45 lines
1.3 KiB
TypeScript
45 lines
1.3 KiB
TypeScript
import { Elysia, t } from "elysia";
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const ALLOWED_HOSTS = [
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"pbs.twimg.com",
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"video.twimg.com",
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"ton.twimg.com",
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"abs.twimg.com",
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];
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export default new Elysia({ prefix: "/proxy" })
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.get("/image", async ({ query, status, set }) => {
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const targetUrl = query.url;
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let parsed: URL;
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try {
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parsed = new URL(targetUrl);
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} catch {
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return status(400, "Invalid URL");
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}
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if (!ALLOWED_HOSTS.includes(parsed.hostname)) {
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return status(403, `Host not allowed: ${parsed.hostname}`);
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}
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const response = await fetch(targetUrl, {
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headers: {
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"User-Agent": "Mozilla/5.0 (compatible; akiyama.mizuki.guru/1.0)",
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"Referer": "https://twitter.com/",
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},
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});
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if (!response.ok) {
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return status(response.status as any, `Upstream error: ${response.status}`);
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}
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const contentType = response.headers.get("content-type") ?? "application/octet-stream";
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set.headers["Content-Type"] = contentType;
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set.headers["Cache-Control"] = "public, max-age=86400, immutable";
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return response;
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}, {
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query: t.Object({
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url: t.String(),
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}),
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});
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