mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-11-23 18:58:42 +00:00
57 lines
1.4 KiB
PHP
57 lines
1.4 KiB
PHP
<?php
|
|
|
|
function getPasswordToStore($password, $username) {
|
|
return md5($username . $password);
|
|
}
|
|
function checkPassword($user, $password) {
|
|
return $user['password'] == md5($user['username'] . $password);
|
|
}
|
|
function getPasswordClientSalt() {
|
|
return UOJConfig::$data['security']['user']['client_salt'];
|
|
}
|
|
|
|
function crsf_token() {
|
|
if (!isset($_SESSION['_token'])) {
|
|
$_SESSION['_token'] = uojRandString(60);
|
|
}
|
|
return $_SESSION['_token'];
|
|
}
|
|
function crsf_check() {
|
|
if (isset($_POST['_token'])) {
|
|
$_token = $_POST['_token'];
|
|
} elseif (isset($_GET['_token'])) {
|
|
$_token = $_GET['_token'];
|
|
} else {
|
|
return false;
|
|
}
|
|
return $_token === $_SESSION['_token'];
|
|
}
|
|
function crsf_defend() {
|
|
if (!crsf_check()) {
|
|
UOJResponse::page403(<<<EOD
|
|
<div>页面已过期（可能页面真的过期了，也可能是刚才你访问的网页没有完全加载，也可能是你的浏览器版本太老）</div>
|
|
<div><a href="">返回</a></div>
|
|
EOD);
|
|
}
|
|
}
|
|
|
|
function submission_frequency_check() {
|
|
$submission_frequency = UOJContext::getMeta('submission_frequency');
|
|
|
|
$recent = clone UOJTime::$time_now;
|
|
$recent->sub(new DateInterval($submission_frequency['interval']));
|
|
$num = DB::selectCount([
|
|
"select count(*) from submissions",
|
|
"where", [
|
|
"submitter" => Auth::id(),
|
|
["submit_time", ">=", $recent->format('Y-m-d H:i:s')]
|
|
]
|
|
]);
|
|
|
|
if ($num >= max(1, $submission_frequency['limit'])) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|