on reshares we now recursively move to the root of all reshares - therefore some code has been refactured and added as a new public function

1 files changed, 23 insertions, 0 deletions

diff --git a/lib/public/share.php b/lib/public/share.php
index de7025d7b15..69e6f35b473 100644
--- a/lib/public/share.php
+++ b/lib/public/share.php
@@ -292,6 +292,29 @@ class Share {
 	}
 
 	/**
+	 * @brief resolves reshares down to the last real share
+	 * @param $linkItem
+	 * @return $fileOwner
+	 */
+	public static function resolveReShare($linkItem)
+	{
+		if (isset($linkItem['parent'])) {
+			$parent = $linkItem['parent'];
+			while (isset($parent)) {
+				$query = \OC_DB::prepare('SELECT * FROM `*PREFIX*share` WHERE `id` = ?', 1);
+				$item = $query->execute(array($parent))->fetchRow();
+				if (isset($item['parent'])) {
+					$parent = $item['parent'];
+				} else {
+					return $item;
+				}
+			}
+		}
+		return $linkItem;
+	}
+
+
+	/**
 	* @brief Get the shared items of item type owned by the current user
 	* @param string Item type
 	* @param int Format (optional) Format type must be defined by the backend