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worker.js
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'use strict'
/**
* static files (404.html, sw.js, conf.js)
*/
const ASSET_URL = 'https://hunshcn.github.io/gh-proxy/'
// 前缀，如果自定义路由为example.com/gh/*，将PREFIX改为 '/gh/'，注意，少一个杠都会错！
const PREFIX = '/'
// 分支文件使用jsDelivr镜像的开关，0为关闭，默认关闭
const Config = {
jsdelivr: 0
}
const whiteList = [] // 白名单，路径里面有包含字符的才会通过，e.g. ['/username/']
/** @type {ResponseInit} */
const PREFLIGHT_INIT = {
status: 204,
headers: new Headers({
'access-control-allow-origin': '*',
'access-control-allow-methods': 'GET,POST,PUT,PATCH,TRACE,DELETE,HEAD,OPTIONS',
'access-control-max-age': '1728000',
}),
}
/**
* 添加新的样式常量
*/
const PH_STYLE = `
body {
background-color: #000000;
color: #ffffff;
font-family: Arial, sans-serif;
margin: 0;
padding: 0;
min-height: 100vh
}
.ph-container {
max-width: 1000px;
margin: 50px auto;
padding: 20px;
}
.ph-header {
text-align: center;
margin-bottom: 40px;
display: flex;
align-items: center;
justify-content: center;
gap: 20px;
}
.ph-logo {
font-size: 48px;
font-weight: 800;
display: inline-block;
background: #000000;
padding: 10px 20px;
border-radius: 3px;
margin: 0;
}
.ph-highlight {
display: inline-block;
background-color: #ffa31a;
color: #000000;
padding: 2px 8px;
border-radius: 3px;
margin-left: 2px;
}
.ph-input-container {
background: #1b1b1b;
padding: 30px;
border-radius: 3px;
margin-bottom: 30px;
border: 1px solid #2c2c2c;
}
.ph-input {
width: 100%;
padding: 12px;
font-size: 16px;
background: #2b2b2b;
border: 1px solid #3f3f3f;
color: #ffffff;
border-radius: 3px;
margin-bottom: 15px;
}
.ph-input:focus {
outline: none;
border-color: #ffa31a;
}
.ph-button {
background-color: #ffa31a;
color: #000000;
border: none;
padding: 12px 30px;
font-size: 16px;
font-weight: bold;
border-radius: 3px;
cursor: pointer;
text-transform: uppercase;
transition: all 0.2s;
display: inline-block;
}
.ph-button:hover {
background-color: #ff9900;
}
.ph-examples {
background: #1b1b1b;
padding: 20px;
border-radius: 3px;
border: 1px solid #2c2c2c;
}
.ph-examples h3 {
color: #ffa31a;
margin: 0 0 15px 0;
font-size: 18px;
text-transform: uppercase;
}
.ph-examples code {
display: block;
background: #2b2b2b;
padding: 12px;
margin: 8px 0;
border-radius: 3px;
color: #ffffff;
font-family: monospace;
border: 1px solid #3f3f3f;
}
.ph-warning {
color: #ffa31a;
margin-top: 15px;
font-weight: bold;
font-size: 14px;
}
/* 添加 GitHub 图标和动画样式 */
.github-icon {
width: 50px;
height: 50px;
animation: rotate 2s linear infinite;
fill: #ffa31a; /* Pornhub 黄色 */
margin: 0; /* 移除原有的 margin */
}
@keyframes rotate {
from {
transform: rotate(0deg);
}
to {
transform: rotate(360deg);
}
}
.logo-container {
display: flex;
align-items: center;
gap: 15px;
}
.ph-logo {
margin: 0;
line-height: 1;
}
`
const exp1 = /^(?:https?:\/\/)?github\.com\/.+?\/.+?\/(?:releases|archive)\/.*$/i
const exp2 = /^(?:https?:\/\/)?github\.com\/.+?\/.+?\/(?:blob|raw)\/.*$/i
const exp3 = /^(?:https?:\/\/)?github\.com\/.+?\/.+?\/(?:info|git-).*$/i
const exp4 = /^(?:https?:\/\/)?raw\.(?:githubusercontent|github)\.com\/.+?\/.+?\/.+?\/.+$/i
const exp5 = /^(?:https?:\/\/)?gist\.(?:githubusercontent|github)\.com\/.+?\/.+?\/.+$/i
const exp6 = /^(?:https?:\/\/)?github\.com\/.+?\/.+?\/tags.*$/i
/**
* @param {any} body
* @param {number} status
* @param {Object<string, string>} headers
*/
function makeRes(body, status = 200, headers = {}) {
headers['access-control-allow-origin'] = '*'
if (status === 404 && !headers['content-type']) {
body = `
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>404 - Page Not Found</title>
<style>${PH_STYLE}</style>
</head>
<body>
<div class="ph-container">
<div class="ph-header">
<div class="logo-container">
<svg class="github-icon" viewBox="0 0 16 16" version="1.1">
<path fill-rule="evenodd" d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0016 8c0-4.42-3.58-8-8-8z"></path>
</svg>
<h1 class="ph-logo">Git<span class="ph-highlight">Hub</span></h1>
</div>
</div>
<div class="ph-input-container">
<input type="text" class="ph-input" placeholder="输入 GitHub 文件链接">
<button class="ph-button" onclick="handleDownload()">立即下载</button>
</div>
<div class="ph-examples">
<h3>合法输入示例</h3>
<code>分支源码：https://github.com/hunshcn/project/archive/master.zip</code>
<code>release源码：https://github.com/hunshcn/project/archive/v0.1.0.tar.gz</code>
<code>release文件：https://github.com/hunshcn/project/releases/download/v0.1.0/example.zip</code>
<p class="ph-warning">⚠️ 注意：不支持项目文件夹</p>
</div>
</div>
<script>
function handleDownload() {
const input = document.querySelector('.ph-input');
const url = input.value.trim();
if (url) {
window.location.href = '${PREFIX}' + url;
}
}
</script>
</body>
</html>
`
headers['content-type'] = 'text/html'
}
return new Response(body, {status, headers})
}
/**
* @param {string} urlStr
*/
function newUrl(urlStr) {
try {
return new URL(urlStr)
} catch (err) {
return null
}
}
addEventListener('fetch', e => {
const ret = fetchHandler(e)
.catch(err => makeRes('cfworker error:\n' + err.stack, 502))
e.respondWith(ret)
})
function checkUrl(u) {
for (let i of [exp1, exp2, exp3, exp4, exp5, exp6]) {
if (u.search(i) === 0) {
return true
}
}
return false
}
// 添加主页模板
const HOME_PAGE = `
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>GitHub 文件加速</title>
<style>${PH_STYLE}</style>
</head>
<body style="background-color: #0A0A0A;">
<div class="ph-container">
<div class="ph-header">
<div class="logo-container">
<svg class="github-icon" viewBox="0 0 16 16" version="1.1">
<path fill-rule="evenodd" d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0016 8c0-4.42-3.58-8-8-8z"></path>
</svg>
<h1 class="ph-logo" style="color: white; font-size: 60px;">Git<span style="background-color: #F90; color: black; padding: 0 10px; margin-left: 5px;">Hub</span></h1>
</div>
</div>
<div class="ph-input-container" style="background: #1a1a1a; border: 1px solid #2e2e2e;">
<input type="text" class="ph-input"
style="background: #2b2b2b; border: 1px solid #3f3f3f; font-size: 18px; padding: 15px;"
placeholder="输入 GitHub 文件链接">
<button class="ph-button"
style="background: #F90; padding: 15px 40px; font-size: 18px; margin-top: 10px; width: 100%;"
onclick="handleDownload()">立即下载</button>
</div>
<div class="ph-examples" style="background: #1a1a1a; border: 1px solid #2e2e2e;">
<h3 style="color: #F90; font-size: 20px;">合法输入示例</h3>
<code style="background: #2b2b2b; border: 1px solid #3f3f3f;">分支源码：https://github.com/hunshcn/project/archive/master.zip</code>
<code style="background: #2b2b2b; border: 1px solid #3f3f3f;">release源码：https://github.com/hunshcn/project/archive/v0.1.0.tar.gz</code>
<code style="background: #2b2b2b; border: 1px solid #3f3f3f;">release文件：https://github.com/hunshcn/project/releases/download/v0.1.0/example.zip</code>
<p style="color: #F90; margin-top: 20px; font-weight: bold;">⚠️ 注意：不支持项目文件夹</p>
</div>
</div>
<script>
function handleDownload() {
const input = document.querySelector('.ph-input');
const url = input.value.trim();
if (url) {
window.location.href = '${PREFIX}' + url;
}
}
</script>
</body>
</html>
`
/**
* @param {FetchEvent} e
*/
async function fetchHandler(e) {
const req = e.request
const urlStr = req.url
const urlObj = new URL(urlStr)
let path = urlObj.searchParams.get('q')
// 如果是根路径，显示主页
if (urlObj.pathname === PREFIX) {
return new Response(HOME_PAGE, {
headers: {
'content-type': 'text/html;charset=UTF-8'
}
})
}
if (path) {
return Response.redirect('https://' + urlObj.host + PREFIX + path, 301)
}
// cfworker 会把路径中的 `//` 合并成 `/`
path = urlObj.href.substr(urlObj.origin.length + PREFIX.length).replace(/^https?:\/+/, 'https://')
if (path.search(exp1) === 0 || path.search(exp5) === 0 || path.search(exp6) === 0 || path.search(exp3) === 0 || path.search(exp4) === 0) {
return httpHandler(req, path)
} else if (path.search(exp2) === 0) {
if (Config.jsdelivr) {
const newUrl = path.replace('/blob/', '@').replace(/^(?:https?:\/\/)?github\.com/, 'https://cdn.jsdelivr.net/gh')
return Response.redirect(newUrl, 302)
} else {
path = path.replace('/blob/', '/raw/')
return httpHandler(req, path)
}
} else if (path.search(exp4) === 0) {
const newUrl = path.replace(/(?<=com\/.+?\/.+?)\/(.+?\/)/, '@$1').replace(/^(?:https?:\/\/)?raw\.(?:githubusercontent|github)\.com/, 'https://cdn.jsdelivr.net/gh')
return Response.redirect(newUrl, 302)
} else {
return fetch(ASSET_URL + path)
}
}
/**
* @param {Request} req
* @param {string} pathname
*/
function httpHandler(req, pathname) {
const reqHdrRaw = req.headers
// preflight
if (req.method === 'OPTIONS' &&
reqHdrRaw.has('access-control-request-headers')
) {
return new Response(null, PREFLIGHT_INIT)
}
const reqHdrNew = new Headers(reqHdrRaw)
let urlStr = pathname
let flag = !Boolean(whiteList.length)
for (let i of whiteList) {
if (urlStr.includes(i)) {
flag = true
break
}
}
if (!flag) {
return new Response("blocked", {status: 403})
}
if (urlStr.search(/^https?:\/\//) !== 0) {
urlStr = 'https://' + urlStr
}
const urlObj = newUrl(urlStr)
/** @type {RequestInit} */
const reqInit = {
method: req.method,
headers: reqHdrNew,
redirect: 'manual',
body: req.body
}
return proxy(urlObj, reqInit)
}
/**
*
* @param {URL} urlObj
* @param {RequestInit} reqInit
*/
async function proxy(urlObj, reqInit) {
const res = await fetch(urlObj.href, reqInit)
const resHdrOld = res.headers
const resHdrNew = new Headers(resHdrOld)
const status = res.status
if (resHdrNew.has('location')) {
let _location = resHdrNew.get('location')
if (checkUrl(_location))
resHdrNew.set('location', PREFIX + _location)
else {
reqInit.redirect = 'follow'
return proxy(newUrl(_location), reqInit)
}
}
resHdrNew.set('access-control-expose-headers', '*')
resHdrNew.set('access-control-allow-origin', '*')
resHdrNew.delete('content-security-policy')
resHdrNew.delete('content-security-policy-report-only')
resHdrNew.delete('clear-site-data')
return new Response(res.body, {
status,
headers: resHdrNew,
})
}