// Add reCaptcha JavaScript
function wpp_login_script() {
wp_register_script('login-recaptcha', 'https://www.google.com/recaptcha/api.js', false, NULL);
wp_enqueue_script('login-recaptcha');
}
add_action('login_enqueue_scripts', 'wpp_login_script');
// Add reCaptcha on login page
function add_recaptcha_on_login_page() {
echo '';
}
add_action('login_form','add_recaptcha_on_login_page');
// Validating reCaptcha
function captcha_login_check($user, $password) {
if (!empty($_POST['g-recaptcha-response'])) {
$secret = '6Lel21gqAAAAAPQKN0hASwsMVLhO-KSl3gkaZsBG';
$ip = $_SERVER['REMOTE_ADDR'];
$captcha = $_POST['g-recaptcha-response'];
$rsp = file_get_contents('https://www.google.com/recaptcha/api/siteverify?secret=' . $secret . '&response=' . $captcha .'&remoteip='. $ip);
$valid = json_decode($rsp, true);
if ($valid["success"] == true) {
return $user;
} else {
return new WP_Error('Captcha Invalid', __('Captcha Invalid! Please check the captcha!'));
}
} else {
return new WP_Error('Captcha Invalid', __('Captcha Invalid! Please check the captcha!'));
}
}
add_action('wp_authenticate_user', 'captcha_login_check', 10, 2);
SIMAK UI 2014 - Clavius
