Merge pull request #34994 from Glandos/fileinfo_perf

[Performance] Test valid path only if file info has to be retrieved

Author: szaimen

lib/private/Files/Node/Node.php

@@ -99,10 +99,10 @@ protected function createNonExistingNode($path) {
 	 * @throws NotFoundException
 	 */
 	public function getFileInfo() {
-		if (!Filesystem::isValidPath($this->path)) {
-			throw new InvalidPathException();
-		}
 		if (!$this->fileInfo) {
+			if (!Filesystem::isValidPath($this->path)) {
+				throw new InvalidPathException();
+			}
 			$fileInfo = $this->view->getFileInfo($this->path);
 			if ($fileInfo instanceof FileInfo) {
 				$this->fileInfo = $fileInfo;