public static function check_restriction_for_ip_address($ip_address = NULL)
{
$ci =& get_instance();
$ci->load->helper('ip_address');
$ip_to_check = $ip_address;
if (is_null($ip_address)) {
$ip_to_check = getenv('REMOTE_ADDR');
}
if (check_valid_ip_address($ip_to_check)) {
$time = date('Y-m-d H:i:s');
$restriction = new Restriction();
$restriction->where('start_time <=', $time);
$restriction->where('end_time >=', $time);
$restriction->get_iterated();
foreach ($restriction as $restriction_record) {
$ip_addresses = explode(',', $restriction_record->ip_addresses);
if (count($ip_addresses)) {
foreach ($ip_addresses as $matching_pattern) {
if (trim($matching_pattern) !== '' && match_ip_address_agains(trim($matching_pattern), $ip_to_check)) {
return TRUE;
}
}
}
}
}
return FALSE;
}
public function _ip_addresses_validation($string)
{
$this->load->helper('ip_address');
if (preg_match('/^[0-9\\*\\.\\ ]+$/', $string)) {
$parts = explode(',', $string);
foreach ($parts as $part) {
$part = trim($part);
if (!check_valid_ip_address($part) && !check_valid_ip_range($part) && !check_valid_ip_wildcard($part)) {
return FALSE;
}
}
return TRUE;
}
return FALSE;
}
function list_ip_2_number($ip_address)
{
if (check_valid_ip_address($ip_address)) {
$number = 0;
$parts = explode('.', $ip_address);
for ($i = 3; $i >= 0; $i--) {
$number += $parts[$i] * pow(255, 3 - $i);
}
return $number;
}
return -1;
}
