function gglcptch_check()
{
global $gglcptch_options;
if (!gglcptch_get_allow_url_fopen() && isset($gglcptch_options['recaptcha_version']) && $gglcptch_options['recaptcha_version'] == 'v2') {
return array('response' => false, 'reason' => 'ERROR_ALLOW_URL_FOPEN');
}
$publickey = $gglcptch_options['public_key'];
$privatekey = $gglcptch_options['private_key'];
if (!$privatekey || !$publickey) {
return array('response' => false, 'reason' => 'ERROR_NO_KEYS');
}
$gglcptch_remote_addr = filter_var($_SERVER['REMOTE_ADDR'], FILTER_VALIDATE_IP);
if (isset($gglcptch_options['recaptcha_version']) && 'v2' == $gglcptch_options['recaptcha_version']) {
$gglcptch_g_recaptcha_response = '';
if (!isset($_POST["g-recaptcha-response"])) {
return array('response' => false, 'reason' => 'RECAPTCHA_NO_RESPONSE');
} elseif (empty($_POST["g-recaptcha-response"])) {
return array('response' => false, 'reason' => 'RECAPTCHA_EMPTY_RESPONSE');
} else {
$gglcptch_g_recaptcha_response = stripslashes(esc_html($_POST["g-recaptcha-response"]));
}
require_once 'lib_v2/recaptchalib.php';
$reCaptcha = new gglcptch_ReCaptcha($privatekey);
$resp = $reCaptcha->verifyResponse($gglcptch_remote_addr, $gglcptch_g_recaptcha_response);
if ($resp != null && $resp->success) {
return array('response' => true, 'reason' => '');
} else {
return array('response' => false, 'reason' => 'VERIFICATION_FAILED');
}
} else {
$gglcptch_recaptcha_challenge_field = $gglcptch_recaptcha_response_field = '';
if (!isset($_POST['recaptcha_challenge_field']) && !isset($_POST['recaptcha_response_field'])) {
return array('response' => false, 'reason' => 'RECAPTCHA_NO_RESPONSE');
} elseif (!empty($_POST['recaptcha_challenge_field']) && empty($_POST['recaptcha_response_field'])) {
return array('response' => false, 'reason' => 'RECAPTCHA_EMPTY_RESPONSE');
} else {
$gglcptch_recaptcha_challenge_field = stripslashes(esc_html($_POST['recaptcha_challenge_field']));
$gglcptch_recaptcha_response_field = stripslashes(esc_html($_POST['recaptcha_response_field']));
}
require_once 'lib/recaptchalib.php';
$resp = gglcptch_recaptcha_check_answer($privatekey, $gglcptch_remote_addr, $gglcptch_recaptcha_challenge_field, $gglcptch_recaptcha_response_field);
if (!$resp->is_valid) {
return array('response' => false, 'reason' => 'VERIFICATION_FAILED');
} else {
return array('response' => true, 'reason' => '');
}
}
}
function gglcptch_captcha_check()
{
$gglcptch_options = get_option('gglcptch_options');
$privatekey = $gglcptch_options['private_key'];
if (isset($gglcptch_options['recaptcha_version']) && 'v2' == $gglcptch_options['recaptcha_version']) {
require_once 'lib_v2/recaptchalib.php';
$reCaptcha = new gglcptch_ReCaptcha($privatekey);
$gglcptch_g_recaptcha_response = isset($_POST["g-recaptcha-response"]) ? $_POST["g-recaptcha-response"] : '';
$resp = $reCaptcha->verifyResponse($_SERVER["REMOTE_ADDR"], $gglcptch_g_recaptcha_response);
if ($resp != null && $resp->success) {
echo "success";
} else {
echo "error";
}
} else {
require_once 'lib/recaptchalib.php';
$gglcptch_recaptcha_challenge_field = isset($_POST['recaptcha_challenge_field']) ? $_POST['recaptcha_challenge_field'] : '';
$gglcptch_recaptcha_response_field = isset($_POST['recaptcha_response_field']) ? $_POST['recaptcha_response_field'] : '';
$resp = gglcptch_recaptcha_check_answer($privatekey, $_SERVER['REMOTE_ADDR'], $gglcptch_recaptcha_challenge_field, $gglcptch_recaptcha_response_field);
if (!$resp->is_valid) {
echo "error";
} else {
echo "success";
}
}
die;
}