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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\Interwiki; |
| 4 | |
| 5 | use MediaWiki\MediaWikiServices; |
| 6 | use MediaWiki\Permissions\Hook\UserGetAllRightsHook; |
| 7 | use MediaWiki\WikiMap\WikiMap; |
| 8 | |
| 9 | class Hooks implements UserGetAllRightsHook { |
| 10 | /** @var bool */ |
| 11 | private static $shouldSkipIWCheck = false; |
| 12 | /** @var bool */ |
| 13 | private static $shouldSkipILCheck = false; |
| 14 | |
| 15 | public static function onExtensionFunctions() { |
| 16 | global $wgInterwikiViewOnly; |
| 17 | |
| 18 | if ( !$wgInterwikiViewOnly ) { |
| 19 | global $wgLogTypes; |
| 20 | |
| 21 | // Set up the new log type - interwiki actions are logged to this new log |
| 22 | // TODO: Move this out of an extension function once T200385 is implemented. |
| 23 | $wgLogTypes[] = 'interwiki'; |
| 24 | } |
| 25 | // Register the (deprecated) InterwikiLoadPrefix hook only if one |
| 26 | // of the wgInterwiki*CentralDB globals is set. |
| 27 | global $wgInterwikiCentralDB, $wgInterwikiCentralInterlanguageDB; |
| 28 | |
| 29 | self::$shouldSkipIWCheck = ( |
| 30 | $wgInterwikiCentralDB === null || |
| 31 | $wgInterwikiCentralDB === WikiMap::getCurrentWikiId() |
| 32 | ); |
| 33 | self::$shouldSkipILCheck = ( |
| 34 | $wgInterwikiCentralInterlanguageDB === null || |
| 35 | $wgInterwikiCentralInterlanguageDB === WikiMap::getCurrentWikiId() |
| 36 | ); |
| 37 | if ( self::$shouldSkipIWCheck && self::$shouldSkipILCheck ) { |
| 38 | // Bail out early if _neither_ $wgInterwiki*CentralDB |
| 39 | // global is set; if one or both are set, we gotta register |
| 40 | // the InterwikiLoadPrefix hook. |
| 41 | return; |
| 42 | } |
| 43 | // This will trigger a deprecation warning in MW 1.36+ |
| 44 | MediaWikiServices::getInstance()->getHookContainer()->register( |
| 45 | 'InterwikiLoadPrefix', 'MediaWiki\Extension\Interwiki\Hooks::onInterwikiLoadPrefix' |
| 46 | ); |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * @param array &$rights |
| 51 | */ |
| 52 | public function onUserGetAllRights( &$rights ) { |
| 53 | global $wgInterwikiViewOnly; |
| 54 | if ( !$wgInterwikiViewOnly ) { |
| 55 | // New user right, required to modify the interwiki table through Special:Interwiki |
| 56 | $rights[] = 'interwiki'; |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | public static function onInterwikiLoadPrefix( $prefix, &$iwData ) { |
| 61 | global $wgInterwikiCentralDB, $wgInterwikiCentralInterlanguageDB; |
| 62 | |
| 63 | $services = MediaWikiServices::getInstance(); |
| 64 | $connectionProvider = $services->getConnectionProvider(); |
| 65 | $isInterlanguageLink = $services->getLanguageNameUtils()->getLanguageName( $prefix ); |
| 66 | if ( !$isInterlanguageLink && !self::$shouldSkipIWCheck ) { |
| 67 | // Check if prefix exists locally and skip |
| 68 | $lookup = $services->getInterwikiLookup(); |
| 69 | foreach ( $lookup->getAllPrefixes( null ) as $id => $localPrefixInfo ) { |
| 70 | if ( $prefix === $localPrefixInfo['iw_prefix'] ) { |
| 71 | return true; |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | $dbrCentralDB = $connectionProvider->getReplicaDatabase( $wgInterwikiCentralDB ?? false ); |
| 76 | |
| 77 | $res = $dbrCentralDB->newSelectQueryBuilder() |
| 78 | ->select( '*' ) |
| 79 | ->from( 'interwiki' ) |
| 80 | ->where( [ 'iw_prefix' => $prefix ] ) |
| 81 | ->caller( __METHOD__ ) |
| 82 | ->fetchRow(); |
| 83 | if ( !$res ) { |
| 84 | return true; |
| 85 | } |
| 86 | // Explicitly make this an array since it's expected to be one |
| 87 | $iwData = (array)$res; |
| 88 | // At this point, we can safely return false because we know that we have something |
| 89 | return false; |
| 90 | } elseif ( $isInterlanguageLink && !self::$shouldSkipILCheck ) { |
| 91 | // Global interlanguage link? Whoo! |
| 92 | $dbrCentralLangDB = $connectionProvider->getReplicaDatabase( $wgInterwikiCentralInterlanguageDB ?? false ); |
| 93 | |
| 94 | $res = $dbrCentralLangDB->newSelectQueryBuilder() |
| 95 | ->select( '*' ) |
| 96 | ->from( 'interwiki' ) |
| 97 | ->where( [ 'iw_prefix' => $prefix ] ) |
| 98 | ->caller( __METHOD__ ) |
| 99 | ->fetchRow(); |
| 100 | if ( !$res ) { |
| 101 | return false; |
| 102 | } |
| 103 | // Explicitly make this an array since it's expected to be one |
| 104 | $iwData = (array)$res; |
| 105 | // At this point, we can safely return false because we know that we have something |
| 106 | return false; |
| 107 | } |
| 108 | } |
| 109 | } |