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1 | <?php |
2 | /** |
3 | * This program is free software; you can redistribute it and/or modify |
4 | * it under the terms of the GNU General Public License as published by |
5 | * the Free Software Foundation; either version 2 of the License, or |
6 | * (at your option) any later version. |
7 | * |
8 | * This program is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
11 | * GNU General Public License for more details. |
12 | * |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
16 | * http://www.gnu.org/copyleft/gpl.html |
17 | * |
18 | * @file |
19 | */ |
20 | |
21 | use MediaWiki\Title\Title; |
22 | use Wikimedia\Rdbms\OrExpressionGroup; |
23 | |
24 | require_once __DIR__ . '/Maintenance.php'; |
25 | |
26 | class FindOrphanedFiles extends Maintenance { |
27 | public function __construct() { |
28 | parent::__construct(); |
29 | |
30 | $this->addDescription( "Find unregistered files in the 'public' repo zone." ); |
31 | $this->addOption( 'subdir', |
32 | 'Only scan files in this subdirectory (e.g. "a/a0")', false, true ); |
33 | $this->addOption( 'verbose', "Mention file paths checked" ); |
34 | $this->setBatchSize( 500 ); |
35 | } |
36 | |
37 | public function execute() { |
38 | $subdir = $this->getOption( 'subdir', '' ); |
39 | $verbose = $this->hasOption( 'verbose' ); |
40 | |
41 | $repo = $this->getServiceContainer()->getRepoGroup()->getLocalRepo(); |
42 | if ( $repo->hasSha1Storage() ) { |
43 | $this->fatalError( "Local repo uses SHA-1 file storage names; aborting." ); |
44 | } |
45 | |
46 | $directory = $repo->getZonePath( 'public' ); |
47 | if ( $subdir != '' ) { |
48 | $directory .= "/$subdir/"; |
49 | } |
50 | |
51 | if ( $verbose ) { |
52 | $this->output( "Scanning files under $directory:\n" ); |
53 | } |
54 | |
55 | $list = $repo->getBackend()->getFileList( [ 'dir' => $directory ] ); |
56 | if ( $list === null ) { |
57 | $this->fatalError( "Could not get file listing." ); |
58 | } |
59 | |
60 | $pathBatch = []; |
61 | foreach ( $list as $path ) { |
62 | if ( preg_match( '#^(thumb|deleted)/#', $path ) ) { |
63 | continue; // handle ugly nested containers on stock installs |
64 | } |
65 | |
66 | $pathBatch[] = $path; |
67 | if ( count( $pathBatch ) >= $this->getBatchSize() ) { |
68 | $this->checkFiles( $repo, $pathBatch, $verbose ); |
69 | $pathBatch = []; |
70 | } |
71 | } |
72 | $this->checkFiles( $repo, $pathBatch, $verbose ); |
73 | } |
74 | |
75 | protected function checkFiles( LocalRepo $repo, array $paths, $verbose ) { |
76 | if ( !count( $paths ) ) { |
77 | return; |
78 | } |
79 | |
80 | $dbr = $repo->getReplicaDB(); |
81 | |
82 | $curNames = []; |
83 | $oldNames = []; |
84 | $imgIN = []; |
85 | $oiWheres = []; |
86 | foreach ( $paths as $path ) { |
87 | $name = basename( $path ); |
88 | if ( preg_match( '#^archive/#', $path ) ) { |
89 | if ( $verbose ) { |
90 | $this->output( "Checking old file $name\n" ); |
91 | } |
92 | |
93 | $oldNames[] = $name; |
94 | [ , $base ] = explode( '!', $name, 2 ); // <TS_MW>!<img_name> |
95 | $oiWheres[] = $dbr->expr( 'oi_name', '=', $base )->and( 'oi_archive_name', '=', $name ); |
96 | } else { |
97 | if ( $verbose ) { |
98 | $this->output( "Checking current file $name\n" ); |
99 | } |
100 | |
101 | $curNames[] = $name; |
102 | $imgIN[] = $name; |
103 | } |
104 | } |
105 | $uqb = $dbr->newUnionQueryBuilder(); |
106 | $uqb->add( |
107 | $dbr->newSelectQueryBuilder() |
108 | ->select( [ 'name' => 'img_name', 'old' => '0' ] ) |
109 | ->from( 'image' ) |
110 | ->where( $imgIN ? [ 'img_name' => $imgIN ] : '1=0' ) |
111 | ); |
112 | $uqb->add( |
113 | $dbr->newSelectQueryBuilder() |
114 | ->select( [ 'name' => 'oi_archive_name', 'old' => '1' ] ) |
115 | ->from( 'oldimage' ) |
116 | ->where( $oiWheres ? new OrExpressionGroup( ...$oiWheres ) : '1=0' ) |
117 | ); |
118 | |
119 | $res = $uqb->all()->caller( __METHOD__ )->fetchResultSet(); |
120 | |
121 | $curNamesFound = []; |
122 | $oldNamesFound = []; |
123 | foreach ( $res as $row ) { |
124 | if ( $row->old ) { |
125 | $oldNamesFound[] = $row->name; |
126 | } else { |
127 | $curNamesFound[] = $row->name; |
128 | } |
129 | } |
130 | |
131 | foreach ( array_diff( $curNames, $curNamesFound ) as $name ) { |
132 | $file = $repo->newFile( $name ); |
133 | // Print name and public URL to ease recovery |
134 | if ( $file ) { |
135 | $this->output( $name . "\n" . $file->getCanonicalUrl() . "\n\n" ); |
136 | } else { |
137 | $this->error( "Cannot get URL for bad file title '$name'" ); |
138 | } |
139 | } |
140 | |
141 | foreach ( array_diff( $oldNames, $oldNamesFound ) as $name ) { |
142 | [ , $base ] = explode( '!', $name, 2 ); // <TS_MW>!<img_name> |
143 | $file = $repo->newFromArchiveName( Title::makeTitle( NS_FILE, $base ), $name ); |
144 | // Print name and public URL to ease recovery |
145 | $this->output( $name . "\n" . $file->getCanonicalUrl() . "\n\n" ); |
146 | } |
147 | } |
148 | } |
149 | |
150 | $maintClass = FindOrphanedFiles::class; |
151 | require_once RUN_MAINTENANCE_IF_MAIN; |