96 lines
4.1 KiB
Python
96 lines
4.1 KiB
Python
# Part of Odoo. See LICENSE file for full copyright and licensing details.
|
|
|
|
import hmac
|
|
import logging
|
|
import pprint
|
|
|
|
from werkzeug.exceptions import Forbidden
|
|
|
|
from odoo import http
|
|
from odoo.exceptions import ValidationError
|
|
from odoo.http import request
|
|
|
|
|
|
_logger = logging.getLogger(__name__)
|
|
|
|
|
|
class APSController(http.Controller):
|
|
_return_url = '/payment/aps/return'
|
|
_webhook_url = '/payment/aps/webhook'
|
|
|
|
@http.route(
|
|
_return_url, type='http', auth='public', methods=['POST'], csrf=False, save_session=False
|
|
)
|
|
def aps_return_from_checkout(self, **data):
|
|
""" Process the notification data sent by APS after redirection.
|
|
|
|
The route is flagged with `save_session=False` to prevent Odoo from assigning a new session
|
|
to the user if they are redirected to this route with a POST request. Indeed, as the session
|
|
cookie is created without a `SameSite` attribute, some browsers that don't implement the
|
|
recommended default `SameSite=Lax` behavior will not include the cookie in the redirection
|
|
request from the payment provider to Odoo. As the redirection to the '/payment/status' page
|
|
will satisfy any specification of the `SameSite` attribute, the session of the user will be
|
|
retrieved and with it the transaction which will be immediately post-processed.
|
|
|
|
:param dict data: The notification data.
|
|
"""
|
|
_logger.info("Handling redirection from APS with data:\n%s", pprint.pformat(data))
|
|
|
|
# Check the integrity of the notification.
|
|
tx_sudo = request.env['payment.transaction'].sudo()._get_tx_from_notification_data(
|
|
'aps', data
|
|
)
|
|
self._verify_notification_signature(data, tx_sudo)
|
|
|
|
# Handle the notification data.
|
|
tx_sudo._handle_notification_data('aps', data)
|
|
return request.redirect('/payment/status')
|
|
|
|
@http.route(_webhook_url, type='http', auth='public', methods=['POST'], csrf=False)
|
|
def aps_webhook(self, **data):
|
|
""" Process the notification data sent by APS to the webhook.
|
|
|
|
See https://paymentservices-reference.payfort.com/docs/api/build/index.html#transaction-feedback.
|
|
|
|
:param dict data: The notification data.
|
|
:return: The 'SUCCESS' string to acknowledge the notification
|
|
:rtype: str
|
|
"""
|
|
_logger.info("Notification received from APS with data:\n%s", pprint.pformat(data))
|
|
try:
|
|
# Check the integrity of the notification.
|
|
tx_sudo = request.env['payment.transaction'].sudo()._get_tx_from_notification_data(
|
|
'aps', data
|
|
)
|
|
self._verify_notification_signature(data, tx_sudo)
|
|
|
|
# Handle the notification data.
|
|
tx_sudo._handle_notification_data('aps', data)
|
|
except ValidationError: # Acknowledge the notification to avoid getting spammed.
|
|
_logger.exception("Unable to handle the notification data; skipping to acknowledge.")
|
|
|
|
return '' # Acknowledge the notification.
|
|
|
|
@staticmethod
|
|
def _verify_notification_signature(notification_data, tx_sudo):
|
|
""" Check that the received signature matches the expected one.
|
|
|
|
:param dict notification_data: The notification data
|
|
:param recordset tx_sudo: The sudoed transaction referenced by the notification data, as a
|
|
`payment.transaction` record
|
|
:return: None
|
|
:raise: :class:`werkzeug.exceptions.Forbidden` if the signatures don't match
|
|
"""
|
|
received_signature = notification_data.get('signature')
|
|
if not received_signature:
|
|
_logger.warning("received notification with missing signature")
|
|
raise Forbidden()
|
|
|
|
# Compare the received signature with the expected signature computed from the data.
|
|
expected_signature = tx_sudo.provider_id._aps_calculate_signature(
|
|
notification_data, incoming=True
|
|
)
|
|
if not hmac.compare_digest(received_signature, expected_signature):
|
|
_logger.warning("received notification with invalid signature")
|
|
raise Forbidden()
|