2 files changed, 18 insertions, 0 deletions
diff --git a/lib/filestorage/common.php b/lib/filestorage/common.php
index f0bfc064cb5..f2a5775fd19 100644
--- a/lib/filestorage/common.php
+++ b/lib/filestorage/common.php
@@ -156,4 +156,13 @@ abstract class OC_Filestorage_Common extends OC_Filestorage {
 		}
 		return $files;
 	}
+
+	/**
+	 * check if a file or folder has been updated since $time
+	 * @param int $time
+	 * @return bool
+	 */
+	public function hasUpdated($path,$time){
+		return $this->filemtime($path)>$time;
+	}
 }
diff --git a/lib/filestorage/local.php b/lib/filestorage/local.php
index ea9a9070263..44a2ab0f634 100644
--- a/lib/filestorage/local.php
+++ b/lib/filestorage/local.php
@@ -194,4 +194,13 @@ class OC_Filestorage_Local extends OC_Filestorage{
 	public function getFolderSize($path){
 		return 0;//depricated, use OC_FileCach instead
 	}
+
+	/**
+	 * check if a file or folder has been updated since $time
+	 * @param int $time
+	 * @return bool
+	 */
+	public function hasUpdated($path,$time){
+		return $this->filemtime($path)>$time;
+	}
 }