fixExtLinksProtocolRelative.php

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<?php
require_once( __DIR__ . '/Maintenance.php' );

class FixExtLinksProtocolRelative extends LoggedUpdateMaintenance {
        public function __construct() {
                parent::__construct();
                $this->mDescription = "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() {
                $db = wfGetDB( DB_MASTER );
                if ( !$db->tableExists( 'externallinks' ) ) {
                        $this->error( "externallinks table does not exist" );
                        return false;
                }
                $this->output( "Fixing protocol-relative entries in the externallinks table...\n" );
                $res = $db->select( 'externallinks', array( 'el_from', 'el_to', 'el_index' ),
                        array( 'el_index' . $db->buildLike( '//', $db->anyString() ) ),
                        __METHOD__
                );
                $count = 0;
                foreach ( $res as $row ) {
                        $count++;
                        if ( $count % 100 == 0 ) {
                                $this->output( $count . "\n" );
                                wfWaitForSlaves();
                        }
                        $db->insert( 'externallinks',
                                array(
                                        array(
                                                'el_from' => $row->el_from,
                                                'el_to' => $row->el_to,
                                                'el_index' => "http:{$row->el_index}",
                                        ),
                                        array(
                                                'el_from' => $row->el_from,
                                                'el_to' => $row->el_to,
                                                'el_index' => "https:{$row->el_index}",
                                        )
                                ), __METHOD__, array( 'IGNORE' )
                        );
                        $db->delete( 'externallinks', array( '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";
require_once( RUN_MAINTENANCE_IF_MAIN );