function checkCaptcha()
{
global $PASSWORD, $error;
if (!empty($PASSWORD) || $this->permanent && $_COOKIE["LW_CAPTCHA"] == $this->cookie_password) {
return false;
}
$question_id = $_REQUEST["qid"];
$answer = trim($_REQUEST["ans"]);
if (empty($question_id) || empty($answer) || !is_numeric($question_id)) {
return true;
}
$right_answers = explode(",", $this->getQuestion($question_id, 2));
$equals = false;
foreach ($right_answers as $a) {
if (!strcasecmp(trim($a), $answer)) {
$equals = true;
$_COOKIE['LW_CAPTCHA'] = $this->cookie_password;
if ($this->permanent) {
setsafecookie('LW_CAPTCHA', $this->cookie_password, time() + 365 * 24 * 3600);
}
break;
}
}
if (!$equals) {
$error = "Captcha plugin: Given answer is not correct. Try again.";
}
return !$equals;
}
function authentified()
{
if (strlen($this->PASSWORD) > 0 && $_COOKIE["LW_ADMIN"] == $this->PASSWORD || isset($_POST["sc"]) && sha1($_POST["sc"]) == $this->PASSWORD) {
setsafecookie("LW_ADMIN", $this->PASSWORD, time() + $this->expire_login);
return true;
} else {
return false;
}
}
function authentified()
{
if (!$GLOBALS['PASSWORD'] || !strcasecmp($_COOKIE['LW_AUT'], $GLOBALS['PASSWORD']) || !strcasecmp(sha1($GLOBALS['sc']), $GLOBALS['PASSWORD'])) {
setsafecookie('LW_AUT', $GLOBALS['PASSWORD'], time() + ($GLOBALS['PROTECTED_READ'] ? 4 * 3600 : 365 * 86400));
return true;
} else {
return false;
}
}