cf-worker/reverse-proxy/github-releases.js

42 lines
1.4 KiB
JavaScript

export default {
async fetch(request) {
const url = new URL(request.url);
const { hostname, pathname, search } = url;
if (checkUrl(pathname)) {
const response = await fetch(new Request("https://github.com" + pathname + search, {
body: request.body,
headers: request.headers,
method: request.method,
redirect: "follow"
}));
const responseText = await response.text();
const modifiedText = responseText.replace(/github\.com/g, hostname);
return new Response(modifiedText, {
status: response.status,
statusText: response.statusText,
headers: response.headers
});
} else {
let tip = `GitHub 下载代理,支持 releases、archive、tags、raw 等。\n\n\n\n
使用方法:
将 Github 原链接中的 【github.com】 改为 【${hostname}】。\n
例如:
【https://github.com/a/a/releases】
【https://${hostname}/a/a/releases】`
return new Response(tip);
}
}
};
function checkUrl(u) {
const exp1 = "/.+?\/.+?\/(?:releases|archive|tags).*"
const exp2 = "/.+?\/.+?\/raw\/.*"
for (let ind of [exp1, exp2]) {
if (u.search(ind) === 0) {
return true
}
}
return false
}