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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2008 Bharat Mediratta
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
/**
* This is the API for handling users.
*
* Note: by design, this class does not do any permission checking.
*/
class user_Core {
const ADMIN = 1;
/**
* Return the form for creating / modifying users.
*/
public static function get_edit_form($user) {
$form = new Forge(
url::site("users/{$user->id}?_method=put"), "", "post", array("id" => "gUserForm"));
$group = $form->group(_("User Info"));
$group->input("name")
->label(_("Name"))
->id("gName")
->value($user->name);
$group->input("display_name")
->label(_("Display Name"))
->id("gDisplayName")
->value($user->display_name);
$group->password("password")
->label(_("Password"))
->id("gPassword");
$group->input("email")
->label(_("Email"))
->id("gEmail")
->value($user->email);
$group->submit(_("Modify"));
$form->add_rules_from($user);
return $form;
}
/**
* Create a new user.
*
* @param string $name
* @param string $display_name
* @param string $password
* @param boolean $admin true if this user is a site admin
* @return User_Model
*/
static function create($name, $display_name, $password, $admin=false) {
$user = ORM::factory("user");
if ($user->loaded) {
throw new Exception("@todo USER_ALREADY_EXISTS $name");
}
$user->name = $name;
$user->display_name = $display_name;
$user->password = $password;
$user->admin = $admin;
$user->save();
group::add_user(group::REGISTERED_USERS, $user->id);
return $user;
}
/**
* Delete a user
*
* @param string $id the user id
*/
static function delete($id) {
ORM::factory("user", $id)->delete();
}
/**
* Is the password provided correct?
*
* @param user User Model
* @param string $password a plaintext password
* @return boolean true if the password is correct
*/
public static function is_correct_password($user, $password) {
$valid = $user->password;
$salt = substr($valid, 0, 4);
/* Support both old (G1 thru 1.4.0; G2 thru alpha-4) and new password schemes: */
$guess = (strlen($valid) == 32) ? md5($password) : ($salt . md5($salt . $password));
if (!strcmp($guess, $valid)) {
return true;
}
/* Passwords with <&"> created by G2 prior to 2.1 were hashed with entities */
$sanitizedPassword = html::specialchars($password, false);
$guess = (strlen($valid) == 32) ? md5($sanitizedPassword)
: ($salt . md5($salt . $sanitizedPassword));
if (!strcmp($guess, $valid)) {
return true;
}
/* Also support hashes generated by phpass for interoperability with other applications */
if (strlen($valid) == 34) {
$hashGenerator = new PasswordHash(10, true);
return $hashGenerator->CheckPassword($password, $valid);
}
return false;
}
/**
* Create the hashed passwords.
* @param string $password a plaintext password
* @return string hashed password
*/
public static function hash_password($password) {
return user::_md5Salt($password);
}
/**
* Perform the post authentication processing
* @param object $user the user object.
*/
public static function login($user) {
$user->login_count += 1;
$user->last_login = time();
$user->save();
Session::instance()->set('user', $user);
}
/**
* Create a hashed password using md5 plus salt.
* @param string $password plaintext password
* @param string $salt (optional) salt or hash containing salt (randomly generated if omitted)
* @return string hashed password
*/
private static function _md5Salt($password, $salt='') {
if (empty($salt)) {
for ($i = 0; $i < 4; $i++) {
$char = mt_rand(48, 109);
$char += ($char > 90) ? 13 : ($char > 57) ? 7 : 0;
$salt .= chr($char);
}
} else {
$salt = substr($salt, 0, 4);
}
return $salt . md5($salt . $password);
}
}
|
