From a606131a6aa144b6e8435bc029f3e75db9636867 Mon Sep 17 00:00:00 2001
From: Robin Appelman <icewind@owncloud.com>
Date: Wed, 7 Nov 2012 14:21:34 +0100
Subject: [PATCH] Allow changing the way etags are generated
---
lib/connector/sabre/node.php | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/lib/connector/sabre/node.php b/lib/connector/sabre/node.php
index 72de9723774..f87e9f9a0b1 100644
--- a/lib/connector/sabre/node.php
+++ b/lib/connector/sabre/node.php
@@ -25,6 +25,13 @@ abstract class OC_Connector_Sabre_Node implements Sabre_DAV_INode, Sabre_DAV_IPr
const GETETAG_PROPERTYNAME = '{DAV:}getetag';
const LASTMODIFIED_PROPERTYNAME = '{DAV:}lastmodified';
+ /**
+ * Allow configuring the method used to generate Etags
+ *
+ * @var array(class_name, function_name)
+ */
+ public static $ETagFunction = null;
+
/**
* The path to the current node
*
@@ -178,7 +185,7 @@ abstract class OC_Connector_Sabre_Node implements Sabre_DAV_INode, Sabre_DAV_IPr
* If the array is empty, all properties should be returned
*
* @param array $properties
- * @return void
+ * @return array
*/
public function getProperties($properties) {
if (is_null($this->property_cache)) {
@@ -209,7 +216,12 @@ abstract class OC_Connector_Sabre_Node implements Sabre_DAV_INode, Sabre_DAV_IPr
* @return string|null Returns null if the ETag can not effectively be determined
*/
static protected function createETag($path) {
- return uniqid('', true);
+ if(self::$ETagFunction) {
+ $hash = call_user_func(self::$ETagFunction, $path);
+ return $hash;
+ }else{
+ return uniqid('', true);
+ }
}
/**