From ea8a774a0a2079a2ebe44e8d4a62162d80754e23 Mon Sep 17 00:00:00 2001 From: Robin Appelman Date: Mon, 21 Aug 2023 19:45:03 +0200 Subject: fix: add some recrusive detection/prevention Signed-off-by: Robin Appelman --- lib/private/Files/Storage/Wrapper/Wrapper.php | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'lib/private/Files/Storage') diff --git a/lib/private/Files/Storage/Wrapper/Wrapper.php b/lib/private/Files/Storage/Wrapper/Wrapper.php index 9f5564b4490..665914df2a7 100644 --- a/lib/private/Files/Storage/Wrapper/Wrapper.php +++ b/lib/private/Files/Storage/Wrapper/Wrapper.php @@ -654,4 +654,15 @@ class Wrapper implements \OC\Files\Storage\Storage, ILockingStorage, IWriteStrea public function getDirectoryContent($directory): \Traversable { return $this->getWrapperStorage()->getDirectoryContent($directory); } + + public function isWrapperOf(IStorage $storage) { + $wrapped = $this->getWrapperStorage(); + if ($wrapped === $storage) { + return true; + } + if ($wrapped instanceof Wrapper) { + return $wrapped->isWrapperOf($storage); + } + return false; + } } -- cgit v1.2.3