Mercurial > prosody-modules

annotate mod_auth_sql/mod_auth_sql.lua @ 358:4483bb889d12

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_register_json: Minor refactor, default to port 9280 if option is unspecified or default to port 9443 if SSL is used. (Good, bad?)
author Marco Cirillo <maranda@lightwitch.org>
date Tue, 12 Apr 2011 17:47:47 +0000
parents f24998ec7f8d
children c2554fee5c21
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
354
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
1 -- Simple SQL Authentication module for Prosody IM
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
2 -- Copyright (C) 2011 Tomasz Sterna <tomek@xiaoka.com>
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
3 --
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
4
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
5 local log = require "util.logger".init("auth_sql");
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
6 local new_sasl = require "util.sasl".new;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
7 local nodeprep = require "util.encodings".stringprep.nodeprep;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
8
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
9 local DBI;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
10 local connection;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
11 local host,user,store = module.host;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
12 local params = module:get_option("sql");
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
13
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
14 local resolve_relative_path = require "core.configmanager".resolve_relative_path;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
15
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
16 local function test_connection()
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
17 if not connection then return nil; end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
18 if connection:ping() then
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
19 return true;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
20 else
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
21 module:log("debug", "Database connection closed");
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
22 connection = nil;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
23 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
24 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
25 local function connect()
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
26 if not test_connection() then
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
27 prosody.unlock_globals();
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
28 local dbh, err = DBI.Connect(
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
29 params.driver, params.database,
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
30 params.username, params.password,
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
31 params.host, params.port
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
32 );
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
33 prosody.lock_globals();
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
34 if not dbh then
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
35 module:log("debug", "Database connection failed: %s", tostring(err));
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
36 return nil, err;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
37 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
38 module:log("debug", "Successfully connected to database");
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
39 dbh:autocommit(false); -- don't commit automatically
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
40 connection = dbh;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
41 return connection;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
42 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
43 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
44
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
45 do -- process options to get a db connection
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
46 DBI = require "DBI";
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
47
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
48 params = params or { driver = "SQLite3" };
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
49
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
50 if params.driver == "SQLite3" then
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
51 params.database = resolve_relative_path(prosody.paths.data or ".", params.database or "prosody.sqlite");
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
52 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
53
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
54 assert(params.driver and params.database, "Both the SQL driver and the database need to be specified");
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
55
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
56 assert(connect());
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
57 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
58
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
59 local function getsql(sql, ...)
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
60 if params.driver == "PostgreSQL" then
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
61 sql = sql:gsub("`", "\"");
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
62 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
63 -- do prepared statement stuff
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
64 local stmt, err = connection:prepare(sql);
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
65 if not stmt and not test_connection() then error("connection failed"); end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
66 if not stmt then module:log("error", "QUERY FAILED: %s %s", err, debug.traceback()); return nil, err; end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
67 -- run query
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
68 local ok, err = stmt:execute(...);
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
69 if not ok and not test_connection() then error("connection failed"); end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
70 if not ok then return nil, err; end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
71
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
72 return stmt;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
73 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
74
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
75 function new_default_provider(host)
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
76 local provider = { name = "sql" };
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
77 log("debug", "initializing default authentication provider for host '%s'", host);
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
78
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
79 function provider.test_password(username, password)
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
80 log("debug", "test password '%s' for user %s at host %s", password, username, module.host);
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
81 return nil, "Password based auth not supported.";
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
82 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
83
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
84 function provider.get_password(username)
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
85 log("debug", "get_password for username '%s' at host '%s'", username, module.host);
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
86
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
87 local stmt, err = getsql("SELECT `password` FROM `authreg` WHERE `username`=? AND `realm`=?",
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
88 username, module.host);
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
89
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
90 local password = nil;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
91 if stmt ~= nil then
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
92 for row in stmt:rows(true) do
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
93 password = row.password;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
94 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
95 else
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
96 log("error", "QUERY ERROR: %s %s", err, debug.traceback());
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
97 return nil;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
98 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
99
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
100 return password;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
101 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
102
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
103 function provider.set_password(username, password)
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
104 return nil, "Password based auth not supported.";
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
105 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
106
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
107 function provider.user_exists(username)
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
108 return nil, "User exist check not supported.";
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
109 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
110
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
111 function provider.create_user(username, password)
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
112 return nil, "Account creation/modification not supported.";
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
113 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
114
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
115 function provider.get_sasl_handler()
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
116 local realm = module:get_option("sasl_realm") or module.host;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
117 local getpass_authentication_profile = {
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
118 plain = function(sasl, username, realm)
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
119 local prepped_username = nodeprep(username);
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
120 if not prepped_username then
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
121 log("debug", "NODEprep failed on username: %s", username);
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
122 return "", nil;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
123 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
124 local password = usermanager.get_password(prepped_username, realm);
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
125 if not password then
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
126 return "", nil;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
127 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
128 return password, true;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
129 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
130 };
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
131 return new_sasl(realm, getpass_authentication_profile);
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
132 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
133
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
134 return provider;
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
135 end
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
136
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
137 module:add_item("auth-provider", new_default_provider(module.host));
f24998ec7f8d Implemented basic SQL authentication module.
Tomasz Sterna <tomek@xiaoka.com>
parents:
diff changeset
138