공개 키 등록 구현

src/lib/server/modules/auth.ts

@@ -1,3 +1,4 @@
+import { error } from "@sveltejs/kit";
 import jwt from "jsonwebtoken";
 import env from "$lib/server/loadenv";
 
@@ -36,3 +37,22 @@ export const verifyToken = (token: string) => {
     return TokenError.INVALID;
   }
 };
+
+export const authenticate = (request: Request) => {
+  const accessToken = request.headers.get("Authorization");
+  if (!accessToken?.startsWith("Bearer ")) {
+    error(401, "Token required");
+  }
+
+  const tokenData = verifyToken(accessToken.slice(7));
+  if (tokenData === TokenError.EXPIRED) {
+    error(401, "Token expired");
+  } else if (tokenData === TokenError.INVALID || tokenData.type !== "access") {
+    error(401, "Invalid token");
+  }
+
+  return {
+    userId: tokenData.userId,
+    clientId: tokenData.clientId,
+  };
+};