X-Git-Url: https://git.heureux-cyclage.org/?p=lhc%2Fweb%2Fwiklou.git;a=blobdiff_plain;f=includes%2FWikiMap.php;h=9cc308d228a89ed0f122d65b1c00ddcf7291c021;hp=6a532e5da5f3a748a9d32979ff103ddf11bf8cf8;hb=a7e147b7ee64830788a67779e2d8137017c0e919;hpb=a00e369aff80b2b338f26829b27cdeb8c66bf291

diff --git a/includes/WikiMap.php b/includes/WikiMap.php
index 6a532e5da5..9cc308d228 100644
--- a/includes/WikiMap.php
+++ b/includes/WikiMap.php
@@ -20,8 +20,11 @@
  * @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 {
 
@@ -81,7 +84,7 @@ 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 ) {
@@ -174,4 +177,118 @@ class WikiMap {
 
 		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();
+	}
+
+	/**
+	 * @param DatabaseDomain|string $domain
+	 * @return bool Whether $domain has the same DB/prefix as the current wiki
+	 * @since 1.33
+	 */
+	public static function isCurrentWikiDbDomain( $domain ) {
+		$domain = DatabaseDomain::newFromId( $domain );
+		$curDomain = self::getCurrentWikiDbDomain();
+
+		if ( !in_array( $curDomain->getSchema(), [ null, 'mediawiki' ], true ) ) {
+			// Include the schema if it is set and is not the default placeholder.
+			// This means a site admin may have specifically taylored the schemas.
+			// Domain IDs might use the form <DB>-<project>-<language>, meaning that
+			// the schema portion must be accounted for to disambiguate wikis.
+			return $curDomain->equals( $domain );
+		}
+
+		return (
+			$curDomain->getDatabase() === $domain->getDatabase() &&
+			$curDomain->getTablePrefix() === $domain->getTablePrefix()
+		);
+	}
+
+	/**
+	 * @return DatabaseDomain Database domain of the current wiki
+	 * @since 1.33
+	 */
+	public static function getCurrentWikiDbDomain() {
+		global $wgDBname, $wgDBmwschema, $wgDBprefix;
+		// Avoid invoking LBFactory to avoid any chance of recursion
+		return new DatabaseDomain( $wgDBname, $wgDBmwschema, (string)$wgDBprefix );
+	}
 }