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import express, { Request, Response, Application } from "express";
import fs from "fs";
import path from "path";
import fetch, { Response as FetchResponse } from "node-fetch";
import { Config } from "@fosscord/util";
export default function TestClient(app: Application) {
const assetCache = new Map<string, { response: FetchResponse; buffer: Buffer }>();
const indexHTML = fs.readFileSync(path.join(__dirname, "..", "..", "client_test", "index.html"), { encoding: "utf8" });
var html = indexHTML;
const CDN_ENDPOINT = (Config.get().cdn.endpointClient || Config.get()?.cdn.endpoint || process.env.CDN || "").replace(
/(https?)?(:\/\/?)/g,
""
);
const GATEWAY_ENDPOINT = Config.get().gateway.endpointClient || Config.get()?.gateway.endpoint || process.env.GATEWAY || "";
if (CDN_ENDPOINT) {
html = html.replace(/CDN_HOST: .+/, `CDN_HOST: \`${CDN_ENDPOINT}\`,`);
}
if (GATEWAY_ENDPOINT) {
html = html.replace(/GATEWAY_ENDPOINT: .+/, `GATEWAY_ENDPOINT: \`${GATEWAY_ENDPOINT}\`,`);
}
app.use("/assets", express.static(path.join(__dirname, "..", "assets")));
app.get("/assets/:file", async (req: Request, res: Response) => {
delete req.headers.host;
var response: FetchResponse;
var buffer: Buffer;
const cache = assetCache.get(req.params.file);
if (!cache) {
response = await fetch(`https://discord.com/assets/${req.params.file}`, {
// @ts-ignore
headers: {
...req.headers
}
});
buffer = await response.buffer();
} else {
response = cache.response;
buffer = cache.buffer;
}
response.headers.forEach((value, name) => {
if (
[
"content-length",
"content-security-policy",
"strict-transport-security",
"set-cookie",
"transfer-encoding",
"expect-ct",
"access-control-allow-origin",
"content-encoding"
].includes(name.toLowerCase())
) {
return;
}
res.set(name, value);
});
assetCache.set(req.params.file, { buffer, response });
return res.send(buffer);
});
app.get("*", (req: Request, res: Response) => {
res.set("Cache-Control", "public, max-age=" + 60 * 60 * 24);
res.set("content-type", "text/html");
res.send(html);
});
}
|
