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
|
<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2020 Arthur Schiwon <blizzz@arthur-schiwon.de>
*
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\Repair;
use OCP\DB\Exception;
use OCP\IConfig;
use OCP\IDBConnection;
use OCP\IGroupManager;
use OCP\Migration\IOutput;
use OCP\Migration\IRepairStep;
use Psr\Log\LoggerInterface;
use function strlen;
use function substr;
use function urldecode;
use function urlencode;
class RepairDavShares implements IRepairStep {
protected const GROUP_PRINCIPAL_PREFIX = 'principals/groups/';
/** @var IConfig */
private $config;
/** @var IDBConnection */
private $dbc;
/** @var IGroupManager */
private $groupManager;
/** @var LoggerInterface */
private $logger;
public function __construct(
IConfig $config,
IDBConnection $dbc,
IGroupManager $groupManager,
LoggerInterface $logger
) {
$this->config = $config;
$this->dbc = $dbc;
$this->groupManager = $groupManager;
$this->logger = $logger;
}
/**
* @inheritDoc
*/
public function getName() {
return 'Repair DAV shares';
}
protected function repairUnencodedGroupShares() {
$qb = $this->dbc->getQueryBuilder();
$qb->select(['id', 'principaluri'])
->from('dav_shares')
->where($qb->expr()->like('principaluri', $qb->createNamedParameter(self::GROUP_PRINCIPAL_PREFIX . '%')));
$updateQuery = $this->dbc->getQueryBuilder();
$updateQuery->update('dav_shares')
->set('principaluri', $updateQuery->createParameter('updatedPrincipalUri'))
->where($updateQuery->expr()->eq('id', $updateQuery->createParameter('shareId')));
$statement = $qb->execute();
while ($share = $statement->fetch()) {
$gid = substr($share['principaluri'], strlen(self::GROUP_PRINCIPAL_PREFIX));
$decodedGid = urldecode($gid);
$encodedGid = urlencode($gid);
if ($gid === $encodedGid
|| !$this->groupManager->groupExists($gid)
|| ($gid !== $decodedGid && $this->groupManager->groupExists($decodedGid))
) {
continue;
}
// Repair when
// + the group name needs encoding
// + AND it is not encoded yet
// + AND there are no ambivalent groups
try {
$fixedPrincipal = self::GROUP_PRINCIPAL_PREFIX . $encodedGid;
$logParameters = [
'app' => 'core',
'id' => $share['id'],
'old' => $share['principaluri'],
'new' => $fixedPrincipal,
];
$updateQuery
->setParameter('updatedPrincipalUri', $fixedPrincipal)
->setParameter('shareId', $share['id'])
->execute();
$this->logger->info('Repaired principal for dav share {id} from {old} to {new}', $logParameters);
} catch (Exception $e) {
$logParameters['message'] = $e->getMessage();
$logParameters['exception'] = $e;
$this->logger->info('Could not repair principal for dav share {id} from {old} to {new}: {message}', $logParameters);
}
}
return true;
}
/**
* @inheritDoc
*/
public function run(IOutput $output) {
$versionFromBeforeUpdate = $this->config->getSystemValue('version', '0.0.0');
if (version_compare($versionFromBeforeUpdate, '20.0.7', '<')
&& $this->repairUnencodedGroupShares()
) {
$output->info('Repaired DAV group shares');
}
}
}
|
