mirror of
https://github.com/renbaoshuo/S2OJ.git
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96d4a3ecf7
Due to historical reasons, the code is in subfolder "1". With SVN removal, we place the code back and remove the annoying "1" folder.
47 lines
1.6 KiB
PHP
47 lines
1.6 KiB
PHP
<?php
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class Cookie {
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public static function checksum($key, $val) {
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return md5(UOJConfig::$data['security']['cookie']['checksum_salt'][0] . $key . UOJConfig::$data['security']['cookie']['checksum_salt'][1] . $val . UOJConfig::$data['security']['cookie']['checksum_salt'][2]);
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}
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public static function get($key) {
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return isset($_COOKIE[$key]) ? $_COOKIE[$key] : null;
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}
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public static function set($key, $val, $expire = 0, $path = null, $config = array()) {
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$config = array_merge(array(
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'secure' => false,
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'httponly' => false
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), $config);
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$_COOKIE[$key] = $val;
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return setcookie($key, $val, $expire, $path, UOJContext::cookieDomain(), $config['secure'], $config['httponly']);
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}
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public static function unsetVar($key, $path = null) {
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if (!isset($_COOKIE[$key])) {
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return true;
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}
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unset($_COOKIE[$key]);
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return setcookie($key, null, -1, $path, UOJContext::cookieDomain());
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}
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public static function safeCheck($key, $path = null) {
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if (!isset($_COOKIE[$key])) {
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return;
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}
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if (!isset($_COOKIE[$key . '_checksum']) || $_COOKIE[$key . '_checksum'] !== Cookie::checksum($key, $_COOKIE[$key])) {
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Cookie::safeUnset($key, $path);
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}
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}
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public static function safeUnset($key, $path = null) {
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Cookie::unsetVar($key, $path);
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Cookie::unsetVar($key . '_checksum', $path);
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}
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public static function safeGet($key, $path = null) {
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Cookie::safeCheck($key, $path);
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return Cookie::get($key);
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}
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public static function safeSet($key, $val, $expire = 0, $path = null, $config = array()) {
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Cookie::set($key, $val, $expire, $path, $config);
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Cookie::set($key . '_checksum', Cookie::checksum($key, $val), $expire, $path, $config);
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}
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}
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