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-rw-r--r--modules/util/file_unix.go27
1 files changed, 27 insertions, 0 deletions
diff --git a/modules/util/file_unix.go b/modules/util/file_unix.go
new file mode 100644
index 0000000..79a29c8
--- /dev/null
+++ b/modules/util/file_unix.go
@@ -0,0 +1,27 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+//go:build !windows
+
+package util
+
+import (
+ "os"
+
+ "golang.org/x/sys/unix"
+)
+
+var defaultUmask int
+
+func init() {
+ // at the moment, the umask could only be gotten by calling unix.Umask(newUmask)
+ // use 0o077 as temp new umask to reduce the risks if this umask is used anywhere else before the correct umask is recovered
+ tempUmask := 0o077
+ defaultUmask = unix.Umask(tempUmask)
+ unix.Umask(defaultUmask)
+}
+
+func ApplyUmask(f string, newMode os.FileMode) error {
+ mod := newMode & ^os.FileMode(defaultUmask)
+ return os.Chmod(f, mod)
+}