function cptch_lmtttmpts_interaction()
{
global $cptch_options;
$str_key = $cptch_options['cptch_str_key']['key'];
if (1 == $cptch_options['cptch_login_form']) {
/* check for captcha existing in login form */
if (isset($_REQUEST['cptch_result']) && isset($_REQUEST['cptch_number']) && isset($_REQUEST['cptch_time'])) {
/* check for existing request by captcha */
if (0 !== strcasecmp(trim(cptch_decode($_REQUEST['cptch_result'], $str_key, $_REQUEST['cptch_time'])), $_REQUEST['cptch_number'])) {
/* is captcha wrong */
if (isset($_SESSION["cptch_login"]) && false === $_SESSION["cptch_login"]) {
return false;
/* wrong captcha */
}
}
}
}
return true;
/* no captcha in login form or its right */
}
function frm_check_cptch_post($errors, $values)
{
global $cptch_options;
// skip captcha if user is logged in and the settings allow
if (is_admin() and !defined('DOING_AJAX') or is_user_logged_in() && 1 == $cptch_options['cptch_hide_register']) {
return $errors;
}
//don't require if editing
$action_var = isset($_REQUEST['frm_action']) ? 'frm_action' : 'action';
if (isset($values[$action_var]) and $values[$action_var] == 'update') {
return $errors;
}
unset($action_var);
//don't require if not on the last page
global $frm_next_page, $frm_vars;
if (is_array($frm_vars) and isset($frm_vars['next_page']) and isset($frm_vars['next_page'][$values['form_id']]) or is_array($frm_next_page) and isset($frm_next_page[$values['form_id']])) {
return $errors;
}
//if the captcha wasn't incuded on the page
if (!isset($_POST['cptch_number'])) {
//$errors['form'] = __( 'You have entered an incorrect CAPTCHA value. Please try again.', 'cptch' );
return $errors;
}
if (!isset($cptch_options['cptch_str_key'])) {
global $str_key;
$str_key = get_option('frmcpt_str_key');
} else {
$str_key = $cptch_options['cptch_str_key']['key'];
}
// If captcha not complete, return error
if ($_POST['cptch_number'] == '') {
$errors['cptch_number'] = __('Please complete the CAPTCHA.', 'cptch');
}
if (function_exists('cptch_decode')) {
$decoded = cptch_decode($_POST['cptch_result'], $str_key, isset($_REQUEST['cptch_time']) ? $_REQUEST['cptch_time'] : null);
} else {
if (function_exists('decode')) {
$decoded = decode($_POST['cptch_result'], $str_key, isset($_REQUEST['cptch_time']) ? $_REQUEST['cptch_time'] : null);
} else {
// we don't know how to check it, so don't
return $errors;
}
}
if (isset($_POST['cptch_result']) and 0 == strcasecmp(trim($decoded), $_POST['cptch_number'])) {
// captcha was matched
} else {
$errors['cptch_number'] = __('That CAPTCHA was incorrect.', 'cptch');
}
return $errors;
}
