From 56e338c132d57a6886d8610220b7f8e2402a0dae Mon Sep 17 00:00:00 2001
From: Sergey Biryukov <sergeybiryukov@git.wordpress.org>
Date: Sun, 22 Dec 2019 02:43:30 +0000
Subject: [PATCH] Upgrade/Install: When creating the `.htaccess` file in
 `insert_with_markers()`, make sure it has `0644` as a minimum set of
 permissions.

Props rcutmore, dd32, i3anaan.
Fixes #40572.

git-svn-id: https://develop.svn.wordpress.org/trunk@47005 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-admin/includes/misc.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/wp-admin/includes/misc.php b/src/wp-admin/includes/misc.php
index 428b2980a5..6b0c311658 100644
--- a/src/wp-admin/includes/misc.php
+++ b/src/wp-admin/includes/misc.php
@@ -111,9 +111,16 @@ function insert_with_markers( $filename, $marker, $insertion ) {
 		if ( ! is_writable( dirname( $filename ) ) ) {
 			return false;
 		}
+
 		if ( ! touch( $filename ) ) {
 			return false;
 		}
+
+		// Make sure the file is created with a minimum set of permissions.
+		$perms = fileperms( $filename );
+		if ( $perms ) {
+			chmod( $filename, $perms | 0644 );
+		}
 	} elseif ( ! is_writeable( $filename ) ) {
 		return false;
 	}