function spamhurdle_captcha_build_form($data)
{
if (!isset($data['captcha']['html_form'])) {
return $data;
}
global $PHORUM;
$config = $PHORUM['mod_spamhurdles']['captcha'];
$captcha = $data['captcha'];
$form = $captcha['html_form'];
// The actual value in the captcha is named {FIELDVALUE} in the
// generated captcha HTML code. Replace it with the actual value.
$fn = $captcha["input_fieldname"];
$fieldvalue = isset($_POST[$fn]) ? $_POST[$fn] : "";
$form = str_replace("{FIELDVALUE}", htmlspecialchars($fieldvalue), $form);
// Replace SPOKENURL with the URL for the spoken captcha code.
if ($config["spoken_captcha"] && file_exists($config["flite_location"])) {
$url = phorum_get_url(PHORUM_ADDON_URL, 'module=spamhurdles', 'hurdle=captcha', 'spokencaptcha=' . rawurlencode(spamhurdles_encrypt($captcha['spoken_text'])));
$form = str_replace('{SPOKENURL}', htmlspecialchars($url), $form);
}
// Replace IMAGE with the URL for the captcha image.
$url = phorum_get_url(PHORUM_ADDON_URL, 'module=spamhurdles', 'hurdle=captcha', 'imagecaptcha=' . rawurlencode(spamhurdles_encrypt(array('question' => $captcha['question'], 'type' => $captcha['type']))));
$form = str_replace('{IMAGEURL}', htmlspecialchars($url), $form);
if (!empty($data['use_editor_block'])) {
$PHORUM['DATA']['CONTENT'] = $form;
$PHORUM['DATA']['EDITOR'] = $data['use_editor_block'];
include phorum_get_template('spamhurdles::editor_block');
} else {
print $form;
}
return $data;
}
/**
* Each time that the form has to be displayed, this function can be used
* to build the HTML code that needs to be added to the protected form.
*
* @param array $data
* An array containing the spam hurdles data for the form.
* This data can be initialized for a new form by means of
* the {@link spamhurdles_api_init()} function.
*
* @return string
* The data that has to be added to the form.
*/
function spamhurdles_api_build_form($data)
{
global $PHORUM;
ob_start();
// Add the spam hurdles data encrypted to the form.
// Remove work data. This data is only used for storing data
// during a request. Also, update the TTL for the data.
$send_data = $data;
unset($send_data['work']);
$send_data['ttl'] = time() + $PHORUM['mod_spamhurdles']['key_max_ttl'];
$crypted = htmlspecialchars(spamhurdles_encrypt($send_data));
print '<input type="hidden" name="spamhurdles_' . $data['id'] . '" ' . 'id="spamhurdles_' . $data['id'] . '" value="' . $crypted . '"/>';
// Let hurdles add their required data.
spamhurdles_hurdle_call('build_form', $data, $data['hurdles']);
$form = ob_get_contents();
ob_end_clean();
return $form;
}
