cdata(session, response:get_text());
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
149 end);