Allows eauth module to modify the access list right before it'll be applied to the request.
        For example ldap auth module expands entries

def __process_acl(self, load, auth_list):
        '''
        Allows eauth module to modify the access list right before it'll be applied to the request.
        For example ldap auth module expands entries
        '''
        if 'eauth' not in load:
            return auth_list
        fstr = '{0}.process_acl'.format(load['eauth'])
        if fstr not in self.auth:
            return auth_list
        try:
            return self.auth[fstr](auth_list, self.opts)
        except Exception as e:
            log.debug('Authentication module threw %s', e)
            return auth_list