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
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Björn Schießle <bjoern@schiessle.org>
* @author Clark Tomlinson <fallen013@gmail.com>
* @author Phil Davis <phil.davis@inf.org>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\Encryption;
use OC\Files\View;
use OCA\Encryption\Crypto\Crypt;
use OCP\IConfig;
use OCP\ILogger;
use OCP\IUser;
use OCP\IUserManager;
use OCP\IUserSession;
use OCP\PreConditionNotMetException;
class Util {
/**
* @var View
*/
private $files;
/**
* @var Crypt
*/
private $crypt;
/**
* @var ILogger
*/
private $logger;
/**
* @var bool|IUser
*/
private $user;
/**
* @var IConfig
*/
private $config;
/**
* @var IUserManager
*/
private $userManager;
/**
* Util constructor.
*
* @param View $files
* @param Crypt $crypt
* @param ILogger $logger
* @param IUserSession $userSession
* @param IConfig $config
* @param IUserManager $userManager
*/
public function __construct(View $files,
Crypt $crypt,
ILogger $logger,
IUserSession $userSession,
IConfig $config,
IUserManager $userManager
) {
$this->files = $files;
$this->crypt = $crypt;
$this->logger = $logger;
$this->user = $userSession && $userSession->isLoggedIn() ? $userSession->getUser() : false;
$this->config = $config;
$this->userManager = $userManager;
}
/**
* check if recovery key is enabled for user
*
* @param string $uid
* @return bool
*/
public function isRecoveryEnabledForUser($uid) {
$recoveryMode = $this->config->getUserValue($uid,
'encryption',
'recoveryEnabled',
'0');
return ($recoveryMode === '1');
}
/**
* check if the home storage should be encrypted
*
* @return bool
*/
public function shouldEncryptHomeStorage() {
$encryptHomeStorage = $this->config->getAppValue(
'encryption',
'encryptHomeStorage',
'1'
);
return ($encryptHomeStorage === '1');
}
/**
* set the home storage encryption on/off
*
* @param bool $encryptHomeStorage
*/
public function setEncryptHomeStorage($encryptHomeStorage) {
$value = $encryptHomeStorage ? '1' : '0';
$this->config->setAppValue(
'encryption',
'encryptHomeStorage',
$value
);
}
/**
* check if master key is enabled
*
* @return bool
*/
public function isMasterKeyEnabled() {
$userMasterKey = $this->config->getAppValue('encryption', 'useMasterKey', '1');
return ($userMasterKey === '1');
}
/**
* @param $enabled
* @return bool
*/
public function setRecoveryForUser($enabled) {
$value = $enabled ? '1' : '0';
try {
$this->config->setUserValue($this->user->getUID(),
'encryption',
'recoveryEnabled',
$value);
return true;
} catch (PreConditionNotMetException $e) {
return false;
}
}
/**
* @param string $uid
* @return bool
*/
public function userHasFiles($uid) {
return $this->files->file_exists($uid . '/files');
}
/**
* get owner from give path, path relative to data/ expected
*
* @param string $path relative to data/
* @return string
* @throws \BadMethodCallException
*/
public function getOwner($path) {
$owner = '';
$parts = explode('/', $path, 3);
if (count($parts) > 1) {
$owner = $parts[1];
if ($this->userManager->userExists($owner) === false) {
throw new \BadMethodCallException('Unknown user: ' .
'method expects path to a user folder relative to the data folder');
}
}
return $owner;
}
/**
* get storage of path
*
* @param string $path
* @return \OC\Files\Storage\Storage
*/
public function getStorage($path) {
$storage = $this->files->getMount($path)->getStorage();
return $storage;
}
}
|
