* @file
*/
+use MediaWiki\MediaWikiServices;
+use Wikimedia\Rdbms\DatabaseDomain;
+
/**
- * Helper tools for dealing with other wikis.
+ * Helper tools for dealing with other locally-hosted wikis.
*/
class WikiMap {
* @return WikiReference|null WikiReference object or null if the wiki was not found
*/
private static function getWikiWikiReferenceFromSites( $wikiID ) {
- $siteLookup = \MediaWiki\MediaWikiServices::getInstance()->getSiteLookup();
+ $siteLookup = MediaWikiServices::getInstance()->getSiteLookup();
$site = $siteLookup->getSite( $wikiID );
if ( !$site instanceof MediaWikiSite ) {
return false;
}
+
+ /**
+ * Get canonical server info for all local wikis in the map that have one
+ *
+ * @return array Map of (local wiki ID => map of (url,parts))
+ * @since 1.30
+ */
+ public static function getCanonicalServerInfoForAllWikis() {
+ $cache = MediaWikiServices::getInstance()->getLocalServerObjectCache();
+
+ return $cache->getWithSetCallback(
+ $cache->makeGlobalKey( 'wikimap', 'canonical-urls' ),
+ $cache::TTL_DAY,
+ function () {
+ global $wgLocalDatabases, $wgCanonicalServer;
+
+ $infoMap = [];
+ // Make sure at least the current wiki is set, for simple configurations.
+ // This also makes it the first in the map, which is useful for common cases.
+ $infoMap[wfWikiID()] = [
+ 'url' => $wgCanonicalServer,
+ 'parts' => wfParseUrl( $wgCanonicalServer )
+ ];
+
+ foreach ( $wgLocalDatabases as $wikiId ) {
+ $wikiReference = self::getWiki( $wikiId );
+ if ( $wikiReference ) {
+ $url = $wikiReference->getCanonicalServer();
+ $infoMap[$wikiId] = [ 'url' => $url, 'parts' => wfParseUrl( $url ) ];
+ }
+ }
+
+ return $infoMap;
+ }
+ );
+ }
+
+ /**
+ * @param string $url
+ * @return bool|string Wiki ID or false
+ * @since 1.30
+ */
+ public static function getWikiFromUrl( $url ) {
+ $urlPartsCheck = wfParseUrl( $url );
+ if ( $urlPartsCheck === false ) {
+ return false;
+ }
+
+ $urlPartsCheck = array_intersect_key( $urlPartsCheck, [ 'host' => 1, 'port' => 1 ] );
+ foreach ( self::getCanonicalServerInfoForAllWikis() as $wikiId => $info ) {
+ $urlParts = $info['parts'];
+ if ( $urlParts === false ) {
+ continue; // sanity
+ }
+
+ $urlParts = array_intersect_key( $urlParts, [ 'host' => 1, 'port' => 1 ] );
+ if ( $urlParts == $urlPartsCheck ) {
+ return $wikiId;
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Get the wiki ID of a database domain
+ *
+ * This is like DatabaseDomain::getId() without encoding (for legacy reasons)
+ *
+ * @param string|DatabaseDomain $domain
+ * @return string
+ */
+ public static function getWikiIdFromDomain( $domain ) {
+ if ( !( $domain instanceof DatabaseDomain ) ) {
+ $domain = DatabaseDomain::newFromId( $domain );
+ }
+
+ return strlen( $domain->getTablePrefix() )
+ ? "{$domain->getDatabase()}-{$domain->getTablePrefix()}"
+ : $domain->getDatabase();
+ }
}