Building high-performanceEdTech platforms andlow-level systems.

firestore.rules

function isOwner(userId) {
  return isSignedIn() && request.auth.uid == userId;
}
 
function isValidRole(role) {
  return role in ["Teacher", "Student"];
}

app/api/liqpay/callback/route.ts

const { privateKey } = getLiqPaySandboxKeys();
if (!verifyLiqPaySignature(privateKey, data, signature)) {
  return NextResponse.json({ ok: false }, { status: 400 });
}
const decoded = decodeLiqPayData(data);
 
 

app/api/livekit/token/route.ts

const user = await verifyFirebaseIdToken(idToken, projectId);
const lesson = await fetchLessonForCaller(projectId, lessonId, idToken);
if (!lesson) {
  return NextResponse.json({ error: "Lesson not found." }, { status: 404 });
}
const minted = await mintLessonLivekitToken({ uid: user.uid, lesson });