Make detection of directories compliant with rfc4918

changelog.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## 1.0.9 - xxx
+
+* Made detection of directories compliant with rfc4918 (#53).
+
 ## 1.0.8 - 2019-07-08
 
 * Made some properties private to allow them to be overwritten so other types of WebDAV servers can be supported (#51).

readme.md

@@ -18,7 +18,7 @@ This is a Flysystem adapter for the WebDAV.
 composer require league/flysystem-webdav
 ```
 
-# Bootstrap
+## Bootstrap
 
 ``` php
 <?php

src/WebDAVAdapter.php

@@ -12,6 +12,7 @@
 use Sabre\DAV\Client;
 use Sabre\DAV\Exception;
 use Sabre\DAV\Exception\NotFound;
+use Sabre\DAV\Xml\Property\ResourceType;
 use Sabre\HTTP\HttpException;
 
 class WebDAVAdapter extends AbstractAdapter
@@ -28,6 +29,7 @@ class WebDAVAdapter extends AbstractAdapter
         '{DAV:}getcontenttype',
         '{DAV:}getlastmodified',
         '{DAV:}iscollection',
+        '{DAV:}resourcetype',
     ];
 
     /**
@@ -400,8 +402,18 @@ protected function normalizeObject(array $object, $path)
         return $result;
     }
 
+    /**
+     * @param array $object
+     * @return bool
+     */
     protected function isDirectory(array $object)
     {
+        if (isset($object['{DAV:}resourcetype'])) {
+            /** @var ResourceType $resourceType */
+            $resourceType = $object['{DAV:}resourcetype'];
+            return $resourceType->is('{DAV:}collection');
+        }
+
         return isset($object['{DAV:}iscollection']) && $object['{DAV:}iscollection'] === '1';
     }
 }