Xenforo allows resetting existing install if it fails to connect to cloud storage provider

If an error occurs during an attempt to read the install-lock.php file, XenForo handles the exception gracefully and returns false, as shown in the code below:

PHP:

public static function installLockExists()
    {
        try
        {
            // If this path doesn't exist, then this will throw an exception. We need to handle this elsewhere.
            return \XF::fs()->has('internal-data://install-lock.php');
        }
        catch (\Exception $e)
        {
            return false...

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