/**
* @return string
*/
private function getInstanceId()
{
$instanceId = $this->getUrlParameter('t');
if (!\BDC_StringHelper::HasValue($instanceId) || !\BDC_CaptchaBase::IsValidInstanceId($instanceId)) {
return;
}
return $instanceId;
}
return $canonical;
}
// 2. include required base class declarations
require_once BDC_INCLUDE_PATH . 'CaptchaIncludes.php';
// 3. include BotDetect configuration
// a) mandatory global config, located in lib path
require_once BDC_INCLUDE_PATH . 'CaptchaConfigDefaults.php';
// b) optional config override
function BDC_ApplyUserConfigOverride($CaptchaConfig, $CurrentCaptchaId)
{
$BotDetect = clone $CaptchaConfig;
$BDC_ConfigOverridePath = BDC_CONFIG_OVERRIDE_PATH . 'CaptchaConfig.php';
if (is_file($BDC_ConfigOverridePath)) {
include $BDC_ConfigOverridePath;
CaptchaConfiguration::ProcessGlobalDeclarations($BotDetect);
// 2nd pass correctly takes global declarations such as DisabledImageStyles into account
// even if they're declared after affected values in the CaptchaConfig.php file
// e.g. ImageStyle setting needs to be re-calculated according to DisabledImageStyles value
include $BDC_ConfigOverridePath;
}
return $BotDetect;
}
// 4. determine is this file included in a form/class, or requested directly
$BDC_RequestFilename = basename($_SERVER['REQUEST_URI']);
if (BDC_StringHelper::StartsWith($BDC_RequestFilename, 'botdetect.php')) {
// direct access, proceed as Captcha handler (serving images and sounds)
require_once BDC_INCLUDE_PATH . 'CaptchaHandler.php';
} else {
// included in another file, proceed as Captcha class (form helper)
require_once BDC_INCLUDE_PATH . 'CaptchaClass.php';
}
/**
* @return string
*/
private function getInstanceId()
{
$instanceId = $this->request->query('t');
if (!\BDC_StringHelper::HasValue($instanceId) || !\BDC_CaptchaBase::IsValidInstanceId($instanceId)) {
return;
}
return $instanceId;
}
