63 lines
2.2 KiB
Python
63 lines
2.2 KiB
Python
# -*- coding: utf-8 -*-
|
||
|
||
import logging
|
||
import hashlib
|
||
import hmac
|
||
|
||
VARS = {
|
||
'PBX_SITE': 'Numéro de site (fourni par Paybox)',
|
||
'PBX_RANG': 'Numéro de rang (fourni par Paybox)',
|
||
'PBX_IDENTIFIANT': 'Identifiant interne (fourni par Paybox)',
|
||
'PBX_TOTAL': 'Montant total de la transaction',
|
||
'PBX_DEVISE': 'Devise de la transaction',
|
||
'PBX_CMD': 'Référence commande côté commerçant',
|
||
'PBX_PORTEUR': 'Adresse E - mail de l’acheteur',
|
||
'PBX_RETOUR': 'Liste des variables à retourner par Paybox',
|
||
'PBX_HASH': 'Type d’algorit hme de hachage pour le calcul de l’empreinte',
|
||
'PBX_TIME': 'Horodatage de la transaction',
|
||
'PBX_HMAC': 'Signature calculée avec la clé secrète',
|
||
}
|
||
|
||
ALGOS = {
|
||
'SHA512': hashlib.sha512,
|
||
'SHA256': hashlib.sha256,
|
||
'SHA384': hashlib.sha384,
|
||
'SHA224': hashlib.sha224,
|
||
}
|
||
|
||
def sign(data, key):
|
||
'''Take a list of tuple key, value and sign it by building a string to
|
||
sign.
|
||
'''
|
||
logger = logging.getLogger(__name__)
|
||
algo = None
|
||
logger.debug('signature key %r', key)
|
||
logger.debug('signed data %r', data)
|
||
for k, v in data:
|
||
if k == 'PBX_HASH' and v in ALGOS:
|
||
algo = ALGOS[v]
|
||
break
|
||
assert algo, 'Missing or invalid PBX_HASH'
|
||
tosign = ['%s=%s' % (k, v) for k, v in data]
|
||
tosign = '&'.join(tosign)
|
||
print tosign
|
||
logger.debug('signed string %r', tosign)
|
||
signature = hmac.new(key, tosign, algo)
|
||
return tuple(data) + (('PBX_HMAC', signature.hexdigest().upper()),)
|
||
|
||
if __name__ == '__main__':
|
||
key = '0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF'.decode('hex')
|
||
for k, v in sign([
|
||
['PBX_SITE', '1999888'],
|
||
['PBX_RANG', '32'],
|
||
['PBX_IDENTIFIANT', '110647233'],
|
||
['PBX_TOTAL', '999'],
|
||
['PBX_DEVISE', '978'],
|
||
['PBX_CMD', 'TEST Paybox'],
|
||
['PBX_PORTEUR', 'test@paybox.com'],
|
||
['PBX_RETOUR', 'Mt:M;Ref:R;Auto:A;Erreur:E'],
|
||
['PBX_HASH', 'SHA512'],
|
||
['PBX_TIME', '2015-06-08T16:21:16+02:00']],
|
||
key):
|
||
print k, v
|