HonoH
Hono•2y ago
JavaDad

Typing Middleware JWT and others

Currently I am trying to type the c.get('jwtPayload') that is documented here. I have tried using the method described here in a global.d.ts file but this does not seem to take any affect, the jwtPayload get result is still typed as any.

Currently I have removed the global.d.ts file and set types on the Hono instance instead so its more explicit. This is still not working for the jwtPayload (and other values I use in middelware like the oauth middleware):

// controller.ts
const app = new Hono<{ Bindings: Bindings; Variables: Variables }>();

app.use("/*", async (c, next) => {
    const jwtMiddleware = jwt({
        secret: c.env.JWT_SECRET,
    });
    return jwtMiddleware(c, next);
});

app.use("/*", async (c, next) => {
    const jwtPayload = c.get("jwtPayload") as JWTPayload; // without cast is any
    if (jwtPayload.role < Role.MANAGER) {
        throw error(401, "Unauthorized");
    }
});

app.get("/:id", async ({ get, env, req, json }) => {
  const { id } = get("jwtPayload") as JWTPayload; // without cast is any 
  // More code below
  // ...
});

// ===========================================

// auth.ts
app.post("/auth", async(c) => {
  // Verification of google oauth omitted
  // ...

  // Once user is authed
  const newUserToken = await sign({
    id: user.id,
    email: user.email,
    name: user.name,
    profilePicture: user.profilePicture,
    role: user.role,
  },
    env.JWT_SECRET,
  );

  // Code that returns JWT to client to be included in Authorization header on subsequent requests
  // ...
});
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