maintenance/cleanupTitles.php

   1 <?php
   2 /*
   3  * Script to clean up broken, unparseable titles.
   4  *
   5  * Usage: php cleanupTitles.php [--fix]
   6  * Options:
   7  *   --fix  Actually clean up titles; otherwise just checks for them
   8  *
   9  * Copyright (C) 2005 Brion Vibber <brion@pobox.com>
  10  * http://www.mediawiki.org/
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License along
  23  * with this program; if not, write to the Free Software Foundation, Inc.,
  24  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  25  * http://www.gnu.org/copyleft/gpl.html
  26  *
  27  * @file
  28  * @author Brion Vibber <brion at pobox.com>
  29  * @ingroup Maintenance
  30  */
  31
  32 require_once( 'commandLine.inc' );
  33 require_once( 'cleanupTable.inc' );
  34
  35 /**
  36  * @ingroup Maintenance
  37  */
  38 class TitleCleanup extends TableCleanup {
  39         function __construct( $dryrun = false ) {
  40                 parent::__construct( 'page', $dryrun );
  41         }
  42
  43         function processPage( $row ) {
  44                 $current = Title::makeTitle( $row->page_namespace, $row->page_title );
  45                 $display = $current->getPrefixedText();
  46
  47                 $verified = UtfNormal::cleanUp( $display );
  48
  49                 $title = Title::newFromText( $verified );
  50
  51                 if( !is_null( $title ) && $title->equals( $current ) && $title->canExist() ) {
  52                         return $this->progress( 0 );  // all is fine
  53                 }
  54
  55                 if( $row->page_namespace == NS_FILE && $this->fileExists( $row->page_title ) ) {
  56                         $this->log( "file $row->page_title needs cleanup, please run cleanupImages.php." );
  57                         return $this->progress( 0 );
  58                 } elseif( is_null( $title ) ) {
  59                         $this->log( "page $row->page_id ($display) is illegal." );
  60                         $this->moveIllegalPage( $row );
  61                         return $this->progress( 1 );
  62                 } else {
  63                         $this->log( "page $row->page_id ($display) doesn't match self." );
  64                         $this->moveInconsistentPage( $row, $title );
  65                         return $this->progress( 1 );
  66                 }
  67         }
  68
  69         function fileExists( $name ) {
  70                 // XXX: Doesn't actually check for file existence, just presence of image record.
  71                 // This is reasonable, since cleanupImages.php only iterates over the image table.
  72                 $dbr = wfGetDB( DB_SLAVE );
  73                 $row = $dbr->selectRow( 'image', array( 'img_name' ), array( 'img_name' => $name ), __METHOD__ );
  74                 return $row !== false;
  75         }
  76
  77         function moveIllegalPage( $row ) {
  78                 $legal = 'A-Za-z0-9_/\\\\-';
  79                 $legalized = preg_replace_callback( "!([^$legal])!",
  80                         array( &$this, 'hexChar' ),
  81                         $row->page_title );
  82                 if( $legalized == '.' ) $legalized = '(dot)';
  83                 if( $legalized == '_' ) $legalized = '(space)';
  84                 $legalized = 'Broken/' . $legalized;
  85
  86                 $title = Title::newFromText( $legalized );
  87                 if( is_null( $title ) ) {
  88                         $clean = 'Broken/id:' . $row->page_id;
  89                         $this->log( "Couldn't legalize; form '$legalized' still invalid; using '$clean'" );
  90                         $title = Title::newFromText( $clean );
  91                 } elseif( $title->exists() ) {
  92                         $clean = 'Broken/id:' . $row->page_id;
  93                         $this->log( "Legalized for '$legalized' exists; using '$clean'" );
  94                         $title = Title::newFromText( $clean );
  95                 }
  96
  97                 $dest = $title->getDBkey();
  98                 if( $this->dryrun ) {
  99                         $this->log( "DRY RUN: would rename $row->page_id ($row->page_namespace,'$row->page_title') to ($row->page_namespace,'$dest')" );
 100                 } else {
 101                         $this->log( "renaming $row->page_id ($row->page_namespace,'$row->page_title') to ($row->page_namespace,'$dest')" );
 102                         $dbw = wfGetDB( DB_MASTER );
 103                         $dbw->update( 'page',
 104                                 array( 'page_title' => $dest ),
 105                                 array( 'page_id' => $row->page_id ),
 106                                 'cleanupTitles::moveInconsistentPage' );
 107                 }
 108         }
 109
 110         function moveInconsistentPage( $row, $title ) {
 111                 if( $title->exists() || $title->getInterwiki() ) {
 112                         if( $title->getInterwiki() ) {
 113                                 $prior = $title->getPrefixedDbKey();
 114                         } else {
 115                                 $prior = $title->getDBkey();
 116                         }
 117                         $clean = 'Broken/' . $prior;
 118                         $verified = Title::makeTitleSafe( $row->page_namespace, $clean );
 119                         if( $verified->exists() ) {
 120                                 $blah = "Broken/id:" . $row->page_id;
 121                                 $this->log( "Couldn't legalize; form '$clean' exists; using '$blah'" );
 122                                 $verified = Title::makeTitleSafe( $row->page_namespace, $blah );
 123                         }
 124                         $title = $verified;
 125                 }
 126                 if( is_null( $title ) ) {
 127                         wfDie( "Something awry; empty title.\n" );
 128                 }
 129                 $ns = $title->getNamespace();
 130                 $dest = $title->getDBkey();
 131                 if( $this->dryrun ) {
 132                         $this->log( "DRY RUN: would rename $row->page_id ($row->page_namespace,'$row->page_title') to ($row->page_namespace,'$dest')" );
 133                 } else {
 134                         $this->log( "renaming $row->page_id ($row->page_namespace,'$row->page_title') to ($ns,'$dest')" );
 135                         $dbw = wfGetDB( DB_MASTER );
 136                         $dbw->update( 'page',
 137                                 array(
 138                                         'page_namespace' => $ns,
 139                                         'page_title' => $dest
 140                                 ),
 141                                 array( 'page_id' => $row->page_id ),
 142                                 'cleanupTitles::moveInconsistentPage' );
 143                         $linkCache = LinkCache::singleton();
 144                         $linkCache->clear();
 145                 }
 146         }
 147 }
 148
 149 $wgUser->setName( 'Conversion script' );
 150 $caps = new TitleCleanup( !isset( $options['fix'] ) );
 151 $caps->cleanup();
 152
 153