(Delphi ActiveX) Create SOAP with multiple VeriFactu Digitally Signed Registration Records

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Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
xml: TChilkatXml;
sbXml: TChilkatStringBuilder;
sbSignedSoap: TChilkatStringBuilder;

begin
success := 0;

success := 1;

// Begin with the following SOAP XML:

// <?xml version="1.0" encoding="utf-8"?>
// <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:sum="https://www2.agenciatributaria.gob.es/static_files/common/internet/dep/aplicaciones/es/aeat/tike/cont/ws/SuministroLR.xsd" xmlns:sum1="https://www2.agenciatributaria.gob.es/static_files/common/internet/dep/aplicaciones/es/aeat/tike/cont/ws/SuministroInformacion.xsd" xmlns:xd="http://www.w3.org/2000/09/xmldsig#">
//     <soapenv:Header/>
//     <soapenv:Body>
//         <sum:RegFactuSistemaFacturacion>
//             <sum:Cabecera>
//                 <sum1:ObligadoEmision>
//                     <sum1:NombreRazon>XYZ STORE SL</sum1:NombreRazon>
//                     <sum1:NIF>B99999999</sum1:NIF>
//                 </sum1:ObligadoEmision>
//                 <sum1:RemisionRequerimiento>
//                     <sum1:RefRequerimiento>3333333333</sum1:RefRequerimiento>
//                     <sum1:FinRequerimiento>S</sum1:FinRequerimiento>
//                 </sum1:RemisionRequerimiento>
//             </sum:Cabecera>
// 
//         </sum:RegFactuSistemaFacturacion>
//     </soapenv:Body>
// </soapenv:Envelope>

xml := TChilkatXml.Create(Self);
xml.Tag := 'soapenv:Envelope';
xml.AddAttribute('xmlns:soapenv','http://schemas.xmlsoap.org/soap/envelope/');
xml.AddAttribute('xmlns:sum','https://www2.agenciatributaria.gob.es/static_files/common/internet/dep/aplicaciones/es/aeat/tike/cont/ws/SuministroLR.xsd');
xml.AddAttribute('xmlns:sum1','https://www2.agenciatributaria.gob.es/static_files/common/internet/dep/aplicaciones/es/aeat/tike/cont/ws/SuministroInformacion.xsd');
xml.AddAttribute('xmlns:xd','http://www.w3.org/2000/09/xmldsig#');
xml.UpdateChildContent('soapenv:Header','');
xml.UpdateChildContent('soapenv:Body|sum:RegFactuSistemaFacturacion|sum:Cabecera|sum1:ObligadoEmision|sum1:NombreRazon','XYZ STORE SL');
xml.UpdateChildContent('soapenv:Body|sum:RegFactuSistemaFacturacion|sum:Cabecera|sum1:ObligadoEmision|sum1:NIF','B99999999');
xml.UpdateChildContent('soapenv:Body|sum:RegFactuSistemaFacturacion|sum:Cabecera|sum1:RemisionRequerimiento|sum1:RefRequerimiento','3333333333');
xml.UpdateChildContent('soapenv:Body|sum:RegFactuSistemaFacturacion|sum:Cabecera|sum1:RemisionRequerimiento|sum1:FinRequerimiento','S');

// Prior to this code, we created N signed SOAP messages, each containing a single signed record.
// Load each of these signed SOAP messages into a StringBuilder and insert after the "</sum:Cabecera>"
// Note: We must NOT use Chilkat.Xml for this.  We must do string operations using Chilkat StringBuilder to prevent whitespace or formatting modifications which would break the signatures.

sbXml := TChilkatStringBuilder.Create(Self);
xml.GetXmlSb(sbXml.ControlInterface);

// ---------------------------------------------------------------------------------------------
// Load the previously signed XML containing just one signed record.
sbSignedSoap := TChilkatStringBuilder.Create(Self);
success := sbSignedSoap.LoadFile('c:/temp/qa_output/signedSoapXml1.xml','utf-8');
if (success = 0) then
  begin
    Memo1.Lines.Add(sbSignedSoap.LastErrorText);
    Exit;
  end;

// Remove everything before "</sum:Cabecera>", including the "</sum:Cabecera>"
sbSignedSoap.RemoveBefore('</sum:Cabecera>');

// Remove everything after the "</sum:RegFactuSistemaFacturacion>", including the "</sum:RegFactuSistemaFacturacion>"
sbSignedSoap.RemoveAfterFinal('</sum:RegFactuSistemaFacturacion>');

// We now have the portion of the signed SOAP xml from <sum:RegistroFactura> to </sum:RegistroFactura>
// Insert it after the </sum:Cabecera>
sbSignedSoap.Prepend('</sum:Cabecera>');
sbXml.ReplaceFirst('</sum:Cabecera>',sbSignedSoap.GetAsString());

// ---------------------------------------------------------------------------------------------
// Add the next signed SOAP containing a single signed record.
success := sbSignedSoap.LoadFile('c:/temp/qa_output/signedSoapXml2.xml','utf-8');
if (success = 0) then
  begin
    Memo1.Lines.Add(sbSignedSoap.LastErrorText);
    Exit;
  end;

// Remove everything before "</sum:Cabecera>", including the "</sum:Cabecera>"
sbSignedSoap.RemoveBefore('</sum:Cabecera>');

// Remove everything after the "</sum:RegFactuSistemaFacturacion>", including the "</sum:RegFactuSistemaFacturacion>"
sbSignedSoap.RemoveAfterFinal('</sum:RegFactuSistemaFacturacion>');

// We now have the portion of the signed SOAP xml from <sum:RegistroFactura> to </sum:RegistroFactura>
// Insert it after the </sum:Cabecera>
sbSignedSoap.Prepend('</sum:Cabecera>');
sbXml.ReplaceFirst('</sum:Cabecera>',sbSignedSoap.GetAsString());

// ---------------------------------------------------------------------------------------------
// Continue adding more signed records if needed.

// Save the SOAP containing multiple signed records..
sbXml.WriteFile('c:/temp/qa_output/soap_combined.xml','utf-8',0);
end;