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<?php
/*
* Script to clean up broken, unparseable upload filenames.
*
* Usage: php cleanupImages.php [--fix]
* Options:
* --fix Actually clean up titles; otherwise just checks for them
*
* Copyright (C) 2005-2006 Brion Vibber <brion@pobox.com>
* http://www.mediawiki.org/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @author Brion Vibber <brion at pobox.com>
* @package MediaWiki
* @subpackage maintenance
*/
require_once( 'commandLine.inc' );
require_once( 'cleanupTable.inc' );
class ImageCleanup extends TableCleanup {
function __construct( $dryrun = false ) {
parent::__construct( 'image', $dryrun );
}
function processPage( $row ) {
global $wgContLang;
$source = $row->img_name;
if( $source == '' ) {
// Ye olde empty rows. Just kill them.
$this->killRow( $source );
return $this->progress( 1 );
}
$cleaned = $source;
// About half of old bad image names have percent-codes
$cleaned = rawurldecode( $cleaned );
// Some are old latin-1
$cleaned = $wgContLang->checkTitleEncoding( $cleaned );
// Many of remainder look like non-normalized unicode
$cleaned = UtfNormal::cleanUp( $cleaned );
$title = Title::makeTitleSafe( NS_IMAGE, $cleaned );
if( is_null( $title ) ) {
$this->log( "page $source ($cleaned) is illegal." );
$safe = $this->buildSafeTitle( $cleaned );
$this->pokeFile( $source, $safe );
return $this->progress( 1 );
}
if( $title->getDbKey() !== $source ) {
$munged = $title->getDbKey();
$this->log( "page $source ($munged) doesn't match self." );
$this->pokeFile( $source, $munged );
return $this->progress( 1 );
}
$this->progress( 0 );
}
function killRow( $name ) {
if( $this->dryrun ) {
$this->log( "DRY RUN: would delete bogus row '$name'" );
} else {
$this->log( "deleting bogus row '$name'" );
$db = wfGetDB( DB_MASTER );
$db->delete( 'image',
array( 'img_name' => $name ),
__METHOD__ );
}
}
function filePath( $name ) {
return wfImageDir( $name ) . "/$name";
}
function pokeFile( $orig, $new ) {
$path = $this->filePath( $orig );
if( !file_exists( $path ) ) {
$this->log( "missing file: $path" );
return $this->killRow( $orig );
}
$db = wfGetDB( DB_MASTER );
$version = 0;
$final = $new;
while( $db->selectField( 'image', 'img_name',
array( 'img_name' => $final ), __METHOD__ ) ) {
$this->log( "Rename conflicts with '$final'..." );
$version++;
$final = $this->appendTitle( $new, "_$version" );
}
$finalPath = $this->filePath( $final );
if( $this->dryrun ) {
$this->log( "DRY RUN: would rename $path to $finalPath" );
} else {
$this->log( "renaming $path to $finalPath" );
$db->begin();
$db->update( 'image',
array( 'img_name' => $final ),
array( 'img_name' => $orig ),
__METHOD__ );
$dir = dirname( $finalPath );
if( !file_exists( $dir ) ) {
if( !mkdir( $dir, 0777, true ) ) {
$this->log( "RENAME FAILED, COULD NOT CREATE $dir" );
$db->rollback();
return;
}
}
if( rename( $path, $finalPath ) ) {
$db->commit();
} else {
$this->log( "RENAME FAILED" );
$db->rollback();
}
}
}
function appendTitle( $name, $suffix ) {
return preg_replace( '/^(.*)(\..*?)$/',
"\\1$suffix\\2", $name );
}
function buildSafeTitle( $name ) {
global $wgLegalTitleChars;
$x = preg_replace_callback(
"/([^$wgLegalTitleChars])/",
array( $this, 'hexChar' ),
$name );
$test = Title::makeTitleSafe( NS_IMAGE, $x );
if( is_null( $test ) || $test->getDbKey() !== $x ) {
$this->log( "Unable to generate safe title from '$name', got '$x'" );
return false;
}
return $x;
}
}
$wgUser->setName( 'Conversion script' );
$caps = new ImageCleanup( !isset( $options['fix'] ) );
$caps->cleanup();
?>
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