2 -- Copyright (C) 2008-2010 Matthew Wild
3 -- Copyright (C) 2008-2010 Waqas Hussain
5 -- This project is MIT/X11 licensed. Please see the
6 -- COPYING file in the source package for more information.
11 local st = require "util.stanza";
12 local t_concat = table.concat;
14 local secure_auth_only = module:get_option("c2s_require_encryption") or module:get_option("require_encryption");
16 local sessionmanager = require "core.sessionmanager";
17 local usermanager = require "core.usermanager";
18 local nodeprep = require "util.encodings".stringprep.nodeprep;
19 local resourceprep = require "util.encodings".stringprep.resourceprep;
21 module:add_feature("jabber:iq:auth");
22 module:hook("stream-features", function(event)
23 local origin, features = event.origin, event.features;
24 if secure_auth_only and not origin.secure then
25 -- Sorry, not offering to insecure streams!
27 elseif not origin.username then
28 features:tag("auth", {xmlns='http://jabber.org/features/iq-auth'}):up();
32 module:hook("stanza/iq/jabber:iq:auth:query", function(event)
33 local session, stanza = event.origin, event.stanza;
35 if session.type ~= "c2s_unauthed" then
36 session.send(st.error_reply(stanza, "cancel", "service-unavailable", "Legacy authentication is only allowed for unauthenticated client connections."));
40 if secure_auth_only and not session.secure then
41 session.send(st.error_reply(stanza, "modify", "not-acceptable", "Encryption (SSL or TLS) is required to connect to this server"));
45 local username = stanza.tags[1]:child_with_name("username");
46 local password = stanza.tags[1]:child_with_name("password");
47 local resource = stanza.tags[1]:child_with_name("resource");
48 if not (username and password and resource) then
49 local reply = st.reply(stanza);
50 session.send(reply:query("jabber:iq:auth")
53 :tag("resource"):up());
55 username, password, resource = t_concat(username), t_concat(password), t_concat(resource);
56 username = nodeprep(username);
57 resource = resourceprep(resource)
58 local reply = st.reply(stanza);
59 if usermanager.test_password(username, session.host, password) then
60 -- Authentication successful!
61 local success, err = sessionmanager.make_authenticated(session, username);
63 local err_type, err_msg;
64 success, err_type, err, err_msg = sessionmanager.bind_resource(session, resource);
66 session.send(st.error_reply(stanza, err_type, err, err_msg));
67 session.username, session.type = nil, "c2s_unauthed"; -- FIXME should this be placed in sessionmanager?
69 elseif resource ~= session.resource then -- server changed resource, not supported by legacy auth
70 session.send(st.error_reply(stanza, "cancel", "conflict", "The requested resource could not be assigned to this session."));
71 session:close(); -- FIXME undo resource bind and auth instead of closing the session?
75 session.send(st.reply(stanza));
77 session.send(st.error_reply(stanza, "auth", "not-authorized"));