Ticket #33480: 33480.diff

src/wp-admin/includes/class-wp-filesystem-ssh2.php

@@ -371 +371 @@
                 return is_dir('ssh2.sftp://' . $this->sftp_link . '/' . $path);
         }
         /**
          * @param string $file
          * @return bool
          */
         public function is_readable($file) {
                 $file = ltrim($file, '/');
                 return is_readable('ssh2.sftp://' . $this->sftp_link . '/' . $file);
         }
         /**
          * @param string $file
          * @return bool
          */
         public function is_writable($file) {
-                $file = ltrim($file, '/');
-                return is_writable('ssh2.sftp://' . $this->sftp_link . '/' . $file);
+                // PHP will base it's writable checks on system_user === file_owner, not ssh_user === file_owner
+                return true;
         }
         /**
          * @param string $file
          * @return int
          */
         public function atime($file) {
                 $file = ltrim($file, '/');
                 return fileatime('ssh2.sftp://' . $this->sftp_link . '/' . $file);
         }
 
         /**
          * @param string $file
          * @return int
          */
         public function mtime($file) {