Error submitting form!
Please make sure both javascript and cookies are enabled in your browser.
Use the back button to try again...
(Note: if this still doesn't help, then refreshing your cache might)", 'anti_captcha'));
add_action('login_head', 'anti_captcha_head');
//add_action('wp_authenticate', 'anti_captcha_process_login');
add_action('wp_head', 'anti_captcha_head');
add_action('register_post','anti_captcha_process_registration',10,3);
add_action('lostpassword_post','anti_captcha_process_lostpassword',10,3);
add_filter('preprocess_comment', 'anti_captcha_process_comment');
if (!function_exists('anti_captcha_head')) {
function anti_captcha_head()
{
if (is_user_logged_in()) return;
wp_enqueue_script('anti-captcha', '/wp-content/plugins/anti-captcha/anti-captcha-0.3.js.php', array(), md5(rand(1111,9999)));
wp_print_scripts('anti-captcha');
}
}
if (!function_exists('anti_captcha_verify_token')) {
function anti_captcha_verify_token($token)
{
if (sha1($token) == $_COOKIE['anti-captcha-crc']) {
setcookie('anti-captcha-crc', sha1(rand(1111,9999)), time() + 3600, '/');
return true;
}
return false;
}
}
if (!function_exists('anti_captcha_process_comment')) {
function anti_captcha_process_comment($incoming_comment)
{
// Defaults to unknown
$commentStatus = null;
// Approve comment if user is logged in or provides a valid anti-capcha-token
if (is_user_logged_in() || anti_captcha_verify_token($_POST['anti-captcha-token'])) {
// If a mailaddress is provided, check it for format and MX-records
// If this test fails, hold comment for moderation
if (strlen($incoming_comment['comment_author_email'])) {
if (!anti_captcha_validate_email($incoming_comment['comment_author_email'])) {
$commentStatus = '0';
}
}
// Detect PhantomJs headless browsers by user-agent, spam comment if found
if (stristr($_SERVER['HTTP_USER_AGENT'], 'phantomjs')) {
$commentStatus = 'spam';
}
} else {
// No valid anti-captcha-token
$commentStatus = 'spam';
}
if ($commentStatus !== null) {
add_filter('pre_comment_approved', create_function('$a', "return '" . $commentStatus . "';"));
}
return $incoming_comment;
}
}
/*
// Uncomment this if you want Anti-Captcha to also work on the login form
if (!function_exists('anti_captcha_process_login')) {
function anti_captcha_process_login()
{
if (count($_POST)) {
if (!anti_captcha_verify_token($_POST['anti-captcha-token'])) {
wp_die(ANTI_CAPTCHA_ERROR);
}
}
}
}
*/
if (!function_exists('anti_captcha_process_registration')) {
function anti_captcha_process_registration($login, $email, $errors)
{
if (!anti_captcha_verify_token($_POST['anti-captcha-token'])) {
$errors->add('anti_captcha_error', ANTI_CAPTCHA_ERROR);
}
}
}
if (!function_exists('anti_captcha_process_lostpassword')) {
function anti_captcha_process_lostpassword()
{
if (!anti_captcha_verify_token($_POST['anti-captcha-token'])) {
wp_die(ANTI_CAPTCHA_ERROR);
}
}
}
if (!function_exists('anti_captcha_validate_email')) {
function anti_captcha_validate_email($email)
{
if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
return false;
}
// Some OS's don't support this
if (function_exists('dns_get_record')) {
if (count(dns_get_record($domain, DNS_MX)) < 1) {
return false;
}
}
return true;
}
}