Catch invalid cache source storage path

Signed-off-by: John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/private/Files/Cache/Cache.php b/lib/private/Files/Cache/Cache.php
index 59e50164ef6..b851076e2c1 100644
--- a/lib/private/Files/Cache/Cache.php
+++ b/lib/private/Files/Cache/Cache.php
@@ -642,6 +642,10 @@ class Cache implements ICache {
 			$targetPath = $this->normalize($targetPath);
 
 			$sourceData = $sourceCache->get($sourcePath);
+			if ($sourceData === false) {
+				throw new \Exception('Invalid source storage path: ' . $sourcePath);
+			}
+
 			$sourceId = $sourceData['fileid'];
 			$newParentId = $this->getParentId($targetPath);