/**
* Adds hidden field to form for JavaScript test
* @return string
*/
public static function AddJSCode()
{
global $wgCTHiddenFieldName, $wgCTHiddenFieldDefault, $wgCTExtName;
$ct_checkjs_key = CTBody::getJSChallenge();
$field_id = $wgCTHiddenFieldName . '_' . md5(rand(0, 1000));
$html = '
<input type="hidden" id="%s" name="%s" value="%s" />
<script type="text/javascript">
// <![CDATA[
var ct_input_name = \'%s\';
var ct_input_value = document.getElementById(ct_input_name).value;
var ct_input_challenge = \'%s\';
document.getElementById(ct_input_name).value = document.getElementById(ct_input_name).value.replace(ct_input_value, ct_input_challenge);
if (document.getElementById(ct_input_name).value == ct_input_value) {
document.getElementById(ct_input_name).value = ct_set_challenge(ct_input_challenge);
}
function ct_set_challenge(val) {
return val;
};
// ]]>
</script>
';
$html = sprintf($html, $field_id, $wgCTHiddenFieldName, $wgCTHiddenFieldDefault, $field_id, $ct_checkjs_key);
$html .= '<noscript><p><b>Please enable JavaScript to pass anti-spam protection!</b><br />Here are the instructions how to enable JavaScript in your web browser <a href="http://www.enable-javascript.com" rel="nofollow" target="_blank">http://www.enable-javascript.com</a>.<br />' . $wgCTExtName . '.</p></noscript>';
return $html;
}
/**
* Account spam test
* @return bool
*/
public static function onAbortNewAccount($user, &$message)
{
global $wgCTAccessKey, $wgCTServerURL, $wgRequest, $wgCTAgent, $wgCTExtName;
$allowAccount = true;
// The facility in which to store the query parameters
$ctRequest = new CleantalkRequest();
$ctRequest->auth_key = $wgCTAccessKey;
$ctRequest->sender_email = $user->mEmail;
$ctRequest->sender_nickname = $user->mName;
$ctRequest->agent = $wgCTAgent;
$ctRequest->sender_ip = $wgRequest->getIP();
$ctRequest->js_on = CTBody::JSTest();
$ctRequest->submit_time = CTBody::SubmitTimeTest();
$ctRequest->sender_info = json_encode(array('page_url' => htmlspecialchars(@$_SERVER['SERVER_NAME'] . @$_SERVER['REQUEST_URI'])));
$ct = new Cleantalk();
$ct->server_url = $wgCTServerURL;
// Check
$ctResult = $ct->isAllowUser($ctRequest);
// Allow account if we have any API errors
if ($ctResult->errno != 0) {
if (CTBody::JSTest() != 1) {
$ctResult->allow = 0;
$ctResult->comment = "Forbidden. Please, enable Javascript.";
} else {
$ctResult->allow = 1;
}
}
// Disallow account with CleanTalk comment
if ($ctResult->allow == 0) {
$allowAccount = false;
$message = $ctResult->comment;
}
if ($ctResult->inactive === 1) {
CTBody::SendAdminEmail($wgCTExtName, $ctResult->comment);
}
return $allowAccount;
}