fixes if cache returns false

diff --git a/lib/public/share.php b/lib/public/share.php
index bc0e3f15c535998a5f66fc659c086f9b81414fbf..9a24192b4c8ee6c83c3da52bf124731c36aea7bc 100644 (file)
--- a/lib/public/share.php
+++ b/lib/public/share.php
@@ -123,25 +123,31 @@ class Share {
                return $path;
        
        }
-               
+
        /**
        * @brief Find which users can access a shared item
        * @param $path to the file
        * @param $user owner of the file
        * @param include owner to the list of users with access to the file
        * @return array
-       * @note $path needs to be relative to user data dir, e.g. 'file.txt' 
+       * @note $path needs to be relative to user data dir, e.g. 'file.txt'
        *       not '/admin/data/file.txt'
        */
        public static function getUsersSharingFile($path, $user, $includeOwner = false) {
 
                $shares = array();
                $publicShare = false;
+               $source = '-1';
+               $cache = false;
+
                $view = new \OC\Files\View('/' . $user . '/files/');
                $meta = $view->getFileInfo(\OC_Filesystem::normalizePath($path));
-               $source = $meta['fileid'];
-               $cache = new \OC\Files\Cache\Cache($meta['storage']);
-               
+
+               if($meta !== false) {
+                       $source = $meta['fileid'];
+                       $cache = new \OC\Files\Cache\Cache($meta['storage']);
+               }
+
                while ($source !== '-1') {
 
                        // Fetch all shares of this file path from DB
@@ -206,7 +212,11 @@ class Share {
                        
                        // let's get the parent for the next round
                        $meta = $cache->get((int)$source);
-                       $source = $meta['parent'];
+                       if($meta !== false) {
+                               $source = $meta['parent'];
+                       } else {
+                               $source = '-1';
+                       }
                }
                // Include owner in list of users, if requested
                if ($includeOwner) {