Fix correctFolders and retrieve the correct storage cache

apps/files_sharing/lib/cache.php

@@ -42,10 +42,12 @@ class Shared_Cache extends Cache {
 	 */
 	private function getSourceCache($target) {
 		$source = \OC_Share_Backend_File::getSource($target);
-		if (isset($source['path'])) {
-			$source['path'] = '/' . $source['uid_owner'] . '/' . $source['path'];
-			\OC\Files\Filesystem::initMountPoints($source['uid_owner']);
-			list($storage, $internalPath) = \OC\Files\Filesystem::resolvePath($source['path']);
+		if (isset($source['path']) && isset($source['fileOwner'])) {
+			\OC\Files\Filesystem::initMountPoints($source['fileOwner']);
+			$mount = \OC\Files\Mount::findByNumericId($source['storage']);
+			if ($mount) {
+				$fullPath = $mount->getMountPoint().$source['path'];
+				list($storage, $internalPath) = \OC\Files\Filesystem::resolvePath($fullPath);
 				if ($storage) {
 					$this->files[$target] = $internalPath;
 					$cache = $storage->getCache();
@@ -54,6 +56,7 @@ class Shared_Cache extends Cache {
 					return $cache;
 				}
 			}
+		}
 		return false;
 	}
 

apps/files_sharing/lib/updater.php

@@ -38,14 +38,11 @@ class Shared_Updater {
 			while (!empty($users)) {
 				$reshareUsers = array();
 				foreach ($users as $user) {
-					// The ETag of the logged in user should already be updated
-					if ($user !== $uid) {
 					$etag = \OC\Files\Filesystem::getETag('');
 					\OCP\Config::setUserValue($user, 'files_sharing', 'etag', $etag);
 					// Look for reshares
 					$reshareUsers = array_merge($reshareUsers, \OCP\Share::getUsersItemShared('file', $info['fileid'], $user, true));
 				}
-				}
 				$users = $reshareUsers;
 			}
 			// Correct folders of shared file owner