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se cambian parametros a DianXMLExtensionSigner

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facho/cli.py: generate permite firmar directamente

FossilOrigin-Name: 23efe2dc5ae9df524963c927c5b461882f864008efbf25fd8677772ac8431cb1
This commit is contained in:
bit4bit@riseup.net
2020-09-20 01:30:20 +00:00
parent 86a9364c69
commit a917258cee
2 changed files with 40 additions and 17 deletions
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50
facho/fe/fe.py
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@@ -2,6 +2,7 @@
# this repository contains the full copyright notices and license terms.
from ..facho import FachoXML, FachoXMLExtension, LXMLBuilder
import uuid
import xmlsig
import xades
from datetime import datetime
@@ -178,7 +179,7 @@ class DianXMLExtensionSoftwareSecurityCode(FachoXMLExtension):
class DianXMLExtensionSigner(FachoXMLExtension):
# RESOLUCION 0001: pagina 516
POLICY_ID = 'https://facturaelectronica.dian.gov.co/politicadefirma/v2/politicadefirmav2.pdf'
POLICY_NAME = 'Dian'
POLICY_NAME = u'Política de firma para facturas electrónicas de la República de Colombia.'
def __init__(self, pkcs12_path, passphrase=None):
self._pkcs12_path = pkcs12_path
@@ -192,20 +193,34 @@ class DianXMLExtensionSigner(FachoXMLExtension):
def sign_xml_string(self, document):
xml = LXMLBuilder.from_string(document)
signature = self.sign_xml_element(xml)
fachoxml = FachoXML(xml,nsmap=NAMESPACES)
#DIAN 1.7.-2020: FAB01
ublextension = fachoxml.fragment('/fe:Invoice/ext:UBLExtensions/ext:UBLExtension', append=True)
extcontent = ublextension.find_or_create_element('/ext:UBLExtension/ext:ExtensionContent')
fachoxml.append_element(extcontent, signature)
return fachoxml.tostring()
def sign_xml_element(self, xml):
signature = xmlsig.template.create(
xmlsig.constants.TransformInclC14N,
xmlsig.constants.TransformRsaSha256,
"Signature",
)
id_uuid = str(uuid.uuid4())
ref = xmlsig.template.add_reference(
signature, xmlsig.constants.TransformSha256, uri="", name="R1"
signature, xmlsig.constants.TransformSha256, uri="", name="xmldsig-%s-ref0" % (id_uuid)
)
xmlsig.template.add_transform(ref, xmlsig.constants.TransformEnveloped)
id_keyinfo = "%s-KeyInfo" % (id_uuid)
xmlsig.template.add_reference(
signature, xmlsig.constants.TransformSha256, uri="#KI", name="RKI"
signature, xmlsig.constants.TransformSha256, uri="#%s" % (id_keyinfo),
)
ki = xmlsig.template.ensure_key_info(signature, name="KI")
ki = xmlsig.template.ensure_key_info(signature, name=id_keyinfo)
data = xmlsig.template.add_x509_data(ki)
xmlsig.template.x509_data_add_certificate(data)
serial = xmlsig.template.x509_data_add_issuer_serial(data)
@@ -216,12 +231,20 @@ class DianXMLExtensionSigner(FachoXMLExtension):
xmlsig.template.add_key_value(ki)
qualifying = xades.template.create_qualifying_properties(signature)
xades.utils.ensure_id(qualifying)
xades.utils.ensure_id(qualifying)
# TODO assert with http://www.sic.gov.co/hora-legal-colombiana
id_props = "xmldsig-%s-signedprops" % (id_uuid)
props = xades.template.create_signed_properties(qualifying, datetime=datetime.now())
props.set('Id', id_props)
xades.template.add_claimed_role(props, "supplier")
props_ref = xmlsig.template.add_reference(
props, xmlsig.constants.TransformSha256, uri="#%s" % (id_props),
)
props_ref.set('Type', "http://uri.etsi.org/01903#SignedProperties")
xmlsig.template.add_transform(props_ref, xmlsig.constants.TransformEnveloped)
xml.append(signature)
policy = xades.policy.GenericPolicyId(
@@ -236,21 +259,16 @@ class DianXMLExtensionSigner(FachoXMLExtension):
ctx.verify(signature)
#xmlsig take parent root
xml.remove(signature)
fachoxml = FachoXML(xml,nsmap=NAMESPACES)
return signature
# return (xpath, xml.Element)
def build(self, fachoxml):
signature = self.sign_xml_element(fachoxml.root)
#DIAN 1.7.-2020: FAB01
ublextension = fachoxml.fragment('/fe:Invoice/ext:UBLExtensions/ext:UBLExtension', append=True)
extcontent = ublextension.find_or_create_element('/ext:UBLExtension/ext:ExtensionContent')
fachoxml.append_element(extcontent, signature)
return fachoxml.tostring()
# return (xpath, xml.Element)
def build(self, fachoxml):
xmlsigned = self.sign_xml_string(fachoxml.tostring())
xml = LXMLBuilder.from_string(xmlsigned)
fachoxml.root = xml
return fachoxml
class DianXMLExtensionAuthorizationProvider(FachoXMLExtension):
# RESOLUCION 0004: pagina 176