mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-12-27 12:41:52 +00:00
181 lines
4.3 KiB
PHP
181 lines
4.3 KiB
PHP
<?php
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class UOJContext {
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public static $meta_default = [
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'users_default_permissions' => [
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'problems' => [
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'view' => true,
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'download_testdata' => false,
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'create' => false,
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'manage' => false,
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],
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'contests' => [
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'view' => true,
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'register' => true,
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'create' => false,
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'start_final_test' => false,
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'manage' => false,
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],
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'lists' => [
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'view' => true,
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'create' => false,
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'manage' => false,
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],
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'groups' => [
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'view' => true,
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'create' => false,
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'manage' => false,
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],
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'blogs' => [
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'view' => true,
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'create' => true,
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'manage' => false,
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],
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'users' => [
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'view' => true,
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'upload_image' => true,
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],
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],
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'submission_frequency' => [
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'interval' => 'PT1S',
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'limit' => 1,
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],
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];
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public static $data = [
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'type' => 'main'
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];
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public static function pageConfig() {
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switch (self::$data['type']) {
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case 'main':
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return [
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'PageNav' => 'main-nav'
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];
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case 'blog':
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return [
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'PageNav' => 'blog-nav',
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'PageMainTitle' => UOJUserBlog::id() . '的博客',
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'PageMainTitleOnSmall' => '博客',
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];
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}
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}
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public static function isAjax() {
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return isset($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest';
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}
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public static function contentLength() {
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if (!isset($_SERVER['CONTENT_LENGTH'])) {
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return null;
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}
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return (int)$_SERVER['CONTENT_LENGTH'];
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}
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public static function documentRoot() {
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return $_SERVER['DOCUMENT_ROOT'];
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}
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public static function storagePath() {
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return $_SERVER['DOCUMENT_ROOT'] . '/app/storage';
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}
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public static function remoteAddr() {
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return $_SERVER['REMOTE_ADDR'];
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}
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public static function httpXForwardedFor() {
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return isset($_SERVER['HTTP_X_FORWARDED_FOR']) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : '';
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}
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public static function httpUserAgent() {
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return isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : '';
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}
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public static function requestURI() {
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return $_SERVER['REQUEST_URI'];
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}
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public static function requestPath() {
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$uri = $_SERVER['REQUEST_URI'];
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$p = strpos($uri, '?');
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if ($p === false) {
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return $uri;
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} else {
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return substr($uri, 0, $p);
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}
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}
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public static function requestMethod() {
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return $_SERVER['REQUEST_METHOD'];
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}
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public static function httpHost() {
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return isset($_SERVER['HTTP_X_FORWARDED_HOST']) ? $_SERVER['HTTP_X_FORWARDED_HOST'] : (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : '');
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}
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public static function requestDomain() {
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$http_host = UOJContext::httpHost();
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$ret = explode(':', $http_host);
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if (!is_array($ret) || count($ret) > 2) {
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return '';
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}
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return $ret[0];
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}
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public static function isUsingHttps() {
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return (isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] == 'on' || $_SERVER['HTTPS'] == 1))
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|| (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https')
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|| $_SERVER['SERVER_PORT'] == 443;
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}
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public static function requestPort() {
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$http_host = UOJContext::httpHost();
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$ret = explode(':', $http_host);
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if (!is_array($ret) || count($ret) > 2) {
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return -1;
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}
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if (count($ret) == 1) {
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return UOJContext::isUsingHttps() ? 443 : 80;
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}
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return validateUInt($ret[1]) ? (int)$ret[1] : -1;
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}
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public static function cookieDomain() {
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$domain = UOJConfig::$data['web']['domain'];
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if ($domain === null) {
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$domain = UOJConfig::$data['web']['main']['host'];
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}
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if (validateIP($domain) || strpos($domain, '.') === false) {
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$domain = '';
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} else {
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$domain = '.' . $domain;
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}
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return $domain;
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}
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public static function hasCDN() {
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return isset(UOJConfig::$data['web']['cdn']);
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}
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public static function type() {
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return self::$data['type'];
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}
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public static function setupBlog() {
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UOJUserBlog::init();
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self::$data['type'] = 'blog';
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}
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public static function getMeta($name) {
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$value = DB::selectFirst([
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"select value from meta",
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"where", ['name' => $name]
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]);
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if ($value === null) {
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return self::$meta_default[$name];
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} else {
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return json_decode($value['value'], true);
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}
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}
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public static function setMeta($name, $value) {
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$value = json_encode($value);
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return DB::update([
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"insert into meta", DB::bracketed_fields(['name', 'value', 'updated_at']),
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"values", DB::tuple([$name, $value, DB::now()]),
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"on duplicate key update", ['value' => $value]
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]);
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}
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}
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