<?php
/* Callback resource for Confident CAPTCHA AJAX calls
*/
require_once 'config.php';
require_once 'confidentcaptcha/ccap_api.php';
require_once 'confidentcaptcha/ccap_persist.php';
require_once 'confidentcaptcha/ccap_policy_factory.php';
session_start();
$ccap_api = new CCAP_API($ccap_api_settings['customer_id'], $ccap_api_settings['site_id'], $ccap_api_settings['api_username'], $ccap_api_settings['api_password'], $ccap_server_url);
$ccap_persist = new CCAP_PersistSession();
$ccap_policy = CCAP_PolicyFactory::restore($ccap_persist, $ccap_api, $ccap_default_policy);
/* Generate callback response */
function captcha_callback($ccap_policy)
{
// Peform any setup needed at the start of a page w/ CAPTCHA
$start_error = $ccap_policy->start_captcha_page();
if ($start_error !== NULL) {
return "Error starting callback page: {$start_error}";
}
$endpoint = isset($_REQUEST['endpoint']) ? $_REQUEST['endpoint'] : '';
return $ccap_policy->callback($endpoint, $_REQUEST);
}
if ($ccap_policy) {
$ret = captcha_callback($ccap_policy);
$content = $ret[0];
$headers = $ret[1];
foreach ($headers as $h) {
header($h);
}
echo $content;
the form to work even when the CAPTCHA doesn\'t.', 'CCAP_ProductionFailClosed' => 'When CAPTCHA creation fails,
the form will fail. Useful for account creation forms, where you
don\'t want the form to proceed without a CAPTCHA check.', 'CCAP_DevelopmentPolicy' => 'Records all calls made to the
CAPTCHA API server. Useful for initial form development and
troubleshooting, but will leak secrets if used in production.');
if (empty($policy)) {
$used_policy = $ccap_default_policy;
} elseif (in_array($policy, array_keys($valid_policies))) {
$used_policy = $policy;
} else {
$used_policy = $ccap_default_policy;
if (!in_array($used_policy, array_keys($valid_policies))) {
die("Bad default policy '{$ccap_default_policy}'");
}
}
$ccap_policy = CCAP_PolicyFactory::create($used_policy, $ccap_api, $ccap_persist);
function option_get($key)
{
if (isset($_REQUEST["ccap_{$key}"])) {
return $_REQUEST["ccap_{$key}"];
} elseif (isset($ccap_options[$key])) {
return $ccap_options[$key];
} else {
return NULL;
}
}
// Load CAPTCHA parameters
$display_style = option_get('display_style');
$include_audio = option_get('include_audio');
$height = option_get('height');
$width = option_get('width');
