def _find_cart(data):
"""Find purchase using a google id, or other things"""
# If this is an existing order, then we'll find it in the db by transaction id
payment = GoogleIPN._find_payment(data)
if payment:
return payment.cart
# Otherwise, it's more complex, because we need to find the cart's uuid somewhere
private_data = None
if "shopping-cart.merchant-private-data" in data:
private_data = data["shopping-cart.merchant-private-data"]
else:
items = [x for x in data.keys() if x.endswith("merchant-private-item-data")]
if len(items) > 0:
private_data = data[items[0]]
if not private_data:
logger.error("Could not find private data in:\n%s" % format_data(data))
return None # Not a HiiCart purchase ?
return cart_by_uuid(private_data)
def _find_cart(data):
"""Find purchase using a google id, or other things"""
# If this is an existing order, then we'll find it in the db by transaction id
payment = GoogleIPN._find_payment(data)
if payment:
return payment.cart
# Otherwise, it's more complex, because we need to find the cart's uuid somewhere
private_data = None
if "shopping-cart.merchant-private-data" in data:
private_data = data["shopping-cart.merchant-private-data"]
else:
items = [
x for x in data.keys() if x.endswith("merchant-private-item-data")
]
if len(items) > 0:
private_data = data[items[0]]
if not private_data:
log.error("Could not find private data. Data: %s" % str(data.items()))
return None # Not a HiiCart purchase ?
return cart_by_uuid(private_data)
def ipn(request):
"""View to receive notifications from Google"""
if request.method != "POST":
return HttpResponse("Requests must be POSTed")
data = request.POST
log.info("IPN Notification received from Google Checkout: %s" % data)
# Check credentials
gateway = GoogleGateway()
if "IPN_AUTH_VALS" in gateway.settings:
mine = call_func(gateway.settings["IPN_AUTH_VALS"])
else:
mine = gateway.get_basic_auth()
theirs = request.META["HTTP_AUTHORIZATION"].split(" ")[1]
if theirs not in mine:
response = HttpResponse("Authorization Required")
response["WWW-Authenticate"] = "Basic"
response.status_code = 401
return response
# Handle the notification
type = data["_type"]
handler = GoogleIPN()
if type == "new-order-notification":
handler.new_order(data)
elif type == "order-state-change-notification":
handler.order_state_change(data)
elif type == "risk-information-notification":
handler.risk_information(data)
elif type == "charge-amount-notification":
handler.charge_amount(data)
elif type == "refund-amount-notification":
handler.refund_amount(data)
elif type == "chargeback-amount-notification":
handler.chargeback_amount(data)
elif type == "authorization-amount-notification":
handler.authorization_amount(data)
elif type == "cancelled-subscription-notification":
handler.cancelled_subscription(data)
else:
raise GoogleGatewayError("google gateway: Unknown message type recieved: %s" % type)
# Return ack so google knows we handled the message
ack = "<notification-acknowledgment xmlns='http://checkout.google.com/schema/2' serial-number='%s'/>" % data["serial-number"].strip()
response = HttpResponse(content=ack, content_type="text/xml; charset=UTF-8")
log.debug("Google Checkout: Sending IPN Acknowledgement")
return response
def ipn(request):
"""View to receive notifications from Google"""
if request.method != "POST":
log.error('google ipn request not POSTed')
return HttpResponseBadRequest("Requests must be POSTed")
data = request.POST
log.info("IPN Notification received from Google Checkout: %s" % data)
cart = _find_cart(data)
if cart:
gateway = GoogleGateway(cart)
# Check credentials
if gateway.settings.get("IPN_AUTH_VALS", False):
mine = call_func(gateway.settings["IPN_AUTH_VALS"])
else:
mine = gateway.get_basic_auth()
theirs = request.META["HTTP_AUTHORIZATION"].split(" ")[1]
if theirs not in mine:
response = HttpResponse("Authorization Required")
response["WWW-Authenticate"] = "Basic"
response.status_code = 401
return response
# Handle the notification
type = data["_type"]
handler = GoogleIPN(cart)
if type == "new-order-notification":
handler.new_order(data)
elif type == "order-state-change-notification":
handler.order_state_change(data)
elif type == "risk-information-notification":
handler.risk_information(data)
elif type == "charge-amount-notification":
handler.charge_amount(data)
elif type == "refund-amount-notification":
handler.refund_amount(data)
elif type == "chargeback-amount-notification":
handler.chargeback_amount(data)
elif type == "authorization-amount-notification":
handler.authorization_amount(data)
elif type == "cancelled-subscription-notification":
handler.cancelled_subscription(data)
else:
log.error("google gateway: Unknown message type recieved: %s" %
type)
else:
log.error('google gateway: Unknown tranaction, %s' % data)
# Return ack so google knows we handled the message
ack = "<notification-acknowledgment xmlns='http://checkout.google.com/schema/2' serial-number='%s'/>" % data[
"serial-number"].strip()
response = HttpResponse(content=ack,
content_type="text/xml; charset=UTF-8")
log.debug("Google Checkout: Sending IPN Acknowledgement")
return response
