From 292108e240568677affbc0b20e3b0cb806fc83e9 Mon Sep 17 00:00:00 2001
From: Robin Appelman <robin@icewind.nl>
Date: Sun, 26 Aug 2018 10:37:28 +0200
Subject: [PATCH] Add event to allow inspecting and changing multipart
 responses

---
 lib/DAV/Server.php                   |  2 ++
 tests/Sabre/DAV/ServerEventsTest.php | 38 ++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+)

diff --git a/lib/DAV/Server.php b/lib/DAV/Server.php
index 09760e9d11..8b3b580c51 100644
--- a/lib/DAV/Server.php
+++ b/lib/DAV/Server.php
@@ -1639,6 +1639,8 @@ public function getResourceTypeForNode(INode $node)
      */
     public function generateMultiStatus($fileProperties, $strip404s = false)
     {
+        $this->emit('beforeMultiStatus', [&$fileProperties]);
+
         $w = $this->xml->getWriter();
         $w->openMemory();
         $w->contextUri = $this->baseUri;
diff --git a/tests/Sabre/DAV/ServerEventsTest.php b/tests/Sabre/DAV/ServerEventsTest.php
index 7d55ea02ed..23a693c5c2 100644
--- a/tests/Sabre/DAV/ServerEventsTest.php
+++ b/tests/Sabre/DAV/ServerEventsTest.php
@@ -14,6 +14,8 @@ class ServerEventsTest extends AbstractServer
 
     private $exception;
 
+    private $fileProperties;
+
     public function testAfterBind()
     {
         $this->server->on('afterBind', [$this, 'afterBindHandler']);
@@ -113,4 +115,40 @@ public function testMethod()
         // Fun fact, PHP 7.1 changes the order when sorting-by-callback.
         $this->assertTrue($k >= 2 && $k <= 3);
     }
+
+    function multiStatusHandler(&$fileProperties)
+    {
+        $this->fileProperties = $fileProperties;
+        $fileProperties = array_slice($fileProperties, 0, 1);
+    }
+
+    function testBeforeMultiStatus()
+    {
+
+        $this->server->on('beforeMultiStatus', [$this, 'multiStatusHandler']);
+
+        $response = $this->server->generateMultiStatus([
+            [
+                'href' => 'foo',
+                '200' => [
+                    'd:getcontentlength' => 10
+                ],
+            ],
+            [
+                'href' => 'bar',
+                '200' => [
+                    'd:getcontentlength' => 11
+                ],
+            ]
+        ]);
+
+        $body = preg_replace("/xmlns(:[A-Za-z0-9_])?=(\"|\')DAV:(\"|\')/", "xmlns\\1=\"urn:DAV\"", $response);
+        $xml = simplexml_load_string($body);
+        $xml->registerXPathNamespace('d', 'urn:DAV');
+
+        $data = $xml->xpath('/d:multistatus/d:response/d:propstat/d:prop/d:getcontentlength');
+        $this->assertCount(1, $data);
+
+        $this->assertCount(2, $this->fileProperties);
+    }
 }