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Remove BWS captcha for whitelisted IPs
/**
* Check if a given ip is in a network https://gist.github.com/tott/7684443
* @param string $ip IP to check in IPV4 format eg. 127.0.0.1
* @param string $range IP/CIDR netmask eg. 127.0.0.0/24, also 127.0.0.1 is accepted and /32 assumed
* @return boolean true if the ip is in this range / false if not.
*/
function ip_in_range( $ip, $range ) {
if ( strpos( $range, '/' ) == false ) {
$range .= '/32';
}
// $range is in IP/CIDR format eg 127.0.0.1/24
list( $range, $netmask ) = explode( '/', $range, 2 );
$range_decimal = ip2long( $range );
$ip_decimal = ip2long( $ip );
$wildcard_decimal = pow( 2, ( 32 - $netmask ) ) - 1;
$netmask_decimal = ~ $wildcard_decimal;
return ( ( $ip_decimal & $netmask_decimal ) == ( $range_decimal & $netmask_decimal ) );
}
/**
* Remove BWS captcha for whitelisted IPs
* Depends on ip_in_range function
*/
function mysite_captcha_login_whitelist(){
$captcha_bypass_ips = array(
'192.168.1.1', # Single IP
'10.0.0.0/24', # IP range
);
foreach ($captcha_bypass_ips as $key => $value) {
if ( ip_in_range( $_SERVER['REMOTE_ADDR'], $value ) ) {
remove_action( 'login_form', 'gglcptch_login_display' );
remove_action( 'authenticate', 'gglcptch_login_check', 21, 1 );
break;
}
}
}
add_action('init', 'mysite_captcha_login_whitelist');
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