adding getDirectDownload() to Wrapper

lib/private/connector/sabre/filesplugin.php

@@ -39,7 +39,7 @@ class OC_Connector_Sabre_FilesPlugin extends \Sabre\DAV\ServerPlugin
 		$server->protectedProperties[] = '{' . self::NS_OWNCLOUD . '}id';
 		$server->protectedProperties[] = '{' . self::NS_OWNCLOUD . '}permissions';
 		$server->protectedProperties[] = '{' . self::NS_OWNCLOUD . '}size';
-		$server->protectedProperties[] = '{' . self::NS_OWNCLOUD . '}dDU';
+		$server->protectedProperties[] = '{' . self::NS_OWNCLOUD . '}downloadURL';
 
 		$this->server = $server;
 		$this->server->subscribeEvent('beforeGetProperties', array($this, 'beforeGetProperties'));
@@ -85,7 +85,7 @@ class OC_Connector_Sabre_FilesPlugin extends \Sabre\DAV\ServerPlugin
 			/** @var $node OC_Connector_Sabre_File */
 			$directDownloadUrl = $node->getDirectDownload();
 			if (isset($directDownloadUrl['url'])) {
-				$directDownloadUrlPropertyName = '{' . self::NS_OWNCLOUD . '}dDU';
+				$directDownloadUrlPropertyName = '{' . self::NS_OWNCLOUD . '}downloadURL';
 				$returnedProperties[200][$directDownloadUrlPropertyName] = $directDownloadUrl['url'];
 			}
 		}

lib/private/files/storage/wrapper/wrapper.php

@@ -465,4 +465,16 @@ class Wrapper implements \OC\Files\Storage\Storage {
 	public function __call($method, $args) {
 		return call_user_func_array(array($this->storage, $method), $args);
 	}
+
+	/**
+	 * A custom storage implementation can return an url for direct download of a give file.
+	 *
+	 * For now the returned array can hold the parameter url - in future more attributes might follow.
+	 *
+	 * @param string $path
+	 * @return array
+	 */
+	public function getDirectDownload($path) {
+		return $this->storage->getDirectDownload($path);
+	}
 }