var_dump($_COOKIE);
echo "\n\n";
echo "SESSION ";
var_dump($_SESSION);
echo "</pre>\n";*/
$captcha_code = $this->ctf_clean_input($_POST['si_contact_captcha_code']);
if (!isset($_SESSION['securimage_code_ctf_' . $form_id_num]) || empty($_SESSION['securimage_code_ctf_' . $form_id_num])) {
$this->si_contact_error = 1;
$fsc_error_message['captcha'] = __('That CAPTCHA was incorrect. Try again.', 'si-contact-form');
} else {
if (empty($captcha_code) || $captcha_code == '') {
$this->si_contact_error = 1;
$fsc_error_message['captcha'] = $si_contact_opt['error_captcha_blank'] != '' ? $si_contact_opt['error_captcha_blank'] : __('Please complete the CAPTCHA.', 'si-contact-form');
} else {
require_once "{$captcha_path_cf}/securimage.php";
$img = new Securimage_ctf();
$img->form_num = $form_id_num;
// makes compatible with multi-forms on same page
$valid = $img->check("{$captcha_code}");
// Check, that the right CAPTCHA password has been entered, display an error message otherwise.
if ($valid == true) {
// some empty field and time based honyepot traps for spam bots
$hp_check = $this->si_contact_check_honeypot("{$form_id_num}");
if ($hp_check != 'ok') {
$this->si_contact_error = 1;
$fsc_error_message['captcha'] = $si_contact_opt['error_spambot'] != '' ? $si_contact_opt['error_spambot'] : __('Possible spam bot.', 'si-contact-form');
}
// ok can continue
} else {
$this->si_contact_error = 1;
$fsc_error_message['captcha'] = $si_contact_opt['error_captcha_wrong'] != '' ? $si_contact_opt['error_captcha_wrong'] : __('That CAPTCHA was incorrect.', 'si-contact-form');
static function check_captcha()
{
// begin captcha check if enabled
// captcha is optional but recommended to prevent spam bots from spamming your contact form
if (FSCF_Display::is_captcha_enabled(self::$form_id_num)) {
$captcha_code = FSCF_Util::clean_input($_POST['captcha_code']);
if (self::$global_options['enable_php_sessions'] == 'true') {
// this feature only works when PHP sessions are enabled
//captcha with PHP sessions
if (!isset($_SESSION['securimage_code_ctf_' . self::$form_id_num]) || empty($_SESSION['securimage_code_ctf_' . self::$form_id_num])) {
self::$form_errors['captcha'] = __('That CAPTCHA was incorrect. Try again.', 'si-contact-form');
} else {
if (empty($captcha_code)) {
self::$form_errors['captcha'] = self::$form_options['error_captcha_blank'] != '' ? self::$form_options['error_captcha_blank'] : __('Please complete the CAPTCHA.', 'si-contact-form');
} else {
require_once FSCF_CAPTCHA_PATH . '/securimage.php';
$img = new Securimage_ctf();
$img->form_num = self::$form_id_num;
// makes compatible with multi-forms on same page
$valid = $img->check("{$captcha_code}");
// has the right CAPTCHA code has been entered?
if ($valid == true) {
// ok can continue
} else {
self::$form_errors['captcha'] = self::$form_options['error_captcha_wrong'] != '' ? self::$form_options['error_captcha_wrong'] : __('That CAPTCHA was incorrect.', 'si-contact-form');
}
}
}
} else {
//captcha without PHP sessions
if (empty($captcha_code)) {
self::$form_errors['captcha'] = self::$form_options['error_captcha_blank'] != '' ? self::$form_options['error_captcha_blank'] : __('Please complete the CAPTCHA.', 'si-contact-form');
} else {
if (!isset($_POST['fscf_captcha_prefix' . self::$form_id_num]) || empty($_POST['fscf_captcha_prefix' . self::$form_id_num])) {
// this error means PHP session error, or they sat on the page more than 30 min
self::$form_errors['captcha'] = __('That CAPTCHA was incorrect. Try again.', 'si-contact-form');
} else {
$prefix = 'xxxxxx';
if (isset($_POST['fscf_captcha_prefix' . self::$form_id_num]) && is_string($_POST['fscf_captcha_prefix' . self::$form_id_num]) && preg_match('/^[a-zA-Z0-9]{15,17}$/', $_POST['fscf_captcha_prefix' . self::$form_id_num])) {
$prefix = $_POST['fscf_captcha_prefix' . self::$form_id_num];
}
if (is_readable(FSCF_CAPTCHA_PATH . '/cache/' . $prefix . '.php')) {
include FSCF_CAPTCHA_PATH . '/cache/' . $prefix . '.php';
// has the right CAPTCHA code has been entered?
if (0 == strcasecmp($captcha_code, $captcha_word)) {
// captcha was matched
@unlink(FSCF_CAPTCHA_PATH . '/cache/' . $prefix . '.php');
// ok can continue
} else {
self::$form_errors['captcha'] = self::$form_options['error_captcha_wrong'] != '' ? self::$form_options['error_captcha_wrong'] : __('That CAPTCHA was incorrect.', 'si-contact-form');
}
} else {
// this error means cache read error, or they sat on the page more than 30 min
self::$form_errors['captcha'] = __('That CAPTCHA was incorrect. Try again.', 'si-contact-form');
}
}
}
}
// end if use PHP session
}
// end if enable captcha
}
