From 14f08f05ac6960be10251777de9fbb1169ad00bd Mon Sep 17 00:00:00 2001
From: Flam3rboy <34555296+Flam3rboy@users.noreply.github.com>
Date: Sat, 30 Jan 2021 19:57:07 +0100
Subject: [PATCH] :sparkles: Authentication

---
 src/middlewares/Authentication.ts | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 src/middlewares/Authentication.ts

diff --git a/src/middlewares/Authentication.ts b/src/middlewares/Authentication.ts
new file mode 100644
index 00000000..5a1241f3
--- /dev/null
+++ b/src/middlewares/Authentication.ts
@@ -0,0 +1,30 @@
+import jwt from "jsonwebtoken";
+import { NextFunction, Request, Response } from "express";
+import { HTTPError } from "lambert-server";
+import Config from "../util/Config";
+import { JWTOptions } from "../util/Constants";
+
+export const NO_AUTHORIZATION_ROUTES = ["/api/v8/auth/login", "/api/v8/auth/register"];
+
+declare global {
+	namespace Express {
+		interface Request {
+			userid: any;
+			token: any;
+		}
+	}
+}
+
+export function Authentication(req: Request, res: Response, next: NextFunction) {
+	if (NO_AUTHORIZATION_ROUTES.includes(req.url)) return next();
+	if (!req.headers.authorization) return next(new HTTPError("Missing Authorization Header", 401));
+
+	return jwt.verify(req.headers.authorization, Config.get().server.jwtSecret, JWTOptions, (err, decoded: any) => {
+		if (err || !decoded) return next(new HTTPError("Invalid Token", 401));
+
+		req.token = decoded;
+		req.userid = decoded.id;
+
+		return next();
+	});
+}