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
|
<?php
/**
* Example authentication source - username & password.
*
* This class is an example authentication source which stores all username/passwords in an array,
* and authenticates users against this array.
*
* @author Olav Morken, UNINETT AS.
* @package simpleSAMLphp
* @version $Id$
*/
class sspmod_exampleauth_Auth_Source_UserPass extends sspmod_core_Auth_UserPassBase {
/**
* Our users, stored in an associative array. The key of the array is "<username>:<password>",
* while the value of each element is a new array with the attributes for each user.
*/
private $users;
/**
* Constructor for this authentication source.
*
* @param array $info Information about this authentication source.
* @param array $config Configuration.
*/
public function __construct($info, $config) {
assert('is_array($info)');
assert('is_array($config)');
/* Call the parent constructor first, as required by the interface. */
parent::__construct($info, $config);
$this->users = array();
/* Validate and parse our configuration. */
foreach ($config as $userpass => $attributes) {
if (!is_string($userpass)) {
throw new Exception('Invalid <username>:<password> for authentication source ' .
$this->authId . ': ' . $userpass);
}
$userpass = explode(':', $userpass, 2);
if (count($userpass) !== 2) {
throw new Exception('Invalid <username>:<password> for authentication source ' .
$this->authId . ': ' . $userpass[0]);
}
$username = $userpass[0];
$password = $userpass[1];
try {
$attributes = SimpleSAML_Utilities::parseAttributes($attributes);
} catch(Exception $e) {
throw new Exception('Invalid attributes for user ' . $username .
' in authentication source ' . $this->authId . ': ' .
$e->getMessage());
}
$this->users[$username . ':' . $password] = $attributes;
}
}
/**
* Attempt to log in using the given username and password.
*
* On a successful login, this function should return the users attributes. On failure,
* it should throw an exception. If the error was caused by the user entering the wrong
* username or password, a SimpleSAML_Error_Error('WRONGUSERPASS') should be thrown.
*
* Note that both the username and the password are UTF-8 encoded.
*
* @param string $username The username the user wrote.
* @param string $password The password the user wrote.
* @return array Associative array with the users attributes.
*/
protected function login($username, $password) {
assert('is_string($username)');
assert('is_string($password)');
$userpass = $username . ':' . $password;
if (!array_key_exists($userpass, $this->users)) {
throw new SimpleSAML_Error_Error('WRONGUSERPASS');
}
return $this->users[$userpass];
}
}
?>
|
