60 lines
1.6 KiB
TypeScript
60 lines
1.6 KiB
TypeScript
import { Router, Response, Request } from "express";
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import fetch from "node-fetch";
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import { HTTPError } from "lambert-server";
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import { Snowflake } from "@fosscord/util";
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import { storage } from "@fosscord/cdn/util/Storage";
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import FileType from "file-type";
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import { Config } from "@fosscord/util";
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// TODO: somehow handle the deletion of images posted to the /external route
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const router = Router();
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const DEFAULT_FETCH_OPTIONS: any = {
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redirect: "follow",
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follow: 1,
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headers: {
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"user-agent":
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"Mozilla/5.0 (compatible Fosscordbot/0.1; +https://fosscord.com)",
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},
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size: 1024 * 1024 * 8,
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compress: true,
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method: "GET",
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};
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router.post("/", async (req: Request, res: Response) => {
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if (req.headers.signature !== Config.get().security.requestSignature)
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throw new HTTPError("Invalid request signature");
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if (!req.body) throw new HTTPError("Invalid Body");
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const { url } = req.body;
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if (!url || typeof url !== "string") throw new HTTPError("Invalid url");
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const id = Snowflake.generate();
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try {
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const response = await fetch(url, DEFAULT_FETCH_OPTIONS);
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const buffer = await response.buffer();
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await storage.set(`/external/${id}`, buffer);
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res.send({ id });
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} catch (error) {
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throw new HTTPError("Couldn't fetch website");
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}
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});
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router.get("/:id", async (req: Request, res: Response) => {
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const { id } = req.params;
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const file = await storage.get(`/external/${id}`);
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if (!file) throw new HTTPError("File not found");
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const result = await FileType.fromBuffer(file);
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res.set("Content-Type", result?.mime);
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return res.send(file);
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});
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export default router;
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