/**
* Returns Captcha-Image String
*
* @param Field $field
* @return string image URL
*/
public function render(Field $field)
{
switch (TypoScriptUtility::getCaptchaExtensionFromSettings($this->settings)) {
case 'captcha':
$image = ExtensionManagementUtility::siteRelPath('captcha') . 'captcha/captcha.php';
break;
default:
/** @var CalculatingCaptchaService $captchaService */
$captchaService = $this->objectManager->get('In2code\\Powermail\\Domain\\Service\\CalculatingCaptchaService');
$image = $captchaService->render($field);
}
return $image;
}
/**
* Check if given string is correct
*
* @param string $value
* @param Field $field
* @return bool
*/
protected function validCodePreflight($value, $field)
{
switch (TypoScriptUtility::getCaptchaExtensionFromSettings($this->settings)) {
case 'captcha':
session_start();
$generatedCaptchaString = $_SESSION['tx_captcha_string'];
if ($this->isClearSession()) {
$_SESSION['tx_captcha_string'] = '';
}
if (!empty($value) && $generatedCaptchaString === $value) {
return true;
}
break;
default:
/** @var CalculatingCaptchaService $captchaService */
$captchaService = $this->objectManager->get('In2code\\Powermail\\Domain\\Service\\CalculatingCaptchaService');
if ($captchaService->validCode($value, $field, $this->isClearSession())) {
return true;
}
}
return false;
}
