calling renameKeys() on directory level as well - fixes #15778

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

@@ -215,11 +215,8 @@ class Encryption extends Wrapper {
 			if (isset($this->unencryptedSize[$source])) {
 				$this->unencryptedSize[$target] = $this->unencryptedSize[$source];
 			}
-			$encryptionModule = $this->getEncryptionModule($path2);
-			if ($encryptionModule) {
-				$keyStorage = $this->getKeyStorage($encryptionModule->getId());
-				$keyStorage->renameKeys($source, $target);
-			}
+			$keyStorage = $this->getKeyStorage();
+			$keyStorage->renameKeys($source, $target);
 		}
 
 		return $result;
@@ -438,8 +435,7 @@ class Encryption extends Wrapper {
 	 * @return \OCP\Encryption\Keys\IStorage
 	 */
 	protected function getKeyStorage() {
-		$keyStorage = \OC::$server->getEncryptionKeyStorage();
-		return $keyStorage;
+		return \OC::$server->getEncryptionKeyStorage();
 	}
 
 }

tests/lib/files/storage/wrapper/encryption.php

@@ -12,6 +12,11 @@ class Encryption extends \Test\Files\Storage\Storage {
 	 */
 	private $sourceStorage;
 
+	/**
+	 * @var \OC\Encryption\Keys\Storage | \PHPUnit_Framework_MockObject_MockObject
+	 */
+	private $keyStore;
+
 	public function setUp() {
 
 		parent::setUp();
@@ -54,7 +59,7 @@ class Encryption extends \Test\Files\Storage\Storage {
 		$logger = $this->getMock('\OC\Log');
 
 		$this->sourceStorage = new Temporary(array());
-		$keyStore = $this->getMockBuilder('\OC\Encryption\Keys\Storage')
+		$this->keyStore = $this->getMockBuilder('\OC\Encryption\Keys\Storage')
 			->disableOriginalConstructor()->getMock();
 		$mount = $this->getMockBuilder('\OC\Files\Mount\MountPoint')
 			->disableOriginalConstructor()
@@ -67,7 +72,7 @@ class Encryption extends \Test\Files\Storage\Storage {
 			'mountPoint' => '/',
 			'mount' => $mount
 		],
-			$encryptionManager, $util, $logger, $file, null, $keyStore
+			$encryptionManager, $util, $logger, $file, null, $this->keyStore
 		);
 	}
 
@@ -91,6 +96,14 @@ class Encryption extends \Test\Files\Storage\Storage {
 		$encryptionModule->expects($this->any())->method('getUnencryptedBlockSize')->willReturn(8192);
 		return $encryptionModule;
 	}
+
+	public function testRename() {
+		$this->keyStore
+			->expects($this->once())
+			->method('renameKeys');
+		$this->instance->mkdir('folder');
+		$this->instance->rename('folder', 'flodder');
+	}
 }
 
 //