prosody
c4069680a01c
plugins/mod_auth_anonymous.lua

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plugins/mod_auth_anonymous.lua @ 3190:c4069680a01c

mod_auth_anonymous: Auth provider with support for SASL ANONYMOUS.
author Waqas Hussain <waqas20@gmail.com>
date Mon, 07 Jun 2010 04:07:40 +0500
child 3191:b6388c4f9250
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3189:d686abb6b069 3190:c4069680a01c
1 -- Prosody IM
2 -- Copyright (C) 2008-2010 Matthew Wild
3 -- Copyright (C) 2008-2010 Waqas Hussain
4 -- Copyright (C) 2010 Jeff Mitchell
5 --
6 -- This project is MIT/X11 licensed. Please see the
7 -- COPYING file in the source package for more information.
8 --
9
10 local log = require "util.logger".init("usermanager");
11 local type = type;
12 local ipairs = ipairs;
13 local jid_bare = require "util.jid".bare;
14 local config = require "core.configmanager";
15 local new_sasl = require "util.sasl".new;
16 local datamanager = require "util.datamanager";
17
18 function new_default_provider(host)
19 local provider = { name = "anonymous" };
20
21 function provider.test_password(username, password)
22 return nil, "Password based auth not supported.";
23 end
24
25 function provider.get_password(username)
26 return nil, "Password not available.";
27 end
28
29 function provider.set_password(username, password)
30 return nil, "Password based auth not supported.";
31 end
32
33 function provider.user_exists(username)
34 return nil, "Only anonymous users are supported."; -- FIXME check if anonymous user is connected?
35 end
36
37 function provider.create_user(username, password)
38 return nil, "Account creation/modification not supported."; end
39 end
40
41 function provider.get_sasl_handler()
42 local realm = module:get_option("sasl_realm") or module.host;
43 local anonymous_authentication_profile = {
44 anonymous = function(username, realm)
45 return true; -- for normal usage you should always return true here
46 end
47 };
48 return new_sasl(realm, anonymous_authentication_profile);
49 end
50
51 function provider.is_admin(jid)
52 local admins = config.get(host, "core", "admins");
53 if admins ~= config.get("*", "core", "admins") and type(admins) == "table" then
54 jid = jid_bare(jid);
55 for _,admin in ipairs(admins) do
56 if admin == jid then return true; end
57 end
58 elseif admins then
59 log("error", "Option 'admins' for host '%s' is not a table", host);
60 end
61 return is_admin(jid); -- Test whether it's a global admin instead
62 end
63 return provider;
64 end
65
66 local function dm_callback(username, host, datastore, data)
67 if host == module.host then
68 return false;
69 end
70 return username, host, datastore, data;
71 end
72 local host = hosts[module.host];
73 local _saved_disallow_s2s = host.disallow_s2s;
74 function module.load()
75 _saved_disallow_s2s = host.disallow_s2s;
76 host.disallow_s2s = module:get_option("disallow_s2s") ~= false;
77 datamanager.add_callback(dm_callback);
78 end
79 function module.unload()
80 host.disallow_s2s = _saved_disallow_s2s;
81 datamanager.remove_callback(dm_callback);
82 end
83
84 module:add_item("auth-provider", new_default_provider(module.host));
85