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# -*- coding: utf-8 -*-
##############################################################################
#
# ebicspy, EBICS protocol library
# Copyright (C) 2013-2014 Aurélien DUMAINE (aurelien.dumaine@free.fr).
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################
import zlib
import binascii
import os
from httpsEngine import *
from tools import *
from Crypto.PublicKey import RSA
from crypto_tools import *
def hia_exchange(partner, bank):
httpsEngine = HTTPSEngine(partner, bank)
hia_request_xml = hiaRequest(partner, bank)
hia_response = httpsEngine.send(hia_request_xml)
return check_hiaResponse(hia_response)
def hia_orderData(partner) :
authModulus = getattr(partner.getAuthPublicKey().key, 'n')
authExponent = getattr(partner.getAuthPublicKey().key, 'e')
# FIXME : French banks care only about the X509Note. So I don't know if the Modulus and PublicExponent are right encoded...
# FIXME : why can't we use the same function to encode Modulus and Exponent ?
authModulus_base64 = binascii.unhexlify(str(hex(authModulus))[2:-1]).encode('base64')
authExponent_base64 = str(pack_bigint(authExponent)).encode('base64')
encryptModulus = getattr(partner.getEncryptPublicKey().key, 'n')
encryptExponent = getattr(partner.getEncryptPublicKey().key, 'e')
# FIXME : French banks care only about the X509Note. So I don't know if the Modulus and PublicExponent are right encoded...
# FIXME : why can't we use the same function to encode Modulus and Exponent ?
encryptModulus_base64 = binascii.unhexlify(str(hex(encryptModulus))[2:-1]).encode('base64')
encryptExponent_base64 = str(pack_bigint(encryptExponent)).encode('base64')
print "############################"
print long(binascii.hexlify(authModulus_base64.decode('base64')), 16) == authModulus
print long(binascii.hexlify(authExponent_base64.decode('base64')), 16) == authExponent
print long(binascii.hexlify(encryptModulus_base64.decode('base64')), 16) == encryptModulus
print long(binascii.hexlify(encryptExponent_base64.decode('base64')), 16) == encryptExponent
print "############################"
res = '<?xml version="1.0" encoding="UTF-8"?>\n'
res +='<HIARequestOrderData xmlns="http://www.ebics.org/'+EBICS_VERSION+'" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xsi:schemaLocation="http://www.ebics.org/'+EBICS_VERSION+' http://www.ebics.org/'+EBICS_VERSION+'/ebics_orders.xsd">\n'
res +=' <AuthenticationPubKeyInfo>\n'
if partner.getAuthCertificate() != None:
res += ' <ds:X509Data>\n'
res += ' <ds:X509IssuerSerial>\n'
# TODO : read the CN in the certificate
res += ' <ds:X509IssuerName>'+'CN=ebicspy'+'</ds:X509IssuerName>\n'
res += ' <ds:X509SerialNumber>'+'01'+'</ds:X509SerialNumber>\n'
res += ' </ds:X509IssuerSerial>\n'
# TODO : good format ?
res += ' <ds:X509Certificate>'+partner.getAuthCertificate()+'</ds:X509Certificate>\n'
res += ' </ds:X509Data>\n'
res += ' <PubKeyValue>\n'
res += ' <ds:RSAKeyValue>\n'
res += ' <ds:Modulus>'+authModulus_base64+'</ds:Modulus>\n'
res += ' <ds:Exponent>'+authExponent_base64+'</ds:Exponent>\n'
res += ' </ds:RSAKeyValue>\n'
res += ' </PubKeyValue>\n'
res += ' <AuthenticationVersion>X002</AuthenticationVersion>\n'
res += ' </AuthenticationPubKeyInfo>\n'
res += ' <EncryptionPubKeyInfo>\n'
if partner.getEncryptCertificate() != None:
res += ' <ds:X509Data>\n'
res += ' <ds:X509IssuerSerial>\n'
# TODO : read the CN in the certificate
res += ' <ds:X509IssuerName>'+'CN=ebicspy'+'</ds:X509IssuerName>\n'
res += ' <ds:X509SerialNumber>'+'01'+'</ds:X509SerialNumber>\n'
res += ' </ds:X509IssuerSerial>\n'
# TODO : good format ?
res += ' <ds:X509Certificate>'+partner.getEncryptCertificate()+'</ds:X509Certificate>\n'
res += ' </ds:X509Data>\n'
res += ' <PubKeyValue>\n'
res += ' <ds:RSAKeyValue>\n'
res += ' <ds:Modulus>'+encryptModulus_base64+'</ds:Modulus>\n'
res += ' <ds:Exponent>'+encryptExponent_base64+'</ds:Exponent>\n'
res += ' </ds:RSAKeyValue>\n'
res += ' </PubKeyValue>\n'
res += ' <EncryptionVersion>E002</EncryptionVersion>\n'
res += ' </EncryptionPubKeyInfo>\n'
res += ' <PartnerID>'+partner.getPartnerId()+'</PartnerID>\n'
res += ' <UserID>'+partner.getUserId()+'</UserID>\n'
res += '</HIARequestOrderData>'
validateXML(res)
return res
def hiaRequest(partner, bank) :
res = '<?xml version="1.0" encoding="UTF-8"?>\n'
res += '<ebicsUnsecuredRequest xmlns="http://www.ebics.org/'+EBICS_VERSION+'" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" Revision="'+EBICS_REVISION+'" Version="'+EBICS_VERSION+'" xsi:schemaLocation="http://www.ebics.org/'+EBICS_VERSION+' http://www.ebics.org/'+EBICS_VERSION+'/ebics_keymgmt_request.xsd">\n'
res += ' <header authenticate="true">\n'
res += ' <static>\n'
res += ' <HostID>'+bank.getHostId()+'</HostID>\n'
res += ' <PartnerID>'+partner.getPartnerId()+'</PartnerID>\n'
res += ' <UserID>'+partner.getUserId()+'</UserID>\n'
res += ' <OrderDetails>\n'
res += ' <OrderType>HIA</OrderType>\n'
if EBICS_VERSION == 'H003':
res += ' <OrderID>A00A</OrderID>\n'
res += ' <OrderAttribute>DZNNN</OrderAttribute>\n'
res += ' </OrderDetails>\n'
res += ' <SecurityMedium>0000</SecurityMedium>\n'
res += ' </static>\n'
res += ' <mutable/>\n'
res += ' </header>\n'
res += ' <body>\n'
res += ' <DataTransfer>\n'
res += ' <OrderData>'+zlib.compress(hia_orderData(partner), 9).encode('base64')+'</OrderData>\n'
res += ' </DataTransfer>\n'
res += ' </body>\n'
res += '</ebicsUnsecuredRequest>'
validateXML(res)
return res
def check_hiaResponse(response):
if response.find('<ReturnCode>000000</ReturnCode>') == -1:
return False
return True
# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4
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