Mercurial > prosody-modules

annotate mod_sasl2/mod_sasl2.lua @ 4272:91b951fb3018

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_http_oauth2: Periodically trim unused authorization codes
author Kim Alvefur <zash@zash.se>
date Sun, 22 Nov 2020 19:11:42 +0100
parents 5ae2e865eea0
children 9d57aa79c5d9
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 local function tls_unique(self)
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
27 return self.userdata["tls-unique"]:getpeerfinished();
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
28 end
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 module:hook("stream-features", function(event)
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
31 local origin, features = event.origin, event.features;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
32 local log = origin.log or module._log;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
34 if origin.type ~= "c2s_unauthed" then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
35 log("debug", "Already authenticated");
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
36 return
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
37 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
38
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
39 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
40 origin.sasl_handler = sasl_handler;
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 if sasl_handler.add_cb_handler then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
43 local socket = origin.conn:socket();
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
44 if socket.getpeerfinished then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
45 sasl_handler:add_cb_handler("tls-unique", tls_unique);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
46 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
47 sasl_handler["userdata"] = {
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
48 ["tls-unique"] = socket;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
49 };
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
50 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
51
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
52 local mechanisms = st.stanza("mechanisms", { xmlns = xmlns_sasl2 });
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
53
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
54 local available_mechanisms = sasl_handler:mechanisms()
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
55 for mechanism in pairs(available_mechanisms) do
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
56 if disabled_mechanisms:contains(mechanism) then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
57 log("debug", "Not offering disabled mechanism %s", mechanism);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
58 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
59 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
60 else
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
61 log("debug", "Offering mechanism %s", mechanism);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
62 mechanisms:text_tag("mechanism", mechanism);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
63 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
64 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
65
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
66 features:add_direct_child(mechanisms);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
67 end, 1);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
68
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
69 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
70 local err = nil;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
71 if status == "error" then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
72 ret, err = nil, ret;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
73 if not errors.is_err(err) then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
74 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
75 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
76 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
77
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
78 module:fire_event("sasl2/"..session.base_type.."/"..status, {
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
79 session = session,
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
80 message = ret;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
81 error = err;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
82 });
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
83 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
84
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
85 module:hook("sasl2/c2s/failure", function (event)
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
86 local session = event.session
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
87 session.send(st.stanza("failure", { xmlns = xmlns_sasl2 })
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
88 :tag(event.error.condition));
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
89 return true;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
90 end);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
91
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
92 module:hook("sasl2/c2s/challenge", function (event)
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
93 local session = event.session;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
94 session.send(st.stanza("challenge", { xmlns = xmlns_sasl2 })
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
95 :text_tag(event.message));
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
96 end);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
97
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
98 module:hook("sasl2/c2s/success", function (event)
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
99 local session = event.session
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
100 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
101 if not ok then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
102 handle_status(session, "failure", err);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
103 return true;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
104 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
105 event.success = st.stanza("success", { xmlns = xmlns_sasl2 });
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
106 end, 1000);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
107
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
108 module:hook("sasl2/c2s/success", function (event)
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
109 local session = event.session
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
110 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
111 session.send(event.success);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
112 local features = st.stanza("stream:features");
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
113 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
114 session.send(features);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
115 end, -1000);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
116
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
117 local function process_cdata(session, cdata)
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
118 if cdata then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
119 cdata = base64.decode(cdata);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
120 if not cdata then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
121 return handle_status(session, "failure");
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
122 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
123 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
124 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
125 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
126
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
127 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
128 local sasl_handler = session.sasl_handler;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
129 if not sasl_handler then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
130 sasl_handler = usermanager_get_sasl_handler(host, session);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
131 session.sasl_handler = sasl_handler;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
132 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
133 local mechanism = assert(auth.attr.mechanism);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
134 if not sasl_handler:select(mechanism) then
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
135 return handle_status(session, "failure");
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
136 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
137 local initial = auth:get_child_text("initial-response");
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
138 return process_cdata(session, initial);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
139 end);
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
140
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
141 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
142 local sasl_handler = session.sasl_handler;
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
143 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
144 return handle_status(session, "failure");
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
145 end
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
146 return process_cdata(session, response:get_text());
5ae2e865eea0 mod_sasl2: Experimental implementation of XEP-0388
Kim Alvefur <zash@zash.se>
parents:
diff changeset
147 end);