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| 1 | <?php |
| 2 | /** |
| 3 | * Delete archived (non-current) files from storage |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 18 | * http://www.gnu.org/copyleft/gpl.html |
| 19 | * |
| 20 | * @file |
| 21 | * @ingroup Maintenance |
| 22 | */ |
| 23 | |
| 24 | use MediaWiki\FileRepo\File\FileSelectQueryBuilder; |
| 25 | use MediaWiki\Maintenance\Maintenance; |
| 26 | |
| 27 | // @codeCoverageIgnoreStart |
| 28 | require_once __DIR__ . '/Maintenance.php'; |
| 29 | // @codeCoverageIgnoreEnd |
| 30 | |
| 31 | /** |
| 32 | * Maintenance script to delete archived (non-current) files from storage. |
| 33 | * |
| 34 | * @todo Maybe add some simple logging |
| 35 | * |
| 36 | * @ingroup Maintenance |
| 37 | * @since 1.22 |
| 38 | */ |
| 39 | class EraseArchivedFile extends Maintenance { |
| 40 | public function __construct() { |
| 41 | parent::__construct(); |
| 42 | $this->addDescription( 'Erases traces of deleted files.' ); |
| 43 | $this->addOption( 'delete', 'Perform the deletion' ); |
| 44 | $this->addOption( 'filename', 'File name', false, true ); |
| 45 | $this->addOption( 'filekey', 'File storage key (with extension) or "*"', true, true ); |
| 46 | } |
| 47 | |
| 48 | public function execute() { |
| 49 | if ( !$this->hasOption( 'delete' ) ) { |
| 50 | $this->output( "Use --delete to actually confirm this script\n" ); |
| 51 | } |
| 52 | |
| 53 | $filekey = $this->getOption( 'filekey' ); |
| 54 | $filename = $this->getOption( 'filename' ); |
| 55 | |
| 56 | if ( $filekey === '*' ) { |
| 57 | // all versions by name |
| 58 | if ( !strlen( $filename ) ) { |
| 59 | $this->fatalError( "Missing --filename parameter." ); |
| 60 | } |
| 61 | $afile = false; |
| 62 | } else { |
| 63 | // specified version |
| 64 | $dbw = $this->getPrimaryDB(); |
| 65 | $queryBuilder = FileSelectQueryBuilder::newForArchivedFile( $dbw ); |
| 66 | $queryBuilder->where( [ 'fa_storage_group' => 'deleted', 'fa_storage_key' => $filekey ] ); |
| 67 | $row = $queryBuilder->caller( __METHOD__ )->fetchRow(); |
| 68 | |
| 69 | if ( !$row ) { |
| 70 | $this->fatalError( "No deleted file exists with key '$filekey'." ); |
| 71 | } |
| 72 | $filename = $row->fa_name; |
| 73 | $afile = ArchivedFile::newFromRow( $row ); |
| 74 | } |
| 75 | |
| 76 | $file = $this->getServiceContainer()->getRepoGroup()->getLocalRepo()->newFile( $filename ); |
| 77 | if ( $file->exists() ) { |
| 78 | $this->fatalError( "File '$filename' is still a public file, use the delete form.\n" ); |
| 79 | } |
| 80 | |
| 81 | $this->output( "Purging all thumbnails for file '$filename'..." ); |
| 82 | $file->purgeCache(); |
| 83 | $this->output( "done.\n" ); |
| 84 | |
| 85 | if ( $afile instanceof ArchivedFile ) { |
| 86 | $this->scrubVersion( $afile ); |
| 87 | } else { |
| 88 | $this->output( "Finding deleted versions of file '$filename'...\n" ); |
| 89 | $this->scrubAllVersions( $filename ); |
| 90 | $this->output( "Done\n" ); |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | protected function scrubAllVersions( $name ) { |
| 95 | $dbw = $this->getPrimaryDB(); |
| 96 | $queryBuilder = FileSelectQueryBuilder::newForArchivedFile( $dbw ); |
| 97 | $queryBuilder->where( [ 'fa_name' => $name, 'fa_storage_group' => 'deleted' ] ); |
| 98 | $res = $queryBuilder->caller( __METHOD__ )->fetchResultSet(); |
| 99 | foreach ( $res as $row ) { |
| 100 | $this->scrubVersion( ArchivedFile::newFromRow( $row ) ); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | protected function scrubVersion( ArchivedFile $archivedFile ) { |
| 105 | $key = $archivedFile->getStorageKey(); |
| 106 | $name = $archivedFile->getName(); |
| 107 | $ts = $archivedFile->getTimestamp(); |
| 108 | $repo = $this->getServiceContainer()->getRepoGroup()->getLocalRepo(); |
| 109 | $path = $repo->getZonePath( 'deleted' ) . '/' . $repo->getDeletedHashPath( $key ) . $key; |
| 110 | if ( $this->hasOption( 'delete' ) ) { |
| 111 | $status = $repo->getBackend()->delete( [ 'src' => $path ] ); |
| 112 | if ( $status->isOK() ) { |
| 113 | $this->output( "Deleted version '$key' ($ts) of file '$name'\n" ); |
| 114 | } else { |
| 115 | $this->output( "Failed to delete version '$key' ($ts) of file '$name'\n" ); |
| 116 | $this->error( $status ); |
| 117 | } |
| 118 | } else { |
| 119 | $this->output( "Would delete version '{$key}' ({$ts}) of file '$name'\n" ); |
| 120 | } |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | // @codeCoverageIgnoreStart |
| 125 | $maintClass = EraseArchivedFile::class; |
| 126 | require_once RUN_MAINTENANCE_IF_MAIN; |
| 127 | // @codeCoverageIgnoreEnd |