From 54f1cb9d346085176ef39953aa40a2278184e8c1 Mon Sep 17 00:00:00 2001
From: rugk <rugk@posteo.de>
Date: Tue, 21 Jun 2016 21:47:03 +0200
Subject: [PATCH] Only protect file if it was written

---
 lib/persistence.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/persistence.php b/lib/persistence.php
index ed82720f..38b47a79 100644
--- a/lib/persistence.php
+++ b/lib/persistence.php
@@ -116,10 +116,10 @@ abstract class persistence
         self::_initialize();
         $file = self::$_path . DIRECTORY_SEPARATOR . $filename;
         $writtenBytes = @file_put_contents($file, $data, LOCK_EX);
-        chmod($file, 0640); // protect file access
         if ($writtenBytes === false || $writtenBytes < strlen($data)) {
             throw new Exception('unable to write to file ' . $file, 13);
         }
+        chmod($file, 0640); // protect file access
         return $file;
     }
 }