Implement basic auth on portal

apps/portal/src/hooks.server.ts

@@ -0,0 +1,15 @@
+import { env } from '$env/dynamic/private';
+import { redirect, type Handle } from '@sveltejs/kit';
+import { createHmac } from 'node:crypto';
+
+export const handle: Handle = async ({ event, resolve }) => {
+    const cookieHash = event.cookies.get("session");
+    const computedHash = createHmac("sha256", env.PORTAL_SECRET)
+        .update("authenticated")
+        .digest("hex");
+    if (event.url.pathname !== "/login" && cookieHash !== computedHash)
+        redirect(307, "/login");
+
+    const response = await resolve(event);
+    return response;
+};