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
|
<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2021 Robin Appelman <robin@icewind.nl>
*
* @author Robin Appelman <robin@icewind.nl>
*
* @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 OCA\Files\Command;
use OCP\IDBConnection;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
class RepairTree extends Command {
public const CHUNK_SIZE = 200;
/**
* @var IDBConnection
*/
protected $connection;
public function __construct(IDBConnection $connection) {
$this->connection = $connection;
parent::__construct();
}
protected function configure() {
$this
->setName('files:repair-tree')
->setDescription('Try and repair malformed filesystem tree structures')
->addOption('dry-run');
}
public function execute(InputInterface $input, OutputInterface $output): int {
$rows = $this->findBrokenTreeBits();
$fix = !$input->getOption('dry-run');
$output->writeln("Found " . count($rows) . " file entries with an invalid path");
if ($fix) {
$this->connection->beginTransaction();
}
$query = $this->connection->getQueryBuilder();
$query->update('filecache')
->set('path', $query->createParameter('path'))
->set('path_hash', $query->func()->md5($query->createParameter('path')))
->set('storage', $query->createParameter('storage'))
->where($query->expr()->eq('fileid', $query->createParameter('fileid')));
foreach ($rows as $row) {
$output->writeln("Path of file ${row['fileid']} is ${row['path']} but should be ${row['parent_path']}/${row['name']} based on it's parent", OutputInterface::VERBOSITY_VERBOSE);
if ($fix) {
$fileId = $this->getFileId((int)$row['parent_storage'], $row['parent_path'] . '/' . $row['name']);
if ($fileId > 0) {
$output->writeln("Cache entry has already be recreated with id $fileId, deleting instead");
$this->deleteById((int)$row['fileid']);
} else {
$query->setParameters([
'fileid' => $row['fileid'],
'path' => $row['parent_path'] . '/' . $row['name'],
'storage' => $row['parent_storage'],
]);
$query->execute();
}
}
}
if ($fix) {
$this->connection->commit();
}
return 0;
}
private function getFileId(int $storage, string $path) {
$query = $this->connection->getQueryBuilder();
$query->select('fileid')
->from('filecache')
->where($query->expr()->eq('storage', $query->createNamedParameter($storage)))
->andWhere($query->expr()->eq('path_hash', $query->createNamedParameter(md5($path))));
return $query->execute()->fetch(\PDO::FETCH_COLUMN);
}
private function deleteById(int $fileId) {
$query = $this->connection->getQueryBuilder();
$query->delete('filecache')
->where($query->expr()->eq('fileid', $query->createNamedParameter($fileId)));
$query->execute();
}
private function findBrokenTreeBits(): array {
$query = $this->connection->getQueryBuilder();
$query->select('f.fileid', 'f.path', 'f.parent', 'f.name')
->selectAlias('p.path', 'parent_path')
->selectAlias('p.storage', 'parent_storage')
->from('filecache', 'f')
->innerJoin('f', 'filecache', 'p', $query->expr()->eq('f.parent', 'p.fileid'))
->where($query->expr()->orX(
$query->expr()->andX(
$query->expr()->neq('p.path_hash', $query->createNamedParameter(md5(''))),
$query->expr()->neq('f.path', $query->func()->concat('p.path', $query->func()->concat($query->createNamedParameter('/'), 'f.name')))
),
$query->expr()->andX(
$query->expr()->eq('p.path_hash', $query->createNamedParameter(md5(''))),
$query->expr()->neq('f.path', 'f.name')
),
$query->expr()->neq('f.storage', 'p.storage')
));
return $query->execute()->fetchAll();
}
}
|
