kms-server/backend/route.php

<?php

include 'kms-cli.php';
include 'kms-web.php';
include 'kms-help.php';
include 'kms-office.php';
include 'kms-check.php';

function isDomain($domain) {
    preg_match('/^(?=^.{3,255}$)[a-zA-Z0-9][-a-zA-Z0-9]{0,62}(\.[a-zA-Z0-9][-a-zA-Z0-9]{0,62})+$/', $domain, $match);
    return (count($match) != 0);
}

function isIPv4($ip) {
    return filter_var($ip, \FILTER_VALIDATE_IP, \FILTER_FLAG_IPV4);
}

function isIPv6($ip) {
    return filter_var($ip, \FILTER_VALIDATE_IP, \FILTER_FLAG_IPV6);
}

$kmsHost = "{KMS_HOST}";
$webSite = $kmsHost;
if (isset($_SERVER['HTTP_HOST'])) { // 获取服务URL
    $webSite = $_SERVER['HTTP_HOST'];
}
if (isDomain($webSite) || isIPv4($webSite)) { // URL为域名或者IPv4地址
    $kmsHost = $webSite;
} else {
    preg_match('/^[a-zA-Z0-9.-]*/', $webSite, $match);
    if (count($match) != 0) {
        if (isDomain($match[0]) || isIPv4($match[0])) { // 去除端口后为域名或者IPv4地址
            if ($match[0] != '127.0.0.1') { // 排除本地IP
                $kmsHost = $match[0];
            }
        }
    }
}

$url = $_SERVER['DOCUMENT_URI'];
$gbk = false;

if ($url == '/' || $url == '/help') { // 操作提示
    if ($_GET['cli'] == 'true') {
        showHelp();
    } else {
        webHelp();
    }
    exit;
}

if ($url == '/office') { // office激活帮助
    if ($_GET['cli'] == 'true') {
        showOfficeHelp();
    } else {
        webOfficeHelp();
    }
    exit;
}

if ($url == '/win') { // KMS密钥获取
    if ($_GET['cli'] == 'true') {
        showWinKeys();
    } else {
        webWinKeys();
    }
    exit;
}
if ($url == '/win-server') {
    if ($_GET['cli'] == 'true') {
        showWinServerKeys();
    } else {
        webWinServerKeys();
    }
    exit;
}

if ($url == '/win/gbk') { // KMS密钥获取(GBK兼容)
    if ($_GET['cli'] == 'true') {
        $gbk = true;
        showWinKeys();
    } else {
        header('HTTP/1.1 302 Moved Temporarily');
        header('Location: /win');
    }
    exit;
}
if ($url == '/win-server/gbk') {
    if ($_GET['cli'] == 'true') {
        $gbk = true;
        showWinServerKeys();
    } else {
        header('HTTP/1.1 302 Moved Temporarily');
        header('Location: /win-server');
    }
    exit;
}

if ($url == '/json') { // JSON格式获取KMS密钥
    header('Content-Type: application/json; charset=utf-8');
    $kmsKeys = getKmsKeys('win') + getKmsKeys('win-server');
    echo json_encode($kmsKeys);
    exit;
}
if ($url == '/win/json') {
    header('Content-Type: application/json; charset=utf-8');
    $kmsKeys = getKmsKeys('win');
    echo json_encode($kmsKeys);
    exit;
}
if ($url == '/win-server/json') {
    header('Content-Type: application/json; charset=utf-8');
    $kmsKeys = getKmsKeys('win-server');
    echo json_encode($kmsKeys);
    exit;
}

if ($url == '/check') {
    header('Content-Type: application/json; charset=utf-8');
    echo json_encode(checkKms($_GET));
    exit;
}

if ($_GET['cli'] == 'true') { // 无效请求
    echo 'Illegal Request' . PHP_EOL;
} else {
    header('Content-Type: application/json; charset=utf-8');
    echo '{"status":"error","message":"Illegal Request"}';
}

?>