256 lines
7.6 KiB
PHP
256 lines
7.6 KiB
PHP
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<?php
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/**
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* HTTP / Cookie 辅助函数（ip_check 与 f_check 共用）
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*/
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if (!function_exists('cloak_get_SERVER_value')) {
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function cloak_get_SERVER_value($field_name)
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{
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return isset($_SERVER[$field_name]) ? $_SERVER[$field_name] : null;
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}
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}
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if (!function_exists('get_SERVER_value')) {
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function get_SERVER_value($field_name)
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{
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return cloak_get_SERVER_value($field_name);
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}
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}
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if (!function_exists('cloak_request_is_https')) {
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/**
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* 访客是否通过 HTTPS 访问（含 Cloudflare / 反代 X-Forwarded-Proto）
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*/
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function cloak_request_is_https()
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{
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if (!empty($_SERVER['HTTPS']) && strtolower((string) $_SERVER['HTTPS']) !== 'off' && $_SERVER['HTTPS'] !== '0') {
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return true;
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}
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if (!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && strtolower((string) $_SERVER['HTTP_X_FORWARDED_PROTO']) === 'https') {
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return true;
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}
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if (!empty($_SERVER['HTTP_X_FORWARDED_SSL']) && strtolower((string) $_SERVER['HTTP_X_FORWARDED_SSL']) === 'on') {
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return true;
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}
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if (!empty($_SERVER['HTTP_FRONT_END_HTTPS']) && strtolower((string) $_SERVER['HTTP_FRONT_END_HTTPS']) === 'on') {
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return true;
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}
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if (!empty($_SERVER['HTTP_CF_VISITOR'])) {
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$cf = json_decode((string) $_SERVER['HTTP_CF_VISITOR'], true);
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if (is_array($cf) && ($cf['scheme'] ?? '') === 'https') {
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return true;
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}
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}
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if (!empty($_SERVER['SERVER_PORT']) && (int) $_SERVER['SERVER_PORT'] === 443) {
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return true;
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}
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return false;
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}
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}
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if (!function_exists('cloak_current_request_url')) {
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/**
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* 浏览器实际访问的完整 URL（用于日志 page 字段；无 query 时不拼裸 ?）
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*/
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function cloak_current_request_url()
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{
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$scheme = cloak_request_is_https() ? 'https' : 'http';
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$host = (string) ($_SERVER['HTTP_HOST'] ?? 'localhost');
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if (!empty($_SERVER['REQUEST_URI'])) {
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$uri = (string) $_SERVER['REQUEST_URI'];
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if (strpos($uri, '://') !== false) {
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return $uri;
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}
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if ($uri === '' || $uri[0] !== '/') {
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$uri = '/' . ltrim($uri, '/');
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}
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return $scheme . '://' . $host . $uri;
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}
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$path = (string) ($_SERVER['SCRIPT_NAME'] ?? $_SERVER['PHP_SELF'] ?? '/');
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$qs = (string) ($_SERVER['QUERY_STRING'] ?? '');
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$url = $scheme . '://' . $host . $path;
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if ($qs !== '') {
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$url .= '?' . $qs;
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}
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return $url;
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}
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}
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if (!function_exists('cloak_encode_visitor_cookies')) {
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function cloak_encode_visitor_cookies()
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{
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$transmit_string = '';
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foreach ($_COOKIE as $name => $value) {
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try {
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$transmit_string .= "$name=$value; ";
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} catch (Exception $e) {
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continue;
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}
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}
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return $transmit_string;
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}
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}
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if (!function_exists('encode_visitor_cookies')) {
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function encode_visitor_cookies()
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{
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return cloak_encode_visitor_cookies();
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}
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}
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if (!function_exists('cloak_forward_response_cookies')) {
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function cloak_forward_response_cookies($ch, $headerLine)
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{
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if (preg_match('/^Set-Cookie:/mi', $headerLine, $cookie)) {
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header($headerLine, false);
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}
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return strlen($headerLine);
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}
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}
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if (!function_exists('forward_response_cookies')) {
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function forward_response_cookies($ch, $headerLine)
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{
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return cloak_forward_response_cookies($ch, $headerLine);
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}
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}
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if (!function_exists('cloak_write_nt_list')) {
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function cloak_write_nt_list($cong_name, $nt, $ot)
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{
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$cong_name = parse_url($cong_name, PHP_URL_PATH);
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$content = $cong_name . '||||||' . $nt . "\n";
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$file = 'nt.txt';
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if ($ot) {
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$handle = @fopen($file, 'r+');
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$search = '/' . $cong_name . '\|\|\|\|\|\|' . $ot . '/';
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$found = false;
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$tempContent = '';
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while (!feof($handle)) {
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$line = fgets($handle);
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if (preg_match($search, $line)) {
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$tempContent .= $content;
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$found = true;
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} else {
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$tempContent .= $line;
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}
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}
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if ($found && flock($handle, LOCK_EX)) {
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file_put_contents($file, $tempContent);
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flock($handle, LOCK_UN);
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}
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fclose($handle);
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} else {
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$handle = @fopen($file, 'a');
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if ($handle && flock($handle, LOCK_EX)) {
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fwrite($handle, $content);
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flock($handle, LOCK_UN);
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}
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if ($handle) {
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fclose($handle);
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}
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}
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}
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}
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if (!function_exists('write_nt_list')) {
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function write_nt_list($cong_name, $nt, $ot)
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{
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cloak_write_nt_list($cong_name, $nt, $ot);
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}
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}
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if (!function_exists('cloak_fingerprint_cookie_domain')) {
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/**
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* 指纹 Cookie 使用的跨子域 domain（与 setCrossDomainCookie 一致）
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*/
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function cloak_fingerprint_cookie_domain()
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{
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if (empty($_SERVER['HTTP_HOST'])) {
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return '';
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}
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$host_names = explode('.', $_SERVER['HTTP_HOST']);
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if (count($host_names) < 2) {
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return '';
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}
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return '.' . $host_names[count($host_names) - 2] . '.' . $host_names[count($host_names) - 1];
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}
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}
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if (!function_exists('cloak_set_cross_domain_cookie')) {
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function cloak_set_cross_domain_cookie($name, $value, $expire)
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{
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$bottom_host_name = cloak_fingerprint_cookie_domain();
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if ($bottom_host_name === '') {
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setcookie($name, $value, $expire, '/');
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return;
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}
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setcookie($name, $value, $expire, '/', $bottom_host_name);
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}
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}
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if (!function_exists('setCrossDomainCookie')) {
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function setCrossDomainCookie($name, $value, $expire)
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{
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cloak_set_cross_domain_cookie($name, $value, $expire);
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}
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}
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if (!function_exists('cloak_fingerprint_time_param_present')) {
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/**
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* URL 是否已带 time 参数（表示前端指纹页已执行过一次跳转）
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*/
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function cloak_fingerprint_time_param_present()
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{
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return isset($_GET['time']) && (string) $_GET['time'] !== '';
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}
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}
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if (!function_exists('cloak_fingerprint_cookies_ready')) {
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/**
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* 前端指纹 Cookie 是否已写入
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*/
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function cloak_fingerprint_cookies_ready()
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{
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return isset($_COOKIE['ctime'], $_COOKIE['cyyek'], $_COOKIE['cl']);
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}
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}
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if (!function_exists('cloak_fingerprint_mmr_reason')) {
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/**
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* 根据 mmr Cookie 返回中文拒绝理由
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*/
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function cloak_fingerprint_mmr_reason()
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{
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if (!isset($_COOKIE['mmr'])) {
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return '指纹检测未通过(未知原因)';
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}
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$mmrMap = [
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1 => '语言包含中文',
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2 => 'PC端客户不允许访问',
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3 => '操作系统非IOS或者安卓',
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4 => 'IPHONE 机型不符合要求',
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11 => '非IPHONE机型',
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12 => '自动化/WebDriver',
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13 => '模拟器或虚拟机UA',
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14 => '爬虫Bot UA',
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15 => 'WebGL软件渲染',
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16 => '环境不一致(平台/触摸/窗口)',
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17 => '移动GPU与UA不符',
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18 => '移动端无有效加速度计/陀螺仪',
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];
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$mmr = (int) $_COOKIE['mmr'];
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return $mmrMap[$mmr] ?? '指纹检测未通过(未知原因)';
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}
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}
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