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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Skins\Vector; |
| 4 | |
| 5 | use MediaWiki\MediaWikiServices; |
| 6 | use MediaWiki\Request\WebRequest; |
| 7 | use MediaWiki\Title\Title; |
| 8 | |
| 9 | /** |
| 10 | * @stable for use inside Minerva as a soft dependency temporarily until T360452 is resolved. |
| 11 | * @see doc/adr/0004-code-sharing-between-vector-and-minerva.md |
| 12 | */ |
| 13 | class ConfigHelper { |
| 14 | |
| 15 | /** |
| 16 | * Determine whether the configuration should be disabled on the page. |
| 17 | * |
| 18 | * @param array $options read from MediaWiki configuration. |
| 19 | * $params = [ |
| 20 | * 'exclude' => [ |
| 21 | * 'mainpage' => (bool) should it be disabled on the main page? |
| 22 | * 'namespaces' => int[] namespaces it should be excluded on. |
| 23 | * 'querystring' => array of strings mapping to regex for patterns |
| 24 | * the query strings it should be excluded on |
| 25 | * e.g. [ 'action' => '*' ] disable on all actions |
| 26 | * 'pagetitles' => string[] of pages it should be excluded on. |
| 27 | * For special pages, use canonical English name. |
| 28 | * ] |
| 29 | * ] |
| 30 | * @param WebRequest $request |
| 31 | * @param Title|null $title |
| 32 | * |
| 33 | * @return bool |
| 34 | */ |
| 35 | public static function shouldDisable( array $options, WebRequest $request, Title $title = null ) { |
| 36 | $canonicalTitle = $title != null ? $title->getRootTitle() : null; |
| 37 | |
| 38 | $exclusions = $options[ 'exclude' ] ?? []; |
| 39 | $inclusions = $options['include'] ?? []; |
| 40 | |
| 41 | if ( $title != null && $title->isMainPage() ) { |
| 42 | // only one check to make |
| 43 | return $exclusions[ 'mainpage' ] ?? false; |
| 44 | } elseif ( $canonicalTitle != null && $canonicalTitle->isSpecialPage() ) { |
| 45 | $spFactory = MediaWikiServices::getInstance()->getSpecialPageFactory(); |
| 46 | [ $canonicalName, $par ] = $spFactory->resolveAlias( $canonicalTitle->getDBKey() ); |
| 47 | if ( $canonicalName ) { |
| 48 | $canonicalTitle = Title::makeTitle( NS_SPECIAL, $canonicalName ); |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | // |
| 53 | // Check the inclusions based on the canonical title |
| 54 | // The inclusions are checked first as these trump any exclusions. |
| 55 | // |
| 56 | // Now we have the canonical title and the inclusions link we look for any matches. |
| 57 | foreach ( $inclusions as $titleText ) { |
| 58 | $includedTitle = Title::newFromText( $titleText ); |
| 59 | |
| 60 | if ( $canonicalTitle->equals( $includedTitle ) ) { |
| 61 | return false; |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | // |
| 66 | // Check the excluded page titles based on the canonical title |
| 67 | // |
| 68 | // Now we have the canonical title and the exclusions link we look for any matches. |
| 69 | $pageTitles = $exclusions[ 'pagetitles' ] ?? []; |
| 70 | foreach ( $pageTitles as $titleText ) { |
| 71 | // use strtolower to make sure the config passed for special pages |
| 72 | // is case insensitive, so it does not generate a wrong special page title |
| 73 | $titleText = $canonicalTitle->isSpecialPage() ? strtolower( $titleText ) : $titleText; |
| 74 | $excludedTitle = Title::newFromText( $titleText ); |
| 75 | |
| 76 | if ( $canonicalTitle != null && $canonicalTitle->equals( $excludedTitle ) ) { |
| 77 | return true; |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | // |
| 82 | // Check the exclusions |
| 83 | // If nothing matches the exclusions to determine what should happen |
| 84 | // |
| 85 | $excludeNamespaces = $exclusions[ 'namespaces' ] ?? []; |
| 86 | if ( $title != null && $title->inNamespaces( $excludeNamespaces ) ) { |
| 87 | return true; |
| 88 | } |
| 89 | |
| 90 | $excludeQueryString = $exclusions[ 'querystring' ] ?? []; |
| 91 | foreach ( $excludeQueryString as $param => $excludedParamPattern ) { |
| 92 | $paramValue = $request->getRawVal( $param ); |
| 93 | if ( $paramValue !== null ) { |
| 94 | if ( $excludedParamPattern === '*' ) { |
| 95 | // Backwards compatibility for the '*' wildcard. |
| 96 | $excludedParamPattern = '.+'; |
| 97 | } |
| 98 | return (bool)preg_match( "/$excludedParamPattern/", $paramValue ); |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | return false; |
| 103 | } |
| 104 | } |