maintenance/fixExtLinksProtocolRelative.php

   1 <?php
   2 /**
   3  * Fixes any entries for protocol-relative URLs in the externallinks table,
   4  * replacing each protocol-relative entry with two entries, one for http
   5  * and one for https.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  20  * http://www.gnu.org/copyleft/gpl.html
  21  *
  22  * @file
  23  * @ingroup Maintenance
  24  */
  25
  26 require_once( dirname( __FILE__ ) . '/Maintenance.php' );
  27
  28 /**
  29  * Maintenance script that fixes any entriy for protocol-relative URLs
  30  * in the externallinks table.
  31  *
  32  * @ingroup Maintenance
  33  */
  34 class FixExtLinksProtocolRelative extends LoggedUpdateMaintenance {
  35         public function __construct() {
  36                 parent::__construct();
  37                 $this->mDescription = "Fixes any entries in the externallinks table containing protocol-relative URLs";
  38         }
  39
  40         protected function getUpdateKey() {
  41                 return 'fix protocol-relative URLs in externallinks';
  42         }
  43
  44         protected function updateSkippedMessage() {
  45                 return 'protocol-relative URLs in externallinks table already fixed.';
  46         }
  47
  48         protected function doDBUpdates() {
  49                 $db = wfGetDB( DB_MASTER );
  50                 if ( !$db->tableExists( 'externallinks' ) ) {
  51                         $this->error( "externallinks table does not exist" );
  52                         return false;
  53                 }
  54                 $this->output( "Fixing protocol-relative entries in the externallinks table...\n" );
  55                 $res = $db->select( 'externallinks', array( 'el_from', 'el_to', 'el_index' ),
  56                         array( 'el_index' . $db->buildLike( '//', $db->anyString() ) ),
  57                         __METHOD__
  58                 );
  59                 $count = 0;
  60                 foreach ( $res as $row ) {
  61                         $count++;
  62                         if ( $count % 100 == 0 ) {
  63                                 $this->output( $count . "\n" );
  64                                 wfWaitForSlaves();
  65                         }
  66                         $db->insert( 'externallinks',
  67                                 array(
  68                                         array(
  69                                                 'el_from' => $row->el_from,
  70                                                 'el_to' => $row->el_to,
  71                                                 'el_index' => "http:{$row->el_index}",
  72                                         ),
  73                                         array(
  74                                                 'el_from' => $row->el_from,
  75                                                 'el_to' => $row->el_to,
  76                                                 'el_index' => "https:{$row->el_index}",
  77                                         )
  78                                 ), __METHOD__, array( 'IGNORE' )
  79                         );
  80                         $db->delete( 'externallinks', array( 'el_index' => $row->el_index, 'el_from' => $row->el_from, 'el_to' => $row->el_to ), __METHOD__ );
  81                 }
  82                 $this->output( "Done, $count rows updated.\n" );
  83                 return true;
  84         }
  85 }
  86
  87 $maintClass = "FixExtLinksProtocolRelative";
  88 require_once( RUN_MAINTENANCE_IF_MAIN );