:sparkles: external assets

1 files changed, 20 insertions, 36 deletions

diff --git a/src/routes/external.ts b/src/routes/external.ts
index 3bcb39b0..2f8de5d9 100644
--- a/src/routes/external.ts
+++ b/src/routes/external.ts
@@ -2,8 +2,10 @@
 import bodyParser from "body-parser";
 import { Router } from "express";
 import fetch from "node-fetch";
-import cheerio from "cheerio";
 import crypto from "crypto";
+import { HTTPError } from "lambert-server";
+import { Snowflake } from "@fosscord/server-util";
+import { storage } from "../util/Storage";
 
 const router = Router();
 
@@ -28,52 +30,34 @@ const DEFAULT_FETCH_OPTIONS: any = {
 };
 
 router.post("/", bodyParser.json(), async (req, res) => {
-	if (!req.body) throw new Error("Invalid Body (url missing) \nExample: url:https://discord.com");
-
+	if (!req.body) throw new HTTPError("Invalid Body");
 	const { url } = req.body;
+	if (!url || typeof url !== "string") throw new HTTPError("Invalid url");
 
-	const hash = crypto.createHash("md5").update(url).digest("hex");
+	const id = Snowflake.generate();
 
 	try {
-		const request = await fetch(url, DEFAULT_FETCH_OPTIONS);
-
-		const text = await request.text();
-		const $ = cheerio.load(text);
-
-		const ogTitle = $('meta[property="og:title"]').attr("content");
-		const ogDescription = $('meta[property="og:description"]').attr("content");
-		const ogImage = $('meta[property="og:image"]').attr("content");
-		const ogUrl = $('meta[property="og:url"]').attr("content");
-		const ogType = $('meta[property="og:type"]').attr("content");
-
-		const filename = new URL(url).host.split(".")[0];
-
-		const ImageResponse = await fetch(ogImage, DEFAULT_FETCH_OPTIONS);
-		const ImageType = ImageResponse.headers.get("content-type");
-		const ImageExtension = ImageType?.split("/")[1];
-		const ImageResponseBuffer = (await ImageResponse.buffer()).toString("base64");
-		const cachedImage = `/external/${ID}/${filename}.${ImageExtension}`;
+		const response = await fetch(ogImage, DEFAULT_FETCH_OPTIONS);
+		const buffer = await response.buffer();
 
-		await db.data.externals.push({ image: ImageResponseBuffer, id: ID, type: ImageType });
+		await storage.set(`/external/${id}`, buffer);
 
-		const new_cache_entry: crawled = { id: ID, ogTitle, ogDescription, cachedImage, ogUrl, ogType };
-		await db.data.crawler.push(new_cache_entry);
-
-		res.send(new_cache_entry);
+		res.send({ id });
 	} catch (error) {
-		console.log(error);
-
-		throw new Error("Couldn't fetch website");
+		throw new HTTPError("Couldn't fetch website");
 	}
 });
 
-router.get("/:id/:filename", async (req, res) => {
-	const { id, filename } = req.params;
-	const { image, type } = await db.data.externals({ id: id }).get();
-	const imageBuffer = Buffer.from(image, "base64");
+router.get("/:id/", async (req, res) => {
+	const { id } = req.params;
+
+	const file = await storage.get(`/external/${id}`);
+	if (!file) throw new HTTPError("File not found");
+	const result = await FileType.fromBuffer(file);
+
+	res.set("Content-Type", result?.mime);
 
-	res.set("Content-Type", type);
-	res.send(imageBuffer);
+	return res.send(file);
 });
 
 export default router;