getCode()]) ? $wgLang->getCode() : 'en');
}
private static function getFunnyQuestion() {
global $wgFunnyQuestionHash, $wgFunnyQuestions;
$question = array_rand($wgFunnyQuestions[self::getLang()]);
$time = time();
# make sure the user is not able to tell us the question to answer
$hash = sha1($time.$question.$wgFunnyQuestionHash);
return array('question' => $question, 'time' => $time, 'hash' => $hash);
}
private static function setFunnyCookie() {
global $wgFunnyQuestionHash, $wgFunnyQuestionRemember, $wgRequest;
$time = time();
$wgRequest->response()->setcookie('FunnyQuestionHash', sha1($time.wfGetIP().$wgFunnyQuestionHash), $time+$wgFunnyQuestionRemember);
$wgRequest->response()->setcookie('FunnyQuestionTime', $time, $time+$wgFunnyQuestionRemember);
}
private static function hasFunnyCookie() {
global $wgFunnyQuestionHash, $wgFunnyQuestionRemember, $wgCookiePrefix;
return (!empty($_COOKIE[$wgCookiePrefix.'FunnyQuestionHash']) && !empty($_COOKIE[$wgCookiePrefix.'FunnyQuestionTime'])
&& time() - $wgFunnyQuestionRemember <= $_COOKIE[$wgCookiePrefix.'FunnyQuestionTime']
&& sha1($_COOKIE[$wgCookiePrefix.'FunnyQuestionTime']. wfGetIP().$wgFunnyQuestionHash) == $_COOKIE[$wgCookiePrefix.'FunnyQuestionHash']);
}
private static function checkFunnyQuestion() {
global $wgFunnyQuestionHash, $wgFunnyQuestions, $wgFunnyQuestionTimeout, $wgFunnyQuestionWait;
if (self::hasFunnyCookie()) {
return true;
}
if (!empty($_POST['FunnyQuestionTime'])
&& !empty($_POST['FunnyQuestionHash'])
&& !empty($_POST['FunnyAnswer'])) {
$now = time();
$time = $_POST['FunnyQuestionTime'];
$hash = $_POST['FunnyQuestionHash'];
$userAnswer = self::normalizeAnswer($_POST['FunnyAnswer']);
} else {
return false;
}
if ($now - $time > $wgFunnyQuestionTimeout) {
return false;
} elseif ($now - $time < $wgFunnyQuestionWait) {
return false;
}
foreach ($wgFunnyQuestions[self::getLang()] as $question => $answers) {
if (!is_array($answers)) {
$answers = array($answers);
}
foreach ($answers as $answer) {
if (self::normalizeAnswer($answer) == $userAnswer
&& $hash == sha1($time.$question.$wgFunnyQuestionHash)) {
self::setFunnyCookie();
return true;
}
}
}
return false;
}
public static function addFunnyQuestionToEditPage($editpage, $output) {
global $wgUser;
if (!$wgUser->isLoggedIn() && !self::hasFunnyCookie()) {
$funnyQuestion = self::getFunnyQuestion();
$editpage->editFormTextAfterWarn .=
'
';
}
return true;
}
public static function checkFunnyQuestionOnEditPage($editpage, $text, $section, $error) {
global $wgUser;
if (!$wgUser->isLoggedIn() && !self::checkFunnyQuestion()) {
$error = ''.wfMsg('wrong-answer').'
';
}
return true;
}
public static function addFunnyQuestionToUserCreateForm($template) {
if (!self::hasFunnyCookie()) {
$funnyQuestion = self::getFunnyQuestion();
$template->addInputItem('FunnyAnswer', '', 'text', 'question-label', 'question-'.sha1($funnyQuestion['question']));
$template->addInputItem('FunnyQuestionTime', $funnyQuestion['time'], 'hidden', '');
$template->addInputItem('FunnyQuestionHash', $funnyQuestion['hash'], 'hidden', '');
}
return true;
}
public static function checkFunnyQuestionOnAbortNewAccount($user, $message) {
if (!self::checkFunnyQuestion()) {
$message = wfMsg('wrong-answer');
return false;
} else {
return true;
}
}
}
?>