Django view to verify Paypal webook

views.py

import paypalrestsdk
from django.conf import settings
from django.http import JsonResponse
from django.utils.decorators import method_decorator
from django.views.decorators.csrf import csrf_exempt
from django.views.generic import View


paypalrestsdk.configure(dict(
    mode=settings.PAYPAL_MODE,
    client_id=settings.PAYPAL_CLIENT_ID,
    client_secret=settings.PAYPAL_CLIENT_SECRET
))


class PaypalWebhook(View):
    """
    It is best to use the default View as we need to use `request.body`
    that is unchanged. Also we need to exempt CSRF verification.
    """

    def post(self, request):
        event_body = request.body.decode('utf-8')
        transmission_id = request.META.get('HTTP_PAYPAL_TRANSMISSION_ID')
        timestamp = request.META.get('HTTP_PAYPAL_TRANSMISSION_TIME')
        webhook_id = settings.PAYPAL_WEBHOOK_ID
        actual_signature = request.META.get('HTTP_PAYPAL_TRANSMISSION_SIG')
        cert_url = request.META.get('HTTP_PAYPAL_CERT_URL')
        auth_algo = request.META.get('HTTP_PAYPAL_AUTH_ALGO')

        success = paypalrestsdk.WebhookEvent.verify(
            transmission_id, timestamp, webhook_id, event_body, cert_url,
            actual_signature, auth_algo
        )
        if not success:
            # Webhook verification failed
            pass

        # Handle webhook event
        return JsonResponse({})

    @method_decorator(csrf_exempt)
    def dispatch(self, *args, **kwargs):
        return super(PaypalWebhook, self).dispatch(*args, **kwargs)