40 lines
1 KiB
JavaScript
40 lines
1 KiB
JavaScript
import util from "util";
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import stream from "stream";
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import fetch from "node-fetch";
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const streamPipeline = util.promisify(stream.pipeline);
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const VALID_URL_PATTERNS = [
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/^http:\/\/images\.neopets\.com\/items\/[a-zA-Z0-9_ -]+\.gif$/,
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];
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export default async (req, res) => {
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const urlToProxy = req.query.url;
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if (!urlToProxy) {
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return res
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.status(400)
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.send("Bad request: Must provide `?url` in the query string");
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}
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if (!VALID_URL_PATTERNS.some((p) => urlToProxy.match(p))) {
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return res
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.status(400)
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.send("Bad request: URL did not match any valid patterns");
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}
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console.debug("[assetProxy] 💌 Sending: %s", urlToProxy);
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const proxyRes = await fetch(urlToProxy);
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console.debug(
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`[assetProxy] %s %s: %s`,
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proxyRes.ok ? "✅" : "🛑",
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`${proxyRes.status} ${proxyRes.statusText}`.padStart(7, " "),
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urlToProxy
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);
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res.status(proxyRes.status);
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if (proxyRes.ok) {
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res.setHeader("Cache-Control", "public, max-age=86400"); // 1 day
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}
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streamPipeline(proxyRes.body, res);
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};
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