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| 1 | <?php |
| 2 | /** |
| 3 | * Check that pages marked as being redirects really are. |
| 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\Revision\SlotRecord; |
| 25 | use MediaWiki\Title\Title; |
| 26 | |
| 27 | require_once __DIR__ . '/Maintenance.php'; |
| 28 | |
| 29 | /** |
| 30 | * Maintenance script to check that pages marked as being redirects really are. |
| 31 | * |
| 32 | * @ingroup Maintenance |
| 33 | */ |
| 34 | class CheckBadRedirects extends Maintenance { |
| 35 | public function __construct() { |
| 36 | parent::__construct(); |
| 37 | $this->addDescription( 'Check for bad redirects' ); |
| 38 | } |
| 39 | |
| 40 | public function execute() { |
| 41 | $this->output( "Fetching redirects...\n" ); |
| 42 | $dbr = $this->getReplicaDB(); |
| 43 | $result = $dbr->newSelectQueryBuilder() |
| 44 | ->select( [ 'page_namespace', 'page_title', 'page_latest' ] ) |
| 45 | ->from( 'page' ) |
| 46 | ->where( [ 'page_is_redirect' => 1 ] ) |
| 47 | ->caller( __METHOD__ ) |
| 48 | ->fetchResultSet(); |
| 49 | |
| 50 | $count = $result->numRows(); |
| 51 | $this->output( "Found $count redirects.\n" . |
| 52 | "Checking for bad redirects:\n\n" ); |
| 53 | |
| 54 | $revLookup = $this->getServiceContainer()->getRevisionLookup(); |
| 55 | foreach ( $result as $row ) { |
| 56 | $title = Title::makeTitle( $row->page_namespace, $row->page_title ); |
| 57 | $revRecord = $revLookup->getRevisionById( $row->page_latest ); |
| 58 | if ( $revRecord ) { |
| 59 | $target = $revRecord->getContent( SlotRecord::MAIN )->getRedirectTarget(); |
| 60 | if ( !$target ) { |
| 61 | $this->output( $title->getPrefixedText() . "\n" ); |
| 62 | } |
| 63 | } |
| 64 | } |
| 65 | $this->output( "\nDone.\n" ); |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | $maintClass = CheckBadRedirects::class; |
| 70 | require_once RUN_MAINTENANCE_IF_MAIN; |