1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
-- Prosody IM v0.3
-- Copyright (C) 2008-2009 Matthew Wild
-- Copyright (C) 2008-2009 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
local st = require "util.stanza";
local usermanager_user_exists = require "core.usermanager".user_exists;
local usermanager_create_user = require "core.usermanager".create_user;
local datamanager_store = require "util.datamanager".store;
local os_time = os.time;
module:add_feature("jabber:iq:register");
module:add_iq_handler("c2s", "jabber:iq:register", function (session, stanza)
if stanza.tags[1].name == "query" then
local query = stanza.tags[1];
if stanza.attr.type == "get" then
local reply = st.reply(stanza);
reply:tag("query", {xmlns = "jabber:iq:register"})
:tag("registered"):up()
:tag("username"):text(session.username):up()
:tag("password"):up();
session.send(reply);
elseif stanza.attr.type == "set" then
if query.tags[1] and query.tags[1].name == "remove" then
-- TODO delete user auth data, send iq response, kick all user resources with a <not-authorized/>, delete all user data
--session.send(st.error_reply(stanza, "cancel", "not-allowed"));
--return;
usermanager_create_user(session.username, nil, session.host); -- Disable account
-- FIXME the disabling currently allows a different user to recreate the account
-- we should add an in-memory account block mode when we have threading
session.send(st.reply(stanza));
local roster = session.roster;
for _, session in pairs(hosts[session.host].sessions[session.username].sessions) do -- disconnect all resources
session:disconnect({condition = "not-authorized", text = "Account deleted"});
end
-- TODO datamanager should be able to delete all user data itself
datamanager.store(session.username, session.host, "roster", nil);
datamanager.store(session.username, session.host, "vcard", nil);
datamanager.store(session.username, session.host, "private", nil);
datamanager.store(session.username, session.host, "offline", nil);
local bare = session.username.."@"..session.host;
for jid, item in pairs(roster) do
if jid ~= "pending" then
if item.subscription == "both" or item.subscription == "to" then
-- TODO unsubscribe
end
if item.subscription == "both" or item.subscription == "from" then
-- TODO unsubscribe
end
end
end
datamanager.store(session.username, session.host, "accounts", nil); -- delete accounts datastore at the end
else
local username = query:child_with_name("username");
local password = query:child_with_name("password");
if username and password then
-- FIXME shouldn't use table.concat
username = table.concat(username);
password = table.concat(password);
if username == session.username then
if usermanager_create_user(username, password, session.host) then -- password change -- TODO is this the right way?
session.send(st.reply(stanza));
else
-- TODO unable to write file, file may be locked, etc, what's the correct error?
session.send(st.error_reply(stanza, "wait", "internal-server-error"));
end
else
session.send(st.error_reply(stanza, "modify", "bad-request"));
end
else
session.send(st.error_reply(stanza, "modify", "bad-request"));
end
end
end
else
session.send(st.error_reply(stanza, "cancel", "service-unavailable"));
end;
end);
local recent_ips = {};
local min_seconds_between_registrations = config.get(module.host, "core", "min_seconds_between_registrations");
local whitelist_only = config.get(module.host, "core", "whitelist_registration_only");
local whitelisted_ips = config.get(module.host, "core", "registration_whitelist") or { "127.0.0.1" };
local blacklisted_ips = config.get(module.host, "core", "registration_blacklist") or {};
for _, ip in ipairs(whitelisted_ips) do whitelisted_ips[ip] = true; end
for _, ip in ipairs(blacklisted_ips) do blacklisted_ips[ip] = true; end
module:add_iq_handler("c2s_unauthed", "jabber:iq:register", function (session, stanza)
if config.get(module.host, "core", "allow_registration") == false then
session.send(st.error_reply(stanza, "cancel", "service-unavailable"));
elseif stanza.tags[1].name == "query" then
local query = stanza.tags[1];
if stanza.attr.type == "get" then
local reply = st.reply(stanza);
reply:tag("query", {xmlns = "jabber:iq:register"})
:tag("instructions"):text("Choose a username and password for use with this service."):up()
:tag("username"):up()
:tag("password"):up();
session.send(reply);
elseif stanza.attr.type == "set" then
if query.tags[1] and query.tags[1].name == "remove" then
session.send(st.error_reply(stanza, "auth", "registration-required"));
else
local username = query:child_with_name("username");
local password = query:child_with_name("password");
if username and password then
-- Check that the user is not blacklisted or registering too often
if blacklisted_ips[session.ip] or (whitelist_only and not whitelisted_ips[session.ip]) then
session.send(st.error_reply(stanza, "cancel", "not-acceptable"));
return;
elseif min_seconds_between_registrations and not whitelisted_ips[session.ip] then
if not recent_ips[session.ip] then
recent_ips[session.ip] = { time = os_time(), count = 1 };
else
local ip = recent_ips[session.ip];
ip.count = ip.count + 1;
if os_time() - ip.time < min_seconds_between_registrations then
ip.time = os_time();
session.send(st.error_reply(stanza, "cancel", "not-acceptable"));
return;
end
ip.time = os_time();
end
end
-- FIXME shouldn't use table.concat
username = table.concat(username);
password = table.concat(password);
if usermanager_user_exists(username, session.host) then
session.send(st.error_reply(stanza, "cancel", "conflict"));
else
if usermanager_create_user(username, password, session.host) then
session.send(st.reply(stanza)); -- user created!
else
-- TODO unable to write file, file may be locked, etc, what's the correct error?
session.send(st.error_reply(stanza, "wait", "internal-server-error"));
end
end
else
session.send(st.error_reply(stanza, "modify", "not-acceptable"));
end
end
end
else
session.send(st.error_reply(stanza, "cancel", "service-unavailable"));
end;
end);
|
