';
} elseif (OC_CAPTCHA_service == 'reCAPTCHA') {
print '
';
}
}
// verify CAPTCH - returns false if verifies OK, otherwise error string
function mod_captcha_verifyCAPTCHA() {
if (OC_CAPTCHA_service == 'hCaptcha') {
$mod_captcha_var = 'h-captcha-response';
$mod_catpcha_url = 'https://hcaptcha.com/siteverify';
} elseif (OC_CAPTCHA_service == 'reCAPTCHA') {
$mod_captch_var = 'g-captcha-response';
$mod_catpcha_url = 'https://www.google.com/recaptcha/api/siteverify';
} else {
err('invalid CAPTCHA');
}
if (isset($_POST[$mod_captcha_var]) && !empty($_POST[$mod_captcha_var])) {
$mod_catpcha_url .= '?secret=' . urlencode(OC_CAPTCHA_private_key) . '&response=' . urlencode($_POST['h-captcha-response']) . '&remoteip=' . urlencode($_SERVER['REMOTE_ADDR']);
if ($response = file_get_contents($mod_catpcha_url)) {
if ($responseAR = json_decode($response, true)) {
if (trim($responseAR['success']) == true) {
return(false); // OK
} elseif (isset($responseAR['error-codes'])) {
$mod_captcha_err = (is_array($responseAR['error-codes']) ? implode(',', $responseAR['error-codes']) : $responseAR['error-codes']);
} else {
$mod_captcha_err = 3;
}
} else {
$mod_captcha_err = 4;
}
} else {
$mod_captcha_err = 5;
}
}
return(
oc_('CAPTCHA verification failed') .
(empty($mod_captcha_err) ? '' : (' (' . $mod_captcha_err . ')'))
);
}