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<?php
namespace MediaWiki\Extension\Interwiki;
use MediaWiki\MediaWikiServices;
use MediaWiki\Permissions\Hook\UserGetAllRightsHook;
use MediaWiki\WikiMap\WikiMap;
class Hooks implements UserGetAllRightsHook {
/** @var bool */
private static $shouldSkipIWCheck = false;
/** @var bool */
private static $shouldSkipILCheck = false;
public static function onExtensionFunctions() {
global $wgInterwikiViewOnly;
if ( !$wgInterwikiViewOnly ) {
global $wgLogTypes;
// Set up the new log type - interwiki actions are logged to this new log
// TODO: Move this out of an extension function once T200385 is implemented.
$wgLogTypes[] = 'interwiki';
}
// Register the (deprecated) InterwikiLoadPrefix hook only if one
// of the wgInterwiki*CentralDB globals is set.
global $wgInterwikiCentralDB, $wgInterwikiCentralInterlanguageDB;
self::$shouldSkipIWCheck = (
$wgInterwikiCentralDB === null ||
$wgInterwikiCentralDB === WikiMap::getCurrentWikiId()
);
self::$shouldSkipILCheck = (
$wgInterwikiCentralInterlanguageDB === null ||
$wgInterwikiCentralInterlanguageDB === WikiMap::getCurrentWikiId()
);
if ( self::$shouldSkipIWCheck && self::$shouldSkipILCheck ) {
// Bail out early if _neither_ $wgInterwiki*CentralDB
// global is set; if one or both are set, we gotta register
// the InterwikiLoadPrefix hook.
return;
}
// This will trigger a deprecation warning in MW 1.36+
MediaWikiServices::getInstance()->getHookContainer()->register(
'InterwikiLoadPrefix', 'MediaWiki\Extension\Interwiki\Hooks::onInterwikiLoadPrefix'
);
}
/**
* @param array &$rights
*/
public function onUserGetAllRights( &$rights ) {
global $wgInterwikiViewOnly;
if ( !$wgInterwikiViewOnly ) {
// New user right, required to modify the interwiki table through Special:Interwiki
$rights[] = 'interwiki';
}
}
public static function onInterwikiLoadPrefix( $prefix, &$iwData ) {
global $wgInterwikiCentralDB, $wgInterwikiCentralInterlanguageDB;
$services = MediaWikiServices::getInstance();
$connectionProvider = $services->getConnectionProvider();
$isInterlanguageLink = $services->getLanguageNameUtils()->getLanguageName( $prefix );
if ( !$isInterlanguageLink && !self::$shouldSkipIWCheck ) {
// Check if prefix exists locally and skip
$lookup = $services->getInterwikiLookup();
foreach ( $lookup->getAllPrefixes( null ) as $id => $localPrefixInfo ) {
if ( $prefix === $localPrefixInfo['iw_prefix'] ) {
return true;
}
}
$dbrCentralDB = $connectionProvider->getReplicaDatabase( $wgInterwikiCentralDB ?? false );
$res = $dbrCentralDB->newSelectQueryBuilder()
->select( '*' )
->from( 'interwiki' )
->where( [ 'iw_prefix' => $prefix ] )
->caller( __METHOD__ )
->fetchRow();
if ( !$res ) {
return true;
}
// Explicitly make this an array since it's expected to be one
$iwData = (array)$res;
// At this point, we can safely return false because we know that we have something
return false;
} elseif ( $isInterlanguageLink && !self::$shouldSkipILCheck ) {
// Global interlanguage link? Whoo!
$dbrCentralLangDB = $connectionProvider->getReplicaDatabase( $wgInterwikiCentralInterlanguageDB ?? false );
$res = $dbrCentralLangDB->newSelectQueryBuilder()
->select( '*' )
->from( 'interwiki' )
->where( [ 'iw_prefix' => $prefix ] )
->caller( __METHOD__ )
->fetchRow();
if ( !$res ) {
return false;
}
// Explicitly make this an array since it's expected to be one
$iwData = (array)$res;
// At this point, we can safely return false because we know that we have something
return false;
}
}
}
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