Build Phase 2 judge vertical slice

apps/api/src/auth/middleware.ts

@@ -0,0 +1,24 @@
+import type { MiddlewareHandler } from "hono"
+
+import { failure } from "../http"
+import { getSessionUser, type AuthUser } from "./session"
+
+export interface AppEnv {
+  Variables: {
+    user: AuthUser | null
+  }
+}
+
+export const optionalAuth: MiddlewareHandler<AppEnv> = async (c, next) => {
+  c.set("user", await getSessionUser(c))
+  await next()
+}
+
+export const requireAuth: MiddlewareHandler<AppEnv> = async (c, next) => {
+  const user = await getSessionUser(c)
+  if (!user) {
+    return failure(c, 401, "login-required", "Authentication required")
+  }
+  c.set("user", user)
+  await next()
+}