290 lines
12 KiB
Python
290 lines
12 KiB
Python
# -*- coding: utf-8 -*-
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import datetime as dt
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import hashlib
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import logging
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import string
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import urlparse
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import urllib
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from decimal import Decimal
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from common import PaymentCommon, URL
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__all__ = ['Payment']
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PAYMENT_URL = "https://systempay.cyberpluspaiement.com/vads-payment/"
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LOGGER = logging.getLogger(__name__)
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SERVICE_URL = '???'
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VADS_TRANS_DATE = 'vads_trans_date'
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def isonow():
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return dt.datetime.now() \
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.isoformat('T') \
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.replace('-','') \
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.replace('T','') \
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.replace(':','')[:14]
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class Parameter:
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def __init__(self, name, ptype, code, max_length=None, length=None,
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needed=False, default=None, choices=None):
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self.name = name
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self.ptype = ptype
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self.code = code
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self.max_length = max_length
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self.length = length
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self.needed = needed
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self.default = default
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self.choices = choices
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def check_value(self, value):
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if self.length and len(str(value)) != self.length:
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return False
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if self.max_length and len(str(value)) > self.max_length:
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return False
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if self.choices and str(value) not in self.choices:
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return False
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if value == '':
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return True
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value = str(value).replace('.','')
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if self.ptype == 'n':
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return value.isdigit()
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elif self.ptype == 'an':
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return value.isalnum()
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elif self.ptype == 'an-':
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return value.replace('-','').isalnum()
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elif self.ptype == 'an;':
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return value.replace(';','').isalnum()
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elif self.ptype == 'an@':
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return value.replace('@','').isalnum()
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# elif self.ptype == 'ans':
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return True
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PARAMETERS = [
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# amount as euro cents
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Parameter('vads_action_mode', None, 47, needed=True,
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default='INTERACTIVE', choices=('SILENT','INTERACTIVE')),
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Parameter('vads_amount', 'n', 9, max_length=12, needed=True),
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Parameter('vads_capture_delay', 'n', 6, max_length=3, default=''),
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Parameter('vads_contrib', 'ans', 31, max_length=255, default='eopayment'),
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# defaut currency = EURO, norme ISO4217
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Parameter('vads_currency', 'n', 10, length=3, default=978, needed=True),
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Parameter('vads_cust_address', 'an', 19, max_length=255),
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# code ISO 3166
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Parameter('vads_cust_country', 'a', 22, length=2, default='FR'),
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Parameter('vads_cust_email', 'an@', 15, max_length=127),
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Parameter('vads_cust_id', 'an', 16, max_length=63),
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Parameter('vads_cust_name', 'an', 18, max_length=127),
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Parameter('vads_cust_phone', 'an', 23, max_length=63),
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Parameter('vads_cust_title', 'an', 17, max_length=63),
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Parameter('vads_cust_city', 'an', 21, max_length=63),
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Parameter('vads_cust_zip', 'an', 20, max_length=63),
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# must be TEST or PRODUCTION
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Parameter('vads_ctx_mode', 'a', 11, needed=True),
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# ISO 639 code
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Parameter('vads_language', 'a', 12, length=2, default='fr'),
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Parameter('vads_order_id', 'an-', 13, max_length=32),
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Parameter('vads_order_info', 'an', 14, max_length=255),
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Parameter('vads_order_info2', 'an', 14, max_length=255),
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Parameter('vads_order_info3', 'an', 14, max_length=255),
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Parameter('vads_page_action', None, 46, needed=True, default='PAYMENT',
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choices=('PAYMENT',)),
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Parameter('vads_payment_cards', 'an;', 8, max_length=127, default=''),
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# must be SINGLE or MULTI with parameters
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Parameter('vads_payment_config', '', 07, default='SINGLE',
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choices=('SINGLE','MULTI'), needed=True),
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Parameter('vads_return_mode', None, 48, default='NONE',
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choices=('','NONE','POST','GET')),
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Parameter('signature', 'an', None, length=40),
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Parameter('vads_site_id', 'n', 02, length=8, needed=True),
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Parameter('vads_theme_config', 'ans', 32, max_length=255),
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Parameter(VADS_TRANS_DATE, 'n', 04, length=14, needed=True,
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default=isonow),
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Parameter('vads_trans_id', 'n', 03, length=6, needed=True),
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Parameter('vads_validation_mode', 'n', 5, max_length=1, choices=('', 0, 1),
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default=''),
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Parameter('vads_version', 'an', 01, default='V2', needed=True,
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choices=('V2',)),
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Parameter('vads_url_success', 'ans', 24, max_length=127),
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Parameter('vads_url_referral', 'ans', 26, max_length=127),
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Parameter('vads_url_refused', 'ans', 25, max_length=127),
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Parameter('vads_url_cancel', 'ans', 27, max_length=127),
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Parameter('vads_url_error', 'ans', 29, max_length=127),
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Parameter('vads_url_return', 'ans', 28, max_length=127),
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Parameter('vads_user_info', 'ans', 61, max_length=255),
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Parameter('vads_contracts', 'ans', 62, max_length=255),
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]
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AUTH_RESULT_MAP = {
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'00': "transaction approuvée ou traitée avec succés",
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'02': "contacter l'émetteur de la carte",
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'03': "accepteur invalid",
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'04': "conserver la carte",
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'05': "ne pas honorer",
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'07': "conserver la carte, conditions spéciales",
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'08': "approuver aprés identification",
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'12': "transaction invalide",
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'13': "montant invalide",
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'14': "numéro de porteur invalide",
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'30': "erreur de format",
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'31': "identifiant de l'organisme acquéreur inconnu",
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'33': "date de validité de la carte dépassée",
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'34': "suspicion de fraude",
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'41': "carte perdue",
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'43': "carte volée",
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'51': "provision insuffisante",
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'54': "date de validité de la carte dépassée",
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'56': "carte absente du fichier",
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'57': "transaction non permise à ce porteur",
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'58': "transaction interdite au terminal",
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'59': "suspicion de fraude",
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'60': "l'accepteur de carte doit contacter l'acquéreur",
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'61': "montant de retrait hors limite",
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'63': "règles de sécurité non respectée",
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'68': "réponse non parvenu ou réçu trop tard",
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'90': "arrêt momentané du système",
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'91': "émetteur de carte inacessible",
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'96': "mauvais fonctionnement du système",
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'94': "transaction dupliquée",
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'97': "échéance de la temporisation de surveillance globale",
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'98': "serveur indisponible routage réseau demandé à nouveau",
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'99': "incident domain initiateur",
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}
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RESULT_MAP = {
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'00': 'paiement réalisé avec succés',
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'02': 'le commerçant doit contacter la banque du porteur',
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'05': 'paiement refusé',
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'17': 'annulation client',
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'30': 'erreur de format',
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'96': 'erreur technique lors du paiement'
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}
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EXTRA_RESULT_MAP = {
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'': "Pas de contrôle effectué",
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'00': "Tous les contrôles se sont déroulés avec succés",
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'02': "La carte a dépassé l'encours autorisé",
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'03': "La carte appartient à la liste grise du commerçant",
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'04': "Le pays d'émission de la carte appartient à la liste grise du \
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commerçant ou le pays d'émission de la carte n'appartient pas à la \
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liste blanche du commerçant",
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'05': "L'addresse IP appartient à la liste grise du commerçant",
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'99': "Problème technique recontré par le serveur lors du traitement \
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d'un des contrôles locaux",
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}
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def add_vads(kwargs):
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new_vargs={}
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for k, v in kwargs.iteritems():
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if k.startswith('vads_'):
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new_vargs[k] = v
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else:
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new_vargs['vads_'+k] = v
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return new_vargs
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class Payment(PaymentCommon):
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'''
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ex.: Payment(secrets={'TEST': 'xxx', 'PRODUCTION': 'yyyy'}, site_id=123,
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ctx_mode='PRODUCTION')
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'''
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def __init__(self, options):
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self.secrets = options.pop('secrets')
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options = add_vads(options)
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self.options = options
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def request(self, amount, email=None, next_url=None):
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'''
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Create a dictionary to send a payment request to systempay the
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Credit Card payment server of the NATIXIS group
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'''
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kwargs = add_vads({'amount': amount})
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if Decimal(kwargs['vads_amount']) < 0:
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raise TypeError('amount must be an integer >= 0')
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if email:
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kwargs['vads_cust_email'] = email
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if next_url:
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kwargs['vads_url_return'] = next_url
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transaction_id = self.transaction_id(6,
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string.digits, 'systempay', self.options['vads_site_id'])
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kwargs['vads_trans_id'] = transaction_id
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fields = kwargs
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for parameter in PARAMETERS:
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name = parameter.name
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# import default parameters from configuration
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if name not in fields \
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and name in self.options:
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fields[name] = self.options[name]
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# import default parameters from module
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if name not in fields and parameter.default is not None:
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if callable(parameter.default):
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fields[name] = parameter.default()
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else:
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fields[name] = parameter.default
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# raise error if needed parameters are absent
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if name not in fields and parameter.needed:
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raise ValueError('payment request is missing the %s parameter,\
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parameters received: %s' % (name, kwargs))
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if name in fields \
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and not parameter.check_value(fields[name]):
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raise TypeError('%s value %s is not of the type %s' % (
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name, fields[name],
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parameter.ptype))
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fields['signature'] = self.signature(fields)
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url = '%s?%s' % (SERVICE_URL, urllib.urlencode(fields))
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transaction_id = '%s_%s' % (fields[VADS_TRANS_DATE], transaction_id)
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return transaction_id, URL, fields
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def response(self, query_string):
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fields = urlparse.parse_qs(query_string)
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copy = fields.copy()
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if 'vads_auth_result' in fields:
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v = copy['vads_auth_result']
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ctx = (v, AUTH_RESULT_MAP.get(v, 'Code inconnu'))
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copy['vads_auth_result'] = '%s: %s' % ctx
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if 'vads_result' in copy:
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v = copy['vads_result']
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ctx = (v, RESULT_MAP.get(v, 'Code inconnu'))
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copy['vads_result'] = '%s: %s' % ctx
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if v == '30':
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if 'vads_extra_result' in fields:
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v = fields['vads_extra_result']
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if v.isdigit():
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for parameter in PARAMETERS:
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if int(v) == parameter.code:
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s ='erreur dans le champ %s' % parameter.name
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fields['vads_extra_result'] = s
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elif v in ('05', '00'):
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v = fields['vads_extra_result']
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fields['vads_extra_result'] = '%s: %s' % (v,
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EXTRA_RESULT_MAP.get(v, 'Code inconnu'))
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LOGGER.debug('checking systempay response on:')
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for key in sorted(fields.keys):
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LOGGER.debug(' %s: %s' % (key, copy[key]))
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signature = self.signature(fields)
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result = signature == fields['signature']
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LOGGER.debug('signature check result: %s' % result)
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transaction_id = '%s_%s' % (copy[VADS_TRANS_DATE], copy[VADS_TRANS_ID])
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return result, transaction_id, copy, None
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def signature(self, fields):
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LOGGER.debug('got fields %s to sign' % fields )
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ordered_keys = sorted([ key for key in fields.keys() if key.startswith('vads_') ])
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LOGGER.debug('ordered keys %s' % ordered_keys)
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ordered_fields = [ str(fields[key]) for key in ordered_keys ]
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secret = self.secrets[fields['vads_ctx_mode']]
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signed_data = '+'.join(ordered_fields)
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LOGGER.debug('generating signature on «%s»' % signed_data)
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sign = hashlib.sha1('%s+%s' % (signed_data, secret)).hexdigest()
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LOGGER.debug('signature «%s»' % sign)
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return sign
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if __name__ == '__main__':
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p = Payment(secrets={'TEST': '1234567890123456', 'PRODUCTION': 'yyy'}, site_id='00001234', ctx_mode='PRODUCTION')
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print p.request(amount=100, ctx_mode='TEST', site_id='12345678',
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trans_date='20090324122302', trans_id='122302',
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url_return='http://url.de.retour/retour.php')
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