/**
* Handle request from querystring such as getting image, getting sound, etc.
*/
public function indexAction()
{
$this->captcha = $this->getBotDetectCaptchaInstance();
if (is_null($this->captcha)) {
throw new BadRequestHttpException('captcha');
}
$commandString = $this->getUrlParameter('get');
if (!\BDC_StringHelper::HasValue($commandString)) {
\BDC_HttpHelper::BadRequest('command');
}
$command = \BDC_CaptchaHttpCommand::FromQuerystring($commandString);
switch ($command) {
case \BDC_CaptchaHttpCommand::GetImage:
$responseBody = $this->getImage();
break;
case \BDC_CaptchaHttpCommand::GetSound:
$responseBody = $this->getSound();
break;
case \BDC_CaptchaHttpCommand::GetValidationResult:
$responseBody = $this->getValidationResult();
break;
default:
\BDC_HttpHelper::BadRequest('command');
break;
}
// disallow audio file search engine indexing
header('X-Robots-Tag: noindex, nofollow, noarchive, nosnippet');
echo $responseBody;
exit;
}
/**
* Handle request from querystring such as getting image, getting sound, etc.
*/
public function index()
{
$this->autoRender = false;
if ($this->isGetResourceContentsRequest()) {
// getting contents of css, js, and gif files.
$this->getResourceContents();
} else {
// getting captcha image, sound, validation result
if (is_null($this->Captcha)) {
\BDC_HttpHelper::BadRequest('captcha');
}
$commandString = $this->request->query('get');
if (!\BDC_StringHelper::HasValue($commandString)) {
\BDC_HttpHelper::BadRequest('command');
}
$command = \BDC_CaptchaHttpCommand::FromQuerystring($commandString);
switch ($command) {
case \BDC_CaptchaHttpCommand::GetImage:
$responseBody = $this->getImage();
break;
case \BDC_CaptchaHttpCommand::GetSound:
$responseBody = $this->getSound();
break;
case \BDC_CaptchaHttpCommand::getValidationResult:
$responseBody = $this->getValidationResult();
break;
default:
\BDC_HttpHelper::BadRequest('command');
}
// disallow audio file search engine indexing
header('X-Robots-Tag: noindex, nofollow, noarchive, nosnippet');
echo $responseBody;
exit;
}
}