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
|
<?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;
*
*/
/**
* Class for user management in a SQL Database (e.g. MySQL, SQLite)
*/
class OC_User_Database extends OC_User_Backend {
static private $userGroupCache=array();
/**
* @brief Create a new user
* @param $uid The username of the user to create
* @param $password The password of the new user
* @returns true/false
*
* Creates a new user. Basic checking of username is done in OC_User
* itself, not in its subclasses.
*/
public function createUser( $uid, $password ){
if( $this->userExists($uid) ){
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;
}
}
/**
* @brief delete a user
* @param $uid The username of the user to delete
* @returns true/false
*
* Deletes a user
*/
public function deleteUser( $uid ){
// Delete user-group-relation
$query = OC_DB::prepare( "DELETE FROM `*PREFIX*users` WHERE uid = ?" );
$result = $query->execute( array( $uid ));
return true;
}
/**
* @brief Set password
* @param $uid The username
* @param $password The new password
* @returns true/false
*
* Change the password of a user
*/
public function setPassword( $uid, $password ){
if( $this->userExists($uid) ){
$query = OC_DB::prepare( "UPDATE *PREFIX*users SET password = ? WHERE uid = ?" );
$result = $query->execute( array( sha1( $password ), $uid ));
return true;
}
else{
return false;
}
}
/**
* @brief Check if the password is correct
* @param $uid The username
* @param $password The password
* @returns true/false
*
* Check if the password is correct without logging in the user
*/
public function checkPassword( $uid, $password ){
$query = OC_DB::prepare( "SELECT uid FROM *PREFIX*users WHERE uid = ? AND password = ?" );
$result = $query->execute( array( $uid, sha1( $password )));
if( $result->numRows() > 0 ){
return true;
}
else{
return false;
}
}
/**
* @brief Get a list of all users
* @returns array with all uids
*
* Get a list of all users.
*/
public 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;
}
/**
* @brief check if a user exists
* @param string $uid the username
* @return boolean
*/
public function userExists($uid){
$query = OC_DB::prepare( "SELECT * FROM `*PREFIX*users` WHERE uid = ?" );
$result = $query->execute( array( $uid ));
return $result->numRows() > 0;
}
}
|
