MediaWiki REL1_34
cleanupTitles.php
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1<?php
29
30require_once __DIR__ . '/cleanupTable.inc';
31
38 public function __construct() {
39 parent::__construct();
40 $this->addDescription( 'Script to clean up broken, unparseable titles' );
41 $this->batchSize = 1000;
42 }
43
47 protected function processRow( $row ) {
48 $display = Title::makeName( $row->page_namespace, $row->page_title );
49 $verified = MediaWikiServices::getInstance()->getContentLanguage()->normalize( $display );
50 $title = Title::newFromText( $verified );
51
52 if ( !is_null( $title )
53 && $title->canExist()
54 && $title->getNamespace() == $row->page_namespace
55 && $title->getDBkey() === $row->page_title
56 ) {
57 $this->progress( 0 ); // all is fine
58
59 return;
60 }
61
62 if ( $row->page_namespace == NS_FILE && $this->fileExists( $row->page_title ) ) {
63 $this->output( "file $row->page_title needs cleanup, please run cleanupImages.php.\n" );
64 $this->progress( 0 );
65 } elseif ( is_null( $title ) ) {
66 $this->output( "page $row->page_id ($display) is illegal.\n" );
67 $this->moveIllegalPage( $row );
68 $this->progress( 1 );
69 } else {
70 $this->output( "page $row->page_id ($display) doesn't match self.\n" );
71 $this->moveInconsistentPage( $row, $title );
72 $this->progress( 1 );
73 }
74 }
75
80 protected function fileExists( $name ) {
81 // XXX: Doesn't actually check for file existence, just presence of image record.
82 // This is reasonable, since cleanupImages.php only iterates over the image table.
83 $dbr = $this->getDB( DB_REPLICA );
84 $row = $dbr->selectRow( 'image', [ 'img_name' ], [ 'img_name' => $name ], __METHOD__ );
85
86 return $row !== false;
87 }
88
92 protected function moveIllegalPage( $row ) {
93 $legal = 'A-Za-z0-9_/\\\\-';
94 $legalized = preg_replace_callback( "!([^$legal])!",
95 [ $this, 'hexChar' ],
96 $row->page_title );
97 if ( $legalized == '.' ) {
98 $legalized = '(dot)';
99 }
100 if ( $legalized == '_' ) {
101 $legalized = '(space)';
102 }
103 $legalized = 'Broken/' . $legalized;
104
105 $title = Title::newFromText( $legalized );
106 if ( is_null( $title ) ) {
107 $clean = 'Broken/id:' . $row->page_id;
108 $this->output( "Couldn't legalize; form '$legalized' still invalid; using '$clean'\n" );
109 $title = Title::newFromText( $clean );
110 } elseif ( $title->exists() ) {
111 $clean = 'Broken/id:' . $row->page_id;
112 $this->output( "Legalized for '$legalized' exists; using '$clean'\n" );
113 $title = Title::newFromText( $clean );
114 }
115
116 $dest = $title->getDBkey();
117 if ( $this->dryrun ) {
118 $this->output( "DRY RUN: would rename $row->page_id ($row->page_namespace," .
119 "'$row->page_title') to ($row->page_namespace,'$dest')\n" );
120 } else {
121 $this->output( "renaming $row->page_id ($row->page_namespace," .
122 "'$row->page_title') to ($row->page_namespace,'$dest')\n" );
123 $dbw = $this->getDB( DB_MASTER );
124 $dbw->update( 'page',
125 [ 'page_title' => $dest ],
126 [ 'page_id' => $row->page_id ],
127 __METHOD__ );
128 }
129 }
130
135 protected function moveInconsistentPage( $row, Title $title ) {
136 if ( $title->exists( Title::READ_LATEST )
137 || $title->getInterwiki()
138 || !$title->canExist()
139 ) {
140 $titleImpossible = $title->getInterwiki() || !$title->canExist();
141 if ( $titleImpossible ) {
142 $prior = $title->getPrefixedDBkey();
143 } else {
144 $prior = $title->getDBkey();
145 }
146
147 # Old cleanupTitles could move articles there. See T25147.
148 $ns = $row->page_namespace;
149 if ( $ns < 0 ) {
150 $ns = 0;
151 }
152
153 # Namespace which no longer exists. Put the page in the main namespace
154 # since we don't have any idea of the old namespace name. See T70501.
155 if ( !MediaWikiServices::getInstance()->getNamespaceInfo()->exists( $ns ) ) {
156 $ns = 0;
157 }
158
159 if ( !$titleImpossible && !$title->exists() ) {
160 // Looks like the current title, after cleaning it up, is valid and available
161 $clean = $prior;
162 } else {
163 $clean = 'Broken/' . $prior;
164 }
165 $verified = Title::makeTitleSafe( $ns, $clean );
166 if ( !$verified || $verified->exists() ) {
167 $blah = "Broken/id:" . $row->page_id;
168 $this->output( "Couldn't legalize; form '$clean' exists; using '$blah'\n" );
169 $verified = Title::makeTitleSafe( $ns, $blah );
170 }
171 $title = $verified;
172 }
173 if ( is_null( $title ) ) {
174 $this->fatalError( "Something awry; empty title." );
175 }
176 $ns = $title->getNamespace();
177 $dest = $title->getDBkey();
178
179 if ( $this->dryrun ) {
180 $this->output( "DRY RUN: would rename $row->page_id ($row->page_namespace," .
181 "'$row->page_title') to ($ns,'$dest')\n" );
182 } else {
183 $this->output( "renaming $row->page_id ($row->page_namespace," .
184 "'$row->page_title') to ($ns,'$dest')\n" );
185 $dbw = $this->getDB( DB_MASTER );
186 $dbw->update( 'page',
187 [
188 'page_namespace' => $ns,
189 'page_title' => $dest
190 ],
191 [ 'page_id' => $row->page_id ],
192 __METHOD__ );
193 MediaWikiServices::getInstance()->getLinkCache()->clear();
194 }
195 }
196}
197
199require_once RUN_MAINTENANCE_IF_MAIN;
getDB()
const RUN_MAINTENANCE_IF_MAIN
output( $out, $channel=null)
Throw some output to the user.
addDescription( $text)
Set the description text.
fatalError( $msg, $exitCode=1)
Output a message and terminate the current script.
MediaWikiServices is the service locator for the application scope of MediaWiki.
Generic class to cleanup a database table.
progress( $updated)
Maintenance script to clean up broken, unparseable titles.
moveIllegalPage( $row)
moveInconsistentPage( $row, Title $title)
__construct()
Default constructor.
fileExists( $name)
Represents a title within MediaWiki.
Definition Title.php:42
$maintClass
const NS_FILE
Definition Defines.php:75
const DB_REPLICA
Definition defines.php:25
const DB_MASTER
Definition defines.php:26