def post(self, mode=""):
if mode == "set_ec":
sid = self.request.get("sid")
user_info = memcache.get(sid)
product = Product.getProduct()
nvp_params = {
'L_PAYMENTREQUEST_0_NAME0':
str(product['quantity']) + ' ' + product['units'],
'L_PAYMENTREQUEST_0_AMT0':
str(product['price']),
'L_PAYMENTREQUEST_0_QTY0':
1,
'L_PAYMENTREQUEST_0_ITEMCATEGORY0':
'Digital',
'PAYMENTREQUEST_0_AMT':
str(product['price']),
'RETURNURL':
self.request.host_url + "/do_ec_payment?sid=" + sid,
'CANCELURL':
self.request.host_url + "/cancel_ec?sid=" + sid
}
response = EC.set_express_checkout(nvp_params)
if response.status_code != 200:
logging.error("Failure for SetExpressCheckout")
template_values = {
'title': 'Error',
'operation': 'SetExpressCheckout'
}
path = os.path.join(os.path.dirname(__file__), '..',
'templates', 'unknown_error.html')
return self.response.out.write(
template.render(path, template_values))
# The remainder of the transaction is completed in context
parsed_qs = cgi.parse_qs(response.content)
redirect_url = EC.generate_express_checkout_digital_goods_redirect_url(
parsed_qs['TOKEN'][0])
return self.redirect(redirect_url)
else:
logging.error("Unknown mode for POST request!")
def post(self, mode=""):
if mode == "set_ec":
sid = self.request.get("sid")
user_info = memcache.get(sid)
product = Product.getProduct()
nvp_params = {
'PAYMENTREQUEST_0_AMT': str(product['price']),
'RETURNURL':
self.request.host_url + "/get_ec_details?sid=" + sid,
'CANCELURL': self.request.host_url + "/cancel_ec?sid=" + sid
}
response = EC.set_express_checkout(nvp_params)
if response.status_code != 200:
logging.error("Failure for SetExpressCheckout")
template_values = {
'title': 'Error',
'operation': 'SetExpressCheckout'
}
path = os.path.join(os.path.dirname(__file__), '..',
'templates', 'unknown_error.html')
return self.response.out.write(
template.render(path, template_values))
# Redirect to PayPal and allow user to confirm payment details.
# Then PayPal redirects back to the /get_ec_details or /cancel_ec endpoints.
# Assuming /get_ec_details, we complete the transaction with PayPal.get_express_checkout_details
# and PayPal.do_express_checkout_payment
parsed_qs = cgi.parse_qs(response.content)
redirect_url = EC.generate_express_checkout_redirect_url(
parsed_qs['TOKEN'][0])
return self.redirect(redirect_url)
else:
logging.error("Unknown mode for POST request!")
def post(self, mode=""):
if mode == "set_ec":
sid = self.request.get("sid")
user_info = memcache.get(sid)
product = Product.getProduct()
nvp_params = {
'L_PAYMENTREQUEST_0_NAME0' : str(product['quantity']) + ' ' + product['units'],
'L_PAYMENTREQUEST_0_AMT0' : str(product['price']),
'L_PAYMENTREQUEST_0_QTY0' : 1,
'L_PAYMENTREQUEST_0_ITEMCATEGORY0' : 'Digital',
'PAYMENTREQUEST_0_AMT' : str(product['price']),
'RETURNURL' : self.request.host_url+"/do_ec_payment?sid="+sid,
'CANCELURL': self.request.host_url+"/cancel_ec?sid="+sid
}
response = EC.set_express_checkout(nvp_params)
if response.status_code != 200:
logging.error("Failure for SetExpressCheckout")
template_values = {
'title' : 'Error',
'operation' : 'SetExpressCheckout'
}
path = os.path.join(os.path.dirname(__file__), '..', 'templates', 'unknown_error.html')
return self.response.out.write(template.render(path, template_values))
# The remainder of the transaction is completed in context
parsed_qs = cgi.parse_qs(response.content)
redirect_url = EC.generate_express_checkout_digital_goods_redirect_url(parsed_qs['TOKEN'][0])
return self.redirect(redirect_url)
else:
logging.error("Unknown mode for POST request!")
def post(self, mode=""):
if mode == "set_ec":
sid = self.request.get("sid")
user_info = memcache.get(sid)
product = Product.getProduct()
nvp_params = {
'PAYMENTREQUEST_0_AMT' : str(product['price']),
'RETURNURL' : self.request.host_url+"/get_ec_details?sid="+sid,
'CANCELURL': self.request.host_url+"/cancel_ec?sid="+sid
}
response = EC.set_express_checkout(nvp_params)
if response.status_code != 200:
logging.error("Failure for SetExpressCheckout")
template_values = {
'title' : 'Error',
'operation' : 'SetExpressCheckout'
}
path = os.path.join(os.path.dirname(__file__), '..', 'templates', 'unknown_error.html')
return self.response.out.write(template.render(path, template_values))
# Redirect to PayPal and allow user to confirm payment details.
# Then PayPal redirects back to the /get_ec_details or /cancel_ec endpoints.
# Assuming /get_ec_details, we complete the transaction with PayPal.get_express_checkout_details
# and PayPal.do_express_checkout_payment
parsed_qs = cgi.parse_qs(response.content)
redirect_url = EC.generate_express_checkout_redirect_url(parsed_qs['TOKEN'][0])
return self.redirect(redirect_url)
else:
logging.error("Unknown mode for POST request!")
def get(self, mode=""):
if mode == "do_ec_payment":
if memcache.get(self.request.get("sid")) is not None: # Without an account reference, we can't credit the purchase
payerid = self.request.get("PayerID")
product = Product.getProduct()
nvp_params = {
'PAYERID' : payerid,
'L_PAYMENTREQUEST_0_NAME0' : str(product['quantity']) + ' ' + product['units'],
'L_PAYMENTREQUEST_0_AMT0' : str(product['price']),
'L_PAYMENTREQUEST_0_QTY0' : 1,
'L_PAYMENTREQUEST_0_ITEMCATEGORY0' : 'Digital',
'PAYMENTREQUEST_0_AMT' : str(product['price'])
}
response = EC.do_express_checkout_payment(
self.request.get("token"),
nvp_params
)
if response.status_code != 200:
logging.error("Failure for DoExpressCheckoutPayment")
template_values = {
'title' : 'Error',
'operation' : 'DoExpressCheckoutPayment'
}
path = os.path.join(os.path.dirname(__file__), '..', 'templates', 'unknown_error.html')
return self.response.out.write(template.render(path, template_values))
# Ensure that the payment was successful
parsed_qs = cgi.parse_qs(response.content)
if parsed_qs['ACK'][0] != 'Success':
logging.error("Unsuccessful DoExpressCheckoutPayment")
template_values = {
'title' : 'Error',
'details' : parsed_qs['L_LONGMESSAGE0'][0]
}
path = os.path.join(os.path.dirname(__file__), '..', 'templates', 'unsuccessful_payment.html')
return self.response.out.write(template.render(path, template_values))
if parsed_qs['PAYMENTINFO_0_PAYMENTSTATUS'][0] != 'Completed':
logging.error("Unsuccessful DoExpressCheckoutPayment")
logging.error(parsed_qs)
template_values = {
'title' : 'Error',
'details' : 'Sorry, but there was an unexpected problem processing your payment.'
}
path = os.path.join(os.path.dirname(__file__), '..', 'templates', 'unsuccessful_payment.html')
return self.response.out.write(template.render(path, template_values))
# Credit the user's account
user_info = memcache.get(self.request.get("sid"))
twitter_username = user_info['username']
product = Product.getProduct()
AppHandler.creditUserAccount(twitter_username, product['quantity'])
template_values = {
'title' : 'Successful Payment',
'quantity' : product['quantity'],
'units' : product['units']
}
path = os.path.join(os.path.dirname(__file__), '..', 'templates', 'successful_payment.html')
self.response.out.write(template.render(path, template_values))
else:
logging.error("Invalid/expired session in /do_ec_payment")
template_values = {
'title' : 'Session Expired',
}
path = os.path.join(os.path.dirname(__file__), '..', 'templates', 'session_expired.html')
self.response.out.write(template.render(path, template_values))
elif mode == "cancel_ec":
template_values = {
'title' : 'Cancel Purchase',
}
path = os.path.join(os.path.dirname(__file__), '..', 'templates', 'cancel_purchase.html')
self.response.out.write(template.render(path, template_values))
def get(self, mode=""):
if mode == "get_ec_details":
response = EC.get_express_checkout_details(self.request.get("token"))
if response.status_code != 200:
logging.error("Failure for GetExpressCheckoutDetails")
template_values = {
'title' : 'Error',
'operation' : 'GetExpressCheckoutDetails'
}
path = os.path.join(os.path.dirname(__file__), '..', 'templates', 'unknown_error.html')
return self.response.out.write(template.render(path, template_values))
product = Product.getProduct()
parsed_qs = cgi.parse_qs(response.content)
template_values = {
'title' : 'Confirm Purchase',
'quantity' : product['quantity'],
'units' : product['units'],
'email' : parsed_qs['EMAIL'][0],
'amount' : parsed_qs['PAYMENTREQUEST_0_AMT'][0],
'query_string_params' : self.request.query_string
}
path = os.path.join(os.path.dirname(__file__), '..', 'templates', 'confirm_purchase.html')
self.response.out.write(template.render(path, template_values))
elif mode == "do_ec_payment":
if memcache.get(self.request.get("sid")) is not None: # Without an account reference, we can't credit the purchase
payerid = self.request.get("PayerID")
product = Product.getProduct()
nvp_params = {
'PAYERID' : payerid,
'PAYMENTREQUEST_0_AMT' : str(product['price'])
}
response = EC.do_express_checkout_payment(
self.request.get("token"),
nvp_params
)
if response.status_code != 200:
logging.error("Failure for DoExpressCheckoutPayment")
template_values = {
'title' : 'Error',
'operation' : 'DoExpressCheckoutPayment'
}
path = os.path.join(os.path.dirname(__file__), '..', 'templates', 'unknown_error.html')
return self.response.out.write(template.render(path, template_values))
# Ensure that the payment was successful
parsed_qs = cgi.parse_qs(response.content)
if parsed_qs['ACK'][0] != 'Success':
logging.error("Unsuccessful DoExpressCheckoutPayment")
template_values = {
'title' : 'Error',
'details' : parsed_qs['L_LONGMESSAGE0'][0]
}
path = os.path.join(os.path.dirname(__file__), '..', 'templates', 'unsuccessful_payment.html')
return self.response.out.write(template.render(path, template_values))
if parsed_qs['PAYMENTINFO_0_PAYMENTSTATUS'][0] != 'Completed': # Probably an eCheck
logging.error("Unsuccessful DoExpressCheckoutPayment")
logging.error(parsed_qs)
template_values = {
'title' : 'Error',
'details' : 'Sorry, eChecks are not accepted. Please send an instant payment.'
}
path = os.path.join(os.path.dirname(__file__), '..', 'templates', 'unsuccessful_payment.html')
return self.response.out.write(template.render(path, template_values))
# Credit the user's account
user_info = memcache.get(self.request.get("sid"))
twitter_username = user_info['username']
product = Product.getProduct()
AppHandler.creditUserAccount(twitter_username, product['quantity'])
template_values = {
'title' : 'Successful Payment',
'quantity' : product['quantity'],
'units' : product['units']
}
path = os.path.join(os.path.dirname(__file__), '..', 'templates', 'successful_payment.html')
self.response.out.write(template.render(path, template_values))
else:
logging.error("Invalid/expired session in /do_ec_payment")
template_values = {
'title' : 'Session Expired',
}
path = os.path.join(os.path.dirname(__file__), '..', 'templates', 'session_expired.html')
self.response.out.write(template.render(path, template_values))
elif mode == "cancel_ec":
template_values = {
'title' : 'Cancel Purchase',
}
path = os.path.join(os.path.dirname(__file__), '..', 'templates', 'cancel_purchase.html')
self.response.out.write(template.render(path, template_values))
def get(self, mode=""):
if mode == "do_ec_payment":
if memcache.get(
self.request.get("sid")
) is not None: # Without an account reference, we can't credit the purchase
payerid = self.request.get("PayerID")
product = Product.getProduct()
nvp_params = {
'PAYERID':
payerid,
'L_PAYMENTREQUEST_0_NAME0':
str(product['quantity']) + ' ' + product['units'],
'L_PAYMENTREQUEST_0_AMT0':
str(product['price']),
'L_PAYMENTREQUEST_0_QTY0':
1,
'L_PAYMENTREQUEST_0_ITEMCATEGORY0':
'Digital',
'PAYMENTREQUEST_0_AMT':
str(product['price'])
}
response = EC.do_express_checkout_payment(
self.request.get("token"), nvp_params)
if response.status_code != 200:
logging.error("Failure for DoExpressCheckoutPayment")
template_values = {
'title': 'Error',
'operation': 'DoExpressCheckoutPayment'
}
path = os.path.join(os.path.dirname(__file__), '..',
'templates', 'unknown_error.html')
return self.response.out.write(
template.render(path, template_values))
# Ensure that the payment was successful
parsed_qs = cgi.parse_qs(response.content)
if parsed_qs['ACK'][0] != 'Success':
logging.error("Unsuccessful DoExpressCheckoutPayment")
template_values = {
'title': 'Error',
'details': parsed_qs['L_LONGMESSAGE0'][0]
}
path = os.path.join(os.path.dirname(__file__), '..',
'templates',
'unsuccessful_payment.html')
return self.response.out.write(
template.render(path, template_values))
if parsed_qs['PAYMENTINFO_0_PAYMENTSTATUS'][0] != 'Completed':
logging.error("Unsuccessful DoExpressCheckoutPayment")
logging.error(parsed_qs)
template_values = {
'title':
'Error',
'details':
'Sorry, but there was an unexpected problem processing your payment.'
}
path = os.path.join(os.path.dirname(__file__), '..',
'templates',
'unsuccessful_payment.html')
return self.response.out.write(
template.render(path, template_values))
# Credit the user's account
user_info = memcache.get(self.request.get("sid"))
twitter_username = user_info['username']
product = Product.getProduct()
AppHandler.creditUserAccount(twitter_username,
product['quantity'])
template_values = {
'title': 'Successful Payment',
'quantity': product['quantity'],
'units': product['units']
}
path = os.path.join(os.path.dirname(__file__), '..',
'templates', 'successful_payment.html')
self.response.out.write(template.render(path, template_values))
else:
logging.error("Invalid/expired session in /do_ec_payment")
template_values = {
'title': 'Session Expired',
}
path = os.path.join(os.path.dirname(__file__), '..',
'templates', 'session_expired.html')
self.response.out.write(template.render(path, template_values))
elif mode == "cancel_ec":
template_values = {
'title': 'Cancel Purchase',
}
path = os.path.join(os.path.dirname(__file__), '..', 'templates',
'cancel_purchase.html')
self.response.out.write(template.render(path, template_values))
def get(self, mode=""):
if mode == "get_ec_details":
response = EC.get_express_checkout_details(
self.request.get("token"))
if response.status_code != 200:
logging.error("Failure for GetExpressCheckoutDetails")
template_values = {
'title': 'Error',
'operation': 'GetExpressCheckoutDetails'
}
path = os.path.join(os.path.dirname(__file__), '..',
'templates', 'unknown_error.html')
return self.response.out.write(
template.render(path, template_values))
product = Product.getProduct()
parsed_qs = cgi.parse_qs(response.content)
template_values = {
'title': 'Confirm Purchase',
'quantity': product['quantity'],
'units': product['units'],
'email': parsed_qs['EMAIL'][0],
'amount': parsed_qs['PAYMENTREQUEST_0_AMT'][0],
'query_string_params': self.request.query_string
}
path = os.path.join(os.path.dirname(__file__), '..', 'templates',
'confirm_purchase.html')
self.response.out.write(template.render(path, template_values))
elif mode == "do_ec_payment":
if memcache.get(
self.request.get("sid")
) is not None: # Without an account reference, we can't credit the purchase
payerid = self.request.get("PayerID")
product = Product.getProduct()
nvp_params = {
'PAYERID': payerid,
'PAYMENTREQUEST_0_AMT': str(product['price'])
}
response = EC.do_express_checkout_payment(
self.request.get("token"), nvp_params)
if response.status_code != 200:
logging.error("Failure for DoExpressCheckoutPayment")
template_values = {
'title': 'Error',
'operation': 'DoExpressCheckoutPayment'
}
path = os.path.join(os.path.dirname(__file__), '..',
'templates', 'unknown_error.html')
return self.response.out.write(
template.render(path, template_values))
# Ensure that the payment was successful
parsed_qs = cgi.parse_qs(response.content)
if parsed_qs['ACK'][0] != 'Success':
logging.error("Unsuccessful DoExpressCheckoutPayment")
template_values = {
'title': 'Error',
'details': parsed_qs['L_LONGMESSAGE0'][0]
}
path = os.path.join(os.path.dirname(__file__), '..',
'templates',
'unsuccessful_payment.html')
return self.response.out.write(
template.render(path, template_values))
if parsed_qs['PAYMENTINFO_0_PAYMENTSTATUS'][
0] != 'Completed': # Probably an eCheck
logging.error("Unsuccessful DoExpressCheckoutPayment")
logging.error(parsed_qs)
template_values = {
'title':
'Error',
'details':
'Sorry, eChecks are not accepted. Please send an instant payment.'
}
path = os.path.join(os.path.dirname(__file__), '..',
'templates',
'unsuccessful_payment.html')
return self.response.out.write(
template.render(path, template_values))
# Credit the user's account
user_info = memcache.get(self.request.get("sid"))
twitter_username = user_info['username']
product = Product.getProduct()
AppHandler.creditUserAccount(twitter_username,
product['quantity'])
template_values = {
'title': 'Successful Payment',
'quantity': product['quantity'],
'units': product['units']
}
path = os.path.join(os.path.dirname(__file__), '..',
'templates', 'successful_payment.html')
self.response.out.write(template.render(path, template_values))
else:
logging.error("Invalid/expired session in /do_ec_payment")
template_values = {
'title': 'Session Expired',
}
path = os.path.join(os.path.dirname(__file__), '..',
'templates', 'session_expired.html')
self.response.out.write(template.render(path, template_values))
elif mode == "cancel_ec":
template_values = {
'title': 'Cancel Purchase',
}
path = os.path.join(os.path.dirname(__file__), '..', 'templates',
'cancel_purchase.html')
self.response.out.write(template.render(path, template_values))
