def do_accept_subscription_signup(self, POST, transaction_id):
try:
transaction = SubscriptionTransaction.objects.get(
pk=transaction_id)
except BaseTransaction.DoesNotExist:
traceback.print_exc()
return
purchase = transaction.purchase.subscriptionpurchase
m = {
Period.UNIT_DAYS: 'D',
Period.UNIT_WEEKS: 'W',
Period.UNIT_MONTHS: 'M',
Period.UNIT_YEARS: 'Y',
}
period1_right = (purchase.item.subscriptionitem.trial_period.count == 0 and 'period1' not in POST) or \
(purchase.item.subscriptionitem.trial_period.count != 0 and 'period1' in POST and \
POST['period1'] == str(purchase.item.subscriptionitem.trial_period.count)+' '+m[purchase.item.subscriptionitem.trial_period.unit])
if period1_right and 'period2' not in POST and \
Decimal(POST['amount3']) == purchase.item.price and \
POST['period3'] == str(purchase.item.subscriptionitem.payment_period.count)+' '+m[purchase.item.subscriptionitem.payment_period.unit] and \
POST['mc_currency'] == purchase.item.currency:
self.do_subscription_or_recurring_created(transaction, POST,
POST['subscr_id'])
else:
logger.warning("Wrong subscription signup data")
def post(self, request):
try:
self.do_post(request)
except KeyError as e:
logger.warning("PayPal IPN var %s is missing" % e)
except:
import traceback
traceback.print_exc()
return HttpResponse('', content_type="text/plain")
def do_appect_refund(self, POST, transaction_id):
try:
transaction = BaseTransaction.objects.get(pk=transaction_id)
except BaseTransaction.DoesNotExist:
traceback.print_exc()
return
if POST['mc_currency'] == transaction.purchase.item.currency:
transaction.payment.refund_payment()
else:
logger.warning("Wrong refund currency.")
def do_do_post(self, POST, request):
debug = settings.PAYPAL_DEBUG
url = 'https://www.sandbox.paypal.com' if debug else 'https://www.paypal.com'
r = requests.post(
url + '/cgi-bin/webscr',
'cmd=_notify-validate&' + request.body.decode(
POST.get('charset') or request.content_params['charset']),
headers={'content-type': request.content_type
}) # message must use the same encoding as the original
if r.text == 'VERIFIED':
self.verified_post(POST, request)
else:
logger.warning("PayPal verification not passed")
def accept_recurring_signup(self, POST, transaction_id):
try:
transaction = SubscriptionTransaction.objects.get(
pk=transaction_id)
except BaseTransaction.DoesNotExist:
traceback.print_exc()
return
if 'period1' not in POST and 'period2' not in POST and \
Decimal(POST['mc_amount3']) == transaction.purchase.item.price + transaction.purchase.shipping + transaction.purchase.tax and \
POST['mc_currency'] == transaction.purchase.item.currency and \
POST['period3'] in self.pp_payment_cycles(transaction):
self.do_subscription_or_recurring_created(
transaction, POST, POST['recurring_payment_id'])
else:
logger.warning("Wrong recurring signup data")
def do_accept_subscription_payment(self, POST, transaction_id):
# transaction = BaseTransaction.objects.select_for_update().get(pk=transaction_id) # only inside transaction
try:
transaction = SubscriptionTransaction.objects.get(
pk=transaction_id)
except BaseTransaction.DoesNotExist:
traceback.print_exc()
return
purchase = transaction.purchase
if Decimal(POST['mc_gross']) == purchase.item.price + purchase.shipping + purchase.tax and \
POST['mc_currency'] == purchase.item.currency:
self.do_do_accept_subscription_or_recurring_payment(
transaction, purchase, POST, POST['subscr_id'])
else:
logger.warning("Wrong subscription payment data")
def do_accept_recurring_payment(self, POST, transaction_id):
# transaction = BaseTransaction.objects.select_for_update().get(pk=transaction_id) # only inside transaction
try:
transaction = SubscriptionTransaction.objects.get(
pk=transaction_id)
except BaseTransaction.DoesNotExist:
traceback.print_exc()
return
if Decimal(POST['amount_per_cycle']) == transaction.purchase.item.price + transaction.purchase.item.shipping + transaction.purchase.item.tax and \
POST['payment_cycle'] in self.pp_payment_cycles(transaction.purchase.item):
self.do_do_accept_subscription_or_recurring_payment(
transaction, transaction.purchase.item, POST,
POST['recurring_payment_id'])
else:
logger.warning("Wrong recurring payment data")
def do_do_accept_regular_payment(self, POST, transaction_id):
try:
transaction = SimpleTransaction.objects.get(pk=transaction_id)
except BaseTransaction.DoesNotExist:
traceback.print_exc()
return
if Decimal(POST['mc_gross']) == transaction.purchase.item.price and \
Decimal(POST['shipping']) == transaction.purchase.shipping and \
Decimal(POST['tax']) == transaction.purchase.tax and \
POST['mc_currency'] == transaction.purchase.item.currency:
if self.auto_refund(
transaction, transaction.purchase.simplepurchase.
prolongpurchase.prolonged, POST):
return HttpResponse('')
payment = transaction.on_accept_regular_payment(
POST['payer_email'])
self.on_payment(payment)
else:
logger.warning("Wrong amount or currency")
def do_post(self, request):
# 'payment_date', 'time_created' unused
if request.POST['receiver_email'] == settings.PAYPAL_EMAIL:
self.do_do_post(request.POST, request)
else:
logger.warning("Wrong PayPal email")
