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| 1 | <?php |
| 2 | /** |
| 3 | * Displays information about a page. |
| 4 | * |
| 5 | * Copyright © 2011 Alexandre Emsenhuber |
| 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 |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
| 20 | * |
| 21 | * @file |
| 22 | * @ingroup Actions |
| 23 | */ |
| 24 | |
| 25 | use MediaWiki\Cache\LinkBatchFactory; |
| 26 | use MediaWiki\Category\Category; |
| 27 | use MediaWiki\Context\IContextSource; |
| 28 | use MediaWiki\EditPage\TemplatesOnThisPageFormatter; |
| 29 | use MediaWiki\Html\Html; |
| 30 | use MediaWiki\Languages\LanguageNameUtils; |
| 31 | use MediaWiki\Linker\Linker; |
| 32 | use MediaWiki\Linker\LinkRenderer; |
| 33 | use MediaWiki\Linker\LinksMigration; |
| 34 | use MediaWiki\MainConfigNames; |
| 35 | use MediaWiki\MediaWikiServices; |
| 36 | use MediaWiki\Message\Message; |
| 37 | use MediaWiki\Page\PageIdentity; |
| 38 | use MediaWiki\Page\PageProps; |
| 39 | use MediaWiki\Page\RedirectLookup; |
| 40 | use MediaWiki\Parser\MagicWordFactory; |
| 41 | use MediaWiki\Parser\ParserOutput; |
| 42 | use MediaWiki\Parser\Sanitizer; |
| 43 | use MediaWiki\Permissions\RestrictionStore; |
| 44 | use MediaWiki\Revision\RevisionLookup; |
| 45 | use MediaWiki\Revision\RevisionRecord; |
| 46 | use MediaWiki\SpecialPage\SpecialPage; |
| 47 | use MediaWiki\Title\NamespaceInfo; |
| 48 | use MediaWiki\Title\Title; |
| 49 | use MediaWiki\User\UserFactory; |
| 50 | use Wikimedia\Rdbms\Database; |
| 51 | use Wikimedia\Rdbms\IConnectionProvider; |
| 52 | use Wikimedia\Rdbms\IExpression; |
| 53 | use Wikimedia\Rdbms\LikeValue; |
| 54 | |
| 55 | /** |
| 56 | * Displays information about a page. |
| 57 | * |
| 58 | * @ingroup Actions |
| 59 | */ |
| 60 | class InfoAction extends FormlessAction { |
| 61 | private const VERSION = 1; |
| 62 | |
| 63 | private Language $contentLanguage; |
| 64 | private LanguageNameUtils $languageNameUtils; |
| 65 | private LinkBatchFactory $linkBatchFactory; |
| 66 | private LinkRenderer $linkRenderer; |
| 67 | private IConnectionProvider $dbProvider; |
| 68 | private MagicWordFactory $magicWordFactory; |
| 69 | private NamespaceInfo $namespaceInfo; |
| 70 | private PageProps $pageProps; |
| 71 | private RepoGroup $repoGroup; |
| 72 | private RevisionLookup $revisionLookup; |
| 73 | private WANObjectCache $wanObjectCache; |
| 74 | private WatchedItemStoreInterface $watchedItemStore; |
| 75 | private RedirectLookup $redirectLookup; |
| 76 | private RestrictionStore $restrictionStore; |
| 77 | private LinksMigration $linksMigration; |
| 78 | private UserFactory $userFactory; |
| 79 | |
| 80 | public function __construct( |
| 81 | Article $article, |
| 82 | IContextSource $context, |
| 83 | Language $contentLanguage, |
| 84 | LanguageNameUtils $languageNameUtils, |
| 85 | LinkBatchFactory $linkBatchFactory, |
| 86 | LinkRenderer $linkRenderer, |
| 87 | IConnectionProvider $dbProvider, |
| 88 | MagicWordFactory $magicWordFactory, |
| 89 | NamespaceInfo $namespaceInfo, |
| 90 | PageProps $pageProps, |
| 91 | RepoGroup $repoGroup, |
| 92 | RevisionLookup $revisionLookup, |
| 93 | WANObjectCache $wanObjectCache, |
| 94 | WatchedItemStoreInterface $watchedItemStore, |
| 95 | RedirectLookup $redirectLookup, |
| 96 | RestrictionStore $restrictionStore, |
| 97 | LinksMigration $linksMigration, |
| 98 | UserFactory $userFactory |
| 99 | ) { |
| 100 | parent::__construct( $article, $context ); |
| 101 | $this->contentLanguage = $contentLanguage; |
| 102 | $this->languageNameUtils = $languageNameUtils; |
| 103 | $this->linkBatchFactory = $linkBatchFactory; |
| 104 | $this->linkRenderer = $linkRenderer; |
| 105 | $this->dbProvider = $dbProvider; |
| 106 | $this->magicWordFactory = $magicWordFactory; |
| 107 | $this->namespaceInfo = $namespaceInfo; |
| 108 | $this->pageProps = $pageProps; |
| 109 | $this->repoGroup = $repoGroup; |
| 110 | $this->revisionLookup = $revisionLookup; |
| 111 | $this->wanObjectCache = $wanObjectCache; |
| 112 | $this->watchedItemStore = $watchedItemStore; |
| 113 | $this->redirectLookup = $redirectLookup; |
| 114 | $this->restrictionStore = $restrictionStore; |
| 115 | $this->linksMigration = $linksMigration; |
| 116 | $this->userFactory = $userFactory; |
| 117 | } |
| 118 | |
| 119 | /** @inheritDoc */ |
| 120 | public function getName() { |
| 121 | return 'info'; |
| 122 | } |
| 123 | |
| 124 | /** @inheritDoc */ |
| 125 | public function requiresUnblock() { |
| 126 | return false; |
| 127 | } |
| 128 | |
| 129 | /** @inheritDoc */ |
| 130 | public function requiresWrite() { |
| 131 | return false; |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * Clear the info cache for a given Title. |
| 136 | * |
| 137 | * @since 1.22 |
| 138 | * @param PageIdentity $page Title to clear cache for |
| 139 | * @param int|null $revid Revision id to clear |
| 140 | */ |
| 141 | public static function invalidateCache( PageIdentity $page, $revid = null ) { |
| 142 | $services = MediaWikiServices::getInstance(); |
| 143 | if ( $revid === null ) { |
| 144 | $revision = $services->getRevisionLookup() |
| 145 | ->getRevisionByTitle( $page, 0, IDBAccessObject::READ_LATEST ); |
| 146 | $revid = $revision ? $revision->getId() : 0; |
| 147 | } |
| 148 | $cache = $services->getMainWANObjectCache(); |
| 149 | $key = self::getCacheKey( $cache, $page, $revid ?? 0 ); |
| 150 | $cache->delete( $key ); |
| 151 | } |
| 152 | |
| 153 | /** |
| 154 | * Shows page information on GET request. |
| 155 | * |
| 156 | * @return string Page information that will be added to the output |
| 157 | */ |
| 158 | public function onView() { |
| 159 | $this->getOutput()->addModuleStyles( [ |
| 160 | 'mediawiki.interface.helpers.styles', |
| 161 | 'mediawiki.action.styles', |
| 162 | ] ); |
| 163 | |
| 164 | // "Help" button |
| 165 | $this->addHelpLink( 'Page information' ); |
| 166 | |
| 167 | // Validate revision |
| 168 | $oldid = $this->getArticle()->getOldID(); |
| 169 | if ( $oldid ) { |
| 170 | $revRecord = $this->getArticle()->fetchRevisionRecord(); |
| 171 | |
| 172 | if ( !$revRecord ) { |
| 173 | return $this->msg( 'missing-revision', $oldid )->parse(); |
| 174 | } elseif ( !$revRecord->isCurrent() ) { |
| 175 | return $this->msg( 'pageinfo-not-current' )->plain(); |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | // Page header |
| 180 | $msg = $this->msg( 'pageinfo-header' ); |
| 181 | $content = $msg->isDisabled() ? '' : $msg->parse(); |
| 182 | |
| 183 | // Get page information |
| 184 | $pageInfo = $this->pageInfo(); |
| 185 | |
| 186 | // Allow extensions to add additional information |
| 187 | $this->getHookRunner()->onInfoAction( $this->getContext(), $pageInfo ); |
| 188 | |
| 189 | // Render page information |
| 190 | foreach ( $pageInfo as $header => $infoTable ) { |
| 191 | // Messages: |
| 192 | // pageinfo-header-basic, pageinfo-header-edits, pageinfo-header-restrictions, |
| 193 | // pageinfo-header-properties, pageinfo-category-info |
| 194 | $content .= $this->makeHeader( |
| 195 | $this->msg( "pageinfo-$header" )->text(), |
| 196 | "mw-pageinfo-$header" |
| 197 | ) . "\n"; |
| 198 | $rows = ''; |
| 199 | $below = ""; |
| 200 | foreach ( $infoTable as $infoRow ) { |
| 201 | if ( $infoRow[0] == "below" ) { |
| 202 | $below = $infoRow[1] . "\n"; |
| 203 | continue; |
| 204 | } |
| 205 | $name = ( $infoRow[0] instanceof Message ) ? $infoRow[0]->escaped() : $infoRow[0]; |
| 206 | $value = ( $infoRow[1] instanceof Message ) ? $infoRow[1]->escaped() : $infoRow[1]; |
| 207 | $id = ( $infoRow[0] instanceof Message ) ? $infoRow[0]->getKey() : null; |
| 208 | $rows .= $this->getRow( $name, $value, $id ) . "\n"; |
| 209 | } |
| 210 | if ( $rows !== '' ) { |
| 211 | $content .= Html::rawElement( 'table', [ 'class' => 'wikitable mw-page-info' ], |
| 212 | "\n" . $rows ); |
| 213 | } |
| 214 | $content .= "\n" . $below; |
| 215 | } |
| 216 | |
| 217 | // Page footer |
| 218 | if ( !$this->msg( 'pageinfo-footer' )->isDisabled() ) { |
| 219 | $content .= $this->msg( 'pageinfo-footer' )->parse(); |
| 220 | } |
| 221 | |
| 222 | return $content; |
| 223 | } |
| 224 | |
| 225 | /** |
| 226 | * Creates a header that can be added to the output. |
| 227 | * |
| 228 | * @param string $header The header text. |
| 229 | * @param string $canonicalId |
| 230 | * @return string The HTML. |
| 231 | */ |
| 232 | private function makeHeader( $header, $canonicalId ) { |
| 233 | return Html::rawElement( |
| 234 | 'h2', |
| 235 | [ 'id' => Sanitizer::escapeIdForAttribute( $header ) ], |
| 236 | Html::element( |
| 237 | 'span', |
| 238 | [ 'id' => Sanitizer::escapeIdForAttribute( $canonicalId ) ], |
| 239 | '' |
| 240 | ) . |
| 241 | htmlspecialchars( $header ) |
| 242 | ); |
| 243 | } |
| 244 | |
| 245 | /** |
| 246 | * @param string $name The name of the row |
| 247 | * @param string $value The value of the row |
| 248 | * @param string|null $id The ID to use for the 'tr' element |
| 249 | * @return string HTML |
| 250 | */ |
| 251 | private function getRow( $name, $value, $id ) { |
| 252 | return Html::rawElement( |
| 253 | 'tr', |
| 254 | [ |
| 255 | 'id' => $id === null ? null : 'mw-' . $id, |
| 256 | 'style' => 'vertical-align: top;', |
| 257 | ], |
| 258 | Html::rawElement( 'td', [], $name ) . |
| 259 | Html::rawElement( 'td', [], $value ) |
| 260 | ); |
| 261 | } |
| 262 | |
| 263 | /** |
| 264 | * Returns an array of info groups (will be rendered as tables), keyed by group ID. |
| 265 | * Group IDs are arbitrary and used so that extensions may add additional information in |
| 266 | * arbitrary positions (and as message keys for section headers for the tables, prefixed |
| 267 | * with 'pageinfo-'). |
| 268 | * Each info group is a non-associative array of info items (rendered as table rows). |
| 269 | * Each info item is an array with two elements: the first describes the type of |
| 270 | * information, the second the value for the current page. Both can be strings (will be |
| 271 | * interpreted as raw HTML) or messages (will be interpreted as plain text and escaped). |
| 272 | * |
| 273 | * @return array |
| 274 | * @phan-return array<string, list<array{0:string|Message, 1:string|Message}>> |
| 275 | */ |
| 276 | private function pageInfo() { |
| 277 | $user = $this->getUser(); |
| 278 | $lang = $this->getLanguage(); |
| 279 | $title = $this->getTitle(); |
| 280 | $id = $title->getArticleID(); |
| 281 | $config = $this->context->getConfig(); |
| 282 | $linkRenderer = $this->linkRenderer; |
| 283 | |
| 284 | $pageCounts = $this->pageCounts(); |
| 285 | |
| 286 | $pageProperties = $this->pageProps->getAllProperties( $title )[$id] ?? []; |
| 287 | |
| 288 | // Basic information |
| 289 | $pageInfo = []; |
| 290 | $pageInfo['header-basic'] = []; |
| 291 | |
| 292 | // Display title |
| 293 | $displayTitle = $pageProperties['displaytitle'] ?? |
| 294 | htmlspecialchars( $title->getPrefixedText(), ENT_NOQUOTES ); |
| 295 | |
| 296 | $pageInfo['header-basic'][] = [ |
| 297 | $this->msg( 'pageinfo-display-title' ), |
| 298 | $displayTitle |
| 299 | ]; |
| 300 | |
| 301 | // Is it a redirect? If so, where to? |
| 302 | $redirectTarget = $this->redirectLookup->getRedirectTarget( $this->getWikiPage() ); |
| 303 | if ( $redirectTarget !== null ) { |
| 304 | $pageInfo['header-basic'][] = [ |
| 305 | $this->msg( 'pageinfo-redirectsto' ), |
| 306 | $linkRenderer->makeLink( $redirectTarget ) . |
| 307 | $this->msg( 'word-separator' )->escaped() . |
| 308 | $this->msg( 'parentheses' )->rawParams( $linkRenderer->makeLink( |
| 309 | $redirectTarget, |
| 310 | $this->msg( 'pageinfo-redirectsto-info' )->text(), |
| 311 | [], |
| 312 | [ 'action' => 'info' ] |
| 313 | ) )->escaped() |
| 314 | ]; |
| 315 | } |
| 316 | |
| 317 | // Default sort key |
| 318 | $sortKey = $pageProperties['defaultsort'] ?? $title->getCategorySortkey(); |
| 319 | $pageInfo['header-basic'][] = [ |
| 320 | $this->msg( 'pageinfo-default-sort' ), |
| 321 | htmlspecialchars( $sortKey ) |
| 322 | ]; |
| 323 | |
| 324 | // Page length (in bytes) |
| 325 | $pageInfo['header-basic'][] = [ |
| 326 | $this->msg( 'pageinfo-length' ), |
| 327 | $lang->formatNum( $title->getLength() ) |
| 328 | ]; |
| 329 | |
| 330 | // Page namespace |
| 331 | $pageInfo['header-basic'][] = [ $this->msg( 'pageinfo-namespace-id' ), $title->getNamespace() ]; |
| 332 | $pageNamespace = $title->getNsText(); |
| 333 | if ( $pageNamespace ) { |
| 334 | $pageInfo['header-basic'][] = [ $this->msg( 'pageinfo-namespace' ), $pageNamespace ]; |
| 335 | } |
| 336 | |
| 337 | // Page ID (number not localised, as it's a database ID) |
| 338 | $pageInfo['header-basic'][] = [ $this->msg( 'pageinfo-article-id' ), $id ]; |
| 339 | |
| 340 | // Language in which the page content is (supposed to be) written |
| 341 | $pageLang = $title->getPageLanguage()->getCode(); |
| 342 | |
| 343 | $pageLangHtml = $pageLang . ' - ' . |
| 344 | $this->languageNameUtils->getLanguageName( $pageLang, $lang->getCode() ); |
| 345 | // Link to Special:PageLanguage with pre-filled page title if user has permissions |
| 346 | if ( $config->get( MainConfigNames::PageLanguageUseDB ) |
| 347 | && $this->getAuthority()->probablyCan( 'pagelang', $title ) |
| 348 | ) { |
| 349 | $pageLangHtml .= $this->msg( 'word-separator' )->escaped(); |
| 350 | $pageLangHtml .= $this->msg( 'parentheses' )->rawParams( $linkRenderer->makeLink( |
| 351 | SpecialPage::getTitleValueFor( 'PageLanguage', $title->getPrefixedText() ), |
| 352 | $this->msg( 'pageinfo-language-change' )->text() |
| 353 | ) )->escaped(); |
| 354 | } |
| 355 | |
| 356 | $pageInfo['header-basic'][] = [ |
| 357 | $this->msg( 'pageinfo-language' )->escaped(), |
| 358 | $pageLangHtml |
| 359 | ]; |
| 360 | |
| 361 | // Content model of the page |
| 362 | $modelHtml = htmlspecialchars( ContentHandler::getLocalizedName( $title->getContentModel() ) ); |
| 363 | // If the user can change it, add a link to Special:ChangeContentModel |
| 364 | if ( $this->getAuthority()->probablyCan( 'editcontentmodel', $title ) ) { |
| 365 | $modelHtml .= $this->msg( 'word-separator' )->escaped(); |
| 366 | $modelHtml .= $this->msg( 'parentheses' )->rawParams( $linkRenderer->makeLink( |
| 367 | SpecialPage::getTitleValueFor( 'ChangeContentModel', $title->getPrefixedText() ), |
| 368 | $this->msg( 'pageinfo-content-model-change' )->text() |
| 369 | ) )->escaped(); |
| 370 | } |
| 371 | |
| 372 | $pageInfo['header-basic'][] = [ |
| 373 | $this->msg( 'pageinfo-content-model' ), |
| 374 | $modelHtml |
| 375 | ]; |
| 376 | |
| 377 | if ( $title->inNamespace( NS_USER ) ) { |
| 378 | $pageUser = $this->userFactory->newFromName( $title->getRootText() ); |
| 379 | if ( $pageUser && $pageUser->getId() && !$pageUser->isHidden() ) { |
| 380 | $pageInfo['header-basic'][] = [ |
| 381 | $this->msg( 'pageinfo-user-id' ), |
| 382 | $pageUser->getId() |
| 383 | ]; |
| 384 | } |
| 385 | } |
| 386 | |
| 387 | // Search engine status |
| 388 | $parserOutput = new ParserOutput(); |
| 389 | if ( isset( $pageProperties['noindex'] ) ) { |
| 390 | $parserOutput->setIndexPolicy( 'noindex' ); |
| 391 | } |
| 392 | if ( isset( $pageProperties['index'] ) ) { |
| 393 | $parserOutput->setIndexPolicy( 'index' ); |
| 394 | } |
| 395 | |
| 396 | // Use robot policy logic |
| 397 | $policy = $this->getArticle()->getRobotPolicy( 'view', $parserOutput ); |
| 398 | $pageInfo['header-basic'][] = [ |
| 399 | // Messages: pageinfo-robot-index, pageinfo-robot-noindex |
| 400 | $this->msg( 'pageinfo-robot-policy' ), |
| 401 | $this->msg( "pageinfo-robot-{$policy['index']}" ) |
| 402 | ]; |
| 403 | |
| 404 | $unwatchedPageThreshold = $config->get( MainConfigNames::UnwatchedPageThreshold ); |
| 405 | if ( $this->getAuthority()->isAllowed( 'unwatchedpages' ) || |
| 406 | ( $unwatchedPageThreshold !== false && |
| 407 | $pageCounts['watchers'] >= $unwatchedPageThreshold ) |
| 408 | ) { |
| 409 | // Number of page watchers |
| 410 | $pageInfo['header-basic'][] = [ |
| 411 | $this->msg( 'pageinfo-watchers' ), |
| 412 | $lang->formatNum( $pageCounts['watchers'] ) |
| 413 | ]; |
| 414 | |
| 415 | $visiting = $pageCounts['visitingWatchers'] ?? null; |
| 416 | if ( $visiting !== null && $config->get( MainConfigNames::ShowUpdatedMarker ) ) { |
| 417 | if ( $visiting > $config->get( MainConfigNames::UnwatchedPageSecret ) || |
| 418 | $this->getAuthority()->isAllowed( 'unwatchedpages' ) |
| 419 | ) { |
| 420 | $value = $lang->formatNum( $visiting ); |
| 421 | } else { |
| 422 | $value = $this->msg( 'pageinfo-few-visiting-watchers' ); |
| 423 | } |
| 424 | $pageInfo['header-basic'][] = [ |
| 425 | $this->msg( |
| 426 | 'pageinfo-visiting-watchers', |
| 427 | $title->getPageLanguage()->formatTimePeriod( |
| 428 | $config->get( MainConfigNames::WatchersMaxAge ), |
| 429 | [ 'avoid' => 'avoidhours', 'noabbrevs' => true ] |
| 430 | ) |
| 431 | ), |
| 432 | $value |
| 433 | ]; |
| 434 | } |
| 435 | } elseif ( $unwatchedPageThreshold !== false ) { |
| 436 | $pageInfo['header-basic'][] = [ |
| 437 | $this->msg( 'pageinfo-watchers' ), |
| 438 | $this->msg( 'pageinfo-few-watchers' )->numParams( $unwatchedPageThreshold ) |
| 439 | ]; |
| 440 | } |
| 441 | |
| 442 | // Redirects to this page |
| 443 | $whatLinksHere = SpecialPage::getTitleFor( 'Whatlinkshere', $title->getPrefixedText() ); |
| 444 | $pageInfo['header-basic'][] = [ |
| 445 | $linkRenderer->makeLink( |
| 446 | $whatLinksHere, |
| 447 | $this->msg( 'pageinfo-redirects-name' )->text(), |
| 448 | [], |
| 449 | [ |
| 450 | 'hidelinks' => 1, |
| 451 | 'hidetrans' => 1, |
| 452 | 'hideimages' => $title->getNamespace() === NS_FILE |
| 453 | ] |
| 454 | ), |
| 455 | $this->msg( 'pageinfo-redirects-value' ) |
| 456 | ->numParams( count( $title->getRedirectsHere() ) ) |
| 457 | ]; |
| 458 | |
| 459 | // Is it counted as a content page? |
| 460 | if ( $this->getWikiPage()->isCountable() ) { |
| 461 | $pageInfo['header-basic'][] = [ |
| 462 | $this->msg( 'pageinfo-contentpage' ), |
| 463 | $this->msg( 'pageinfo-contentpage-yes' ) |
| 464 | ]; |
| 465 | } |
| 466 | |
| 467 | // Subpages of this page, if subpages are enabled for the current NS |
| 468 | if ( $this->namespaceInfo->hasSubpages( $title->getNamespace() ) ) { |
| 469 | $prefixIndex = SpecialPage::getTitleFor( |
| 470 | 'Prefixindex', |
| 471 | $title->getPrefixedText() . '/' |
| 472 | ); |
| 473 | $pageInfo['header-basic'][] = [ |
| 474 | $linkRenderer->makeLink( |
| 475 | $prefixIndex, |
| 476 | $this->msg( 'pageinfo-subpages-name' )->text() |
| 477 | ), |
| 478 | // $wgNamespacesWithSubpages can be changed and this can be unset (T340749) |
| 479 | isset( $pageCounts['subpages'] ) |
| 480 | ? $this->msg( 'pageinfo-subpages-value' )->numParams( |
| 481 | $pageCounts['subpages']['total'], |
| 482 | $pageCounts['subpages']['redirects'], |
| 483 | $pageCounts['subpages']['nonredirects'] |
| 484 | ) : $this->msg( 'pageinfo-subpages-value-unknown' )->rawParams( |
| 485 | $linkRenderer->makeKnownLink( |
| 486 | $title, $this->msg( 'purge' )->text(), [], [ 'action' => 'purge' ] ) |
| 487 | ) |
| 488 | ]; |
| 489 | } |
| 490 | |
| 491 | if ( $title->inNamespace( NS_CATEGORY ) ) { |
| 492 | $category = Category::newFromTitle( $title ); |
| 493 | |
| 494 | $allCount = $category->getMemberCount(); |
| 495 | $subcatCount = $category->getSubcatCount(); |
| 496 | $fileCount = $category->getFileCount(); |
| 497 | $pageCount = $category->getPageCount( Category::COUNT_CONTENT_PAGES ); |
| 498 | |
| 499 | $pageInfo['category-info'] = [ |
| 500 | [ |
| 501 | $this->msg( 'pageinfo-category-total' ), |
| 502 | $lang->formatNum( $allCount ) |
| 503 | ], |
| 504 | [ |
| 505 | $this->msg( 'pageinfo-category-pages' ), |
| 506 | $lang->formatNum( $pageCount ) |
| 507 | ], |
| 508 | [ |
| 509 | $this->msg( 'pageinfo-category-subcats' ), |
| 510 | $lang->formatNum( $subcatCount ) |
| 511 | ], |
| 512 | [ |
| 513 | $this->msg( 'pageinfo-category-files' ), |
| 514 | $lang->formatNum( $fileCount ) |
| 515 | ] |
| 516 | ]; |
| 517 | } |
| 518 | |
| 519 | // Display image SHA-1 value |
| 520 | if ( $title->inNamespace( NS_FILE ) ) { |
| 521 | $fileObj = $this->repoGroup->findFile( $title ); |
| 522 | if ( $fileObj !== false ) { |
| 523 | // Convert the base-36 sha1 value obtained from database to base-16 |
| 524 | $output = Wikimedia\base_convert( $fileObj->getSha1(), 36, 16, 40 ); |
| 525 | $pageInfo['header-basic'][] = [ |
| 526 | $this->msg( 'pageinfo-file-hash' ), |
| 527 | $output |
| 528 | ]; |
| 529 | } |
| 530 | } |
| 531 | |
| 532 | // Page protection |
| 533 | $pageInfo['header-restrictions'] = []; |
| 534 | |
| 535 | // Is this page affected by the cascading protection of something which includes it? |
| 536 | if ( $this->restrictionStore->isCascadeProtected( $title ) ) { |
| 537 | $cascadingFrom = ''; |
| 538 | $sources = $this->restrictionStore->getCascadeProtectionSources( $title )[0]; |
| 539 | |
| 540 | foreach ( $sources as $sourcePageIdentity ) { |
| 541 | $cascadingFrom .= Html::rawElement( |
| 542 | 'li', |
| 543 | [], |
| 544 | $linkRenderer->makeKnownLink( $sourcePageIdentity ) |
| 545 | ); |
| 546 | } |
| 547 | |
| 548 | $cascadingFrom = Html::rawElement( 'ul', [], $cascadingFrom ); |
| 549 | $pageInfo['header-restrictions'][] = [ |
| 550 | $this->msg( 'pageinfo-protect-cascading-from' ), |
| 551 | $cascadingFrom |
| 552 | ]; |
| 553 | } |
| 554 | |
| 555 | // Is out protection set to cascade to other pages? |
| 556 | if ( $this->restrictionStore->areRestrictionsCascading( $title ) ) { |
| 557 | $pageInfo['header-restrictions'][] = [ |
| 558 | $this->msg( 'pageinfo-protect-cascading' ), |
| 559 | $this->msg( 'pageinfo-protect-cascading-yes' ) |
| 560 | ]; |
| 561 | } |
| 562 | |
| 563 | // Page protection |
| 564 | foreach ( $this->restrictionStore->listApplicableRestrictionTypes( $title ) as $restrictionType ) { |
| 565 | $protections = $this->restrictionStore->getRestrictions( $title, $restrictionType ); |
| 566 | |
| 567 | switch ( count( $protections ) ) { |
| 568 | case 0: |
| 569 | $message = $this->getNamespaceProtectionMessage( $title ) ?? |
| 570 | // Allow all users by default |
| 571 | $this->msg( 'protect-default' )->escaped(); |
| 572 | break; |
| 573 | |
| 574 | case 1: |
| 575 | // Messages: protect-level-autoconfirmed, protect-level-sysop |
| 576 | $message = $this->msg( 'protect-level-' . $protections[0] ); |
| 577 | if ( !$message->isDisabled() ) { |
| 578 | $message = $message->escaped(); |
| 579 | break; |
| 580 | } |
| 581 | // Intentional fall-through if message is disabled (or non-existent) |
| 582 | |
| 583 | default: |
| 584 | // Require "$1" permission |
| 585 | $message = $this->msg( "protect-fallback", $lang->commaList( $protections ) )->parse(); |
| 586 | break; |
| 587 | } |
| 588 | $expiry = $this->restrictionStore->getRestrictionExpiry( $title, $restrictionType ); |
| 589 | $formattedexpiry = $expiry === null ? '' : $this->msg( |
| 590 | 'parentheses', |
| 591 | $lang->formatExpiry( $expiry, true, 'infinity', $user ) |
| 592 | )->escaped(); |
| 593 | $message .= $this->msg( 'word-separator' )->escaped() . $formattedexpiry; |
| 594 | |
| 595 | // Messages: restriction-edit, restriction-move, restriction-create, |
| 596 | // restriction-upload |
| 597 | $pageInfo['header-restrictions'][] = [ |
| 598 | $this->msg( "restriction-$restrictionType" ), $message |
| 599 | ]; |
| 600 | } |
| 601 | $protectLog = SpecialPage::getTitleFor( 'Log' ); |
| 602 | $pageInfo['header-restrictions'][] = [ |
| 603 | 'below', |
| 604 | $linkRenderer->makeKnownLink( |
| 605 | $protectLog, |
| 606 | $this->msg( 'pageinfo-view-protect-log' )->text(), |
| 607 | [], |
| 608 | [ 'type' => 'protect', 'page' => $title->getPrefixedText() ] |
| 609 | ), |
| 610 | ]; |
| 611 | |
| 612 | if ( !$this->getWikiPage()->exists() ) { |
| 613 | return $pageInfo; |
| 614 | } |
| 615 | |
| 616 | // Edit history |
| 617 | $pageInfo['header-edits'] = []; |
| 618 | |
| 619 | $firstRev = $this->revisionLookup->getFirstRevision( $this->getTitle() ); |
| 620 | $lastRev = $this->getWikiPage()->getRevisionRecord(); |
| 621 | $batch = $this->linkBatchFactory->newLinkBatch(); |
| 622 | if ( $firstRev ) { |
| 623 | $firstRevUser = $firstRev->getUser( RevisionRecord::FOR_THIS_USER, $user ); |
| 624 | if ( $firstRevUser ) { |
| 625 | $batch->add( NS_USER, $firstRevUser->getName() ); |
| 626 | $batch->add( NS_USER_TALK, $firstRevUser->getName() ); |
| 627 | } |
| 628 | } |
| 629 | |
| 630 | if ( $lastRev ) { |
| 631 | $lastRevUser = $lastRev->getUser( RevisionRecord::FOR_THIS_USER, $user ); |
| 632 | if ( $lastRevUser ) { |
| 633 | $batch->add( NS_USER, $lastRevUser->getName() ); |
| 634 | $batch->add( NS_USER_TALK, $lastRevUser->getName() ); |
| 635 | } |
| 636 | } |
| 637 | |
| 638 | $batch->execute(); |
| 639 | |
| 640 | if ( $firstRev ) { |
| 641 | // Page creator |
| 642 | $firstRevUser = $firstRev->getUser( RevisionRecord::FOR_THIS_USER, $user ); |
| 643 | // Check if the username is available – it may have been suppressed, in |
| 644 | // which case use the invalid user name '[HIDDEN]' to get the wiki's |
| 645 | // default user gender. |
| 646 | $firstRevUserName = $firstRevUser ? $firstRevUser->getName() : '[HIDDEN]'; |
| 647 | $pageInfo['header-edits'][] = [ |
| 648 | $this->msg( 'pageinfo-firstuser', $firstRevUserName ), |
| 649 | Linker::revUserTools( $firstRev ) |
| 650 | ]; |
| 651 | |
| 652 | // Date of page creation |
| 653 | $pageInfo['header-edits'][] = [ |
| 654 | $this->msg( 'pageinfo-firsttime' ), |
| 655 | $linkRenderer->makeKnownLink( |
| 656 | $title, |
| 657 | $lang->userTimeAndDate( $firstRev->getTimestamp(), $user ), |
| 658 | [], |
| 659 | [ 'oldid' => $firstRev->getId() ] |
| 660 | ) |
| 661 | ]; |
| 662 | } |
| 663 | |
| 664 | if ( $lastRev ) { |
| 665 | // Latest editor |
| 666 | $lastRevUser = $lastRev->getUser( RevisionRecord::FOR_THIS_USER, $user ); |
| 667 | // Check if the username is available – it may have been suppressed, in |
| 668 | // which case use the invalid user name '[HIDDEN]' to get the wiki's |
| 669 | // default user gender. |
| 670 | $lastRevUserName = $lastRevUser ? $lastRevUser->getName() : '[HIDDEN]'; |
| 671 | $pageInfo['header-edits'][] = [ |
| 672 | $this->msg( 'pageinfo-lastuser', $lastRevUserName ), |
| 673 | Linker::revUserTools( $lastRev ) |
| 674 | ]; |
| 675 | |
| 676 | // Date of latest edit |
| 677 | $pageInfo['header-edits'][] = [ |
| 678 | $this->msg( 'pageinfo-lasttime' ), |
| 679 | $linkRenderer->makeKnownLink( |
| 680 | $title, |
| 681 | $lang->userTimeAndDate( $this->getWikiPage()->getTimestamp(), $user ), |
| 682 | [], |
| 683 | [ 'oldid' => $this->getWikiPage()->getLatest() ] |
| 684 | ) |
| 685 | ]; |
| 686 | } |
| 687 | |
| 688 | // Total number of edits |
| 689 | $pageInfo['header-edits'][] = [ |
| 690 | $this->msg( 'pageinfo-edits' ), |
| 691 | $lang->formatNum( $pageCounts['edits'] ) |
| 692 | ]; |
| 693 | |
| 694 | // Total number of distinct authors |
| 695 | if ( $pageCounts['authors'] > 0 ) { |
| 696 | $pageInfo['header-edits'][] = [ |
| 697 | $this->msg( 'pageinfo-authors' ), |
| 698 | $lang->formatNum( $pageCounts['authors'] ) |
| 699 | ]; |
| 700 | } |
| 701 | |
| 702 | // Recent number of edits (within past 30 days) |
| 703 | $pageInfo['header-edits'][] = [ |
| 704 | $this->msg( |
| 705 | 'pageinfo-recent-edits', |
| 706 | $lang->formatDuration( $config->get( MainConfigNames::RCMaxAge ) ) |
| 707 | ), |
| 708 | $lang->formatNum( $pageCounts['recent_edits'] ) |
| 709 | ]; |
| 710 | |
| 711 | // Recent number of distinct authors |
| 712 | $pageInfo['header-edits'][] = [ |
| 713 | $this->msg( 'pageinfo-recent-authors' ), |
| 714 | $lang->formatNum( $pageCounts['recent_authors'] ) |
| 715 | ]; |
| 716 | |
| 717 | // Array of magic word IDs |
| 718 | $wordIDs = $this->magicWordFactory->getDoubleUnderscoreArray()->getNames(); |
| 719 | |
| 720 | // Array of IDs => localized magic words |
| 721 | $localizedWords = $this->contentLanguage->getMagicWords(); |
| 722 | |
| 723 | $listItems = []; |
| 724 | foreach ( $pageProperties as $property => $value ) { |
| 725 | if ( in_array( $property, $wordIDs ) ) { |
| 726 | $listItems[] = Html::element( 'li', [], $localizedWords[$property][1] ); |
| 727 | } |
| 728 | } |
| 729 | |
| 730 | $localizedList = Html::rawElement( 'ul', [], implode( '', $listItems ) ); |
| 731 | $hiddenCategories = $this->getWikiPage()->getHiddenCategories(); |
| 732 | |
| 733 | if ( |
| 734 | count( $listItems ) > 0 || |
| 735 | count( $hiddenCategories ) > 0 || |
| 736 | $pageCounts['transclusion']['from'] > 0 || |
| 737 | $pageCounts['transclusion']['to'] > 0 |
| 738 | ) { |
| 739 | $options = [ 'LIMIT' => $config->get( MainConfigNames::PageInfoTransclusionLimit ) ]; |
| 740 | $transcludedTemplates = $title->getTemplateLinksFrom( $options ); |
| 741 | if ( $config->get( MainConfigNames::MiserMode ) ) { |
| 742 | $transcludedTargets = []; |
| 743 | } else { |
| 744 | $transcludedTargets = $title->getTemplateLinksTo( $options ); |
| 745 | } |
| 746 | |
| 747 | // Page properties |
| 748 | $pageInfo['header-properties'] = []; |
| 749 | |
| 750 | // Magic words |
| 751 | if ( count( $listItems ) > 0 ) { |
| 752 | $pageInfo['header-properties'][] = [ |
| 753 | $this->msg( 'pageinfo-magic-words' )->numParams( count( $listItems ) ), |
| 754 | $localizedList |
| 755 | ]; |
| 756 | } |
| 757 | |
| 758 | // Hidden categories |
| 759 | if ( count( $hiddenCategories ) > 0 ) { |
| 760 | $pageInfo['header-properties'][] = [ |
| 761 | $this->msg( 'pageinfo-hidden-categories' ) |
| 762 | ->numParams( count( $hiddenCategories ) ), |
| 763 | Linker::formatHiddenCategories( $hiddenCategories ) |
| 764 | ]; |
| 765 | } |
| 766 | |
| 767 | // Transcluded templates |
| 768 | if ( $pageCounts['transclusion']['from'] > 0 ) { |
| 769 | if ( $pageCounts['transclusion']['from'] > count( $transcludedTemplates ) ) { |
| 770 | $more = $this->msg( 'morenotlisted' )->escaped(); |
| 771 | } else { |
| 772 | $more = null; |
| 773 | } |
| 774 | |
| 775 | $templateListFormatter = new TemplatesOnThisPageFormatter( |
| 776 | $this->getContext(), |
| 777 | $linkRenderer, |
| 778 | $this->linkBatchFactory, |
| 779 | $this->restrictionStore |
| 780 | ); |
| 781 | |
| 782 | $pageInfo['header-properties'][] = [ |
| 783 | $this->msg( 'pageinfo-templates' ) |
| 784 | ->numParams( $pageCounts['transclusion']['from'] ), |
| 785 | $templateListFormatter->format( $transcludedTemplates, false, $more ) |
| 786 | ]; |
| 787 | } |
| 788 | |
| 789 | if ( !$config->get( MainConfigNames::MiserMode ) && $pageCounts['transclusion']['to'] > 0 ) { |
| 790 | if ( $pageCounts['transclusion']['to'] > count( $transcludedTargets ) ) { |
| 791 | $more = $linkRenderer->makeLink( |
| 792 | $whatLinksHere, |
| 793 | $this->msg( 'moredotdotdot' )->text(), |
| 794 | [], |
| 795 | [ 'hidelinks' => 1, 'hideredirs' => 1 ] |
| 796 | ); |
| 797 | } else { |
| 798 | $more = null; |
| 799 | } |
| 800 | |
| 801 | $templateListFormatter = new TemplatesOnThisPageFormatter( |
| 802 | $this->getContext(), |
| 803 | $linkRenderer, |
| 804 | $this->linkBatchFactory, |
| 805 | $this->restrictionStore |
| 806 | ); |
| 807 | |
| 808 | $pageInfo['header-properties'][] = [ |
| 809 | $this->msg( 'pageinfo-transclusions' ) |
| 810 | ->numParams( $pageCounts['transclusion']['to'] ), |
| 811 | $templateListFormatter->format( $transcludedTargets, false, $more ) |
| 812 | ]; |
| 813 | } |
| 814 | } |
| 815 | |
| 816 | return $pageInfo; |
| 817 | } |
| 818 | |
| 819 | /** |
| 820 | * Get namespace protection message for title or null if no namespace protection |
| 821 | * has been applied |
| 822 | * |
| 823 | * @param Title $title |
| 824 | * @return ?string HTML |
| 825 | */ |
| 826 | private function getNamespaceProtectionMessage( Title $title ): ?string { |
| 827 | $rights = []; |
| 828 | if ( $title->isRawHtmlMessage() ) { |
| 829 | $rights[] = 'editsitecss'; |
| 830 | $rights[] = 'editsitejs'; |
| 831 | } elseif ( $title->isSiteCssConfigPage() ) { |
| 832 | $rights[] = 'editsitecss'; |
| 833 | } elseif ( $title->isSiteJsConfigPage() ) { |
| 834 | $rights[] = 'editsitejs'; |
| 835 | } elseif ( $title->isSiteJsonConfigPage() ) { |
| 836 | $rights[] = 'editsitejson'; |
| 837 | } elseif ( $title->isUserCssConfigPage() ) { |
| 838 | $rights[] = 'editusercss'; |
| 839 | } elseif ( $title->isUserJsConfigPage() ) { |
| 840 | $rights[] = 'edituserjs'; |
| 841 | } elseif ( $title->isUserJsonConfigPage() ) { |
| 842 | $rights[] = 'edituserjson'; |
| 843 | } else { |
| 844 | $namespaceProtection = $this->context->getConfig()->get( MainConfigNames::NamespaceProtection ); |
| 845 | $right = $namespaceProtection[$title->getNamespace()] ?? null; |
| 846 | if ( $right ) { |
| 847 | // a single string as the value is allowed as well as an array |
| 848 | $rights = (array)$right; |
| 849 | } |
| 850 | } |
| 851 | if ( $rights ) { |
| 852 | return $this->msg( 'protect-fallback', $this->getLanguage()->commaList( $rights ) )->parse(); |
| 853 | } else { |
| 854 | return null; |
| 855 | } |
| 856 | } |
| 857 | |
| 858 | /** |
| 859 | * Returns page counts that would be too "expensive" to retrieve by normal means. |
| 860 | * |
| 861 | * @return array |
| 862 | */ |
| 863 | private function pageCounts() { |
| 864 | $page = $this->getWikiPage(); |
| 865 | $fname = __METHOD__; |
| 866 | $config = $this->context->getConfig(); |
| 867 | $cache = $this->wanObjectCache; |
| 868 | |
| 869 | return $cache->getWithSetCallback( |
| 870 | self::getCacheKey( $cache, $page->getTitle(), $page->getLatest() ), |
| 871 | WANObjectCache::TTL_WEEK, |
| 872 | function ( $oldValue, &$ttl, &$setOpts ) use ( $page, $config, $fname ) { |
| 873 | $title = $page->getTitle(); |
| 874 | $id = $title->getArticleID(); |
| 875 | |
| 876 | $dbr = $this->dbProvider->getReplicaDatabase(); |
| 877 | $setOpts += Database::getCacheSetOptions( $dbr ); |
| 878 | |
| 879 | $field = 'rev_actor'; |
| 880 | $pageField = 'rev_page'; |
| 881 | |
| 882 | $watchedItemStore = $this->watchedItemStore; |
| 883 | |
| 884 | $result = []; |
| 885 | $result['watchers'] = $watchedItemStore->countWatchers( $title ); |
| 886 | |
| 887 | if ( $config->get( MainConfigNames::ShowUpdatedMarker ) ) { |
| 888 | $updated = (int)wfTimestamp( TS_UNIX, $page->getTimestamp() ); |
| 889 | $result['visitingWatchers'] = $watchedItemStore->countVisitingWatchers( |
| 890 | $title, |
| 891 | $updated - $config->get( MainConfigNames::WatchersMaxAge ) |
| 892 | ); |
| 893 | } |
| 894 | |
| 895 | // Total number of edits |
| 896 | $edits = (int)$dbr->newSelectQueryBuilder() |
| 897 | ->select( 'COUNT(*)' ) |
| 898 | ->from( 'revision' ) |
| 899 | ->where( [ 'rev_page' => $id ] ) |
| 900 | ->caller( $fname ) |
| 901 | ->fetchField(); |
| 902 | $result['edits'] = $edits; |
| 903 | |
| 904 | // Total number of distinct authors |
| 905 | if ( $config->get( MainConfigNames::MiserMode ) ) { |
| 906 | $result['authors'] = 0; |
| 907 | } else { |
| 908 | $result['authors'] = (int)$dbr->newSelectQueryBuilder() |
| 909 | ->select( "COUNT(DISTINCT $field)" ) |
| 910 | ->from( 'revision' ) |
| 911 | ->where( [ $pageField => $id ] ) |
| 912 | ->caller( $fname ) |
| 913 | ->fetchField(); |
| 914 | } |
| 915 | |
| 916 | // "Recent" threshold defined by RCMaxAge setting |
| 917 | $threshold = $dbr->timestamp( time() - $config->get( MainConfigNames::RCMaxAge ) ); |
| 918 | |
| 919 | // Recent number of edits |
| 920 | $edits = (int)$dbr->newSelectQueryBuilder() |
| 921 | ->select( 'COUNT(rev_page)' ) |
| 922 | ->from( 'revision' ) |
| 923 | ->where( [ 'rev_page' => $id ] ) |
| 924 | ->andWhere( $dbr->expr( 'rev_timestamp', '>=', $threshold ) ) |
| 925 | ->caller( $fname ) |
| 926 | ->fetchField(); |
| 927 | $result['recent_edits'] = $edits; |
| 928 | |
| 929 | // Recent number of distinct authors |
| 930 | $result['recent_authors'] = (int)$dbr->newSelectQueryBuilder() |
| 931 | ->select( "COUNT(DISTINCT $field)" ) |
| 932 | ->from( 'revision' ) |
| 933 | ->where( [ $pageField => $id ] ) |
| 934 | ->andWhere( [ $dbr->expr( 'rev_timestamp', '>=', $threshold ) ] ) |
| 935 | ->caller( $fname ) |
| 936 | ->fetchField(); |
| 937 | |
| 938 | // Subpages (if enabled) |
| 939 | if ( $this->namespaceInfo->hasSubpages( $title->getNamespace() ) ) { |
| 940 | $conds = [ 'page_namespace' => $title->getNamespace() ]; |
| 941 | $conds[] = $dbr->expr( |
| 942 | 'page_title', |
| 943 | IExpression::LIKE, |
| 944 | new LikeValue( $title->getDBkey() . '/', $dbr->anyString() ) |
| 945 | ); |
| 946 | |
| 947 | // Subpages of this page (redirects) |
| 948 | $conds['page_is_redirect'] = 1; |
| 949 | $result['subpages']['redirects'] = (int)$dbr->newSelectQueryBuilder() |
| 950 | ->select( 'COUNT(page_id)' ) |
| 951 | ->from( 'page' ) |
| 952 | ->where( $conds ) |
| 953 | ->caller( $fname ) |
| 954 | ->fetchField(); |
| 955 | // Subpages of this page (non-redirects) |
| 956 | $conds['page_is_redirect'] = 0; |
| 957 | $result['subpages']['nonredirects'] = (int)$dbr->newSelectQueryBuilder() |
| 958 | ->select( 'COUNT(page_id)' ) |
| 959 | ->from( 'page' ) |
| 960 | ->where( $conds ) |
| 961 | ->caller( $fname ) |
| 962 | ->fetchField(); |
| 963 | |
| 964 | // Subpages of this page (total) |
| 965 | $result['subpages']['total'] = $result['subpages']['redirects'] |
| 966 | + $result['subpages']['nonredirects']; |
| 967 | } |
| 968 | |
| 969 | // Counts for the number of transclusion links (to/from) |
| 970 | if ( $config->get( MainConfigNames::MiserMode ) ) { |
| 971 | $result['transclusion']['to'] = 0; |
| 972 | } else { |
| 973 | $result['transclusion']['to'] = (int)$dbr->newSelectQueryBuilder() |
| 974 | ->select( 'COUNT(tl_from)' ) |
| 975 | ->from( 'templatelinks' ) |
| 976 | ->where( $this->linksMigration->getLinksConditions( 'templatelinks', $title ) ) |
| 977 | ->caller( $fname ) |
| 978 | ->fetchField(); |
| 979 | } |
| 980 | |
| 981 | $result['transclusion']['from'] = (int)$dbr->newSelectQueryBuilder() |
| 982 | ->select( 'COUNT(*)' ) |
| 983 | ->from( 'templatelinks' ) |
| 984 | ->where( [ 'tl_from' => $title->getArticleID() ] ) |
| 985 | ->caller( $fname ) |
| 986 | ->fetchField(); |
| 987 | |
| 988 | return $result; |
| 989 | } |
| 990 | ); |
| 991 | } |
| 992 | |
| 993 | /** |
| 994 | * Returns the name that goes in the "<h1>" page title. |
| 995 | * |
| 996 | * @return string |
| 997 | */ |
| 998 | protected function getPageTitle() { |
| 999 | return $this->msg( 'pageinfo-title' )->plaintextParams( $this->getTitle()->getPrefixedText() ); |
| 1000 | } |
| 1001 | |
| 1002 | /** |
| 1003 | * Returns the description that goes below the "<h1>" tag. |
| 1004 | * |
| 1005 | * @return string |
| 1006 | */ |
| 1007 | protected function getDescription() { |
| 1008 | return ''; |
| 1009 | } |
| 1010 | |
| 1011 | /** |
| 1012 | * @param WANObjectCache $cache |
| 1013 | * @param PageIdentity $page |
| 1014 | * @param int $revId |
| 1015 | * @return string |
| 1016 | */ |
| 1017 | protected static function getCacheKey( WANObjectCache $cache, PageIdentity $page, $revId ) { |
| 1018 | return $cache->makeKey( 'infoaction', md5( (string)$page ), $revId, self::VERSION ); |
| 1019 | } |
| 1020 | } |