php域名远程授权

<?php
$allowedDomains = ['example.com', 'www.example.com'];

$requestHost = $_SERVER['HTTP_HOST'] ?? '';

if (!in_array($requestHost, $allowedDomains)) {
    header('HTTP/1.0 403 Forbidden');
    echo 'Access Denied';
    exit();
}

// 继续处理请求
?>

<?php
$allowedDomains = ['example.com', 'www.example.com'];

$requestHost = $_SERVER['HTTP_HOST'] ?? '';

foreach ($allowedDomains as $domain) {
    if (strpos($requestHost, $domain) === 0) {
        // 允许访问
        break;
    }
}

if (!isset($domain)) {
    header('HTTP/1.0 403 Forbidden');
    echo 'Access Denied';
    exit();
}

// 继续处理请求
?>

<?php
$allowedDomains = ['example.com', 'www.example.com'];

$requestHost = $_SERVER['HTTP_HOST'] ?? '';

if (!in_array($requestHost, $allowedDomains)) {
    // 检查IP地址是否匹配
    $allowedIps = ['192.168.1.1', '192.168.1.2'];
    $clientIp = $_SERVER['REMOTE_ADDR'] ?? '';

    if (!in_array($clientIp, $allowedIps)) {
        header('HTTP/1.0 403 Forbidden');
        echo 'Access Denied';
        exit();
    }
}

// 继续处理请求
?>