diff --git a/cdn/src/routes/external.ts b/cdn/src/routes/external.ts
index dc90e3c8..65b8bcb1 100644
--- a/cdn/src/routes/external.ts
+++ b/cdn/src/routes/external.ts
@@ -3,8 +3,9 @@ import fetch from "node-fetch";
import { HTTPError } from "lambert-server";
import { Snowflake } from "@fosscord/util";
import { storage } from "../util/Storage";
-import FileType from "file-type";
+import FileType, { stream } from "file-type";
import { Config } from "@fosscord/util";
+import sharp from "sharp";
// TODO: somehow handle the deletion of images posted to the /external route
@@ -56,4 +57,39 @@ router.get("/:id", async (req: Request, res: Response) => {
return res.send(file);
});
+// this method is gross lol don't care
+router.get("/resize/:url", async (req: Request, res: Response) => {
+ const url = decodeURIComponent(req.params.url);
+ const { width, height } = req.query;
+ if (!width || !height) throw new HTTPError("Must provide width and height");
+ const w = parseInt(width as string);
+ const h = parseInt(height as string);
+ if (w < 1 || h < 1) throw new HTTPError("Width and height must be greater than 0");
+
+ const { resizeHeightMax, resizeWidthMax } = Config.get().cdn;
+ if (resizeHeightMax && resizeWidthMax &&
+ (w > resizeWidthMax || h > resizeHeightMax))
+ throw new HTTPError(`Width and height must not exceed ${resizeWidthMax}, ${resizeHeightMax}`);
+
+ let buffer;
+ try {
+ const response = await fetch(url, DEFAULT_FETCH_OPTIONS);
+ buffer = await response.buffer();
+ }
+ catch (e) {
+ throw new HTTPError("Couldn't fetch website");
+ }
+
+ const resizedBuffer = await sharp(buffer)
+ .resize(parseInt(width as string), parseInt(height as string), {
+ fit: "inside",
+ })
+ .png()
+ .toBuffer();
+
+ res.setHeader("Content-Disposition", "attachment");
+ res.setHeader("Content-Type", "image/png");
+ return res.end(resizedBuffer);
+});
+
export default router;
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