2 files changed, 33 insertions, 4 deletions

diff --git a/apps/dav/lib/connector/sabre/filesplugin.php b/apps/dav/lib/connector/sabre/filesplugin.php
index 686d0863f91..bd00a7c9930 100644
--- a/apps/dav/lib/connector/sabre/filesplugin.php
+++ b/apps/dav/lib/connector/sabre/filesplugin.php
@@ -236,6 +236,8 @@ class FilesPlugin extends ServerPlugin {
 	 */
 	public function handleGetProperties(PropFind $propFind, \Sabre\DAV\INode $node) {
 
+		$httpRequest = $this->server->httpRequest;
+
 		if ($node instanceof \OCA\DAV\Connector\Sabre\Node) {
 
 			$propFind->handle(self::FILEID_PROPERTYNAME, function() use ($node) {
@@ -255,8 +257,10 @@ class FilesPlugin extends ServerPlugin {
 				return $perms;
 			});
 
-			$propFind->handle(self::SHARE_PERMISSIONS_PROPERTYNAME, function() use ($node) {
-				return $node->getSharePermissions();
+			$propFind->handle(self::SHARE_PERMISSIONS_PROPERTYNAME, function() use ($node, $httpRequest) {
+				return $node->getSharePermissions(
+					$httpRequest->getRawServerValue('PHP_AUTH_USER')
+				);
 			});
 
 			$propFind->handle(self::GETETAG_PROPERTYNAME, function() use ($node) {
diff --git a/apps/dav/lib/connector/sabre/node.php b/apps/dav/lib/connector/sabre/node.php
index eaba6713992..edb0ad82f41 100644
--- a/apps/dav/lib/connector/sabre/node.php
+++ b/apps/dav/lib/connector/sabre/node.php
@@ -32,6 +32,8 @@ namespace OCA\DAV\Connector\Sabre;
 
 use OC\Files\Mount\MoveableMount;
 use OCA\DAV\Connector\Sabre\Exception\InvalidPath;
+use OCP\Share\Exceptions\ShareNotFound;
+use OCP\Share\IManager;
 
 
 abstract class Node implements \Sabre\DAV\INode {
@@ -61,15 +63,26 @@ abstract class Node implements \Sabre\DAV\INode {
 	protected $info;
 
 	/**
+	 * @var IManager
+	 */
+	protected $shareManager;
+
+	/**
 	 * Sets up the node, expects a full path name
 	 *
 	 * @param \OC\Files\View $view
 	 * @param \OCP\Files\FileInfo $info
+	 * @param IManager $shareManager
 	 */
-	public function __construct($view, $info) {
+	public function __construct($view, $info, IManager $shareManager = null) {
 		$this->fileView = $view;
 		$this->path = $this->fileView->getRelativePath($info->getPath());
 		$this->info = $info;
+		if ($shareManager) {
+			$this->shareManager = $shareManager;
+		} else {
+			$this->shareManager = \OC::$server->getShareManager();
+		}
 	}
 
 	protected function refreshInfo() {
@@ -215,9 +228,21 @@ abstract class Node implements \Sabre\DAV\INode {
 	}
 
 	/**
+	 * @param string $user
 	 * @return int
 	 */
-	public function getSharePermissions() {
+	public function getSharePermissions($user) {
+
+		// check of we access a federated share
+		if ($user !== null) {
+			try {
+				$share = $this->shareManager->getShareByToken($user);
+				return $share->getPermissions();
+			} catch (ShareNotFound $e) {
+				// ignore
+			}
+		}
+
 		$storage = $this->info->getStorage();
 
 		$path = $this->info->getInternalPath();