fixExtLinksProtocolRelative.php

Go to the documentation of this file.

<?php
require_once __DIR__ . '/Maintenance.php';
 
use MediaWiki\MediaWikiServices;
 
class FixExtLinksProtocolRelative extends LoggedUpdateMaintenance {
    public function __construct() {
        parent::__construct();
        $this->addDescription(
            'Fixes any entries in the externallinks table containing protocol-relative URLs' );
    }
 
    protected function getUpdateKey() {
        return 'fix protocol-relative URLs in externallinks';
    }
 
    protected function updateSkippedMessage() {
        return 'protocol-relative URLs in externallinks table already fixed.';
    }
 
    protected function doDBUpdates() {
        $db = $this->getDB( DB_MASTER );
        if ( !$db->tableExists( 'externallinks', __METHOD__ ) ) {
            $this->error( "externallinks table does not exist" );
 
            return false;
        }
        $this->output( "Fixing protocol-relative entries in the externallinks table...\n" );
        $res = $db->select( 'externallinks', [ 'el_from', 'el_to', 'el_index' ],
            [ 'el_index' . $db->buildLike( '//', $db->anyString() ) ],
            __METHOD__
        );
        $count = 0;
        $lbFactory = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
        foreach ( $res as $row ) {
            $count++;
            if ( $count % 100 == 0 ) {
                $this->output( $count . "\n" );
                $lbFactory->waitForReplication();
            }
            $db->insert( 'externallinks',
                [
                    [
                        'el_from' => $row->el_from,
                        'el_to' => $row->el_to,
                        'el_index' => "http:{$row->el_index}",
                        'el_index_60' => substr( "http:{$row->el_index}", 0, 60 ),
                    ],
                    [
                        'el_from' => $row->el_from,
                        'el_to' => $row->el_to,
                        'el_index' => "https:{$row->el_index}",
                        'el_index_60' => substr( "https:{$row->el_index}", 0, 60 ),
                    ]
                ], __METHOD__, [ 'IGNORE' ]
            );
            $db->delete(
                'externallinks',
                [
                    'el_index' => $row->el_index,
                    'el_from' => $row->el_from,
                    'el_to' => $row->el_to
                ],
                __METHOD__
            );
        }
        $this->output( "Done, $count rows updated.\n" );
 
        return true;
    }
}
 
$maintClass = FixExtLinksProtocolRelative::class;
require_once RUN_MAINTENANCE_IF_MAIN;