prosody-modules
f45ca6edc159
mod_auth_imap/auth_imap/mod_auth_imap.lua

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mod_auth_imap/auth_imap/mod_auth_imap.lua @ 1196:f45ca6edc159

mod_auth_imap: Authentication module that works by passing through SASL to a IMAP connection
author Kim Alvefur <zash@zash.se>
date Thu, 26 Sep 2013 13:43:27 +0200
child 1198:b21bd39c8a12
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1195:f502cbffbdd4 1196:f45ca6edc159
1 -- IMAP authentication backend for Prosody
2 --
3 -- Copyright (C) 2011 FIMXE from hg annotate -u
4
5 local name = "IMAP SASL";
6 local log = require "util.logger".init("auth_imap");
7
8 local imap_host = module:get_option_string("imap_auth_host", "localhost");
9 local imap_port = module:get_option_number("imap_auth_port", 143);
10
11
12 local imap_service_realm = module:get_option("imap_service_realm");
13 local imap_service_name = module:get_option("imap_service_name");
14
15
16 local new_imap_sasl = module:require "sasl_imap".new;
17
18 local new_sasl = function(realm)
19 return new_imap_sasl(
20 imap_service_realm or realm,
21 imap_service_name or "xmpp",
22 imap_host, imap_port
23 );
24 end
25
26 do
27 local s = new_sasl(module.host)
28 assert(s, "Could not create a new SASL object");
29 assert(s.mechanisms, "SASL object has no mechanims method");
30 local m = {};
31 for k in pairs(s:mechanisms()) do
32 table.insert(m, k);
33 end
34 log("debug", "Mechanims found: %s", table.concat(m, ", "));
35 end
36
37 provider = {
38 name = module.name:gsub("^auth_","");
39 };
40
41 function provider.test_password(username, password)
42 return nil, "Legacy auth not supported with "..name;
43 end
44
45 function provider.get_password(username)
46 return nil, "Passwords unavailable for "..name;
47 end
48
49 function provider.set_password(username, password)
50 return nil, "Passwords unavailable for "..name;
51 end
52
53 function provider.user_exists(username)
54 -- FIXME
55 return true
56 end
57
58 function provider.create_user(username, password)
59 return nil, "Account creation/modification not available with "..name;
60 end
61
62 function provider.get_sasl_handler()
63 return new_sasl(module.host);
64 end
65
66 module:add_item("auth-provider", provider);
67