// Verify Chargebee webhook with Basic Auth
// NOTE: Chargebee uses Basic Auth (not HMAC signatures), so raw body access
// is not required. Use express.json() for automatic JSON parsing:
app.post('/webhooks/chargebee', express.json(), (req, res) => {
  // Extract Basic Auth credentials
  const auth = req.headers.authorization;
  if (!auth || !auth.startsWith('Basic ')) {
    return res.status(401).send('Unauthorized');
  }

  // Decode and verify credentials
  const encoded = auth.substring(6);
  const decoded = Buffer.from(encoded, 'base64').toString('utf-8');
  const [username, password] = decoded.split(':');

  const expectedUsername = process.env.CHARGEBEE_WEBHOOK_USERNAME;
  const expectedPassword = process.env.CHARGEBEE_WEBHOOK_PASSWORD;

  if (username !== expectedUsername || password !== expectedPassword) {
    return res.status(401).send('Invalid credentials');
  }

  // Access the parsed JSON directly
  const event = req.body;
  console.log(`Received ${event.event_type} event:`, event.id);

  // Handle specific event types
  switch (event.event_type) {
    case 'subscription_created':
    case 'subscription_changed':
    case 'subscription_cancelled':
      // Process subscription events
      break;
    case 'payment_succeeded':
    case 'payment_failed':
      // Process payment events
      break;
  }

  res.status(200).send('OK');
});

// Note: If you later need raw body access (e.g., for HMAC signature
// verification with other providers), use express.raw():
// app.post('/webhooks/other', express.raw({ type: 'application/json' }), (req, res) => {
//   const rawBody = req.body.toString();
//   // ... verify signature using rawBody ...
// });

// app/webhooks/chargebee/route.ts
import { NextRequest } from 'next/server';

export async function POST(req: NextRequest) {
  // Extract Basic Auth credentials
  const auth = req.headers.get('authorization');
  if (!auth || !auth.startsWith('Basic ')) {
    return new Response('Unauthorized', { status: 401 });
  }

  // Decode and verify credentials
  const encoded = auth.substring(6);
  const decoded = Buffer.from(encoded, 'base64').toString('utf-8');
  const [username, password] = decoded.split(':');

  const expectedUsername = process.env.CHARGEBEE_WEBHOOK_USERNAME;
  const expectedPassword = process.env.CHARGEBEE_WEBHOOK_PASSWORD;

  if (username !== expectedUsername || password !== expectedPassword) {
    return new Response('Invalid credentials', { status: 401 });
  }

  // Process the webhook
  const event = await req.json();
  console.log(`Received ${event.event_type} event:`, event.id);

  return new Response('OK', { status: 200 });
}

# main.py
from fastapi import FastAPI, Header, HTTPException, Depends
from typing import Optional
import base64
import os

app = FastAPI()

def verify_chargebee_auth(authorization: Optional[str] = Header(None)):
    """Verify Chargebee webhook Basic Auth"""
    if not authorization or not authorization.startswith("Basic "):
        raise HTTPException(status_code=401, detail="Unauthorized")

    # Decode credentials
    encoded = authorization[6:]
    decoded = base64.b64decode(encoded).decode('utf-8')

    # Split username:password (handle colons in password)
    if ':' not in decoded:
        raise HTTPException(status_code=401, detail="Invalid authorization format")

    colon_index = decoded.index(':')
    username = decoded[:colon_index]
    password = decoded[colon_index + 1:]

    expected_username = os.getenv("CHARGEBEE_WEBHOOK_USERNAME")
    expected_password = os.getenv("CHARGEBEE_WEBHOOK_PASSWORD")

    if username != expected_username or password != expected_password:
        raise HTTPException(status_code=401, detail="Invalid credentials")

    return True

@app.post("/webhooks/chargebee")
async def handle_chargebee_webhook(
    event: dict,
    auth_valid: bool = Depends(verify_chargebee_auth)
):
    """Handle Chargebee webhook events"""
    event_type = event.get("event_type")
    print(f"Received {event_type} event: {event.get('id')}")

    # Process event based on type
    if event_type in ["subscription_created", "subscription_changed", "subscription_cancelled"]:
        # Handle subscription events
        pass
    elif event_type in ["payment_succeeded", "payment_failed"]:
        # Handle payment events
        pass

    return {"status": "OK"}

# Chargebee webhook Basic Auth credentials
CHARGEBEE_WEBHOOK_USERNAME=your_webhook_username
CHARGEBEE_WEBHOOK_PASSWORD=your_webhook_password

npx hookdeck-cli listen 3000 chargebee --path /webhooks/chargebee