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index.html
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<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="https://lib.sinaapp.com/js/bootstrap/4.3.1/css/bootstrap.min.css">
<link rel="stylesheet" href="https://cdn.bootcdn.net/ajax/libs/font-awesome/6.4.0/css/all.min.css">
<style>
.copy-btn {
margin-left: auto;
margin-bottom: 10px;
display: none;
}
.download-btn {
margin-left: auto;
margin-bottom: 10px;
}
.output-label {
display: flex;
align-items: center;
}
.button-group {
display: flex;
justify-content: flex-end;
margin-top: 10px;
}
.button-group button {
margin-left: 5px;
}
#sstapRuleContainer:not(.show) {
display: none;
}
.form-group textarea {
resize: vertical;
}
</style>
</head>
<body>
<div class="container mt-5">
<h2 class="text-center">Route to CIDR Converter</h2>
<div class="form-group mt-4">
<div class="row">
<div class="col-md-6">
<div class="d-flex flex-column">
<div class="d-flex align-items-center justify-content-between mb-2">
<label for="gameName">输入游戏名称（英文名,中文名）：</label>
</div>
<input type="text" id="gameName" class="form-control" placeholder="somegame,某游戏"
oninput="updateSSTapRule();" />
</div>
</div>
<div class="col-md-6">
<div class="d-flex flex-column">
<div class="d-flex align-items-center justify-content-between mb-2">
<label for="gatewayIP">虚拟网卡网关IP：</label>
<div class="form-check d-flex align-items-center">
<input class="form-check-input" type="checkbox" id="autoExtractCheckbox" checked
onchange="toggleAutoExtract();" />
<label class="form-check-label ml-2" for="autoExtractCheckbox" data-toggle="tooltip"
data-placement="top" title="默认选中，自动使用路由表中规则数量最多的网关 IP 地址">
自动提取 <i class="fas fa-question-circle"></i>
</label>
</div>
</div>
<input type="text" id="gatewayIP" class="form-control" placeholder="172.19.83.1/在链路上"
onblur="validateGatewayIP();" disabled="true" />
</div>
</div>
</div>
</div>
<div class="form-group mt-4">
<label for="input">粘贴路由表至此：</label>
<textarea id="input" class="form-control" rows="10"></textarea>
</div>
<div class="form-group text-center mt-4">
<div class="button-group d-flex justify-content-center">
<button onclick="convertToClash()" class="btn btn-primary">转换为 Clash 规则</button>
<button onclick="convertToSSTap()" class="btn btn-primary">转换为 SSTap 规则</button>
<button onclick="convertToNetch()" class="btn btn-primary">转换为 Netch 规则</button>
</div>
</div>
<div id="sstapRuleContainer" class="form-group mt-4 collapse">
<label for="sstapRule" class="tooltip-label">
SSTap 规则头：
<i class="fas fa-question-circle" data-toggle="tooltip" data-placement="top"
title="格式如下（分行显示为方便查看）： #CSGO(规则英文名), 反恐精英:全球攻势(规则中文名), 0(动作类型 0.代理 1.直连), 0(和上一条相同 动作类型 0.代理 1.直连), 1(未知), 0(未知), 1(是否可读写 0.可读写 1.只可读), 0(DNS代理类型 0.自动 1.直连 2.代理), By-HoldOnBro(备注)"></i>
</label>
<textarea id="sstapRule" class="form-control" rows="1"></textarea>
</div>
<div class="form-group mt-4">
<div class="row">
<div class="col-6 output-label text-right">
<label for="output" class="mr-2">转换得到规则如下：</label>
</div>
<div class="col-6">
<div class="button-group d-flex justify-content-end">
<button onclick="copyToClipboard()" id="copyButton" class="btn btn-secondary copy-btn">复制</button>
<button onclick="showDownloadDialog()" id="downloadButton" class="btn btn-success download-btn"
style="display: none;">下载</button>
</div>
</div>
<div class="col-12">
<textarea id="output" class="form-control" rows="10" readonly></textarea>
</div>
</div>
</div>
</div>
<script src="https://cdn.bootcdn.net/ajax/libs/FileSaver.js/2.0.5/FileSaver.min.js"></script>
<script>
const defaultText = `以下为示例：
IPv4 路由表
===========================================================================
活动路由:
网络目标 网络掩码 网关 接口 跃点数
0.0.0.0 0.0.0.0 192.168.123.1 192.168.123.10 25
12.25.94.0 255.255.255.0 172.19.83.1 172.19.83.237 100
14.17.17.0 255.255.255.0 172.19.83.1 172.19.83.237 100
14.17.37.0 255.255.255.0 172.19.83.1 172.19.83.237 100
14.17.44.0 255.255.255.0 172.19.83.1 172.19.83.237 100
14.17.45.0 255.255.255.0 172.19.83.1 172.19.83.237 100
14.17.108.0 255.255.255.0 172.19.83.1 172.19.83.237 100
......`;
let gameName = "";
let selectedGatewayIP = "";
window.addEventListener('DOMContentLoaded', function () {
const inputElement = document.getElementById('input');
inputElement.placeholder = defaultText;
const sstapRuleElement = document.getElementById('sstapRule');
const gameNameElement = document.getElementById('gameName');
const gatewayIPElement = document.getElementById('gatewayIP');
sstapRuleElement.addEventListener('input', function () {
const sstapRuleParts = sstapRuleElement.value.split(",");
if (sstapRuleParts.length >= 2) {
gameName = sstapRuleParts[0].substring(1) + "," + sstapRuleParts[1];
gameNameElement.value = gameName;
}
});
});
function convertToCIDR(ip, netmask) {
let binaryStr = '';
for (let octet of netmask.split('.')) {
binaryStr += Number.parseInt(octet).toString(2).padStart(8, '0');
}
const netmaskCidr = binaryStr.split('1').length - 1;
return ip + '/' + netmaskCidr;
}
function isValidIPv4(ip) {
const octets = ip.split(".");
if (octets.length !== 4) return false;
for (let octet of octets) {
let num = Number.parseInt(octet);
if (Number.isNaN(num) || num < 0 || num > 255) return false;
}
return true;
}
function isReservedIPv4(ip) {
const reservedRanges = [
{ range: '0.0.0.0/8' },
{ range: '10.0.0.0/8' },
{ range: '100.64.0.0/10' },
{ range: '127.0.0.0/8' },
{ range: '169.254.0.0/16' },
{ range: '192.0.0.0/24' },
{ range: '192.0.2.0/24' },
{ range: '192.88.99.0/24' },
{ range: '192.168.0.0/16' },
{ range: '198.18.0.0/15' },
{ range: '198.51.100.0/24' },
{ range: '203.0.113.0/24' },
{ range: '224.0.0.0/4' },
{ range: '233.252.0.0/24' },
{ range: '240.0.0.0/4' }
];
const ipParts = ip.split('.');
const ipAddress = (ipParts[0] << 24) + (ipParts[1] << 16) + (ipParts[2] << 8) + parseInt(ipParts[3]);
for (let i = 0; i < reservedRanges.length; i++) {
const rangeParts = reservedRanges[i].range.split('/');
const rangeAddress = (rangeParts[0].split('.')[0] << 24) + (rangeParts[0].split('.')[1] << 16) + (rangeParts[0].split('.')[2] << 8) + parseInt(rangeParts[0].split('.')[3]);
const rangeMask = 0xffffffff << (32 - parseInt(rangeParts[1]));
if ((ipAddress & rangeMask) === (rangeAddress & rangeMask)) {
return true;
}
}
return false;
}
function isValidSSTapRule(rule) {
// The expected format is a string starting with '#' followed by a series of comma-separated fields.
// Some fields must be specific numbers.
const regex = /^#([^,]+),([^,]+),(0|1),(0|1),(0|1),(0|1),(0|1),(0|1|2),([^,]+)$/;
return regex.test(rule);
}
function hasChinese(str) {
return /[\u4E00-\u9FA5]/.test(str);
}
function validateGameName() {
const gameNameElement = document.getElementById('gameName');
const gameNames = gameNameElement.value.split(',');
if (gameNames.length !== 2 || gameNames[0].trim() === "" || gameNames[1].trim() === "") {
gameNameElement.value = gameNameElement.placeholder;
}
}
function validateGatewayIP() {
const gatewayIPElement = document.getElementById('gatewayIP');
const gatewayIP = gatewayIPElement.value.trim();
if (gatewayIP !== "在链路上" && !isValidIPv4(gatewayIP)) {
gatewayIPElement.value = "172.19.83.1/在链路上";
}
}
function updateSSTapRule() {
const gameNameElement = document.getElementById('gameName');
const sstapRuleElement = document.getElementById('sstapRule');
const gameNames = gameNameElement.value.split(',');
if (gameNames.length === 2 && gameNames[0].trim() !== "" && gameNames[1].trim() !== "") {
const sstapRuleParts = sstapRuleElement.value.split(",");
if (sstapRuleParts.length >= 9) {
sstapRuleParts[0] = "#" + gameNames[0].trim();
sstapRuleParts[1] = gameNames[1].trim();
sstapRuleElement.value = sstapRuleParts.join(",");
}
}
}
function extractGatewayIP() {
if (document.getElementById('autoExtractCheckbox').checked) {
const inputElement = document.getElementById('input');
const gatewayIPCounts = new Map();
const routes = inputElement.value.split("\n");
for (let route of routes) {
const elements = route.trim().split(/\s+/);
if (elements.length >= 3 && isValidIPv4(elements[0])) {
const gatewayIP = elements[2];
gatewayIPCounts.set(gatewayIP, (gatewayIPCounts.get(gatewayIP) || 0) + 1);
}
}
if (gatewayIPCounts.size > 0) {
const sortedGatewayIPs = Array.from(gatewayIPCounts.keys()).sort((a, b) => gatewayIPCounts.get(b) - gatewayIPCounts.get(a));
selectedGatewayIP = sortedGatewayIPs[0];
}
} else {
const gatewayIPElement = document.getElementById('gatewayIP');
const gatewayIP = gatewayIPElement.value.trim();
selectedGatewayIP = gatewayIP;
}
}
function convertToClash() {
validateGameName();
extractGatewayIP();
const inputElement = document.getElementById("input");
const outputElement = document.getElementById("output");
const copyButton = document.getElementById("copyButton");
const downloadButton = document.getElementById("downloadButton");
const sstapRuleContainer = document.getElementById('sstapRuleContainer');
let routes = inputElement.value.split("\n");
let results = ["payload:"];
for (let route of routes) {
let elements = route.trim().split(/\s+/);
if (elements.length >= 3 && isValidIPv4(elements[0]) && elements[2] === selectedGatewayIP) {
const ipCidr = convertToCIDR(elements[0], elements[1]);
results.push(" - " + ipCidr);
}
}
outputElement.value = results.join("\n");
copyButton.style.display = "block";
downloadButton.style.display = "block";
downloadButton.dataset.fileExtension = "rules";
sstapRuleContainer.classList.remove('show');
}
function convertToSSTap() {
validateGameName();
extractGatewayIP();
updateSSTapRule();
const inputElement = document.getElementById("input");
const outputElement = document.getElementById("output");
const gameNameElement = document.getElementById('gameName');
const sstapRuleContainer = document.getElementById('sstapRuleContainer');
const sstapRuleElement = document.getElementById('sstapRule');
const copyButton = document.getElementById("copyButton");
const downloadButton = document.getElementById("downloadButton");
let routes = inputElement.value.split("\n");
let results = [];
for (let route of routes) {
let elements = route.trim().split(/\s+/);
if (elements.length >= 3 && isValidIPv4(elements[0]) && elements[2] === selectedGatewayIP) {
const ipCidr = convertToCIDR(elements[0], elements[1]);
results.push(ipCidr);
}
}
const gameNames = gameNameElement.value.split(',');
if (isValidSSTapRule(sstapRule.value)) {
sstapRuleElement.value = sstapRule.value;
} else {
sstapRuleElement.value = "#" + gameNames[0].trim() + "," + gameNames[1].trim() + ",0,0,1,0,1,0,By-HoldOnBro";
}
outputElement.value = sstapRuleElement.value + "\n" + results.join("\n");
copyButton.style.display = "block";
downloadButton.style.display = "block";
downloadButton.dataset.fileExtension = "rules";
sstapRuleContainer.classList.add('show');
}
function convertToNetch() {
validateGameName();
extractGatewayIP();
const inputElement = document.getElementById("input");
const outputElement = document.getElementById("output");
const copyButton = document.getElementById("copyButton");
const downloadButton = document.getElementById("downloadButton");
const sstapRuleContainer = document.getElementById('sstapRuleContainer');
let routes = inputElement.value.split("\n");
let results = [];
for (let route of routes) {
let elements = route.trim().split(/\s+/);
if (elements.length >= 3 && isValidIPv4(elements[0]) && elements[2] === selectedGatewayIP) {
const ipCidr = convertToCIDR(elements[0], elements[1]);
results.push(ipCidr);
}
}
outputElement.value = results.join("\n");
copyButton.style.display = "block";
downloadButton.style.display = "block";
downloadButton.dataset.fileExtension = "txt";
sstapRuleContainer.classList.remove('show');
}
function copyToClipboard() {
const outputElement = document.getElementById("output");
outputElement.select();
document.execCommand("copy");
}
function showDownloadDialog() {
const outputElement = document.getElementById("output");
const downloadButton = document.getElementById("downloadButton");
const gameNameElement = document.getElementById('gameName');
const gameNames = gameNameElement.value.split(',');
let fileName = (gameNames.length === 2 && gameNames[0].trim() !== "" && gameNames[1].trim() !== "") ? gameNames[0].trim() : "somegame";
fileName += "." + downloadButton.dataset.fileExtension;
const fileContents = outputElement.value;
const blob = new Blob([fileContents], { type: "text/plain;charset=utf-8" });
saveAs(blob, fileName);
}
function toggleAutoExtract() {
const autoExtractCheckbox = document.getElementById('autoExtractCheckbox');
const gatewayIPElement = document.getElementById('gatewayIP');
const gatewayIP = gatewayIPElement.value.trim();
if (autoExtractCheckbox.checked) {
gatewayIPElement.disabled = true;
gatewayIPElement.value = "";
} else {
gatewayIPElement.disabled = false;
gatewayIPElement.value = selectedGatewayIP;
}
}
</script>
</body>
</html>