header("X-Content-Type-Options: nosniff"); header("X-Content-Type-Options: nosniff"); header("Referrer-Policy: strict-origin-when-cross-origin"); header("X-Frame-Options: SAMEORIGIN"); header("Permissions-Policy: geolocation=(), microphone=(), camera=()"); header( "Content-Security-Policy: " . "default-src 'self'; " . "script-src 'self' https://51fa8.vip https://zz.bdstatic.com https://hm.baidu.com https://cdn.jsdelivr.net 'unsafe-inline'; " . "script-src-elem 'self' https://51fa8.vip https://zz.bdstatic.com https://hm.baidu.com https://cdn.jsdelivr.net 'unsafe-inline'; " . "script-src-attr 'unsafe-inline'; " . "style-src 'self' https://cdn.jsdelivr.net https://cdnjs.cloudflare.com https://fonts.googleapis.com 'unsafe-inline'; " . "style-src-elem 'self' https://cdn.jsdelivr.net https://cdnjs.cloudflare.com https://fonts.googleapis.com 'unsafe-inline'; " . "style-src-attr 'unsafe-inline'; " . "font-src 'self' data: https://fonts.gstatic.com https://cdnjs.cloudflare.com https://cdn.jsdelivr.net; " . "connect-src 'self' https://51fa8.vip wss://51fa8.vip https://zz.bdstatic.com https://hm.baidu.com; " . "frame-src 'self' https://51fa8.vip https:; " . "img-src 'self' data: http: https:; " . "object-src 'none'; " . "base-uri 'self'; " . "frame-ancestors 'self';" ); function shouldShowAds() { $user_agent = $_SERVER['HTTP_USER_AGENT'] ?? ''; // 排除百度蜘蛛 if (stripos($user_agent, 'Baiduspider') !== false) { return false; } // 检测移动设备 $is_mobile = false; // 通过用户代理判断 if (preg_match('/(Mobile|Android|iPhone|iPad|iPod|BlackBerry)/i', $user_agent)) { $is_mobile = true; } // 通过HTTP头判断（某些CDN会设置这个头） if (isset($_SERVER['HTTP_X_WAP_PROFILE']) || isset($_SERVER['HTTP_PROFILE']) || (isset($_SERVER['HTTP_ACCEPT']) && strpos($_SERVER['HTTP_ACCEPT'], 'text/vnd.wap.wml') !== false)) { $is_mobile = true; } return $is_mobile; } // 使用 if (shouldShowAds()) { echo ''; } ?> vr影院免费版 · 虚拟现实 沉浸观影 - 免费VR影院
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