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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 re
import zlib
import uuid
import binascii
import os
import hashlib
import array
from httpsEngine import *
from Crypto.Hash import SHA256
from Crypto.Signature import PKCS1_v1_5
from tools import *
from crypto_tools import *
from Crypto.PublicKey import RSA
from Crypto.Cipher import AES
from readOrderDataResponse import *
import StringIO
from base64 import b64encode, b64decode
def fileDownload_to_fileSystem(partner, bank, destination_path, start_date=None, end_date=None, fdl_type='camt.xxx.cfonb120.stm'):
file_content = fileDownload(partner, bank , start_date, end_date, fdl_type)
f = open(join(destination_path, str(uuid.uuid1())) , "w")
f.write(file_content)
f.close()
def fileDownload(partner, bank, start_date=None, end_date=None, fdl_type='camt.xxx.cfonb120.stm'):
httpsEngine = HTTPSEngine(partner, bank)
fdl_initRequest_xml = fdl_initResquest(partner, bank, fdl_type, start_date, end_date)
fdl_initResponse = httpsEngine.send(fdl_initRequest_xml)
transactionId, segment_number, numSegments, sent_file_signature, encryptedTransactionKey, segment, encryptionPubKeyDigest, hostId = read_fdl_initResponse(fdl_initResponse, bank)
segment_list = []
segment_list.append(segment)
aes_key = decrypt_aes_key(encryptedTransactionKey, partner)
if transactionId != False :
# fdl_ini_response is always the first download segment
# the first segement sent by fdl_transferRequest is number 2
# TODO : check that the first was the fdl_iniResponse segmentNumber(it's odd, that's not the same upload logic)
while (segment_number < numSegments) :
fdl_transferRequest_xml = fdl_transferResquest(partner, bank, transactionId, segment_number)
fdl_transferResponse = httpsEngine.send(fdl_transferRequest_xml)
check, last_segment, segment = read_fdl_transfertResponse(fdl_transfertResponse, transactionId, segment_number, bank)
if check == True:
segment_list.append(segment)
segment_number =+ 1
# TODO : should we test last_segment and exit if True ? => redondance with the while condition
file_signature = None
check, file_content = gather_decode_decrypt_decompress(segment_list, file_signature, bank, aes_key)
if check != True :
print " ================= ERROR WHILE SIGNATURE VERIFICATION ================="
#TODO : ckeck aknowledgement
fdl_acknowledgementRequest_xml = fdl_acknowledgementRequest(partner, bank, transactionId, 0)
fdl_acknoledgementResponse = httpsEngine.send(fdl_acknowledgementRequest_xml)
#check = read_fdl_acknowledgementResponse(fdl_transfertResponse) # renvoyer l'acknoledgement tant que ckeck est != True ? => NON !
return file_content
def fdl_initResquest(partner, bank, fdl_type, start_date=None, end_date=None):
nonce = binascii.hexlify(os.urandom(16)).upper()
time_value = get_timestamp()
bank_auth_hash = bank.getKeyHash(bank.getAuthKey())
bank_encrypt_hash = bank.getKeyHash(bank.getEncryptKey())
fdl_type = "pain.xxx.cfonb160.dct"
#TODO : FDL doesn't have any date range ? (to get all cash operations in a specific period)
#FIXME : OrderAttribute OHZNN or DHZNN or DZNNN ? ==>> make encryption arrangements
res = '<?xml version="1.0" encoding="UTF-8"?>\n'
# res += '<ebicsRequest xmlns="http://www.ebics.org/'+EBICS_VERSION+'" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" Revision="'+EBICS_REVISION+'" Version="'+EBICS_VERSION+'">\n'
res += '<ebicsRequest Revision="1" Version="H003" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns="http://www.ebics.org/H003">\n'
res += ' <header authenticate="true">\n'
res += ' <static>\n'
res += ' <HostID>'+bank.getHostId()+'</HostID>\n'
res += ' <Nonce>'+nonce+'</Nonce>\n'
res += ' <Timestamp>'+time_value+'</Timestamp>\n'
res += ' <PartnerID>'+partner.getPartnerId()+'</PartnerID>\n'
res += ' <UserID>'+partner.getUserId()+'</UserID>\n'
res += ' <Product Language="fr">'+PRODUCT_VERSION+'</Product>\n'
res += ' <OrderDetails>\n'
res += ' <OrderType>FDL</OrderType>\n'
# res += ' <OrderID>B00L</OrderID>\n'
#FIXME : orderAttribute = OZHNN if we are using EBICS TS French profile
res += ' <OrderAttribute>DZHNN</OrderAttribute>\n'
# res += ' <StandardOrderParams/>\n'
# res += ' <FDLOrderParams xmlns:h003="http://www.ebics.org/'+EBICS_VERSION+'" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="h003:FDLOrderParamsType">\n'
res += ' <FDLOrderParams xsi:type="h003:FDLOrderParamsType" xmlns:h003="http://www.ebics.org/H003" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">\n'
if start_date!=None and end_date!=None:
res += ' <DateRange>\n'
res += ' <Start>'+start_date+'</Start>\n'
res += ' <End>'+end_date+'</End>\n'
res += ' <DateRange>\n'
res += ' <FileFormat CountryCode="FR">'+fdl_type+'</FileFormat>\n'
res += ' </FDLOrderParams>\n'
res += ' </OrderDetails>\n'
res += ' <BankPubKeyDigests>\n'
res += ' <Authentication Version="X002" Algorithm="http://www.w3.org/2001/04/xmlenc#sha256">'+bank_auth_hash+'</Authentication>\n'
res += ' <Encryption Version="E002" Algorithm="http://www.w3.org/2001/04/xmlenc#sha256">'+bank_encrypt_hash+'</Encryption>\n'
res += ' </BankPubKeyDigests>\n'
res += ' <SecurityMedium>0000</SecurityMedium>\n'
res += ' </static>\n'
res += ' <mutable>\n'
res += ' <TransactionPhase>Initialisation</TransactionPhase>\n'
res += ' </mutable>\n'
res += ' </header>\n'
res += ' <AuthSignature/>\n'
res += ' <body />\n'
res += '</ebicsRequest>'
auth_signature = get_AuthSignature_node(partner.getAuthPrivateKey(), res)
res = res.replace(' <AuthSignature/>', auth_signature)
res = res.replace('<ds:SignedInfo xmlns="http://www.ebics.org/H003" xmlns:ds="http://www.w3.org/2000/09/xmldsig#">', '<ds:SignedInfo>')
print "EMIS éééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééé"
check_AuthSignature_node(res, partner)
print "éééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééé"
return res
def read_fdl_initResponse(response, bank):
print "éééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééé"
check_AuthSignature_node(response, bank)
print "éééééééééééééééééééééééééééééééééééééééééééééééééééééééééééééé"
if check_orderDataResponse(response) == False:
return False
#if chech_xml_AuthSignature == False :
# return False
response = re.sub('xmlns="[^"]+"', '', response)
response = re.sub('ds:', '', response) #FIXME : peut-il y avoir cette séquence dans une chaine Base64 ?
response = re.sub('xmlns="http://www.ebics.org/H003"', '', response)
#check OrderId
root = etree.fromstring(response)
transactionId = root.xpath("//header/static/TransactionID/text()")[0]
#FIXME: if [EBICS_OK] No download data available then noNumSegment leaf
numSegments = root.xpath("//header/static/NumSegments/text()")[0]
segment_number_response = root.xpath("//header/mutable/SegmentNumber/text()")[0]
if int(segment_number_response) != 1:
# fdl_ini_response is always the first download segment
return False
#TODO : bank's orderData signature is not compulsory ?
sent_file_signature = None
encryptedTransactionKey = root.xpath("//body/DataTransfer/DataEncryptionInfo/TransactionKey/text()")[0]
first_segment = root.xpath("//body/DataTransfer/OrderData/text()")[0]
encryptionPubKeyDigest = root.xpath("//body/DataTransfer/DataEncryptionInfo/EncryptionPubKeyDigest/text()")[0]
hostId = root.xpath("//body/DataTransfer/DataEncryptionInfo/EncryptionPubKeyDigest/text()")[0]
return transactionId, segment_number_response, numSegments, sent_file_signature, encryptedTransactionKey, first_segment, encryptionPubKeyDigest, hostId
def fdl_transfertResquest(partner, bank, transactionId, segment_number):
res = '<?xml version="1.0" encoding="UTF-8"?>\n'
# res += '<ebicsRequest Revision="'+EBICS_REVISION+'" Version="'+EBICS_VERSION+'" xsi:schemaLocation="http://www.ebics.org/'+EBICS_VERSION+' http://www.ebics.org/'+EBICS_VERSION+'/ebics_request.xsd" 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#">\n'
res += '<ebicsRequest xmlns="http://www.ebics.org/H003" Revision="1" Version="H003">\n'
res += ' <header xmlns="http://www.ebics.org/H003" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" authenticate="true">'
# res += ' <header authenticate="true">\n'
res += ' <static>\n'
res += ' <HostID>'+bank.getHostId()+'</HostID>\n'
res += ' <TransactionID>'+transactionId+'</TransactionID>\n'
res += ' </static>\n'
res += ' <mutable>\n'
res += ' <TransactionPhase>Transfert</TransactionPhase>\n'
res += ' </mutable>\n'
res += ' </header>'
res += ' <AuthSignature/>\n'
res += ' <body/>\n'
res += '</ebicsRequest>'
auth_signature = get_AuthSignature_node(partner, res)
res = res.replace('<AuthSignature/>', auth_signature)
res = res.replace('<ebicsRequest xmlns="http://www.ebics.org/H003" Revision="1" Version="H003">', '<ebicsRequest xmlns="http://www.ebics.org/H003" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" Revision="1" Version="H003">')
validateXML(res)
return res
def read_fdl_transfertResponse(response, transactionId, segment_number, bank):
last_segment = False
response = re.sub('xmlns="[^"]+"', '', response)
response = re.sub('ds:', '', response) #FIXME : peut-il y avoir cette séquence dans une chaine Base64 ?
response = re.sub('xmlns="http://www.ebics.org/H003"', '', response)
if response.find('<SegmentNumber lastSegment="true">') != -1:
last_segment = True
root = etree.fromstring(response)
transactionId_responde = root.xpath("//header/static/TransactionID/text()")[0]
if transactionId_response != transactionID:
return False
segment_number_response = root.xpath("//header/mutable/SegmentNumber/text()")[0]
if segment_number_response != segment_number:
return False
#if chech_xml_AuthSignature == False:
# return False
return check, last_segment, content
def fdl_acknowledgementRequest(partner, bank, transactionId, receipt_code):
res = '<?xml version="1.0" encoding="UTF-8"?>\n'
#res += '<ebicsRequest Revision="'+EBICS_REVISION+'" Version="'+EBICS_VERSION+'" xsi:schemaLocation="http://www.ebics.org/'+EBICS_VERSION+' http://www.ebics.org/'+EBICS_VERSION+'/ebics_request.xsd" 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#">\n'
res += '<ebicsRequest xmlns="http://www.ebics.org/H003" Revision="1" Version="H003">\n'
#res += ' <header authenticate="true">\n'
res += ' <header xmlns="http://www.ebics.org/H003" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" authenticate="true">\n'
res += ' <static>\n'
res += ' <HostID>'+bank.getHostId()+'</HostID>\n'
res += ' <TransactionID>'+transactionId+'</TransactionID>\n'
res += ' </static>\n'
res += ' <mutable>\n'
res += ' <TransactionPhase>Receipt</TransactionPhase>\n'
res += ' </mutable>\n'
res += ' </header>\n'
res += ' <AuthSignature/>\n'
res += ' <body>\n'
res += ' <TransferReceipt xmlns="http://www.ebics.org/H003" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" authenticate="true">\n'
# res += ' <TransferReceipt authenticate="true">\n'
res += ' <ReceiptCode>'+str(receipt_code)+'</ReceiptCode>\n'
res += ' </TransferReceipt>\n'
res += ' </body>\n'
res += '</ebicsRequest>'
auth_signature = get_AuthSignature_node(partner.getAuthPrivateKey(), res)
res = res.replace('<AuthSignature/>', auth_signature)
res = res.replace('<ebicsRequest xmlns="http://www.ebics.org/H003" Revision="1" Version="H003">', '<ebicsRequest xmlns="http://www.ebics.org/H003" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" Revision="1" Version="H003">')
validateXML(res)
return res
def read_fdl_acknowledegmentResponse():
#TODO
print 'TODO'
# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4
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