flectra/addons/payment_adyen/models/payment.py

243 lines
11 KiB
Python

# coding: utf-8
import base64
import json
import binascii
from collections import OrderedDict
import hashlib
import hmac
import logging
from itertools import chain
from werkzeug import urls
from flectra import api, fields, models, tools, _
from flectra.addons.payment.models.payment_acquirer import ValidationError
from flectra.addons.payment_adyen.controllers.main import AdyenController
_logger = logging.getLogger(__name__)
class AcquirerAdyen(models.Model):
_inherit = 'payment.acquirer'
provider = fields.Selection(selection_add=[('adyen', 'Adyen')])
adyen_merchant_account = fields.Char('Merchant Account', required_if_provider='adyen', groups='base.group_user')
adyen_skin_code = fields.Char('Skin Code', required_if_provider='adyen', groups='base.group_user')
adyen_skin_hmac_key = fields.Char('Skin HMAC Key', required_if_provider='adyen', groups='base.group_user')
@api.model
def _get_adyen_urls(self, environment):
""" Adyen URLs: yhpp: hosted payment page: pay.shtml for single, select.shtml for multiple """
return {
'adyen_form_url': 'https://%s.adyen.com/hpp/pay.shtml' % ('live' if environment == 'prod' else environment),
}
@api.multi
def _adyen_generate_merchant_sig_sha256(self, inout, values):
""" Generate the shasign for incoming or outgoing communications., when using the SHA-256
signature.
:param string inout: 'in' (flectra contacting ogone) or 'out' (adyen
contacting flectra). In this last case only some
fields should be contained (see e-Commerce basic)
:param dict values: transaction values
:return string: shasign
"""
def escapeVal(val):
return val.replace('\\', '\\\\').replace(':', '\\:')
def signParams(parms):
signing_string = ':'.join(
escapeVal(v)
for v in chain(parms.keys(), parms.values())
)
hm = hmac.new(hmac_key, signing_string.encode('utf-8'), hashlib.sha256)
return base64.b64encode(hm.digest())
assert inout in ('in', 'out')
assert self.provider == 'adyen'
if inout == 'in':
# All the fields sent to Adyen must be included in the signature. ALL the fucking
# fields, despite what is claimed in the documentation. For example, in
# https://docs.adyen.com/developers/hpp-manual, it is stated: "The resURL parameter does
# not need to be included in the signature." It's a trap, it must be included as well!
keys = [
'merchantReference', 'paymentAmount', 'currencyCode', 'shipBeforeDate', 'skinCode',
'merchantAccount', 'sessionValidity', 'merchantReturnData', 'shopperEmail',
'shopperReference', 'allowedMethods', 'blockedMethods', 'offset',
'shopperStatement', 'recurringContract', 'billingAddressType',
'deliveryAddressType', 'brandCode', 'countryCode', 'shopperLocale', 'orderData',
'offerEmail', 'resURL',
]
else:
keys = [
'authResult', 'merchantReference', 'merchantReturnData', 'paymentMethod',
'pspReference', 'shopperLocale', 'skinCode',
]
hmac_key = binascii.a2b_hex(self.adyen_skin_hmac_key.encode('ascii'))
raw_values = {k: values.get(k.encode('ascii'), '') for k in keys if k in values}
raw_values_ordered = OrderedDict(sorted(raw_values.items(), key=lambda t: t[0]))
return signParams(raw_values_ordered)
@api.multi
def _adyen_generate_merchant_sig(self, inout, values):
""" Generate the shasign for incoming or outgoing communications, when using the SHA-1
signature (deprecated by Adyen).
:param string inout: 'in' (flectra contacting ogone) or 'out' (adyen
contacting flectra). In this last case only some
fields should be contained (see e-Commerce basic)
:param dict values: transaction values
:return string: shasign
"""
assert inout in ('in', 'out')
assert self.provider == 'adyen'
if inout == 'in':
keys = "paymentAmount currencyCode shipBeforeDate merchantReference skinCode merchantAccount sessionValidity shopperEmail shopperReference recurringContract allowedMethods blockedMethods shopperStatement merchantReturnData billingAddressType deliveryAddressType offset".split()
else:
keys = "authResult pspReference merchantReference skinCode merchantReturnData".split()
def get_value(key):
if values.get(key):
return values[key]
return ''
sign = ''.join('%s' % get_value(k) for k in keys).encode('ascii')
key = self.adyen_skin_hmac_key.encode('ascii')
return base64.b64encode(hmac.new(key, sign, hashlib.sha1).digest())
@api.multi
def adyen_form_generate_values(self, values):
base_url = self.env['ir.config_parameter'].sudo().get_param('web.base.url')
if self.env.ref('base.module_website').state == 'installed':
base_url = "http://" + self.env['website'].get_current_website().domain
# tmp
import datetime
from dateutil import relativedelta
if self.provider == 'adyen' and len(self.adyen_skin_hmac_key) == 64:
tmp_date = datetime.datetime.today() + relativedelta.relativedelta(days=1)
values.update({
'merchantReference': values['reference'],
'paymentAmount': '%d' % int(tools.float_round(values['amount'], 2) * 100),
'currencyCode': values['currency'] and values['currency'].name or '',
'shipBeforeDate': tmp_date.strftime('%Y-%m-%d'),
'skinCode': self.adyen_skin_code,
'merchantAccount': self.adyen_merchant_account,
'shopperLocale': values.get('partner_lang', ''),
'sessionValidity': tmp_date.isoformat('T')[:19] + "Z",
'resURL': urls.url_join(base_url, AdyenController._return_url),
'merchantReturnData': json.dumps({'return_url': '%s' % values.pop('return_url')}) if values.get('return_url', '') else False,
'shopperEmail': values.get('partner_email', ''),
})
values['merchantSig'] = self._adyen_generate_merchant_sig_sha256('in', values)
else:
tmp_date = datetime.date.today() + relativedelta.relativedelta(days=1)
values.update({
'merchantReference': values['reference'],
'paymentAmount': '%d' % int(tools.float_round(values['amount'], 2) * 100),
'currencyCode': values['currency'] and values['currency'].name or '',
'shipBeforeDate': tmp_date,
'skinCode': self.adyen_skin_code,
'merchantAccount': self.adyen_merchant_account,
'shopperLocale': values.get('partner_lang'),
'sessionValidity': tmp_date,
'resURL': urls.url_join(base_url, AdyenController._return_url),
'merchantReturnData': json.dumps({'return_url': '%s' % values.pop('return_url')}) if values.get('return_url') else False,
'merchantSig': self._adyen_generate_merchant_sig('in', values),
})
return values
@api.multi
def adyen_get_form_action_url(self):
return self._get_adyen_urls(self.environment)['adyen_form_url']
class TxAdyen(models.Model):
_inherit = 'payment.transaction'
# --------------------------------------------------
# FORM RELATED METHODS
# --------------------------------------------------
@api.model
def _adyen_form_get_tx_from_data(self, data):
reference, pspReference = data.get('merchantReference'), data.get('pspReference')
if not reference or not pspReference:
error_msg = _('Adyen: received data with missing reference (%s) or missing pspReference (%s)') % (reference, pspReference)
_logger.info(error_msg)
raise ValidationError(error_msg)
# find tx -> @TDENOTE use pspReference ?
tx = self.env['payment.transaction'].search([('reference', '=', reference)])
if not tx or len(tx) > 1:
error_msg = _('Adyen: 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
if len(tx.acquirer_id.adyen_skin_hmac_key) == 64:
shasign_check = tx.acquirer_id._adyen_generate_merchant_sig_sha256('out', data)
else:
shasign_check = tx.acquirer_id._adyen_generate_merchant_sig('out', data)
if shasign_check != data.get('merchantSig'):
error_msg = _('Adyen: invalid merchantSig, received %s, computed %s') % (data.get('merchantSig'), shasign_check)
_logger.warning(error_msg)
raise ValidationError(error_msg)
return tx
def _adyen_form_get_invalid_parameters(self, data):
invalid_parameters = []
# reference at acquirer: pspReference
if self.acquirer_reference and data.get('pspReference') != self.acquirer_reference:
invalid_parameters.append(('pspReference', data.get('pspReference'), self.acquirer_reference))
# seller
if data.get('skinCode') != self.acquirer_id.adyen_skin_code:
invalid_parameters.append(('skinCode', data.get('skinCode'), self.acquirer_id.adyen_skin_code))
# result
if not data.get('authResult'):
invalid_parameters.append(('authResult', data.get('authResult'), 'something'))
return invalid_parameters
def _adyen_form_validate(self, data):
status = data.get('authResult', 'PENDING')
if status == 'AUTHORISED':
self.write({
'state': 'done',
'acquirer_reference': data.get('pspReference'),
# 'date_validate': data.get('payment_date', fields.datetime.now()),
# 'paypal_txn_type': data.get('express_checkout')
})
return True
elif status == 'PENDING':
self.write({
'state': 'pending',
'acquirer_reference': data.get('pspReference'),
})
return True
else:
error = _('Adyen: feedback error')
_logger.info(error)
self.write({
'state': 'error',
'state_message': error
})
return False