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(Ruby) Apply 2nd Signature to sii.cl Factura Electrónica (Chile Servicio de Impuestos Internos)Demonstrates how to apply the 2nd signature an XML invoice according to Chilean Internal Revenue Service regulations.
require 'chilkat' # This example assumes the Chilkat API to have been previously unlocked. # See Global Unlock Sample for sample code. # In this example: Create sii.cl Factura Electr�nica (Chile Servicio de Impuestos Internos) # We signed XML structured like this: # <?xml version="1.0" encoding="iso-8859-1"?> # <DTE version="1.0" xmlns="http://www.sii.cl/SiiDte"> # <Documento ID="F11T22"> # ... # </Documento> # </DTE> # To get a signature like this: # <?xml version="1.0" encoding="iso-8859-1"?> # <DTE version="1.0" xmlns="http://www.sii.cl/SiiDte"> # <Documento ID="F11T22"> # ... # </Documento> # <Signature xmlns="http://www.w3.org/2000/09/xmldsig#"> # .. # </Signature> # </DTE> # Now we wish to wrap the result of the 1st example in the following and sign again: # <?xml version="1.0" encoding="iso-8859-1"?> # <EnvioDTE version="1.0" xmlns="http://www.sii.cl/SiiDte" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sii.cl/SiiDte EnvioDTE_v10.xsd"> # <SetDTE ID="NDTECHILE"> # <Caratula version="1.0"> # <RutEmisor>...</RutEmisor> # <RutEnvia>...</RutEnvia> # <RutReceptor>...</RutReceptor> # <FchResol>2014-08-22</FchResol> # <NroResol>80</NroResol> # <TmstFirmaEnv>2020-07-17T13:19:10</TmstFirmaEnv> # <SubTotDTE> # <TpoDTE>34</TpoDTE> # <NroDTE>1</NroDTE> # </SubTotDTE> # </Caratula> # <DTE version="1.0" xmlns="http://www.sii.cl/SiiDte"> # <Documento ID="F11T22">...</Documento> # <Signature xmlns="http://www.w3.org/2000/09/xmldsig#">..</Signature> # </DTE> # </SetDTE> # </EnvioDTE> # The result will be this: # <?xml version="1.0" encoding="iso-8859-1"?> # <EnvioDTE version="1.0" xmlns="http://www.sii.cl/SiiDte" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sii.cl/SiiDte EnvioDTE_v10.xsd"> # <SetDTE ID="NDTECHILE"> # <Caratula version="1.0"> # <RutEmisor>...</RutEmisor> # <RutEnvia>...</RutEnvia> # <RutReceptor>...</RutReceptor> # <FchResol>2014-08-22</FchResol> # <NroResol>80</NroResol> # <TmstFirmaEnv>2020-07-17T13:19:10</TmstFirmaEnv> # <SubTotDTE> # <TpoDTE>34</TpoDTE> # <NroDTE>1</NroDTE> # </SubTotDTE> # </Caratula> # <DTE version="1.0" xmlns="http://www.sii.cl/SiiDte"> # <Documento ID="F11T22">...</Documento> # <Signature xmlns="http://www.w3.org/2000/09/xmldsig#">..</Signature> # </DTE> # </SetDTE> # <Signature xmlns="http://www.w3.org/2000/09/xmldsig#">..</Signature> # </EnvioDTE> gen = Chilkat::CkXmlDSigGen.new() gen.put_SigLocation("EnvioDTE") gen.put_SigLocationMod(0) gen.put_SigNamespacePrefix("") gen.put_SigNamespaceUri("http://www.w3.org/2000/09/xmldsig#") gen.put_SignedInfoCanonAlg("C14N") gen.put_SignedInfoDigestMethod("sha1") # -------- Reference 1 -------- gen.AddSameDocRef("NDTECHILE","sha1","","","") # Provide a certificate + private key. (PFX password is test123) cert = Chilkat::CkCert.new() success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123") if (success != true) print cert.lastErrorText() + "\n"; exit end gen.SetX509Cert(cert,true) gen.put_KeyInfoType("X509Data+KeyValue") gen.put_X509Type("Certificate") # Here's the part where we must be very careful not to disturb the existing signature. # We want to encapsulate the existing signed XML like this: # <?xml version="1.0" encoding="iso-8859-1"?> # <EnvioDTE version="1.0" xmlns="http://www.sii.cl/SiiDte" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sii.cl/SiiDte EnvioDTE_v10.xsd"> # <SetDTE ID="NDTECHILE"> # <Caratula version="1.0"> # <RutEmisor>...</RutEmisor> # <RutEnvia>...</RutEnvia> # <RutReceptor>...</RutReceptor> # <FchResol>2014-08-22</FchResol> # <NroResol>80</NroResol> # <TmstFirmaEnv>2020-07-17T13:19:10</TmstFirmaEnv> # <SubTotDTE> # <TpoDTE>34</TpoDTE> # <NroDTE>1</NroDTE> # </SubTotDTE> # </Caratula> # <EXISTING_SIGNED_XML>HERE</EXISTING_SIGNED_XML> # </SetDTE> # <Signature xmlns="http://www.w3.org/2000/09/xmldsig#">..</Signature> # </EnvioDTE> xml = Chilkat::CkXml.new() xml.put_Tag("EnvioDTE") xml.AddAttribute("version","1.0") xml.AddAttribute("xmlns","http://www.sii.cl/SiiDte") xml.AddAttribute("xmlns:xsi","http://www.w3.org/2001/XMLSchema-instance") xml.AddAttribute("xsi:schemaLocation","http://www.sii.cl/SiiDte EnvioDTE_v10.xsd") xml.UpdateAttrAt("SetDTE",true,"ID","NDTECHILE") xml.UpdateAttrAt("SetDTE|Caratula",true,"version","1.0") xml.UpdateChildContent("SetDTE|Caratula|RutEmisor","...") xml.UpdateChildContent("SetDTE|Caratula|RutEnvia","...") xml.UpdateChildContent("SetDTE|Caratula|RutReceptor","...") xml.UpdateChildContent("SetDTE|Caratula|FchResol","2014-08-22") xml.UpdateChildContent("SetDTE|Caratula|NroResol","80") xml.UpdateChildContent("SetDTE|Caratula|TmstFirmaEnv","2020-07-17T13:19:10") xml.UpdateChildContent("SetDTE|Caratula|SubTotDTE|TpoDTE","34") xml.UpdateChildContent("SetDTE|Caratula|SubTotDTE|NroDTE","1") xml.UpdateChildContent("SetDTE|EXISTING_SIGNED_XML","HERE") sbXml = Chilkat::CkStringBuilder.new() xml.GetXmlSb(sbXml) # Load our existing signed XML. # We cannot load it into a Chilkat XML object because we cannot allow anything to change, # not even indentation or whitespace. sbExisting = Chilkat::CkStringBuilder.new() sbExisting.LoadFile("qa_data/xml_dsig/sii_cl/signed1.xml","iso-8859-1") # However, we must remove the XML declarator, and we can trim the whitespace at the very front and back (i.e. whitespace completely outside the document). numReplaced = sbExisting.Replace("<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>","") sbExisting.Trim() # Insert the existing signed XML into the new XML document to be signed. numReplaced = sbXml.Replace("<EXISTING_SIGNED_XML>HERE</EXISTING_SIGNED_XML>",sbExisting.getAsString()) # We now have the XML document ready for the 2nd signature to be applied... # Make sure we add the "SignExistingSignatures" behavior so that this signature includes the original signature in the digest. gen.put_Behaviors("IndentedSignature,SignExistingSignatures") # Sign the XML... success = gen.CreateXmlDSigSb(sbXml) if (success != true) print gen.lastErrorText() + "\n"; exit end # ----------------------------------------------- # Change the XML declarator to indicate iso-8859-1 (because we'll be saving using iso-8859-1) numReplaced = sbXml.Replace("encoding=\"utf-8\"?>","encoding=\"iso-8859-1\"?>") # Save the signed XML to a file. success = sbXml.WriteFile("qa_data/xml_dsig/sii_cl/signed2.xml","iso-8859-1",false) print sbXml.getAsString() + "\n"; |
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