Enviando o xml via requests e montando o cabeçalho soap manualmente

não tive sucesso usando suds

pytrustnfe/HttpClient.py

@@ -4,34 +4,28 @@ Created on Jun 16, 2015
 
 @author: danimar
 '''
-from httplib import HTTPSConnection
+import requests
 
 
 class HttpClient(object):
 
-    def __init__(self, url, chave_pem, certificado_pem):
+    def __init__(self, url, cert_path, key_path):
         self.url = url
-        self.chave_pem = chave_pem
-        self.certificado_pem = certificado_pem
+        self.cert_path = cert_path
+        self.key_path = key_path
 
     def _headers(self):
         return {
-                u'Content-type': u'application/soap+xml; charset=utf-8',
+                u'Content-type': u'application/soap+xml; charset=utf-8; action="http://www.portalfiscal.inf.br/nfe/wsdl/NfeAutorizacao/nfeAutorizacaoLote',
                 u'Accept': u'application/soap+xml; charset=utf-8'        
                 }
 
     def post_xml(self, post, xml):                
-
-        conexao = HTTPSConnection(self.url, '443', key_file=self.chave_pem,
-                                  cert_file=self.certificado_pem)
-
         try:
-            conexao.request(u'POST', post, xml, self._headers())
-            response = conexao.getresponse()
-            if response.status == 200:
-                return response.read()
-            return response.read()
+            url = 'https://nfe-homologacao.sefazrs.rs.gov.br/ws/NfeAutorizacao/NFeAutorizacao.asmx'
+            res = requests.post(url, data=xml, cert=(self.cert_path, self.key_path),
+                                verify=False, headers=self._headers())
+            return res.text            
         except Exception as e:
             print(str(e))
-        finally:
-            conexao.close()
+

pytrustnfe/servicos/assinatura.py

@@ -5,7 +5,7 @@ Created on Jun 14, 2015
 @author: danimar
 '''
 
-from signxml import xmldsig
+from signxml import XMLSigner
 from signxml import methods
 from lxml import etree
 from OpenSSL import crypto
@@ -36,14 +36,13 @@ def assinar(xml, cert, key, reference):
             parent.remove(elem)
 
     # element = xml.find('{' + xml.nsmap[None] + '}NFe')
-    signer = xmldsig(xml, digest_algorithm=u'sha1')
+    signer = XMLSigner(digest_algorithm=u'sha1',signature_algorithm="rsa-sha1", 
+                       method=methods.enveloped,
+                       c14n_algorithm='http://www.w3.org/TR/2001/REC-xml-c14n-20010315')
     ns = {}
     ns[None] = signer.namespaces['ds']
     signer.namespaces = ns
-    signed_root = signer.sign(
-        key=str(key), cert=cert, reference_uri=reference,
-        algorithm="rsa-sha1", method=methods.enveloped,
-        c14n_algorithm='http://www.w3.org/TR/2001/REC-xml-c14n-20010315')
+    signed_root = signer.sign(xml, key=str(key), cert=cert, reference_uri=reference)
 
-    xmldsig(signed_root, digest_algorithm=u'sha1').verify(x509_cert=cert)
+    # XMLSigner(signed_root, digest_algorithm=u'sha1').verify(x509_cert=cert)
     return etree.tostring(signed_root)

pytrustnfe/servicos/comunicacao.py

@@ -13,7 +13,7 @@ from uuid import uuid4
 from pytrustnfe.HttpClient import HttpClient
 from pytrustnfe.Certificado import converte_pfx_pem
 
-from xml.dom.minidom import parseString
+from ..xml import sanitize_response
 
 common_namespaces = {'soap': 'http://www.w3.org/2003/05/soap-envelope'}
 
@@ -31,63 +31,35 @@ class Comunicacao(object):
         self.cert = cert
         self.key = key
 
-    def _get_client(self, base_url):
-        cache_location = '/tmp/suds'
-        cache = suds.cache.DocumentCache(location=cache_location)
-
-        f = open('/tmp/suds/cert_nfe.cer', 'w')
-        f.write(self.cert)
-        f.close()
-        f = open('/tmp/suds/key_nfe.cer', 'w')
-        f.write(self.key)
-        f.close()
-        session = requests.Session()
-        session.verify = False
-        session.cert = ('/tmp/suds/cert_nfe.cer',
-                        '/tmp/suds/key_nfe.cer')
-
-        return suds.client.Client(
-            base_url,
-            cache=cache,
-            transport=suds_requests.RequestsTransport(session)
-        )
-
     def _soap_xml(self, body):
-        xml = '''<?xml version="1.0" encoding="utf-8"?>
-<soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope">
-<soap:Header>
-<nfeCabecMsg xmlns="http://www.portalfiscal.inf.br/nfe/wsdl/'''
-        xml += self.metodo
-        xml += '''"><cUF>42</cUF><versaoDados>2.00</versaoDados>
-</nfeCabecMsg>
-</soap:Header>
-<soap:Body>
-<nfeDadosMsg xmlns="http://www.portalfiscal.inf.br/nfe/wsdl/'''
-        xml += self.metodo + '">' + body
-        xml += '</nfeDadosMsg></soap:Body></soap:Envelope>'
+        xml = '<?xml version="1.0" encoding="utf-8"?>'
+        xml += '<soap12:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap12="http://www.w3.org/2003/05/soap-envelope"><soap12:Header>'
+        xml += '<nfeCabecMsg xmlns="http://www.portalfiscal.inf.br/nfe/wsdl/NfeAutorizacao">'
+        xml += '<cUF>43</cUF><versaoDados>3.10</versaoDados></nfeCabecMsg></soap12:Header><soap12:Body>'
+        xml += '<nfeDadosMsg xmlns="http://www.portalfiscal.inf.br/nfe/wsdl/NfeAutorizacao">'
+        xml += body
+        xml += '</nfeDadosMsg></soap12:Body></soap12:Envelope>'
+        return xml.rstrip('\n')
 
     def _preparar_temp_pem(self):
-        chave_temp = '/tmp/' + uuid4().hex
-        certificado_temp = '/tmp/' + uuid4().hex
+        cert_path = '/tmp/' + uuid4().hex
+        key_path = '/tmp/' + uuid4().hex
         
-        chave, certificado = converte_pfx_pem(self.certificado, self.senha)
-        arq_temp = open(chave_temp, 'w')
-        arq_temp.write(chave)
+        arq_temp = open(cert_path, 'w')
+        arq_temp.write(self.cert)
         arq_temp.close()
 
-        arq_temp = open(certificado_temp, 'w')
-        arq_temp.write(certificado)
+        arq_temp = open(key_path, 'w')
+        arq_temp.write(self.key)
         arq_temp.close()
 
-        return chave_temp, certificado_temp
+        return cert_path, key_path
 
     def _validar_dados(self):
         assert self.url != '', "Url servidor não configurada"
         assert self.web_service != '', "Web service não especificado"
-        assert self.certificado != '', "Certificado não configurado"
-        assert self.senha != '', "Senha não configurada"
         assert self.metodo != '', "Método não configurado"
-        assert self.tag_retorno != '', "Tag de retorno não configurado"
+       
 
     def _validar_nfe(self, obj):
         if not isinstance(obj, dict):
@@ -95,20 +67,10 @@ class Comunicacao(object):
 
     def _executar_consulta(self, xmlEnviar):
         self._validar_dados()
-        # chave, certificado = self._preparar_temp_pem()
+        cert_path, key_path = self._preparar_temp_pem()
 
-        client = HttpClient(self.url, self.certificado, self.senha)
+        client = HttpClient(self.url, cert_path, key_path)
         soap_xml = self._soap_xml(xmlEnviar)
         xml_retorno = client.post_xml(self.web_service, soap_xml)
         
-        dom = parseString(xml_retorno)
-        nodes = dom.getElementsByTagNameNS(common_namespaces['soap'], 'Fault')
-        if len(nodes) > 0:
-            return nodes[0].toxml(), None
-
-        nodes = dom.getElementsByTagName(self.tag_retorno)
-        if len(nodes) > 0:
-            obj = objectify.fromstring(nodes[0].toxml())
-            return nodes[0].toxml(), obj
-
-        return xml_retorno, objectify.fromstring(xml_retorno)
+        return sanitize_response(xml_retorno)

pytrustnfe/servicos/nfe_autorizacao.py

@@ -4,6 +4,7 @@ Created on 21/06/2015
 
 @author: danimar
 '''
+import os
 from lxml import etree
 from suds.sax.element import Element
 from suds.sax.text import Raw
@@ -20,30 +21,21 @@ class NfeAutorizacao(Comunicacao):
         Comunicacao.__init__(self, cert, key)
 
     def autorizar_nfe(self, nfe, id):        
-        self._validar_nfe(nfe)
-        xml = render_xml('nfeEnv.xml', **nfe)
-
-        xml_signed = assinar(xml, self.cert, self.key, '#%s' % id)
-
-        client = self._get_client(
-            'https://nfe-homologacao.sefazrs.rs.gov.br/ws/NfeAutorizacao/NFeAutorizacao.asmx?wsdl')
-
-        cabecalho = client.factory.create('nfeCabecMsg')
-        cabecalho.cUF = '43'
-        cabecalho.versaoDados = '3.10'
-        client.set_options(soapheaders=cabecalho)
+        self.url = 'nfe-homologacao.sefazrs.rs.gov.br'
+        self.web_service = '/ws/NfeAutorizacao/NFeAutorizacao.asmx'
+        self.metodo = 'nfeAutorizacaoLote'
         
-        p = Parser()
-        import ipdb; ipdb.set_trace()
-        resposta = client.service.nfeAutorizacaoLote(
-            p.parse(string=xml_signed).root())
-
-        print client.last_sent()
-        print client.last_received()
-
-        consulta_recibo = utils.gerar_consulta_recibo(resposta)
-
-        client = self._get_client(
-            'https://nfe-homologacao.sefazrs.rs.gov.br/ws/NfeRetAutorizacao/NFeRetAutorizacao.asmx'
-        )
-        return client.service.nfeRetAutorizacao(consulta_recibo)
+        self._validar_nfe(nfe)
+        path = os.path.join(os.path.dirname(os.path.dirname(__file__)), 'xml')        
+        xml = render_xml(path, 'nfeEnv.xml', **nfe)
+
+        #xmlElem = etree.fromstring(xml) TODO Assinar
+        #xml_signed = assinar(xmlElem, self.cert, self.key, '#%s' % id)
+        print xml
+        xml_response, obj = self._executar_consulta(xml)
+        
+        return {
+            'sent_xml': xml,
+            'received_xml': xml_response,
+            'object': obj.Body.nfeAutorizacaoLoteResult
+        }