maintenance/deleteSelfExternals.php

   1 <?php
   2 /**
   3  * Delete self-references to $wgServer from the externallinks table.
   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 require_once __DIR__ . '/Maintenance.php';
  25
  26 /**
  27  * Maintenance script that deletes self-references to $wgServer
  28  * from the externallinks table.
  29  *
  30  * @ingroup Maintenance
  31  */
  32 class DeleteSelfExternals extends Maintenance {
  33         public function __construct() {
  34                 parent::__construct();
  35                 $this->addDescription( 'Delete self-references to $wgServer from externallinks' );
  36                 $this->setBatchSize( 1000 );
  37         }
  38
  39         public function execute() {
  40                 global $wgServer;
  41
  42                 // Extract the host and scheme from $wgServer
  43                 $bits = wfParseUrl( $wgServer );
  44                 if ( !$bits ) {
  45                         $this->error( 'Could not parse $wgServer' );
  46                         exit( 1 );
  47                 }
  48
  49                 $this->output( "Deleting self externals from $wgServer\n" );
  50                 $db = $this->getDB( DB_MASTER );
  51
  52                 // If it's protocol-relative, we need to do both http and https.
  53                 // Otherwise, just do the specified scheme.
  54                 $host = $bits['host'];
  55                 if ( isset( $bits['port'] ) ) {
  56                         $host .= ':' . $bits['port'];
  57                 }
  58                 if ( $bits['scheme'] != '' ) {
  59                         $conds = [ LinkFilter::getQueryConditions( $host, [ 'protocol' => $bits['scheme'] . '://' ] ) ];
  60                 } else {
  61                         $conds = [
  62                                 LinkFilter::getQueryConditions( $host, [ 'protocol' => 'http://' ] ),
  63                                 LinkFilter::getQueryConditions( $host, [ 'protocol' => 'https://' ] ),
  64                         ];
  65                 }
  66
  67                 foreach ( $conds as $cond ) {
  68                         if ( !$cond ) {
  69                                 continue;
  70                         }
  71                         $cond = $db->makeList( $cond, LIST_AND );
  72                         do {
  73                                 $this->commitTransaction( $db, __METHOD__ );
  74                                 $q = $db->limitResult( "DELETE /* deleteSelfExternals */ FROM externallinks WHERE $cond",
  75                                         $this->mBatchSize );
  76                                 $this->output( "Deleting a batch\n" );
  77                                 $db->query( $q );
  78                         } while ( $db->affectedRows() );
  79                 }
  80         }
  81 }
  82
  83 $maintClass = DeleteSelfExternals::class;
  84 require_once RUN_MAINTENANCE_IF_MAIN;