1 files changed, 102 insertions, 0 deletions
diff --git a/src/cdn/routes/avatars.ts b/src/cdn/routes/avatars.ts
new file mode 100644
index 00000000..40705b2e
--- /dev/null
+++ b/src/cdn/routes/avatars.ts
@@ -0,0 +1,102 @@
+import { Router, Response, Request } from "express";
+import { Config, Snowflake } from "@fosscord/util";
+import { storage } from "../util/Storage";
+import FileType from "file-type";
+import { HTTPError } from "@fosscord/util";
+import crypto from "crypto";
+import { multer } from "../util/multer";
+
+// TODO: check premium and animated pfp are allowed in the config
+// TODO: generate different sizes of icon
+// TODO: generate different image types of icon
+// TODO: delete old icons
+
+const ANIMATED_MIME_TYPES = ["image/apng", "image/gif", "image/gifv"];
+const STATIC_MIME_TYPES = [
+	"image/png",
+	"image/jpeg",
+	"image/webp",
+	"image/svg+xml",
+	"image/svg",
+];
+const ALLOWED_MIME_TYPES = [...ANIMATED_MIME_TYPES, ...STATIC_MIME_TYPES];
+
+const router = Router();
+
+router.post(
+	"/:user_id",
+	multer.single("file"),
+	async (req: Request, res: Response) => {
+		if (req.headers.signature !== Config.get().security.requestSignature)
+			throw new HTTPError("Invalid request signature");
+		if (!req.file) throw new HTTPError("Missing file");
+		const { buffer, mimetype, size, originalname, fieldname } = req.file;
+		const { user_id } = req.params;
+
+		let hash = crypto
+			.createHash("md5")
+			.update(Snowflake.generate())
+			.digest("hex");
+
+		const type = await FileType.fromBuffer(buffer);
+		if (!type || !ALLOWED_MIME_TYPES.includes(type.mime))
+			throw new HTTPError("Invalid file type");
+		if (ANIMATED_MIME_TYPES.includes(type.mime)) hash = `a_${hash}`; // animated icons have a_ infront of the hash
+
+		const path = `avatars/${user_id}/${hash}`;
+		const endpoint =
+			Config.get().cdn.endpointPublic || "http://localhost:3003";
+
+		await storage.set(path, buffer);
+
+		return res.json({
+			id: hash,
+			content_type: type.mime,
+			size,
+			url: `${endpoint}${req.baseUrl}/${user_id}/${hash}`,
+		});
+	}
+);
+
+router.get("/:user_id", async (req: Request, res: Response) => {
+	let { user_id } = req.params;
+	user_id = user_id.split(".")[0]; // remove .file extension
+	const path = `avatars/${user_id}`;
+
+	const file = await storage.get(path);
+	if (!file) throw new HTTPError("not found", 404);
+	const type = await FileType.fromBuffer(file);
+
+	res.set("Content-Type", type?.mime);
+	res.set("Cache-Control", "public, max-age=31536000");
+
+	return res.send(file);
+});
+
+router.get("/:user_id/:hash", async (req: Request, res: Response) => {
+	let { user_id, hash } = req.params;
+	hash = hash.split(".")[0]; // remove .file extension
+	const path = `avatars/${user_id}/${hash}`;
+
+	const file = await storage.get(path);
+	if (!file) throw new HTTPError("not found", 404);
+	const type = await FileType.fromBuffer(file);
+
+	res.set("Content-Type", type?.mime);
+	res.set("Cache-Control", "public, max-age=31536000");
+
+	return res.send(file);
+});
+
+router.delete("/:user_id/:id", async (req: Request, res: Response) => {
+	if (req.headers.signature !== Config.get().security.requestSignature)
+		throw new HTTPError("Invalid request signature");
+	const { user_id, id } = req.params;
+	const path = `avatars/${user_id}/${id}`;
+
+	await storage.delete(path);
+
+	return res.send({ success: true });
+});
+
+export default router;