Merge pull request #9453 from owncloud/enc_fix_wrong_file_size

[encryption] always take unencrypted size

apps/files_encryption/lib/proxy.php

@@ -157,8 +157,8 @@ class Proxy extends \OC_FileProxy {
 					// store new unenecrypted size so that it can be updated
 					// in the post proxy
 					$tmpFileInfo = $view->getFileInfo($tmpPath);
-					if ( isset($tmpFileInfo['size']) ) {
-						self::$unencryptedSizes[\OC\Files\Filesystem::normalizePath($path)] = $tmpFileInfo['size'];
+					if ( isset($tmpFileInfo['unencrypted_size']) ) {
+						self::$unencryptedSizes[\OC\Files\Filesystem::normalizePath($path)] = $tmpFileInfo['unencrypted_size'];
 					}
 
 					// remove our temp file

apps/files_encryption/tests/proxy.php

@@ -47,6 +47,7 @@ class Test_Encryption_Proxy extends \PHPUnit_Framework_TestCase {
 	public $view;     // view in /data/user/files
 	public $rootView; // view on /data/user
 	public $data;
+	public $dataLong;
 	public $filename;
 
 	public static function setUpBeforeClass() {
@@ -80,6 +81,7 @@ class Test_Encryption_Proxy extends \PHPUnit_Framework_TestCase {
 
 		// init short data
 		$this->data = 'hats';
+		$this->dataLong = file_get_contents(__DIR__ . '/../lib/crypt.php');
 		$this->filename = 'enc_proxy_tests-' . uniqid() . '.txt';
 
 	}
@@ -95,17 +97,19 @@ class Test_Encryption_Proxy extends \PHPUnit_Framework_TestCase {
 	 */
 	function testPostFileSize() {
 
-		$this->view->file_put_contents($this->filename, $this->data);
+		$this->view->file_put_contents($this->filename, $this->dataLong);
+		$size = strlen($this->dataLong);
 
 		\OC_FileProxy::$enabled = false;
 
-		$unencryptedSize = $this->view->filesize($this->filename);
+		$encryptedSize = $this->view->filesize($this->filename);
 
 		\OC_FileProxy::$enabled = true;
 
-		$encryptedSize = $this->view->filesize($this->filename);
+		$unencryptedSize = $this->view->filesize($this->filename);
 
-		$this->assertTrue($encryptedSize !== $unencryptedSize);
+		$this->assertTrue($encryptedSize > $unencryptedSize);
+		$this->assertSame($size, $unencryptedSize);
 
 		// cleanup
 		$this->view->unlink($this->filename);