forked from Cyber/archwiki
136 lines
3.9 KiB
PHP
136 lines
3.9 KiB
PHP
<?php
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/**
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* Delete archived (non-current) files from the database
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*
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* Based on deleteOldRevisions.php by Rob Church.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Maintenance
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*/
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use MediaWiki\MediaWikiServices;
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require_once __DIR__ . '/Maintenance.php';
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/**
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* Maintenance script to delete archived (non-current) files from the database.
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*
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* @ingroup Maintenance
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*/
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class DeleteArchivedFiles extends Maintenance {
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public function __construct() {
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parent::__construct();
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$this->addDescription( 'Deletes all archived images.' );
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$this->addOption( 'delete', 'Perform the deletion' );
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$this->addOption( 'force', 'Force deletion of rows from filearchive' );
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}
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public function execute() {
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if ( !$this->hasOption( 'delete' ) ) {
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$this->output( "Use --delete to actually confirm this script\n" );
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return;
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}
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# Data should come off the master, wrapped in a transaction
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$dbw = $this->getDB( DB_PRIMARY );
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$this->beginTransaction( $dbw, __METHOD__ );
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$repo = MediaWikiServices::getInstance()->getRepoGroup()->getLocalRepo();
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# Get "active" revisions from the filearchive table
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$this->output( "Searching for and deleting archived files...\n" );
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$res = $dbw->select(
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'filearchive',
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[ 'fa_id', 'fa_storage_group', 'fa_storage_key', 'fa_sha1', 'fa_name' ],
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'',
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__METHOD__
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);
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$count = 0;
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foreach ( $res as $row ) {
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$key = $row->fa_storage_key;
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if ( !strlen( $key ) ) {
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$this->output( "Entry with ID {$row->fa_id} has empty key, skipping\n" );
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continue;
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}
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$file = $repo->newFile( $row->fa_name );
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try {
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$file->lock();
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} catch ( LocalFileLockError $e ) {
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$this->error( "Could not acquire lock on '{$row->fa_name}', skipping\n" );
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continue;
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}
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$group = $row->fa_storage_group;
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$id = $row->fa_id;
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$path = $repo->getZonePath( 'deleted' ) .
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'/' . $repo->getDeletedHashPath( $key ) . $key;
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if ( isset( $row->fa_sha1 ) ) {
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$sha1 = $row->fa_sha1;
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} else {
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// old row, populate from key
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$sha1 = LocalRepo::getHashFromKey( $key );
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}
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// Check if the file is used anywhere...
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$inuse = (bool)$dbw->selectField( 'oldimage', '1',
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[
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'oi_sha1' => $sha1,
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$dbw->bitAnd( 'oi_deleted', File::DELETED_FILE ) => File::DELETED_FILE
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],
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__METHOD__,
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[ 'FOR UPDATE' ]
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);
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$needForce = true;
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if ( !$repo->fileExists( $path ) ) {
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$this->output( "Notice - file '$key' not found in group '$group'\n" );
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} elseif ( $inuse ) {
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$this->output( "Notice - file '$key' is still in use\n" );
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} elseif ( !$repo->quickPurge( $path ) ) {
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$this->output( "Unable to remove file $path, skipping\n" );
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$file->unlock();
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// don't delete even with --force
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continue;
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} else {
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$needForce = false;
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}
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if ( $needForce ) {
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if ( $this->hasOption( 'force' ) ) {
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$this->output( "Got --force, deleting DB entry\n" );
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} else {
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$file->unlock();
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continue;
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}
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}
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$count++;
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$dbw->delete( 'filearchive', [ 'fa_id' => $id ], __METHOD__ );
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$file->unlock();
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}
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$this->commitTransaction( $dbw, __METHOD__ );
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$this->output( "Done! [$count file(s)]\n" );
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}
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}
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$maintClass = DeleteArchivedFiles::class;
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require_once RUN_MAINTENANCE_IF_MAIN;
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