includes/actions/InfoAction.php
<?php
/**
* Displays information about a page.
*
* Copyright © 2011 Alexandre Emsenhuber
*
* 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
*
* @file
* @ingroup Actions
*/
use MediaWiki\Cache\LinkBatchFactory;
use MediaWiki\Category\Category;
use MediaWiki\Context\IContextSource;
use MediaWiki\EditPage\TemplatesOnThisPageFormatter;
use MediaWiki\Html\Html;
use MediaWiki\Languages\LanguageNameUtils;
use MediaWiki\Linker\Linker;
use MediaWiki\Linker\LinkRenderer;
use MediaWiki\Linker\LinksMigration;
use MediaWiki\MainConfigNames;
use MediaWiki\MediaWikiServices;
use MediaWiki\Message\Message;
use MediaWiki\Page\PageIdentity;
use MediaWiki\Page\PageProps;
use MediaWiki\Page\RedirectLookup;
use MediaWiki\Parser\MagicWordFactory;
use MediaWiki\Parser\ParserOutput;
use MediaWiki\Parser\Sanitizer;
use MediaWiki\Permissions\RestrictionStore;
use MediaWiki\Revision\RevisionLookup;
use MediaWiki\Revision\RevisionRecord;
use MediaWiki\SpecialPage\SpecialPage;
use MediaWiki\Title\NamespaceInfo;
use MediaWiki\Title\Title;
use MediaWiki\User\UserFactory;
use MediaWiki\Watchlist\WatchedItemStoreInterface;
use Wikimedia\Rdbms\Database;
use Wikimedia\Rdbms\IConnectionProvider;
use Wikimedia\Rdbms\IExpression;
use Wikimedia\Rdbms\LikeValue;
/**
* Displays information about a page.
*
* @ingroup Actions
*/
class InfoAction extends FormlessAction {
private const VERSION = 1;
private Language $contentLanguage;
private LanguageNameUtils $languageNameUtils;
private LinkBatchFactory $linkBatchFactory;
private LinkRenderer $linkRenderer;
private IConnectionProvider $dbProvider;
private MagicWordFactory $magicWordFactory;
private NamespaceInfo $namespaceInfo;
private PageProps $pageProps;
private RepoGroup $repoGroup;
private RevisionLookup $revisionLookup;
private WANObjectCache $wanObjectCache;
private WatchedItemStoreInterface $watchedItemStore;
private RedirectLookup $redirectLookup;
private RestrictionStore $restrictionStore;
private LinksMigration $linksMigration;
private UserFactory $userFactory;
public function __construct(
Article $article,
IContextSource $context,
Language $contentLanguage,
LanguageNameUtils $languageNameUtils,
LinkBatchFactory $linkBatchFactory,
LinkRenderer $linkRenderer,
IConnectionProvider $dbProvider,
MagicWordFactory $magicWordFactory,
NamespaceInfo $namespaceInfo,
PageProps $pageProps,
RepoGroup $repoGroup,
RevisionLookup $revisionLookup,
WANObjectCache $wanObjectCache,
WatchedItemStoreInterface $watchedItemStore,
RedirectLookup $redirectLookup,
RestrictionStore $restrictionStore,
LinksMigration $linksMigration,
UserFactory $userFactory
) {
parent::__construct( $article, $context );
$this->contentLanguage = $contentLanguage;
$this->languageNameUtils = $languageNameUtils;
$this->linkBatchFactory = $linkBatchFactory;
$this->linkRenderer = $linkRenderer;
$this->dbProvider = $dbProvider;
$this->magicWordFactory = $magicWordFactory;
$this->namespaceInfo = $namespaceInfo;
$this->pageProps = $pageProps;
$this->repoGroup = $repoGroup;
$this->revisionLookup = $revisionLookup;
$this->wanObjectCache = $wanObjectCache;
$this->watchedItemStore = $watchedItemStore;
$this->redirectLookup = $redirectLookup;
$this->restrictionStore = $restrictionStore;
$this->linksMigration = $linksMigration;
$this->userFactory = $userFactory;
}
/** @inheritDoc */
public function getName() {
return 'info';
}
/** @inheritDoc */
public function requiresUnblock() {
return false;
}
/** @inheritDoc */
public function requiresWrite() {
return false;
}
/**
* Clear the info cache for a given Title.
*
* @since 1.22
* @param PageIdentity $page Title to clear cache for
* @param int|null $revid Revision id to clear
*/
public static function invalidateCache( PageIdentity $page, $revid = null ) {
$services = MediaWikiServices::getInstance();
if ( $revid === null ) {
$revision = $services->getRevisionLookup()
->getRevisionByTitle( $page, 0, IDBAccessObject::READ_LATEST );
$revid = $revision ? $revision->getId() : 0;
}
$cache = $services->getMainWANObjectCache();
$key = self::getCacheKey( $cache, $page, $revid ?? 0 );
$cache->delete( $key );
}
/**
* Shows page information on GET request.
*
* @return string Page information that will be added to the output
*/
public function onView() {
$this->getOutput()->addModuleStyles( [
'mediawiki.interface.helpers.styles',
'mediawiki.action.styles',
] );
// "Help" button
$this->addHelpLink( 'Page information' );
// Validate revision
$oldid = $this->getArticle()->getOldID();
if ( $oldid ) {
$revRecord = $this->getArticle()->fetchRevisionRecord();
if ( !$revRecord ) {
return $this->msg( 'missing-revision', $oldid )->parse();
} elseif ( !$revRecord->isCurrent() ) {
return $this->msg( 'pageinfo-not-current' )->plain();
}
}
// Page header
$msg = $this->msg( 'pageinfo-header' );
$content = $msg->isDisabled() ? '' : $msg->parse();
// Get page information
$pageInfo = $this->pageInfo();
// Allow extensions to add additional information
$this->getHookRunner()->onInfoAction( $this->getContext(), $pageInfo );
// Render page information
foreach ( $pageInfo as $header => $infoTable ) {
// Messages:
// pageinfo-header-basic, pageinfo-header-edits, pageinfo-header-restrictions,
// pageinfo-header-properties, pageinfo-category-info
$content .= $this->makeHeader(
$this->msg( "pageinfo-$header" )->text(),
"mw-pageinfo-$header"
) . "\n";
$rows = '';
$below = "";
foreach ( $infoTable as $infoRow ) {
if ( $infoRow[0] == "below" ) {
$below = $infoRow[1] . "\n";
continue;
}
$name = ( $infoRow[0] instanceof Message ) ? $infoRow[0]->escaped() : $infoRow[0];
$value = ( $infoRow[1] instanceof Message ) ? $infoRow[1]->escaped() : $infoRow[1];
$id = ( $infoRow[0] instanceof Message ) ? $infoRow[0]->getKey() : null;
$rows .= $this->getRow( $name, $value, $id ) . "\n";
}
if ( $rows !== '' ) {
$content .= Html::rawElement( 'table', [ 'class' => 'wikitable mw-page-info' ],
"\n" . $rows );
}
$content .= "\n" . $below;
}
// Page footer
if ( !$this->msg( 'pageinfo-footer' )->isDisabled() ) {
$content .= $this->msg( 'pageinfo-footer' )->parse();
}
return $content;
}
/**
* Creates a header that can be added to the output.
*
* @param string $header The header text.
* @param string $canonicalId
* @return string The HTML.
*/
private function makeHeader( $header, $canonicalId ) {
return Html::rawElement(
'h2',
[ 'id' => Sanitizer::escapeIdForAttribute( $header ) ],
Html::element(
'span',
[ 'id' => Sanitizer::escapeIdForAttribute( $canonicalId ) ],
''
) .
htmlspecialchars( $header )
);
}
/**
* @param string $name The name of the row
* @param string $value The value of the row
* @param string|null $id The ID to use for the 'tr' element
* @param-taint $id none
* @return string HTML
*/
private function getRow( $name, $value, $id ) {
return Html::rawElement(
'tr',
[
'id' => $id === null ? null : 'mw-' . $id,
'style' => 'vertical-align: top;',
],
Html::rawElement( 'td', [], $name ) .
Html::rawElement( 'td', [], $value )
);
}
/**
* Returns an array of info groups (will be rendered as tables), keyed by group ID.
* Group IDs are arbitrary and used so that extensions may add additional information in
* arbitrary positions (and as message keys for section headers for the tables, prefixed
* with 'pageinfo-').
* Each info group is a non-associative array of info items (rendered as table rows).
* Each info item is an array with two elements: the first describes the type of
* information, the second the value for the current page. Both can be strings (will be
* interpreted as raw HTML) or messages (will be interpreted as plain text and escaped).
*
* @return array
* @phan-return array<string, list<array{0:string|Message, 1:string|Message}>>
*/
private function pageInfo() {
$user = $this->getUser();
$lang = $this->getLanguage();
$title = $this->getTitle();
$id = $title->getArticleID();
$config = $this->context->getConfig();
$linkRenderer = $this->linkRenderer;
$pageCounts = $this->pageCounts();
$pageProperties = $this->pageProps->getAllProperties( $title )[$id] ?? [];
// Basic information
$pageInfo = [];
$pageInfo['header-basic'] = [];
// Display title
$displayTitle = $pageProperties['displaytitle'] ??
htmlspecialchars( $title->getPrefixedText(), ENT_NOQUOTES );
$pageInfo['header-basic'][] = [
$this->msg( 'pageinfo-display-title' ),
$displayTitle
];
// Is it a redirect? If so, where to?
$redirectTarget = $this->redirectLookup->getRedirectTarget( $this->getWikiPage() );
if ( $redirectTarget !== null ) {
$pageInfo['header-basic'][] = [
$this->msg( 'pageinfo-redirectsto' ),
$linkRenderer->makeLink( $redirectTarget ) .
$this->msg( 'word-separator' )->escaped() .
$this->msg( 'parentheses' )->rawParams( $linkRenderer->makeLink(
$redirectTarget,
$this->msg( 'pageinfo-redirectsto-info' )->text(),
[],
[ 'action' => 'info' ]
) )->escaped()
];
}
// Default sort key
$sortKey = $pageProperties['defaultsort'] ?? $title->getCategorySortkey();
$pageInfo['header-basic'][] = [
$this->msg( 'pageinfo-default-sort' ),
htmlspecialchars( $sortKey )
];
// Page length (in bytes)
$pageInfo['header-basic'][] = [
$this->msg( 'pageinfo-length' ),
$lang->formatNum( $title->getLength() )
];
// Page namespace
$pageInfo['header-basic'][] = [ $this->msg( 'pageinfo-namespace-id' ), $title->getNamespace() ];
$pageNamespace = $title->getNsText();
if ( $pageNamespace ) {
$pageInfo['header-basic'][] = [ $this->msg( 'pageinfo-namespace' ), $pageNamespace ];
}
// Page ID (number not localised, as it's a database ID)
$pageInfo['header-basic'][] = [ $this->msg( 'pageinfo-article-id' ), $id ];
// Language in which the page content is (supposed to be) written
$pageLang = $title->getPageLanguage()->getCode();
$pageLangHtml = $pageLang . ' - ' .
$this->languageNameUtils->getLanguageName( $pageLang, $lang->getCode() );
// Link to Special:PageLanguage with pre-filled page title if user has permissions
if ( $config->get( MainConfigNames::PageLanguageUseDB )
&& $this->getAuthority()->probablyCan( 'pagelang', $title )
) {
$pageLangHtml .= $this->msg( 'word-separator' )->escaped();
$pageLangHtml .= $this->msg( 'parentheses' )->rawParams( $linkRenderer->makeLink(
SpecialPage::getTitleValueFor( 'PageLanguage', $title->getPrefixedText() ),
$this->msg( 'pageinfo-language-change' )->text()
) )->escaped();
}
$pageInfo['header-basic'][] = [
$this->msg( 'pageinfo-language' )->escaped(),
$pageLangHtml
];
// Content model of the page
$modelHtml = htmlspecialchars( ContentHandler::getLocalizedName( $title->getContentModel() ) );
// If the user can change it, add a link to Special:ChangeContentModel
if ( $this->getAuthority()->probablyCan( 'editcontentmodel', $title ) ) {
$modelHtml .= $this->msg( 'word-separator' )->escaped();
$modelHtml .= $this->msg( 'parentheses' )->rawParams( $linkRenderer->makeLink(
SpecialPage::getTitleValueFor( 'ChangeContentModel', $title->getPrefixedText() ),
$this->msg( 'pageinfo-content-model-change' )->text()
) )->escaped();
}
$pageInfo['header-basic'][] = [
$this->msg( 'pageinfo-content-model' ),
$modelHtml
];
if ( $title->inNamespace( NS_USER ) ) {
$pageUser = $this->userFactory->newFromName( $title->getRootText() );
if ( $pageUser && $pageUser->getId() && !$pageUser->isHidden() ) {
$pageInfo['header-basic'][] = [
$this->msg( 'pageinfo-user-id' ),
$pageUser->getId()
];
}
}
// Search engine status
$parserOutput = new ParserOutput();
if ( isset( $pageProperties['noindex'] ) ) {
$parserOutput->setIndexPolicy( 'noindex' );
}
if ( isset( $pageProperties['index'] ) ) {
$parserOutput->setIndexPolicy( 'index' );
}
// Use robot policy logic
$policy = $this->getArticle()->getRobotPolicy( 'view', $parserOutput );
$pageInfo['header-basic'][] = [
// Messages: pageinfo-robot-index, pageinfo-robot-noindex
$this->msg( 'pageinfo-robot-policy' ),
$this->msg( "pageinfo-robot-{$policy['index']}" )
];
$unwatchedPageThreshold = $config->get( MainConfigNames::UnwatchedPageThreshold );
if ( $this->getAuthority()->isAllowed( 'unwatchedpages' ) ||
( $unwatchedPageThreshold !== false &&
$pageCounts['watchers'] >= $unwatchedPageThreshold )
) {
// Number of page watchers
$pageInfo['header-basic'][] = [
$this->msg( 'pageinfo-watchers' ),
$lang->formatNum( $pageCounts['watchers'] )
];
$visiting = $pageCounts['visitingWatchers'] ?? null;
if ( $visiting !== null && $config->get( MainConfigNames::ShowUpdatedMarker ) ) {
if ( $visiting > $config->get( MainConfigNames::UnwatchedPageSecret ) ||
$this->getAuthority()->isAllowed( 'unwatchedpages' )
) {
$value = $lang->formatNum( $visiting );
} else {
$value = $this->msg( 'pageinfo-few-visiting-watchers' );
}
$pageInfo['header-basic'][] = [
$this->msg( 'pageinfo-visiting-watchers' )
->numParams( ceil( $config->get( MainConfigNames::WatchersMaxAge ) / 86400 ) ),
$value
];
}
} elseif ( $unwatchedPageThreshold !== false ) {
$pageInfo['header-basic'][] = [
$this->msg( 'pageinfo-watchers' ),
$this->msg( 'pageinfo-few-watchers' )->numParams( $unwatchedPageThreshold )
];
}
// Redirects to this page
$whatLinksHere = SpecialPage::getTitleFor( 'Whatlinkshere', $title->getPrefixedText() );
$pageInfo['header-basic'][] = [
$linkRenderer->makeLink(
$whatLinksHere,
$this->msg( 'pageinfo-redirects-name' )->text(),
[],
[
'hidelinks' => 1,
'hidetrans' => 1,
'hideimages' => $title->getNamespace() === NS_FILE
]
),
$this->msg( 'pageinfo-redirects-value' )
->numParams( count( $title->getRedirectsHere() ) )
];
// Is it counted as a content page?
if ( $this->getWikiPage()->isCountable() ) {
$pageInfo['header-basic'][] = [
$this->msg( 'pageinfo-contentpage' ),
$this->msg( 'pageinfo-contentpage-yes' )
];
}
// Subpages of this page, if subpages are enabled for the current NS
if ( $this->namespaceInfo->hasSubpages( $title->getNamespace() ) ) {
$prefixIndex = SpecialPage::getTitleFor(
'Prefixindex',
$title->getPrefixedText() . '/'
);
$pageInfo['header-basic'][] = [
$linkRenderer->makeLink(
$prefixIndex,
$this->msg( 'pageinfo-subpages-name' )->text()
),
// $wgNamespacesWithSubpages can be changed and this can be unset (T340749)
isset( $pageCounts['subpages'] )
? $this->msg( 'pageinfo-subpages-value' )->numParams(
$pageCounts['subpages']['total'],
$pageCounts['subpages']['redirects'],
$pageCounts['subpages']['nonredirects']
) : $this->msg( 'pageinfo-subpages-value-unknown' )->rawParams(
$linkRenderer->makeKnownLink(
$title, $this->msg( 'purge' )->text(), [], [ 'action' => 'purge' ] )
)
];
}
if ( $title->inNamespace( NS_CATEGORY ) ) {
$category = Category::newFromTitle( $title );
$allCount = $category->getMemberCount();
$subcatCount = $category->getSubcatCount();
$fileCount = $category->getFileCount();
$pageCount = $category->getPageCount( Category::COUNT_CONTENT_PAGES );
$pageInfo['category-info'] = [
[
$this->msg( 'pageinfo-category-total' ),
$lang->formatNum( $allCount )
],
[
$this->msg( 'pageinfo-category-pages' ),
$lang->formatNum( $pageCount )
],
[
$this->msg( 'pageinfo-category-subcats' ),
$lang->formatNum( $subcatCount )
],
[
$this->msg( 'pageinfo-category-files' ),
$lang->formatNum( $fileCount )
]
];
}
// Display image SHA-1 value
if ( $title->inNamespace( NS_FILE ) ) {
$fileObj = $this->repoGroup->findFile( $title );
if ( $fileObj !== false ) {
// Convert the base-36 sha1 value obtained from database to base-16
$output = Wikimedia\base_convert( $fileObj->getSha1(), 36, 16, 40 );
$pageInfo['header-basic'][] = [
$this->msg( 'pageinfo-file-hash' ),
$output
];
}
}
// Page protection
$pageInfo['header-restrictions'] = [];
// Is this page affected by the cascading protection of something which includes it?
if ( $this->restrictionStore->isCascadeProtected( $title ) ) {
$cascadingFrom = '';
$sources = $this->restrictionStore->getCascadeProtectionSources( $title )[0];
foreach ( $sources as $sourcePageIdentity ) {
$cascadingFrom .= Html::rawElement(
'li',
[],
$linkRenderer->makeKnownLink( $sourcePageIdentity )
);
}
$cascadingFrom = Html::rawElement( 'ul', [], $cascadingFrom );
$pageInfo['header-restrictions'][] = [
$this->msg( 'pageinfo-protect-cascading-from' ),
$cascadingFrom
];
}
// Is out protection set to cascade to other pages?
if ( $this->restrictionStore->areRestrictionsCascading( $title ) ) {
$pageInfo['header-restrictions'][] = [
$this->msg( 'pageinfo-protect-cascading' ),
$this->msg( 'pageinfo-protect-cascading-yes' )
];
}
// Page protection
foreach ( $this->restrictionStore->listApplicableRestrictionTypes( $title ) as $restrictionType ) {
$protections = $this->restrictionStore->getRestrictions( $title, $restrictionType );
switch ( count( $protections ) ) {
case 0:
$message = $this->getNamespaceProtectionMessage( $title ) ??
// Allow all users by default
$this->msg( 'protect-default' )->escaped();
break;
case 1:
// Messages: protect-level-autoconfirmed, protect-level-sysop
$message = $this->msg( 'protect-level-' . $protections[0] );
if ( !$message->isDisabled() ) {
$message = $message->escaped();
break;
}
// Intentional fall-through if message is disabled (or non-existent)
default:
// Require "$1" permission
$message = $this->msg( "protect-fallback", $lang->commaList( $protections ) )->parse();
break;
}
$expiry = $this->restrictionStore->getRestrictionExpiry( $title, $restrictionType );
$formattedexpiry = $expiry === null ? '' : $this->msg(
'parentheses',
$lang->formatExpiry( $expiry, true, 'infinity', $user )
)->escaped();
$message .= $this->msg( 'word-separator' )->escaped() . $formattedexpiry;
// Messages: restriction-edit, restriction-move, restriction-create,
// restriction-upload
$pageInfo['header-restrictions'][] = [
$this->msg( "restriction-$restrictionType" ), $message
];
}
$protectLog = SpecialPage::getTitleFor( 'Log' );
$pageInfo['header-restrictions'][] = [
'below',
$linkRenderer->makeKnownLink(
$protectLog,
$this->msg( 'pageinfo-view-protect-log' )->text(),
[],
[ 'type' => 'protect', 'page' => $title->getPrefixedText() ]
),
];
if ( !$this->getWikiPage()->exists() ) {
return $pageInfo;
}
// Edit history
$pageInfo['header-edits'] = [];
$firstRev = $this->revisionLookup->getFirstRevision( $this->getTitle() );
$lastRev = $this->getWikiPage()->getRevisionRecord();
$batch = $this->linkBatchFactory->newLinkBatch();
if ( $firstRev ) {
$firstRevUser = $firstRev->getUser( RevisionRecord::FOR_THIS_USER, $user );
if ( $firstRevUser ) {
$batch->add( NS_USER, $firstRevUser->getName() );
$batch->add( NS_USER_TALK, $firstRevUser->getName() );
}
}
if ( $lastRev ) {
$lastRevUser = $lastRev->getUser( RevisionRecord::FOR_THIS_USER, $user );
if ( $lastRevUser ) {
$batch->add( NS_USER, $lastRevUser->getName() );
$batch->add( NS_USER_TALK, $lastRevUser->getName() );
}
}
$batch->execute();
if ( $firstRev ) {
// Page creator
$firstRevUser = $firstRev->getUser( RevisionRecord::FOR_THIS_USER, $user );
// Check if the username is available – it may have been suppressed, in
// which case use the invalid user name '[HIDDEN]' to get the wiki's
// default user gender.
$firstRevUserName = $firstRevUser ? $firstRevUser->getName() : '[HIDDEN]';
$pageInfo['header-edits'][] = [
$this->msg( 'pageinfo-firstuser', $firstRevUserName ),
Linker::revUserTools( $firstRev )
];
// Date of page creation
$pageInfo['header-edits'][] = [
$this->msg( 'pageinfo-firsttime' ),
$linkRenderer->makeKnownLink(
$title,
$lang->userTimeAndDate( $firstRev->getTimestamp(), $user ),
[],
[ 'oldid' => $firstRev->getId() ]
)
];
}
if ( $lastRev ) {
// Latest editor
$lastRevUser = $lastRev->getUser( RevisionRecord::FOR_THIS_USER, $user );
// Check if the username is available – it may have been suppressed, in
// which case use the invalid user name '[HIDDEN]' to get the wiki's
// default user gender.
$lastRevUserName = $lastRevUser ? $lastRevUser->getName() : '[HIDDEN]';
$pageInfo['header-edits'][] = [
$this->msg( 'pageinfo-lastuser', $lastRevUserName ),
Linker::revUserTools( $lastRev )
];
// Date of latest edit
$pageInfo['header-edits'][] = [
$this->msg( 'pageinfo-lasttime' ),
$linkRenderer->makeKnownLink(
$title,
$lang->userTimeAndDate( $this->getWikiPage()->getTimestamp(), $user ),
[],
[ 'oldid' => $this->getWikiPage()->getLatest() ]
)
];
}
// Total number of edits
$pageInfo['header-edits'][] = [
$this->msg( 'pageinfo-edits' ),
$lang->formatNum( $pageCounts['edits'] )
];
// Total number of distinct authors
if ( $pageCounts['authors'] > 0 ) {
$pageInfo['header-edits'][] = [
$this->msg( 'pageinfo-authors' ),
$lang->formatNum( $pageCounts['authors'] )
];
}
// Recent number of edits (within past 30 days)
$pageInfo['header-edits'][] = [
$this->msg(
'pageinfo-recent-edits',
$lang->formatDuration( $config->get( MainConfigNames::RCMaxAge ) )
),
$lang->formatNum( $pageCounts['recent_edits'] )
];
// Recent number of distinct authors
$pageInfo['header-edits'][] = [
$this->msg( 'pageinfo-recent-authors' ),
$lang->formatNum( $pageCounts['recent_authors'] )
];
// Array of magic word IDs
$wordIDs = $this->magicWordFactory->getDoubleUnderscoreArray()->getNames();
// Array of IDs => localized magic words
$localizedWords = $this->contentLanguage->getMagicWords();
$listItems = [];
foreach ( $pageProperties as $property => $value ) {
if ( in_array( $property, $wordIDs ) ) {
$listItems[] = Html::element( 'li', [], $localizedWords[$property][1] );
}
}
$localizedList = Html::rawElement( 'ul', [], implode( '', $listItems ) );
$hiddenCategories = $this->getWikiPage()->getHiddenCategories();
if (
count( $listItems ) > 0 ||
count( $hiddenCategories ) > 0 ||
$pageCounts['transclusion']['from'] > 0 ||
$pageCounts['transclusion']['to'] > 0
) {
$options = [ 'LIMIT' => $config->get( MainConfigNames::PageInfoTransclusionLimit ) ];
$transcludedTemplates = $title->getTemplateLinksFrom( $options );
if ( $config->get( MainConfigNames::MiserMode ) ) {
$transcludedTargets = [];
} else {
$transcludedTargets = $title->getTemplateLinksTo( $options );
}
// Page properties
$pageInfo['header-properties'] = [];
// Magic words
if ( count( $listItems ) > 0 ) {
$pageInfo['header-properties'][] = [
$this->msg( 'pageinfo-magic-words' )->numParams( count( $listItems ) ),
$localizedList
];
}
// Hidden categories
if ( count( $hiddenCategories ) > 0 ) {
$pageInfo['header-properties'][] = [
$this->msg( 'pageinfo-hidden-categories' )
->numParams( count( $hiddenCategories ) ),
Linker::formatHiddenCategories( $hiddenCategories )
];
}
// Transcluded templates
if ( $pageCounts['transclusion']['from'] > 0 ) {
if ( $pageCounts['transclusion']['from'] > count( $transcludedTemplates ) ) {
$more = $this->msg( 'morenotlisted' )->escaped();
} else {
$more = null;
}
$templateListFormatter = new TemplatesOnThisPageFormatter(
$this->getContext(),
$linkRenderer,
$this->linkBatchFactory,
$this->restrictionStore
);
$pageInfo['header-properties'][] = [
$this->msg( 'pageinfo-templates' )
->numParams( $pageCounts['transclusion']['from'] ),
$templateListFormatter->format( $transcludedTemplates, false, $more )
];
}
if ( !$config->get( MainConfigNames::MiserMode ) && $pageCounts['transclusion']['to'] > 0 ) {
if ( $pageCounts['transclusion']['to'] > count( $transcludedTargets ) ) {
$more = $linkRenderer->makeLink(
$whatLinksHere,
$this->msg( 'moredotdotdot' )->text(),
[],
[ 'hidelinks' => 1, 'hideredirs' => 1 ]
);
} else {
$more = null;
}
$templateListFormatter = new TemplatesOnThisPageFormatter(
$this->getContext(),
$linkRenderer,
$this->linkBatchFactory,
$this->restrictionStore
);
$pageInfo['header-properties'][] = [
$this->msg( 'pageinfo-transclusions' )
->numParams( $pageCounts['transclusion']['to'] ),
$templateListFormatter->format( $transcludedTargets, false, $more )
];
}
}
return $pageInfo;
}
/**
* Get namespace protection message for title or null if no namespace protection
* has been applied
*
* @param Title $title
* @return ?string HTML
*/
private function getNamespaceProtectionMessage( Title $title ): ?string {
$rights = [];
if ( $title->isRawHtmlMessage() ) {
$rights[] = 'editsitecss';
$rights[] = 'editsitejs';
} elseif ( $title->isSiteCssConfigPage() ) {
$rights[] = 'editsitecss';
} elseif ( $title->isSiteJsConfigPage() ) {
$rights[] = 'editsitejs';
} elseif ( $title->isSiteJsonConfigPage() ) {
$rights[] = 'editsitejson';
} elseif ( $title->isUserCssConfigPage() ) {
$rights[] = 'editusercss';
} elseif ( $title->isUserJsConfigPage() ) {
$rights[] = 'edituserjs';
} elseif ( $title->isUserJsonConfigPage() ) {
$rights[] = 'edituserjson';
} else {
$namespaceProtection = $this->context->getConfig()->get( MainConfigNames::NamespaceProtection );
$right = $namespaceProtection[$title->getNamespace()] ?? null;
if ( $right ) {
// a single string as the value is allowed as well as an array
$rights = (array)$right;
}
}
if ( $rights ) {
return $this->msg( 'protect-fallback', $this->getLanguage()->commaList( $rights ) )->parse();
} else {
return null;
}
}
/**
* Returns page counts that would be too "expensive" to retrieve by normal means.
*
* @return array
*/
private function pageCounts() {
$page = $this->getWikiPage();
$fname = __METHOD__;
$config = $this->context->getConfig();
$cache = $this->wanObjectCache;
return $cache->getWithSetCallback(
self::getCacheKey( $cache, $page->getTitle(), $page->getLatest() ),
WANObjectCache::TTL_WEEK,
function ( $oldValue, &$ttl, &$setOpts ) use ( $page, $config, $fname ) {
$title = $page->getTitle();
$id = $title->getArticleID();
$dbr = $this->dbProvider->getReplicaDatabase();
$setOpts += Database::getCacheSetOptions( $dbr );
$field = 'rev_actor';
$pageField = 'rev_page';
$watchedItemStore = $this->watchedItemStore;
$result = [];
$result['watchers'] = $watchedItemStore->countWatchers( $title );
if ( $config->get( MainConfigNames::ShowUpdatedMarker ) ) {
$updated = (int)wfTimestamp( TS_UNIX, $page->getTimestamp() );
$result['visitingWatchers'] = $watchedItemStore->countVisitingWatchers(
$title,
$updated - $config->get( MainConfigNames::WatchersMaxAge )
);
}
// Total number of edits
$edits = (int)$dbr->newSelectQueryBuilder()
->select( 'COUNT(*)' )
->from( 'revision' )
->where( [ 'rev_page' => $id ] )
->caller( $fname )
->fetchField();
$result['edits'] = $edits;
// Total number of distinct authors
if ( $config->get( MainConfigNames::MiserMode ) ) {
$result['authors'] = 0;
} else {
$result['authors'] = (int)$dbr->newSelectQueryBuilder()
->select( "COUNT(DISTINCT $field)" )
->from( 'revision' )
->where( [ $pageField => $id ] )
->caller( $fname )
->fetchField();
}
// "Recent" threshold defined by RCMaxAge setting
$threshold = $dbr->timestamp( time() - $config->get( MainConfigNames::RCMaxAge ) );
// Recent number of edits
$edits = (int)$dbr->newSelectQueryBuilder()
->select( 'COUNT(rev_page)' )
->from( 'revision' )
->where( [ 'rev_page' => $id ] )
->andWhere( $dbr->expr( 'rev_timestamp', '>=', $threshold ) )
->caller( $fname )
->fetchField();
$result['recent_edits'] = $edits;
// Recent number of distinct authors
$result['recent_authors'] = (int)$dbr->newSelectQueryBuilder()
->select( "COUNT(DISTINCT $field)" )
->from( 'revision' )
->where( [ $pageField => $id ] )
->andWhere( [ $dbr->expr( 'rev_timestamp', '>=', $threshold ) ] )
->caller( $fname )
->fetchField();
// Subpages (if enabled)
if ( $this->namespaceInfo->hasSubpages( $title->getNamespace() ) ) {
$conds = [ 'page_namespace' => $title->getNamespace() ];
$conds[] = $dbr->expr(
'page_title',
IExpression::LIKE,
new LikeValue( $title->getDBkey() . '/', $dbr->anyString() )
);
// Subpages of this page (redirects)
$conds['page_is_redirect'] = 1;
$result['subpages']['redirects'] = (int)$dbr->newSelectQueryBuilder()
->select( 'COUNT(page_id)' )
->from( 'page' )
->where( $conds )
->caller( $fname )
->fetchField();
// Subpages of this page (non-redirects)
$conds['page_is_redirect'] = 0;
$result['subpages']['nonredirects'] = (int)$dbr->newSelectQueryBuilder()
->select( 'COUNT(page_id)' )
->from( 'page' )
->where( $conds )
->caller( $fname )
->fetchField();
// Subpages of this page (total)
$result['subpages']['total'] = $result['subpages']['redirects']
+ $result['subpages']['nonredirects'];
}
// Counts for the number of transclusion links (to/from)
if ( $config->get( MainConfigNames::MiserMode ) ) {
$result['transclusion']['to'] = 0;
} else {
$result['transclusion']['to'] = (int)$dbr->newSelectQueryBuilder()
->select( 'COUNT(tl_from)' )
->from( 'templatelinks' )
->where( $this->linksMigration->getLinksConditions( 'templatelinks', $title ) )
->caller( $fname )
->fetchField();
}
$result['transclusion']['from'] = (int)$dbr->newSelectQueryBuilder()
->select( 'COUNT(*)' )
->from( 'templatelinks' )
->where( [ 'tl_from' => $title->getArticleID() ] )
->caller( $fname )
->fetchField();
return $result;
}
);
}
/**
* Returns the name that goes in the "<h1>" page title.
*
* @return string
*/
protected function getPageTitle() {
return $this->msg( 'pageinfo-title' )->plaintextParams( $this->getTitle()->getPrefixedText() );
}
/**
* Returns the description that goes below the "<h1>" tag.
*
* @return string
*/
protected function getDescription() {
return '';
}
/**
* @param WANObjectCache $cache
* @param PageIdentity $page
* @param int $revId
* @return string
*/
protected static function getCacheKey( WANObjectCache $cache, PageIdentity $page, $revId ) {
return $cache->makeKey( 'infoaction', md5( (string)$page ), $revId, self::VERSION );
}
}