Commit 46dfef9a authored by soxofaan's avatar soxofaan

#195882: warn visitor when cookies are disabled

parent d7c04df7
......@@ -323,6 +323,12 @@ function captcha_form_alter(&$form, $form_state, $form_id) {
* Implementation of form #validate.
*/
function captcha_validate($form, &$form_state) {
// Check if there is CAPTCHA data available in $_SESSION.
// If not, the visitor has most likely disabled cookies.
if (!isset($_SESSION['captcha'])) {
form_set_error('captcha_response', t('Cookies should be enabled in your browser for CAPTCHA validation.'));
return;
}
// Get answer and preprocess if needed
$captcha_response = $form_state['values']['captcha_response'];
$captcha_info = $form_state['values']['captcha_info'];
......
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