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
|
<?php
/**
* ownCloud
*
* @author Frank Karlitschek
* @copyright 2010 Frank Karlitschek karlitschek@kde.org
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
/*
*
* The following SQL statement is just a help for developers and will not be
* executed!
*
* CREATE TABLE `users` (
* `uid` varchar(64) COLLATE utf8_unicode_ci NOT NULL,
* `password` varchar(255) COLLATE utf8_unicode_ci NOT NULL,
* PRIMARY KEY (`uid`)
* ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
*
*/
require_once('User/backend.php');
/**
* Class for user management in a SQL Database (e.g. MySQL, SQLite)
*
*/
class OC_USER_DATABASE extends OC_USER_BACKEND {
static private $userGroupCache=array();
/**
* Try to create a new user
*
* @param string $username The username of the user to create
* @param string $password The password of the new user
*/
public static function createUser( $uid, $password ){
$query = OC_DB::prepare( "SELECT * FROM `*PREFIX*users` WHERE `uid` = ?" );
$result = $query->execute( array( $uid ));
// Check if the user already exists
if ( $result->numRows() > 0 ){
return false;
}
else{
$query = OC_DB::prepare( "INSERT INTO `*PREFIX*users` ( `uid`, `password` ) VALUES( ?, ? )" );
$result = $query->execute( array( $uid, sha1( $password )));
return $result ? true : false;
}
}
/**
* Try to login a user
*
* @param string $username The username of the user to log in
* @param string $password The password of the user
*/
public static function login( $username, $password ){
$query = OC_DB::prepare( "SELECT `uid`, `name` FROM `*PREFIX*users` WHERE `uid` = ? AND `password` = ?" );
$result = $query->execute( array( $username, sha1( $password )));
if( $result->numRows() > 0 ){
$row = $result->fetchRow();
$_SESSION['user_id'] = $row["uid"];
return true;
}
else{
return false;
}
}
/**
* Kick the user
*
*/
public static function logout() {
OC_LOG::add( "core", $_SESSION['user_id'], "logout" );
$_SESSION['user_id'] = false;
}
/**
* Check if the user is logged in
*
*/
public static function isLoggedIn() {
if( isset($_SESSION['user_id']) AND $_SESSION['user_id'] ){
return true;
}
else{
return false;
}
}
/**
* Generate a random password
*/
public static function generatePassword(){
return uniqId();
}
/**
* Set the password of a user
*
* @param string $username User who password will be changed
* @param string $password The new password for the user
*/
public static function setPassword( $username, $password ){
$query = OC_DB::prepare( "UPDATE `*PREFIX*users` SET `password` = ? WHERE `uid` = ?" );
$result = $query->execute( array( sha1( $password ), $username ));
if( $result->numRows() > 0 ){
return true;
}
else{
return false;
}
}
/**
* Check if the password of the user is correct
*
* @param string $username Name of the user
* @param string $password Password of the user
*/
public static function checkPassword( $username, $password ){
$query = OC_DB::prepare( "SELECT `uid` FROM `*PREFIX*users` WHERE `uid` = ? AND `password` = ?" );
$result = $query->execute( array( $username, sha1( $password )));
if( $result->numRows() > 0 ){
return true;
}
else{
return false;
}
}
/**
* get a list of all users
*
*/
public static function getUsers(){
$query = OC_DB::prepare( "SELECT `uid` FROM `*PREFIX*users`" );
$result = $query->execute();
$users=array();
while( $row = $result->fetchRow()){
$users[] = $row["uid"];
}
return $users;
}
}
|
