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(PowerBuilder) 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.
integer li_rc oleobject loo_Gen oleobject loo_Cert integer li_Success oleobject loo_Xml oleobject loo_SbXml oleobject loo_SbExisting integer li_NumReplaced // 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> loo_Gen = create oleobject // Use "Chilkat_9_5_0.XmlDSigGen" for versions of Chilkat < 10.0.0 li_rc = loo_Gen.ConnectToNewObject("Chilkat.XmlDSigGen") if li_rc < 0 then destroy loo_Gen MessageBox("Error","Connecting to COM object failed") return end if loo_Gen.SigLocation = "EnvioDTE" loo_Gen.SigLocationMod = 0 loo_Gen.SigNamespacePrefix = "" loo_Gen.SigNamespaceUri = "http://www.w3.org/2000/09/xmldsig#" loo_Gen.SignedInfoCanonAlg = "C14N" loo_Gen.SignedInfoDigestMethod = "sha1" // -------- Reference 1 -------- loo_Gen.AddSameDocRef("NDTECHILE","sha1","","","") // Provide a certificate + private key. (PFX password is test123) loo_Cert = create oleobject // Use "Chilkat_9_5_0.Cert" for versions of Chilkat < 10.0.0 li_rc = loo_Cert.ConnectToNewObject("Chilkat.Cert") li_Success = loo_Cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123") if li_Success <> 1 then Write-Debug loo_Cert.LastErrorText destroy loo_Gen destroy loo_Cert return end if loo_Gen.SetX509Cert(loo_Cert,1) loo_Gen.KeyInfoType = "X509Data+KeyValue" loo_Gen.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> loo_Xml = create oleobject // Use "Chilkat_9_5_0.Xml" for versions of Chilkat < 10.0.0 li_rc = loo_Xml.ConnectToNewObject("Chilkat.Xml") loo_Xml.Tag = "EnvioDTE" loo_Xml.AddAttribute("version","1.0") loo_Xml.AddAttribute("xmlns","http://www.sii.cl/SiiDte") loo_Xml.AddAttribute("xmlns:xsi","http://www.w3.org/2001/XMLSchema-instance") loo_Xml.AddAttribute("xsi:schemaLocation","http://www.sii.cl/SiiDte EnvioDTE_v10.xsd") loo_Xml.UpdateAttrAt("SetDTE",1,"ID","NDTECHILE") loo_Xml.UpdateAttrAt("SetDTE|Caratula",1,"version","1.0") loo_Xml.UpdateChildContent("SetDTE|Caratula|RutEmisor","...") loo_Xml.UpdateChildContent("SetDTE|Caratula|RutEnvia","...") loo_Xml.UpdateChildContent("SetDTE|Caratula|RutReceptor","...") loo_Xml.UpdateChildContent("SetDTE|Caratula|FchResol","2014-08-22") loo_Xml.UpdateChildContent("SetDTE|Caratula|NroResol","80") loo_Xml.UpdateChildContent("SetDTE|Caratula|TmstFirmaEnv","2020-07-17T13:19:10") loo_Xml.UpdateChildContent("SetDTE|Caratula|SubTotDTE|TpoDTE","34") loo_Xml.UpdateChildContent("SetDTE|Caratula|SubTotDTE|NroDTE","1") loo_Xml.UpdateChildContent("SetDTE|EXISTING_SIGNED_XML","HERE") loo_SbXml = create oleobject // Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0 li_rc = loo_SbXml.ConnectToNewObject("Chilkat.StringBuilder") loo_Xml.GetXmlSb(loo_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. loo_SbExisting = create oleobject // Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0 li_rc = loo_SbExisting.ConnectToNewObject("Chilkat.StringBuilder") loo_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). li_NumReplaced = loo_SbExisting.Replace("<?xml version=~"1.0~" encoding=~"iso-8859-1~"?>","") loo_SbExisting.Trim() // Insert the existing signed XML into the new XML document to be signed. li_NumReplaced = loo_SbXml.Replace("<EXISTING_SIGNED_XML>HERE</EXISTING_SIGNED_XML>",loo_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. loo_Gen.Behaviors = "IndentedSignature,SignExistingSignatures" // Sign the XML... li_Success = loo_Gen.CreateXmlDSigSb(loo_SbXml) if li_Success <> 1 then Write-Debug loo_Gen.LastErrorText destroy loo_Gen destroy loo_Cert destroy loo_Xml destroy loo_SbXml destroy loo_SbExisting return end if // ----------------------------------------------- // Change the XML declarator to indicate iso-8859-1 (because we'll be saving using iso-8859-1) li_NumReplaced = loo_SbXml.Replace("encoding=~"utf-8~"?>","encoding=~"iso-8859-1~"?>") // Save the signed XML to a file. li_Success = loo_SbXml.WriteFile("qa_data/xml_dsig/sii_cl/signed2.xml","iso-8859-1",0) Write-Debug loo_SbXml.GetAsString() destroy loo_Gen destroy loo_Cert destroy loo_Xml destroy loo_SbXml destroy loo_SbExisting |
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