76 lines
3.1 KiB
Python
76 lines
3.1 KiB
Python
# Part of Odoo. See LICENSE file for full copyright and licensing details.
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import hmac
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import logging
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import pprint
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from werkzeug.exceptions import Forbidden
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from odoo import http
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from odoo.exceptions import ValidationError
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from odoo.http import request
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_logger = logging.getLogger(__name__)
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class AsiaPayController(http.Controller):
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_return_url = '/payment/asiapay/return'
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_webhook_url = '/payment/asiapay/webhook'
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@http.route(_return_url, type='http', auth='public', methods=['GET'])
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def asiapay_return_from_checkout(self, **data):
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""" Process the notification data sent by AsiaPay after redirection.
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:param dict data: The notification data.
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"""
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# Don't process the notification data as they contain no valuable information except for the
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# reference and AsiaPay doesn't expose an endpoint to fetch the data from the API.
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return request.redirect('/payment/status')
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@http.route(_webhook_url, type='http', auth='public', methods=['POST'], csrf=False)
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def asiapay_webhook(self, **data):
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""" Process the notification data sent by AsiaPay to the webhook.
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:param dict data: The notification data.
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:return: The 'OK' string to acknowledge the notification.
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:rtype: str
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"""
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_logger.info("Notification received from AsiaPay with data:\n%s", pprint.pformat(data))
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try:
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# Check the integrity of the notification data.
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tx_sudo = request.env['payment.transaction'].sudo()._get_tx_from_notification_data(
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'asiapay', data
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)
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self._verify_notification_signature(data, tx_sudo)
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# Handle the notification data.
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tx_sudo._handle_notification_data('asiapay', data)
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except ValidationError: # Acknowledge the notification to avoid getting spammed.
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_logger.exception("Unable to handle the notification data; skipping to acknowledge.")
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return 'OK' # Acknowledge the notification.
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@staticmethod
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def _verify_notification_signature(notification_data, tx_sudo):
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""" Check that the received signature matches the expected one.
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:param dict notification_data: The notification data
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:param recordset tx_sudo: The sudoed transaction referenced by the notification data, as a
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`payment.transaction` record
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:return: None
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:raise: :class:`werkzeug.exceptions.Forbidden` if the signatures don't match
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"""
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received_signature = notification_data.get('secureHash')
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if not received_signature:
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_logger.warning("Received notification with missing signature.")
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raise Forbidden()
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# Compare the received signature with the expected signature computed from the data.
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expected_signature = tx_sudo.provider_id._asiapay_calculate_signature(
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notification_data, incoming=True
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)
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if not hmac.compare_digest(received_signature, expected_signature):
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_logger.warning("Received notification with invalid signature.")
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raise Forbidden()
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