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
|
<?php
/*
* Copyright 2013 Florian "Bluewind" Pritz <bluewind@server-speed.net>
*
* Licensed under AGPLv3
* (see COPYING for full license text)
*
*/
abstract class Duser_Driver extends CI_Driver {
// List of optional functions that are implemented
//
// Possible values are:
// - can_register_new_users (only supported with the DB driver!)
// - can_reset_password (only supported with the DB driver!)
public $optional_functions = array();
/*
* The returned array should contain the following keys:
* - username string
* - userid INT > 0
*
* @param username
* @param password
* @return mixed array on success, false on failure
*/
abstract public function login($username, $password);
/*
* @param username
* @return boolean true is username exists, false otherwise
*/
public function username_exists($username) {
return null;
}
/*
* @param userid
* @return string email address of the user
*/
public function get_email($userid) {
return null;
}
}
class Duser extends CI_Driver_Library {
protected $_adapter = null;
protected $valid_drivers = array(
'duser_db', 'duser_ldap', 'duser_fluxbb'
);
function __construct()
{
$CI =& get_instance();
$this->_adapter = $CI->config->item("authentication_driver");
}
// require an optional function to be implemented
public function require_implemented($function) {
if (!$this->is_implemented($function)) {
throw new \exceptions\PublicApiException("libraries/duser/optional-function-not-implemented", ""
."Optional function '".$function."' not implemented in user adapter '".$this->_adapter."'. "
."Requested functionally unavailable.");
}
}
// check if an optional function is implemented
public function is_implemented($function) {
if (in_array($function, $this->{$this->_adapter}->optional_functions)) {
return true;
}
return false;
}
public function login($username, $password)
{
$login_info = $this->{$this->_adapter}->login($username, $password);
if ($login_info === false) {
return false;
}
$CI =& get_instance();
$CI->session->set_userdata(array(
'logged_in' => true,
'username' => $login_info["username"],
'userid' => $login_info["userid"],
'access_level' => 'full',
));
return true;
}
public function username_exists($username)
{
if ($username === false) {
return false;
}
return $this->{$this->_adapter}->username_exists($username);
}
public function get_email($userid)
{
return $this->{$this->_adapter}->get_email($userid);
}
}
|
