1 files changed, 42 insertions, 0 deletions
diff --git a/www/wiki/includes/externalstore/ExternalStoreFactory.php b/www/wiki/includes/externalstore/ExternalStoreFactory.php
new file mode 100644
index 00000000..940fb2e2
--- /dev/null
+++ b/www/wiki/includes/externalstore/ExternalStoreFactory.php
@@ -0,0 +1,42 @@
+<?php
+/**
+ * @defgroup ExternalStorage ExternalStorage
+ */
+
+/**
+ * @ingroup ExternalStorage
+ */
+class ExternalStoreFactory {
+
+	/**
+	 * @var array
+	 */
+	private $externalStores;
+
+	/**
+	 * @param array $externalStores See $wgExternalStores
+	 */
+	public function __construct( array $externalStores ) {
+		$this->externalStores = array_map( 'strtolower', $externalStores );
+	}
+
+	/**
+	 * Get an external store object of the given type, with the given parameters
+	 *
+	 * @param string $proto Type of external storage, should be a value in $wgExternalStores
+	 * @param array $params Associative array of ExternalStoreMedium parameters
+	 * @return ExternalStoreMedium|bool The store class or false on error
+	 */
+	public function getStoreObject( $proto, array $params = [] ) {
+		if ( !$this->externalStores || !in_array( strtolower( $proto ), $this->externalStores ) ) {
+			// Protocol not enabled
+			return false;
+		}
+
+		$class = 'ExternalStore' . ucfirst( $proto );
+
+		// Any custom modules should be added to $wgAutoLoadClasses for on-demand loading
+		return class_exists( $class ) ? new $class( $params ) : false;
+	}
+
+}