separated auth logic

Author: DashDeipayan

src/controllers/guildRoleHandler.ts

@@ -8,17 +8,15 @@ import {
   createNewRole,
   memberGroupRole,
 } from "../typeDefinitions/discordMessage.types";
+import { verifyBot } from "../utils/verifyAuthToken";
 
 export async function createGuildRoleHandler(request: IRequest, env: env) {
   const authHeader = request.headers.get("Authorization");
   if (!authHeader) {
     return new JSONResponse(response.BAD_SIGNATURE);
   }
-  const authToken = authHeader.split(" ")[1];
   try {
-    await jwt.verify(authToken, env.RDS_SERVERLESS_PUBLIC_KEY, {
-      algorithm: "RS256",
-    });
+    await verifyBot(authHeader, env);
     const body: createNewRole = await request.json();
 
     const res = await createGuildRole(body, env);

src/utils/verifyAuthToken.ts

@@ -0,0 +1,15 @@
+import { env } from "../typeDefinitions/default.types";
+import jwt from "@tsndr/cloudflare-worker-jwt";
+
+/**
+ *
+ * @param authHeader { string } : the auth header of request
+ * @param env { env }: the ctx (context) which contains the secrets put in as wrangler secrets.
+ */
+
+export async function verifyBot(authHeader: string, env: env) {
+  const authToken = authHeader.split(" ")[1];
+  await jwt.verify(authToken, env.RDS_SERVERLESS_PUBLIC_KEY, {
+    algorithm: "RS256",
+  });
+}