Check if quota should be applied to path when creating directories

This fixes an issue where the files_trashbin hierarchy of a user could
not been created as the mkdir operations were blocked by the quota
storage wrapper. Even with 0 quota, users should be able to have a
trashbin for external storages.

Signed-off-by: Julius Härtl <jus@bitgrid.net>

1 files changed, 9 insertions, 2 deletions

diff --git a/lib/private/Files/Storage/Wrapper/Quota.php b/lib/private/Files/Storage/Wrapper/Quota.php
index 62d3335987c..4b99af46b02 100644
--- a/lib/private/Files/Storage/Wrapper/Quota.php
+++ b/lib/private/Files/Storage/Wrapper/Quota.php
@@ -161,7 +161,7 @@ class Quota extends Wrapper {
 			$free = $this->free_space($path);
 			if ($source && $free >= 0 && $mode !== 'r' && $mode !== 'rb') {
 				// only apply quota for files, not metadata, trash or others
-				if (strpos(ltrim($path, '/'), 'files/') === 0) {
+				if ($this->shouldApplyQuota($path)) {
 					return \OC\Files\Stream\Quota::wrap($source, $free);
 				}
 			}
@@ -183,6 +183,13 @@ class Quota extends Wrapper {
 	}
 
 	/**
+	 * Only apply quota for files, not metadata, trash or others
+	 */
+	private function shouldApplyQuota(string $path): bool {
+		return strpos(ltrim($path, '/'), 'files/') === 0;
+	}
+
+	/**
 	 * @param IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
@@ -214,7 +221,7 @@ class Quota extends Wrapper {
 
 	public function mkdir($path) {
 		$free = $this->free_space($path);
-		if ($free === 0.0) {
+		if ($this->shouldApplyQuota($path) && $free === 0.0) {
 			return false;
 		}