backup the encryption key after the encryption was disabled so that the user

can restore them if needed

2 files changed, 13 insertions, 2 deletions

diff --git a/apps/files_encryption/lib/util.php b/apps/files_encryption/lib/util.php
index 6372ab31b6e..27b4db9253a 100644
--- a/apps/files_encryption/lib/util.php
+++ b/apps/files_encryption/lib/util.php
@@ -788,8 +788,8 @@ class Util {
 			}
 
 			if ($successful) {
-				$this->view->deleteAll($this->keyfilesPath);
-				$this->view->deleteAll($this->shareKeysPath);
+				$this->view->rename($this->keyfilesPath, $this->keyfilesPath . '.backup');
+				$this->view->rename($this->shareKeysPath, $this->shareKeysPath . '.backup');
 			}
 
 			\OC_FileProxy::$enabled = true;
diff --git a/apps/files_encryption/tests/util.php b/apps/files_encryption/tests/util.php
index 88ded7ec40a..fa8e1d729dd 100755
--- a/apps/files_encryption/tests/util.php
+++ b/apps/files_encryption/tests/util.php
@@ -413,8 +413,16 @@ class Test_Encryption_Util extends \PHPUnit_Framework_TestCase {
 		// file should no longer be encrypted
 		$this->assertEquals(0, $fileInfoUnencrypted['encrypted']);
 
+		// check if the keys where moved to the backup location
+		$this->assertTrue($this->view->is_dir($this->userId . '/files_encryption/keyfiles.backup'));
+		$this->assertTrue($this->view->file_exists($this->userId . '/files_encryption/keyfiles.backup/' . $filename . '.key'));
+		$this->assertTrue($this->view->is_dir($this->userId . '/files_encryption/share-keys.backup'));
+		$this->assertTrue($this->view->file_exists($this->userId . '/files_encryption/share-keys.backup/' . $filename . '.' . $user . '.shareKey'));
+
 		// cleanup
 		$this->view->unlink($this->userId . '/files/' . $filename);
+		$this->view->deleteAll($this->userId . '/files_encryption/keyfiles.backup');
+		$this->view->deleteAll($this->userId . '/files_encryption/share-keys.backup');
 		OC_App::enable('files_encryption');
 
 	}
@@ -485,8 +493,11 @@ class Test_Encryption_Util extends \PHPUnit_Framework_TestCase {
 		$this->assertFalse($this->view->is_dir($this->userId . '/files_encryption/keyfiles/'));
 		$this->assertFalse($this->view->is_dir($this->userId . '/files_encryption/share-keys/'));
 
+		//cleanup
 		$this->view->unlink($this->userId . '/files/' . $file1);
 		$this->view->unlink($this->userId . '/files/' . $file2);
+		$this->view->deleteAll($this->userId . '/files_encryption/keyfiles.backup');
+		$this->view->deleteAll($this->userId . '/files_encryption/share-keys.backup');
 
 	}