flectra/addons/payment_buckaroo/models/payment.py

197 lines
8.0 KiB
Python

# coding: utf-8
from hashlib import sha1
import logging
from werkzeug import urls
from flectra import api, fields, models, _
from flectra.addons.payment.models.payment_acquirer import ValidationError
from flectra.addons.payment_buckaroo.controllers.main import BuckarooController
from flectra.tools.float_utils import float_compare
_logger = logging.getLogger(__name__)
def normalize_keys_upper(data):
"""Set all keys of a dictionnary to uppercase
Buckaroo parameters names are case insensitive
convert everything to upper case to be able to easily detected the presence
of a parameter by checking the uppercase key only
"""
return {key.upper(): val for key, val in data.items()}
class AcquirerBuckaroo(models.Model):
_inherit = 'payment.acquirer'
provider = fields.Selection(selection_add=[('buckaroo', 'Buckaroo')])
brq_websitekey = fields.Char('WebsiteKey', required_if_provider='buckaroo', groups='base.group_user')
brq_secretkey = fields.Char('SecretKey', required_if_provider='buckaroo', groups='base.group_user')
def _get_buckaroo_urls(self, environment):
""" Buckaroo URLs
"""
if environment == 'prod':
return {
'buckaroo_form_url': 'https://checkout.buckaroo.nl/html/',
}
else:
return {
'buckaroo_form_url': 'https://testcheckout.buckaroo.nl/html/',
}
def _buckaroo_generate_digital_sign(self, inout, values):
""" Generate the shasign for incoming or outgoing communications.
:param browse acquirer: the payment.acquirer browse record. It should
have a shakey in shaky out
:param string inout: 'in' (flectra contacting buckaroo) or 'out' (buckaroo
contacting flectra).
:param dict values: transaction values
:return string: shasign
"""
assert inout in ('in', 'out')
assert self.provider == 'buckaroo'
keys = "add_returndata Brq_amount Brq_culture Brq_currency Brq_invoicenumber Brq_return Brq_returncancel Brq_returnerror Brq_returnreject brq_test Brq_websitekey".split()
def get_value(key):
if values.get(key):
return values[key]
return ''
values = dict(values or {})
if inout == 'out':
for key in list(values):
# case insensitive keys
if key.upper() == 'BRQ_SIGNATURE':
del values[key]
break
items = sorted(values.items(), key=lambda pair: pair[0].lower())
sign = ''.join('%s=%s' % (k, urls.url_unquote_plus(v)) for k, v in items)
else:
sign = ''.join('%s=%s' % (k, get_value(k)) for k in keys)
# Add the pre-shared secret key at the end of the signature
sign = sign + self.brq_secretkey
shasign = sha1(sign.encode('utf-8')).hexdigest()
return shasign
@api.multi
def buckaroo_form_generate_values(self, values):
base_url = self.env['ir.config_parameter'].sudo().get_param('web.base.url')
buckaroo_tx_values = dict(values)
buckaroo_tx_values.update({
'Brq_websitekey': self.brq_websitekey,
'Brq_amount': values['amount'],
'Brq_currency': values['currency'] and values['currency'].name or '',
'Brq_invoicenumber': values['reference'],
'brq_test': False if self.environment == 'prod' else True,
'Brq_return': urls.url_join(base_url, BuckarooController._return_url),
'Brq_returncancel': urls.url_join(base_url, BuckarooController._cancel_url),
'Brq_returnerror': urls.url_join(base_url, BuckarooController._exception_url),
'Brq_returnreject': urls.url_join(base_url, BuckarooController._reject_url),
'Brq_culture': (values.get('partner_lang') or 'en_US').replace('_', '-'),
'add_returndata': buckaroo_tx_values.pop('return_url', '') or '',
})
buckaroo_tx_values['Brq_signature'] = self._buckaroo_generate_digital_sign('in', buckaroo_tx_values)
return buckaroo_tx_values
@api.multi
def buckaroo_get_form_action_url(self):
return self._get_buckaroo_urls(self.environment)['buckaroo_form_url']
class TxBuckaroo(models.Model):
_inherit = 'payment.transaction'
# buckaroo status
_buckaroo_valid_tx_status = [190]
_buckaroo_pending_tx_status = [790, 791, 792, 793]
_buckaroo_cancel_tx_status = [890, 891]
_buckaroo_error_tx_status = [490, 491, 492]
_buckaroo_reject_tx_status = [690]
# --------------------------------------------------
# FORM RELATED METHODS
# --------------------------------------------------
@api.model
def _buckaroo_form_get_tx_from_data(self, data):
""" Given a data dict coming from buckaroo, verify it and find the related
transaction record. """
origin_data = dict(data)
data = normalize_keys_upper(data)
reference, pay_id, shasign = data.get('BRQ_INVOICENUMBER'), data.get('BRQ_PAYMENT'), data.get('BRQ_SIGNATURE')
if not reference or not pay_id or not shasign:
error_msg = _('Buckaroo: received data with missing reference (%s) or pay_id (%s) or shasign (%s)') % (reference, pay_id, shasign)
_logger.info(error_msg)
raise ValidationError(error_msg)
tx = self.search([('reference', '=', reference)])
if not tx or len(tx) > 1:
error_msg = _('Buckaroo: received data for reference %s') % (reference)
if not tx:
error_msg += _('; no order found')
else:
error_msg += _('; multiple order found')
_logger.info(error_msg)
raise ValidationError(error_msg)
# verify shasign
shasign_check = tx.acquirer_id._buckaroo_generate_digital_sign('out', origin_data)
if shasign_check.upper() != shasign.upper():
error_msg = _('Buckaroo: invalid shasign, received %s, computed %s, for data %s') % (shasign, shasign_check, data)
_logger.info(error_msg)
raise ValidationError(error_msg)
return tx
def _buckaroo_form_get_invalid_parameters(self, data):
invalid_parameters = []
data = normalize_keys_upper(data)
if self.acquirer_reference and data.get('BRQ_TRANSACTIONS') != self.acquirer_reference:
invalid_parameters.append(('Transaction Id', data.get('BRQ_TRANSACTIONS'), self.acquirer_reference))
# check what is buyed
if float_compare(float(data.get('BRQ_AMOUNT', '0.0')), self.amount, 2) != 0:
invalid_parameters.append(('Amount', data.get('BRQ_AMOUNT'), '%.2f' % self.amount))
if data.get('BRQ_CURRENCY') != self.currency_id.name:
invalid_parameters.append(('Currency', data.get('BRQ_CURRENCY'), self.currency_id.name))
return invalid_parameters
def _buckaroo_form_validate(self, data):
data = normalize_keys_upper(data)
status_code = int(data.get('BRQ_STATUSCODE', '0'))
if status_code in self._buckaroo_valid_tx_status:
self.write({
'state': 'done',
'acquirer_reference': data.get('BRQ_TRANSACTIONS'),
})
return True
elif status_code in self._buckaroo_pending_tx_status:
self.write({
'state': 'pending',
'acquirer_reference': data.get('BRQ_TRANSACTIONS'),
})
return True
elif status_code in self._buckaroo_cancel_tx_status:
self.write({
'state': 'cancel',
'acquirer_reference': data.get('BRQ_TRANSACTIONS'),
})
return True
else:
error = 'Buckaroo: feedback error'
_logger.info(error)
self.write({
'state': 'error',
'state_message': error,
'acquirer_reference': data.get('BRQ_TRANSACTIONS'),
})
return False