Merge pull request #48102 from nextcloud/backport/46218/stable27

[stable27] Ensure that the hash method does not return null

Author: blizzz

lib/private/Files/Storage/Local.php

@@ -439,7 +439,7 @@ public function fopen($path, $mode) {
 		return $result;
 	}
 
-	public function hash($type, $path, $raw = false) {
+	public function hash($type, $path, $raw = false): string|false {
 		return hash_file($type, $this->getSourcePath($path), $raw);
 	}
 

lib/private/Files/Storage/Wrapper/Availability.php

@@ -334,6 +334,7 @@ public function hash($type, $path, $raw = false) {
 			return parent::hash($type, $path, $raw);
 		} catch (StorageNotAvailableException $e) {
 			$this->setUnavailable($e);
+			return false;
 		}
 	}