feat: jwt auth

server/src/util/auth.ts

@@ -1,13 +1,31 @@
 import { Request } from "express"
 import User from "../model/user"
-import { JWT, JWK } from 'ts-jose';
+import { importJWK, SignJWT, jwtVerify } from "jose";
 
-const privateKey = process.env.FM_PRIVATE_KEY;
-export function checkJWT(req: Request){
-  // TODO check JWT
-  return req.cookies.jwt
+
+let key;
+
+async function setKeyFromEnv() {
+    key = await importJWK(JSON.parse(process.env.FM_PRIVATE_KEY));
 }
 
-export function getJWT(user: User){
-    return 'toekn'
-}
+async function checkJWT(req: Request){
+    try {
+        let jwt= await jwtVerify(req.cookies.jwt, key);
+        const user = await User.findOne({where: { userID: jwt.payload.sub}});
+        return user
+    } catch (error) {
+        return null
+    }
+}
+
+async function getJWT(user: User){
+    let jwt = await new SignJWT()
+        .setSubject(user.userID)
+        .setProtectedHeader({ alg: 'HS256' })
+        .setIssuedAt()
+        .sign(key);
+
+    return jwt
+}
+export {getJWT, checkJWT, setKeyFromEnv}